MAGICXPRESS =========== MX56V - R Card Type Modem/Fax card Chip Set Unidentified I/O Options Line out, phone in, microphone in, speaker out Maximum Modem Rate 56Kbps Maximum Fax Rate 14.4Kbps Data Modulation Bell 103A/212A Protocol ITU-T V34, V34+, V.32bis, V.32, V.22bis, V.23, V.22, V.21 Fax Modulation ITU-T V.17, V.27ter, V.29 Protocol Error MNP5, V.42, V.42bis Correction/Compression Fax Class Class I Data Bus 8-bit ISA Card Size Three-quarter length +------------------------------------------------------------+ | CONNECTIONS | |------------------------------------------------------------| | Function | Label | Function | Label | |------------------------------------------------------------| | Phone in | CN1 | Speaker out | CN3 | |--------------------------+----------+---------------+------| | Line out | CN2 | Microphone in | CN4 | +------------------------------------------------------------+ +------------------------------------------------------------+ | SERIAL PORT ADDRESS | |------------------------------------------------------------| | Setting | S1 | JP4 | JP5 | JP6 | JP8 | |---------------+-----------+-------+-------+-------+--------| | COM1 (3F8h) | 3 & 4, 7 | 1 & 2 | 1 & 2 | 1 & 2 | Open | | | & 8 | | | | | |---------------+-----------+-------+-------+-------+--------| | COM2 (2F8h) | 3 & 4, 11 | 1 & 2 | 1 & 2 | 1 & 2 | Open | | | & 12 | | | | | |---------------+-----------+-------+-------+-------+--------| | COM3 (3E8h) | 1 & 2, 7 | 1 & 2 | 1 & 2 | 1 & 2 | Open | | | & 8 | | | | | |---------------+-----------+-------+-------+-------+--------| | COM4 (2E8h) | 1 & 2 11 | 1 & 2 | 1 & 2 | 1 & 2 | Open | | | & 12 | | | | | |---------------+-----------+-------+-------+-------+--------| | Plug and play | N/A | 2 & 3 | 2 & 3 | 2 & 3 | Closed | | enabled | | | | | | |------------------------------------------------------------| | Note: Pins designated are in the closed position. | +------------------------------------------------------------+ +------------------------------------------------------------+ | IRQ INTERRUPT | |------------------------------------------------------------| | Setting | S1 | |----------------------------+-------------------------------| | IRQ3 | Pins 9 & 10 closed | |----------------------------+-------------------------------| | IRQ4 | Pins 5 & 6 closed | |----------------------------+-------------------------------| | IRQ5 | Pins 13 & 14 closed | |----------------------------+-------------------------------| | IRQ7 | Pins 15 & 16 closed | +------------------------------------------------------------+ +------------------------------------------------------------+ | SUPPORTED COMMAND SET | |------------------------------------------------------------| | Basic AT Commands | |------------------------------------------------------------| | AT, '+++', A/ | |------------------------------------------------------------| | A, B, C, E, H, M, O, P, Q, T, V, X, Y, Z | |------------------------------------------------------------| | &C, &D, &P, &V, &W, &Y, &Z | |------------------------------------------------------------| | Extended AT Commands | |------------------------------------------------------------| | \A, \B, \G | |------------------------------------------------------------| | %C, %L, %Q | |------------------------------------------------------------| | Special Commands | |------------------------------------------------------------| | +MS | |------------------------------------------------------------| | S Registers | |------------------------------------------------------------| | S0, S1, S2, S3, S4, S5, S6, S7, S8, S9, S10, S11, S12, | | S14, S18, S21, ,S24, S25,S26 | |------------------------------------------------------------| | S29, S30, S31, S32, S33, S38, S91, S92, S95 | |------------------------------------------------------------| | | |------------------------------------------------------------| | Note: See MHI Help File for full command documentation. | +------------------------------------------------------------+ Proprietary AT Command Set +------------------------------------------------------------+ | 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 | |--------------+---------------------------------------------| | i 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! | Flash function initiated. Modem commanded | | | to go off-hook for specified time before | | | returning on-hook. | |--------------+---------------------------------------------| | 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; | Modem returned to idle state after dialing. | | | The semicolon can only be placed at the end | | | of the dial command. | |--------------+---------------------------------------------| | D^ | Toggles calling tone enable/disable: | | | Applicable to current dialing attempt only | |--------------+---------------------------------------------| | DJ | Perform MNP 10 link negotiation at 1200bps | |--------------+---------------------------------------------| | DK | Enable power level adjustment during MNP 10 | | | link negotiation | +------------------------------------------------------------+ +------------------------------------------------------------+ | REPORT INFORMATION | |------------------------------------------------------------| | Type: | Immediate | |--------------+---------------------------------------------| | Format: | AT [cmds] In [cmds] | |--------------+---------------------------------------------| | Description: | Displays information requested | |--------------+---------------------------------------------| | Command | Function | |--------------+---------------------------------------------| | I0 | Reports four digit product code | |--------------+---------------------------------------------| | I1 | Reports ROM checksum | |--------------+---------------------------------------------| | I2 | Reports "ERROR" | |--------------+---------------------------------------------| | I3 | Reports firmware revision | |--------------+---------------------------------------------| | I4 | Reports OEM defined identifier string | |--------------+---------------------------------------------| | I5 | Reports country code parameter | |--------------+---------------------------------------------| | I6 | Reports modem data pump model and internal | | | code revision | |--------------+---------------------------------------------| | I7 | Reports the DAA code | +------------------------------------------------------------+ +------------------------------------------------------------+ | SPEAKER VOLUME | |------------------------------------------------------------| | Type: | Configuration | |--------------+---------------------------------------------| | Format: | AT [cmds] Ln [cmds] | |--------------+---------------------------------------------| | Description: | Controls speaker volume | |--------------+---------------------------------------------| | Command | Function | |--------------+---------------------------------------------| | L0 | Low volume setting | |--------------+---------------------------------------------| | i L1 | Low volume setting | |--------------+---------------------------------------------| | L2 | Medium volume setting | |--------------+---------------------------------------------| | L3 | Highest volume setting | +------------------------------------------------------------+ +------------------------------------------------------------+ | 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 | Auto-mode detection enabled | +------------------------------------------------------------+ +------------------------------------------------------------+ | NEGOTIATION PROGRESS | |------------------------------------------------------------| | Type: | Configuration | |--------------+---------------------------------------------| | Format: | AT [cmds] Wn [cmds] | |--------------+---------------------------------------------| | Description: | Reports error correction call progress | |--------------+---------------------------------------------| | Command | Function | |--------------+---------------------------------------------| | W0 | Enables CONNECT result codes to report DTE | | | speed. | |--------------+---------------------------------------------| | W1 | Enables CONNECT result codes to report line | | | speed, error correction protocol, and DTE | | | speed. | |--------------+---------------------------------------------| | W2 | Enables CONNECT result codes to report DCE | | | speed. | +------------------------------------------------------------+ +------------------------------------------------------------+ | 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 | Sets values to factory configuration 0 | |--------------+---------------------------------------------| | &F1 | Sets values to factory configuration 1 | +------------------------------------------------------------+ +------------------------------------------------------------+ | GUARD TONE | |------------------------------------------------------------| | Type: | Configuration | |--------------+---------------------------------------------| | Format: | AT [cmds] &Gn [cmds] | |--------------+---------------------------------------------| | Description: | Commands the modem to transmit a guard tone | | | in V.22/V.22bis | |------------------------------------------------------------| | Note: Used primarily for international data | | transmission | |------------------------------------------------------------| | Command | Function | |--------------+---------------------------------------------| | i &G0, &G1 | Guard tone disabled | |--------------+---------------------------------------------| | &G2 | 1800Hz guard tone enabled | +------------------------------------------------------------+ +------------------------------------------------------------+ | FLOW CONTROL | |------------------------------------------------------------| | Type: | Configuration | |--------------+---------------------------------------------| | Format: | AT [cmds] &Kn [cmds] | |--------------+---------------------------------------------| | Description: | Enables flow control options | |--------------+---------------------------------------------| | Command | Function | |--------------+---------------------------------------------| | &K0 | Flow control disabled | |--------------+---------------------------------------------| | &K3 | RTS/CTS flow control enabled | |--------------+---------------------------------------------| | &K4 | XON/XOFF flow control enabled | |--------------+---------------------------------------------| | &K5 | Transparent XON/XOFF flow control enabled | |--------------+---------------------------------------------| | i &K6 | Hardware and software flow control enabled | +------------------------------------------------------------+ +------------------------------------------------------------+ | COMMUNICATIONS MODE | |------------------------------------------------------------| | Type: | Configuration | |--------------+---------------------------------------------| | Format: | AT [cmds] &Mn [cmds] | |--------------+---------------------------------------------| | Description: | Selects communications mode options (same | | | as &Q) | +------------------------------------------------------------+ +------------------------------------------------------------+ | COMMUNICATIONS MODE | |------------------------------------------------------------| | Type: | Configuration | |--------------+---------------------------------------------| | Format: | AT [cmds] &Qn [cmds] | |--------------+---------------------------------------------| | Description: | Selects communications mode options | |--------------+---------------------------------------------| | Command | Mode | |--------------+---------------------------------------------| | &Q0 | Asynchronous mode, serial port speed | | | follows connect speed. | |--------------+---------------------------------------------| | &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 | |--------------+---------------------------------------------| | i &S0 | DSR forced high | |--------------+---------------------------------------------| | &S1 | DSR high only while modem is handshaking or | | | connected | +------------------------------------------------------------+ +------------------------------------------------------------+ | TEST MODES | |------------------------------------------------------------| | Type: | Immediate | |--------------+---------------------------------------------| | Format: | AT [cmds] &Tn | |--------------+---------------------------------------------| | Description: | Selects test options | |--------------+---------------------------------------------| | Command | Function | |--------------+---------------------------------------------| | &T0 | End current test | |--------------+---------------------------------------------| | &T1 | Begin local analog loopback test | |--------------+---------------------------------------------| | &T8 | Begin local analog loopback and self-test | +------------------------------------------------------------+ EXTENDED AT COMMAND SET +------------------------------------------------------------+ | BREAK TYPE | |------------------------------------------------------------| | Type: | Configuration | |---------------------+--------------------------------------| | Format: | AT [cmds] \Kn [cmds] | |---------------------+--------------------------------------| | Description: | Configures action of break signal | |------------------------------------------------------------| | Command | Break from | Break from DTE | Break received | | | DTE during | during direct | from remote | | | normal or | mode | modem | | | MNP mode | | | |-----------+--------------+----------------+----------------| | \K0 | Online | Send break to | Buffers | | | command mode | remote modem | cleared, break | | | enabled, | | sent to DTE | | | send no | | | | | break to | | | | | remote modem | | | |-----------+--------------+----------------+----------------| | \K1 | Break sent | Send break to | Buffers | | | to remote | remote modem | cleared, break | | | modem and | | sent to DTE | | | buffered | | | | | cleared | | | |-----------+--------------+----------------+----------------| | \K2 | Online | Send break to | Break sent | | | command mode | remote modem | immediately to | | | enabled, | | DTE | | | send no | | | | | break to | | | | | remote modem | | | |-----------+--------------+----------------+----------------| | \K3 | Send break | Send break to | Break sent | | | to remote | remote modem | immediately to | | | modem | | DTE | | | immediately | | | |-----------+--------------+----------------+----------------| | \K4 | Online | Send break to | Break sent | | | command mode | remote modem | with received | | | enabled, | | data to the | | | send no | | DTE | | | break to | | | | | remote modem | | | |-----------+--------------+----------------+----------------| | \K5 | Send break | Send break to | Break sent | | | with | remote modem | with received | | | transmitted | | data to the | | | data | | DTE | +------------------------------------------------------------+ +------------------------------------------------------------+ | 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 enabled | |--------------+---------------------------------------------| | \N1 | Direct mode enabled | |--------------+---------------------------------------------| | \N2 | Reliable mode enabled | |--------------+---------------------------------------------| | \N3 | Auto-reliable mode enabled | |--------------+---------------------------------------------| | \N4 | LAPM reliable mode enabled | |--------------+---------------------------------------------| | \N5 | MNP reliable mode enabled | +------------------------------------------------------------+ +------------------------------------------------------------+ | SINGLE LINE CONNECT MESSAGE | |------------------------------------------------------------| | Type: | Configuration | |--------------+---------------------------------------------| | Format: | AT [cmds] \Vn [cmds] | |--------------+---------------------------------------------| | Description: | Enables/disables single line connect | | | message format | |--------------+---------------------------------------------| | Command | Function | |--------------+---------------------------------------------| | \V0 | Connect messages are controlled by the | | | command settings X, W, and S95 | |--------------+---------------------------------------------| | \V1 | Connect messages are displayed in single | | | line format described below subject to the | | | command settings V and Q. In non-verbose | | | mode (V0) single line connect messages are | | | disabled and a single numeric result code | | | is generated for CONNECT DTE. | +------------------------------------------------------------+ +------------------------------------------------------------+ | AUTO-RETRAIN - AUTO-FALLBACK/FALL-FORWARD | |------------------------------------------------------------| | Type: | Configuration | |--------------+---------------------------------------------| | Format: | AT [cmds] %En [cmds] | |--------------+---------------------------------------------| | Description: | Controls auto-retrain mode and | | | fallback/fall-forward | |--------------+---------------------------------------------| | Command | Function | |--------------+---------------------------------------------| | i %E0 | Auto-retrain disabled | |--------------+---------------------------------------------| | %E1 | Auto-retrain enabled | |--------------+---------------------------------------------| | %E2 | Auto-fallback/fall-forward enabled | |--------------+---------------------------------------------| | %E3 | Auto-fallback/fall-forward enabled. Fast | | | hang-up. | +------------------------------------------------------------+ S(STATUS) -REGISTERS +------------------------------------------------------------+ | BIT-MAPPED REGISTER S22 | |------------------------------------------------------------| | Format | AT [cmds] S22=n [cmds] | |--------------+---------------------------------------------| | Range: | 0-255 | |--------------+---------------------------------------------| | Unit: | Bit-mapped | |--------------+---------------------------------------------| | Description: | Controls speaker volume and controls, | | | limits results codes, and pulse dial | | | make/break ratio. | |--------------+---------------------------------------------| | Bit | Value | Function | |------+-------+---------------------------------------------| | 1, 0 | 00 | Low volume | | | | | | | i 01 | Low level volume | | | | | | | 10 | Medium level volume | | | | | | | 11 | High level volume | |------+-------+---------------------------------------------| | 3, 2 | 00 | Speaker off | | | | | | | i 01 | Speaker off on carrier | | | | | | | 10 | Speaker always on | | | | | | | 11 | Speaker on during handshake | |------+-------+---------------------------------------------| | 6 - | 000 | Basic result codes only enabled | | 4 | | | | | 100 | Basic and connection speed result codes | | | | enabled | | | 101 | | | | | Basic and connection speed result codes and | | | 110 | dial tone detection enabled | | | | | | | 111 | All result codes except dialtone detection | | | | enabled | | | | | | | | All result codes enabled | |------+-------+---------------------------------------------| | 7 | 0 | Reserved | +------------------------------------------------------------+ +------------------------------------------------------------+ | BIT-MAPPED REGISTER S23 | |------------------------------------------------------------| | Format | AT [cmds] S23=n [cmds] | |--------------+---------------------------------------------| | Range: | 0-189 | |--------------+---------------------------------------------| | Unit: | Bit-mapped | |--------------+---------------------------------------------| | Description: | Grants/denies remote digital loopback, | | | controls DTE rate and parity, and sets | | | guard tone. | |--------------+---------------------------------------------| | Bit | Value | Function | |------+-------+---------------------------------------------| | 0 | 0 | Remote digital loopback denied | | | | | | | i 1 | Remote digital loopback allowed | |------+-------+---------------------------------------------| | 3 - | 000 | Sets serial port speed to 0-300bps | | 1 | | | | | 001 | Sets serial port speed to 600bps | | | | | | | 010 | Sets serial port speed to 1200bps | | | | | | | i 011 | Sets serial port speed to 2400bps | | | | | | | 100 | Sets serial port speed to 4800bps | | | | | | | 101 | Sets serial port speed to 9600bps | | | | | | | 110 | Sets serial port speed to 19200bps | | | | | | | 111 | Sets serial port speed to 38400bps or | | | | higher | |------+-------+---------------------------------------------| | 5, 4 | 00 | Parity even | | | | | | | 01 | Not used | | | | | | | 10 | Parity odd | | | | | | | i 11 | Mark or No Parity | |------+-------+---------------------------------------------| | 7, 6 | i 00 | Guard tone disabled | | | | | | | 01 | Guard tone disabled | | | | | | | 10 | Guard tone 1800Hz enabled | +------------------------------------------------------------+ +------------------------------------------------------------+ | BIT-MAPPED REGISTER S28 | |------------------------------------------------------------| | Format | AT [cmds] S28=n [cmds] | |--------------+---------------------------------------------| | Range: | 0-31 | |--------------+---------------------------------------------| | Unit: | Bit-mapped | |--------------+---------------------------------------------| | Description: | Controls V.23 split speed, transmit/receive | | | speed, half duplex; and pulse dialing. | |--------------+---------------------------------------------| | Bit | Value | Function | |------+-------+---------------------------------------------| | 0-2 | 0 | Reserved | |------+-------+---------------------------------------------| | 4, 3 | i 00 | 39ms make/61ms break at 10pps | | | | | | | 01 | 33ms make/67ms break at 10pps | | | | | | | 10 | 39ms make/61ms break at 20pps | | | | | | | 11 | 33ms make/67ms break at 20pps | |------+-------+---------------------------------------------| | 5 | 0 | Reserved | |------+-------+---------------------------------------------| | 6-7 | i 0 | Link will be negotiated at highest possible | | | | speed | | | 01 | | | | | Link will be negotiated at 1200bps | | | 10 | | | | | Link will be negotiated at 4800bps | +------------------------------------------------------------+ +------------------------------------------------------------+ | BIT-MAPPED REGISTER S36 | |------------------------------------------------------------| | Format | AT [cmds] S36=n [cmds] | |--------------+---------------------------------------------| | Unit: | Bit-mapped | |--------------+---------------------------------------------| | Description: | This register is read when S48 contains the | | | value 128 or if an attempted link | | | correction fails. | |--------------+---------------------------------------------| | Bit | Value | Function | |------+-------+---------------------------------------------| | 0-2 | 000 | Modem disconnect | | | | | | | 001 | Modem stays on-line and direct mode | | | | connection is established | | | 010 | | | | | Not used | | | 011 | | | | | Modem stays online and a normal mode | | | 100 | connection is established | | | | | | | 101 | An MNP connection is attempted. If it | | | | fails, the modem disconnects | | | 110 | | | | | An MNP connection is attempted. If it | | | i 111 | fails, a direct mode connection is | | | | established | | | | | | | | Reserved | | | | | | | | An MNP connection is attempted. If it | | | | fails, a normal mode connection is | | | | established | +------------------------------------------------------------+ +------------------------------------------------------------+ | DCE LINE SPEED | |------------------------------------------------------------| | Type: | Register | |--------------+---------------------------------------------| | Format | AT [cmds] S37=n [cmds] | |--------------+---------------------------------------------| | Description: | Sets the maximum allowable data exchange | | | rate attempted during handshake process. | |--------------+---------------------------------------------| | Command | Function | |--------------+---------------------------------------------| | S37=0 | Speed of last connection | |--------------+---------------------------------------------| | S37=1 | 300bps | |--------------+---------------------------------------------| | S37=2 | 300bps | |--------------+---------------------------------------------| | S37=3 | 300bps | |--------------+---------------------------------------------| | S37=4 | Reserved | |--------------+---------------------------------------------| | S37=5 | V.22 at 1200bps | |--------------+---------------------------------------------| | S37=6 | V.22bis 2400bps | |--------------+---------------------------------------------| | S37=7 | V.23 | |--------------+---------------------------------------------| | S37=8 | V.32/V.32bis at 4800bps | |--------------+---------------------------------------------| | S37=9 | V.32/V.32bis at 9600bps | |--------------+---------------------------------------------| | S37=10 | V.32bis at 12.0Kbps | |--------------+---------------------------------------------| | S37=11 | V.32bis at 14.4Kbps | |--------------+---------------------------------------------| | S37=12 | V.32bis at 7200bps | +------------------------------------------------------------+ +------------------------------------------------------------+ | BIT-MAPPED REGISTER S39 | |------------------------------------------------------------| | Format | AT [cmds] S39=n [cmds] | |--------------+---------------------------------------------| | Unit: | Bit-mapped | |--------------+---------------------------------------------| | Description: | Displays the current flow control | |--------------+---------------------------------------------| | Bit | Value | Function | |------+-------+---------------------------------------------| | 0-2 | 000 | Flow control disabled | | | | | | | i 011 | RTS to CTS flow control disabled | | | | | | | 100 | XON/XOFF flow control enabled | | | | | | | 101 | Transparent XON/XOFF flow control enabled | | | | | | | 110 | UnidirectionalXON/XOFF flow control enabled | +------------------------------------------------------------+ +------------------------------------------------------------+ | BIT-MAPPED REGISTER S40 | |------------------------------------------------------------| | Format | AT [cmds] S40=n [cmds] | |--------------+---------------------------------------------| | Range: | 0-255 | |--------------+---------------------------------------------| | Unit: | Bit-mapped | |--------------+---------------------------------------------| | Description: | Controls power level and break handling; | | | selects MNP extended services, link | | | negotiation, and block size. | |--------------+---------------------------------------------| | Bit | Value | Function | |------+-------+---------------------------------------------| | 0-1 | 000 | MNP Extended Services disabled | | | | | | | i 001 | MNP Extended Services enabled | | | | | | | 010 | MNP Extended Services enabled | |------+-------+---------------------------------------------| | 1 | i 0 | Auto adjustment enabled | | | | | | | 1 | Forced adjustment disabled | |------+-------+---------------------------------------------| | 5, | 000 | AT\K0 | | 4, 3 | | | | | 001 | AT\K1 | | | | | | | 010 | AT\K2 | | | | | | | 011 | AT\K3 | | | | | | | 100 | AT\K4 | | | | | | | i 101 | AT\K5 | |------+-------+---------------------------------------------| | 7, 6 | 00 | MNP block size is 64 characters | | | | | | | i 01 | MNP block size is 128 characters | | | | | | | 10 | MNP block size is 192 characters | | | | | | | 11 | MNP block size is 256 characters | +------------------------------------------------------------+ +------------------------------------------------------------+ | BIT-MAPPED REGISTER S41 | |------------------------------------------------------------| | Format | AT [cmds] S41=n [cmds] | |--------------+---------------------------------------------| | Range: | 0-31 | |--------------+---------------------------------------------| | Unit: | Bit-mapped | |--------------+---------------------------------------------| | Description: | Selects compression, auto-retrain, flow | | | control, and MNP mode. | |--------------+---------------------------------------------| | Bit | Value | Function | |------+-------+---------------------------------------------| | 1 - | 00 | Data compression disabled | | 0 | | | | | 01 | MNP5 enabled | | | | | | | 10 | V.42bis enabled | | | | | | | i 11 | MNP5 and V.42bis enabled | |------+-------+---------------------------------------------| | 6,2 | i 00 | Auto-retrain disabled | | | | | | | 01 | Auto-retrain enabled | | | | | | | 10 | Fallback/fall forward enabled | |------+-------+---------------------------------------------| | 3 | i 0 | Flow control disabled | | | | | | | 1 | Flow control enabled | |------+-------+---------------------------------------------| | 4 | i 0 | Stream mode for MNP | | | | | | | 1 | Block mode for MNP | |------+-------+---------------------------------------------| | 5 | 0 | Reserved | |------+-------+---------------------------------------------| | 7 | 0 | Fallback to V.22bis/V22 disabled | | | | | | | i 1 | Fallback to V.22bis/V22 enabled | +------------------------------------------------------------+ +------------------------------------------------------------+ | 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 | |---------------+--------------------------------------------| | i 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 | |---------------+--------------------------------------------| | S48=7 | Detection negotiation and XID negotiation | | | enabled | |---------------+--------------------------------------------| | S48=128 | Fall-back to options set in S36 | +------------------------------------------------------------+ +------------------------------------------------------------+ | 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 | +------------------------------------------------------------+