XIRCOM, INC. CM-33 Card Type Modem (asynchronous) Chipset Unidentified Maximum Onboard Memory 64KB SRAM/256KB Flash RAM Maximum Data Rate 33.6Kbps Maximum Fax Rate 14.4Kbps Data Modulation Bell 212A ITU-T V.22, V.22bis, V.23, V.32, V.32bis, V.34 AT&T V.32terbo Fax Modulation ITU-T V.17, V.27ter, V.29 Error Correction/Compression MNP5, V.42, V.42bis Fax Class Class I & II Data Bus PCMCIA Type II [Image] CONNECTIONS Function Label Function Label MAM connector to PCMCIA CN1 Telephone line out CN2 card DIAGNOSTIC LED(S) LED Color Status Condition LED1 Unidentified On Modem is receiving or transmitting data LED1 Unidentified Off Modem is not receiving or transmitting data LED2 Unidentified On Carrier signal detected LED2 Unidentified Off Carrier signal not detected SUPPORTED STANDARD COMMANDS Basic AT Commands +++, A/ A, D, E, H, M, N, P, Q, T, V, W, X, Y, Z &C, &D, &F, &G, &K, &P, &S, &V, &W, &Y, &Z Extended AT Commands \A, \B, \C, \G, \K, \N, \O, \Q, \T, \U, \V, \X, \Y, \Z %A, %C, %E, %G Special AT Commands -C, "H, -J, "O S-Registers S0, S1, S2, S3, S4, S5, S6, S7, S8, S9, S10, S11, S25, S30, S46, S82, S95, S108 Note: See MHI help file for complete information. Proprietary AT Command Set COMMUNICATIONS MODE Type: Configuration Format: AT [cmds] &Qn [cmds] Description: Selects communications mode options. Command Mode &Q5 V.42 error correction mode. &Q6 Buffered asynchronous mode. &Q8 MNP error correction mode. &Q9 V.42bis data compression or MNP4 error correction mode. CONNECTION FAILURE CODES Type: Register Format AT [cmds] S86? [cmds] Description: Returns a value which indicate the cause of a connection failure. Value Meaning 0 Normal hang up. 1 No failure - normal hang-up after fax connection. 4 Carrier signal lost. 5 No error-control detected for remote modem during feature negotiation. 6 Remote modem failed to respond to feature negotiation. 8 No common framing technique found. 9 No common protocol found. 10 Remote modem sent erroneous feature negotiation message. 12 No failure - remote modem disconnected normally. 13 Remote modem failed to respond after the allowed number of re-transmissions of the same message. 14 Violation of negotiated protocol caused failure. 15 Negotiated compression failed. 18 Time limit reached according to parameters set in S30. 19 Remote modem failed to respond after the allowed number of re-transmissions of the same message. 32 Disconnect tone received from telephone network. 33 User aborted connection. 34 DTR signal was lost. 99 Reason for disconnection not known. COUNTRY CODE Type: Register Format: AT [cmds] S133=n [cmds] Description: Selects the country the modem is configured for. Note: See the %TE command for more information. Not all options may be supported by all modems. Command Function S133=0 Country code set for the United States. S133=1 Country code set for Great Britain. S133=2 Country code set for Germany. S133=3 Country code set for France. S133=4 Country code set for Belgium. S133=5 Country code set for the Netherlands. S133=6 Country code set for Italy. S133=7 Country code set for Spain. S133=8 Country code set for Austria. S133=9 Country code set for Switzerland. S133=10 Country code set for Portugal. S133=11 Country code set for Sweden. S133=12 Country code set for Norway. S133=13 Country code set for Denmark. S133=14 Country code set for Finland. S133=15 Country code set for Cyprus. S133=16 Country code set for Czechoslovakia. S133=17 Country code set for Greece. S133=18 Country code set for Hungary. S133=19 Country code set for Poland. S133=20 Country code set for Russia. S133=21 Country code set for Turkey. S133=22 Country code set for Luxembourg. S133=23 Country code set for Iceland. S133=25 Country code set for Egypt. S133=26 Country code set for India. S133=27 Country code set for Kenya. S133=28 Country code set for South Africa. S133=29 Country code set for Morocco. S133=48 Country code set for Abu Dhabi. S133=49 Country code set for Australia. S133=50 Country code set for Bangladesh. S133=51 Country code set for China. S133=52 Country code set for Hong Kong. S133=53 Country code set for Indonesia. S133=54 Country code set for Japan. S133=55 Country code set for Korea. S133=56 Country code set for Malaysia. S133=57 Country code set for New Zealand. COUNTRY CODE (CON'T) Command Function S133=58 Country code set for the Philippines. S133=59 Country code set for Singapore. S133=96 Country code set for Argentina. S133=97 Country code set for Bolivia. S133=98 Country code set for Brazil. S133=99 Country code set for Chile. S133=100 Country code set for Colombia. S133=101 Country code set for Costa Rica. S133=102 Country code set for Guatemala. S133=103 Country code set for Mexico. S133=104 Country code set for Nicaragua. S133=105 Country code set for Paraguay. S133=106 Country code set for Peru. S133=107 Country code set for Uruguay. S133=108 Country code set for Venezuela. S133=128 Country code set for Kuwait. S133=129 Country code set for Oman. S133=130 Country code set for Saudi Arabia. CREDIT CARD TONE TYPE Type: Register Format: AT [cmds] S121=n [cmds] Description: Selects the type of credit card tone the modem will detect. Command Function S121=0 Modem will detect AT&T credit card tone. S121=1 Modem will detect MCI credit card tone. DIAL DISPLAY Type: Configuration Format: AT [cmds] &En [cmds] Description: Selects whether the modem will display each digit as it is being dialed. Command Function &E0 Dial display disabled. &E1 Dial display enabled. DISPLAY INFORMATION Type: Immediate Format: AT [cmds] In [cmds] Description: Displays information requested about the modem. Command Function I0 Reports product identification code. I1 Reports ROM checksum. I2 Tests and reports ROM checksum. I3 Reports firmware revision. I4 Displays feature bitmap. I6 Displays connection statistics. DTE CONNECT SPEED RESULT CODE Type: Register Format: AT [cmds] S122=n [cmds] Description: Selects the DTE speed that the modem will report in CONNECT messages. Command Function S122=0 Modem reports CONNECT. S122=1 Modem reports CONNECT 1200. S122=2 Modem reports CONNECT 2400. S122=3 Modem reports CONNECT 4800. S122=4 Modem reports CONNECT 7200. S122=5 Modem reports CONNECT 9600. S122=6 Modem reports CONNECT 12000. S122=7 Modem reports CONNECT 14400. S122=8 Modem reports CONNECT 16800. S122=9 Modem reports CONNECT 19200. S122=10 Modem reports CONNECT 21600. S122=11 Modem reports CONNECT 24000. S122=12 Modem reports CONNECT 26400. S122=13 Modem reports CONNECT 28800. S122=14 Modem reports CONNECT 38400. S122=15 Modem reports CONNECT 57600. S122=16 Modem reports CONNECT 115200. S122=17 Modem reports CONNECT 230400. HELP Type: Immediate Format: AT [cmds] $ Description: Displays help screens on the modem's commands. HELP SCREEN BORDER Type: Register Format: AT [cmds] S120=n [cmds] Description: Selects whether help screens will be displayed with an IBM Extended ASCII border around them. Command Function S120=0 Help screens are displayed with border. S120=1 Help screens are displayed without border. LINE SPEED - CURRENT Type: Register (read-only) Format: AT [cmds] S43? [cmds] Description: Returns a value indicating the speed of the current connection. Value Meaning 1 Speed of current connection is 1200/75bps. 2 Speed of current connection is 75/1200bps. 5 Speed of current connection is 1200bps. 6 Speed of current connection is 2400bps. 7 Speed of current connection is 4800bps. 8 Speed of current connection is 7200bps. 9 Speed of current connection is 9600bps. 10 Speed of current connection is 12Kbps. 11 Speed of current connection is 14.4Kbps. 15 Speed of current connection is 28.8Kbps. 16 Speed of current connection is 16.8Kbps. 17 Speed of current connection is 19.2Kbps. 19 Speed of current connection is 31.2Kbps. 20 Speed of current connection is 33.6Kbps. 29 Speed of current connection is 24Kbps. 33 Speed of current connection is 21.6Kbps. LINE SPEED - DESIRED Type: Register Format: AT [cmds] S37=n [cmds] Description: Sets the maximum allowable data exchange rate attempted during handshake process. Command Function S37=5 Set speed to 1200bps. S37=6 Set speed to 2400bps. S37=7 Set speed to 4800bps. S37=8 Set speed to 7200bps. S37=9 Set speed to 9600bps. S37=10 Set speed to 12Kbps. S37=11 Set speed to 14.4Kbps. S37=15 Set speed to 28.8Kbps. S37=16 Set speed to 16.8Kbps. S37=17 Set speed to 19.2Kbps. LINE SPEED - DESIRED (CON'T) Command Function S37=19 Set speed to 31.2Kbps. S37=20 Set speed to 33.6Kbps. S37=29 Set speed to 24Kbps. S37=33 Set speed to 21.6Kbps. ON-LINE Type: Immediate Format: AT [cmds] On Description: Instructs the modem to return to the on-line state. Command Function O0 Return to on-line state. O1 Return to on-line state and initiate retrain sequence. O3 Return to on-line state and initiate rate renegotiation sequence. PROTOCOL SELECTION Type: Register Format: AT [cmds] S110=n [cmds] Description: Selects which protocols the modem will use when attempting to negotiate a connection. Command Function S110=0 Modem will attempt to connect with V.23, V.22bis, V.22, or Bell 212A. S110=1 Modem will attempt to connect with V.32, V.23, V.22bis, V.22, or Bell 212A. S110=2 Modem will attempt to connect with V.32bis only. S110=3 Modem will attempt to connect with V.32bis, V.32, V.23, V.22bis, V.22, or Bell 212A. S110=4 Modem will attempt to connect with V.32terbo only. S110=5 Modem will attempt to connect with V.32terbo, V.32bis, V.32, V.23, V.22bis, V.22, or Bell 212A. S110=6 Modem will attempt to connect with 33.6Kbps V.34 only. S110=7 Modem will attempt to connect with 33.6Kbps V.34, V.32terbo, V.32bis, V.32, V.23, V.22bis, V.22, or Bell 212A. S110=8 Modem will attempt to connect with V.34 only. S110=9 Modem will attempt to connect with V.34, V.32terbo, V.32bis, V.32, V.23, V.22bis, V.22, or Bell 212A. PROTOCOL - 1200BPS Type: Configuration Format: AT [cmds] Bn [cmds] Description: Selects the protocol the modem will use at 1200bps. Command Function B0 Modem will use ITU-T V.22 at 1200bps. B1 Modem will use Bell 212A at 1200bps. B2 Modem will use ITU-T V.23 at 75/1200bps. B3 Modem will use ITU-T V.23 at 1200/75bps. PROTOCOL - 2400BPS Type: Configuration Format: AT [cmds] Bn [cmds] Description: Selects the protocol the modem will use at 2400bps. Command Function B30 Modem will use V.22bis at 2400bps. B33 Modem will use V.34 at 2400bps. PROTOCOL - 4800BPS Type: Configuration Format: AT [cmds] Bn [cmds] Description: Selects the protocol the modem will use at 4800bps. Command Function B41 Modem will use V.32 at 4800bps. B44 Modem will use V.34 at 4800bps. PROTOCOL - 9600BPS Type: Configuration Format: AT [cmds] Bn [cmds] Description: Selects the protocol the modem will use at 9600bps. Command Function B52 Modem will use V.32bis at 9600bps. B53 Modem will use V.34 at 9600bps. PROTOCOL - 12KBPS Type: Configuration Format: AT [cmds] Bn [cmds] Description: Selects the protocol the modem will use at 12Kbps. Command Function B70 Modem will use V.32 at 12Kbps. B72 Modem will use V.34 at 12Kbps. PROTOCOL - 14.4KBPS Type: Configuration Format: AT [cmds] Bn [cmds] Description: Selects the protocol the modem will use at 14.4Kbps. Command Function B75 Modem will use V.32bis at 14.4Kbps. B77 Modem will use V.34 at 14.4Kbps. S133 COMMAND Type: Configuration Format: AT [cmds] %TE=n [cmds] Description: Selects whether the S133 command has any function. Command Function %TE=0 S133 command has no function. %TE=1 S133 command sets country code. TRELLIS CODING Type: Configuration Format: AT [cmds] &Un [cmds] Description: Selects whether the modem will use trellis coding. Command Function &U0 Trellis coding enabled. &U1 Trellis coding disabled. V.32 - AUTO-RETRAIN Type: Configuration Format: AT [cmds] &Bn [cmds] Description: Controls auto-retrain function if poor line quality is detected. Command Function &B0 Auto-retrain disabled, modem hangs up. &B1 Auto-retrain enabled, modem hangs up if retrain fails. &B2 Auto-retrain disabled, modem does not hang up. V.42bis DICTIONARY SIZE Type: Configuration Format: AT [cmds] "Nn [cmds] Default: 2048 Range: 512 - 2048 Unit: 1 byte Description: Selects the size of the V.42bis dictionary.