BOCA RESEARCH, INC.
BOCAMODEM M144IW
Modem Type |
Data (synchronous/asynchronous)/Fax |
Maximum Data Rate |
14.4Kbps |
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.23, V.32, V.32bis |
Fax Modulation Protocol |
ITU-T V.21CH2, 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 |
JP1/A |
JP1/B |
JP1/C |
JP1/D |
COM1: (3F8h) |
Closed |
Open |
Open |
Open |
COM2: (2F8h) |
Open |
Closed |
Open |
Open |
COM3: (3E8h) |
Open |
Open |
Closed |
Open |
COM4: (2E8h) |
Open |
Open |
Open |
Closed |
INTERRUPT SELECTION | ||||
IRQ |
JP1/E |
JP1/F |
JP1/G |
JP1/H |
3 |
Closed |
Open |
Open |
Open |
4 |
Open |
Closed |
Open |
Open |
5 |
Open |
Open |
Closed |
Open |
7 |
Open |
Open |
Open |
Closed |
Proprietary AT Command Set
AUTO-RETRAIN - FALLBACK/FALLFORWARD | |
Type: |
Configuration |
Format: |
AT [cmds] %En [cmds] |
Example: |
AT %E1 <CR> |
Description: |
Controls auto-retrain mode and fallback/fall forward. |
Command |
Function |
%E0 |
Auto-retrain disabled. |
%E1 |
Auto-retrain enabled. |
%E2 |
Fallback/fall forward enabled. |
BIT-MAPPED REGISTERS | |
Registers |
Default |
S14 |
170 |
S21 |
0 |
S22 |
117 |
S23 |
7 |
S27 |
9 |
S28 |
Unidentified |
S31 |
Unidentified |
S39 |
Unidentified |
S40 |
Unidentified |
S41 |
Unidentified |
BREAK SEND | |
Type: |
Configuration |
Format: |
AT [cmds] \Bn [cmds] |
Example: |
AT \B3 <CR> |
Default: |
3 |
Range: |
1-9 |
Unit: |
.1 second |
Description: |
Sends break to modem. |
BREAK TYPE | ||||
Type: |
Configuration | |||
Format: |
AT [cmds] \Kn [cmds] | |||
Example: |
AT \K1 <CR> | |||
Description: |
Configures action of break signal. | |||
Command |
Break from DTE MNP/Normal mode |
Break from DTE Direct mode |
Break from remote modem | |
\K0 |
Enter command mode, do not send break to remote modem. |
Send break to remote modem immediately, then enter command mode. |
Buffers cleared and break sent to DTE. | |
\K1 |
Buffers cleared and break sent to remote modem. |
Send break to remote modem immediately, then enter command mode. |
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, then enter command mode. |
Send break to DTE immediately. | |
\K4 |
Enter command mode, do not send break to remote modem. |
Send break to remote modem immediately. |
Break sent with received data to the DTE. | |
\K5 |
Send break with transmitted data. |
Send break to remote modem immediately. |
Break sent with received data to the DTE. |
COMPRESSION | |
Type: |
Configuration |
Format: |
AT [cmd] %Cn [cmd] |
Example: |
AT \N2 %C1 \K5 <CR> |
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] |
Example: |
AT \N1 DT555-1212 <CR> |
Description: |
Sets connect mode. |
Command |
Function |
\N0 |
Normal mode enabled. |
\N1 |
Direct mode enabled. |
\N2 |
Reliable mode enabled. |
\N3 |
Auto-reliable mode enabled, MNP mode with fallback to Normal mode. |
\N4 |
LAPM error-correction mode enabled. |
\N5 |
MNP error-correction mode enabled. |
FAX TRANSMIT LEVEL | |
Type: |
Register |
Format: |
AT [cmds] S92=n [cmds] |
Example: |
ATS92=10 <CR> |
Default: |
10 |
Range: |
1-15 |
Unit: |
-1dBm |
Description: |
Controls fax transmission level. |
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. |
FLOW CONTROL CHARACTER - XOFF | |
Type: |
Register |
Format: |
AT [cmds] S33=n [cmds] |
Example: |
ATS33=19 <CR> |
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] |
Example: |
ATS32=17 <CR> |
Default: |
17 |
Range: |
0-255 |
Unit: |
ASCII |
Description: |
Sets the character used to represent XON. |
LINE SIGNAL LEVEL | |
Type: |
Configuration |
Format: |
AT [cmds] %L [cmds] |
Example: |
AT %L &W <CR> |
Default: |
Unidentified |
Range: |
9-43 |
Unit: |
-1 dBm |
Description: |
Returns received line signal level. |
MAXIMUM BLOCK SIZE FOR TRANSMISSION | |
Type: |
Configuration |
Format: |
AT [cmds] \An [cmds] |
Example: |
AT \A1 %C1 <CR> |
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] |
Example: |
AT \L1 DT555-1212 <CR> |
Description: |
Selects the transfer mode for MNP. |
Command |
Function |
\L0 |
Stream mode for MNP enabled. |
\L1 |
Block mode for MNP enabled. |
MNP10 LINK NEGOTIATION | |
Type: |
Configuration |
Format: |
AT [cmds] *Hn [cmds] |
Example: |
AT *H0 \W1 <CR> |
Description: |
Sets the speed at which MNP10 link negotiation will occur. |
Command |
Function |
*H0 |
Link will be negotiated at highest possible speed. |
*H1 |
Link will be negotiated at 1200bps. |
PSTN TRANSMIT LEVEL | |
Type: |
Register |
Format: |
AT [cmds] S91=n [cmds] |
Example: |
ATS91=10 <CR> |
Default: |
10 |
Range: |
1-15 |
Unit: |
-1dBm |
Description: |
Controls PSTN transmission level. |
REPORT SIGNAL QUALITY | |
Type: |
Configuration |
Format: |
AT [cmds] %Q [cmds] |
Example: |
AT %Q &W <CR> |
Range: |
0-255 |
Description: |
Reports signal quality. |
Note: A value of 8 or greater retrain enabled, only when %E1 is enabled. |
SLEEP TIMER | |
Format |
AT [cmds] S24=n [cmds] |
Example: |
ATS24=0 <CR> |
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 MODES | |||
Format |
AT [cmds] S16=n [cmds] | ||
Example: |
ATS16=128 <CR> | ||
Default: |
128 | ||
Range: |
0 - 255 | ||
Unit: |
Bit-mapped | ||
Description: |
Select type of loopback test. | ||
Bit |
Value |
Function | |
0 | 0 1 |
Local analog loopback test not in progress. Local analog loopback test in progress. | |
1 | 0 1 |
Remote analog loopback test not in progress. Remote analog loopback test in progress. | |
2 | 0 1 |
Local digital loopback test not in progress. Local digital loopback test in progress. | |
3 | 0 1 |
Remotely requested remote digital loopback test not in progress. Remotely requested remote digital loopback test in progress. | |
4 | 0 1 |
Locally requested remote digital loopback test not in progress. Locally requested remote digital loopback test in progress. | |
5 | 0 1 |
Remote digital loopback with local self-test not in progress. Remote digital loopback with local self-test in progress. | |
6 | 0 1 |
Local analog loopback with local self-test not in progress. Local analog loopback with local self-test in progress. | |
7 | 0 1 |
Remote analog loopback with local self-test not in progress. Remote analog loopback with local self-test in progress. |
V.23 DIRECTION CONTROL | |
Type: |
Configuration |
Format: |
AT [cmds] %Fn [cmds] |
Example: |
AT %F1 &W <CR> |
Description: |
Controls the direction of transmit/receive 75/1200bps, only when \W1 is selected. |
Command |
Function |
%F0 |
75bps transmit/1200bps receive enabled. |
%F1 |
1200bps transmit/75bps receive enabled. |
V.23 SPLIT BAUD MODE | |
Type: |
Configuration |
Format: |
AT [cmds] \Wn [cmds] |
Example: |
AT \W1 <CR> |
Description: |
Controls V.23 split baud mode. |
Command |
Function |
\W0 |
V.23 split baud mode disabled. |
\W1 |
V.23 split baud mode enabled. |