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# COMPUTER PERIPHERALS, INC.
VIVA 14.4/FAX INTERNAL
Modem Type Data (synchronous/asynchronous)/Fax
Maximum Data Rate 14.4Kbps
Maximum Fax Rate 14.4Kbps
Data Bus 8-bit ISA
Fax Class Class I & II
Data Modulation Bell 103A/212A
Protocol
ITU-T V.21, V.22, V.22bis, V.23, V.32,
V.32bis
Fax Modulation ITU-T V.17, V.27ter, V.29
Protocol
Error MNP5, V.42, V.42bis
Correction/Compression
(IMG) IMG 1
+------------------------------------------------------------+
| CONNECTIONS |
|------------------------------------------------------------|
| Purpose | Location | Purpose | Location |
|-------------------+----------+------------------+----------|
| Line out | CN1 | Line in | CN2 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| BASE I/O ADDRESS SELECTION |
|------------------------------------------------------------|
| Port | SW1/1 | SW1/2 | SW1/3 | SW1/4 |
|----------------+----------+----------+----------+----------|
| COM1: (3F8h) | On | Off | Off | Off |
|----------------+----------+----------+----------+----------|
| COM2: (2F8h) | Off | On | Off | Off |
|----------------+----------+----------+----------+----------|
| COM3: (3E8h) | Off | Off | On | Off |
|----------------+----------+----------+----------+----------|
| » COM4: (2E8h) | Off | Off | Off | On |
+------------------------------------------------------------+
+------------------------------------------------------------+
| INTERRUPT SELECTION |
|------------------------------------------------------------|
| IRQ | JP1/A | JP1/B | JP1/C | JP1/D |
|---------+------------+------------+------------+-----------|
| 2 | Open | Open | Open | Closed |
|---------+------------+------------+------------+-----------|
| » 3 | Closed | Open | Open | Open |
|---------+------------+------------+------------+-----------|
| 4 | Open | Closed | Open | Open |
|---------+------------+------------+------------+-----------|
| 5 | Open | Open | Closed | Open |
+------------------------------------------------------------+
Proprietary AT Command Set
+------------------------------------------------------------+
| AUTO-RETRAIN |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | AT [cmds] %En [cmds] |
|--------------+---------------------------------------------|
| Description: | Selects auto-retrain mode |
|--------------+---------------------------------------------|
| Command | Function |
|--------------+---------------------------------------------|
| » %E0 | Auto-retrain disabled |
|--------------+---------------------------------------------|
| %E1 | Auto-retrain enabled |
+------------------------------------------------------------+
+------------------------------------------------------------+
| BIT-MAPPED REGISTERS |
|------------------------------------------------------------|
| Register | Default |
|----------------------------+-------------------------------|
| S14 | 138 |
|----------------------------+-------------------------------|
| S16 | 0 |
|----------------------------+-------------------------------|
| S21 | 4 |
|----------------------------+-------------------------------|
| S22 | 117 |
|----------------------------+-------------------------------|
| S23 | 183 |
|----------------------------+-------------------------------|
| S27 | 9 |
|----------------------------+-------------------------------|
| S28 | 0 |
|----------------------------+-------------------------------|
| S31 | 2 |
|----------------------------+-------------------------------|
| S40 | 105 |
|----------------------------+-------------------------------|
| S41 | 195 |
|----------------------------+-------------------------------|
| S80 | Unidentified |
+------------------------------------------------------------+
+------------------------------------------------------------+
| BREAK SEND |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | AT [cmds] \Bn [cmds] |
|--------------+---------------------------------------------|
| Default: | Unidentified |
|--------------+---------------------------------------------|
| Range: | Unidentified |
|--------------+---------------------------------------------|
| Unit: | .1 second |
|--------------+---------------------------------------------|
| Description: | Sends break to modem |
+------------------------------------------------------------+
+------------------------------------------------------------+
| BREAK TYPE |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | AT [cmds] \Kn [cmds] |
|--------------+---------------------------------------------|
| Description: | Configures action of break signal |
|------------------------------------------------------------|
| Command | Break from | Modem | Break from |
| | DTE | receives \B | remote modem |
|---------------+--------------+--------------+--------------|
| \K0 | Enter | Buffers | Buffers |
| | command | cleared and | cleared and |
| | mode, do not | break sent | break sent |
| | send break | to remote | to DTE |
| | to remote | modem | |
| | modem | | |
|---------------+--------------+--------------+--------------|
| \K1 | Buffers | Buffers | Buffers |
| | cleared and | cleared and | cleared and |
| | break sent | break sent | break sent |
| | to remote | to remote | to DTE |
| | modem | modem | |
|---------------+--------------+--------------+--------------|
| \K2 | Enter | Send break | Send break |
| | command | to remote | to DTE |
| | mode, do not | modem | immediately |
| | send break | immediately | |
| | to remote | | |
| | modem | | |
|---------------+--------------+--------------+--------------|
| \K3 | Send break | Send break | Send break |
| | to remote | to remote | to DTE |
| | modem | modem | immediately |
| | immediately | immediately | |
|---------------+--------------+--------------+--------------|
| \K4 | Enter | Send break | Break sent |
| | command | to remote | with |
| | mode, do not | modem with | received |
| | send break | transmitted | data to the |
| | to remote | data | DTE |
| | modem | | |
|---------------+--------------+--------------+--------------|
| » \K5 | Send break | Send break | Break sent |
| | with | to remote | with |
| | transmitted | modem with | received |
| | data | transmitted | data to the |
| | | data | DTE |
+------------------------------------------------------------+
+------------------------------------------------------------+
| COMPRESSION |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | AT [cmds] %Cn [cmds] |
|--------------+---------------------------------------------|
| Description: | Selects data compression |
|--------------+---------------------------------------------|
| Command | Function |
|--------------+---------------------------------------------|
| %C0 | Data compression disabled |
|--------------+---------------------------------------------|
| %C1 | MNP5 enabled |
|--------------+---------------------------------------------|
| %C2 | V.42bis enabled |
|--------------+---------------------------------------------|
| » %C3 | MNP5 and V.42bis enabled |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CONNECT MODE |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | AT [cmds] \Nn [cmds] |
|--------------+---------------------------------------------|
| Description: | Sets connect mode |
|--------------+---------------------------------------------|
| Command | Function |
|--------------+---------------------------------------------|
| \N0 | Normal mode enabled |
|--------------+---------------------------------------------|
| \N1 | Direct mode enabled |
|--------------+---------------------------------------------|
| \N2 | Reliable mode enabled |
|--------------+---------------------------------------------|
| » \N3 | Auto-reliable mode enabled |
|--------------+---------------------------------------------|
| \N4 | LAP-M mode only enabled |
|--------------+---------------------------------------------|
| \N5 | MNP mode only enabled |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DISPLAY CURRENT COMMAND STATUS |
|------------------------------------------------------------|
| Type: | Immediate |
|--------------+---------------------------------------------|
| Format: | AT [cmds] \S [cmds] |
|--------------+---------------------------------------------|
| Description: | Displays current setting of modem commands |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DISPLAY STORED NUMBERS |
|------------------------------------------------------------|
| Type: | Immediate |
|--------------+---------------------------------------------|
| Format: | AT [cmds] \F [cmds] |
|--------------+---------------------------------------------|
| Description: | Displays all stored phone numbers |
+------------------------------------------------------------+
+------------------------------------------------------------+
| FAX TRANSMIT LEVEL |
|------------------------------------------------------------|
| Type: | Register |
|--------------+---------------------------------------------|
| Format: | AT [cmds] S92=n [cmds] |
|--------------+---------------------------------------------|
| Default: | 10 |
|--------------+---------------------------------------------|
| Range: | 0-15 |
|--------------+---------------------------------------------|
| Unit: | -1dBm |
|--------------+---------------------------------------------|
| Description: | Controls fax transmission level |
+------------------------------------------------------------+
+------------------------------------------------------------+
| FLOW CONTROL |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | AT [cmds] \Gn [cmds] |
|--------------+---------------------------------------------|
| Description: | Selects modem port flow control |
|--------------+---------------------------------------------|
| Command | Function |
|--------------+---------------------------------------------|
| » \G0 | Flow control disabled |
|--------------+---------------------------------------------|
| \G1 | Flow control enabled |
+------------------------------------------------------------+
+------------------------------------------------------------+
| FLOW CONTROL CHARACTER - XOFF |
|------------------------------------------------------------|
| Type: | Register |
|--------------+---------------------------------------------|
| Format: | AT [cmds] S33=n [cmds] |
|--------------+---------------------------------------------|
| Default: | 19 |
|--------------+---------------------------------------------|
| Range: | 0-255 |
|--------------+---------------------------------------------|
| Unit: | ASCII |
|--------------+---------------------------------------------|
| Description: | Sets the character used to represent XOFF |
+------------------------------------------------------------+
+------------------------------------------------------------+
| FLOW CONTROL CHARACTER - XON |
|------------------------------------------------------------|
| Type: | Register |
|--------------+---------------------------------------------|
| Format: | AT [cmds] S32=n [cmds] |
|--------------+---------------------------------------------|
| Default: | 17 |
|--------------+---------------------------------------------|
| Range: | 0-255 |
|--------------+---------------------------------------------|
| Unit: | ASCII |
|--------------+---------------------------------------------|
| Description: | Sets the character used to represent XON |
+------------------------------------------------------------+
+------------------------------------------------------------+
| LEASED LINE TRANSMISSION LEVEL |
|------------------------------------------------------------|
| Type: | Register |
|--------------+---------------------------------------------|
| Format: | AT [cmds] S99=n [cmds] |
|--------------+---------------------------------------------|
| Default: | 10 |
|--------------+---------------------------------------------|
| Range: | 0-15 |
|--------------+---------------------------------------------|
| Unit: | -1 dBm |
|--------------+---------------------------------------------|
| Description: | Sets the signal level for transmission when |
| | in leased-line mode |
+------------------------------------------------------------+
+------------------------------------------------------------+
| LINE SIGNAL LEVEL |
|------------------------------------------------------------|
| Type: | Immediate |
|--------------+---------------------------------------------|
| Format: | AT [cmds] %L [cmds] |
|--------------+---------------------------------------------|
| Description: | Returns received line signal level |
+------------------------------------------------------------+
+------------------------------------------------------------+
| LINE TYPE |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | AT [cmds] %Mn [cmds] |
|--------------+---------------------------------------------|
| Description: | Selects AUXCTL output |
|--------------+---------------------------------------------|
| Command | Function |
|--------------+---------------------------------------------|
| %M0 | AUXCTL output low enabled |
|--------------+---------------------------------------------|
| %M1 | AUXCTL output high enabled |
+------------------------------------------------------------+
+------------------------------------------------------------+
| MAXIMUM BLOCK SIZE FOR TRANSMISSION |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | AT [cmds] \An [cmds] |
|--------------+---------------------------------------------|
| Description: | Sets the maximum transmittable block size |
|--------------+---------------------------------------------|
| Command | Function |
|--------------+---------------------------------------------|
| \A0 | MNP block size is 64 characters |
|--------------+---------------------------------------------|
| \A1 | MNP block size is 128 characters |
|--------------+---------------------------------------------|
| \A2 | MNP block size is 192 characters |
|--------------+---------------------------------------------|
| » \A3 | MNP block size is 256 characters |
+------------------------------------------------------------+
+------------------------------------------------------------+
| MNP STREAM/BLOCK MODE |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | AT [cmds] \Ln [cmds] |
|--------------+---------------------------------------------|
| Description: | Selects the transfer mode for MNP |
|--------------+---------------------------------------------|
| Command | Function |
|--------------+---------------------------------------------|
| » \L0 | Stream mode for MNP enabled |
|--------------+---------------------------------------------|
| \L1 | Block mode for MNP enabled |
+------------------------------------------------------------+
+------------------------------------------------------------+
| PSTN TRANSMIT LEVEL |
|------------------------------------------------------------|
| Type: | Register |
|--------------+---------------------------------------------|
| Format: | AT [cmds] S91=n [cmds] |
|--------------+---------------------------------------------|
| Default: | 10 |
|--------------+---------------------------------------------|
| Range: | 0-15 |
|--------------+---------------------------------------------|
| Unit: | -1dBm |
|--------------+---------------------------------------------|
| Description: | Controls PSTN transmission level |
+------------------------------------------------------------+
+------------------------------------------------------------+
| REPORT LINE SIGNAL QUALITY |
|------------------------------------------------------------|
| Type: | Immediate |
|--------------+---------------------------------------------|
| Format: | AT [cmds] %Q [cmds] |
|--------------+---------------------------------------------|
| Description: | Reports line signal quality. If the value |
| | is greater than 7, the modem will retrain. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| SLEEP TIMER |
|------------------------------------------------------------|
| Type: | Register |
|--------------+---------------------------------------------|
| Format | AT [cmds] S24=n [cmds] |
|--------------+---------------------------------------------|
| Default: | 0 |
|--------------+---------------------------------------------|
| Range: | 0-255 |
|--------------+---------------------------------------------|
| Unit: | 1 second |
|--------------+---------------------------------------------|
| Description: | Maximum duration of DTE and DCE inactivity |
| | allowed prior to initiating low-power sleep |
| | mode |
+------------------------------------------------------------+
+------------------------------------------------------------+
| TEST MODE - PTT |
|------------------------------------------------------------|
| Type: | Immediate |
|--------------+---------------------------------------------|
| Format: | AT [cmds] %T [cmds] |
|--------------+---------------------------------------------|
| Description: | Send PTT test signals for European line |
| | test |
+------------------------------------------------------------+
+------------------------------------------------------------+
| V.23 SPLIT BAUD MODE |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | AT [cmds] \Wn [cmds] |
|--------------+---------------------------------------------|
| Description: | Controls V.23 split baud mode |
|--------------+---------------------------------------------|
| Command | Function |
|--------------+---------------------------------------------|
| \W0 | V.23 split baud mode disabled |
|--------------+---------------------------------------------|
| \W1 | V.23 split baud mode enabled |
+------------------------------------------------------------+
+------------------------------------------------------------+
| V.23 SPEED DIRECTION |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | AT [cmds] %Fn [cmds] |
|--------------+---------------------------------------------|
| Description: | Selects V.23 speed and direction |
|--------------+---------------------------------------------|
| Command | Function |
|--------------+---------------------------------------------|
| %F1 | 1200bps receive/75bps transmit enabled |
|--------------+---------------------------------------------|
| %F2 | 1200bps transmit/75bps receive enabled |
+------------------------------------------------------------+