URI: 
  TEXT View Source
       
       # ARCHTEK CORPORATION
       
          3334BR
       
          Card Type              Modem/Fax card                          
          Chip Set               Unidentified                            
          I/O Options            Line out, phone in                      
          Maximum Modem Rate     33.6Kbps                                
          Maximum Fax Rate       14.4Kbps                                
          Data Modulation        Bell 103A/212A                          
          Protocol                                                       
                                 ITU-T V.21, V.22, V.22bis, V.23, V.32,  
                                 V.32bis, V.34, V.34bis,                 
                                                                         
                                 Rockwell V.FC                           
          Fax Modulation         ITU-T V.17, V.21CH2, V.27ter, V.29      
          Protocol               
          Error                  MNP10,MNP5, V.42, V.42bis               
          Correction/Compression 
          Fax Class              Class I & II                            
          Data Bus               8-bit ISA                               
          Card Size              Half-length                             
       
   IMG IMG 1
          
       
          +------------------------------------------------------------+
          |                        CONNECTIONS                         |
          |------------------------------------------------------------|
          |        Function        |  Label   |   Function   |  Label  |
          |------------------------------------------------------------|
          | Line out                    |    CN2     | Phone in | CN3  |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                    SERIAL PORT ADDRESS                     |
          |------------------------------------------------------------|
          |  Setting  | IRQ  | JP1  | JP2  | JP3  | JP4  | JP5  | JP6  |
          |-----------+------+------+------+------+------+------+------|
          |COM1 (3F8h)| IRQ4 |Closed|Closed| Open | Open |Closed| Open |
          |-----------+------+------+------+------+------+------+------|
          |COM2 (2F8h)| IRQ3 | Open |Closed| Open |Closed| Open | Open |
          |-----------+------+------+------+------+------+------+------|
          |COM3 (3E8h)| IRQ4 |Closed| Open | Open | Open |Closed| Open |
          |-----------+------+------+------+------+------+------+------|
          |COM3 (3E8h)| IRQ5 |Closed| Open | Open | Open | Open |Closed|
          |-----------+------+------+------+------+------+------+------|
          |COM4 (2E8h)| IRQ3 | Open | Open | Open |Closed| Open | Open |
          |-----------+------+------+------+------+------+------+------|
          |COM4 (2E8h)| IRQ2 | Open | Open |Closed| Open | Open | Open |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                   SUPPORTED COMMAND SET                    |
          |------------------------------------------------------------|
          |                     Basic AT Commands                      |
          |------------------------------------------------------------|
          | AT, ‘+++’, ‘comma’, A/                                     |
          |------------------------------------------------------------|
          | A, B, C, E, H, M, O, P, Q, R, S, T, V, W, X, Y, Z          |
          |------------------------------------------------------------|
          | &C, &D, &G, &L, &M, &P, &Q, &R, &V, &W, &X, &Y, &Z         |
          |------------------------------------------------------------|
          |                    Extended AT Commands                    |
          |------------------------------------------------------------|
          | \A, \B, \G, \K                                             |
          |------------------------------------------------------------|
          | %C, %E                                                     |
          |------------------------------------------------------------|
          |                        S Registers                         |
          |------------------------------------------------------------|
          | S0, S1, S2, S3, S4, S5, S6, S7, S8, S9, S10, S11, S12,     |
          | S18, S25, S26, S30, S32, S33                               |
          |------------------------------------------------------------|
          | S36, S38, S91, S92, S95                                    |
          |------------------------------------------------------------|
          |                      Special Commands                      |
          |------------------------------------------------------------|
          | *H, -K, -Q, )M, :E                                         |
          |------------------------------------------------------------|
          | Note: See MHI Help File for full command documentation.    |
          +------------------------------------------------------------+
       
                            PROPRIETARY AT COMMAND SET
       
          +------------------------------------------------------------+
          |                            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                   |
          |--------------+---------------------------------------------|
          |      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 Quite 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;      | Modem returned to idle state after dialing. |
          |              | The semicolon can only be placed at the end |
          |              | of the dial command.                        |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                       SPEAKER VOLUME                       |
          |------------------------------------------------------------|
          | Type:        | Configuration                               |
          |--------------+---------------------------------------------|
          | Format:      | AT [cmds] Ln [cmds]                         |
          |--------------+---------------------------------------------|
          | Description: | Controls speaker volume                     |
          |--------------+---------------------------------------------|
          |   Command    |                  Function                   |
          |--------------+---------------------------------------------|
          |      L0      | Low volume setting                          |
          |--------------+---------------------------------------------|
          |      L1      | Low volume setting                          |
          |--------------+---------------------------------------------|
          |     í L2     | Medium volume setting                       |
          |--------------+---------------------------------------------|
          |      L3      | Highest volume setting                      |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                    AUTO-MODE DETECTION                     |
          |------------------------------------------------------------|
          | Type:        | Configuration                               |
          |--------------+---------------------------------------------|
          | Format:      | AT [cmds] Nn [cmds]                         |
          |--------------+---------------------------------------------|
          | Description: | Selects various options for the automatic   |
          |              | detection and negotiation of protocols      |
          |              | during the handshake process if the modem   |
          |              | is communicating with a remote modem of     |
          |              | dissimilar speed.                           |
          |--------------+---------------------------------------------|
          |   Command    |                  Function                   |
          |--------------+---------------------------------------------|
          |      N0      | In originate mode, handshake only at line   |
          |              | speed designated by the S37 register.       |
          |--------------+---------------------------------------------|
          |      N1      | In originate mode, handshake begins at line |
          |              | speed designated by the S37 register. Modem |
          |              | can shift to a slower speed if necessary.   |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                  FACTORY DEFAULT PROFILE                   |
          |------------------------------------------------------------|
          | Type:        | Configuration                               |
          |--------------+---------------------------------------------|
          | Format:      | AT [cmds] &F [cmds]                         |
          |--------------+---------------------------------------------|
          | Description: | Sets values in active profile to values     |
          |              | found in the default profile                |
          |--------------+---------------------------------------------|
          |   Command    |                  Function                   |
          |--------------+---------------------------------------------|
          |     &F0      | Sets values to factory configuration 0      |
          |--------------+---------------------------------------------|
          |     &F1      | Sets values to factory configuration 1      |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                        FLOW CONTROL                        |
          |------------------------------------------------------------|
          | Type:        | Configuration                               |
          |--------------+---------------------------------------------|
          | Format:      | AT [cmds] &Kn [cmds]                        |
          |--------------+---------------------------------------------|
          | Description: | Enables flow control options                |
          |--------------+---------------------------------------------|
          |   Command    |                  Function                   |
          |--------------+---------------------------------------------|
          |     &K0      | Flow control disabled                       |
          |--------------+---------------------------------------------|
          |     &K1      | Reserved                                    |
          |--------------+---------------------------------------------|
          |     &K2      | Reserved                                    |
          |--------------+---------------------------------------------|
          |     &K3      | RTS/CTS flow control enabled                |
          |--------------+---------------------------------------------|
          |     &K4      | XON/XOFF flow control enabled               |
          |--------------+---------------------------------------------|
          |     &K5      | Transparent XON/XOFF flow control enabled   |
          |--------------+---------------------------------------------|
          |     &K6      | Hardware and software flow control enabled  |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                    DATA SET READY (DSR)                    |
          |------------------------------------------------------------|
          | Type:        | Configuration                               |
          |--------------+---------------------------------------------|
          | Format:      | AT [cmds] &Sn [cmds]                        |
          |--------------+---------------------------------------------|
          | Description: | Selects DSR options                         |
          |--------------+---------------------------------------------|
          |   Command    |                  Function                   |
          |--------------+---------------------------------------------|
          |     &S0      | DSR forced high                             |
          |--------------+---------------------------------------------|
          |     &S1      | DSR high only while modem is handshaking    |
          +------------------------------------------------------------+
       
                               S(STATUS) -REGISTERS
       
          +------------------------------------------------------------+
          |                  BIT-MAPPED REGISTER S14                   |
          |------------------------------------------------------------|
          | Format:      | AT [cmds] S14=n [cmds]                      |
          |--------------+---------------------------------------------|
          | Range:       | 0-174                                       |
          |--------------+---------------------------------------------|
          | Unit:        | Bit-mapped                                  |
          |--------------+---------------------------------------------|
          | Description: | Controls echo, loopback tests, analog,      |
          |              | digital, remote digital, and self tests.    |
          |--------------+---------------------------------------------|
          | Bit  | Value |                  Function                   |
          |------+-------+---------------------------------------------|
          |  0   |     0 | Not used                                    |
          |------+-------+---------------------------------------------|
          |  1   |     0 | Command echo disabled                       |
          |      |       |                                             |
          |      |     1 | Command echo enabled                        |
          |------+-------+---------------------------------------------|
          |  3   |     0 | Modem not in remote digital loopback        |
          |      |       |                                             |
          |      |     1 | Remote digital loopback in process          |
          |------+-------+---------------------------------------------|
          |  3   |     0 | Remote digital loopback not requested       |
          |      |       |                                             |
          |      |     1 | Remote digital loopback requested           |
          |------+-------+---------------------------------------------|
          |  5   |     0 | Remote digital loopback with self test      |
          |      |       | disabled                                    |
          |      |     1 |                                             |
          |      |       | R Remote digital loopback with self test    |
          |      |       | enabled                                     |
          |------+-------+---------------------------------------------|
          |  6   |     0 | Local analog loopback with self test        |
          |      |       | disabled                                    |
          |      |     1 |                                             |
          |      |       | Local analog loopback with self test        |
          |      |       | enabled                                     |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                  BIT-MAPPED REGISTER S19                   |
          |------------------------------------------------------------|
          | Format:      | AT [cmds] S19=n [cmds]                      |
          |--------------+---------------------------------------------|
          | Unit:        | Bit-mapped                                  |
          |--------------+---------------------------------------------|
          | Description: | Defines options for AutoSync operation.     |
          |--------------+---------------------------------------------|
          | Bit  | Value |                  Function                   |
          |------+-------+---------------------------------------------|
          |  0   |     0 | Not used                                    |
          |------+-------+---------------------------------------------|
          |  1   |     0 | BSC format enabled                          |
          |      |       |                                             |
          |      |     1 | HDLC format enabled                         |
          |------+-------+---------------------------------------------|
          |  2   |     0 | Address detection disabled                  |
          |      |       |                                             |
          |      |     1 | Address detection disabled                  |
          |------+-------+---------------------------------------------|
          |  3   |     0 | NRZI coding enabled                         |
          |      |       |                                             |
          |      |     1 | NZI coding enabled                          |
          |------+-------+---------------------------------------------|
          |  4   |     0 | Mark idle enabled                           |
          |      |       |                                             |
          |      |     1 | Flag or sync idle enabled                   |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                  HDLC ADDRESS OR BSC SYNC                  |
          |------------------------------------------------------------|
          | Format       | AT [cmds] S20=n [cmds]                      |
          |--------------+---------------------------------------------|
          | Range:       | 0-255                                       |
          |--------------+---------------------------------------------|
          | Unit:        | Bit-mapped                                  |
          |--------------+---------------------------------------------|
          | Description: | Defines the HDLC address or BSC Sync        |
          |              | character for AutoSync operation.           |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                  BIT-MAPPED REGISTER S21                   |
          |------------------------------------------------------------|
          | Format:      | AT [cmds] S21=n [cmds]                      |
          |--------------+---------------------------------------------|
          | Unit:        | Bit-mapped                                  |
          |--------------+---------------------------------------------|
          | Description: | Indicates the status of command options     |
          |--------------+---------------------------------------------|
          | Bit  | Value |                  Function                   |
          |------+-------+---------------------------------------------|
          |  0   |     0 | Set by &J but otherwise not used            |
          |------+-------+---------------------------------------------|
          |  1   |     0 | Not used                                    |
          |------+-------+---------------------------------------------|
          |  2   |     0 | CTS tracks RTS (&R0)                        |
          |      |       |                                             |
          |      |     1 | CTS always on (&R1)                         |
          |------+-------+---------------------------------------------|
          | 3-4  |     0 | DTR (&D0)                                   |
          |      |       |                                             |
          |      |     1 | DTR (&D1)                                   |
          |      |       |                                             |
          |      |     2 | DTR (&D2)                                   |
          |      |       |                                             |
          |      |     3 | DTR (&D3)                                   |
          |------+-------+---------------------------------------------|
          |  5   |     0 | RSDL(&C0)                                   |
          |      |       |                                             |
          |      |     1 | RSDL(&C1)                                   |
          |------+-------+---------------------------------------------|
          |  6   |     0 | DSR(&S0)                                    |
          |      |       |                                             |
          |      |     1 | DSR(&S1)                                    |
          |------+-------+---------------------------------------------|
          |  7   |     0 | Long space disconnect(&Y0)                  |
          |      |       |                                             |
          |      |     1 | Long space disconnect(&Y1)                  |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                  BIT-MAPPED REGISTER S22                   |
          |------------------------------------------------------------|
          | Format       | AT [cmds] S22=n [cmds]                      |
          |--------------+---------------------------------------------|
          | Range:       | 0-255                                       |
          |--------------+---------------------------------------------|
          | Unit:        | Bit-mapped                                  |
          |--------------+---------------------------------------------|
          | Description: | Controls speaker volume and controls,       |
          |              | limits results codes, and pulse dial        |
          |              | make/break ratio.                           |
          |--------------+---------------------------------------------|
          | Bit  | Value |                  Function                   |
          |------+-------+---------------------------------------------|
          | 1, 0 |    00 | Off volume                                  |
          |      |       |                                             |
          |      |    01 | Low level volume                            |
          |      |       |                                             |
          |      |    10 | Medium level volume                         |
          |      |       |                                             |
          |      |    11 | High level volume                           |
          |------+-------+---------------------------------------------|
          | 3, 2 |    00 | Speaker off                                 |
          |      |       |                                             |
          |      |    01 | Speaker off on carrier                      |
          |      |       |                                             |
          |      |    10 | Speaker on medium                           |
          |      |       |                                             |
          |      |    11 | Speaker on high                             |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                       DCE LINE SPEED                       |
          |------------------------------------------------------------|
          | Type:        | Register                                    |
          |--------------+---------------------------------------------|
          | Format       | AT [cmds] S37=n [cmds]                      |
          |--------------+---------------------------------------------|
          | Description: | Sets the maximum allowable data exchange    |
          |              | rate attempted during handshake process.    |
          |--------------+---------------------------------------------|
          |   Command    |                  Function                   |
          |--------------+---------------------------------------------|
          |    S37=0     | Speed of last connection                    |
          |--------------+---------------------------------------------|
          |    S37=1     | 300bps                                      |
          |--------------+---------------------------------------------|
          |    S37=2     | 300bps                                      |
          |--------------+---------------------------------------------|
          |    S37=3     | 300bps                                      |
          |--------------+---------------------------------------------|
          |    S37=5     | 1200bps                                     |
          |--------------+---------------------------------------------|
          |    S37=6     | 2400bps                                     |
          |--------------+---------------------------------------------|
          |    S37=7     | V.23                                        |
          |--------------+---------------------------------------------|
          |    S37=8     | 4800bps                                     |
          |--------------+---------------------------------------------|
          |    S37=9     | 9600bps                                     |
          |--------------+---------------------------------------------|
          |    S37=10    | 12.0Kbps                                    |
          |--------------+---------------------------------------------|
          |    S37=11    | 14.4Kbps                                    |
          |--------------+---------------------------------------------|
          |    S37=12    | 7200bps                                     |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                        FLOW CONTROL                        |
          |------------------------------------------------------------|
          | Type:        | Register                                    |
          |--------------+---------------------------------------------|
          | Format       | AT [cmds] S39? [cmds]                       |
          |--------------+---------------------------------------------|
          | Description: | Displays the current flow control           |
          |--------------+---------------------------------------------|
          |    Value     |                   Meaning                   |
          |--------------+---------------------------------------------|
          |      0       | Flow control disabled                       |
          |--------------+---------------------------------------------|
          |      3       | RTS/CTS flow control enabled                |
          |--------------+---------------------------------------------|
          |      4       | XON/XOFF flow control enabled               |
          |--------------+---------------------------------------------|
          |      5       | Transparent XON/XOFF flow control enabled   |
          |--------------+---------------------------------------------|
          |      6       | XON/XOFF and RTS/CTS flow control enabled   |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                  BIT-MAPPED REGISTER S40                   |
          |------------------------------------------------------------|
          | Format:      | AT [cmds] S40=n [cmds]                      |
          |--------------+---------------------------------------------|
          | Unit:        | Bit-mapped                                  |
          |--------------+---------------------------------------------|
          | Description: | General option status                       |
          |--------------+---------------------------------------------|
          | Bit  | Value |                  Function                   |
          |------+-------+---------------------------------------------|
          | 0-1  |     0 | Disable extended services (-K0)             |
          |      |       |                                             |
          |      |     1 | Enable extended services (-K1)              |
          |      |       |                                             |
          |      |     2 | Enable extended services (-K2)              |
          |------+-------+---------------------------------------------|
          |  1   |     0 | Not used                                    |
          |------+-------+---------------------------------------------|
          |  2   |     0 | CTS tracks RTS (&R0)                        |
          |      |       |                                             |
          |      |     1 | CTS always on (&R1)                         |
          |------+-------+---------------------------------------------|
          | 3-4  |     0 | DTR (&D0)                                   |
          |      |       |                                             |
          |      |     1 | DTR (&D1)                                   |
          |      |       |                                             |
          |      |     2 | DTR (&D2)                                   |
          |      |       |                                             |
          |      |     3 | DTR (&D3)                                   |
          |------+-------+---------------------------------------------|
          |  5   |     0 | RSDL(&C0)                                   |
          |      |       |                                             |
          |      |     1 | RSDL(&C1)                                   |
          |------+-------+---------------------------------------------|
          |  6   |     0 | DSR(&S0)                                    |
          |      |       |                                             |
          |      |     1 | DSR(&S1)                                    |
          |------+-------+---------------------------------------------|
          |  7   |     0 | Long space disconnect(&Y0)                  |
          |      |       |                                             |
          |      |     1 | Long space disconnect(&Y1)                  |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                  BIT-MAPPED REGISTER S41                   |
          |------------------------------------------------------------|
          | Format       | AT [cmds] S41=n [cmds]                      |
          |--------------+---------------------------------------------|
          | Range:       | 0-31                                        |
          |--------------+---------------------------------------------|
          | Unit:        | Bit-mapped                                  |
          |--------------+---------------------------------------------|
          | Description: | Selects compression, auto-retrain, flow     |
          |              | control, and MNP mode.                      |
          |--------------+---------------------------------------------|
          | Bit  | Value |                  Function                   |
          |------+-------+---------------------------------------------|
          | 1 -  |    00 | Data compression disabled                   |
          |  0   |       |                                             |
          |      |    01 | MNP5 enabled                                |
          |      |       |                                             |
          |      |    10 | V.42bis enabled                             |
          |      |       |                                             |
          |      |  í 11 | MNP5 and V.42bis enabled                    |
          |------+-------+---------------------------------------------|
          | 2,6  |   í 0 | Auto-retrain disabled                       |
          |      |       |                                             |
          |      |     1 | Auto-retrain enabled                        |
          |      |       |                                             |
          |      |    10 | Fallback/fall forward enabled               |
          |------+-------+---------------------------------------------|
          |  4   |   í 0 | Stream mode for MNP                         |
          |      |       |                                             |
          |      |     1 | Block mode for MNP                          |
          |------+-------+---------------------------------------------|
          |  7   |     0 | Fallback to V.22bis/V22 disabled            |
          |      |       |                                             |
          |      |   í 1 | Fallback to V.22bis/V22 enabled             |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                ERROR CORRECTION/COMPRESSION                |
          |------------------------------------------------------------|
          | Type:                        | Register                    |
          |------------------------------------------------------------|
          | Format:      | AT [cmds] S46=n [cmds]                      |
          |--------------+---------------------------------------------|
          | Description: | Selects active error correction and         |
          |              | compression protocols                       |
          |------------------------------------------------------------|
          |    Command    |                  Function                  |
          |---------------+--------------------------------------------|
          |    S46=136    | LAP-M only, no compression                 |
          |---------------+--------------------------------------------|
          |    S46=138    | LAP-M with V.42bis data compression        |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                FEATURE NEGOTIATION OPTIONS                 |
          |------------------------------------------------------------|
          | Type:                          | Register                  |
          |------------------------------------------------------------|
          | Format:      | AT [cmds] S48=n [cmds]                      |
          |--------------+---------------------------------------------|
          | Description: | Selects active error correction and         |
          |              | compression protocols                       |
          |------------------------------------------------------------|
          |    Command    |                  Function                  |
          |---------------+--------------------------------------------|
          |     S48=0     | Detection negotiation disabled, XID        |
          |               | negotiation disabled                       |
          |---------------+--------------------------------------------|
          |     S48=7     | Detection negotiation and XID negotiation  |
          |               | enabled                                    |
          |---------------+--------------------------------------------|
          |    S48=128    | Fall-back to options set in S36            |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                  CONNECTION FAILURE CODES                  |
          |------------------------------------------------------------|
          | Type:        | Register                                    |
          |--------------+---------------------------------------------|
          | Format       | AT [cmds] S86? [cmds]                       |
          |--------------+---------------------------------------------|
          | Description: | Reports codes which correspond to the       |
          |              | possible causes of a connection failure     |
          |--------------+---------------------------------------------|
          |    Value     |                   Meaning                   |
          |--------------+---------------------------------------------|
          |      0       | Normal hang up                              |
          |--------------+---------------------------------------------|
          |      4       | Carrier signal lost                         |
          |--------------+---------------------------------------------|
          |      5       | No error-control detected for remote modem  |
          |              | during feature negotiation                  |
          |--------------+---------------------------------------------|
          |      9       | No common protocol found                    |
          |--------------+---------------------------------------------|
          |      12      | No failure - remote modem disconnected      |
          |              | normally                                    |
          |--------------+---------------------------------------------|
          |      13      | Remote modem failed to respond after 10     |
          |              | re-transmissions same message               |
          |--------------+---------------------------------------------|
          |      14      | Violation of negotiated protocol caused     |
          |              | failure                                     |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |               TRANSMISSION LEVEL - CELLULAR                |
          |------------------------------------------------------------|
          | Type:        | Register                                    |
          |--------------+---------------------------------------------|
          | Format:      | AT [cmds] S201=n [cmds]                     |
          |--------------+---------------------------------------------|
          | Description: | Sets the signal level for transmission      |
          |--------------+---------------------------------------------|
          |     Bit      |                  Function                   |
          |--------------+---------------------------------------------|
          |     0-4      | Initial cellular power setting @Mn          |
          |--------------+---------------------------------------------|
          |      5       | Compromise equalizer enable command         |
          +------------------------------------------------------------+