XIRCOM, INC.
CM-28
Card Type | Modem (asynchronous) |
Chip Set | Unidentified |
Maximum Data Rate | 28.8Kbps |
Maximum Fax Rate | 14.4Kbps |
Data Bus | PCMCIA Type II |
Fax Class | Class I & II |
Data Modulation Protocol | AT&T V.32terbo Bell 212A ITU-T V.22, V.22bis, V.23, V.32, V.32bis, V.34 |
Fax Modulation Protocol | ITU-T V.17, V.21CH2, V.27ter, V.29 |
Error Correction/Compression | MNP5, V.42bis |
V1914
Proprietary AT Command Set
ACCEPT RELIABLE MODE | |
Type: | Immediate |
Format: | AT [cmds] \U [cmds] |
Description: | Accept remote’s request for reliable link |
AUTO-FALLBACK/FALL-FORWARD | |
Type: | Configuration |
Format: | AT [cmds] %Gn [cmds] |
Description: | Selects auto-fallback/fall-forward |
Command | Function |
í %G0 | Auto-fallback/fall-forward disabled |
%G1 | Auto-fallback/fall-forward enabled |
AUTO-RELIABLE FALLBACK CHARACTER | |
Type: | Configuration |
Format: | AT [cmds] %An [cmds] |
Default: | 13 |
Range: | 0-127 |
Unit: | ASCII |
Description: | Sets the character used as the auto-reliable fallback character; %A0 will disable this function. |
AUTO-RELIABLE TIME BUFFER CONFIGURATION | |
Type: | Configuration |
Format: | AT [cmds] \Cn [cmds] |
Description: | Controls the handling of incoming data during auto-reliable time period |
Command | Function |
í \C0 | Data is discarded |
\C1 | Data is buffered |
\C2 | Data is discarded; modem returns to normal mode on receiving auto-reliable fallback character. |
AUTO-RETRAIN | |
Type: | Configuration |
Format: | AT [cmds] %En [cmds] |
Description: | Selects auto-retrain mode |
Command | Function |
%E0 | Auto-retrain disabled |
í %E1 | Auto-retrain enabled |
BONG TONES | ||
Type: | Configuration | |
Format: | AT [cmds] S121=n [cmds] | |
Description: | Select the type of credit card bong the modem will recognize | |
Command | Function | |
S121=0 | AT&T enabled | |
S121=1 | MCI enabled |
BREAK SEND | |
Type: | Configuration |
Format: | AT [cmds] \Bn [cmds] |
Default: | 3 |
Range: | 1-9 |
Unit: | .1 second |
Description: | Sends break to modem |
BREAK TYPE | ||||
Type: | Configuration | |||
Format: | AT [cmds] \Kn [cmds] | |||
Description: | Configures action of break signal | |||
Command | Break from DTE | Modem receives \B | Break received from remote modem | |
\K0 | Online command mode enabled, send no break to remote modem | Break sent to remote modem and buffered cleared | Buffers cleared, break sent to DTE | |
\K1 | Break sent to remote modem and buffered cleared | Break sent to remote modem and buffered cleared | Buffers cleared, break sent to DTE | |
\K2 | Online command mode enabled, send no break to remote modem | Send break to remote modem immediately | Break sent immediately to DTE | |
\K3 | Send break to remote modem immediately | Send break to remote modem immediately | Break sent immediately to DTE | |
\K4 | Online command mode enabled, send no break to remote modem | Send break with transmitted data | Break sent with received data to the DTE | |
í \K5 | Send break with transmitted data | Send break with transmitted data | Break sent with received data to the DTE |
CALLING TONE | |
Type: | Configuration |
Format: | AT [cmds] -Cn [cmds] |
Description: | Controls whether the DTE will allow the modem to send a 1300Hz calling tone when originating. |
Command | Function |
í -C0 | Disable calling tone |
-C1 | Enable calling tone |
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 |
\N2 | Auto-reliable MNP mode |
í \N3 | Auto-reliable V.42 mode |
\N4 | Reliable V.42 mode |
COUNTRY CODES | ||
Type: | Register | |
Format: | AT [cmds] S133=n [cmds] | |
Description: | Selects the country code needed | |
Command | Function | |
í S133=0 | United states | |
S133=1 | United Kingdom | |
S133=2 | Germany | |
S133=3 | France | |
S133=4 | Belgium | |
S133=5 | Netherlands | |
S133=6 | Italy | |
S133=7 | Spain | |
S133=8 | Austria | |
S133=9 | Switzerland | |
S133=10 | Portugal | |
S133=11 | Sweden | |
S133=12 | Norway | |
S133=13 | Denmark | |
S133=14 | Finland |
COUNTRY CODES (CONTINUED) | ||
Type: | Register | |
Format: | AT [cmds] S133n [cmds] | |
Description: | Selects the country code needed | |
S133=15 | Cyprus | |
S133=16 | Czechoslovakia | |
S133=17 | Greece | |
S133=18 | Hungry | |
S133=19 | Poland | |
S133=20 | Russia | |
S133=21 | Turkey | |
S133=22 | Luxembourg | |
S133=23 | Iceland | |
S133=25 | Egypt | |
S133=26 | India | |
S133=27 | Kenya | |
S133=28 | South Africa | |
S133=29 | Morocco | |
S133=48 | Abu Dhabi | |
S133=49 | Australia | |
S133=50 | Bangladesh | |
S133=51 | China | |
S133=52 | Hong Kong | |
S133=53 | Indonesia | |
S133=54 | Japan | |
S133=55 | Korea | |
S133=56 | Malaysia | |
S133=57 | New Zealand | |
S133=58 | Philippines | |
S133=59 | Singapore | |
S133=96 | Argentina | |
S133=97 | Bolivia | |
S133=98 | Brazil | |
S133=99 | Chile | |
S133=100 | Colombia | |
S133=101 | Costa Rica | |
S133=102 | Guatemala | |
S133=103 | Mexico | |
S133=104 | Nicaragua | |
S133=105 | Paraguay | |
S133=106 | Peru | |
S133=107 | Uruguay | |
S133=108 | Venezuela | |
S133=128 | Kuwait | |
S133=129 | Oman | |
S133=130 | Saudi Arabia |
DIAL | |
Type: | Immediate |
Format: | AT [cmds] D <#> [cmds] |
Description: | Dials telephone number according to any modifiers included in the string |
Command | Function |
DP | Pulse dialing enabled |
DR | Dial in answer mode |
DS=n | Number in memory location n dialed |
D,(comma) | Dialing paused for amount of time specified in S8 register |
DT | Tone dialing enabled |
DW | Dialing resumed following dial tone detection |
D! | Flash function initiated; modem commanded to go on-hook for specified time |
D@ | Modem waits for a ring-back signal followed by silence up to the time specified in S7 prior to executing the rest of the dial string |
D; (semi-colon) | Modem returned to command mode after dialing |
D"" (double quotes) | Alphanumeric dialing switch; when a command like this is entered: ATDT1888"KICKME1", the modem changes the alpha characters into numbers; except for Q and Z. |
D$ | Waits for a bong tone up to the time specified in S7 prior to executing the rest of the dial string. |
DTE SPEED | |
Type: | Register |
Format: | AT [cmds] S122=n [cmds] |
Description: | Selects the DTE speed that will be shown with CONNECT message |
Note: The modem doesn’t use DTE speed, however some applications need this to attach to the CONNECT message. | |
Command | Function |
S122=0 | CONNECT |
S122=1 | CONNECT 1200 |
S122=2 | CONNECT 2400 |
S122=3 | CONNECT 4800 |
S122=4 | CONNECT 7200 |
S122=5 | CONNECT 9600 |
S122=6 | CONNECT 12000 |
S122=7 | CONNECT 14400 |
S122=8 | CONNECT 16800 |
S122=9 | CONNECT 19200 |
S122=10 | CONNECT 21600 |
S122=11 | CONNECT 24000 |
S122=12 | CONNECT 26400 |
S122=13 | CONNECT 28800 |
S122=14 | CONNECT 38400 |
S122=15 | CONNECT 57600 |
S122=16 | CONNECT 115200 |
S122=17 | CONNECT 230400 |
EXTENDED RESULT CODES | |
Type: | Configuration |
Format: | AT [cmds] \Vn [cmds] |
Description: | Selects extended result codes |
Command | Function |
í \V0 | Extended result codes disabled |
\V1 | Extended result codes enabled |
FLOW CONTROL | |
Type: | Configuration |
Format: | AT [cmds] \Gn [cmds] |
Description: | Selects modem port flow control |
Command | Function |
í \G0 | Flow control disabled |
\G1 | Flow control enabled |
FLOW CONTROL TYPE | |
Type: | Configuration |
Format: | AT [cmds] \Qn [cmds] |
Description: | Sets type of flow control used by modem |
Command | Function |
\Q0 | Flow control disabled |
\Q1 | XON/XOFF flow control enabled |
\Q2 | Unidirectional CTS/RTS flow control enabled |
í \Q3 | Bidirectional CTS/RTS flow control enabled |
INACTIVITY TIMER | |
Type: | Configuration |
Format: | AT [cmds] \Tn [cmds] |
Default: | 0 |
Range: | 0-90 |
Unit: | 1 minute |
Description: | Sets the length of time that the modem does not receive information before it disconnects. |
INITIATE RELIABLE MODE | |
Type: | Immediate |
Format: | AT [cmds] \O [cmds] |
Description: | Initiates reliable link from normal or direct mode |
INTERNATIONAL SETTINGS | ||
Type: | Configuration | |
Format: | AT [cmds] %TEn [cmds] | |
Description: | Enables the use of S133 for countries that require special modem settings | |
Command | Function | |
í %TE=0 | Disable S133 | |
%TE=1 | Enabled S133 |
HELP SCREENS | |
Type: | Immediate |
Format: | AT$ |
Description: | Shows command help screens for all commands beginning with the given prefix, or no prefix if none is given. |
HELP SCREEN - BORDERS | ||
Type: | Configuration | |
Format: | AT [cmds] S120=n [cmds] | |
Description: | Places a border around the help screen text | |
Command | Function | |
S120=0 | Enabled; uses IBM graphics characters. | |
í S120=1 | Disabled; no borders. |
MAXIMUM BLOCK SIZE FOR TRANSMISSION | |
Type: | Configuration |
Format: | AT [cmds] \An [cmds] |
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 |
í \A3 | MNP block size is 256 characters |
PROTOCOL/SPEED | ||
Type: | Configuration | |
Format: | AT [cmds] S43=n [cmds] | |
Description: | Sets the current DCE speed | |
Command | Function | |
S43=5 | Set to 1200bps | |
S43=6 | Set to 2400bps | |
S43=7 | Set to 4800bps | |
S43=8 | Set to 7200bps | |
S43=9 | Set to 9600bps | |
S43=10 | Set to 12Kbps | |
S43=11 | Set to 14.4Kbps | |
S43=12 | Set to 19.2Kbps | |
S43=15 | Set to 28.8Kbps | |
S43=26 | Set to 16.8Kbps | |
S43=29 | Set to 24Kbps | |
S43=33 | Set to 21.6Kbps | |
S43=34 | Set to 26.4Kbps |
REDIAL | |
Type: | Immediate |
Format: | AT [cmds] DL |
Description: | Redials the last number dialed |
REPORT INFORMATION | |
Type: | Immediate |
Format: | AT [cmds] In [cmds] |
Description: | Displays modem properties |
Command | Function |
I0 | Display product code |
I1 | Display ROM checksum |
I2 | Verify ROM checksum result |
I3 | Display firmware revision |
I4 | Display modem characteristics |
I6 | Reports current connection’s statistics |
SWITCH TO NORMAL MODE | |
Type: | Immediate |
Format: | AT [cmds] \Z [cmds] |
Description: | Switches to normal mode from reliable mode |
SWITCH TO RELIABLE MODE | |
Type: | Immediate |
Format: | AT [cmds] \Y [cmds] |
Description: | Switches to reliable mode from normal or direct mode |
V.42 - DETECTION PHASE | |
Type: | Configuration |
Format: | AT [cmds] -Jn [cmds] |
Description: | Controls V.42 detection |
Command | Function |
-J0 | V.42 detection disabled |
í -J1 | V.42 detection enabled |
V.42bis - COMPRESSION CONTROL | |
Type: | Configuration |
Format: | AT [cmds] "Hn [cmds] |
Description: | Controls V.42bis data compression |
Command | Function |
"H0 | V.42bis disabled |
"H1 | V.42bis when transmitting enabled |
"H2 | V.42bis when receiving enabled |
í "H3 | V.42bis when transmitting/receiving enabled |
V.42bis - DICTIONARY SIZE | |
Type: | Configuration |
Format: | AT [cmds] "Nn [cmds] |
Default: | Unidentified |
Range: | 512-2048 |
Unit: | Character |
Description: | Select V.42 dictionary size |
V.42bis - MAXIMUM STRING LENGTH | |
Type: | Immediate |
Format: | AT [cmds] "On [cmds] |
Default: | 32 |
Range: | 6-250 |
Unit: | Characters |
Description: | Selects string size for V.42bis compression |
XON/XOFF PASS-THROUGH | |
Type: | Configuration |
Format: | AT [cmds] \Xn [cmds] |
Description: | Selects whether XON/XOFF signals are sent to remote modem |
Command | Function |
í \X0 | XON/XOFF signals trapped by local modem |
\X1 | XON/XOFF passed through local modem |