CREATIX POLYMEDIA ================= LC 144 VF Card Type Modem Chip Set Unidentified I/O Options 25-pin serial port, power, microphone in, speaker jack Maximum Data Rate 56Kbps Maximum Fax Rate 14.4Kbps Fax Class Class I & II Data Modulation Bell 103A/212A Protocol ITU-T V.21, V.22, V.22bis, V.23, V.32, V.32bis Fax Modulation Protocol ITU-T V.17, V.21CH2, V.27ter, V.29 Error MNP5, V.42, V.42bis Correction/Compression Data Bus External +------------------------------------------------------------+ | CONNECTIONS | |------------------------------------------------------------| | Function | Label | Function | Label | |------------------------------------------------------------| | 25-pin serial port | CN1 | Speaker jack | CN3 | |-------------------------+---------+-----------------+------| | Power | CN2 | Microphone jack | CN4 | +------------------------------------------------------------+ +------------------------------------------------------------+ | DIAGNOSTIC LED(S) | |------------------------------------------------------------| | LED | Color | Status | Condition | |------+--------------+--------+-----------------------------| | PWR | Unidentified | On | Power is on | |------+--------------+--------+-----------------------------| | PWR | Unidentified | Off | Power is off | |------+--------------+--------+-----------------------------| | ONLN | Unidentified | On | Modem is switched to the | | | | | transmission line | |------+--------------+--------+-----------------------------| | ONLN | Unidentified | Off | Modem is not switched to | | | | | the transmission line | |------+--------------+--------+-----------------------------| | DSR | Unidentified | On | Answer tone is detected | |------+--------------+--------+-----------------------------| | DSR | Unidentified | Off | Answer tone not detected | |------+--------------+--------+-----------------------------| | DCD | Unidentified | On | Carrier signal detected | |------+--------------+--------+-----------------------------| | DCD | Unidentified | Off | Carrier signal not detected | |------+--------------+--------+-----------------------------| | CTS | Unidentified | On | Modem is ready to transmit | | | | | data | |------+--------------+--------+-----------------------------| | CTS | Unidentified | Off | Modem is not ready to | | | | | transmit data | |------+--------------+--------+-----------------------------| | RTS | Unidentified | On | Transmission is being | | | | | requested | |------+--------------+--------+-----------------------------| | RTS | Unidentified | Off | Transmission is not being | | | | | requested | |------+--------------+--------+-----------------------------| | DTR | Unidentified | On | Computer is ready for | | | | | operation | |------+--------------+--------+-----------------------------| | DTR | Unidentified | Off | Computer is not ready for | | | | | operation | +------------------------------------------------------------+ +------------------------------------------------------------+ | SUPPORTED COMMAND SET | |------------------------------------------------------------| | Basic AT Commands | |------------------------------------------------------------| | AT, A/ | |------------------------------------------------------------| | A, B, E, M, P, Q, T, V, W, X, Y, Z | |------------------------------------------------------------| | &C, &F, &R, &T, &V, &W, &X, &Y, &Z | |------------------------------------------------------------| | Extended AT Commands | |------------------------------------------------------------| | \A, \G, \J, \K, \L, \N | |------------------------------------------------------------| | %C, %F | |------------------------------------------------------------| | S Registers | |------------------------------------------------------------| | S0, S1, S2, S3, S4, S5, S6, S7, S8, S9, S10, S11, S12, | | S14, S16,S18, S24, S25, S26 | |------------------------------------------------------------| | S29, S30, S31, S32, S33, S38, S40, S95 | |------------------------------------------------------------| | V.25bis Commands | |------------------------------------------------------------| | CIC, CRI, CRN, CRS, DIC, PRI, PRN, RLN | |------------------------------------------------------------| | 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. Handshake | | | begins at line speed designated by the S37 | | | register. If S37=0 handshake follows | | | interface speed | |--------------+---------------------------------------------| | N1 | Auto-mode detection enabled. | +------------------------------------------------------------+ +------------------------------------------------------------+ | COMMUNICATIONS MODE | |------------------------------------------------------------| | Type: | Configuration | |--------------+---------------------------------------------| | Format: | AT [cmds] &Mn [cmds] | |--------------+---------------------------------------------| | Description: | Selects communications mode | |--------------+---------------------------------------------| | Command | Mode | |--------------+---------------------------------------------| | &M0 | Asynchronous mode | |--------------+---------------------------------------------| | &M1 | Synchronous connect mode and asynchronous | | | off-line command mode. | |--------------+---------------------------------------------| | &M2 | Synchronous connect mode and asynchronous | | | off-line command mode and set DTR high. | +------------------------------------------------------------+ +------------------------------------------------------------+ | COMMUNICATIONS MODE | |------------------------------------------------------------| | Type: | Configuration | |--------------+---------------------------------------------| | Format: | AT [cmds] &Qn [cmds] | |--------------+---------------------------------------------| | Description: | Selects communications mode options | |--------------+---------------------------------------------| | Command | Mode | |--------------+---------------------------------------------| | &Q0 | Asynchronous mode | |--------------+---------------------------------------------| | &Q1 | Synchronous connect mode and asynchronous | | | off-line command mode. | |--------------+---------------------------------------------| | &Q2 | Synchronous connect mode and asynchronous | | | off-line command mode and set DTR high. | |--------------+---------------------------------------------| | &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 | |--------------+---------------------------------------------| | &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 | |--------------+---------------------------------------------| | 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 1 second | |--------------+---------------------------------------------| | D! | Flash function initiated. Modem commanded | | | to go off-hook for specified time before | | | returning on-hook. | |--------------+---------------------------------------------| | D^ | Calling tone disabled | |--------------+---------------------------------------------| | D; | Modem returned to idle state after dialing. | | | The semicolon can only be placed at the end | | | of the dial command. | +------------------------------------------------------------+ +------------------------------------------------------------+ | 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 | |--------------+---------------------------------------------| | &K6 | RTS/CTS & XON/XOFF flow control enabled | +------------------------------------------------------------+ +------------------------------------------------------------+ | 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 | |--------------+---------------------------------------------| | &G0 | Guard tone disabled | |--------------+---------------------------------------------| | &G1 | Guard tone disabled | |--------------+---------------------------------------------| | &G2 | 1800Hz guard tone enabled | +------------------------------------------------------------+ +------------------------------------------------------------+ | HOOK CONTROL | |------------------------------------------------------------| | Type: | Immediate | |--------------+---------------------------------------------| | Format: | AT [cmds] Hn [cmds] | |--------------+---------------------------------------------| | Description: | Selects whether the modem is on-hook or | | | off-hook | |--------------+---------------------------------------------| | Command | Function | |--------------+---------------------------------------------| | H0 | Modem commanded to go on-hook (hang-up) | +------------------------------------------------------------+ +------------------------------------------------------------+ | MODULATION & SPEED | |------------------------------------------------------------| | Type: | Configuration | |--------------+---------------------------------------------| | Format: | AT [cmds] Fn [cmds] | |--------------+---------------------------------------------| | Description: | Selects interface speed and modulation | |--------------+---------------------------------------------| | Command | Function | |--------------+---------------------------------------------| | F0 | Automatic speed negotiation | |--------------+---------------------------------------------| | F1 | V.21 or Bell 103 (ATB) | |--------------+---------------------------------------------| | F3 | V.23 75/1200bps | |--------------+---------------------------------------------| | F4 | V.22 at 1200bps | |--------------+---------------------------------------------| | F5 | V.22 at 2400bps; fallback to 1200bps | |--------------+---------------------------------------------| | F6 | V.32bis or V.32 at 4800bps | |--------------+---------------------------------------------| | F7 | V.32bis at 7200bps | |--------------+---------------------------------------------| | F8 | V32bis or V.32 at 9600bps | |--------------+---------------------------------------------| | F9 | V.32bis at 12.0Kbps | |--------------+---------------------------------------------| | F10 | V.32bis at 14.4Kbps | +------------------------------------------------------------+ +------------------------------------------------------------+ | ON-LINE | |------------------------------------------------------------| | Type: | Immediate | |---------------+--------------------------------------------| | Format: | AT [cmds] On [cmds] | |---------------+--------------------------------------------| | Description: | Controls on-line command (data | | | transmission) state options. | |------------------------------------------------------------| | Note: The O command must be placed at the end of the | | command string. | |------------------------------------------------------------| | Command | Function | |---------------+--------------------------------------------| | O0 | On-line command mode with no retraining | | | enabled | +------------------------------------------------------------+ +------------------------------------------------------------+ | REPORT INFORMATION | |------------------------------------------------------------| | Type: | Immediate | |--------------+---------------------------------------------| | Format: | AT [cmds] In [cmds] | |--------------+---------------------------------------------| | Description: | Displays information requested | |--------------+---------------------------------------------| | Command | Function | |--------------+---------------------------------------------| | I0 | Reports product code | |--------------+---------------------------------------------| | I1 | Reports ROM checksum | |--------------+---------------------------------------------| | I2 | Tests and reports ROM checksum | |--------------+---------------------------------------------| | I3 | Reports firmware version | |--------------+---------------------------------------------| | I4 | Reports device name | |--------------+---------------------------------------------| | I5 | Reports country code | |--------------+---------------------------------------------| | I6 | Reports data pump model | +------------------------------------------------------------+ +------------------------------------------------------------+ | SPEAKER VOLUME | |------------------------------------------------------------| | Type: | Configuration | |--------------+---------------------------------------------| | Format: | AT [cmds] Ln [cmds] | |--------------+---------------------------------------------| | Description: | Controls speaker volume. Hardware currently | | | limits speaker settings to on/off | |--------------+---------------------------------------------| | Command | Function | |--------------+---------------------------------------------| | i L0, L1 | Low volume setting | |--------------+---------------------------------------------| | L2 | Medium volume setting | |--------------+---------------------------------------------| | L3 | High volume setting | +------------------------------------------------------------+ EXTENDED AT COMMAND SET +------------------------------------------------------------+ | 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 | +------------------------------------------------------------+ +------------------------------------------------------------+ | BREAK SEND | |------------------------------------------------------------| | Type: | Configuration | |--------------+---------------------------------------------| | Format: | AT [cmds] \Bn [cmds] | |--------------+---------------------------------------------| | Description: | Sends break to modem. Break signal is fixed | | | at 300ms | +------------------------------------------------------------+ +------------------------------------------------------------+ | DISPLAY CONFIGURATION | |------------------------------------------------------------| | Type: | Immediate | |--------------+---------------------------------------------| | Format: | AT [cmds] \Sn [cmds] | |--------------+---------------------------------------------| | Description: | Displays current modem configuration | +------------------------------------------------------------+ +------------------------------------------------------------+ | DISPLAY STORED NUMBERS | |------------------------------------------------------------| | Type: | Immediate | |--------------+---------------------------------------------| | Format: | AT [cmds] \Fn [cmds] | |--------------+---------------------------------------------| | Description: | Displays numbers stored with &Z | +------------------------------------------------------------+ +------------------------------------------------------------+ | V.23 - SPLIT-SPEED | |------------------------------------------------------------| | Type: | Configuration | |--------------+---------------------------------------------| | Format: | AT [cmds] \Wn [cmds] | |--------------+---------------------------------------------| | Description: | Controls V.23 split-speed mode | |--------------+---------------------------------------------| | Command | Function | |--------------+---------------------------------------------| | \W1 | V.23 split-speed mode enabled | +------------------------------------------------------------+ SPECIAL COMMANDS +------------------------------------------------------------+ | DISPLAY PASSWORDS | |------------------------------------------------------------| | Type: | Immediate | |--------------+---------------------------------------------| | Format: | AT [cmds] *L [cmds] | |--------------+---------------------------------------------| | Description: | Lists security passwords inserted into | | | callback numbers (*P) | +------------------------------------------------------------+ +------------------------------------------------------------+ | EXIT FROM REMOTE CONFIGURATION | |------------------------------------------------------------| | Type: | Configuration | |--------------+---------------------------------------------| | Format: | AT [cmds] *E [cmds] | |--------------+---------------------------------------------| | Description: | Exits modem from remote setting. Valid only | | | when modem is in remote setting (*R) | +------------------------------------------------------------+ +------------------------------------------------------------+ | MNP - EXTENDED SERVICES | |------------------------------------------------------------| | Type: | Configuration | |--------------+---------------------------------------------| | Format: | AT [cmds] -Kn [cmds] | |--------------+---------------------------------------------| | Description: | Selects MNP extended services | |--------------+---------------------------------------------| | Command | Function | |--------------+---------------------------------------------| | -K1 | MNP extended services enabled | +------------------------------------------------------------+ +------------------------------------------------------------+ | MNP10 - LINK NEGOTIATION | |------------------------------------------------------------| | Type: | Configuration | |--------------+---------------------------------------------| | Format: | AT [cmds] *Hn [cmds] | |--------------+---------------------------------------------| | Description: | Sets the speed at which MNP10 link | | | negotiation will occur | |--------------+---------------------------------------------| | Command | Function | |--------------+---------------------------------------------| | *H0 | Link will be negotiated at highest possible | | | speed | |--------------+---------------------------------------------| | *H1 | Link will be negotiated at 1200bps | +------------------------------------------------------------+ +------------------------------------------------------------+ | PASSWORDS FOR AUTOMATIC CALLBACK | |------------------------------------------------------------| | Type: | Immediate | |--------------+---------------------------------------------| | Format: | AT [cmds] *Pn [cmds] | |--------------+---------------------------------------------| | Range: | 0-19 | |--------------+---------------------------------------------| | Unit: | ASCII | |--------------+---------------------------------------------| | Description: | Stores passwords with their related | | | telephone numbers. Password is a 6-12 digit | | | string. Telephone number can be up to 40 | | | characters. | +------------------------------------------------------------+ +------------------------------------------------------------+ | REMOTE SECURITY CODE | |------------------------------------------------------------| | Type: | Configuration | |--------------+---------------------------------------------| | Format: | AT [cmds] *C [cmds] | |--------------+---------------------------------------------| | Description: | Executes security code feature of remote | | | setting. Password is a 6-12 digit string. | | | Default password is QWERTY | +------------------------------------------------------------+ +------------------------------------------------------------+ | REMOTE SETTING | |------------------------------------------------------------| | Type: | Immediate | |--------------+---------------------------------------------| | Format: | AT [cmds] *R [cmds] | |--------------+---------------------------------------------| | Description: | Remote setting is available if the function | | | is enabled and MNP connection is enabled | +------------------------------------------------------------+ S(status) REGISTERS +------------------------------------------------------------+ | BIT-MAPPED REGISTER S19 | |------------------------------------------------------------| | Format | AT [cmds] S19=n [cmds] | |--------------+---------------------------------------------| | Range: | 0-255 | |--------------+---------------------------------------------| | Unit: | Bit-mapped | |--------------+---------------------------------------------| | Description: | Selects synchronous/asynchronous mode, line | | | type, clock source, and ITU-T/Bell modes. | |--------------+---------------------------------------------| | Bit | Value | Function | |------+-------+---------------------------------------------| | 0 | 0 | Not used | |------+-------+---------------------------------------------| | 1 | 0 | BSC | | | | | | | 1 | HDLC | |------+-------+---------------------------------------------| | 2 | 0 | Address detector authorized | | | | | | | 1 | Address detector not authorized | |------+-------+---------------------------------------------| | 3 | 0 | NRZ1 | | | | | | | 1 | NRZ | |------+-------+---------------------------------------------| | 4 | 0 | Mark idle | | | | | | | 1 | Flag or sync idle | |------+-------+---------------------------------------------| | 5-7 | 0 | Not Used | +------------------------------------------------------------+ +------------------------------------------------------------+ | BIT-MAPPED REGISTER S21 | |------------------------------------------------------------| | Format | AT [cmds] S21=n [cmds] | |--------------+---------------------------------------------| | Range: | 0-253 | |--------------+---------------------------------------------| | Unit: | Bit-mapped | |--------------+---------------------------------------------| | Description: | Selects CTS/DCD/DSR signals, low DTR | | | action, and the long space disconnect | | | function. | |--------------+---------------------------------------------| | Bit | Value | Function | |------+-------+---------------------------------------------| | 0-1 | 0 | Not used | |------+-------+---------------------------------------------| | 2 | 0 | CTS forced high | | | | | | | 1 | CTS follows RTS | |------+-------+---------------------------------------------| | 4, 3 | 0 | Not used | |------+-------+---------------------------------------------| | 5 | 0 | DCD forced high | | | | | | | 1 | DCD normal | |------+-------+---------------------------------------------| | 6 | 0 | DSR forced high | | | | | | | 1 | DSR normal | |------+-------+---------------------------------------------| | 7 | 0 | Long space disconnect function disabled | | | | | | | 1 | Long space disconnect function enabled | +------------------------------------------------------------+ +------------------------------------------------------------+ | 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 level volume | | | | | | | 01 | Low level volume | | | | | | | 10 | Medium level volume | | | | | | | 11 | High level volume | |------+-------+---------------------------------------------| | 3, 2 | 00 | Speaker off | | | | | | | 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 | dialtone detection enabled | | | | | | | 111 | All result codes except dialtone detection | | | | enabled | | | | | | | | All result codes enabled | |------+-------+---------------------------------------------| | 7 | 0 | Not used | +------------------------------------------------------------+ +------------------------------------------------------------+ | 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 | | | | | | | 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 | | | | | | | 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 >19200bps | |------+-------+---------------------------------------------| | 5, 4 | 00 | Parity even | | | | | | | 01 | Not used | | | | | | | 10 | Parity odd | | | | | | | 11 | Mark or No Parity | |------+-------+---------------------------------------------| | 7, 6 | 00 | Guard tone disabled | | | | | | | 01 | Guard tone disabled | | | | | | | 10 | Guard tone 1800Hz enabled | +------------------------------------------------------------+ +------------------------------------------------------------+ | BIT-MAPPED REGISTER S27 | |------------------------------------------------------------| | Format | AT [cmds] S27=n [cmds] | |--------------+---------------------------------------------| | Range: | 0-111 | |--------------+---------------------------------------------| | Unit: | Bit-mapped | |--------------+---------------------------------------------| | Description: | Selects synchronous/asynchronous mode, line | | | type, clock source, and ITU-T/Bell modes. | |--------------+---------------------------------------------| | Bit | Value | Function | |------+-------+---------------------------------------------| | 1, | 00 | Asynchronous mode, serial port speed | | 0, 3 | | follows connect speed | | | 01 | | | | | Asynchronous off-line command mode and | | | 10 | synchronous connect mode | | | | | | | 11 | Asynchronous off-line command mode; modem | | | | autodials first number in directory, then | | | | synchronous connect mode | | | | | | | | Asynchronous off-line command mode on low | | | | DTR, synchronous connect mode on high DTR | |------+-------+---------------------------------------------| | 2 | 0 | Not Used | |------+-------+---------------------------------------------| | 5, 4 | 00 | Local modem generates transmit clock source | | | | | | | 01 | Local DTE generates transmit clock source | | | | | | | 10 | Impulse loop | |------+-------+---------------------------------------------| | 6 | 0 | ITU/T mode | | | | | | | 1 | Bell mode | |------+-------+---------------------------------------------| | 7 | 0 | Not Used | +------------------------------------------------------------+ +------------------------------------------------------------+ | 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 | 0 | V.23 split speed operation disabled | | | | | | | 1 | V.23 split speed operation enabled | |------+-------+---------------------------------------------| | 1 | 0 | 75bps transmit, 1200bps receive enabled | | | | | | | 1 | 1200bps transmit, 75bps receive enabled | |------+-------+---------------------------------------------| | 2 | 0 | V.23 half-duplex disabled | | | | | | | 1 | 1200bps transmit, 1200bps receive enabled | |------+-------+---------------------------------------------| | 3-7 | 0 | Not used | +------------------------------------------------------------+ +------------------------------------------------------------+ | 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 | | | | | | | 11 | MNP5 and V.42bis enabled | |------+-------+---------------------------------------------| | 2 | 0 | Automatic retrain enabled | | | | | | | 1 | Automatic retrain disabled | |------+-------+---------------------------------------------| | 3 | 0 | Flow control disabled | | | | | | | 1 | Flow control enabled | |------+-------+---------------------------------------------| | 4 | 0 | Stream mode for MNP | | | | | | | 1 | Block mode for MNP | |------+-------+---------------------------------------------| | 5-7 | 0 | Not Used | +------------------------------------------------------------+ +------------------------------------------------------------+ | BIT-MAPPED REGISTER S80 | |------------------------------------------------------------| | Format | AT [cmds] S80=n [cmds] | |--------------+---------------------------------------------| | Range: | 0-255 | |--------------+---------------------------------------------| | Unit: | Bit-mapped | |--------------+---------------------------------------------| | Description: | Selects password protect, command switch | |--------------+---------------------------------------------| | Bit | Value | Function | |------+-------+---------------------------------------------| | 0-4 | 0 | Not used | |------+-------+---------------------------------------------| | 5 | 0 | AT command set | | | | | | | 1 | V.25bis command set | |------+-------+---------------------------------------------| | 6 | 0 | Remote configuration enabled | | | | | | | 1 | Remote configuration disabled | |------+-------+---------------------------------------------| | 7 | 0 | Automatic callback not protected by | | | | password | | | 1 | | | | | Automatic callback protected by password | +------------------------------------------------------------+ +------------------------------------------------------------+ | BREAK OPTIONS | |------------------------------------------------------------| | Type: | Register | |--------------+---------------------------------------------| | Format | AT [cmds] S82=n [cmds] | |--------------+---------------------------------------------| | Description: | Sets the method for break transmission | | | during error-control and ASB connections. | |------------------------------------------------------------| | Command | Function | |------------+-----------------------------------------------| | S82=3 | Expedited signaling, immediately send timed | | | break | |------------+-----------------------------------------------| | S82=7 | Destructive signaling, buffers cleared, | | | immediately send timed break | |------------+-----------------------------------------------| | S82=128 | In-sequence signaling, timed break sent in | | | sequence with transmitted data | +------------------------------------------------------------+ +------------------------------------------------------------+ | 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 | +------------------------------------------------------------+ +------------------------------------------------------------+ | 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 | Automatic speed recognition | |--------------+---------------------------------------------| | S37=1 | 300bps | |--------------+---------------------------------------------| | S37=2 | 300bps | |--------------+---------------------------------------------| | S37=3 | 300bps | |--------------+---------------------------------------------| | S37=5 | 1200bps | |--------------+---------------------------------------------| | S37=6 | 2400bps | |--------------+---------------------------------------------| | S37=7 | V.23 | |--------------+---------------------------------------------| | S37=8 | 4800bps | |--------------+---------------------------------------------| | S37=9 | 9600bps | |--------------+---------------------------------------------| | S37=10 | 12.0Kbps | |--------------+---------------------------------------------| | S37=11 | 14.4Kbps | |--------------+---------------------------------------------| | S37=12 | 7200bps | +------------------------------------------------------------+ +------------------------------------------------------------+ | 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. | |--------------+---------------------------------------------| | Command | Function | |--------------+---------------------------------------------| | S36=0 | Hang up | |--------------+---------------------------------------------| | S36=1 | Attempt a direct connection | |--------------+---------------------------------------------| | S36=3 | Attempt a buffered connection | |--------------+---------------------------------------------| | S36=4 | Attempt a connection at MNP2-4; if that | | | fails, hang up. | |--------------+---------------------------------------------| | S36=5 | Attempt a connection at MNP2-4; if that | | | fails, attempt a direct connection. | |--------------+---------------------------------------------| | S36=7 | Attempt a connection at MNP2-4; if that | | | fails, attempt a buffered connection. | +------------------------------------------------------------+ +------------------------------------------------------------+ | 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 | |---------------+--------------------------------------------| | 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? [cmds] | |--------------+---------------------------------------------| | Description: | Displays the current flow control | |--------------+---------------------------------------------| | Value | Meaning | |--------------+---------------------------------------------| | 0 | Flow control disabled | |--------------+---------------------------------------------| | 3 | RTS/CTS flow control enabled | |--------------+---------------------------------------------| | 4 | XON/XOFF flow control enabled | |--------------+---------------------------------------------| | 5 | Transparent XON/XOFF flow control enabled | |--------------+---------------------------------------------| | 6 | RTS/CTS & XON/XOFF flow control enabled | +------------------------------------------------------------+ +------------------------------------------------------------+ | HDLC ADDRESS/BSC SYNCHRONOUS CHARACTER | |------------------------------------------------------------| | Type: | Register | |--------------+---------------------------------------------| | Format | AT [cmds] S20=n [cmds] | |--------------+---------------------------------------------| | Default: | 0 | |--------------+---------------------------------------------| | Range: | 0-255 | |--------------+---------------------------------------------| | Unit: | Unidentified | |--------------+---------------------------------------------| | Description: | Sets the HDLC address/BSC sychronous | | | character | +------------------------------------------------------------+