IBM CORPORATION =============== PC CARD MODEM WITH GSM Card Type Modem, Fax Chip Set Unidentified Maximum Modem Rate 56Kbps Maximum Fax Rate 14.4Kbps Data Modulation Protocol Unidentified Fax Modulation Protocol Unidentified Error Correction/Compression Unidentified Fax Class Unidentified Data Bus PCMCIA 55021 +------------------------------------------------------------+ | SUPPORTED COMMAND SET | |------------------------------------------------------------| | Basic AT Commands | |------------------------------------------------------------| | AT, '+++', A/ | |------------------------------------------------------------| | A, B, E, F, H, M, O, Q, S, V, W, X, Y, Z | |------------------------------------------------------------| | &C, &D, &R, &T, &V, &W, &Y, &Z | |------------------------------------------------------------| | Extended AT Commands | |------------------------------------------------------------| | \A, \B, \K | |------------------------------------------------------------| | %C, %E, %L, %Q | |------------------------------------------------------------| | S Registers | |------------------------------------------------------------| | S0, S1, S2, S3, S4, S5, S6, S7, S8, S9, S10, S11, S12, | | S14, S16, S18, S21, S22, S25, S26, S29, | |------------------------------------------------------------| | S30, S31, S32, S33, S38, S40, S41, S95 | |------------------------------------------------------------| | Special Commands | |------------------------------------------------------------| | +MS | |------------------------------------------------------------| | Note: See MHI Help File for full command documentation. | +------------------------------------------------------------+ Proprietary AT Command Set +------------------------------------------------------------+ | AUTO-MODE DETECTION | |------------------------------------------------------------| | Type: | Configuration | |--------------+---------------------------------------------| | Format: | AT [cmds] Nn [cmds] | |--------------+---------------------------------------------| | Description: | Selects various options for the automatic | | | detection and negotiation of protocols | | | during the handshake process if the modem | | | is communicating with a remote modem of | | | dissimilar speed. | |--------------+---------------------------------------------| | Command | Function | |--------------+---------------------------------------------| | N0 | Auto-mode detection disabled | |--------------+---------------------------------------------| | i N1 | In originate mode, handshake begins at line | | | speed designated by the S37 register. Modem | | | can shift to a slower speed if necessary. | | | | | | In answer mode, handshake attempted with | | | the following protocols in order - V.FC, | | | V.32bis, V.32, V.22bis, V.22 or Bell 212, | | | V.21, and Bell 103 | +------------------------------------------------------------+ +------------------------------------------------------------+ | COMMUNICATIONS MODE | |------------------------------------------------------------| | Type: | Configuration | |--------------+---------------------------------------------| | Format: | AT [cmds] &Qn [cmds] | |--------------+---------------------------------------------| | Description: | Selects communications mode options | |--------------+---------------------------------------------| | Command | Mode | |--------------+---------------------------------------------| | i &Q0 | Direct asynchronous mode | |--------------+---------------------------------------------| | &Q4 | Auto-synchronous mode | |--------------+---------------------------------------------| | &Q5 | Error correction mode | |--------------+---------------------------------------------| | &Q6 | Buffered asynchronous mode | +------------------------------------------------------------+ +------------------------------------------------------------+ | DATA SET READY (DSR) | |------------------------------------------------------------| | Type: | Configuration | |--------------+---------------------------------------------| | Format: | AT [cmds] &Sn [cmds] | |--------------+---------------------------------------------| | Description: | Selects DSR options | |--------------+---------------------------------------------| | Command | Function | |--------------+---------------------------------------------| | &S0 | DSR forced high | |--------------+---------------------------------------------| | i &S1 | DSR high only while modem is handshaking or | | | connected | +------------------------------------------------------------+ +------------------------------------------------------------+ | DIAL | |------------------------------------------------------------| | Type: | Immediate | |--------------+---------------------------------------------| | Format: | AT [cmds] D<#> [cmds] | |--------------+---------------------------------------------| | Description: | Dials telephone number according to any | | | modifiers included in the string | |--------------+---------------------------------------------| | Note: | Any combination of modifiers can be used to | | | produce the desired dial functions in | | | sequence. | |--------------+---------------------------------------------| | Command | Function | |--------------+---------------------------------------------| | DL | Re-dial last number | |--------------+---------------------------------------------| | DP | Pulse dialing enabled | |--------------+---------------------------------------------| | DS=n | Dial stored telephone number n | |--------------+---------------------------------------------| | DT | Tone dialing enabled/Pulse dialing disabled | |--------------+---------------------------------------------| | DW | Dialing resumed following dial tone | | | detection | |--------------+---------------------------------------------| | D, | Dialing paused for amount of time specified | | | in S8 register | |--------------+---------------------------------------------| | D"WXY" | Optional method of denoting telephone | | | numbers. Letters enclosed in quotes are | | | interpreted as numbers according to the | | | system found on a telephone keypad. | |--------------+---------------------------------------------| | D^ | Changes the state of call tone | |--------------+---------------------------------------------| | D@ | Wait for Quite Answer function enabled. | | | Modem waits until a "quiet answer," a | | | ring-back signal followed by silence up to | | | the time specified in S7, is received prior | | | to executing the rest of the dial string. | |--------------+---------------------------------------------| | D& | Wait for credit card (bong) tone before | | | continuing with the dial string | |--------------+---------------------------------------------| | D; | Modem returned to idle state after dialing. | | | The semicolon can only be placed at the end | | | of the dial command. | +------------------------------------------------------------+ +------------------------------------------------------------+ | FACTORY DEFAULT PROFILE | |------------------------------------------------------------| | Type: | Configuration | |--------------+---------------------------------------------| | Format: | AT [cmds] &F [cmds] | |--------------+---------------------------------------------| | Description: | Sets values in active profile to values | | | found in the default profile | |--------------+---------------------------------------------| | Command | Function | |--------------+---------------------------------------------| | i &F0 | Load factory configuration 0 | +------------------------------------------------------------+ +------------------------------------------------------------+ | FLOW CONTROL | |------------------------------------------------------------| | Type: | Configuration | |--------------+---------------------------------------------| | Format: | AT [cmds] &Kn [cmds] | |--------------+---------------------------------------------| | Description: | Enables flow control options | |--------------+---------------------------------------------| | Command | Function | |--------------+---------------------------------------------| | &K0 | Flow control disabled | |--------------+---------------------------------------------| | i &K3 | RTS/CTS flow control enabled | |--------------+---------------------------------------------| | &K4 | XON/XOFF flow control enabled | |--------------+---------------------------------------------| | &K5 | Transparent XON/XOFF flow control enabled | |--------------+---------------------------------------------| | &K6 | Both RTS/CTS & XON/XOFF flow control | | | enabled | +------------------------------------------------------------+ +------------------------------------------------------------+ | REPORT INFORMATION | |------------------------------------------------------------| | Type: | Immediate | |--------------+---------------------------------------------| | Format: | AT [cmds] In [cmds] | |--------------+---------------------------------------------| | Description: | Displays information requested | |--------------+---------------------------------------------| | Command | Function | |--------------+---------------------------------------------| | I0 | Reports the product code | |--------------+---------------------------------------------| | I1 | Reports firmware checksum | |--------------+---------------------------------------------| | I2 | Tests and reports ROM checksum | |--------------+---------------------------------------------| | I3 | Report software release code | |--------------+---------------------------------------------| | I4 | Report product identifier | +------------------------------------------------------------+ +------------------------------------------------------------+ | SPEAKER VOLUME | |------------------------------------------------------------| | Type: | Configuration | |--------------+---------------------------------------------| | Format: | AT [cmds] Ln [cmds] | |--------------+---------------------------------------------| | Description: | Controls speaker volume | |--------------+---------------------------------------------| | Command | Function | |--------------+---------------------------------------------| | L0 | Lowest volume setting | |--------------+---------------------------------------------| | L1 | Low volume setting | |--------------+---------------------------------------------| | i L2 | Medium volume setting | |--------------+---------------------------------------------| | L3 | Highest volume setting | +------------------------------------------------------------+ Extended AT Commands +------------------------------------------------------------+ | ERROR CORECTION PROTOCOL | |------------------------------------------------------------| | Type: | Configuration | |--------------+---------------------------------------------| | Format: | AT [cmds] /Nn [cmds] | |--------------+---------------------------------------------| | Description: | Controls the error correction protocol | |--------------+---------------------------------------------| | Command | Function | |--------------+---------------------------------------------| | /N0 | MNP and LAPM disabled | |--------------+---------------------------------------------| | i /N1 | MNP and LAPM disabled | |--------------+---------------------------------------------| | /N2 | V.42 reliable enabled | |--------------+---------------------------------------------| | /N3 | V.42 auto-reliable mode enabled | |--------------+---------------------------------------------| | /N4 | LAPM reliable mode enabled | |--------------+---------------------------------------------| | /N5 | MNP reliable mode enabled | +------------------------------------------------------------+ +------------------------------------------------------------+ | INITIATE MNP RELIABLE MODE | |------------------------------------------------------------| | Type: | Immediate | |--------------+---------------------------------------------| | Format: | AT [cmds] \O [cmds] | |--------------+---------------------------------------------| | Description: | Initiates MNP reliable mode from normal or | | | direct mode | +------------------------------------------------------------+ S(status) -REGISTERS +------------------------------------------------------------+ | BIT-MAPPED REGISTER | |------------------------------------------------------------| | Type: | Register | |---------------+--------------------------------------------| | Format: | AT [cmds] S23=n [cmds] | |---------------+--------------------------------------------| | Unit: | Bit-mapped | |---------------+--------------------------------------------| | Description: | Digital loop-back control | |---------------+--------------------------------------------| | Bit | Value | Function | |-------+-------+--------------------------------------------| | 0 | 0 | Remote request for remote digital | | | | loop-back disabled | | | 1 | | | | | Remote request for remote digital | | | | loop-back enabled | |-------+-------+--------------------------------------------| | 3,2,1 | 000 | DTE baud rate = 300 | | | | | | | 010 | DTE baud rate = 1200 | | | | | | | 011 | DTE baud rate = 2400 | | | | | | | 100 | DTE baud rate = 4800 | | | | | | | 101 | DTE baud rate = 9600 | | | | | | | 111 | DTE baud rate = 19200 | |-------+-------+--------------------------------------------| | 5,4 | 00 | Parity even | | | | | | | 01 | Not used | | | | | | | 10 | Odd parity | | | | | | | 11 | No parity | +------------------------------------------------------------+ +------------------------------------------------------------+ | BIT-MAPPED REGISTER S27 | |------------------------------------------------------------| | Format | AT [cmds] S27=n [cmds] | |--------------+---------------------------------------------| | Default: | Unidentified | |--------------+---------------------------------------------| | Range: | 0-111 | |--------------+---------------------------------------------| | Unit: | Bit-mapped | |--------------+---------------------------------------------| | Description: | Selects synchronous/asynchronous mode, line | | | type, clock source, and ITU-T/Bell modes. | |--------------+---------------------------------------------| | Bit | Value | Function | |------+-------+---------------------------------------------| | 3, | 000 | Asynchronous mode, serial port speed | | 1, 0 | | follows connect speed | | | 001 | | | | | Asynchronous off-line command mode and | | | 010 | synchronous connect mode | | | | | | | 011 | Asynchronous off-line command mode; modem | | | | autodials first number in directory, then | | | 100 | synchronous connect mode | | | | | | | 101 | Asynchronous off-line command mode on low | | | | DTR, synchronous connect mode on high DTR | | | 111 | | | | | Auto-synchronous mode | | | | | | | | Error correction mode | | | | | | | | Buffered asynchronous mode | |------+-------+---------------------------------------------| | 6 | 0 | ITU/T mode | | | | | | | 1 | Bell mode | |------+-------+---------------------------------------------| | 7 | 0 | Reserved | +------------------------------------------------------------+ +------------------------------------------------------------+ | CONNECTION FAILURE CODES | |------------------------------------------------------------| | Type: | Register | |--------------+---------------------------------------------| | Format | AT [cmds] S86? [cmds] | |--------------+---------------------------------------------| | Description: | Reports codes which correspond to the | | | possible causes of a connection failure | |--------------+---------------------------------------------| | Value | Meaning | |--------------+---------------------------------------------| | 0 | Normal hang up | |--------------+---------------------------------------------| | 4 | Carrier signal lost | |--------------+---------------------------------------------| | 5 | No error-control detected for remote modem | | | during feature negotiation | |--------------+---------------------------------------------| | 9 | No common protocol found | |--------------+---------------------------------------------| | 12 | No failure - remote modem disconnected | | | normally | |--------------+---------------------------------------------| | 13 | Remote modem failed to respond after 10 | | | re-transmissions same message | |--------------+---------------------------------------------| | 14 | Violation of negotiated protocol caused | | | failure | +------------------------------------------------------------+ +------------------------------------------------------------+ | ERROR CORRECTION NEGOTIATION | |------------------------------------------------------------| | Type: | Register | |----------------+-------------------------------------------| | Format | AT [cmds] S36=n [cmds] | |----------------+-------------------------------------------| | Description: | Selects the action of the modem if it | | | fails to connect with the | | | error-correction protocol set in &Q. | |------------------------------------------------------------| | Bit | Value | Function | |-----------+--------+---------------------------------------| | 2, 1, 0 | 0 | Modem disconnects | | | | | | | 1 | Modem stays on-line and a direct mode | | | | connection is established | | | 10 | | | | | Reserved | | | 11 | | | | | Modem stays on-line and a normal mode | | | 100 | connection is established | | | | | | | 101 | An MNP connection is attempted and if | | | | it fails, the modem disconnects | | | 110 | | | | | An MNP connection is attempted and if | | | 111 | it fails, a direct mode connection is | | | | established | | | | | | | | Reserved | | | | | | | | An MNP mode connection is attempted | | | | and if it fails, a normal mode | | | | connection is established | |-----------+--------+---------------------------------------| | 7 - 3 | 0 | Reserved | +------------------------------------------------------------+ +------------------------------------------------------------+ | ERROR CORRECTION/COMPRESSION | |------------------------------------------------------------| | Type: | Register | |------------------------------------------------------------| | Format: | AT [cmds] S46=n [cmds] | |--------------+---------------------------------------------| | Description: | Selects active error correction and | | | compression protocols | |------------------------------------------------------------| | Command | Function | |---------------+--------------------------------------------| | S46=136 | LAP-M only, no compression | |---------------+--------------------------------------------| | S46=138 | LAP-M with V.42bis data compression | +------------------------------------------------------------+ +------------------------------------------------------------+ | FEATURE NEGOTIATION OPTIONS | |------------------------------------------------------------| | Type: | Register | |------------------------------------------------------------| | Format: | AT [cmds] S48=n [cmds] | |--------------+---------------------------------------------| | Description: | Selects active error correction and | | | compression protocols | |------------------------------------------------------------| | Command | Function | |---------------+--------------------------------------------| | S48=0 | Detection negotiation disabled, XID | | | negotiation disabled | |---------------+--------------------------------------------| | i S48=7 | Detection negotiation and XID negotiation | | | enabled | |---------------+--------------------------------------------| | S48=128 | Fall-back to options set in S36 | +------------------------------------------------------------+ +------------------------------------------------------------+ | FLOW CONTROL | |------------------------------------------------------------| | Type: | Register | |-----------------+------------------------------------------| | Format | AT [cmds] S39=n [cmds] | |-----------------+------------------------------------------| | Description: | Displays the current flow control | |-----------------+------------------------------------------| | Bit | Value | Function | |---------+-------+------------------------------------------| | 2, 1, 0 | 0 | No flow control | | | | | | | 11 | RTS/CTS | | | | | | | 100 | XON/XOFF | | | | | | | 101 | Transparent XON | | | | | | | 110 | Both RTS/CTS and XON/XOFF | |---------+-------+------------------------------------------| | 7 - 3 | 0 | Reserved | +------------------------------------------------------------+ +------------------------------------------------------------+ | LINE SPEED | |------------------------------------------------------------| | Type: | Register | |-----------------+------------------------------------------| | Format | AT [cmds] S37=n [cmds] | |-----------------+------------------------------------------| | Description: | Sets the line connection speed | |-----------------+------------------------------------------| | Bit | Value | Function | |---------+-------+------------------------------------------| | 4, | 00000 | Attempt auto mode connection | | 3,2,1,0 | | | | | 00010 | Attempt 300bps connection | | | | | | | 00100 | Attempt 300bps connection | | | | | | | 00110 | Attempt 300bps connection | | | | | | | 00100 | Reserved | | | | | | | 00101 | Attempt V.32bis/V.32 4800bps connection | | | | | | | 0110 | Attempt 2400bps connection | | | | | | | 11000 | Attempt V.23 connection | | | | | | | 11100 | Attempt V.32bis/V.32 9600bps connection | | | | | | | 11110 | Attempt V.32bis/V.32 12000bps connection |