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       # MICROCOM, INC.
       
          TRAVELPORTE FAST
       
          Card Type              Modem(synchronous/asynchronous)         
          Chip Set               Unidentified                            
          Maximum Data Rate      28.8Kbps                                
          Maximum Fax Rate       14.4Kbps                                
          Data Bus               External                                
          Fax Class              Unidentified                            
          Data Modulation        Bell 103A/212A                          
          Protocol                                                       
                                 ITU-T V.21, V.22, V.22bis, V.23, V.32,  
                                 V.32bis, v.FAST                         
          Fax Modulation         Unidentified                            
          Protocol               
          Error                  MNP5, MNP10, V.42, V.42bis              
          Correction/Compression 
       
   IMG IMG 1
          
       
          +------------------------------------------------------------+
          |                        CONNECTIONS                         |
          |------------------------------------------------------------|
          |     Function     |   Label   |    Function     |   Label   |
          |------------------------------------------------------------|
          | Line in                  |   CN1   | 25-Pin parallel | CN4 |
          |                          |         | port            |     |
          |--------------------------+---------+-----------------+-----|
          | Line out                 |   CN2   | DC power        | CN5 |
          |--------------------------+---------+-----------------+-----|
          | 9-Pin mini-DIN connector |   CN3   | Power switch    | SW1 |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                     DIAGNOSTIC LED(S)                      |
          |------------------------------------------------------------|
          | LED | Color | Status |              Condition              |
          |-----+-------+--------+-------------------------------------|
          | PWR | Green |   On   |             Power is on             |
          |-----+-------+--------+-------------------------------------|
          | PWR | Green |  Off   |            Power is off             |
          |-----+-------+--------+-------------------------------------|
          | DTR |  Red  |   On   |         DTR signal is high          |
          |-----+-------+--------+-------------------------------------|
          | DTR |  Red  |  Off   |          DTR signal is low          |
          |-----+-------+--------+-------------------------------------|
          | OH  |  Red  |   On   |          Modem is off hook          |
          |-----+-------+--------+-------------------------------------|
          | OH  |  Red  |  Off   |          Modem is on hook           |
          |-----+-------+--------+-------------------------------------|
          | DCD | Green |   On   |       Carrier signal detected       |
          |-----+-------+--------+-------------------------------------|
          | DCD | Green |  Off   |     Carrier signal not detected     |
          |-----+-------+--------+-------------------------------------|
          | EC  |  Red  |   On   |  Modem is in error correction mode  |
          |-----+-------+--------+-------------------------------------|
          | EC  |  Red  |  Off   |  Modem is not in error correction   |
          |     |       |        |                mode                 |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |       DIAGNOSTIC LED(S) POWER-UP DIAGNOSTIC TESTING        |
          |------------------------------------------------------------|
          |      CD       |      EC      |          Condition          |
          |---------------+--------------+-----------------------------|
          |      Off      |      On      |     Test of RAM failed      |
          |---------------+--------------+-----------------------------|
          |      On       |     Off      |      Component failure      |
          |---------------+--------------+-----------------------------|
          |      On       |      On      |     Test of CPU failed      |
          |---------------+--------------+-----------------------------|
          |   3 Blinks    |     Off      |      All tests passed       |
          +------------------------------------------------------------+
       
         +----------------------------------------------------------------+
         |                 DIAGNOSTIC LED(S) SPEED (bps)                  |
         |----------------------------------------------------------------|
         |  LED  | Status |  1  |  2   |  3   |  4   |  5   |  6   |  7   |
         |       |        |Blink|Blinks|Blinks|Blinks|Blinks|Blinks|Blinks|
         |-------+--------+-----+------+------+------+------+------+------|
         |V.22bis|Blinking|1200 | 2400 |      |      |      |      |      |
         |-------+--------+-----+------+------+------+------+------+------|
         |V.32bis|Blinking|4800 | 7200 | 9600 |12000 |144000|      |      |
         |-------+--------+-----+------+------+------+------+------+------|
         |V.fast |Blinking|14400|16800 |19200 |21600 |24000 |26400 |28800 |
         +----------------------------------------------------------------+
       
                            Proprietary AT Command Set
       
          +------------------------------------------------------------+
          |           Auto-answer auto-logon sequence select           |
          |------------------------------------------------------------|
          | Type:        | Configuration                               |
          |--------------+---------------------------------------------|
          | Format:      | AT [cmds] $An [cmds]                        |
          |--------------+---------------------------------------------|
          | Description: | Sets whether auto-answer auto-logon         |
          |              | sequence are used                           |
          |------------------------------------------------------------|
          |    Command    |                  Function                  |
          |---------------+--------------------------------------------|
          |     í $A0     | Auto-answer auto-logon disabled            |
          |---------------+--------------------------------------------|
          |      $Ax      | Auto-answer auto-logon enabled for the     |
          |               | sequence x, where x has a range of 1-9 and |
          |               | the sequence must first be set using the   |
          |               | $L command                                 |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |              automatic shut-down auto saving               |
          |------------------------------------------------------------|
          | Type:        | Configuration                               |
          |--------------+---------------------------------------------|
          | Format:      | AT [cmds] )Zn [cmds]                        |
          |--------------+---------------------------------------------|
          | Description: | Sets whether the modem saves configurations |
          |              | before it automatically shuts down          |
          |------------------------------------------------------------|
          |    Command     |                 Function                  |
          |----------------+-------------------------------------------|
          |      )Z0       | Auto saving disabled                      |
          |----------------+-------------------------------------------|
          |      )Z1       | Auto saving enabled (*W function enacted  |
          |                | 5 seconds prior to shut-down)             |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                  BIT-MAPPED REGISTER S22                   |
          |------------------------------------------------------------|
          | Format       | AT [cmds] S22=n [cmds]                      |
          |--------------+---------------------------------------------|
          | Default:     | Unidentified                                |
          |--------------+---------------------------------------------|
          | Range:       | 0-255                                       |
          |--------------+---------------------------------------------|
          | Unit:        | Bit-mapped                                  |
          |--------------+---------------------------------------------|
          | Description: | Controls speaker volume and controls,       |
          |              | results codes, and pulse dial make/break    |
          |              | ratio.                                      |
          |--------------+---------------------------------------------|
          | Bit  | Value |                  Function                   |
          |------+-------+---------------------------------------------|
          | 1, 0 |       | Not used                                    |
          |------+-------+---------------------------------------------|
          | 3, 2 |    00 | Speaker off                                 |
          |      |       |                                             |
          |      |    01 | Speaker off on carrier                      |
          |      |       |                                             |
          |      |    10 | Speaker always on                           |
          |      |       |                                             |
          |      |    11 | Speaker on during handshake                 |
          |------+-------+---------------------------------------------|
          | 6 -  |   000 | Busy and dial tone detection disabled;      |
          |  4   |       | result codes 0 - 4 enabled                  |
          |      |   100 |                                             |
          |      |       | Busy and dial tone detection disabled;      |
          |      |   101 | result codes 0 - 5 & 10 enabled             |
          |      |       |                                             |
          |      |   110 | Busy tone detection disabled, dial tone     |
          |      |       | detection enabled; result codes 0 - 6 & 10  |
          |      |   111 | enabled                                     |
          |      |       |                                             |
          |      |       | Busy tone detection enabled, dial tone      |
          |      |       | detection disabled; result codes 0 - 5, 7 & |
          |      |       | 10 enabled                                  |
          |      |       |                                             |
          |      |       | Busy and dial tone detection enabled;       |
          |      |       | result codes 0 - 7 & 10 enabled             |
          |------+-------+---------------------------------------------|
          |  7   |     0 | 39/61ms at 10pps (North America)            |
          |      |       |                                             |
          |      |     1 | 33/67ms at 10pps (Europe)                   |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                  BIT-MAPPED REGISTER S23                   |
          |------------------------------------------------------------|
          | Format       | AT [cmds] S23=n [cmds]                      |
          |--------------+---------------------------------------------|
          | Default:     | Unidentified                                |
          |--------------+---------------------------------------------|
          | Range:       | 0-189                                       |
          |--------------+---------------------------------------------|
          | Unit:        | Bit-mapped                                  |
          |--------------+---------------------------------------------|
          | Description: | Grants/denies remote digital loopback,      |
          |              | controls DTE rate and parity, and sets      |
          |              | guard tone.                                 |
          |--------------+---------------------------------------------|
          | Bit  | Value |                  Function                   |
          |------+-------+---------------------------------------------|
          |  0   |     0 | Remote digital loopback denied              |
          |      |       |                                             |
          |      |     1 | Remote digital loopback allowed             |
          |------+-------+---------------------------------------------|
          | 3 -  |   000 | Sets serial port speed to 0-300bps          |
          |  1   |       |                                             |
          |      |   001 | Sets serial port speed to 600bps            |
          |      |       |                                             |
          |      |   010 | Sets serial port speed to 1200bps           |
          |      |       |                                             |
          |      |   011 | Sets serial port speed to 2400bps           |
          |      |       |                                             |
          |      |   100 | Sets serial port speed to 4800bps           |
          |      |       |                                             |
          |      |   101 | Sets serial port speed to 9600bps           |
          |      |       |                                             |
          |      |   110 | Sets serial port speed to 19200bps          |
          |      |       |                                             |
          |      |   111 | Sets serial port speed to 38400, 57600 and  |
          |      |       | 115200 bps                                  |
          |------+-------+---------------------------------------------|
          | 5, 4 |    00 | Parity even                                 |
          |      |       |                                             |
          |      |    01 | Space parity                                |
          |      |       |                                             |
          |      |    10 | Parity odd                                  |
          |      |       |                                             |
          |      |    11 | Mark or no parity                           |
          |------+-------+---------------------------------------------|
          | 7, 6 |    00 | Guard tone disabled                         |
          |      |       |                                             |
          |      |    01 | Guard tone disabled                         |
          |      |       |                                             |
          |      |    10 | Guard tone 1800Hz enabled                   |
          |      |       |                                             |
          |      |    11 | Not used                                    |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                  BIT-MAPPED REGISTER :T15                  |
          |------------------------------------------------------------|
          | Format       | AT [cmds] :T15=n [cmds]                     |
          |--------------+---------------------------------------------|
          | Default:     | 128                                         |
          |--------------+---------------------------------------------|
          | Range:       | 0-193                                       |
          |--------------+---------------------------------------------|
          | Unit:        | Bit-mapped                                  |
          |--------------+---------------------------------------------|
          | Description: | Sets the V.24 control                       |
          |--------------+---------------------------------------------|
          | Bit  | Value |                  Function                   |
          |------+-------+---------------------------------------------|
          |  0   |     0 | CTS not effected by direct mode retrains    |
          |      |       |                                             |
          |      |     1 | CTS lowered by direct mode retrains         |
          |------+-------+---------------------------------------------|
          | 5- 1 |       | Not used                                    |
          |------+-------+---------------------------------------------|
          |  6   |     0 | DCD enabled                                 |
          |      |       |                                             |
          |      |     1 | DCD enabled after carrier signal detected   |
          |------+-------+---------------------------------------------|
          |  7   |     0 | V.32 answer tone phase reversals disabled   |
          |      |       |                                             |
          |      |     1 | V.32 answer tone phase reversals enabled    |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                  BIT-MAPPED REGISTER :T19                  |
          |------------------------------------------------------------|
          | Format       | AT [cmds] :T19=n [cmds]                     |
          |--------------+---------------------------------------------|
          | Default:     | 1                                           |
          |--------------+---------------------------------------------|
          | Range:       | 0-1                                         |
          |--------------+---------------------------------------------|
          | Unit:        | Bit-mapped                                  |
          |--------------+---------------------------------------------|
          | Description: | Sets the link control for MNP               |
          |--------------+---------------------------------------------|
          | Bit  | Value |                  Function                   |
          |------+-------+---------------------------------------------|
          |  0   |     0 | Modem will not disconnect a non-MNP10 1200  |
          |      |       | bps connection if it does not receive MNP   |
          |      |     1 | link activity from the remote modem         |
          |      |       |                                             |
          |      |       | Modem will disconnect a non-MNP10 1200 bps  |
          |      |       | connection if it does not receive MNP link  |
          |      |       | activity from the remote modem for a period |
          |      |       | of 2 minutes                                |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                  BIT-MAPPED REGISTER :T23                  |
          |------------------------------------------------------------|
          | Format       | AT [cmds] :T23=n [cmds]                     |
          |--------------+---------------------------------------------|
          | Default:     | Unidentified                                |
          |--------------+---------------------------------------------|
          | Range:       | Unidentified                                |
          |--------------+---------------------------------------------|
          | Unit:        | Bit-mapped                                  |
          |--------------+---------------------------------------------|
          | Description: | Controls the negotiation of rate            |
          |--------------+---------------------------------------------|
          | Bit  | Value |                  Function                   |
          |------+-------+---------------------------------------------|
          | 3- 0 |       | Not used                                    |
          |------+-------+---------------------------------------------|
          |  4   |     0 | Modem examines line quality and then sets   |
          |      |       | speed during a V.32 connection              |
          |      |     1 |                                             |
          |      |       | Disabled                                    |
          |------+-------+---------------------------------------------|
          | 7- 5 |       | Not used                                    |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                  BIT-MAPPED REGISTER :T26                  |
          |------------------------------------------------------------|
          | Format       | AT [cmds] :T26=n [cmds]                     |
          |--------------+---------------------------------------------|
          | Default:     | 0                                           |
          |--------------+---------------------------------------------|
          | Range:       | 0-255                                       |
          |--------------+---------------------------------------------|
          | Unit:        | Bit-mapped                                  |
          |--------------+---------------------------------------------|
          | Description: | Used to speed up cellular connection time   |
          |--------------+---------------------------------------------|
          | Bit  | Value |                  Function                   |
          |------+-------+---------------------------------------------|
          |  0   |     0 | 2 second billing delay enabled              |
          |      |       |                                             |
          |      |     1 | 2 second billing delay disabled             |
          |------+-------+---------------------------------------------|
          |  1   |     0 | V.32 mode answer tone length normal         |
          |      |       |                                             |
          |      |     1 | V.32 mode answer tone length shortened      |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                         BREAK TYPE                         |
          |------------------------------------------------------------|
          |Type:       |Configuration                                  |
          |------------+-----------------------------------------------|
          |Format:     |AT [cmds] \Kn [cmds]                           |
          |------------+-----------------------------------------------|
          |Description:|Configures action of break signal              |
          |------------------------------------------------------------|
          |   Command   | Break from |   Modem    | Break  |   Break   |
          |             |    DTE     |receives \Bn|sent by | received  |
          |             |            | form local | local  |from remote|
          |             |            |    DTE     | modem  |   modem   |
          |-------------+------------+------------+--------+-----------|
          |     \K0     |Online      |Break sent  |Send    |Buffers    |
          |             |command mode|to remote   |break to|cleared,   |
          |             |enabled,    |modem and   |remote  |break sent |
          |             |send no     |buffered    |modem,  |to DTE     |
          |             |break to    |cleared     |modem   |           |
          |             |remote modem|            |set to  |           |
          |             |            |            |command |           |
          |             |            |            |mode    |           |
          |-------------+------------+------------+--------+-----------|
          |     \K1     |Break sent  |Break sent  |Send    |Buffers    |
          |             |to remote   |to remote   |break to|cleared,   |
          |             |modem and   |modem and   |remote  |break sent |
          |             |buffers     |buffered    |modem   |to DTE     |
          |             |cleared     |cleared     |        |           |
          |-------------+------------+------------+--------+-----------|
          |     \K2     |Online      |Send break  |Send    |Break sent |
          |             |command mode|to remote   |break to|immediately|
          |             |enabled,    |modem       |remote  |to DTE     |
          |             |send no     |immediately |modem,  |           |
          |             |break to    |            |modem   |           |
          |             |remote modem|            |set to  |           |
          |             |            |            |command |           |
          |             |            |            |mode    |           |
          |-------------+------------+------------+--------+-----------|
          |     \K3     |Send break  |Send break  |Send    |Break sent |
          |             |to remote   |to remote   |break to|immediately|
          |             |modem       |modem       |remote  |to DTE     |
          |             |immediately |immediately |modem   |           |
          |-------------+------------+------------+--------+-----------|
          |     \K4     |Online      |Send break  |Send    |Break sent |
          |             |command mode|with        |break to|with       |
          |             |enabled,    |transmitted |remote  |received   |
          |             |send no     |data        |modem,  |data to the|
          |             |break to    |            |modem   |DTE        |
          |             |remote modem|            |set to  |           |
          |             |            |            |command |           |
          |             |            |            |mode    |           |
          |-------------+------------+------------+--------+-----------|
          |     \K5     |Send break  |Send break  |Send    |Break sent |
          |             |with        |with        |break to|with       |
          |             |transmitted |transmitted |remote  |received   |
          |             |data        |data        |modem   |data to the|
          |             |            |            |        |DTE        |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                  Buffer disconnect delay                   |
          |------------------------------------------------------------|
          | Type:        | Configuration                               |
          |--------------+---------------------------------------------|
          | Format       | AT [cmds] )%Dn [cmds]                       |
          |--------------+---------------------------------------------|
          | Default:     | 0                                           |
          |--------------+---------------------------------------------|
          | Range:       | 0-255                                       |
          |--------------+---------------------------------------------|
          | Unit:        | 1 sec                                       |
          |--------------+---------------------------------------------|
          | Description: | Sets the delay within which the modem tries |
          |              | to process data within it’s transmit        |
          |              | receive buffer, before it disconnects       |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                  CLEAR TO SEND TIME DELAY                  |
          |------------------------------------------------------------|
          | Type:        | Configuration                               |
          |--------------+---------------------------------------------|
          | Format       | AT [cmds] :Vn [cmds]                        |
          |--------------+---------------------------------------------|
          | Default:     | 0                                           |
          |--------------+---------------------------------------------|
          | Range:       | 0-255                                       |
          |--------------+---------------------------------------------|
          | Unit:        | .0125 second                                |
          |--------------+---------------------------------------------|
          | Description: | Sets the time the modem waits before        |
          |              | engaging CTS (Clear To Send)                |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                  COMMUNICATION PROTOCOLS                   |
          |------------------------------------------------------------|
          | Type:        | Configuration                               |
          |--------------+---------------------------------------------|
          | Format:      | AT [cmds] Bn [cmds]                         |
          |--------------+---------------------------------------------|
          | Description: | Selects the communication protocol for data |
          |              | calls                                       |
          |------------------------------------------------------------|
          |      Note: The B command allows the simultaneous selection |
          |      of more than one suffix,                              |
          |                                                            |
          |      enabling multiple protocols.                          |
          |------------------------------------------------------------|
          |   Command    |                  Protocol                   |
          |--------------+---------------------------------------------|
          |      B0      | ITU-T V.21 and V.22 at 300 or 1200bps       |
          |--------------+---------------------------------------------|
          |      B1      | Bell 103 and 212A at 300 or 1200bps         |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                   connect message TIMER                    |
          |------------------------------------------------------------|
          | Type:        | Register                                    |
          |--------------+---------------------------------------------|
          | Format       | AT [cmds] :T14=n [cmds]                     |
          |--------------+---------------------------------------------|
          | Default:     | 0                                           |
          |--------------+---------------------------------------------|
          | Range:       | 0-255                                       |
          |--------------+---------------------------------------------|
          | Unit:        | .1 sec                                      |
          |--------------+---------------------------------------------|
          | Description: | The period of time that the modem waits     |
          |              | before or after a connect message to force  |
          |              | CTS, DSR and DCD to high                    |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                       Connect state                        |
          |------------------------------------------------------------|
          | Type:        | Immediate                                   |
          |--------------+---------------------------------------------|
          | Format:      | AT [cmds] On [cmds]                         |
          |--------------+---------------------------------------------|
          | Description: | Puts the modem into a connect state         |
          |------------------------------------------------------------|
          |    Command     |                 Function                  |
          |----------------+-------------------------------------------|
          |       O        | Begin connect state                       |
          |----------------+-------------------------------------------|
          |       O1       | Begin connect state and retrain if        |
          |                | connected at 2400bps or higher            |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |       Connection training TIMER for v.32 and v.32bis       |
          |------------------------------------------------------------|
          | Type:        | Register                                    |
          |--------------+---------------------------------------------|
          | Format       | AT [cmds] :T17=n [cmds]                     |
          |--------------+---------------------------------------------|
          | Default:     | 0                                           |
          |--------------+---------------------------------------------|
          | Range:       | 0, 5-28                                     |
          |--------------+---------------------------------------------|
          | Unit:        | Unidentified                                |
          |--------------+---------------------------------------------|
          | Description: | The period of time that the modem uses for  |
          |              | exchanging the training sequences while     |
          |              | trying to establish a V.32 or a V.32bis     |
          |              | connection                                  |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                    CTS Activation TIMER                    |
          |------------------------------------------------------------|
          | Type:        | Register                                    |
          |--------------+---------------------------------------------|
          | Format       | AT [cmds] :T16=n [cmds]                     |
          |--------------+---------------------------------------------|
          | Default:     | 0                                           |
          |--------------+---------------------------------------------|
          | Range:       | 0-255                                       |
          |--------------+---------------------------------------------|
          | Unit:        | 12.5 sec                                    |
          |--------------+---------------------------------------------|
          | Description: | When DCD and or DSR have been turned on,    |
          |              | this is the amount of time before CTS is    |
          |              | turned on                                   |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |            cts, dsr and dcd connection control             |
          |------------------------------------------------------------|
          | Type:        | Configuration                               |
          |--------------+---------------------------------------------|
          | Format:      | AT [cmds] @Cn [cmds]                        |
          |--------------+---------------------------------------------|
          | Description: | Sets when CTS,DSR and DCD go on             |
          |------------------------------------------------------------|
          |    Command    |                  Function                  |
          |---------------+--------------------------------------------|
          |     í @C0     | CTS,DSR and DCD forced high after connect  |
          |               | message is sent                            |
          |---------------+--------------------------------------------|
          |      @C1      | CTS,DSR and DCD forced high before connect |
          |               | message is sent                            |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                    data carrier detect                     |
          |------------------------------------------------------------|
          | Type:        | Configuration                               |
          |--------------+---------------------------------------------|
          | Format:      | AT [cmds] &Cn [cmds]                        |
          |--------------+---------------------------------------------|
          | Description: | Selects data carrier detect mode            |
          |--------------+---------------------------------------------|
          |   Command    |                  Function                   |
          |--------------+---------------------------------------------|
          |     &C0      | DCD forced high                             |
          |--------------+---------------------------------------------|
          |     &C1      | DCD follows the state of the remote system, |
          |              | with DCD forced high after connect message  |
          |--------------+---------------------------------------------|
          |     &C2      | DCD forced high except during at disconnect |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                 DATA SEND READY TIME DELAY                 |
          |------------------------------------------------------------|
          | Type:        | Configuration                               |
          |--------------+---------------------------------------------|
          | Format       | AT [cmds] :Xn [cmds]                        |
          |--------------+---------------------------------------------|
          | Default:     | 0                                           |
          |--------------+---------------------------------------------|
          | Range:       | 0-255                                       |
          |--------------+---------------------------------------------|
          | Unit:        | .0125 second                                |
          |--------------+---------------------------------------------|
          | Description: | Sets the time the modem waits before        |
          |              | engaging data send ready                    |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                         DCD delay                          |
          |------------------------------------------------------------|
          | Type:        | Configuration                               |
          |--------------+---------------------------------------------|
          | Format       | AT [cmds] :Un [cmds]                        |
          |--------------+---------------------------------------------|
          | Range:       | 0-255                                       |
          |--------------+---------------------------------------------|
          | Unit;        | .0125 sec                                   |
          |--------------+---------------------------------------------|
          | Description: | Sets the delay before the modem switches    |
          |              | DCD on                                      |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                  DCD turn on delay TIMER                   |
          |------------------------------------------------------------|
          | Type:        | Register                                    |
          |--------------+---------------------------------------------|
          | Format       | AT [cmds] :T6=n [cmds]                      |
          |--------------+---------------------------------------------|
          | Default:     | 200                                         |
          |--------------+---------------------------------------------|
          | Range:       | 0-255                                       |
          |--------------+---------------------------------------------|
          | Unit:        | .001sec                                     |
          |--------------+---------------------------------------------|
          | Description: | In normal mode V.23 half duplex             |
          |              | connections, this is the period of time     |
          |              | that the modem waits after the carrier has  |
          |              | been turned on, before it begins to look    |
          |              | for data                                    |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                            DIAL                            |
          |------------------------------------------------------------|
          | Type:        | Immediate                                   |
          |--------------+---------------------------------------------|
          | Format:      | AT [cmds] D<#> [cmds]                       |
          |--------------+---------------------------------------------|
          | Description: | Dials telephone number according to any     |
          |              | modifiers included in the string            |
          |--------------+---------------------------------------------|
          | Note:        | Any combination of modifiers can be used to |
          |              | produce the desired dial functions in       |
          |              | sequence.                                   |
          |--------------+---------------------------------------------|
          |   Command    |                  Function                   |
          |--------------+---------------------------------------------|
          |      DL      | Re-dial last number                         |
          |--------------+---------------------------------------------|
          |      DP      | Pulse dialing enabled                       |
          |--------------+---------------------------------------------|
          |      DR      | Answer mode enabled; originate mode         |
          |              | disabled following handshake initiation.    |
          |--------------+---------------------------------------------|
          |     DS=n     | Dial stored telephone number n              |
          |--------------+---------------------------------------------|
          |      DT      | Tone dialing enabled/Pulse dialing disabled |
          |--------------+---------------------------------------------|
          |      DW      | Dialing resumed following dial tone         |
          |              | detection                                   |
          |--------------+---------------------------------------------|
          |      D!      | Flash function initiated. Modem commanded   |
          |              | to go off-hook for specified time before    |
          |              | returning on-hook.                          |
          |--------------+---------------------------------------------|
          |      D@      | Wait for Quiet Answer function enabled.     |
          |              | Modem waits until a "quiet answer," a       |
          |              | ring-back signal followed by silence up to  |
          |              | the time specified in S7, is received prior |
          |              | to executing the rest of the dial string.   |
          |--------------+---------------------------------------------|
          |      D$      | Wait for prompt tone detection function     |
          |              | enabled. Waits for prompt tone for amount   |
          |              | of time specified by the S7 command.        |
          |--------------+---------------------------------------------|
          |      D;      | Modem returned to idle state after dialing. |
          |              | The semicolon can only be placed at the end |
          |              | of the dial command.                        |
          |--------------+---------------------------------------------|
          |      DA      | Link negotiation performed at 4800 bps      |
          |--------------+---------------------------------------------|
          |      DJ      | Link negotiation performed at 1200 bps      |
          |--------------+---------------------------------------------|
          |      DK      | Cellular connection                         |
          |--------------+---------------------------------------------|
          |     DNx      | Used as the last character in a dial        |
          |              | string, if connection fails then a          |
          |              | connection is attempted with the stored     |
          |              | number x, which has a range of 1-9 and is   |
          |              | previously stored using the &Z command or   |
          |              | the \P command                              |
          |--------------+---------------------------------------------|
          |      DO      | modem is set to work with a remote          |
          |              | (cell-side) cellular phone                  |
          |--------------+---------------------------------------------|
          |      DS      | Dials the first number stored using the &Z  |
          |              | command                                     |
          |--------------+---------------------------------------------|
          |     D+x      | Dials, connects, then initiates the logon   |
          |              | sequence x                                  |
          |--------------+---------------------------------------------|
          |      DM      | Override set operating mode and dial in     |
          |              | LAPM mode                                   |
          |--------------+---------------------------------------------|
          |      DQ      | Override set operating mode and dial in     |
          |              | LAPM mode with fallback to normal mode      |
          |--------------+---------------------------------------------|
          |      DU      | Override set operating mode and dial in     |
          |              | direct mode                                 |
          |--------------+---------------------------------------------|
          |      DV      | Override set operating mode and dial in     |
          |              | LAPM mode with fallback to MNP              |
          |--------------+---------------------------------------------|
          |      DX      | Override set operating mode and dial in     |
          |              | auto-reliable mode                          |
          |--------------+---------------------------------------------|
          |      DY      | Override set operating mode and dial in MNP |
          |              | reliable mode                               |
          |--------------+---------------------------------------------|
          |      DZ      | Override set operating mode and dial in     |
          |              | normal mode                                 |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                    Dial access security                    |
          |------------------------------------------------------------|
          | Type:        | Configuration                               |
          |--------------+---------------------------------------------|
          | Format:      | AT [cmds] $Gn [cmds]                        |
          |--------------+---------------------------------------------|
          | Description: | Sets dial access security during logon      |
          |------------------------------------------------------------|
          |      Command       |               Function                |
          |--------------------+---------------------------------------|
          |        $G0         | Dial access security disabled         |
          |--------------------+---------------------------------------|
          |        $G1         | Dial access security enabled          |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |           dial access security database display            |
          |------------------------------------------------------------|
          | Type:        | Immediate                                   |
          |--------------+---------------------------------------------|
          | Format:      | AT [cmds] $In [cmds]                        |
          |--------------+---------------------------------------------|
          | Description: | Displays the dial access security database  |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |               Display contents of registers                |
          |------------------------------------------------------------|
          | Type:        | Immediate                                   |
          |--------------+---------------------------------------------|
          | Format:      | AT [cmds] %Rn [cmds]                        |
          |--------------+---------------------------------------------|
          | Description: | Display content of registers                |
          |------------------------------------------------------------|
          |    Command    |                  Function                  |
          |---------------+--------------------------------------------|
          |      %R0      | Displays contents of all S-registers       |
          |---------------+--------------------------------------------|
          |      %R1      | Displays content of all :Tn Commands       |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                 DISPLAY TELEPHONE NUMBERS                  |
          |------------------------------------------------------------|
          | Type:        | Immediate                                   |
          |--------------+---------------------------------------------|
          | Format:      | AT [cmds] \Fn [cmds]                        |
          |--------------+---------------------------------------------|
          | Description: | Displays numbers stored in the directory    |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |            DSR AND CTS CONTROL FOR SERIAL PORT             |
          |------------------------------------------------------------|
          | Type:        | Configuration                               |
          |--------------+---------------------------------------------|
          | Format:      | AT [cmds] \Dn [cmds]                        |
          |--------------+---------------------------------------------|
          | Description: | Controls data send ready and clear to send  |
          |------------------------------------------------------------|
          |    Command    |                  Function                  |
          |---------------+--------------------------------------------|
          |     í \D0     | DSR and CTS forced high                    |
          |---------------+--------------------------------------------|
          |      \D1      | DSR and CTS follow DCD, If &C1 is set then |
          |               | DSR follows off-hook                       |
          |---------------+--------------------------------------------|
          |      \D2      | DSR and CTS follow DCD                     |
          |---------------+--------------------------------------------|
          |      \D3      | DSR set to ITU-T recommendations, CTS      |
          |               | forced high                                |
          |---------------+--------------------------------------------|
          |      \D4      | DSR and CTS set to ITU-T recommendations   |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                    DSR disconnect TIMER                    |
          |------------------------------------------------------------|
          | Type:        | Register                                    |
          |--------------+---------------------------------------------|
          | Format       | AT [cmds] :T22=n [cmds]                     |
          |--------------+---------------------------------------------|
          | Default:     | 34                                          |
          |--------------+---------------------------------------------|
          | Range:       | 0-255                                       |
          |--------------+---------------------------------------------|
          | Unit:        | .0125 sec                                   |
          |--------------+---------------------------------------------|
          | Description: | The period of time after DCD and or CTS are |
          |              | dropped until DSR is dropped at disconnect  |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                         Dumb Mode                          |
          |------------------------------------------------------------|
          | Type:        | Configuration                               |
          |--------------+---------------------------------------------|
          | Format:      | AT [cmds] -Hn [cmds]                        |
          |--------------+---------------------------------------------|
          | Description: | Sets the modem to ignore commands (Dumb     |
          |              | mode)                                       |
          |------------------------------------------------------------|
          |          Command          |            Function            |
          |---------------------------+--------------------------------|
          |            -H1            | Dumb mode disabled             |
          |---------------------------+--------------------------------|
          |            -H2            | Dumb mode enabled              |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |            Edit dial accesss security database             |
          |------------------------------------------------------------|
          | Type:        | Configuration                               |
          |--------------+---------------------------------------------|
          | Format       | AT [cmds] )$Hn [cmds]                       |
          |--------------+---------------------------------------------|
          | Range:       | 1-9                                         |
          |--------------+---------------------------------------------|
          | Description: | Edits the dial access security database     |
          |              | position n                                  |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                    Edit logon sequence                     |
          |------------------------------------------------------------|
          | Type:        | Configuration                               |
          |--------------+---------------------------------------------|
          | Format       | AT [cmds] )$Ln [cmds]                       |
          |--------------+---------------------------------------------|
          | Range:       | 1-9                                         |
          |--------------+---------------------------------------------|
          | Description: | Edits the logon sequence n                  |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                   EXTENDED RESULT CODES                    |
          |------------------------------------------------------------|
          | Type:        | Configuration                               |
          |--------------+---------------------------------------------|
          | Format:      | AT [cmds] \Vn [cmds]                        |
          |--------------+---------------------------------------------|
          | Description: | Selects extended result codes               |
          |--------------+---------------------------------------------|
          |   Command    |                  Function                   |
          |--------------+---------------------------------------------|
          |     \V0      | Extended result codes disabled              |
          |--------------+---------------------------------------------|
          |     \V1      | Extended result codes enabled               |
          |--------------+---------------------------------------------|
          |    í \V2     | Extended error correction protocol result   |
          |              | codes enabled                               |
          |--------------+---------------------------------------------|
          |     \V3      | /REL added to extended error correction     |
          |              | result codes, displays Hayes short result   |
          |              | codes                                       |
          |--------------+---------------------------------------------|
          |     \V4      | Extended error correction protocol result   |
          |              | codes enabled                               |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                       Fallback speed                       |
          |------------------------------------------------------------|
          | Type:        | Configuration                               |
          |--------------+---------------------------------------------|
          | Format:      | AT [cmds] -Qn [cmds]                        |
          |--------------+---------------------------------------------|
          | Description: | Sets the type of fallback used by the modem |
          |------------------------------------------------------------|
          |     Command     |                 Function                 |
          |-----------------+------------------------------------------|
          |       -Q0       | V.fast, V.32bis, or V.32 MNP reliable    |
          |                 | connection fallback to a MNP reliable    |
          |                 | 2400bps or 1200bps connection disabled   |
          |-----------------+------------------------------------------|
          |       -Q1       | V.fast, V.32bis, or V.32 MNP reliable    |
          |                 | connection fallback to a MNP reliable    |
          |                 | 2400bps connection enabled               |
          |-----------------+------------------------------------------|
          |       -Q2       | V.fast, V.32bis, or V.32 MNP reliable    |
          |                 | connection fallback to a MNP reliable    |
          |                 | 2400bps or 1200bps connection enabled    |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |               False answer disconnect TIMER                |
          |------------------------------------------------------------|
          | Type:        | Register                                    |
          |--------------+---------------------------------------------|
          | Format       | AT [cmds] :T7=n [cmds]                      |
          |--------------+---------------------------------------------|
          | Default:     | 60                                          |
          |--------------+---------------------------------------------|
          | Range:       | 0-255                                       |
          |--------------+---------------------------------------------|
          | Unit:        | 1 sec                                       |
          |--------------+---------------------------------------------|
          | Description: | In normal mode, when V.23 half duplex       |
          |              | connections occur after fallback, this is   |
          |              | the period of time that the modem waits     |
          |              | before disconnecting after receiving no     |
          |              | data                                        |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                  FIRMWARE VERSION display                  |
          |------------------------------------------------------------|
          | Type:        | Immediate                                   |
          |--------------+---------------------------------------------|
          | Format:      | AT [cmds] %Vn [cmds]                        |
          |--------------+---------------------------------------------|
          | Description: | Displays the firmware main code version for |
          |              | the modem                                   |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                        FLOW CONTROL                        |
          |------------------------------------------------------------|
          | Type:        | Configuration                               |
          |--------------+---------------------------------------------|
          | Format:      | AT [cmds] \Gn [cmds]                        |
          |--------------+---------------------------------------------|
          | Description: | Selects modem port flow control             |
          |--------------+---------------------------------------------|
          |   Command    |                  Function                   |
          |--------------+---------------------------------------------|
          |    í \G0     | Flow control disabled                       |
          |--------------+---------------------------------------------|
          |     \G1      | XON/XOFF flow control enabled               |
          |--------------+---------------------------------------------|
          |     \G2      | XON/XOFF flow control enabled               |
          |              | uni-directionally                           |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                 Hewlett Packard EMULATION                  |
          |------------------------------------------------------------|
          | Type:        | Configuration                               |
          |--------------+---------------------------------------------|
          | Format:      | AT [cmds] \Hn [cmds]                        |
          |--------------+---------------------------------------------|
          | Description: | Configures the modem to emulate Hewlett     |
          |              | Packard ENQ/ACK                             |
          |------------------------------------------------------------|
          |    Command    |                  Function                  |
          |---------------+--------------------------------------------|
          |     í \H0     | HP ENQ/ACK disabled                        |
          |---------------+--------------------------------------------|
          |      \H1      | HP ENQ/ACK enabled within a MNP reliable   |
          |               | link/terminal emulated                     |
          |---------------+--------------------------------------------|
          |      \H2      | HP ENQ/ACK enabled within a MNP reliable   |
          |               | link/host emulated                         |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                      INACTIVITY TIMER                      |
          |------------------------------------------------------------|
          | Type:        | Configuration                               |
          |--------------+---------------------------------------------|
          | Format:      | AT [cmds] \Tn [cmds]                        |
          |--------------+---------------------------------------------|
          | Default:     | 0                                           |
          |--------------+---------------------------------------------|
          | Range:       | 0-90                                        |
          |--------------+---------------------------------------------|
          | Unit:        | 1 minute                                    |
          |--------------+---------------------------------------------|
          | Description: | Sets the length of time that the modem does |
          |              | not receive information before it           |
          |              | disconnects.                                |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |               Inactivity timer (serial port)               |
          |------------------------------------------------------------|
          | Type:        | Configuration                               |
          |--------------+---------------------------------------------|
          | Format       | AT [cmds] )Qn [cmds]                        |
          |--------------+---------------------------------------------|
          | Default:     | 0                                           |
          |--------------+---------------------------------------------|
          | Range:       | 0-255                                       |
          |--------------+---------------------------------------------|
          | Unit:        | 1 minute                                    |
          |--------------+---------------------------------------------|
          | Description: | Sets the time serial port must be inactive  |
          |              | for the modem to automatically shut down    |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                  Kermit and uucp spoofing                  |
          |------------------------------------------------------------|
          | Type:        | Configuration                               |
          |--------------+---------------------------------------------|
          | Format:      | AT [cmds] :Kn [cmds]                        |
          |--------------+---------------------------------------------|
          | Description: | Sets the type of Kermit and UUCP protocol   |
          |              | used by the modem                           |
          |------------------------------------------------------------|
          |    Command     |                 Function                  |
          |----------------+-------------------------------------------|
          |     í :K0      | Kermit and UUCP spoofing disabled         |
          |                | (asynchronous protocols)                  |
          |----------------+-------------------------------------------|
          |      :K1       | Kermit spoofing enabled (asynchronous     |
          |                | protocols)                                |
          |----------------+-------------------------------------------|
          |      :K2       | UUCP spoofing enabled (asynchronous       |
          |                | protocols)                                |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                   kermit mark character                    |
          |------------------------------------------------------------|
          | Type:        | Configuration                               |
          |--------------+---------------------------------------------|
          | Format       | AT [cmds] :Qn [cmds]                        |
          |--------------+---------------------------------------------|
          | Default:     | 1                                           |
          |--------------+---------------------------------------------|
          | Range:       | 0-31                                        |
          |--------------+---------------------------------------------|
          | Unit:        | ASCII                                       |
          |--------------+---------------------------------------------|
          | Description: | Sets the mark character used by Kermit      |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                   Line turnaround TIMER                    |
          |------------------------------------------------------------|
          | Type:        | Register                                    |
          |--------------+---------------------------------------------|
          | Format       | AT [cmds] :T4=n [cmds]                      |
          |--------------+---------------------------------------------|
          | Default:     | 20                                          |
          |--------------+---------------------------------------------|
          | Range:       | 0-255                                       |
          |--------------+---------------------------------------------|
          | Unit:        | .0125sec                                    |
          |--------------+---------------------------------------------|
          | Description: | In normal mode V.23 half duplex             |
          |              | connections, after the local modem turns    |
          |              | carrier off, this is the amount of time the |
          |              | local modem waits for the remote modem to   |
          |              | respond, before it turns the carrier on     |
          |              | again and resumes the transmission of data. |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                  Logon sequence password                   |
          |------------------------------------------------------------|
          | Type:        | Immediate                                   |
          |--------------+---------------------------------------------|
          | Format:      | AT [cmds] $P [cmds]                         |
          |--------------+---------------------------------------------|
          | Description: | Changes the password used to alter the      |
          |              | logon sequence                              |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                    LOW Battery WARNING                     |
          |------------------------------------------------------------|
          | Type:        | Configuration                               |
          |--------------+---------------------------------------------|
          | Format:      | AT [cmds] )Vn [cmds]                        |
          |--------------+---------------------------------------------|
          | Description: | Sets the type of notification that should   |
          |              | occur upon low battery                      |
          |------------------------------------------------------------|
          |    Command    |                  Function                  |
          |---------------+--------------------------------------------|
          |     í )V0     | Disabled                                   |
          |---------------+--------------------------------------------|
          |      )V1      | 3 Bell characters                          |
          |---------------+--------------------------------------------|
          |      )V2      | 3 Bell characters and LOW BATTERY warning  |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                       manual dialing                       |
          |------------------------------------------------------------|
          | Type:        | Configuration                               |
          |--------------+---------------------------------------------|
          | Format:      | AT [cmds] :Dn [cmds]                        |
          |--------------+---------------------------------------------|
          | Description: | Sets if the modem goes off-hook in          |
          |              | originate mode                              |
          |------------------------------------------------------------|
          |    Command    |                  Function                  |
          |---------------+--------------------------------------------|
          |     í :D0     | If DTR is raised then modem goes off-hook  |
          |---------------+--------------------------------------------|
          |      :D1      | If DTR is raised then modem goes off-hook  |
          |               | in originate mode, &D must be set          |
          |---------------+--------------------------------------------|
          |      :D2      | If DTR is raised then modem goes off-hook  |
          |               | in originate mode and dials the first      |
          |               | telephone number that is stored, &D must   |
          |               | be set                                     |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |               Mnp class connection Messages                |
          |------------------------------------------------------------|
          | Type:        | Configuration                               |
          |--------------+---------------------------------------------|
          | Format:      | AT [cmds] -Mn [cmds]                        |
          |--------------+---------------------------------------------|
          | Description: | Sets whether or not a class connection      |
          |              | message is shown                            |
          |------------------------------------------------------------|
          |    Command    |                  Function                  |
          |---------------+--------------------------------------------|
          |     í -M0     | MNP class connection message disabled      |
          |---------------+--------------------------------------------|
          |      -M1      | MNP class connection message enabled       |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                      Modem Port Rate                       |
          |------------------------------------------------------------|
          | Type:        | Configuration                               |
          |--------------+---------------------------------------------|
          | Format:      | AT [cmds] %Bn [cmds]                        |
          |--------------+---------------------------------------------|
          | Description: | Sets the bits per second rate for the modem |
          |              | port                                        |
          |------------------------------------------------------------|
          |            Command             |         Function          |
          |--------------------------------+---------------------------|
          |              %B75              | 75bps                     |
          |--------------------------------+---------------------------|
          |             %B300              | 300bps                    |
          |--------------------------------+---------------------------|
          |             %B600              | 600bps                    |
          |--------------------------------+---------------------------|
          |             %B1200             | 1200bps                   |
          |--------------------------------+---------------------------|
          |             %B2400             | 2400bps                   |
          |--------------------------------+---------------------------|
          |             %B4800             | 4800bps                   |
          |--------------------------------+---------------------------|
          |             %B9600             | 9600bps                   |
          |--------------------------------+---------------------------|
          |            %B19200             | 19200bps                  |
          |--------------------------------+---------------------------|
          |            %B38400             | 38400bps                  |
          |--------------------------------+---------------------------|
          |            %B57600             | 57600bps                  |
          |--------------------------------+---------------------------|
          |            %B115200            | 115200bps                 |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |               MODEM POrT SPEED CONFIGURATION               |
          |------------------------------------------------------------|
          | Type:        | Configuration                               |
          |--------------+---------------------------------------------|
          | Format:      | AT [cmds] %Gn [cmds]                        |
          |--------------+---------------------------------------------|
          | Description: | Sets how modem port speed is configured     |
          |------------------------------------------------------------|
          |    Command    |                  Function                  |
          |---------------+--------------------------------------------|
          |     í %G0     | Modem port speed is determined by serial   |
          |               | port                                       |
          |---------------+--------------------------------------------|
          |      %G1      | Modem port speed is determined by %B       |
          |               | command                                    |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                       ONLINE STATUS                        |
          |------------------------------------------------------------|
          | Type:        | Immediate                                   |
          |--------------+---------------------------------------------|
          | Format:      | AT [cmds] \Sn [cmds]                        |
          |--------------+---------------------------------------------|
          | Description: | Lists modem commands with their current     |
          |              | settings, displays connection type, elapsed |
          |              | time, and last number dialed                |
          |--------------+---------------------------------------------|
          | Note:        | The information is displayed on several     |
          |              | screens, hit any key to scroll down, hit    |
          |              | <control> x to cancel                       |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                Packet size (parallel port)                 |
          |------------------------------------------------------------|
          | Type:        | Register                                    |
          |--------------+---------------------------------------------|
          | Format       | AT [cmds] :T29=n [cmds]                     |
          |--------------+---------------------------------------------|
          | Default:     | 32                                          |
          |--------------+---------------------------------------------|
          | Range:       | 0-63                                        |
          |--------------+---------------------------------------------|
          | Unit:        | 1 Character                                 |
          |--------------+---------------------------------------------|
          | Description: | The maximum number of characters sent in a  |
          |              | data packet from computer to modem or from  |
          |              | modem to computer                           |
          |--------------+---------------------------------------------|
          | Note:        | If the value is set to 0 then the modem     |
          |              | selects the best packet size                |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                        Parity check                        |
          |------------------------------------------------------------|
          | Type:        | Configurarion                               |
          |--------------+---------------------------------------------|
          | Format:      | AT [cmds] -Pn [cmds]                        |
          |--------------+---------------------------------------------|
          | Description: | Sets how parity is checked                  |
          |------------------------------------------------------------|
          |    Command    |                  Function                  |
          |---------------+--------------------------------------------|
          |     í -P0     | Parity for special characters ignored      |
          |---------------+--------------------------------------------|
          |      -P1      | Process special characters when their      |
          |               | parity matches serial port parity          |
          |---------------+--------------------------------------------|
          |      -P2      | Process special characters when their      |
          |               | parity matches serial port parity, modem   |
          |               | port flow characters are also recognized   |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |       Power level adjustment (cellular connections)        |
          |------------------------------------------------------------|
          | Type:        | Configuration                               |
          |--------------+---------------------------------------------|
          | Format:      | AT [cmds] )Mn [cmds]                        |
          |--------------+---------------------------------------------|
          | Description: | Adjusts the power level used by the modem   |
          |------------------------------------------------------------|
          |    Command    |                  Function                  |
          |---------------+--------------------------------------------|
          |      )M0      | Auto power adjustment (cellular and non    |
          |               | cellular)                                  |
          |---------------+--------------------------------------------|
          |      )M1      | Power level adjustment forced (cellular)   |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                     PULSE DIAL SETTING                     |
          |------------------------------------------------------------|
          | Type:        | Configuration                               |
          |--------------+---------------------------------------------|
          | Format:      | AT [cmds] %Wn [cmds]                        |
          |--------------+---------------------------------------------|
          | Description: | Sets the format for pulse dialing, where x  |
          |              | is the digit being dialed                   |
          |------------------------------------------------------------|
          |         Command          |            Function             |
          |--------------------------+---------------------------------|
          |          í %W0           | X pulses dialed                 |
          |--------------------------+---------------------------------|
          |           %W1            | X+1 pulse dialed                |
          |--------------------------+---------------------------------|
          |           %W2            | 10- x pulses dialed             |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |              Read :t (configuration) Register              |
          |------------------------------------------------------------|
          | Type:        | Immediate                                   |
          |--------------+---------------------------------------------|
          | Format       | AT [cmds] ):Tn? [cmds]                      |
          |--------------+---------------------------------------------|
          | Description: | Displays the value of the :T register n     |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                          Re-Dial                           |
          |------------------------------------------------------------|
          | Type:        | Immediate                                   |
          |--------------+---------------------------------------------|
          | Format:      | AT [cmds] -Dn [cmds]                        |
          |--------------+---------------------------------------------|
          | Description: | Dials or re-dials a number in several       |
          |              | different formats                           |
          |------------------------------------------------------------|
          |    Command    |                  Function                  |
          |---------------+--------------------------------------------|
          |  -D<number>   | Dials a number up to 98 characters long    |
          |---------------+--------------------------------------------|
          |     -D/x      | Dials the telephone stored in the          |
          |               | directory location x using the \P command  |
          |---------------+--------------------------------------------|
          |      -DL      | Dials last number dialed                   |
          |---------------+--------------------------------------------|
          |      -DS      | Dials first entry stored in the directory  |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                       remote access                        |
          |------------------------------------------------------------|
          | Type:        | Configuration                               |
          |--------------+---------------------------------------------|
          | Format:      | AT [cmds] *En [cmds]                        |
          |--------------+---------------------------------------------|
          | Description: | Enables the use of remote access            |
          |------------------------------------------------------------|
          |      Command       |               Function                |
          |--------------------+---------------------------------------|
          |       í *E0        | Remote access disabled                |
          |--------------------+---------------------------------------|
          |        *E1         | Remote access enabled                 |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |             Remote access Attention CHARACTER              |
          |------------------------------------------------------------|
          | Type:        | Configuration                               |
          |--------------+---------------------------------------------|
          | Format       | AT [cmds] *Sn [cmds]                        |
          |--------------+---------------------------------------------|
          | Default:     | 42, <*>                                     |
          |--------------+---------------------------------------------|
          | Range:       | 0-126                                       |
          |--------------+---------------------------------------------|
          | Unit:        | ASCII                                       |
          |--------------+---------------------------------------------|
          | Description: | Sets the attention character used to        |
          |              | request remote access                       |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |            remote access Configuration RECOVERY            |
          |------------------------------------------------------------|
          | Type:        | Immediate                                   |
          |--------------+---------------------------------------------|
          | Format:      | AT [cmds] *Q[cmds]                          |
          |--------------+---------------------------------------------|
          | Description: | Ignores changes made but not saved in level |
          |              | 1 remote access sessions                    |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |             remote access configuration update             |
          |------------------------------------------------------------|
          | Type:        | Immediate                                   |
          |--------------+---------------------------------------------|
          | Format:      | AT [cmds] *U [cmds]                         |
          |--------------+---------------------------------------------|
          | Description: | Saves changes made to the configurations    |
          |              | during a level 1 remote access call         |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                  Remote Access IDENTIFIER                  |
          |------------------------------------------------------------|
          | Type:        | Configuration                               |
          |--------------+---------------------------------------------|
          | Format:      | AT [cmds] *I [cmds]                         |
          |--------------+---------------------------------------------|
          | Description: | Sets the identifier used in remote access   |
          |              | sessions                                    |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |             remote access level change - down              |
          |------------------------------------------------------------|
          | Type:        | Immediate                                   |
          |--------------+---------------------------------------------|
          | Format:      | AT [cmds] *X [cmds]                         |
          |--------------+---------------------------------------------|
          | Description: | Sets remote access down one level           |
          |--------------+---------------------------------------------|
          | Note:        | If remote access is at level 0 then, the    |
          |              | remote access session ends and the          |
          |              | originating modem is set to connect state   |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |              Remote access level change - up               |
          |------------------------------------------------------------|
          | Type:        | Immediate                                   |
          |--------------+---------------------------------------------|
          | Format:      | AT [cmds] *M [cmds]                         |
          |--------------+---------------------------------------------|
          | Description: | Requests to move up to level 1 from level 0 |
          |              | in a remote access session                  |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                   remote access password                   |
          |------------------------------------------------------------|
          | Type:        | Immediate                                   |
          |--------------+---------------------------------------------|
          | Format:      | AT [cmds] *Pn [cmds]                        |
          |--------------+---------------------------------------------|
          | Description: | Sets password for remote access             |
          |------------------------------------------------------------|
          |    Command    |                  Function                  |
          |---------------+--------------------------------------------|
          |      *P0      | Sets password for level 0 remote access    |
          |---------------+--------------------------------------------|
          |      *P1      | Sets password for level 1 remote access    |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                   remote access request                    |
          |------------------------------------------------------------|
          | Type:        | immediate                                   |
          |--------------+---------------------------------------------|
          | Format:      | AT [cmds] *A [cmds]                         |
          |--------------+---------------------------------------------|
          | Description: | Requests a remote access                    |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                   Remote access security                   |
          |------------------------------------------------------------|
          | Type:        | Configuration                               |
          |--------------+---------------------------------------------|
          | Format:      | AT [cmds] *Rn [cmds]                        |
          |--------------+---------------------------------------------|
          | Description: | Turns on remote access security             |
          |------------------------------------------------------------|
          | Note:         | All passwords must be set before enabling  |
          |               | Remote Access Security                     |
          |---------------+--------------------------------------------|
          |    Command    |                  Function                  |
          |---------------+--------------------------------------------|
          |      *R0      | Remote access security disabled            |
          |---------------+--------------------------------------------|
          |      *R1      | Remote access security enabled             |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                        RESULT CODES                        |
          |------------------------------------------------------------|
          | Type:        | Configuration                               |
          |--------------+---------------------------------------------|
          | Format:      | AT [cmds] Qn [cmds]                         |
          |--------------+---------------------------------------------|
          | Description: | Enables modem to send result codes to the   |
          |              | DTE                                         |
          |--------------+---------------------------------------------|
          |   Command    |                  Function                   |
          |--------------+---------------------------------------------|
          |     í Q0     | Result code sending enabled                 |
          |--------------+---------------------------------------------|
          |      Q1      | Result code sending disabled                |
          |--------------+---------------------------------------------|
          |      Q2      | Result code for answer mode disabled        |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                  Security database clear                   |
          |------------------------------------------------------------|
          | Type:        | Immediate                                   |
          |--------------+---------------------------------------------|
          | Format:      | AT [cmds] $Jn [cmds]                        |
          |--------------+---------------------------------------------|
          | Description: | Clears various security and phone number    |
          |              | databases                                   |
          |------------------------------------------------------------|
          |    Command    |                  Function                  |
          |---------------+--------------------------------------------|
          |      $J0      | Dial access security database cleared and  |
          |               | $L1-$L5 restored to default                |
          |---------------+--------------------------------------------|
          |      $J1      | Dial access security database cleared,     |
          |               | $L1-$L5 restored to default, connection    |
          |               | security password database cleared, stored |
          |               | telephone numbers cleared and last number  |
          |               | dialed cleared.                            |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                     SECURITY PASSWORD                      |
          |------------------------------------------------------------|
          | Type:        | Configuration                               |
          |--------------+---------------------------------------------|
          | Format       | AT [cmds] )%In [cmds]                       |
          |--------------+---------------------------------------------|
          | Default:     | No password set, password connection        |
          |              | security disabled                           |
          |--------------+---------------------------------------------|
          | Description: | Sets a new password for password connection |
          |              | security                                    |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                     serial port parity                     |
          |------------------------------------------------------------|
          | Type:        | Configuration                               |
          |--------------+---------------------------------------------|
          | Format:      | AT [cmds] -On [cmds]                        |
          |--------------+---------------------------------------------|
          | Description: | Changes the parity settings for the serial  |
          |              | port                                        |
          |------------------------------------------------------------|
          |        Command        |              Function              |
          |-----------------------+------------------------------------|
          |          -O0          | 7 data bits/odd parity             |
          |-----------------------+------------------------------------|
          |          -O1          | 7 data bits/even parity            |
          |-----------------------+------------------------------------|
          |          -O2          | 7 data bits/mark parity            |
          |-----------------------+------------------------------------|
          |          -O3          | 7 data bits/space parity           |
          |-----------------------+------------------------------------|
          |          -O4          | 8 data bits/no parity              |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                      Serial port rate                      |
          |------------------------------------------------------------|
          | Type:        | Configuration                               |
          |--------------+---------------------------------------------|
          | Format:      | AT [cmds] $Bn [cmds]                        |
          |--------------+---------------------------------------------|
          | Description: | Sets the rate of the serial port in bits    |
          |              | per second                                  |
          |------------------------------------------------------------|
          |           Command            |          Function           |
          |------------------------------+-----------------------------|
          |            $B775             | 775 bps                     |
          |------------------------------+-----------------------------|
          |            $B300             | 300 bps                     |
          |------------------------------+-----------------------------|
          |            $B600             | 600 bps                     |
          |------------------------------+-----------------------------|
          |            $B1200            | 1200 bps                    |
          |------------------------------+-----------------------------|
          |            $B2400            | 2400 bps                    |
          |------------------------------+-----------------------------|
          |            $B4800            | 4800 bps                    |
          |------------------------------+-----------------------------|
          |            $B9600            | 9600 bps                    |
          |------------------------------+-----------------------------|
          |           $B19200            | 19200 bps                   |
          |------------------------------+-----------------------------|
          |          í $B38400           | 38400 bps                   |
          |------------------------------+-----------------------------|
          |           $B57600            | 57600 bps                   |
          |------------------------------+-----------------------------|
          |           $B115200           | 115200 bps                  |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                SERIAL PORT RING INDICATION                 |
          |------------------------------------------------------------|
          | Type:        | Configuration                               |
          |--------------+---------------------------------------------|
          | Format:      | AT [cmds] \Rn [cmds]                        |
          |--------------+---------------------------------------------|
          | Description: | Sets preferences for the ring indicator     |
          |              | signal                                      |
          |------------------------------------------------------------|
          |     Command      |                Function                 |
          |------------------+-----------------------------------------|
          |       \R0        | Signal on during call                   |
          |------------------+-----------------------------------------|
          |       \R1        | Signal is turned off when call is       |
          |                  | answered                                |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                     serial port speed                      |
          |------------------------------------------------------------|
          | Type:        | Configuration                               |
          |--------------+---------------------------------------------|
          | Format:      | AT [cmds] %Un [cmds]                        |
          |--------------+---------------------------------------------|
          | Description: | Sets the serial port speed change type      |
          |------------------------------------------------------------|
          |    Command    |                  Function                  |
          |---------------+--------------------------------------------|
          |      %U0      | Serial port speed can be changed to any    |
          |               | other speed                                |
          |---------------+--------------------------------------------|
          |      %U1      | Keep current port speed                    |
          |---------------+--------------------------------------------|
          |      %U2      | Serial port speed can be changed from any  |
          |               | other speed                                |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          | Type:        | Configuration                               |
          |--------------+---------------------------------------------|
          | Format:      | AT [cmds] )Un [cmds]                        |
          |--------------+---------------------------------------------|
          | Description: | Sets the type of notification that should   |
          |              | occur 20 seconds before shut down           |
          |------------------------------------------------------------|
          |      Command      |                Function                |
          |-------------------+----------------------------------------|
          |       í )U0       | Disabled                               |
          |-------------------+----------------------------------------|
          |        )U1        | 3 Bell characters                      |
          |-------------------+----------------------------------------|
          |        )U2        | 3 Bell characters and SHUT DOWN        |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                       Speed Matching                       |
          |------------------------------------------------------------|
          | Type:        | Configuration                               |
          |--------------+---------------------------------------------|
          | Format:      | AT [cmds] %Ln [cmds]                        |
          |--------------+---------------------------------------------|
          | Description: | Sets the type of speed matching used        |
          |------------------------------------------------------------|
          |     Command      |                Function                 |
          |------------------+-----------------------------------------|
          |       %L0        | Partial speed matching enabled          |
          |------------------+-----------------------------------------|
          |       %L1        | Speed matching enabled                  |
          |------------------+-----------------------------------------|
          |       %L2        | Speed matching disabled                 |
          |------------------+-----------------------------------------|
          |       %L3        | ITU-T automode enabled                  |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |               STORE CONFIGURATION (COMPLETE)               |
          |------------------------------------------------------------|
          | Type:        | Immediate                                   |
          |--------------+---------------------------------------------|
          | Format:      | AT [cmds] *Wn [cmds]                        |
          |--------------+---------------------------------------------|
          | Description: | Sets user configurations according to       |
          |              | active commands and registers               |
          |------------------------------------------------------------|
          | Note:         | Unlike the &W command, this one also       |
          |               | stores restricted S-registers              |
          |---------------+--------------------------------------------|
          |    Command    |                  Function                  |
          |---------------+--------------------------------------------|
          |      *W0      | Stores active commands and registers in    |
          |               | configuration 0                            |
          |---------------+--------------------------------------------|
          |      *W1      | Stores active commands and registers in    |
          |               | configuration 1                            |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                   Store telephone number                   |
          |------------------------------------------------------------|
          | Type:        | Immediate                                   |
          |--------------+---------------------------------------------|
          | Format:      | AT [cmds] \Pn [cmds]                        |
          |--------------+---------------------------------------------|
          | Description: | Stores the phone number n of up to 39       |
          |              | digits                                      |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |               TRANSMISSION LEVEL - CELLULAR                |
          |------------------------------------------------------------|
          | Type:        | Configuration                               |
          |--------------+---------------------------------------------|
          | Format:      | AT [cmds] @Mn [cmds]                        |
          |--------------+---------------------------------------------|
          | Description: | Sets the signal level for transmission      |
          |              | while in cellular mode                      |
          |--------------+---------------------------------------------|
          |   Command    |                  Function                   |
          |--------------+---------------------------------------------|
          |    í @M0     | -26 dBm                                     |
          |--------------+---------------------------------------------|
          |     @M1      | -30 dBm                                     |
          |--------------+---------------------------------------------|
          |   @M2-@M10   | -10 dBm                                     |
          |--------------+---------------------------------------------|
          |     @Mx      | After @M10 the level becomes variable and   |
          |              | is equal to -x dBm, x has a range of 10 -   |
          |              | 35                                          |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                     View mode (logon)                      |
          |------------------------------------------------------------|
          | Type:        | Configuration                               |
          |--------------+---------------------------------------------|
          | Format:      | AT [cmds] $Vn [cmds]                        |
          |--------------+---------------------------------------------|
          | Description: | Sets if data is passed through to from      |
          |              | remote computer to local computer, durin a  |
          |              | logon sequence                              |
          |------------------------------------------------------------|
          |          Command          |            Function            |
          |---------------------------+--------------------------------|
          |            $V0            | View mode disabled             |
          |---------------------------+--------------------------------|
          |            $V1            | View mode enabled              |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |              V.21 and v.23 answer tone TIMER               |
          |------------------------------------------------------------|
          | Type:        | Register                                    |
          |--------------+---------------------------------------------|
          | Format       | AT [cmds] :T3=n [cmds]                      |
          |--------------+---------------------------------------------|
          | Default:     | 3                                           |
          |--------------+---------------------------------------------|
          | Range:       | 0-33                                        |
          |--------------+---------------------------------------------|
          | Unit:        | .1 sec                                      |
          |--------------+---------------------------------------------|
          | Description: | If the answering modem is set to V.21 or    |
          |              | V.23 then :T3 is period of time that the    |
          |              | V.25 answer tone is emitted                 |
          |              |                                             |
          |              | If the originating modem is set to V.21 or  |
          |              | V.23 then :T3 is period of time that the    |
          |              | modem waits after it receives tone and      |
          |              | proceeds with connection                    |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |               V.21 connection attempt TIMER                |
          |------------------------------------------------------------|
          | Type:        | Register                                    |
          |--------------+---------------------------------------------|
          | Format       | AT [cmds] :T2=n [cmds]                      |
          |--------------+---------------------------------------------|
          | Default:     | 0                                           |
          |--------------+---------------------------------------------|
          | Range:       | 0-255                                       |
          |--------------+---------------------------------------------|
          | Unit:        | .1 sec                                      |
          |--------------+---------------------------------------------|
          | Description: | Time that the modem attempts a V.21         |
          |              | connection, before establishing a V.23 half |
          |              | duplex connection                           |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |    V.23 split speed or a V.23 connection attempt TIMER     |
          |------------------------------------------------------------|
          | Type:        | Register                                    |
          |--------------+---------------------------------------------|
          | Format       | AT [cmds] :T1=n [cmds]                      |
          |--------------+---------------------------------------------|
          | Default:     | 30                                          |
          |--------------+---------------------------------------------|
          | Range:       | 0-255                                       |
          |--------------+---------------------------------------------|
          | Unit:        | .1 sec                                      |
          |--------------+---------------------------------------------|
          | Description: | Time that the modem attempts a V.23 split   |
          |              | speed connection, before establishing a     |
          |              | V.21 or a V.23 half duplex connection       |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                  V.23 equalizer settings                   |
          |------------------------------------------------------------|
          | Type:        | Configuration                               |
          |--------------+---------------------------------------------|
          | Format:      | AT [cmds] %On [cmds]                        |
          |--------------+---------------------------------------------|
          | Description: | Sets V.23 equalizer settings for            |
          |              | half-duplex mode                            |
          |------------------------------------------------------------|
          |    Command    |                  Function                  |
          |---------------+--------------------------------------------|
          |      %O0      | Equalizers disabled in V.23 half-duplex    |
          |               | mode                                       |
          |---------------+--------------------------------------------|
          |      %O1      | Equalizers enabled in V.23 half-duplex     |
          |               | mode                                       |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                 v.23 intercharacter timer                  |
          |------------------------------------------------------------|
          | Type:        | Register                                    |
          |--------------+---------------------------------------------|
          | Format       | AT [cmds] :T5=n [cmds]                      |
          |--------------+---------------------------------------------|
          | Default:     | 7                                           |
          |--------------+---------------------------------------------|
          | Range:       | 0-255                                       |
          |--------------+---------------------------------------------|
          | Unit:        | .0125sec                                    |
          |--------------+---------------------------------------------|
          | Description: | In normal mode V.23 half duplex             |
          |              | connections, this is the period of time     |
          |              | that the modem waits before sending the     |
          |              | last data character held within the         |
          |              | transmit buffer and turning the carrier off |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |      V.32, V.22bis or a V.22 connection attempt TIMER      |
          |------------------------------------------------------------|
          | Type:        | Register                                    |
          |--------------+---------------------------------------------|
          | Format       | AT [cmds] :T0=n [cmds]                      |
          |--------------+---------------------------------------------|
          | Default:     | 40                                          |
          |--------------+---------------------------------------------|
          | Range:       | 0-255                                       |
          |--------------+---------------------------------------------|
          | Unit:        | .1 sec                                      |
          |--------------+---------------------------------------------|
          | Description: | Time that the modem attempts a V.32,        |
          |              | V.22bis or V.22 connection, before          |
          |              | establishing a V.23 split speed or a V.21   |
          |              | connection                                  |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                  V.fast connection speed                   |
          |------------------------------------------------------------|
          | Type:        | Register                                    |
          |--------------+---------------------------------------------|
          | Format:      | AT [cmds] :T42=n [cmds]                     |
          |--------------+---------------------------------------------|
          | Description: | Speed setting for V.fast connection         |
          |------------------------------------------------------------|
          |    Command    |                  Function                  |
          |---------------+--------------------------------------------|
          |   í :T42=0    | Standard V.fast connection speed           |
          |---------------+--------------------------------------------|
          |    :T42=1     | Highest V.fast connection speed (2 speeds  |
          |               | faster than the standard)                  |
          |---------------+--------------------------------------------|
          |    :T42=2     | Higher V.fast connection speed (1 speed    |
          |               | faster than the standard)                  |
          |---------------+--------------------------------------------|
          |    :T42=3     | Standard V.fast connection speed           |
          |---------------+--------------------------------------------|
          |    :T42=4     | Lower V.fast connection speed (1 speed     |
          |               | slower than the standard)                  |
          |---------------+--------------------------------------------|
          |    :T42=5     | Lowest V.fast connection speed (2 speed    |
          |               | slower than the standard)                  |
          +------------------------------------------------------------+