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 MNP5, V.42, V.42bis Correction/Compression Fax Class Class I & II Data Bus PCMCIA Type II +------------------------------------------------------------+ | CONNECTIONS | |------------------------------------------------------------| | Function | Label | Function | Label | |-----------------------+-------+--------------------+-------| | MAM connector to | CN1 | Telephone line out | CN2 | | PCMCIA 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 | |--------------+---------------------------------------------| | i &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 | |--------------+---------------------------------------------| | i 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 | |--------------+---------------------------------------------| | i &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. | |--------------+---------------------------------------------| | i 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. | |--------------+---------------------------------------------| | i 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. | |--------------+---------------------------------------------| | i 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. | |--------------+---------------------------------------------| | i 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. | |--------------+---------------------------------------------| | i 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. | |--------------+---------------------------------------------| | i 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. | |--------------+---------------------------------------------| | i 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. | |--------------+---------------------------------------------| | i 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 | |-----------------------+------------------------------------| | i &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. | |--------------+---------------------------------------------| | i &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. | +------------------------------------------------------------+