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# ANGIA COMMUNICATIONS, INC.
DATASTAR
Modem Type Data (asynchronous)/Fax
Maximum Data Rate 2400bps
Maximum Fax Rate 9600bps
Data Bus PCMCIA TYPE II
Fax Class Class I & II
Data Modulation Protocol Bell 103A/212A
ITU-T V.22, V.22bis
Fax Modulation Protocol ITU-T V.21CH2, V.27ter, V.29
Error Correction/Compression MNP5, V.42, V.42bis
V1555
Proprietary AT Command Set
+------------------------------------------------------------+
| BIT-MAPPED REGISTER S14 |
|------------------------------------------------------------|
| Format | AT [cmds] S14=n [cmds] |
|---------------+--------------------------------------------|
| Example: | ATS14=170<CR> |
|---------------+--------------------------------------------|
| Default: | 170 |
|---------------+--------------------------------------------|
| Range: | 0-174 |
|---------------+--------------------------------------------|
| Unit: | Bit-mapped |
|---------------+--------------------------------------------|
| Description: | Controls echo, result codes, result code |
| | display, dial mode, and answer/originate |
| | mode. |
|------------------------------------------------------------|
| Bit | Value | Function |
|---------+--------+-----------------------------------------|
| 0 | 0 | Not used. |
|---------+--------+-----------------------------------------|
| 1 | 0 » 1 | Command echo disabled. |
| | | |
| | | Command echo enabled. |
|---------+--------+-----------------------------------------|
| 2 | » 0 1 | Result codes enabled. |
| | | |
| | | Result codes disabled. |
|---------+--------+-----------------------------------------|
| 3 | 0 » 1 | Display result codes in numeric format. |
| | | |
| | | Display result codes in verbose format. |
|---------+--------+-----------------------------------------|
| 4 | 0 | Command recognition enabled. |
|---------+--------+-----------------------------------------|
| 5 | 0 » 1 | Tone dial enabled. |
| | | |
| | | Pulse dial enabled. |
|---------+--------+-----------------------------------------|
| 6 | 0 | Not used. |
|---------+--------+-----------------------------------------|
| 7 | 0 » 1 | Answer mode enabled. |
| | | |
| | | Originate mode enabled. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| BIT-MAPPED REGISTER S21 |
|------------------------------------------------------------|
| Format | AT [cmds] S21=n [cmds] |
|----------------+-------------------------------------------|
| Example: | ATS21=0<CR> |
|----------------+-------------------------------------------|
| Default: | 0 |
|----------------+-------------------------------------------|
| Range: | 0 - 184 |
|----------------+-------------------------------------------|
| Unit: | Bit-mapped |
|----------------+-------------------------------------------|
| Description: | Selects jack type, low DTR action, DCD |
| | signal, and the Long Space Disconnect |
| | function. |
|------------------------------------------------------------|
| Bit | Value | Function |
|----------+-------+-----------------------------------------|
| 0 | » 0 | Selects RJ-11 |
|----------+-------+-----------------------------------------|
| 2, 1 | 0 | Not used. |
|----------+-------+-----------------------------------------|
| 4, 3 | » 00 | DTR signal ignored. |
| | 01 10 | |
| | 11 | Modem goes to command mode on low DTR. |
| | | |
| | | Modem disconnects on low DTR. |
| | | Auto-Answer is disabled. |
| | | |
| | | Modem is initialized on low DTR. |
|----------+-------+-----------------------------------------|
| 5 | » 0 1 | DCD forced high. |
| | | |
| | | DCD normal. |
|----------+-------+-----------------------------------------|
| 6 | 0 | Not used. |
|----------+-------+-----------------------------------------|
| 7 | » 0 1 | Long Space Disconnect function |
| | | disabled. |
| | | |
| | | Long Space Disconnect function enabled. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| BIT-MAPPED REGISTER S27 |
|------------------------------------------------------------|
| Format | AT [cmds] S27=n [cmds] |
|-----------------+------------------------------------------|
| Example: | AT S27=64 <CR> |
|-----------------+------------------------------------------|
| Default: | 64 |
|-----------------+------------------------------------------|
| Range: | 0 - 115 |
|-----------------+------------------------------------------|
| Unit: | Bit-mapped |
|-----------------+------------------------------------------|
| Description: | Selects sync/async mode, Line type, |
| | internal clock, and ITU-T/Bell modes. |
|------------------------------------------------------------|
| Bit | Value | Function |
|-----------+-------+----------------------------------------|
| 1, 0 | » 00 | Asynchronous mode, serial port speed |
| | 01 10 | follows connect speed. |
| | 11 | |
| | | Asynchronous command mode and |
| | | synchronous connect mode. |
| | | |
| | | Asynchronous command mode and |
| | | synchronous connect mode, DTR dialing |
| | | enabled. |
| | | |
| | | Asynchronous command mode on low DTR, |
| | | synchronous connect mode on high DTR. |
|-----------+-------+----------------------------------------|
| 3, 2 | 0 | Not used. |
|-----------+-------+----------------------------------------|
| 5, 4 | » 00 | Internal DCE transmit clock source. |
| | 01 10 | |
| | 11 | External DTE transmit clock source. |
| | | |
| | | Remote DCE transmit clock source. |
| | | |
| | | Internal DCE transmit clock source. |
|-----------+-------+----------------------------------------|
| 6 | 0 » 1 | CCITT mode. |
| | | |
| | | Bell mode. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| TEST MODES |
|------------------------------------------------------------|
| Format | AT [cmds] S16=n [cmds] |
|---------------+--------------------------------------------|
| Example: | ATS16=40<CR> |
|---------------+--------------------------------------------|
| Default: | 0 |
|---------------+--------------------------------------------|
| Range: | 0-125 |
|---------------+--------------------------------------------|
| Unit: | Bit-mapped |
|---------------+--------------------------------------------|
| Description: | Controls loopback tests, analog, digital, |
| | remote digital, and self tests. |
|------------------------------------------------------------|
| Bit | Value | Function |
|---------+-------+------------------------------------------|
| 0 | » 0 1 | Local analog loopback not in progress. |
| | | |
| | | Local analog loopback in progress. |
|---------+-------+------------------------------------------|
| 1 | 0 | Not used. |
|---------+-------+------------------------------------------|
| 2 | » 0 1 | Local digital loopback not in progress. |
| | | |
| | | Local digital loopback in progress. |
|---------+-------+------------------------------------------|
| 3 | » 0 1 | Modem not in remote digital loopback. |
| | | |
| | | Remote digital loopback in progress. |
|---------+-------+------------------------------------------|
| 4 | » 0 1 | Remote digital loopback not requested. |
| | | |
| | | Remote digital loopback requested. |
|---------+-------+------------------------------------------|
| 5 | » 0 1 | Remote digital loopback w/ self-test not |
| | | in progress. |
| | | |
| | | Remote digital loopback w/ self-test in |
| | | progress. |
|---------+-------+------------------------------------------|
| 6 | » 0 1 | Local analog loopback w/ self-test not |
| | | in progress. |
| | | |
| | | Local analog loopback w/ self-test in |
| | | progress. |