VEN-TEL, INC.
MCM96FAX
Modem Type | Data (synchronous/asynchronous)/Fax |
Maximum Data Rate | 9600bps |
Maximum Fax Rate | 9600bps |
Data Bus | MCA |
Fax Class | Class I & II |
Data Modulation Protocol | Bell 103A/212A V.22, V.22bis, V.32 |
Fax Modulation Protocol | Unidentified |
Error Correction/Compression | MNP5, V.42, V.42bis |
Proprietary Command Set
V1145
BIT-MAPPED REGISTER | |||
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 | |||
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 | 0 | Not used. | |
4, 3 | » 00 01 10 11 | DTR signal ignored. 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 1 | DSR forced high. DSR normal. | |
7 | » 0 1 | Long Space Disconnect function disabled. Long Space Disconnect function enabled. |
BIT-MAPPED REGISTER | |||
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 | |||
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 | 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. | |
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. |
COMPRESSION | |
Type: | Configuration |
Format: | AT %Cn |
Example: | AT %C0 #L0 <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 flow control. |
Command | Function |
» \G0 | Flow control disabled. |
\G1 | Flow control enabled. |
ID DISPLAY | |
Type: | Immediate |
Format: | AT [cmds] In [cmds] |
Example: | AT I1 &W <CR> |
Description: | Displays modem properties. |
Command | Function |
I0 | Display product code. |
I1 | Display checksum. |
I2 | Display checksum check. |
I3 | Display version number. |
INACTIVITY TIMER | |
Type: | Register |
Format: | AT [cmds] \Tn [cmds] |
Example: | AT\T20 <CR> |
Default: | 0 |
Range: | 0-255 |
Unit: | 1 second |
Description: | Sets the length of time that the modem does not receive information before it disconnects. |
LOOPBACK TEST | |||
Format | AT [cmds] S16=n [cmds] | ||
Example: | ATS16=40 <CR> | ||
Range: | 0 - 190 | ||
Unit: | Bit-mapped | ||
Description: | Configures loopback test options. | ||
Bit | Value | Function | |
0 | 0 1 | Local analog loopback disabled. Local analog loopback enabled. | |
1 | 0 | Not used. | |
2 | 0 1 | Local digital loopback disabled. Local digital loopback enabled. | |
3 | 0 1 | Remote digital loopback not in progress. Remote digital loopback in progress. | |
4 | 0 1 | Remote digital loopback disabled. Remote digital loopback enabled. | |
5 | 0 1 | Remote digital loopback with self test disabled. Remote digital loopback with self test enabled. | |
6 | 0 1 | Local analog loopback with self test disabled. Local analog loopback with self test enabled. | |
7 | 0 | Not used. |
BIT-MAPPED REGISTER | |||
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 | 000 001 101 110 | Asynchronous mode, serial port speed follows connect speed. Asynchronous off-line command mode and synchronous connect mode. Error-correcting mode. Asynchronous mode, serial port speed locked. | |
2 | 0 1 | Switched line enabled. Leased line 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=201 <CR> |
Description: | Selects data compression. |
Command | Function |
S41=0 | Data compression disabled. |
» S41=1 | Data compression enabled. |