E-TECH RESEARCH, INC.
C288MX PCMCIA
Card Type | Modem (asynchronous) |
Chipset | Unidentified |
Maximum Data Rate | 28.8Kbps |
Maximum Fax Rate | 14.4Kbps |
Data Bus | PCMCIA Type II |
Fax Class | Class I & II |
Data Modulation | Bell 103A/212A ITU-T V.21, V.22, V.22bis, V.32, V.32bis, V.34 AT&T V.32terbo |
Fax Modulation | ITU-T V.17, V.21CH2, V.27ter, V.29 |
Error Correction/Compression | MNP5, V.42, V.42bis |
E-TECH-RESEARCH-INC-Modem-asynchronous-C288MX-PCMC
SUPPORTED STANDARD COMMANDS |
Basic AT Commands |
+++, ‘comma’, A/ |
A, B, D, E, H, L, M, N, P, Q, T, V, W, X, Y, Z |
&C, &D, &F, &G, &K, &L, &R, &S, &T, &V, &W, &Y, &Z |
Extended AT Commands |
\A, \B, \C, \G, \J, \K, \N, \Q, \T, \V, \X |
%A, %C, %G |
Special AT Commands |
"H, -J, "N, "O |
S-Registers |
S0, S1, S2, S3, S4, S5, S6, S7, S8, S9, S10, S11, S12, S18, S22, S25, S26, S27, S30 |
Note: See MHI documentation for complete information. The functions of the O command and the S42 and S47 registers are unidentified. |
UNIDENTIFIED COMMANDS | |
Command | Default |
O | N/A |
S42 | Read-only |
Proprietary AT Command Set
AUTO-RELIABLE FALLBACK CHARACTER | |
Type: | Register |
Format: | AT [cmds] S43=n [cmds] |
Default: | Read-only |
Range: | 0-127 |
Unit: | ASCII |
Description: | Displays the ASCII value character used as the auto-reliable fallback character. |
AUTO-RELIABLE TIME BUFFER CONFIGURATION | |
Type: | Register (read-only) |
Format: | AT [cmds] S48? [cmds] |
Description: | Displays information regarding the handling of incoming data during auto-reliable time period. |
Value | Meaning |
0 | Data is discarded. |
1 | Data is buffered for 4 seconds or 200 characters. |
2 | Data is discarded; modem returns to normal mode on receiving auto-reliable fallback character. |
BIT-MAPPED REGISTER S44 | |||||
Format: | AT [cmds] S44=n [cmds] | ||||
Default: | 6 | ||||
Range: | 0 - 23 | ||||
Description: | Controls V.42bis and auto-fallback/fall-forward. | ||||
Bit | Value | Function | |||
0 | í 01 | V.42bis enabled. V.42bis disabled. | |||
2, 1 | 00 01 10 í 11 | V.42bis disabled. V.42bis enabled on transmit only. V.42bis enabled on receive only. V.42bis enabled. | |||
3 | 0 | Not used. | |||
4 | í 01 | Auto-fallback/fall-forward disabled. Auto-fallback/fall-forward enabled. |
BIT-MAPPED REGISTER S51 | |||||
Format: | AT [cmds] S51? [cmds] | ||||
Default: | Read-only | ||||
Range: | 0 - 115 | ||||
Description: | Controls flow control, serial port speed, and XON/XOFF trapping. | ||||
Bit | Value | Function | |||
1, 0 | 00 01 10 11 | Flow control disabled. Bidirectional XON/XOFF flow control enabled. CTS flow control by DCE enabled. Bidirectional RTS/CTS flow control enabled. | |||
3, 2 | 00 | Not used. | |||
4 | 0 1 | Modem-to-modem flow control disabled. Modem-to-modem flow control enabled. | |||
5 | 0 1 | Serial port speed locked. Serial port speed follows connect speed. | |||
6 | 0 1 | XON/XOFF signals trapped by local modem. XON/XOFF passed through local modem. |
BIT-MAPPED REGISTER S54 | |||||
Format: | AT [cmds] S54=n [cmds] | ||||
Default: | Unidentified | ||||
Range: | Unidentified | ||||
Description: | Controls extended result codes. | ||||
Bit | Value | Function | |||
1 - 0 | N/A | This function is unidentified. | |||
6 - 2 | 00000 | Not used. | |||
7 | 0 1 | Error correction and compression extended result codes disabled. Error correction extended result codes enabled. |
BREAK TYPE | ||||
Type: | Register (read-only) | |||
Format: | AT [cmds] S52? [cmds] | |||
Description: | Returns a number indicating the modem’s action on a break signal. | |||
Value | Break from DTE | Modem receives \B | Break received from remote modem | |
0 | Online command mode enabled, send no break to remote modem. | Break sent to remote modem and buffered cleared. | Buffers cleared, break sent to DTE. | |
1 | Break sent to remote modem and buffered cleared. | Break sent to remote modem and buffered cleared. | Buffers cleared, break sent to DTE. | |
2 | Online command mode enabled, send no break to remote modem. | Send break to remote modem immediately. | Break sent immediately to DTE. | |
3 | Send break to remote modem immediately. | Send break to remote modem immediately. | Break sent immediately to DTE. | |
4 | Online command mode enabled, send no break to remote modem. | Send break with transmitted data. | Break sent with received data to the DTE. | |
5 | Send break with transmitted data. | Send break with transmitted data. | Break sent with received data to the DTE. |
CONNECT MODE | |
Type: | Register, read-only |
Format: | AT [cmds] S53? [cmds] |
Description: | Returns a value indicating the type of connection the modem will make. |
Value | Meaning |
0 | Normal mode enabled |
1 | Direct mode enabled |
2 | MNP reliable mode enabled |
3 | Auto-reliable mode or MNP auto-reliable mode enabled |
4 | V.42 auto-reliable mode or MNP auto-reliable mode enabled |
5 | V.42 reliable mode enabled |
DISPLAY INFORMATION | |
Type: | Immediate |
Format: | AT [cmds] In [cmds] |
Description: | Displays information requested about the modem. |
Command | Function |
I0 | Displays product identification code. |
I1 | Displays country code. |
I2 | Displays OEM string. |
I4 | Displays EPROM type. |
I5 | Displays DSP chip version. |
I9 | Displays flash ROM checksum. |
EXTENDED RESULT CODES | |
Type: | Register |
Format: | AT [cmds] S41? [cmds] |
Description: | Displays selection of which extended result codes will be displayed. |
Value | Meaning |
0 | Enables CONNECT result codes to report DTE speed. If S95=0, then all extended connection result codes are disabled. |
1 | Enables CONNECT result codes to report DTE speed. If S95=0, then all CARRIER and PROTOCOL extended result codes are enabled. |
2 | Enables CONNECT result codes to report DCE speed. If S95=0, then all extended result codes are disabled. |
HDLC ADDRESS | |
Type: | Register |
Format: | AT [cmds] S20=n [cmds] |
Default: | 0 |
Range: | 0-255 |
Unit: | 1 ASCII character |
Description: | Sets the HDLC address and BSC character. |
LINE SPEED | |
Type: | Register (read-only) |
Format | AT [cmds] S37? [cmds] |
Description: | Displays the maximum allowable data exchange rate attempted during handshake process. |
Command | Function |
í S37=0 | Speed of last command. |
S37=3 | Connect at 300bps. |
S37=5 | Connect at 1200bps. |
S37=6 | Connect at 2400bps. |
S37=7 | Connect at 4800bps. |
S37=8 | Connect at 7200bps. |
S37=9 | Connect at 9600bps. |
S37=10 | Connect at 12Kbps. |
S37=11 | Connect at 14.4Kbps. |
S37=12 | Connect at 16.8Kbps. |
S37=13 | Connect at 19.2Kbps. |
S37=14 | Connect at 21.6Kbps. |
S37=15 | Connect at 24Kbps. |
S37=16 | Connect at 26.4Kbps. |
S37=17 | Connect at 28.8Kbps. |
LOCAL SERIAL PORT SPEED | ||
Type: | Register (read-only) | |
Format: | AT [cmds] S62? [cmds] | |
Description: | Returns a value indicating the speed of the local serial port. | |
Value | Meaning | |
0 | Serial port speed set to 300bps. | |
1 | Serial port speed set to 600bps. | |
2 | Serial port speed set to 1200bps. | |
3 | Serial port speed set to 2400bps. | |
4 | Serial port speed set to 4800bps. | |
5 | Serial port speed set to 7200bps. | |
6 | Serial port speed set to 9600bps. | |
7 | Serial port speed set to 12Kbps. | |
8 | Serial port speed set to 14.4Kbps. | |
9 | Serial port speed set to 16.8Kbps. | |
10 | Serial port speed set to 19.2Kbps. | |
11 | Serial port speed set to 21.6Kbps. | |
12 | Serial port speed set to 24Kbps. | |
13 | Serial port speed set to 26.4Kbps. | |
14 | Serial port speed set to 28.8Kbps. | |
15 | Serial port speed set to 38.4Kbps. | |
16 | Serial port speed set to 57.6Kbps. | |
17 | Serial port speed set to 115.2Kbps. |
MAXIMUM BLOCK SIZE FOR TRANSMISSION | |
Type: | Register (read-only) |
Format: | AT [cmds] S49? [cmds] |
Description: | Displays the maximum transmittable block size in MNP mode. |
Value | Meaning |
0 | MNP block size is 64 characters |
1 | MNP block size is 128 characters |
2 | MNP block size is 192 characters |
3 | MNP block size is 256 characters |
MNP MODE | ||
Type: | Register | |
Format: | AT [cmds] S59=n [cmds] | |
Description: | Controls MNP mode. | |
Command | Function | |
S59=0 | MNP5 compression disabled. | |
í S59=1 | MNP5 compression enabled. |
MODE OF OPERATION | ||
Type: | Register | |
Format: | AT [cmds] S50? [cmds] | |
Description: | Returns a value indicating the modem’s current operating mode. | |
Value | Meaning | |
0 | Modem is in data mode. | |
1 | Modem is in fax mode. |
ROUND TRIP DELAY | |
Type: | Register |
Format: | AT [cmds] S65=n [cmds] |
Default: | Read-only |
Range: | Unidentified |
Unit: | .1 second |
Description: | The function of this register is unidentified. |
SLEEP TIMER | |
Type: | Register |
Format | AT [cmds] S46=n [cmds] |
Default: | 255 |
Range: | 0-255 |
Unit: | .1 second |
Description: | Maximum duration of DTE and DCE inactivity allowed prior to initiating low-power sleep mode. Setting S46 to 255 disables this feature. |
SLEEP TIMER | |
Type: | Register |
Format | AT [cmds] S47=n [cmds] |
Default: | 255 |
Range: | 0-255 |
Unit: | Unidentified |
Description: | Maximum duration of DTE and DCE inactivity allowed prior to initiating power-down sleep mode. Setting S47 to 255 disables this feature. |
V.42bis DICTIONARY SIZE | |
Type: | Register (read-only) |
Format: | AT [cmds] S57? [cmds] |
Description: | Returns a value indicating the V.42bis dictionary size. |
Value | Meaning |
0 | 512 byte dictionary selected. |
1 | 1024 byte dictionary selected. |
2 | 1536 byte dictionary selected. |
V.42bis MAXIMUM STRING LENGTH | |
Type: | Register |
Format: | AT [cmds] S58=n [cmds] |
Default: | 32 |
Range: | 6-64 |
Unit: | 1 ASCII character |
Description: | Sets the maximum string size for V.42bis compression. |