VEN-TEL, INC.
PCM96FAX
|
Modem Type |
Data (synchronous/asynchronous) |
|
Maximum Data Rate |
9600bps |
|
Maximum Fax Rate |
9600bps |
|
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.32 |
|
Fax Modulation Protocol |
V.27ter, V.29 |
|
Error Correction/Compression |
MNP5, V.42, V.42bis |
|
BASE I/O ADDRESS SELECTION | ||||
|
Address |
SW1/1 |
SW1/2 |
SW1/3 |
SW1/4 |
|
COM1: (3F8h) |
Off |
On |
On |
Off |
|
COM2: (2F8h) |
On |
Off |
Off |
Off |
|
COM3: (3E8h) |
Off |
On |
On |
On |
|
COM4: (2E8h) |
On |
Off |
Off |
On |
|
INTERRUPT SELECTION | ||||||
|
IRQ |
SW1/1 |
SW1/2 |
J1/A |
J1/B |
J1/C |
J1/D |
|
3 |
On |
Off |
Open |
Open |
Open |
Open |
|
4 |
Off |
On |
Open |
Open |
Open |
Open |
|
5 |
Off |
Off |
Closed |
Open |
Open |
Open |
|
6 |
Off |
Off |
Open |
Closed |
Open |
Open |
|
7 |
Off |
Off |
Open |
Open |
Closed |
Open |
|
SIGNAL GROUND | |
|
Function |
JP2 |
|
Signal and chassis ground common |
Open |
|
Signal and chassis ground separate |
Closed |
|
Note: location of JP2 unidentified. | |
|
FACTORY CONFIGURED SETTINGS | |
|
Jumper |
Setting |
|
JP1 |
Unidentified |
|
Note: location of JP1 unidentified. | |
Proprietary AT Command Set
|
BIT-MAPPED REGISTER S14 | |||
|
Format |
AT [cmds] S14=n [cmds] | ||
|
Example: |
ATS14=139 <CR> | ||
|
Default: |
171 | ||
|
Range: |
0 - 255 | ||
|
Unit: |
Bit-mapped | ||
|
Description: |
Controls echo, quiet mode, result codes, dial mode, and originate/answer mode. | ||
|
Bit | Value |
Function | |
|
0 | 1 |
Not used. | |
|
1 | 0 1 |
Command echo function disabled. Command echo function enabled. | |
|
2 | 0 1 |
Result code sending disabled. Result code sending enabled. | |
|
3 | 0 1 |
Numeric format enabled. Verbose format enabled. | |
|
4 | 0 |
Not used. | |
|
5 | 0 1 |
Tone dialing mode enabled. Pulse dialing mode enabled. | |
|
6 | 0 1 |
Result codes normal. Result codes disabled in answer mode. | |
|
7 | 0 1 |
Answer mode enabled. Originate mode enabled. | |
|
BIT-MAPPED REGISTER S21 | |||
|
Format |
AT [cmds] S21=n [cmds] | ||
|
Example: |
ATS21=1 <CR> | ||
|
Default: |
0 | ||
|
Range: |
0 - 255 | ||
|
Unit: |
Bit-mapped | ||
|
Description: |
Controls low DTR action, DCD signal, and the Long Space Disconnect function. | ||
|
Bit | Value |
Function | |
|
0 | 0 |
Not used. | |
|
1 | 0 1 |
Profile 0 enabled. Profile 1 enabled. | |
|
2 | |||
|
4, 3 | 00 01 10 11 |
DTR signal normal. Modem goes to command mode on low DTR. Modem sends OK result code when DTR signal normal . Modem resets on DTR signal. | |
|
5 | 0 1 |
DCD forced high. DCD normal. | |
|
6 | 0 1 |
DSR forced high. DSR normal. | |
|
7 | 0 1 |
Long Space Disconnect function disabled. Long Space Disconnect function enabled. | |
|
BIT-MAPPED REGISTER S22 | |||
|
Format |
AT [cmds] S22=n [cmds] | ||
|
Example: |
ATS22=114 <CR> | ||
|
Default: |
118 | ||
|
Range: |
0 - 255 | ||
|
Unit: |
Bit-mapped | ||
|
Description: |
Controls volume and speaker settings, result codes, and make/break pulse ratio. | ||
|
Bit | Value |
Function | |
|
1, 0 | 00 01 10 11 |
Lowest volume setting. Low volume setting. Medium volume setting Highest volume setting. | |
|
3, 2 | 00 01 10 11 |
Speaker disabled. Speaker enabled until carrier signal detected Speaker enabled. Speaker enabled following dialing, then disabled after carrier signal detected. | |
|
6, 5 ,4 | 000 100 101 110 111 |
Busy and dialtone detection disabled, result codes 0-4 enabled. Busy and dialtone detection disabled, result codes 0-5, 10 enabled. Busy tone detection disabled, dialtone detection enabled, result codes 0-6, 10 enabled. Busy tone detection enabled, dialtone detection disabled, result codes 0-5, 7, 10 enabled. Busy and dialtone detection enabled, result codes 0-7, 10 enabled. | |
|
7 | 0 1 |
39/61ms at 10pps (North America) 33/67ms at 10pps (Europe) | |
|
BIT-MAPPED REGISTER S23 | |||
|
Format |
AT [cmds] S23=n [cmds] | ||
|
Example: |
ATS23=114 <CR> | ||
|
Default: |
0, read-only (see note) | ||
|
Range: |
0 - 255 | ||
|
Unit: |
Bit-mapped | ||
|
Description: |
Controls guard tones. Also indicates detected serial port speed and parity. Also provides storage for remote digital loopback tests. | ||
|
Note: |
All bits except bits 6 and 7 are read-only. | ||
|
Bit | Value |
Function | |
|
0 | N/A |
Reserved for internal use. | |
|
3, 2, 1 | 000 001 010 011 100 101 110 111 |
Local speed detected at 300bps. Local speed detected at 600bps. Local speed detected at 1200bps. Local speed detected at 2400bps. Local speed detected at 4800bps. Local speed detected at 9600bps. Local speed detected at 19200bps. Local speed detected at 38400bps. | |
|
5, 4 | 00 10 11 |
Even parity. Odd parity. No parity. | |
|
7, 6 | 00 01 10 |
Guard tone disabled. 550Hz guard tone enabled. 1800Hz guard tone enabled. | |
|
BIT-MAPPED REGISTER S27 | |||
|
Format |
AT [cmds] S27=n [cmds] | ||
|
Example: |
ATS27=201 <CR> | ||
|
Default: |
73 | ||
|
Range: |
0 - 255 | ||
|
Unit: |
Bit-mapped | ||
|
Description: |
Controls communications mode, line type, and protocol type. | ||
|
Note: |
Be aware that bits 2 and 3 are out of order. | ||
|
Bit | Value |
Function | |
|
3, 1, 0 | 000 101 110 |
Asynchronous mode, serial port speed follows connect speed. Error-correcting mode. Asynchronous mode, serial port speed locked. | |
|
2 | 0 1 |
Switched line operation enabled. Leased line operation enabled | |
|
4 | 0 |
Not used. | |
|
5 | 0 |
Not used. | |
|
6 | 0 1 |
Select CCITT protocols. Select Bell protocols. | |
|
7 |
0 |
Not used. | |
|
COMPRESSION | |
|
Type: |
Register |
|
Format: |
AT [cmds] S41=n [cmds] |
|
Example: |
ATS41=2 <CR> |
|
Description: |
Selects data compression. |
| Command |
Function |
| S41=0 |
Data compression disabled. |
| S41=1 |
Data compression enabled. |
|
COMPRESSION | |
|
Type: |
Configuration |
|
Format: |
AT %Cn |
|
Example: |
AT %C0 *Y1 <CR> |
|
Description: |
Selects data compression. |
| Command |
Function |
| %C0 |
Data compression disabled. |
| %C1 |
Data compression enabled. |
|
FLOW CONTROL | |
|
Type: |
Configuration |
|
Format: |
AT [cmds] \Gn [cmds] |
|
Example: |
AT G1 &K3 <CR> |
|
Description: |
Selects modem port flow control. |
| Command |
Function |
| \G0 |
Flow control disabled. |
| \G1 |
Flow control enabled. |
|
INACTIVITY TIMER | |
|
Type: |
Register |
|
Format: |
AT [cmds] \Tn [cmds] |
|
Example: |
AT\T20 <CR> |
|
Default: |
0 |
|
Range: |
0-255 |
|
Unit: |
1 minute |
|
Description: |
Sets the length of time that the modem does not receive information before it disconnects. |
|
LOOPBACK TESTS | |||
|
Format |
AT [cmds] S16=n [cmds] | ||
|
Example: |
ATS16=32 <CR> | ||
|
Default: |
0 | ||
|
Range: |
0 - 255 | ||
|
Unit: |
Bit-mapped | ||
|
Description: |
Enables loopback tests. | ||
|
Note: |
Bit 3 is read-only. | ||
|
Bit | Value |
Function | |
|
0 | 0 1 |
Local analog loopback test disabled. Local analog loopback test enabled. | |
|
1 | 0 |
Not used. | |
|
2 | 0 1 |
Local digital loopback test disabled. Local digital loopback test enabled. | |
|
3 | 0 1 |
Modem is not performing remote digital loopback test. Modem is performing remote digital loopback test. | |
|
4 | 0 1 |
Remote digital loopback test disabled. Remote digital loopback test enabled. | |
|
5 | 0 1 |
Remote digital loopback with local self-test disabled. Remote digital loopback with local self-test enabled. | |
|
6 | 0 1 |
Local analog loopback with local self-test disabled. Local analog loopback with local self-test enabled. | |