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# ELSA, INC.
MICROLINK 33.6TQV
Card Type Modem (asynchronous)
Chipset Unidentified
I/O Options Voice
Maximum Data Rate 33.6Kbps
Maximum Fax Rate 14.4Kbps
Data Modulation Bell 103A, 212A
ITU-T V.21, V.22, V.23, V.32, V.32bis,
V.34
Rockwell V.FC
Fax Modulation ITU-T V.17, V.27ter, V.29, V.33
Error MNP5, V.42, V.42bis
Correction/Compression
Fax Class Class I & II
Data Bus Serial
IMG IMG 1
+------------------------------------------------------------+
| CONNECTIONS |
|------------------------------------------------------------|
| Function | Label | Function | Label |
|------------------------+-------+-------------------+-------|
| Telephone line in | CN1 | DC power in | CN4 |
|------------------------+-------+-------------------+-------|
| Telephone line out | CN2 | Power switch | SW1 |
|------------------------+-------+-------------------+-------|
| Serial port | CN3 | | |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DIAGNOSTIC LED(S) |
|------------------------------------------------------------|
| LED | Color | Status | Condition |
|--------+--------+---------+--------------------------------|
| POWER | Red | On | Power is on |
|--------+--------+---------+--------------------------------|
| POWER | Red | Off | Power is off |
|--------+--------+---------+--------------------------------|
| TXD | Red | On | Modem is transmitting data |
|--------+--------+---------+--------------------------------|
| TXD | Red | Off | Modem is not transmitting data |
|--------+--------+---------+--------------------------------|
| RXD | Red | On | Modem is receiving data |
|--------+--------+---------+--------------------------------|
| RXD | Red | Off | Modem is not receiving data |
|--------+--------+---------+--------------------------------|
| DTR | Red | On | DTR signal is high |
|--------+--------+---------+--------------------------------|
| DTR | Red | Off | DTR signal is low |
|--------+--------+---------+--------------------------------|
| DSR | Red | On | DSR signal is high |
|--------+--------+---------+--------------------------------|
| DSR | Red | Off | DSR signal is low |
|--------+--------+---------+--------------------------------|
| RTS | Red | On | RTS signal is high |
|--------+--------+---------+--------------------------------|
| RTS | Red | Off | RTS signal is low |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DIAGNOSTIC LED(S) (CON'T) |
|------------------------------------------------------------|
| LED | Color | Status | Condition |
|-------+---------+----------+-------------------------------|
| CTS | Red | On | CTS signal is high |
|-------+---------+----------+-------------------------------|
| CTS | Red | Off | CTS signal is low |
|-------+---------+----------+-------------------------------|
| DCD | Red | On | Carrier signal detected |
|-------+---------+----------+-------------------------------|
| DCD | Red | Off | Carrier signal not detected |
|-------+---------+----------+-------------------------------|
| OH | Red | On | Modem is off-hook |
|-------+---------+----------+-------------------------------|
| OH | Red | Off | Modem is on-hook |
+------------------------------------------------------------+
+------------------------------------------------------------+
| SUPPORTED STANDARD COMMANDS |
|------------------------------------------------------------|
| Basic AT Commands |
|------------------------------------------------------------|
| +++, ‘comma’, A/ |
|------------------------------------------------------------|
| A, B, E, H, L, M, O, P, T, V, X, Z |
|------------------------------------------------------------|
| &D, &F, &S, &T, &V, &W, &Y, &Z |
|------------------------------------------------------------|
| Extended AT Commands |
|------------------------------------------------------------|
| \C, \J, \K, \N, \Q, \T, \X |
|------------------------------------------------------------|
| %A, %C, %E |
|------------------------------------------------------------|
| Special AT Commands |
|------------------------------------------------------------|
| -J |
|------------------------------------------------------------|
| S-Registers |
|------------------------------------------------------------|
| S0, S1, S2, S3, S4, S5, S6, S7, S8, S9, S10, S11, S12, |
| S16, S21, S22, S25, S26, S30, S38 |
|------------------------------------------------------------|
| Note: See MHI help file for complete information. |
+------------------------------------------------------------+
Proprietary AT Command Set
+------------------------------------------------------------+
| AUTO-RELIABLE FALLBACK CHARACTER |
|------------------------------------------------------------|
| Type: | Register |
|--------------+---------------------------------------------|
| Format: | AT [cmds] S47=n [cmds] |
|--------------+---------------------------------------------|
| Default: | 13 |
|--------------+---------------------------------------------|
| Range: | 0-127 |
|--------------+---------------------------------------------|
| Unit: | 1 ASCII character |
|--------------+---------------------------------------------|
| Description: | Sets the character used as the |
| | auto-reliable fallback character; S47=0 |
| | will disable this function. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| BIT-MAPPED REGISTER S14 |
|------------------------------------------------------------|
| Format: | AT [cmds] S14=n [cmds] |
|--------------+---------------------------------------------|
| Default: | 81 |
|--------------+---------------------------------------------|
| Range: | 0 - 254 |
|--------------+---------------------------------------------|
| Description: | Controls echo, result codes and display, |
| | dial mode, and answer/originate mode. |
|--------------+---------------------------------------------|
| Bit | Value | Function |
|------+-------+---------------------------------------------|
| 0 | í 0 | Not used. |
|------+-------+---------------------------------------------|
| 1 | 0 | Command echo disabled. |
| | | |
| | í 1 | Command echo enabled. |
|------+-------+---------------------------------------------|
| 2 | í 0 | Result codes enabled. |
| | | |
| | 1 | Result codes disabled. |
|------+-------+---------------------------------------------|
| 3 | 0 | Display result codes in numeric format. |
| | | |
| | í 1 | Display result codes in verbose format. |
|------+-------+---------------------------------------------|
| 4 | í 0 | Command set enabled. |
| | | |
| | 1 | Command set disabled. (See -H command for |
| | | more information.) |
|------+-------+---------------------------------------------|
| 5 | í 0 | Tone dial enabled. |
| | | |
| | 1 | Pulse dial enabled. |
|------+-------+---------------------------------------------|
| 6 | í 0 | Polling not allowed during connection |
| | | establishment. |
| | 1 | |
| | | Polling allowed during connection |
| | | establishment. |
|------+-------+---------------------------------------------|
| 7 | 0 | Answer mode enabled. |
| | | |
| | í 1 | Originate mode enabled. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| BIT-MAPPED REGISTER S27 |
|------------------------------------------------------------|
| Format: | AT [cmds] S27=n [cmds] |
|-----------------+------------------------------------------|
| Default: | 0 |
|-----------------+------------------------------------------|
| Range: | 0 - 192 |
|-----------------+------------------------------------------|
| Description: | Controls modulation protocol and |
| | duplexing. |
|------------------------------------------------------------|
| Bit | Value | Function |
|------------------------------------------------------------|
| 5 - 0 | 000000 | Not used. |
|-------------+-------------------+--------------------------|
| 6 | í 0 | ITU/T mode. |
| | | |
| | 1 | Bell mode. |
|-------------+-------------------+--------------------------|
| 7 | í 0 | Full-duplex mode. |
| | | |
| | 1 | Half-duplex mode. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| BIT-MAPPED REGISTER S28 |
|------------------------------------------------------------|
| Format: | AT [cmds] S28=n [cmds] |
|-----------------+------------------------------------------|
| Default: | 6 |
|-----------------+------------------------------------------|
| Range: | 0 - 239 |
|-----------------+------------------------------------------|
| Description: | Controls low DTR control, automatic |
| | retrain, bit rate tolerance, V.100 |
| | fallback, and data format. |
|------------------------------------------------------------|
| Bit | Value | Function |
|-----------+-------+----------------------------------------|
| 1, 0 | 00 | Modem set for 8 data bits in direct |
| | | mode. |
| | 01 | |
| | | Modem set for 9 data bits in direct |
| | í 10 | mode. |
| | | |
| | 11 | Modem set for 10 data bits in direct |
| | | mode. |
| | | |
| | | Modem set for 11 data bits in direct |
| | | mode. |
|------------------------------------------------------------|
| 3, 2 | 00 | Non-V.100 fallback enabled. |
| | | |
| | í | V.100 fallback enabled. |
| | 01 | |
| | | Fallback disabled. |
| | 10 | |
| | | V.100 fallback enabled. |
| | 11 | |
|--------------+-----+---------------------------------------|
| 4 | 0 | Not used. |
|--------------+-----+---------------------------------------|
| 5 | í 0 | Bit rate tolerance set to between |
| | | -2.5% and +1%. |
| | 1 | |
| | | Bit rate tolerance set to between |
| | | -2.5% and +2.3%. |
|--------------+-----+---------------------------------------|
| 6 | í 0 | Automatic retrain enabled. |
| | | |
| | 1 | Automatic retrain disabled. |
|--------------+-----+---------------------------------------|
| 7 | í 0 | Modem will not accept calls and |
| | | generate RING response when DTR is |
| | 1 | low. |
| | | |
| | | Modem will accept calls and generate |
| | | RING response when DTR is low. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| BIT-MAPPED REGISTER S29 |
|------------------------------------------------------------|
| Format: | AT [cmds] S29=n [cmds] |
|----------------+-------------------------------------------|
| Default: | 66 |
|----------------+-------------------------------------------|
| Range: | 0 - 247 |
|----------------+-------------------------------------------|
| Description: | Controls V.FC ID for V.8, trellis coding, |
| | V.32 clear down sequence, V.34 and V.FC |
| | rate re-negotiation, V.8 adaptation, |
| | asymmetric bit rates, and fallback to |
| | V.23. |
|------------------------------------------------------------|
| Bit | Value | Function |
|---------+-------+------------------------------------------|
| 0 | í 0 | Fallback to V.23 enabled. |
| | | |
| | 1 | Fallback to V.23 disabled. |
|---------+-------+------------------------------------------|
| 1 | 0 | Asymmetric bit rates disabled. |
| | | |
| | í 1 | Asymmetric bit rates enabled. |
|---------+-------+------------------------------------------|
| 2 | í 0 | V.8 adaptation enabled. |
| | | |
| | 1 | V.8 adaptation disabled. |
|------------------------------------------------------------|
| 3 | 0 | Not used. |
|-------------+----+-----------------------------------------|
| 4 | í | V.34 and V.FC rate re-negotiation |
| | 0 | enabled. |
| | | |
| | 1 | V.34 and V.FC rate re-negotiation |
| | | disabled. |
|-------------+----+-----------------------------------------|
| 5 | í | V.32 clear down sequence disabled. |
| | 0 | |
| | | V.32 clear down sequence enabled. |
| | 1 | |
|-------------+----+-----------------------------------------|
| 6 | 0 | Trellis coding in V.32 disabled. |
| | | |
| | í | Trellis coding in V.32 enabled. |
| | 1 | |
|-------------+----+-----------------------------------------|
| 7 | í | V.8 answer tone includes V.FC |
| | 0 | identification. |
| | | |
| | 1 | V.8 answer tone does not include V.FC |
| | | identification. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| BIT-MAPPED REGISTER S31 |
|------------------------------------------------------------|
| Format: | AT [cmds] S31=n [cmds] |
|----------------+-------------------------------------------|
| Default: | 0 |
|----------------+-------------------------------------------|
| Range: | 0 - 63 |
|----------------+-------------------------------------------|
| Description: | Controls guard tone, calling tone, manual |
| | dialing DTR connection, and DTR dialing. |
|------------------------------------------------------------|
| Bit | Value | Function |
|------------------------------------------------------------|
| 1, 0 | í | Guard tone disabled. |
| | 00 | |
| | | 550Hz guard tone enabled. |
| | 01 | |
| | | 1800Hz guard tone enabled. |
| | 10 | |
|------------------------------------------------------------|
| 2 | í 0 | Calling tone enabled. |
| | | |
| | 1 | Calling tone disabled. |
|---------+-------+------------------------------------------|
| 3 | í 0 | V.25 calling tone enabled. |
| | | |
| | 1 | V.8 calling tone enabled. |
|------------------------------------------------------------|
| 4 | í | Modem will not attempt to connect on |
| | 0 | high DTR. |
| | | |
| | 1 | Modem will attempt to connect on high |
| | | DTR. |
|-------------+----+-----------------------------------------|
| 5 | í | DTR dialing disabled. |
| | 0 | |
| | | DTR dialing enabled. |
| | 1 | |
+------------------------------------------------------------+
+------------------------------------------------------------+
| BIT-MAPPED REGISTER S33 |
|------------------------------------------------------------|
| Format: | AT [cmds] S33=n [cmds] |
|-----------------+------------------------------------------|
| Default: | 0 |
|-----------------+------------------------------------------|
| Range: | 0 - 14 |
|-----------------+------------------------------------------|
| Description: | Controls callback mode, callback trace, |
| | and remote configuration. |
|------------------------------------------------------------|
| Bit | Value | Function |
|------------------------------------------------------------|
| 0, 1 | í | Callback disabled. |
| | 00 | |
| | | Callback enabled; RING and CONNECT are |
| | 01 | displayed before login prompts. |
| | | |
| | 10 | Callback enabled; RING and CONNECT are |
| | | displayed after login prompts. |
|------------------------------------------------------------|
| 2 | í 0 | Callback trace disabled. |
| | | |
| | 1 | Callback trace enabled. |
|------------------------------------------------------------|
| 3 | í | Remote configuration disabled. |
| | 0 | |
| | | Remote configuration enabled. |
| | 1 | |
+------------------------------------------------------------+
+------------------------------------------------------------+
| BIT-MAPPED REGISTER S36 |
|------------------------------------------------------------|
| Format: | AT [cmds] S36=n [cmds] |
|----------------+-------------------------------------------|
| Default: | 131 |
|----------------+-------------------------------------------|
| Range: | 0 - 134 |
|----------------+-------------------------------------------|
| Description: | Controls connect mode and Selective |
| | Reject. |
|------------------------------------------------------------|
| Bit | Value | Function |
|----------+----------+--------------------------------------|
| 2 - 0 | 000 | Normal mode enabled. |
| | | |
| | 001 | Direct mode enabled. |
| | | |
| | 010 | MNP reliable mode enabled. |
| | | |
| | í 011 | Auto-reliable mode enabled. |
| | | |
| | 100 | V.42 reliable mode enabled. |
| | | |
| | 101 | V.42 auto-reliable mode enabled. |
| | | |
| | 110 | V.42 or MNP reliable mode enabled. |
|------------------------------------------------------------|
| 6 - 3 | 0000 | Not used. |
|-------------+------------+---------------------------------|
| 7 | í 0 | Selective Reject enabled. |
| | | |
| | 1 | Selective Reject disabled. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| BIT-MAPPED REGISTER S37 |
|------------------------------------------------------------|
| Format: | AT [cmds] S37=n [cmds] |
|----------------+-------------------------------------------|
| Default: | 19 |
|----------------+-------------------------------------------|
| Range: | 0 - 211 |
|----------------+-------------------------------------------|
| Description: | Controls line, modem, and serial port |
| | speed options. |
|------------------------------------------------------------|
| Bit | Value | Function |
|----------+-------+-----------------------------------------|
| 4 - 0 | 00001 | Set line speed to 75/1200bps. |
| | | |
| | 00010 | Set line speed to 1200/75bps. |
| | | |
| | 00011 | Set line speed to 300bps. |
| | | |
| | 00101 | Set line speed to 1200bps. |
| | | |
| | 00110 | Set line speed to 2400bps. |
| | | |
| | 00111 | Set line speed to 4800bps. |
| | | |
| | 01000 | Set line speed to 7200bps. |
| | | |
| | 01001 | Set line speed to 9600bps. |
| | | |
| | 01010 | Set line speed to 12Kbps. |
| | | |
| | 01011 | Set line speed to 14.4Kbps. |
| | | |
| | 01100 | Set line speed to 16.8Kbps. |
| | | |
| | 01101 | Set line speed to 19.2Kbps. |
| | | |
| | 01110 | Set line speed to 21.6Kbps. |
| | | |
| | 01111 | Set line speed to 24Kbps. |
| | | |
| | 10000 | Set line speed to 26.4Kbps. |
| | | |
| | 10001 | Set line speed to 28.8Kbps. |
| | | |
| | 10010 | Set line speed to 31.2Kbps. |
| | | |
| | í | Set line speed to 33.6Kbps. |
| | 10011 | |
|------------------------------------------------------------|
| 5 | 0 | Not used. |
|-------------+-----+----------------------------------------|
| 6 | í 0 | Modem port speed changed |
| | | automatically. |
| | 1 | |
| | | User must change modem port speed with |
| | | %B command. |
|-------------+-----+----------------------------------------|
| 7 | í 0 | Serial port speed follows connect |
| | | speed. |
| | 1 | |
| | | Serial port speed locked. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| BIT-MAPPED REGISTER S48 |
|------------------------------------------------------------|
| Format: | AT [cmds] S48=n [cmds] |
|----------------+-------------------------------------------|
| Default: | 164 |
|----------------+-------------------------------------------|
| Range: | 0 - 180 |
|----------------+-------------------------------------------|
| Description: | Controls V.42 detection phase, |
| | auto-reliable time buffer, and break |
| | type. |
|------------------------------------------------------------|
| Bit | Value | Function |
|------------------------------------------------------------|
| 1 - 0 | 00 | Not used. |
|------------------------------------------------------------|
| 2 | 0 | V.42 detection phase disabled. |
| | | |
| | í 1 | V.42 detection phase enabled. |
|------------------------------------------------------------|
| 4, 3 | í | Data is discarded during auto-reliable |
| | 00 | time. |
| | | |
| | 01 | Data is buffered for 4 seconds or 200 |
| | | characters during auto-reliable time. |
| | 10 | |
| | | Data is discarded during auto-reliable |
| | | time; modem returns to normal mode on |
| | | receiving auto-reliable fallback |
| | | character. |
|-------------+-----+----------------------------------------|
| 7 - 5 | 000 | \K0 is selected. |
| | | |
| | 001 | \K1 is selected. |
| | | |
| | 010 | \K2 is selected. |
| | | |
| | 011 | \K3 is selected. |
| | | |
| | 100 | \K4 is selected. |
| | | |
| | í | \K5 is selected. |
| | 101 | |
+------------------------------------------------------------+
+------------------------------------------------------------+
| BIT-MAPPED REGISTER S87 |
|------------------------------------------------------------|
| Format: | AT [cmds] S87? [cmds] |
|----------------+-------------------------------------------|
| Default: | Read-only |
|----------------+-------------------------------------------|
| Range: | 0 - 211 |
|----------------+-------------------------------------------|
| Description: | Returns a value indicating current |
| | transmit line speed, fax mode connection, |
| | and modulation protocol type. |
|------------------------------------------------------------|
| Bit | Value | Meaning |
|-----------+-------+----------------------------------------|
| 4 - 0 | 00001 | Transmit line speed is 75/1200bps. |
| | | |
| | 00010 | Transmit line speed is 1200/75bps. |
| | | |
| | 00011 | Transmit line speed is 300bps. |
| | | |
| | 00101 | Transmit line speed is 1200bps. |
| | | |
| | 00110 | Transmit line speed is 2400bps. |
| | | |
| | 00111 | Transmit line speed is 4800bps. |
| | | |
| | 01000 | Transmit line speed is 7200bps. |
| | | |
| | 01001 | Transmit line speed is 9600bps. |
| | | |
| | 01010 | Transmit line speed is 12Kbps. |
| | | |
| | 01011 | Transmit line speed is 14.4Kbps. |
| | | |
| | 01100 | Transmit line speed is 16.8Kbps. |
| | | |
| | 01101 | Transmit line speed is 19.2Kbps. |
| | | |
| | 01110 | Transmit line speed is 21.6Kbps. |
| | | |
| | 01111 | Transmit line speed is 24Kbps. |
| | | |
| | 10000 | Transmit line speed is 26.4Kbps. |
| | | |
| | 10001 | Transmit line speed is 28.8Kbps. |
| | | |
| | 10010 | Transmit line speed is 31.2Kbps. |
| | | |
| | 10011 | Transmit line speed is 33.6Kbps. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| BIT-MAPPED REGISTER S87 (CON'T) |
|------------------------------------------------------------|
| Bit | Value | Meaning |
|------------------------------------------------------------|
| 5 | 0 | Not used. |
|----------+----+--------------------------------------------|
| 6 | 0 | Modem is not connected in fax mode. |
| | | |
| | 1 | Modem is connected in fax mode. |
|----------+----+--------------------------------------------|
| 7 | 0 | ITU-T protocols selected. |
| | | |
| | 1 | Bell protocols selected. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| BIT-MAPPED REGISTER S88 |
|------------------------------------------------------------|
| Format: | AT [cmds] S88? [cmds] |
|----------------+-------------------------------------------|
| Default: | Read-only |
|----------------+-------------------------------------------|
| Range: | |
|----------------+-------------------------------------------|
| Description: | Returns a value indicating |
|------------------------------------------------------------|
| Bit | Value | Meaning |
|---------+-------+------------------------------------------|
| 0 | 0 | Modem is not connected with MNP1 through |
| | | MNP4. |
| | 1 | |
| | | Modem is connected with MNP1 through |
| | | MNP4. |
|------------------------------------------------------------|
| 1 | 0 | Modem is not connected with MNP5. |
| | | |
| | 1 | Modem is connected with MNP5. |
|-------------+----+-----------------------------------------|
| 2 | 0 | Modem is not connected with V.42. |
| | | |
| | 1 | Modem is connected with V.42. |
|-------------+----+-----------------------------------------|
| 3 | 0 | Modem is not connected with V.42bis. |
| | | |
| | 1 | Modem is connected with V.42bis. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| BIT-MAPPED REGISTER S89 |
|------------------------------------------------------------|
| Format: | AT [cmds] S89? [cmds] |
|-----------------+------------------------------------------|
| Default: | Read-only |
|-----------------+------------------------------------------|
| Range: | 0 - 211 |
|-----------------+------------------------------------------|
| Description: | Returns a value indicating current |
| | receive line speed and modulation |
| | protocol. |
|------------------------------------------------------------|
| Bit | Value | Meaning |
|------------+-------+---------------------------------------|
| 4 - 0 | 00001 | Receive line speed is 75/1200bps. |
| | | |
| | 00010 | Receive line speed is 1200/75bps. |
| | | |
| | 00011 | Receive line speed is 300bps. |
| | | |
| | 00101 | Receive line speed is 1200bps. |
| | | |
| | 00110 | Receive line speed is 2400bps. |
| | | |
| | 00111 | Receive line speed is 4800bps. |
| | | |
| | 01000 | Receive line speed is 7200bps. |
| | | |
| | 01001 | Receive line speed is 9600bps. |
| | | |
| | 01010 | Receive line speed is 12Kbps. |
| | | |
| | 01011 | Receive line speed is 14.4Kbps. |
| | | |
| | 01100 | Receive line speed is 16.8Kbps. |
| | | |
| | 01101 | Receive line speed is 19.2Kbps. |
| | | |
| | 01110 | Receive line speed is 21.6Kbps. |
| | | |
| | 01111 | Receive line speed is 24Kbps. |
| | | |
| | 10000 | Receive line speed is 26.4Kbps. |
| | | |
| | 10001 | Receive line speed is 28.8Kbps. |
| | | |
| | 10010 | Receive line speed is 31.2Kbps. |
| | | |
| | 10011 | Receive line speed is 33.6Kbps. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| BIT-MAPPED REGISTER S89 (CON'T) |
|------------------------------------------------------------|
| Bit | Value | Meaning |
|------------------------------------------------------------|
| 7 - 5 | 000 | Modulation protocol in use is V.23. |
| | | |
| | 001 | Modulation protocol in use is V.21. |
| | | |
| | 010 | Modulation protocol in use is V.22bis. |
| | | |
| | 011 | Modulation protocol in use is V.32. |
| | | |
| | 100 | Modulation protocol in use is V.32bis. |
| | | |
| | 101 | Modulation protocol in use is V.FC. |
| | | |
| | 110 | Modulation protocol in use is V.34. |
| | | |
| | 111 | Modulation protocol in use is V.34 with |
| | | asymmetric bit rates. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| BIT-MAPPED REGISTER S95 |
|------------------------------------------------------------|
| Format: | AT [cmds] S95=n [cmds] |
|-----------------+------------------------------------------|
| Default: | 8 |
|-----------------+------------------------------------------|
| Range: | 0 - 184 |
|-----------------+------------------------------------------|
| Description: | Controls result code options and CONNECT |
| | response after invalid escape sequence. |
|------------------------------------------------------------|
| Bit | Value | Function |
|------------------------------------------------------------|
| 3 - 0 | 0000 | Extended result codes disabled. |
| | | |
| | 0001 | /REL extended result codes enabled. |
| | | |
| | 0010 | LAPM and MNP extended result codes |
| | | enabled. |
| | í | |
| | 1000 | V.42bis, MNP5, and modulation |
| | | protocol (if selected with S96) |
| | | extended result codes enabled. |
|-------------+------+---------------------------------------|
| 4 | í 0 | Modem uses \V command to select |
| | | extended result codes. |
| | 1 | |
| | | Modem always displays extended result |
| | | codes. |
|-------------+------+---------------------------------------|
| 5 | í 0 | Modem will send CONNECT response |
| | | after invalid escape sequence. |
| | 1 | |
| | | Modem will not send CONNECT response |
| | | after invalid escape sequence. |
|-------------+------+---------------------------------------|
| 7, 6 | í 00 | Result codes enabled. |
| | | |
| | 01 | Result codes disabled. |
| | | |
| | 10 | Result codes disabled in answer mode. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| BIT-MAPPED REGISTER S96 |
|------------------------------------------------------------|
| Format: | AT [cmds] S96=n [cmds] |
|-----------------+------------------------------------------|
| Default: | 8 |
|-----------------+------------------------------------------|
| Range: | 0 - 110 |
|-----------------+------------------------------------------|
| Description: | Controls register display, end-of-page |
| | prompting, modem language, bit rate |
| | display, and \V8 result code format. |
|------------------------------------------------------------|
| Bit | Value | Function |
|-----------+-------+----------------------------------------|
| 1, 0 | í 00 | Modem will display register values in |
| | | decimal. |
| | 01 | |
| | | Modem will display register values in |
| | 10 | hexadecimal. |
| | | |
| | | Modem will display register values in |
| | | binary. |
|------------------------------------------------------------|
| 2 | í 0 | Modem will prompt user to press a key |
| | | after a full page of text. |
| | 1 | |
| | | Modem will not prompt user to press a |
| | | key after a full page of text. |
|--------------+-----+---------------------------------------|
| 3 | 0 | Modem text displayed in German. |
| | | |
| | í 1 | Modem text displayed in English. |
|--------------+-----+---------------------------------------|
| 4 | 0 | Not used. |
|--------------+-----+---------------------------------------|
| 5 | í 0 | Modem will display transmit bit rate. |
| | | |
| | 1 | Modem will display both transmit and |
| | | receive bit rate. |
|--------------+-----+---------------------------------------|
| 6 | í 0 | Modem will display only error |
| | | correction and compression result |
| | 1 | codes with \V8. |
| | | |
| | | Modem will display error correction, |
| | | compression, and modulation result |
| | | codes with \V8. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| BIT-MAPPED REGISTER S130 |
|------------------------------------------------------------|
| Format: | AT [cmds] S130=n [cmds] |
|-----------------+------------------------------------------|
| Default: | 4 |
|-----------------+------------------------------------------|
| Range: | 0 - 220 |
|-----------------+------------------------------------------|
| Description: | Controls T.4 bit order, fax mode, fill |
| | bit removal, fax mode flow control, and |
| | V.17 modulation. |
|------------------------------------------------------------|
| Bit | Value | Function |
|------------------------------------------------------------|
| 1, 0 | 00 | Not used. |
|------------------------------------------------------------|
| 2 | 0 | T.4 bit order for Class 2 fax receive |
| | | reversed. |
| | í 1 | |
| | | T.4 bit order for Class 2 fax receive |
| | | normal. |
|------------------------------------------------------------|
| 3 | í 0 | Modem is in normal fax mode. |
| | | |
| | 1 | Modem is in Elsa TransFax mode. |
|--------------+-----+---------------------------------------|
| 4 | í 0 | Fill bits are removed from T.4 data. |
| | | |
| | 1 | Fill bits are not removed from T.4 |
| | | data. |
|--------------+-----+---------------------------------------|
| 5 | 0 | Not used. |
|--------------+-----+---------------------------------------|
| 6 | í 0 | Unidirectional CTS and XON/XOFF flow |
| | | control enabled. |
| | 1 | |
| | | Flow control set by \Q command. |
|--------------+-----+---------------------------------------|
| 7 | í 0 | V.17 fax modulation enabled. |
| | | |
| | 1 | V.17 fax modulation disabled. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CALL FAILURE INDICATION |
|------------------------------------------------------------|
| Type: | Register (read-only) |
|--------------+---------------------------------------------|
| Format: | AT [cmds] S86? [cmds] |
|--------------+---------------------------------------------|
| Description: | Returns a value indicating the cause of the |
| | last disconnect. |
|--------------+---------------------------------------------|
| Value | Meaning |
|--------------+---------------------------------------------|
| 0 | Normal disconnection, no error occurred. |
|--------------+---------------------------------------------|
| 4 | Loss of carrier occurred. |
|--------------+---------------------------------------------|
| 5 | Negotiation phase failed; modem at remote |
| | station has no error correction. |
|--------------+---------------------------------------------|
| 6 | Remote modem is not answering protocol |
| | requests. |
|--------------+---------------------------------------------|
| 7 | Remote modem is only functioning |
| | synchronously. |
|--------------+---------------------------------------------|
| 8 | Modems could not find a common framing |
| | scheme. |
|--------------+---------------------------------------------|
| 9 | Modems could not find a common protocol. |
|--------------+---------------------------------------------|
| 10 | Remote modem is sending incorrect protocol |
| | requests. |
|--------------+---------------------------------------------|
| 11 | Synchronous information is missing; |
| | connection terminated after 30 seconds. |
|--------------+---------------------------------------------|
| 12 | Normal disconnect initiated by the remote |
| | modem. |
|--------------+---------------------------------------------|
| 13 | Remote modem is no longer answering; |
| | connection terminated after 10 |
| | re-transmissions. |
|--------------+---------------------------------------------|
| 14 | Protocol violation occurred. |
|--------------+---------------------------------------------|
| 15 | Compression error occurred. |
|--------------+---------------------------------------------|
| 16 | Inactivity timer has elapsed. |
|--------------+---------------------------------------------|
| 17 | No loop current detected. |
|--------------+---------------------------------------------|
| 20 | Busy tone detected. |
|--------------+---------------------------------------------|
| 21 | No dial tone detected. |
|--------------+---------------------------------------------|
| 22 | No answer tone detected. |
|--------------+---------------------------------------------|
| 23 | No connection reached, connection timed |
| | out, or wrong modulation type. |
|--------------+---------------------------------------------|
| 24 | Fallback not permitted because of AT%L2; |
| | connection terminated. |
|--------------+---------------------------------------------|
| 25 | No modem or fax is answering at the number |
| | called. |
|--------------+---------------------------------------------|
| 30 | ATH was entered online. |
|--------------+---------------------------------------------|
| 31 | ATZ was entered online. |
|--------------+---------------------------------------------|
| 32 | AT&T0 was entered - modem is in analog |
| | loopback test. |
|--------------+---------------------------------------------|
| 33 | Keystroke received during handshaking. |
|--------------+---------------------------------------------|
| 34 | DTR signal dropped. |
|--------------+---------------------------------------------|
| 60 | V.32/V32bis handshake signal AA, CC, AC or |
| | CA missing. |
|--------------+---------------------------------------------|
| 61 | V.32/V.32bis handshake signal R1, R2 or R3 |
| | missing. |
|--------------+---------------------------------------------|
| 62 | V.32/V.32bis handshake signal S missing. |
|--------------+---------------------------------------------|
| 63 | V.32/V.32bis handshake signal transition |
| | from S to \S missing. |
|--------------+---------------------------------------------|
| 64 | V.32/V.32bis handshake signal E missing. |
|--------------+---------------------------------------------|
| 68 | No answer to automatic retrain. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CALLBACK |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | AT [cmds] $Bn [cmds] |
|--------------+---------------------------------------------|
| Description: | Selects what type of callback procedure is |
| | used. |
|--------------+---------------------------------------------|
| Command | Function |
|--------------+---------------------------------------------|
| í $B0 | Callback disabled. |
|--------------+---------------------------------------------|
| $B1 | Callback enabled; RING and CONNECT result |
| | codes are displayed before login prompts. |
|--------------+---------------------------------------------|
| $B2 | Callback enabled; RING and CONNECT result |
| | codes are displayed after login prompts. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CALLBACK DELAY |
|------------------------------------------------------------|
| Type: | Register |
|--------------+---------------------------------------------|
| Format: | AT [cmds] S43=n [cmds] |
|--------------+---------------------------------------------|
| Default: | 1 |
|--------------+---------------------------------------------|
| Range: | 0 - 2 |
|--------------+---------------------------------------------|
| Unit: | 1 minute |
|--------------+---------------------------------------------|
| Description: | Sets the amount of time that must elapse |
| | before the modem will attempt a callback |
| | sequence. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CALLBACK - MAXIMUM CALLBACK ATTEMPTS |
|------------------------------------------------------------|
| Type: | Register |
|--------------+---------------------------------------------|
| Format: | AT [cmds] S35=n [cmds] |
|--------------+---------------------------------------------|
| Default: | 3 |
|--------------+---------------------------------------------|
| Range: | 1 - 99 |
|--------------+---------------------------------------------|
| Unit: | 1 callback |
|--------------+---------------------------------------------|
| Description: | Sets the maximum number of callback |
| | attempts the modem will perform. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CALLBACK TRACE |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | AT [cmds] $Tn [cmds] |
|--------------+---------------------------------------------|
| Description: | Selects whether the progress of callback |
| | procedures will be displayed as a |
| | diagnostic tool. |
|--------------+---------------------------------------------|
| Command | Function |
|--------------+---------------------------------------------|
| í $T0 | Callback trace disabled. |
|--------------+---------------------------------------------|
| $T1 | Callback trace enabled. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| COMMAND SET |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | AT [cmds] -Hn [cmds] |
|--------------+---------------------------------------------|
| Description: | Selects whether the modem will generate |
| | result codes and accept commands. When the |
| | command set is disabled, the modem will |
| | still accept the -H and D commands, and |
| | will act as if S0=1. |
|--------------+---------------------------------------------|
| Command | Function |
|--------------+---------------------------------------------|
| í -H0 | Command set enabled. |
|--------------+---------------------------------------------|
| -H1 | Command set disabled. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| COMPRESSION |
|------------------------------------------------------------|
| Type: | Register |
|--------------+---------------------------------------------|
| Format: | AT [cmds] S46=n [cmds] |
|--------------+---------------------------------------------|
| Description: | Selects data compression. |
|--------------+---------------------------------------------|
| Command | Function |
|--------------+---------------------------------------------|
| S46=0 | Data compression disabled. |
|--------------+---------------------------------------------|
| S46=1 | MNP5 enabled. |
|--------------+---------------------------------------------|
| S46=2 | V.42bis enabled. |
|--------------+---------------------------------------------|
| í S46=3 | MNP5 and V.42bis enabled. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CTS, DCD, AND DSR SIGNALS |
|------------------------------------------------------------|
| Format: | AT [cmds] S52=n [cmds] |
|----------------+-------------------------------------------|
| Default: | 4 |
|----------------+-------------------------------------------|
| Range: | 0 - 11 |
|----------------+-------------------------------------------|
| Description: | Controls the behaviour of the CTS, DCD, |
| | and DSR signals. |
|------------------------------------------------------------|
| Bit | Value | Function |
|---------+-------+------------------------------------------|
| 0 | í 0 | DSR forced high. |
| | | |
| | 1 | DSR normal. |
|---------+-------+------------------------------------------|
| 1 | í 0 | CTS forced high. |
| | | |
| | 1 | CTS normal. |
|------------------------------------------------------------|
| 3, 2 | 00 | DCD forced high. |
| | | |
| | í | DCD forced high after carrier signal is |
| | 01 | detected. |
| | | |
| | 10 | DCD forced high except at disconnect. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DATA FORMAT |
|------------------------------------------------------------|
| Type: | Register |
|--------------+---------------------------------------------|
| Format: | AT [cmds] S53=n [cmds] |
|--------------+---------------------------------------------|
| Description: | Controls the data length, parity, and stop |
| | bit for the local serial port. |
|--------------+---------------------------------------------|
| Command | Function |
|--------------+---------------------------------------------|
| í S53=0 | Data format set to 8N1, 7E1, 7O1, or 7N2. |
|--------------+---------------------------------------------|
| S53=1 | Data format set to 8E1 |
|--------------+---------------------------------------------|
| S53=2 | Data format set to 8O1 |
|--------------+---------------------------------------------|
| S53=3 | Data format set to 8N2 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DCD SIGNAL |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | AT [cmds] &Cn [cmds] |
|--------------+---------------------------------------------|
| Description: | Controls the behaviour of the DCD signal. |
|--------------+---------------------------------------------|
| Command | Function |
|--------------+---------------------------------------------|
| í &C0 | DCD forced high. |
|--------------+---------------------------------------------|
| &C1 | DCD forced high after carrier signal is |
| | detected. |
|--------------+---------------------------------------------|
| &C2 | DCD forced high except at disconnect. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DIAL |
|------------------------------------------------------------|
| Type: | Immediate |
|--------------+---------------------------------------------|
| Format: | AT [cmds] D<#> [cmds] |
|--------------+---------------------------------------------|
| Description: | Dials the telephone number indicated |
| | according to any modifiers included in the |
| | string. |
|--------------+---------------------------------------------|
| Command | Function |
|--------------+---------------------------------------------|
| DL | Re-dial last number. |
|--------------+---------------------------------------------|
| DM | Make a LAPM reliable mode connection this |
| | call. |
|--------------+---------------------------------------------|
| DP | Pulse dialing enabled. |
|--------------+---------------------------------------------|
| DQ | Make an LAPM auto-reliable mode connection |
| | this call. |
|--------------+---------------------------------------------|
| DSn | Dial stored telephone number n. |
|--------------+---------------------------------------------|
| DT | Tone dialing enabled. |
|--------------+---------------------------------------------|
| DV | Make an LAPM or MNP reliable mode |
| | connection this call. |
|--------------+---------------------------------------------|
| DW | Dialing resumed following dial tone |
| | detection. |
|--------------+---------------------------------------------|
| DX | Make an auto-reliable mode connection this |
| | call. |
|--------------+---------------------------------------------|
| DY | Make an MNP reliable mode connection this |
| | call. |
|--------------+---------------------------------------------|
| DZ | Make a normal mode connection this call. |
|--------------+---------------------------------------------|
| D, | Dialing paused for amount of time specified |
| | in S8 register. |
|--------------+---------------------------------------------|
| D< | Dialing paused for 1 second. |
|--------------+---------------------------------------------|
| D/n | Dial stored telephone number n. |
|--------------+---------------------------------------------|
| D! | Flash function initiated. Modem commanded |
| | to go off-hook for specified time before |
| | returning on-hook. |
|--------------+---------------------------------------------|
| D@ | Wait for Quiet Answer function enabled. |
| | Modem waits until a "quiet answer," a |
| | ring-back signal followed by silence up to |
| | the time specified in S7, is received prior |
| | to executing the rest of the dial string. |
|--------------+---------------------------------------------|
| D& | Flash function initiated. Modem commanded |
| | to go off-hook for specified time before |
| | returning on-hook. |
|--------------+---------------------------------------------|
| D= | Dialing paused for 3 seconds. |
|--------------+---------------------------------------------|
| D[ | Flash function initiated. Modem commanded |
| | to go off-hook for specified time before |
| | returning on-hook. |
|--------------+---------------------------------------------|
| D; | Modem returned to idle state after dialing. |
| | The semicolon can only be placed at the end |
| | of the dial command. |
|--------------+---------------------------------------------|
| D: | Dialing resumed following dial tone |
| | detection. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DISCONNECT BUFFER DELAY |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format | AT [cmds] %Dn [cmds] |
|--------------+---------------------------------------------|
| Default: | 0 |
|--------------+---------------------------------------------|
| Range: | 0-255 |
|--------------+---------------------------------------------|
| Unit: | 1 second |
|--------------+---------------------------------------------|
| Description: | Sets maximum duration allowed during |
| | buffered data calls for modem to perform |
| | clearing functions after losing |
| | carrier-signal or receiving a clear call |
| | signal from the remote modem and before |
| | initiating hang-up process. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DISPLAY CONFIGURATION |
|------------------------------------------------------------|
| Type: | Immediate |
|--------------+---------------------------------------------|
| Format: | AT [cmds] \Sn [cmds] |
|--------------+---------------------------------------------|
| Description: | Displays the settings of all commands. |
|------------------------------------------------------------|
| Command | Function |
|---------------+--------------------------------------------|
| \S0 | Displays all command settings. |
|---------------+--------------------------------------------|
| \S1 | Displays all command settings. |
|---------------+--------------------------------------------|
| \S2 | Displays line and host interface, |
| | protocol, and result code/speaker command |
| | settings. |
|---------------+--------------------------------------------|
| \S3 | Displays host interface, protocol, and |
| | result code/speaker command settings. |
|---------------+--------------------------------------------|
| \S4 | Displays host interface and result |
| | code/speaker command settings. |
|---------------+--------------------------------------------|
| \S5 | Displays result code/speaker command |
| | settings. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DISPLAY FIRMWARE VERSION |
|------------------------------------------------------------|
| Type: | Immediate |
|--------------+---------------------------------------------|
| Format: | AT [cmds] %V [cmds] |
|--------------+---------------------------------------------|
| Description: | Displays the current firmware version. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DISPLAY INFORMATION |
|------------------------------------------------------------|
| Type: | Immediate |
|--------------+---------------------------------------------|
| Format: | AT [cmds] In [cmds] |
|--------------+---------------------------------------------|
| Description: | Displays information requested about the |
| | modem. |
|--------------+---------------------------------------------|
| Command | Function |
|--------------+---------------------------------------------|
| I0 | Displays product identification code. |
|--------------+---------------------------------------------|
| I1 | Displays ROM checksum. |
|--------------+---------------------------------------------|
| I2 | Tests and displays ROM checksum result. |
|--------------+---------------------------------------------|
| I3 | Displays firmware revision. |
|--------------+---------------------------------------------|
| I4 | Displays configuration. |
|--------------+---------------------------------------------|
| I5 | Displays serial number. |
|--------------+---------------------------------------------|
| I6 | Displays product name. |
|--------------+---------------------------------------------|
| I7 | Displays result of power-up self-test. |
|--------------+---------------------------------------------|
| I9 | Displays Plug-N-Play information. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DISPLAY REGISTERS |
|------------------------------------------------------------|
| Type: | Immediate |
|--------------+---------------------------------------------|
| Format: | AT [cmds] %R [cmds] |
|--------------+---------------------------------------------|
| Description: | Displays all status registers. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DISPLAY STORED NUMBERS |
|------------------------------------------------------------|
| Type: | Immediate |
|--------------+---------------------------------------------|
| Format: | AT [cmds] \F [cmds] |
|--------------+---------------------------------------------|
| Description: | Displays all stored telephone numbers. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DSR AND CTS SIGNALS |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | AT [cmds] \Dn [cmds] |
|--------------+---------------------------------------------|
| Description: | Controls the behaviour of the DSR and CTS |
| | signals. |
|--------------+---------------------------------------------|
| Command | Function |
|--------------+---------------------------------------------|
| í \D0 | DSR and CTS forced high. |
|--------------+---------------------------------------------|
| \D1 | DSR normal, CTS forced high. |
|--------------+---------------------------------------------|
| \D2 | DSR forced high, CTS follow CD. |
|--------------+---------------------------------------------|
| \D3 | DSR normal, CTS forced high. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DTR DIALING |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | AT [cmds] $Dn [cmds] |
|--------------+---------------------------------------------|
| Description: | Selects whether the modem will use DTR |
| | dialing. |
|--------------+---------------------------------------------|
| Command | Function |
|--------------+---------------------------------------------|
| í $D0 | DTR dialing disabled. |
|--------------+---------------------------------------------|
| $D1 | DTR dialing enabled. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| EXTENDED RESULT CODE SELECTION |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | AT [cmds] -Mn [cmds] |
|--------------+---------------------------------------------|
| Description: | Selects whether the modem will use the \V |
| | command to select extended result codes. |
|--------------+---------------------------------------------|
| Command | Function |
|--------------+---------------------------------------------|
| í -M0 | Modem uses \V command to select extended |
| | result codes. |
|--------------+---------------------------------------------|
| -M1 | Modem always displays extended result |
| | codes. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| EXTENDED RESULT CODES |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | AT [cmds] \Vn [cmds] |
|--------------+---------------------------------------------|
| Description: | Selects extended result codes. |
|--------------+---------------------------------------------|
| Command | Function |
|--------------+---------------------------------------------|
| \V0 | Extended result codes disabled. |
|--------------+---------------------------------------------|
| \V1 | /REL extended result codes enabled. |
|--------------+---------------------------------------------|
| \V2 | LAPM and MNP extended result codes enabled. |
|--------------+---------------------------------------------|
| í \V8 | V.42bis, MNP5, and modulation protocol (if |
| | selected with S96) extended result codes |
| | enabled. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| FLOW CONTROL OPTIONS |
|------------------------------------------------------------|
| Format: | AT [cmds] S51=n [cmds] |
|----------------+-------------------------------------------|
| Default: | 3 |
|----------------+-------------------------------------------|
| Range: | 0 - 20 |
|----------------+-------------------------------------------|
| Description: | Controls flow control type and XON/XOFF |
| | pass-through. |
|------------------------------------------------------------|
| Bit | Value | Function |
|----------+-------+-----------------------------------------|
| 2 - 0 | 000 | Flow control disabled. |
| | | |
| | 001 | Bidirectional XON/XOFF flow control |
| | | enabled. |
| | 010 | |
| | | CTS flow control by DCE enabled. |
| | í 011 | |
| | | Bidirectional RTS/CTS flow control |
| | 100 | enabled. |
| | | |
| | | Unidirectional XON/XOFF flow control by |
| | | DCE enabled. |
|------------------------------------------------------------|
| 3 | 0 | Not used. |
|-------------+-------+--------------------------------------|
| 4 | í 0 | XON/XOFF signals trapped by local |
| | | modem. |
| | 1 | |
| | | XON/XOFF signals passed through by |
| | | local modem. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| GUARD TONE AND CALLING TONE |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | AT [cmds] &Gn [cmds] |
|--------------+---------------------------------------------|
| Description: | Commands the modem to transmit a calling |
| | tone, and a guard tone in V.22 or V.22bis |
| | modes. |
|--------------+---------------------------------------------|
| Command | Function |
|--------------+---------------------------------------------|
| í &G0 | Guard tone disabled, calling tone enabled. |
|--------------+---------------------------------------------|
| &G1 | 550Hz guard tone and calling tone enabled. |
|--------------+---------------------------------------------|
| &G2 | 1800Hz guard tone and calling tone enabled. |
|--------------+---------------------------------------------|
| &G4 | Guard and calling tones disabled. |
|--------------+---------------------------------------------|
| &G5 | 550Hz guard tone enabled, calling tone |
| | disabled. |
|--------------+---------------------------------------------|
| &G6 | 1800Hz guard tone enabled, calling tone |
| | disabled. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| INVALID ESCAPE SEQUENCE RESULT CODE |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | AT [cmds] *Qn [cmds] |
|--------------+---------------------------------------------|
| Description: | Selects whether the modem will send a |
| | CONNECT response when an invalid escape |
| | sequence has been entered. |
|--------------+---------------------------------------------|
| Command | Function |
|--------------+---------------------------------------------|
| í *Q0 | Modem will send CONNECT response. |
|--------------+---------------------------------------------|
| *Q1 | Modem will not send CONNECT response. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| LINE SPEED |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | AT [cmds] %Bnnnn [cmds] |
|--------------+---------------------------------------------|
| Description: | Sets the speed that the modem will attempt |
| | to connect at. |
|--------------+---------------------------------------------|
| Command | Function |
|--------------+---------------------------------------------|
| %B300 | Set speed to 300bps. |
|--------------+---------------------------------------------|
| %B1200 | Set speed to 1200bps. |
|--------------+---------------------------------------------|
| %B1200/75 | Set speed to 1200/75bps. |
|--------------+---------------------------------------------|
| %B75/1200 | Set speed to 75/1200bps. |
|--------------+---------------------------------------------|
| %B2400 | Set speed to 2400bps. |
|--------------+---------------------------------------------|
| %B4800 | Set speed to 4800bps. |
|--------------+---------------------------------------------|
| %B7200 | Set speed to 7200bps. |
|--------------+---------------------------------------------|
| %B9600 | Set speed to 9600bps. |
|--------------+---------------------------------------------|
| %B12000 | Set speed to 12Kbps. |
|--------------+---------------------------------------------|
| %B14400 | Set speed to 14.4Kbps. |
|--------------+---------------------------------------------|
| %B16800 | Set speed to 16.8Kbps. |
|--------------+---------------------------------------------|
| %B19200 | Set speed to 19.2Kbps. |
|--------------+---------------------------------------------|
| %B21600 | Set speed to 21.6Kbps. |
|--------------+---------------------------------------------|
| %B24000 | Set speed to 24Kbps. |
|--------------+---------------------------------------------|
| %B26400 | Set speed to 26.4Kbps. |
|--------------+---------------------------------------------|
| %B28800 | Set speed to 28.8Kbps. |
|--------------+---------------------------------------------|
| %B31200 | Set speed to 31.2Kbps. |
|--------------+---------------------------------------------|
| %B33600 | Set speed to 33.6Kbps. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| LOCAL SERIAL PORT SPEED - CURRENT |
|------------------------------------------------------------|
| Format: | AT [cmds] S93? [cmds] |
|-------------------+----------------------------------------|
| Default: | Read-only |
|-------------------+----------------------------------------|
| Range: | 0 - 16 |
|-------------------+----------------------------------------|
| Description: | Returns a value indicating the current |
| | local serial port speed. |
|------------------------------------------------------------|
| Bit | Value | Meaning |
|------------------------------------------------------------|
| 4 - 0 | 00000 | DTE rate 300 bps |
| | | |
| | 00001 | DTE rate 300 bps |
| | | |
| | 00010 | DTE rate 300 bps |
| | | |
| | 00011 | DTE rate 300 bps |
| | | |
| | 00100 | DTE rate 600 bps |
| | | |
| | 00101 | DTE rate 1200 bps |
| | | |
| | 00110 | DTE rate 2400 bps |
| | | |
| | 00111 | DTE rate 4800 bps |
| | | |
| | 01000 | DTE rate 7200 bps |
| | | |
| | 01001 | DTE rate 9600 bps |
| | | |
| | 01010 | DTE rate 12,000 bps |
| | | |
| | 01011 | DTE rate 14,400 bps |
| | | |
| | 01100 | DTE rate 19,200 bps |
| | | |
| | 01101 | DTE rate 38,400 bps |
| | | |
| | 01110 | DTE rate 57,600 bps |
| | | |
| | 10000 | DTE rate 115,200 bps |
+------------------------------------------------------------+
+------------------------------------------------------------+
| LOCAL SERIAL PORT SPEED MATCHING |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | AT [cmds] %Gn [cmds] |
|--------------+---------------------------------------------|
| Description: | Selects whether the speed of the modem’s |
| | port will be changed to match the local |
| | serial port, or if the user must do it by |
| | hand. |
|------------------------------------------------------------|
| Command | Function |
|---------------+--------------------------------------------|
| í %G0 | Speed changed automatically. |
|---------------+--------------------------------------------|
| %G1 | User must change speed with %B command. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| MANUAL DIALING DTR CHANGE |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | AT [cmds] :Dn [cmds] |
|--------------+---------------------------------------------|
| Description: | Selects whether the modem will attempt to |
| | connect to a manually dialed call when DTR |
| | goes high. |
|--------------+---------------------------------------------|
| Command | Function |
|--------------+---------------------------------------------|
| í :D0 | Modem will not attempt to connect on high |
| | DTR. |
|--------------+---------------------------------------------|
| :D1 | Modem will attempt to connect on high DTR. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| RECEIVED SIGNAL LEVEL |
|------------------------------------------------------------|
| Type: | Register |
|--------------+---------------------------------------------|
| Format: | AT [cmds] 65? [cmds] |
|--------------+---------------------------------------------|
| Default: | Read-only |
|--------------+---------------------------------------------|
| Range: | 0 - 43 |
|--------------+---------------------------------------------|
| Unit: | -1 dBm |
|--------------+---------------------------------------------|
| Description: | Displays the current received signal level. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| REMOTE CONFIGURATION |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | AT [cmds] *En [cmds] |
|--------------+---------------------------------------------|
| Description: | Selects whether the modem will accept |
| | requests for remote configuration. |
|------------------------------------------------------------|
| Command | Function |
|------------------+-----------------------------------------|
| í *E0 | Remote configuration disabled. |
|------------------+-----------------------------------------|
| *E1 | Remote configuration enabled. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| REMOTE CONFIGURATION CHARACTER |
|------------------------------------------------------------|
| Type: | Register |
|--------------+---------------------------------------------|
| Format: | AT [cmds] S34=n [cmds] |
|--------------+---------------------------------------------|
| Default: | 42 |
|--------------+---------------------------------------------|
| Range: | 0 - 126 |
|--------------+---------------------------------------------|
| Unit: | 1 ASCII character |
|--------------+---------------------------------------------|
| Description: | Defines the character that, when sent four |
| | times within the guard time set by S12, |
| | will notify the remote modem that a remote |
| | configuration session has been requested. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| REMOTE CONFIGURATION EXIT |
|------------------------------------------------------------|
| Type: | Immediate |
|--------------+---------------------------------------------|
| Format: | AT [cmds] *X [cmds] |
|--------------+---------------------------------------------|
| Description: | Exits the remote configuration session and |
| | discards the changes that have been made. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| REMOTE CONFIGURATION SAVE |
|------------------------------------------------------------|
| Type: | Immediate |
|--------------+---------------------------------------------|
| Format: | AT [cmds] *U [cmds] |
|--------------+---------------------------------------------|
| Description: | Saves the changes that have been made to |
| | the remote configuration. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| RESULT CODES |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | AT [cmds] Qn [cmds] |
|--------------+---------------------------------------------|
| Description: | Enables modem to send result codes to the |
| | DTE. |
|--------------+---------------------------------------------|
| Command | Function |
|--------------+---------------------------------------------|
| í Q0 | Result codes enabled. |
|--------------+---------------------------------------------|
| Q1 | Result codes disabled. |
|--------------+---------------------------------------------|
| Q2 | Result codes disabled in answer mode. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| RING DELAY |
|------------------------------------------------------------|
| Type: | Register |
|--------------+---------------------------------------------|
| Format: | AT [cmds] S99=n [cmds] |
|--------------+---------------------------------------------|
| Default: | 10 - 255 |
|--------------+---------------------------------------------|
| Range: | 50 |
|--------------+---------------------------------------------|
| Unit: | .1 second |
|--------------+---------------------------------------------|
| Description: | Sets the maximum delay between incoming |
| | ring signals. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| RTS TO CTS DELAY |
|------------------------------------------------------------|
| Type: | Register |
|--------------+---------------------------------------------|
| Format: | AT [cmds] S39=n [cmds] |
|--------------+---------------------------------------------|
| Default: | 3 |
|--------------+---------------------------------------------|
| Range: | 0 - 255 |
|--------------+---------------------------------------------|
| Unit: | 10 mS |
|--------------+---------------------------------------------|
| Description: | In half-duplex mode, sets the amount of |
| | time that must elapse after an RTS state |
| | change before CTS is set to follow. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| SECURITY - ACCESS MODE |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | AT [cmds] $Sxxxxx [cmds] |
|--------------+---------------------------------------------|
| Description: | Sets the access mode for configuration |
| | according to the options listed below. |
|--------------+---------------------------------------------|
| Option | Meaning |
|--------------+---------------------------------------------|
| A | All commands that do not change the modem's |
| | memory are accessible. |
|--------------+---------------------------------------------|
| W | Commands that write to the modem's memory |
| | are accessible. |
|--------------+---------------------------------------------|
| I | Incoming calls may be accepted. If this |
| | option is not specified, the RING response |
| | code is not sent. |
|--------------+---------------------------------------------|
| O | The modem may dial out. |
|--------------+---------------------------------------------|
| P | The password list may be displayed or |
| | edited. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| SECURITY - CALLBACK PASSWORD |
|------------------------------------------------------------|
| Type: | Configuration |
|------------------------------------------------------------|
| Format: | AT [cmds] $Pn;yyyy |
| | |
| | AT [cmds] $Pn;bb;xxxx;<#> |
|----------------+-------------------------------------------|
| Description: | Sets the information for the callback |
| | password at location n. For the first |
| | form of this command, yyyy indicates the |
| | dialing prefix that will be used to dial |
| | the number associated with this entry |
| | (see second form). xxxx indicates the |
| | password for this callback entry. The bb |
| | sets the options for this entry according |
| | to the bitmap explained below. |
|------------------------------------------------------------|
| Bit | Value | Function |
|--------+--------+------------------------------------------|
| 0 | 0 | Entry inactive. |
| | | |
| | 1 | Entry active. |
|------------------------------------------------------------|
| 2, 1 | 00 | Password required for login. |
| | | |
| | 01 | Password and phone number required for |
| | | login. |
| | 10 | |
| | | Prompt for password; call user back at |
| | 11 | stored number. |
| | | |
| | | Prompt for password and phone number; |
| | | call user back at entered number. |
|-------------+----+-----------------------------------------|
| 3 | 0 | Not used. |
|-------------+----+-----------------------------------------|
| 5, 4 | 00 | User may not perform remote |
| | | configuration. |
| | 01 | |
| | | User may perform read-only remote |
| | 10 | configuration. |
| | | |
| | | User may perform full access remote |
| | | configuration. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| SECURITY - DISPLAY PASSWORDS |
|------------------------------------------------------------|
| Type: | Immediate |
|--------------+---------------------------------------------|
| Format: | AT [cmds] $R [cmds] |
|--------------+---------------------------------------------|
| Description: | Displays the callback password table. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| SECURITY - MAIN PASSWORD |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | AT [cmds] $Y [cmds] |
|--------------+---------------------------------------------|
| Description: | Changes the main security password. The |
| | user will be prompted for the old and new |
| | passwords. Passwords must be between four |
| | and eight characters, case insensitive. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| SECURITY - PASSWORD WAIT TIME |
|------------------------------------------------------------|
| Type: | Register |
|--------------+---------------------------------------------|
| Format: | AT [cmds] S42=n [cmds] |
|--------------+---------------------------------------------|
| Default: | 30 |
|--------------+---------------------------------------------|
| Range: | 20 - 120 |
|--------------+---------------------------------------------|
| Unit: | 1 second |
|--------------+---------------------------------------------|
| Description: | Sets the amount of time that the modem will |
| | wait for a password to be entered. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| SPEAKER ENABLED FOR RING |
|------------------------------------------------------------|
| Type: | Register |
|--------------+---------------------------------------------|
| Format: | AT [cmds] S54=n [cmds] |
|--------------+---------------------------------------------|
| Description: | Selects whether the modem will emit a |
| | ringing sound when an incoming call is |
| | detected. |
|--------------+---------------------------------------------|
| Command | Function |
|--------------+---------------------------------------------|
| í S54=0 | Modem will not emit ringing sound. |
|--------------+---------------------------------------------|
| S54=1 | Modem will emit ringing sound. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| STORE ACTIVE PROFILE WITH EXTENDED REGISTERS |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | AT [cmds] *Wn [cmds] |
|--------------+---------------------------------------------|
| Description: | Writes the command settings with extended |
| | S-registers for the active profile into the |
| | non-volatile RAM. |
|--------------+---------------------------------------------|
| Command | Function |
|--------------+---------------------------------------------|
| *W0 | Write the active profile to stored profile |
| | 0. |
|--------------+---------------------------------------------|
| *W1 | Write the active profile to stored profile |
| | 1. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| STORE TELEPHONE NUMBER |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | AT [cmds] \Pn<#> |
|--------------+---------------------------------------------|
| Description: | Stores the telephone number indicated at |
| | memory location n. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| V.8 MODE |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | AT [cmds] %Mn [cmds] |
|--------------+---------------------------------------------|
| Description: | Selects whether the modem will use V.8 for |
| | bit rate adaptation. |
|--------------+---------------------------------------------|
| Command | Function |
|--------------+---------------------------------------------|
| í %M0 | V.8 adaptation enabled. |
|--------------+---------------------------------------------|
| %M1 | V.8 adaptation disabled. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| V.34 BAUD RATES |
|------------------------------------------------------------|
| Type: | Register |
|--------------+---------------------------------------------|
| Format: | AT [cmds] S63=n [cmds] |
|--------------+---------------------------------------------|
| Default: | 0 |
|--------------+---------------------------------------------|
| Range: | 0 - 61 |
|--------------+---------------------------------------------|
| Description: | Selects which baud rates may be used in |
| | V.34 mode. |
|--------------+---------------------------------------------|
| Bit | Value | Function |
|------+-------+---------------------------------------------|
| 0 | í 0 | 2400 baud rate enabled. |
| | | |
| | 1 | 2400 baud rate disabled. |
|------+-------+---------------------------------------------|
| 1 | 0 | Not used. |
|------+-------+---------------------------------------------|
| 2 | í 0 | 2800 baud rate enabled. |
| | | |
| | 1 | 2800 baud rate disabled. |
|------+-------+---------------------------------------------|
| 3 | í 0 | 3000 baud rate enabled. |
| | | |
| | 1 | 3000 baud rate disabled. |
|------+-------+---------------------------------------------|
| 4 | í 0 | 3200 baud rate enabled. |
| | | |
| | 1 | 3200 baud rate disabled. |
|------+-------+---------------------------------------------|
| 5 | í 0 | 3429 baud rate enabled. |
| | | |
| | 1 | 3429 baud rate disabled. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| V.34 BAUD RATE - CURRENT |
|------------------------------------------------------------|
| Type: | Register (read-only) |
|--------------+---------------------------------------------|
| Format: | AT [cmds] S84? [cmds] |
|--------------+---------------------------------------------|
| Description: | Displays a number which indicates the baud |
| | rate of the current V.34 connection. |
|--------------+---------------------------------------------|
| Value | Meaning |
|--------------+---------------------------------------------|
| 0 | Current connection is 2400 baud. |
|--------------+---------------------------------------------|
| 2 | Current connection is 2800 baud. |
|--------------+---------------------------------------------|
| 3 | Current connection is 3000 baud. |
|--------------+---------------------------------------------|
| 4 | Current connection is 3200 baud. |
|--------------+---------------------------------------------|
| 5 | Current connection is 3429 baud. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| V.100 FALLBACK |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | AT [cmds] %Ln [cmds] |
|--------------+---------------------------------------------|
| Description: | Selects whether the modem will use V.100 |
| | for fallback operations. |
|--------------+---------------------------------------------|
| Command | Function |
|--------------+---------------------------------------------|
| %L0 | Non-V.100 fallback enabled. |
|--------------+---------------------------------------------|
| í %L1 | V.100 fallback enabled. |
|--------------+---------------------------------------------|
| %L2 | Fallback disabled. |
|--------------+---------------------------------------------|
| %L3 | V.100 fallback enabled. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| VOICE DATA FORMAT |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | AT [cmds] S229=n [cmds] |
|--------------+---------------------------------------------|
| Description: | Selects the format of voice data the modem |
| | will use. |
|--------------+---------------------------------------------|
| Command | Function |
|--------------+---------------------------------------------|
| í S229=0 | Modem will use new voice format. |
|--------------+---------------------------------------------|
| S229=1 | Modem will use old voice format. |
+------------------------------------------------------------+