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# VEN-TEL, INC.
EC96
Modem Type Data (synchronous/asynchronous)
Maximum Data Rate 9600bps
Data Bus External
Data Modulation Bell 103A/212A
Protocol
ITU-T V.21, V.22, V.22bis, V.23, V.32,
V32bis limited to 12000bps
Error MNP5, V.42, V.42bis
Correction/Compression
IMG IMG 1
+------------------------------------------------------------+
| CONNECTIONS |
|------------------------------------------------------------|
| Purpose | Location | Purpose | Location |
|-----------------+----------+--------------------+----------|
| Line out | CN1 | RS-232/422 | CN4 |
|-----------------+----------+--------------------+----------|
| Line in | CN2 | Power switch | SW3 |
|-----------------+----------+--------------------+----------|
| DC power | CN3 | | |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CTS SIGNAL |
|------------------------------------------------------------|
| Setting | SW2/1 |
|-------------------------------+----------------------------|
| » CTS normal | Off |
|-------------------------------+----------------------------|
| CTS forced high | On |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DCD SIGNAL |
|------------------------------------------------------------|
| Setting | SW2/2 |
|-------------------------------+----------------------------|
| » DCD normal | Off |
|-------------------------------+----------------------------|
| DCD forced high | On |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DSR SIGNAL |
|------------------------------------------------------------|
| Setting | SW2/3 |
|-------------------------------+----------------------------|
| » DSR normal | Off |
|-------------------------------+----------------------------|
| DSR forced high | On |
+------------------------------------------------------------+
+------------------------------------------------------------+
| AT |
|------------------------------------------------------------|
| Setting | SW2/4 |
|-------------------------------+----------------------------|
| » AT command set enabled | Off |
|-------------------------------+----------------------------|
| At command set disabled | On |
+------------------------------------------------------------+
+------------------------------------------------------------+
| LEASED LINE WIRE TYPE |
|------------------------------------------------------------|
| Setting | SW2/5 |
|-------------------------------+----------------------------|
| » Two wire | Off |
|-------------------------------+----------------------------|
| Four wire | On |
+------------------------------------------------------------+
+------------------------------------------------------------+
| RESET |
|------------------------------------------------------------|
| Setting | SW2/6 |
|-------------------------------+----------------------------|
| Asynchronous | On |
|-------------------------------+----------------------------|
| Synchronous | Off |
|------------------------------------------------------------|
| Note: Set to on before powering modem. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DTR SIGNAL |
|------------------------------------------------------------|
| Setting | SW2/7 |
|-------------------------------+----------------------------|
| » DTE sends DTR signal | Off |
|-------------------------------+----------------------------|
| Modem sends DTR signal | On |
+------------------------------------------------------------+
+------------------------------------------------------------+
| SIGNAL LEVEL |
|------------------------------------------------------------|
| Setting | J5 |
|-------------------------------------------+----------------|
| Signal ground normal | Open |
|-------------------------------------------+----------------|
| Set signal ground equal to chassis ground | Closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| RECEIVE CLOCK |
|------------------------------------------------------------|
| Setting | J6 |
|------------------------------------+-----------------------|
| » Receive clock on pin 17 disabled | Open |
|------------------------------------+-----------------------|
| Receive clock on pin 17 enabled | Closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| TRANSMIT CLOCK |
|------------------------------------------------------------|
| Setting | J7 |
|-------------------------------------+----------------------|
| » Transmit clock on pin 15 disabled | Open |
|-------------------------------------+----------------------|
| Transmit clock on pin 15 enabled | Closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| FACTORY CONFIGURED SETTINGS |
|------------------------------------------------------------|
| JUMPER | SETTING |
|-------------------+----------------------------------------|
| J1 | Open |
|-------------------+----------------------------------------|
| J2 | Open |
|-------------------+----------------------------------------|
| J3 | Open |
|-------------------+----------------------------------------|
| J4 | Open |
|-------------------+----------------------------------------|
| SW2/8 | N/A |
|-------------------+----------------------------------------|
| SW1 | Not used (may not exist on all boards) |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DIAGNOSTIC LED(S) |
|------------------------------------------------------------|
| LED | Color | Status | Mode | Condition |
|-------+-----------+----------+----------+------------------|
| HS | Green | On | N/A | Modem is |
| | | | | operating at |
| | | | | 7200bps or |
| | | | | faster |
|-------+-----------+----------+----------+------------------|
| HS | Red | On | N/A | Modem is |
| | | | | operating at |
| | | | | 1200bps or |
| | | | | 2400bps |
|-------+-----------+----------+----------+------------------|
| HS | Green/Red | Blinking | N/A | E-Mail messages |
| | | | | stored |
|-------+-----------+----------+----------+------------------|
| HS | N/A | Off | N/A | Modem is |
| | | | | operating at |
| | | | | slower than |
| | | | | 1200bps |
|-------+-----------+----------+----------+------------------|
| AA | Red | On | Off-line | Auto-answer |
| | | | | enabled |
|-------+-----------+----------+----------+------------------|
| AA | Red | Off | Off-line | Auto-answer |
| | | | | disabled |
|-------+-----------+----------+----------+------------------|
| AA | N/A | Blinking | Off-line | Phone is ringing |
|-------+-----------+----------+----------+------------------|
| AA | Green | On | On-line | Modem is using |
| | | | | TCM modulation |
|-------+-----------+----------+----------+------------------|
| AA | Green | Blinking | On-line | Modem is |
| | | | | training TCM |
| | | | | modulation |
|-------+-----------+----------+----------+------------------|
| AA | Red | On | On-line | Modem is using |
| | | | | QAM or FSK |
| | | | | modulation |
|-------+-----------+----------+----------+------------------|
| AA | Red | Blinking | On-line | Modem is |
| | | | | training QAM or |
| | | | | FSK modulation |
|-------+-----------+----------+----------+------------------|
| AA | Green/Red | Blinking | On-line | Remote modem has |
| | | | | initiated a |
| | | | | retrain |
|-------+-----------+----------+----------+------------------|
| AA | Green/Off | Blinking | On-line | Local modem has |
| | | | | initiated a |
| | | | | retrain |
|-------+-----------+----------+----------+------------------|
| CD | Red | On | N/A | Carrier signal |
| | | | | detected |
|-------+-----------+----------+----------+------------------|
| CD | Red | Off | N/A | Carrier signal |
| | | | | not detected |
|-------+-----------+----------+----------+------------------|
| OH | Red | On | N/A | Modem is |
| | | | | off-hook |
|-------+-----------+----------+----------+------------------|
| OH | Red | Off | N/A | Modem is on-hook |
|-------+-----------+----------+----------+------------------|
| RD | Red | On | N/A | Modem is |
| | | | | receiving data |
|-------+-----------+----------+----------+------------------|
| RD | Red | Off | N/A | Modem is not |
| | | | | receiving data |
|-------+-----------+----------+----------+------------------|
| SD | Red | On | N/A | Modem is |
| | | | | transmitting |
| | | | | data |
|-------+-----------+----------+----------+------------------|
| SD | Red | Off | N/A | Modem is not |
| | | | | transmitting |
| | | | | data |
|-------+-----------+----------+----------+------------------|
| TR | Red | On | N/A | DTR signal is |
| | | | | high |
|-------+-----------+----------+----------+------------------|
| TR | Red | Off | N/A | DTR signal is |
| | | | | low |
|-------+-----------+----------+----------+------------------|
| MR/EC | Red | On | Off-line | Power on |
|-------+-----------+----------+----------+------------------|
| MR/EC | Red | Blinking | Off-line | Off-line |
| | | | | diagnostic test |
| | | | | has failed |
|-------+-----------+----------+----------+------------------|
| MR/EC | N/A | Off | Off-line | Power off |
|-------+-----------+----------+----------+------------------|
| MR/EC | Red | Blinking | On-line | On-line |
| | | | | diagnostic test |
| | | | | in progress |
| | | | | |
| | | | | OR |
| | | | | |
| | | | | Modem is in ROAD |
| | | | | mode |
|-------+-----------+----------+----------+------------------|
| MR/EC | Green | On | On-line | Error correction |
| | | | | activated |
|-------+-----------+----------+----------+------------------|
| MR/EC | Green | Blinking | On-line | Error correction |
| | | | | activated and |
| | | | | modem is in ROAD |
| | | | | mode |
|-------+-----------+----------+----------+------------------|
| MR/EC | N/A | Off | On-line | Error correction |
| | | | | disabled |
+------------------------------------------------------------+
Proprietary Command Set
+------------------------------------------------------------+
| APPEND CARRIAGE RETURN |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | AT [cmds] %Gn [cmds] |
|--------------+---------------------------------------------|
| Example: | AT %G1 &W<CR> |
|--------------+---------------------------------------------|
| Description: | Appends carriage return to result codes. |
|--------------+---------------------------------------------|
| Command | Function |
|--------------+---------------------------------------------|
| %G0 | Append carriage return disabled. |
|--------------+---------------------------------------------|
| » %G1 | Append carriage return enabled. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| BELL 202 |
|------------------------------------------------------------|
| Format | AT [cmds] S70=n [cmds] |
|---------------+--------------------------------------------|
| Example: | ATS70=4<CR> |
|---------------+--------------------------------------------|
| Default: | Unidentified |
|---------------+--------------------------------------------|
| Range: | 0 -4 |
|---------------+--------------------------------------------|
| Unit: | Bit-mapped |
|---------------+--------------------------------------------|
| Description: | Disables bell 202 mode. |
|------------------------------------------------------------|
| Bit | Value | Function |
|---------+----------+---------------------------------------|
| 0 | 0 | Not used. |
|---------+----------+---------------------------------------|
| 1 | 0 | Not used. |
|---------+----------+---------------------------------------|
| 2 | 0 | Bell 202 enabled |
| | | |
| | 1 | Bell 202 disabled |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CHARACTER LENGTH |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | AT [cmds] \Fn [cmds] |
|--------------+---------------------------------------------|
| Example: | AT \F3<CR> |
|--------------+---------------------------------------------|
| Description: | Sets length of character. |
|--------------+---------------------------------------------|
| Command | Function |
|--------------+---------------------------------------------|
| » \F0 | 8 data bits, 1 stop bit, null parity. |
|--------------+---------------------------------------------|
| \F1 | 8 data bits, 1 stop bit, odd parity. |
|--------------+---------------------------------------------|
| \F2 | 8 data bits, 1 stop bit, even parity. |
|--------------+---------------------------------------------|
| \F3 | 8 data bits, 2 stop bits, null parity. |
|--------------+---------------------------------------------|
| \F4 | 7 data bits, 1 stop bit, null parity. |
|--------------+---------------------------------------------|
| \F5 | 7 data bits, 1 stop bit, odd parity. |
|--------------+---------------------------------------------|
| \F6 | 7 data bits, 1 stop bit, even parity. |
|--------------+---------------------------------------------|
| \F7 | 7 data bits, 2 stop bits, null parity. |
|--------------+---------------------------------------------|
| \F8 | 7 data bits, 2 stop bits, odd parity. |
|--------------+---------------------------------------------|
| \F9 | 7 data bits, 2 stop bits, even parity. |
|--------------+---------------------------------------------|
| \F10 | Set character length to register S13. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| COMMUNICATION PROTOCOL |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | AT [cmds] Bn [cmds] |
|--------------+---------------------------------------------|
| Example: | AT B1 %B5<CR> |
|--------------+---------------------------------------------|
| Description: | Selects the communication protocol for data |
| | calls. |
|--------------+---------------------------------------------|
| Command | Function |
|--------------+---------------------------------------------|
| » B1 | Bell protocols. |
|--------------+---------------------------------------------|
| B0 | ITU-T protocols. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| COMPRESSION |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | AT %Cn |
|--------------+---------------------------------------------|
| Example: | AT %C0 *Y1<CR> |
|--------------+---------------------------------------------|
| Description: | Selects data compression. |
|--------------+---------------------------------------------|
| Command | Function |
|--------------+---------------------------------------------|
| » %C0 | Data compression disabled. |
|--------------+---------------------------------------------|
| %C1 | Data compression enabled. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CONNECT MODE |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | AT [cmds] \Nn [cmds] |
|--------------+---------------------------------------------|
| Example: | AT \N1 DT555-1212<CR> |
|--------------+---------------------------------------------|
| Description: | Sets connect mode. |
|--------------+---------------------------------------------|
| Command | Function |
|--------------+---------------------------------------------|
| \N1 | Direct mode. |
|--------------+---------------------------------------------|
| \N0 | Normal mode. |
|--------------+---------------------------------------------|
| \N2 | Reliable mode. |
|--------------+---------------------------------------------|
| \N3 | Auto-reliable mode. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CONNECTION SPEED RESTRICT |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | AT [cmds] *Cn [cmds] |
|--------------+---------------------------------------------|
| Example: | AT *C1 DT555-1212<CR> |
|--------------+---------------------------------------------|
| Description: | Limits speed of connection to last detected |
| | DTE speed or lower. |
|--------------+---------------------------------------------|
| Command | Function |
|--------------+---------------------------------------------|
| *C0 | Disabled. |
|--------------+---------------------------------------------|
| *C1 | Enabled. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DISPLAY CURRENT COMMAND STATUS |
|------------------------------------------------------------|
| Type: | Immediate |
|--------------+---------------------------------------------|
| Format: | AT [cmds] \S [cmds] |
|--------------+---------------------------------------------|
| Example: | AT &Z2=9W1-303-555-1212 \S<CR> |
|--------------+---------------------------------------------|
| Description: | Displays current setting of modem commands. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DTR DIALING |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | AT [cmds] %Dn [cmds] |
|--------------+---------------------------------------------|
| Example: | AT %D1 DT555-1212<CR> |
|--------------+---------------------------------------------|
| Description: | Turns DTR dialing on and off. |
|--------------+---------------------------------------------|
| Command | Function |
|--------------+---------------------------------------------|
| » %D0 | DTR dialing disabled. |
|--------------+---------------------------------------------|
| %D1 | DTR dialing enabled. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| ERROR CORRECTION MODE |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | AT [cmds] *Yn [cmds] |
|--------------+---------------------------------------------|
| Example: | AT *Y1 %C1<CR> |
|--------------+---------------------------------------------|
| Description: | Selects active error-correction protocols. |
|--------------+---------------------------------------------|
| Command | Function |
|--------------+---------------------------------------------|
| *Y0 | Auto-detect mode. |
|--------------+---------------------------------------------|
| » *Y1 | MNP and V.42bis enabled. |
|--------------+---------------------------------------------|
| *Y2 | V.42bis only enabled. |
|--------------+---------------------------------------------|
| *Y3 | MNP only enabled. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| FLOW CONTROL |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | AT [cmds] %Fn [cmds] |
|--------------+---------------------------------------------|
| Example: | AT %F1 &K3<CR> |
|--------------+---------------------------------------------|
| Description: | Selects flow control. |
|--------------+---------------------------------------------|
| Command | Function |
|--------------+---------------------------------------------|
| » %F1 | Flow control enabled for DTE and DCE |
|--------------+---------------------------------------------|
| %F0 | Flow control disabled. |
|--------------+---------------------------------------------|
| %F2 | Flow control enabled. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| FLOW CONTROL PASSTHROUGH |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | AT [cmds] *Pn [cmds] |
|--------------+---------------------------------------------|
| Example: | AT *P0 &W<CR> |
|--------------+---------------------------------------------|
| Description: | Allows modem to act on, then transmit |
| | XON/XOFF characters. |
|--------------+---------------------------------------------|
| Command | Function |
|--------------+---------------------------------------------|
| » *PO | Passthrough enabled. |
|--------------+---------------------------------------------|
| *P1 | Passthrough disabled. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| FLOW CONTROL TYPE |
|------------------------------------------------------------|
| Type: | Configuration |
|---------------+--------------------------------------------|
| Format: | AT [cmds] \Qn [cmds] |
|---------------+--------------------------------------------|
| Example: | AT \Q0 A<CR> |
|---------------+--------------------------------------------|
| Description: | Sets type of flow control used by modem. |
|---------------+--------------------------------------------|
| Command | Function |
|---------------+--------------------------------------------|
| » \Q0,\Q1,\Q2 | XON/XOFF flow control enabled. |
|---------------+--------------------------------------------|
| \Q3 | CTS/RTS flow control enabled. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| INACTIVITY TIMER |
|------------------------------------------------------------|
| Type: | Register |
|--------------+---------------------------------------------|
| Format: | AT [cmds] \Tn [cmds] |
|--------------+---------------------------------------------|
| Example: | AT\T20<CR> |
|--------------+---------------------------------------------|
| Default: | 0 |
|--------------+---------------------------------------------|
| Range: | 0-255 |
|--------------+---------------------------------------------|
| Unit: | 1 second |
|--------------+---------------------------------------------|
| Description: | Sets the length of time that the modem does |
| | not receive information before it |
| | disconnects. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| INITIALIZATION STRING |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | AT [cmds] *Vn=<cmds> |
|--------------+---------------------------------------------|
| Example: | AT *V1=ATS11=45 M0<CR> |
|--------------+---------------------------------------------|
| Description: | Stores string to be executed on power up or |
| | reset. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| INITIALIZATION STRING DISPLAY |
|------------------------------------------------------------|
| Type: | Immediate |
|--------------+---------------------------------------------|
| Format: | AT [cmds] *V? |
|--------------+---------------------------------------------|
| Example: | AT *V?<CR> |
|--------------+---------------------------------------------|
| Description: | Displays stored strings to be executed on |
| | power up or reset. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| LEASED LINE BACK UP STATION ID |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | AT [cmds] #En [cmds] |
|--------------+---------------------------------------------|
| Example: | AT *D1 *L2 #E1<CR> |
|--------------+---------------------------------------------|
| Description: | Allows modem to send and receive leased |
| | line back up ID. |
|--------------+---------------------------------------------|
| Command | Function |
|--------------+---------------------------------------------|
| #E0 | Disabled. |
|--------------+---------------------------------------------|
| » #E1 | Enabled. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| LEASED LINE DIAL BACKUP |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | AT [cmds] *Dn [cmds] |
|--------------+---------------------------------------------|
| Example: | AT *D1 *L2 #E1<CR> |
|--------------+---------------------------------------------|
| Description: | Automatically establishes switched line |
| | connection if leased line fails |
|--------------+---------------------------------------------|
| Command | Function |
|--------------+---------------------------------------------|
| » *D0 | Disabled. |
|--------------+---------------------------------------------|
| *D1 | Enabled. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| LEASED LINE RECEIVE ATTENUATION |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | AT [cmds] %Ln [cmds] |
|--------------+---------------------------------------------|
| Example: | AT %L1 &W<CR> |
|--------------+---------------------------------------------|
| Description: | Sets the attenuation for reception when in |
| | leased-line mode. |
|--------------+---------------------------------------------|
| Command | Function |
|--------------+---------------------------------------------|
| » %L2 | 0 to -26 dB |
|--------------+---------------------------------------------|
| %L0 | 0 to -43 dB |
|--------------+---------------------------------------------|
| %L1 | 0 to -33 dB |
|--------------+---------------------------------------------|
| %L3 | 0 to -16 dB |
+------------------------------------------------------------+
+------------------------------------------------------------+
| LEASED LINE RECOVERY DELAY |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | AT [cmds] *Ln [cmds] |
|--------------+---------------------------------------------|
| Example: | AT *D1 *L2 #E1<CR> |
|--------------+---------------------------------------------|
| Description: | After leased line failure, modem attempts |
| | to reconnect after specified delay. |
|--------------+---------------------------------------------|
| Command | |
|--------------+---------------------------------------------|
| » *L0 | Disabled. |
|--------------+---------------------------------------------|
| *L1 | 5 minute delay. |
|--------------+---------------------------------------------|
| *L2 | 15 minute delay. |
|--------------+---------------------------------------------|
| *L3 | 30 minute delay. |
|--------------+---------------------------------------------|
| *L4 | 60 minute delay. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| LEASED LINE STATION ID RECEIVE |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | AT [cmds] #Qxxxx [cmds] |
|--------------+---------------------------------------------|
| Example: | AT #Q0234567891 &W<CR> |
|--------------+---------------------------------------------|
| Default: | None |
|--------------+---------------------------------------------|
| Range: | ASCII |
|--------------+---------------------------------------------|
| Unit: | Up to ten characters |
|--------------+---------------------------------------------|
| Description: | Sets leased line backup receive station ID. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| LEASED LINE STATION ID TRANSMIT |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | AT [cmds] #Tn [cmds] |
|--------------+---------------------------------------------|
| Example: | AT #T0234567891 &W<CR> |
|--------------+---------------------------------------------|
| Default: | None |
|--------------+---------------------------------------------|
| Range: | ASCII |
|--------------+---------------------------------------------|
| Unit: | Up to ten characters |
|--------------+---------------------------------------------|
| Description: | Sets leased line backup transmit station |
| | ID. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| LEASED LINE TRANSMISSION ATTENUATION |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | AT [cmds] %Tn [cmds] |
|--------------+---------------------------------------------|
| Example: | AT %T12<CR> |
|--------------+---------------------------------------------|
| Default: | 15 |
|--------------+---------------------------------------------|
| Range: | 0 - 15 |
|--------------+---------------------------------------------|
| Unit: | 1 dB |
|--------------+---------------------------------------------|
| Description: | Sets the attenuation for transmission when |
| | in leased-line mode. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| LINE SPEED |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | AT [cmds] %Bn [cmds] |
|--------------+---------------------------------------------|
| Example: | AT B1 %B5<CR> |
|--------------+---------------------------------------------|
| Description: | Sets line speed |
|------------------------------------------------------------|
| Command | Mode | Function |
|---------------+-------+------------------------------------|
| %B0 | Bell | 9600bps V.32 Trellis encoding |
|---------------+-------+------------------------------------|
| %B0 | ITU-T | 9600bps V.32 Trellis encoding |
|---------------+-------+------------------------------------|
| %B1 | Bell | 9600bps V.32 |
|---------------+-------+------------------------------------|
| %B1 | ITU-T | 9600bps V.32 |
|---------------+-------+------------------------------------|
| %B2 | Bell | 2400 bps v.22bis |
|---------------+-------+------------------------------------|
| %B2 | ITU-T | 2400 bps v.22bis |
|---------------+-------+------------------------------------|
| %B3 | Bell | 1200bps V.22 |
|---------------+-------+------------------------------------|
| %B3 | ITU-T | 1200bps V.22 |
|---------------+-------+------------------------------------|
| %B4 | Bell | 300bps V.21 |
|---------------+-------+------------------------------------|
| %B4 | ITU-T | 300bps V.21 |
|---------------+-------+------------------------------------|
| %B5 | Bell | 9600/2400/1200/300bps |
|---------------+-------+------------------------------------|
| %B5 | ITU-T | 9600/2400/1200/300bps |
|---------------+-------+------------------------------------|
| %B6 | Bell | 9600/2400/1200 |
|---------------+-------+------------------------------------|
| %B6 | ITU-T | 9600/2400/1200 |
|---------------+-------+------------------------------------|
| %B7 | Bell | 9600/2400 |
|---------------+-------+------------------------------------|
| %B7 | ITU-T | 9600/2400 |
|---------------+-------+------------------------------------|
| %B8 | Bell | 1200bps V.23 HDX |
|---------------+-------+------------------------------------|
| %B8 | ITU-T | 1200bps V.23 HDX |
|---------------+-------+------------------------------------|
| %B9 | ITU-T | Transmit 1200bps, receive 75bps |
| | | local serial port speed follows |
| | | connect speed |
|---------------+-------+------------------------------------|
| %B10 | ITU-T | Transmit 75bps, receive 1200bps |
| | | local serial port speed follows |
| | | connect speed |
|---------------+-------+------------------------------------|
| %B11 | ITU-T | Transmit 1200bps, receive 75bps |
| | | local serial port speed |
| | | independent of connect speed |
|---------------+-------+------------------------------------|
| %B12 | ITU-T | Transmit 75bps, receive 12000bps |
| | | local serial port speed |
| | | independent of connect speed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| NEGOTIATE LINE SPEED |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | AT [cmds] %Qn [cmds] |
|--------------+---------------------------------------------|
| Example: | AT %Q1 &W<CR> |
|--------------+---------------------------------------------|
| Description: | Allows modem to negotiate down to Bell |
| | 202/V.23 while in answer mode |
|--------------+---------------------------------------------|
| Command | Function |
|--------------+---------------------------------------------|
| %Q0 | Bell 202/V.23 mode disabled. |
|--------------+---------------------------------------------|
| %Q1 | Substitute 300bps modes with Bell 202/V.23 |
| | when answering. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| NRZI |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | AT [cmds] &Nn [cmds] |
|--------------+---------------------------------------------|
| Example: | AT &N1 O<CR> |
|--------------+---------------------------------------------|
| Description: | Configures DTE non return to zero interface |
|--------------+---------------------------------------------|
| Command | |
|--------------+---------------------------------------------|
| &N0 | NRZ command and connect modes. |
|--------------+---------------------------------------------|
| &N1 | NRZI command and connect modes. |
|--------------+---------------------------------------------|
| &N2 | NRZ command, NRZI connect |
|--------------+---------------------------------------------|
| &N3 | NRZI command, NRZ connect |
+------------------------------------------------------------+
+------------------------------------------------------------+
| PULSE MODE INTERDIGIT DELAY |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | AT [cmds] %Pn [cmds] |
|--------------+---------------------------------------------|
| Example: | AT %N1 %P1 P<CR> |
|--------------+---------------------------------------------|
| Description: | Sets interval between digits in pulse mode. |
|--------------+---------------------------------------------|
| Command | Function |
|--------------+---------------------------------------------|
| » %P0 | 750ms |
|--------------+---------------------------------------------|
| %P1 | 650ms |
|--------------+---------------------------------------------|
| %P2 | 850ms |
+------------------------------------------------------------+
+------------------------------------------------------------+
| PULSES PER DIGIT |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | AT [cmds] %Nn [cmds] |
|--------------+---------------------------------------------|
| Example: | AT %N1 %P1 P<CR> |
|--------------+---------------------------------------------|
| Description: | Sets the number of pulses per digit dialed |
| | while in pulse mode. |
|--------------+---------------------------------------------|
| Command | Function |
|--------------+---------------------------------------------|
| » %N0 | Digit value is number of pulses (0 digit |
| | generates 10 pulses). |
|--------------+---------------------------------------------|
| %N1 | Digit value minus ten pulses generated (0 |
| | digit generates 10 pulses). |
|--------------+---------------------------------------------|
| %N2 | Digit value plus one pulses generated (0 |
| | digit generates 1 pulse). |
+------------------------------------------------------------+
+------------------------------------------------------------+
| REDIAL |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | AT [cmds] *Rn |
|--------------+---------------------------------------------|
| Example: | AT *R0<CR> |
|--------------+---------------------------------------------|
| Default: | 0 |
|--------------+---------------------------------------------|
| Range: | 0-9 |
|--------------+---------------------------------------------|
| Unit: | 1 redial |
|--------------+---------------------------------------------|
| Description: | Automatically redials next number n times. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| REDIAL ABORT |
|------------------------------------------------------------|
| Type: | Immediate |
|--------------+---------------------------------------------|
| Format: | AT [cmds] \H [cmds] |
|--------------+---------------------------------------------|
| Example: | AT \H<CR> |
|--------------+---------------------------------------------|
| Description: | Stops redial. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| REDIAL LAST NUMBER |
|------------------------------------------------------------|
| Type: | Immediate |
|--------------+---------------------------------------------|
| Format: | AT [cmds] *R |
|--------------+---------------------------------------------|
| Example: | AT *R<CR> |
|--------------+---------------------------------------------|
| Description: | Redials last number dialed. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| RESET MODEM TO STORED PROFILE |
|------------------------------------------------------------|
| Type: | Immediate |
|--------------+---------------------------------------------|
| Format: | AT [cmds] %Sn [cmds] |
|--------------+---------------------------------------------|
| Example: | AT%S6<CR> |
|--------------+---------------------------------------------|
| Description: | Resets modem to stored profile. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| RESULT CODE FORMAT |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | AT [cmds] \Vn [cmds] |
|--------------+---------------------------------------------|
| Example: | AT \V0 Q0<CR> |
|--------------+---------------------------------------------|
| Description: | Selects word or numeric format for |
| | information-text and result codes. |
|--------------+---------------------------------------------|
| Command | Function |
|--------------+---------------------------------------------|
| \V1 | Numeric format enabled. |
|--------------+---------------------------------------------|
| \V0 | Verbose (word) format enabled. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| ROAD INITIATE |
|------------------------------------------------------------|
| Type: | Immediate |
|--------------+---------------------------------------------|
| Format: | AT [cmds] *U [cmds] |
|--------------+---------------------------------------------|
| Example: | AT *B0 *U O<CR> |
|--------------+---------------------------------------------|
| Description: | Commands the modem to transmit stored |
| | Remote Access Options and Downloading key. |
| | The modem must have already connected. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| ROAD KEY CUSTOMIZE |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | AT [cmds] *A^x^x^x^x [cmds] |
|--------------+---------------------------------------------|
| Example: | AT *A^M^H^I^I &W<CR> |
|--------------+---------------------------------------------|
| Description: | Sets the key for Remote Options Access and |
| | Downloading (^ indicates ctrl key |
| | depressed). The default is ^R^O^A^D. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| ROAD KEY ENABLE |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | AT [cmds] *Bn [cmds] |
|--------------+---------------------------------------------|
| Example: | AT *B0 *U O<CR> |
|--------------+---------------------------------------------|
| Description: | Enables Remote Options Access and |
| | Downloading. |
|--------------+---------------------------------------------|
| Command | Function |
|--------------+---------------------------------------------|
| » *B0 | R.O.A.D. disabled. |
|--------------+---------------------------------------------|
| *B1 | R.O.A.D. enabled. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| S-REGISTER DISPLAY |
|------------------------------------------------------------|
| Type: | Immediate |
|--------------+---------------------------------------------|
| Format: | AT [cmds] %R [cmds] |
|--------------+---------------------------------------------|
| Example: | AT %R &W<CR> |
|--------------+---------------------------------------------|
| Description: | Display contents of all S-registers. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| SOFTWARE SETUP |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | AT [cmds] *Sn [cmds] |
|--------------+---------------------------------------------|
| Example: | AT *S1<CR> |
|--------------+---------------------------------------------|
| Description: | Configures modem to communicate with |
| | specific communications software. |
|--------------+---------------------------------------------|
| Command | Function |
|--------------+---------------------------------------------|
| » *S0 | Normal mode, Crosstalk compatible. |
|--------------+---------------------------------------------|
| *S1 | Smartcom II Ver. 3.0 compatible. |
|--------------+---------------------------------------------|
| *S3 | Smartcom III Ver. 1.0 compatible. |
|--------------+---------------------------------------------|
| *S4 | AS400 HDLC dialer EIA handler. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| TEST/BUSY OUT |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | AT [cmds] *Tn [cmds] |
|--------------+---------------------------------------------|
| Example: | AT *T1 &W<CR> |
|--------------+---------------------------------------------|
| Description: | Configures pin 25 for testing or busy out. |
|--------------+---------------------------------------------|
| Command | Function |
|--------------+---------------------------------------------|
| » *T0 | Disabled. |
|--------------+---------------------------------------------|
| *T1 | Enable ALB w/self test when pin 25 is true. |
|--------------+---------------------------------------------|
| *T2 | Enable busy out when pin 25 is true. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| TIME AND DATE DISPLAY |
|------------------------------------------------------------|
| Type: | Immediate |
|--------------+---------------------------------------------|
| Format: | AT [cmds] \D? [cmds] |
|--------------+---------------------------------------------|
| Example: | AT \D0=12:30 \D1=03/26 \D?<CR> |
|--------------+---------------------------------------------|
| Description: | Display time and date. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| TIME AND DATE SET |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | AT [cmds] \Dn=xxxx [cmds] |
|--------------+---------------------------------------------|
| Example: | AT \D0=12:30 \D1=03/26 \D?<CR> |
|--------------+---------------------------------------------|
| Description: | Sets time and date. |
|--------------+---------------------------------------------|
| Command | Function |
|--------------+---------------------------------------------|
| \D0 | Set time. |
|--------------+---------------------------------------------|
| \D1 | Set date. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| TURBO MODE |
|------------------------------------------------------------|
| Format | AT [cmds] S94;5=n [cmds] |
|-----------------+------------------------------------------|
| Example: | ATS94;5=1<CR> |
|-----------------+------------------------------------------|
| Default: | None |
|-----------------+------------------------------------------|
| Range: | 0-16 |
|-----------------+------------------------------------------|
| Unit: | Bit-mapped |
|-----------------+------------------------------------------|
| Description: | Allows 12Kbps connection with compatible |
| | remote modem. |
|------------------------------------------------------------|
| Bit | Value | Function |
|----------+-----------------------+-------------------------|
| 5 | 0 | Enabled. |
| | | |
| | 1 | Disabled. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| V.25 |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | AT [cmds] V.25 |
|--------------+---------------------------------------------|
| Example: | AT V.25<CR> |
|--------------+---------------------------------------------|
| Description: | Enables V.25bis mode. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| V.25bis COMMAND MODE SPEED |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | AT [cmds] *Wn [cmds] |
|--------------+---------------------------------------------|
| Example: | AT *W0 &W<CR> |
|--------------+---------------------------------------------|
| Description: | V.25bis mode only. DTE sets off line speed |
| | for sync command processing. |
|--------------+---------------------------------------------|
| Command | Function |
|--------------+---------------------------------------------|
| » *W0 | Last auto baud speed, 9600bps if none. |
|--------------+---------------------------------------------|
| *W1 | 1200bps. |
|--------------+---------------------------------------------|
| *W2 | 2400bps. |
|--------------+---------------------------------------------|
| *W3 | 4800bps. |
|--------------+---------------------------------------------|
| *W4 | 9600bps. |
|--------------+---------------------------------------------|
| *W5 | 19.2Kbps. |
|--------------+---------------------------------------------|
| *W6 | 38.4Kbps. |
|--------------+---------------------------------------------|
| *W7 | Use pin 24 external clock control. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| V.32bis FALLBACK |
|------------------------------------------------------------|
| Format | AT [cmds] S94=n [cmds] |
|----------------+-------------------------------------------|
| Example: | ATS94=40<CR> |
|----------------+-------------------------------------------|
| Default: | Unidentified |
|----------------+-------------------------------------------|
| Range: | 0 - 16 |
|----------------+-------------------------------------------|
| Unit: | Bit-mapped |
|----------------+-------------------------------------------|
| Description: | Controls limited V.32bis 12,000bps |
| | .operation |
|------------------------------------------------------------|
| Bit | Value | Function |
|----------+-------+-----------------------------------------|
| 0 | 0 | Not used. |
|----------+-------+-----------------------------------------|
| 1 | 0 | Not used. |
|----------+-------+-----------------------------------------|
| 2 | 0 | Not used. |
|----------+-------+-----------------------------------------|
| 3 | 0 | Not used. |
|----------+-------+-----------------------------------------|
| 4 | 0 | Not used. |
|----------+-------+-----------------------------------------|
| 5 | 0 | 12,000bps limited V.32bis capability |
| | | disabled. |
| | 1 | |
| | | 12,000bps limited V.32bis capability |
| | | enabled. |
+------------------------------------------------------------+
Proprietary V.25bis Command Set
+------------------------------------------------------------+
| AT COMMAND SET |
|------------------------------------------------------------|
| Type: | Immediate |
|--------------+---------------------------------------------|
| Format: | ATC |
|--------------+---------------------------------------------|
| Example: | ATC<CR> |
|--------------+---------------------------------------------|
| Description: | Switch to AT command set. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CALL REQUESTED NUMBER AND TRANSMIT STATION ID |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | CRI <#>;xxxx |
|--------------+---------------------------------------------|
| Example: | CRI 487-3289; 1234567890 <CR> |
|--------------+---------------------------------------------|
| Description: | Modem phone number, then transmits station |
| | ID after connection |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CLEAR STORED NUMBER |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | CLAnn |
|--------------+---------------------------------------------|
| Example: | CRI 07 <CR> |
|--------------+---------------------------------------------|
| Description: | Deletes number stored at memory location n. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DISPLAY STORED NUMBERS |
|------------------------------------------------------------|
| Type: | Immediate |
|--------------+---------------------------------------------|
| Format: | RLNn |
|--------------+---------------------------------------------|
| Example: | RLN2<CR> |
|--------------+---------------------------------------------|
| Description: | Display insecure number in memory location |
| | n. If no number is given, all insecure |
| | numbers will be displayed. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| REDIAL |
|------------------------------------------------------------|
| Type: | Immediate |
|--------------+---------------------------------------------|
| Format: | DLN |
|--------------+---------------------------------------------|
| Example: | DLN<CR> |
|--------------+---------------------------------------------|
| Description: | Redial last number dialed by CRN command. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| STATION ID SET |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | PRInnn;<#>;xxxx |
|--------------+---------------------------------------------|
| Example: | PRI 011; 487-3289; 1234567890 <CR> |
|--------------+---------------------------------------------|
| Description: | Records station ID |
+------------------------------------------------------------+
Proprietary V.25bis Result Codes
+------------------------------------------------------------+
| STATION ID LIST |
|------------------------------------------------------------|
| Type: | Result code |
|--------------+---------------------------------------------|
| Format: | LSIxxxx |
|--------------+---------------------------------------------|
| Example: | LSI 2345678901 |
|--------------+---------------------------------------------|
| Description: | Displays station ID. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| STORED NUMBERS LIST |
|------------------------------------------------------------|
| Type: | Result code |
|--------------+---------------------------------------------|
| Format: | LSNxxxx |
|--------------+---------------------------------------------|
| Example: | LSN 443-3388 |
|--------------+---------------------------------------------|
| Description: | Displays stored numbers. xxxx may specify a |
| | memory location, phone number, or status. |
| | If no code was specified with RLN, all |
| | stored numbers are displayed. |
+------------------------------------------------------------+