BEST DATA PRODUCTS, INC.
1442F INTERNAL FAX/DATA MODEM
|
Card Type |
Fax, Modem (synchronous/asynchronous) |
|
Chip Set |
Unidentified |
|
Maximum Data Rate |
14.4Kbps |
|
Maximum Fax Rate |
14.4Kbps |
|
Data Bus |
8-bit ISA |
|
Fax Class |
Class I & II |
|
Data Modulation Protocol |
Bell 103/212A ITU-T V.21, V.22, V.22bis, V.23, V.32, V.32bis |
|
Fax Modulation Protocol |
ITU-T V.17, V.21CH2, V.27ter, V.29 |
|
Error Correction/Compression |
MNP5, V.42, V.42bis |
V2327
|
MISCELLANEOUS TECHNICAL NOTES |
Diagram not available |
|
SERIAL PORT ADDRESS | ||
|
Setting |
SW1/5 |
SW1/6 |
|
COM1 (3F8h) |
On |
On |
|
í COM2 (2F8h) |
On |
Off |
|
COM3 (3E8h) |
Off |
On |
|
COM4 (2E8h) |
Off |
Off |
|
INTERRUPT SELECTION | ||||
|
Setting |
SW1/1 |
SW1/2 |
SW1/3 |
SW1/4 |
|
í 3 |
On |
Off |
Off |
Off |
|
4 |
Off |
On |
Off |
Off |
|
5 |
Off |
Off |
On |
Off |
|
7 |
Off |
Off |
Off |
On |
|
SUPPORTED COMMAND SET |
|
Basic AT Commands |
|
AT, +++, Comma, A/ |
|
A, B, C, D, E, F, , H, L, M, N, O, P, Q, S, T, V, W, X, Y, Z |
|
&C, &D, &F, &G, &J, &K, &L, &M, &P, &Q, &R, &S, &T, &V, &W, &X, &Y, &Z |
|
Extended AT Commands |
|
\A, \B, \G, \L, \O, \T, \U, \Y, \Z, %E, %L, %Q |
|
S Registers |
|
S0, S1, S2, S3, S4, S5, S6, S7, S8, S9, S10, S11, S12, S16, S18, S22, S25, S26, S36, S38, S46 |
|
S48, S82, S86, S91, S95 |
|
Note: See MHI Help file for full command documentation. |
Proprietary AT Command Set
|
BIT-MAPPED REGISTER S14 | ||
|
Format: |
AT [cmds] S14=n [cmds] | |
|
Default: |
170 | |
|
Range: |
0-255 | |
|
Unit: |
Bit-mapped | |
|
Description: |
Controls local echo, command echo, result codes and display, dial mode, and answer/originate mode. | |
|
Bit |
Value |
Function |
|
0 |
í 01 |
Disable local echo Enable local echo |
|
1 |
0 í 1 |
Command echo disabled Command echo enabled |
|
2 |
í 01 |
Result codes enabled Result codes disabled |
|
3 |
0 í 1 |
Display result codes in numeric format Display result codes in verbose format |
|
4 |
í 01 |
Smart mode enabled Dumb mode enabled |
|
5 |
0 í 1 |
Tone dial enabled Pulse dial enabled |
|
6 |
í 01 |
Result codes enabled Result codes enabled when originating |
|
7 |
0 í 1 |
Answer mode enabled Originate mode enabled |
|
BIT-MAPPED REGISTER S21 | ||
|
Format |
AT [cmds] S21=n [cmds] | |
|
Default: |
0 | |
|
Range: |
0-255 | |
|
Unit: |
Bit-mapped | |
|
Description: |
Selects jack type, setting profile, CTS/DCD/DSR signals, low DTR action, and the long space disconnect function. | |
|
Bit |
Value |
Function |
|
0 |
í 01 |
Selects RJ-11, RJ-41S, or RJ45S jack Selects RJ-12 or RJ-13 jack |
|
1 |
í 01 |
Default profile User-defined profile |
|
2 |
í 01 |
CTS follows RTS CTS forced high |
|
4, 3 |
í 0001 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 |
í 01 |
DCD forced high DCD normal |
|
6 |
í 01 |
DSR forced high DSR normal |
|
7 |
í 01 |
Long space disconnect function disabled Long space disconnect function enabled |
|
BIT-MAPPED REGISTER S23 | ||
|
Format |
AT [cmds] S23=n [cmds] | |
|
Default: |
7 | |
|
Range: |
0-191 | |
|
Unit: |
Bit-mapped | |
|
Description: |
Grants/denies remote digital loopback, controls DTE rate and parity, and sets guard tone. | |
|
Bit |
Value |
Function |
|
0 |
0 í 1 |
Remote digital loopback denied Remote digital loopback allowed |
|
3 - 1 |
000 001 010 í 011100 101 110 111 |
Sets serial port speed to 0-300bps Sets serial port speed to 600bps Sets serial port speed to 1200bps Sets serial port speed to 2400bps Sets serial port speed to 4800bps Sets serial port speed to 9600bps Sets serial port speed to 19200bps Sets serial port speed to 38400bps |
|
5, 4 |
í 0001 10 11 |
Parity even Space Parity Parity odd Mark or No Parity |
|
7, 6 |
í 0001 10 |
Guard tone disabled Guard tone 550Hz enabled Guard tone 1800Hz enabled |
|
BIT-MAPPED REGISTER S27 | ||
|
Format |
AT [cmds] S27=n [cmds] | |
|
Default: |
64 | |
|
Range: |
0-127 | |
|
Unit: |
Bit-mapped | |
|
Description: |
Selects synchronous/asynchronous mode, line type, clock source, and ITU-T/Bell modes. | |
|
Bit |
Value |
Function |
|
3, 1, 0 |
í 000001 010 011 100 101 110 111 |
Asynchronous mode, serial port speed follows connect speed Asynchronous off-line command mode and synchronous connect mode Asynchronous off-line command mode; modem autodials first number in directory, then synchronous connect mode Asynchronous off-line command mode on low DTR, synchronous connect mode on high DTR Modem returns OK Error correction mode Asynchronous mode during Normal connect mode Modem returns OK |
|
2 |
í 01 |
Switched line Leased line |
|
5, 4 |
í 0001 10 |
Local modem generates transmit clock source Local DTE generates transmit clock source Remote DCE/DTE generates transmit clock source |
|
6 |
0 í 1 |
ITU/T mode Bell mode |
|
BIT-MAPPED REGISTER S40 | ||
|
Format |
AT [cmds] S40=n [cmds] | |
|
Default: |
119 | |
|
Range: |
0-255 | |
|
Unit: |
Bit-mapped | |
|
Description: |
Controls connect mode, break handling, MNP block size, and flow control. | |
|
Bit |
Value |
Function |
|
1, 0 |
00 01 10 í 11 |
Normal mode enabled Direct mode enabled Reliable mode enabled Auto-reliable mode enabled |
|
4, 3, 2 |
000 001 010 011 100 í 101 |
\K0 \K1 \K2 \K3 \K4 \K5 |
|
6, 5 |
00 01 10 í 11 |
MNP block size is 64 characters MNP block size is 128 characters MNP block size is 192 characters MNP block size is 256 characters |
|
7 |
í 01 |
Flow control disabled Flow control enabled |
|
BIT-MAPPED REGISTER S41 | ||
|
Format |
AT [cmds] S41=n [cmds] | |
|
Default: |
1 | |
|
Range: |
0-7 | |
|
Unit: |
Bit-mapped | |
|
Description: |
Selects compression, auto-retrain, and MNP mode. | |
|
Bit |
Value |
Function |
|
0 |
0 í 1 |
Data compression disabled Data compression enabled |
|
1 |
í 01 |
Auto-retrain disabled Auto-retrain enabled |
|
2 |
í 01 |
Stream mode for MNP Block mode for MNP |
|
BREAK TYPE | ||||
|
Type: |
Configuration | |||
|
Format: |
AT [cmds] \Kn [cmds] | |||
|
Description: |
Configures action of break signal | |||
|
Command |
Break from DTE during MNP mode |
Break received from remote modem |
Break from DTE during Direct mode | |
|
\K0 |
Online command mode enabled, send no break to remote modem |
Buffers cleared, break sent to DTE |
Online command mode enabled, send no break to remote modem | |
|
\K1 |
Break sent to remote modem and buffers cleared |
Buffers cleared, break sent to DTE |
Break sent to remote modem and buffers cleared | |
|
\K2 |
Online command mode enabled, send no break to remote modem |
Break sent immediately to DTE |
Online command mode enabled, send no break to remote modem | |
|
\K3 |
Send break to remote modem immediately |
Break sent immediately to DTE |
Send break to remote modem immediately | |
|
\K4 |
Online command mode enabled, send no break to remote modem |
Break sent with received data to the DTE |
Online command mode enabled, send no break to remote modem | |
|
\K5 |
Send break with transmitted data |
Break sent with received data to the DTE |
Send break with transmitted data | |
|
COMPRESSION | |
|
Type: |
Configuration |
|
Format: |
AT [cmds] %Cn [cmds] |
|
Description: |
Selects data compression |
|
Command |
Function |
|
%C0 |
Data compression disabled |
|
í %C1 |
Data compression enabled |
|
CONNECT MODE | |
|
Type: |
Configuration |
|
Format: |
AT [cmds] \Nn [cmds] |
|
Description: |
Controls the type of connection the modem will operate in |
|
Command |
Function |
|
\N0 |
Normal mode enabled |
|
\N1 |
Direct mode enabled |
|
\N2 |
Reliable mode enabled |
|
í \N3 |
Auto-reliable mode enabled |
|
DCE LINE SPEED | |
|
Type: |
Register |
|
Format |
AT [cmds] S37=n [cmds] |
|
Description: |
Sets the maximum allowable data exchange rate attempted during handshake process. |
|
Command |
Function |
|
í S37=0 |
Speed of last connection |
|
S37=1 |
300bps |
|
S37=2 |
300bps |
|
S37=3 |
300bps |
|
S37=5 |
1200bps |
|
S37=6 |
2400bps |
|
S37=8 |
4800bps |
|
S37=9 |
9600bps |
|
S37=10 |
12.0Kbps |
|
S37=11 |
14.4Kbps |
|
S37=12 |
7200bps |
|
ECHO CANCELLATION | |
|
Type: |
Configuration |
|
Format: |
AT [cmds] \En [cmds] |
|
Description: |
Optimize echo cancellation |
|
REPORT INFORMATION | |
|
Type: |
Immediate |
|
Format: |
AT [cmds] In [cmds] |
|
Description: |
Displays information requested |
|
Command |
Function |
|
I0 |
Reports product code |
|
I1 |
Reports ROM checksum |
|
I2 |
Tests and reports ROM checksum, as OK or ERROR |
|
I3 |
Reports firmware manufacturer identification and checksum |
|
I4 |
Reports product capabilities |
|
V.42 - CLEAR DICTIONARY | |
|
Type: |
Immediate |
|
Format: |
AT [cmds] %P [cmds] |
|
Description: |
Clears the V.42 encoder dictionary |
|
V.42bis - COMPRESSION CONTROL | |
|
Type: |
Configuration |
|
Format: |
AT [cmds] %Mn [cmds] |
|
Description: |
Controls V.42bis data compression |
|
Command |
Function |
|
%M0 |
V.42bis disabled |
|
%M1 |
V.42bis when transmitting enabled |
|
%M2 |
V.42bis when receiving enabled |
|
í %M3 |
V.42bis when transmitting/receiving enabled |
|
V.42bis - DICTIONARY SIZE | |
|
Type: |
Configuration |
|
Format: |
AT [cmds] %Dn [cmds] |
|
Description: |
Select V.42 dictionary size |
|
Command |
Function |
|
%D0 |
Select 512 bytes |
|
%D1 |
Select 1024 bytes |
|
í %D2 |
Select 2048 bytes |
|
%D3 |
Select 4096 bytes, one-way compression |
|
V.42bis - MAXIMUM STRING LENGTH | |
|
Type: |
Immediate |
|
Format: |
AT [cmds] %Sn [cmds] |
|
Default: |
32 |
|
Range: |
6-250 |
|
Unit: |
Characters |
|
Description: |
Selects string size for V.42bis compression |