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 Protocol |
Bell 103A/212A ITU-T V.21, V.22, V.22bis, V.23, V.32, V.32bis |
|
Fax Modulation Protocol |
ITU-T V.17, V.27ter, V.29 |
|
Error Correction/Compression |
MNP5, V.42, V.42bis |
|
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 DTE |
Modem receives \B |
Break from remote modem | |
| \K0 |
Enter command mode, do not send break to remote modem |
Buffers cleared and break sent to remote modem |
Buffers cleared and break sent to DTE | |
| \K1 |
Buffers cleared and break sent to remote modem |
Buffers cleared and break sent to remote modem |
Buffers cleared and break sent to DTE | |
| \K2 |
Enter command mode, do not send break to remote modem |
Send break to remote modem immediately |
Send break to DTE immediately | |
| \K3 |
Send break to remote modem immediately |
Send break to remote modem immediately |
Send break to DTE immediately | |
| \K4 |
Enter command mode, do not send break to remote modem |
Send break to remote modem with transmitted data |
Break sent with received data to the DTE | |
| » \K5 |
Send break with transmitted data |
Send break to remote modem with transmitted data |
Break sent with received data to the 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 |
