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 %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 \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 %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 Break received \B from remote modem \K0 Online command Break sent to Buffers cleared, mode enabled, remote modem and break sent to DTE send no break buffered cleared to remote modem \K1 Break sent to Break sent to Buffers cleared, remote modem remote modem and break sent to DTE and buffered buffered cleared cleared \K2 Online command Send break to Break sent mode enabled, remote modem immediately to send no break immediately DTE to remote modem \K3 Send break to Send break to Break sent remote modem remote modem immediately to immediately immediately DTE \K4 Online command Send break with Break sent with mode enabled, transmitted data received data to send no break the DTE to remote modem \K5 Send break with Send break with Break sent with transmitted transmitted data received data to data 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 -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 %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 \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 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"" Alphanumeric dialing switch; when a command like this is entered: ATDT1888"KICKME1", the modem (double quotes) 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 \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 \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 \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 %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. 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 \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 -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 "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 \X0 XON/XOFF signals trapped by local modem \X1 XON/XOFF passed through local modem