SIMPLE TECHNOLOGY, INC. ======================= Modem Type Data (synchronous/asynchronous)/Fax/Voice Maximum Data Rate 14.4Kbps Maximum Fax Rate 14.4Kbps Data Bus PCMCIA Type II Fax Class Class I Data Modulation Bell 103A/212A Protocol ITU-T V.21, V.22bis, V.23, V.32, V.32bis Fax Modulation ITU-T V.17, V.21CH2, V.27ter, V.29 Protocol Error MNP5, V.42, V.42bis Correction/Compression V1477 Proprietary AT Command Set +------------------------------------------------------------+ | ACCEPT RELIABLE MODE | |------------------------------------------------------------| | Type: | Immediate | |--------------+---------------------------------------------| | Format: | AT [cmds] \U [cmds] | |--------------+---------------------------------------------| | Example: | AT \U B1 | |--------------+---------------------------------------------| | Description: | Accepts remote modem's request for reliable | | | link. | +------------------------------------------------------------+ +------------------------------------------------------------+ | AUTO FALL FORWARD/FALLBACK | |------------------------------------------------------------| | Type: | Configuration | |--------------+---------------------------------------------| | Format: | AT [cmds] %Gn [cmds] | |--------------+---------------------------------------------| | Example: | AT %G0 &W | |--------------+---------------------------------------------| | Description: | Selects auto fallback in V.32bis. | |--------------+---------------------------------------------| | Command | Function | |--------------+---------------------------------------------| |>> %G0 | Fallback disabled. | |--------------+---------------------------------------------| | %G1 | Fallback enabled. | +------------------------------------------------------------+ +------------------------------------------------------------+ | AUTO-RELIABLE FALLBACK CHARACTER | |------------------------------------------------------------| | Type: | Configuration | |--------------+---------------------------------------------| | Format: | AT [cmds] %An [cmds] | |--------------+---------------------------------------------| | Example: | AT%A13 | |--------------+---------------------------------------------| | Default: | 13 | |--------------+---------------------------------------------| | Range: | 0-127 | |--------------+---------------------------------------------| | Unit: | ASCII | |--------------+---------------------------------------------| | Description: | Sets the character used as the | | | auto-reliable fallback character. %A0 will | | | disable this function. | +------------------------------------------------------------+ +------------------------------------------------------------+ | AUTO-RELIABLE TIME BUFFER CONFIGURATION | |------------------------------------------------------------| | Type: | Configuration | |--------------+---------------------------------------------| | Format: | AT [cmds] \Cn [cmds] | |--------------+---------------------------------------------| | Example: | AT \C1 &W | |--------------+---------------------------------------------| | Description: | Controls the handling of incoming data | | | during auto-reliable time period. | |--------------+---------------------------------------------| | Command | Function | |--------------+---------------------------------------------| |>> \CO | Data is discarded. | |--------------+---------------------------------------------| | \C1 | Data is buffered. | |--------------+---------------------------------------------| | \C2 | Data is discarded, sets to normal mode and | | | sends auto-reliable character to serial | | | port. | +------------------------------------------------------------+ +------------------------------------------------------------+ | AUTO-RETRAIN | |------------------------------------------------------------| | Type: | Configuration | |--------------+---------------------------------------------| | Format: | AT %En | |--------------+---------------------------------------------| | Example: | AT %E1 | |--------------+---------------------------------------------| | Description: | Selects auto-retrain mode. | |--------------+---------------------------------------------| | Command | Function | |--------------+---------------------------------------------| | %E0 | Auto-retrain disabled. | |--------------+---------------------------------------------| |>> %E1 | Auto-retrain enabled. | +------------------------------------------------------------+ +------------------------------------------------------------+ | BIT-MAPPED REGISTER S14 | |------------------------------------------------------------| | Format | AT [cmds] S14? [cmds] | |-----------------+------------------------------------------| | Example: | ATS14? | |-----------------+------------------------------------------| | Default: | Read only | |-----------------+------------------------------------------| | Range: | 0-182 | |-----------------+------------------------------------------| | Unit: | Bit-mapped | |-----------------+------------------------------------------| | Description: | Displays echo, result codes, dumb mode, | | | dial mode, and answer/originate mode. | |------------------------------------------------------------| | Bit | Value | Function | |----------+---------------+---------------------------------| | 0 | 0 | Not used. | |----------+---------------+---------------------------------| | 1 | 0 | Command echo disabled. | | | | | | |>> 1 | Command echo enabled. | |----------+---------------+---------------------------------| | 2 | 0 | Result codes enabled. | | | | | | |>> 1 | Result codes disabled. | |----------+---------------+---------------------------------| | 3 | 0 | Not used. | |----------+---------------+---------------------------------| | 4 | 0 | Dumb mode off (normal). | | | | | | |>> 1 | Dumb mode on. | |----------+---------------+---------------------------------| | 5 |>> 0 | Tone dial enabled. | | | | | | | 1 | Pulse dial enabled. | |----------+---------------+---------------------------------| | 6 | 0 | Not used. | |----------+---------------+---------------------------------| | 7 | 0 | Answer mode enabled. | | | | | | |>> 1 | Originate mode enabled. | +------------------------------------------------------------+ +------------------------------------------------------------+ | BIT-MAPPED REGISTER S21 | |------------------------------------------------------------| | Format | AT [cmds] S21? [cmds] | |----------------+-------------------------------------------| | Example: | ATS21? | |----------------+-------------------------------------------| | Default: | Read only | |----------------+-------------------------------------------| | Range: | 0 - 253 | |----------------+-------------------------------------------| | Unit: | Bit-mapped | |----------------+-------------------------------------------| | Description: | Displays jack type, CTS signal, low DTR | | | action, DCD signal, DSR signal, and the | | | Long Space Disconnect function. | |------------------------------------------------------------| | Bit | Value | Function | |----------+-------+-----------------------------------------| | 0 |>> 0 | Selects RJ-11, RJ-41S, or RJ45S jack. | | | | | | | 1 | Selects RJ-12 or RJ-13 jack. | |----------+-------+-----------------------------------------| | 1 | 0 | Not used. | |----------+-------+-----------------------------------------| | 2 |>> 0 | CTS forced high. | | | | | | | 1 | CTS follows RTS. | |----------+-------+-----------------------------------------| | 4, 3 | 00 | DTR signal ignored. | | | | | | | 01 | Modem goes to command mode on low DTR. | | | | | | |>> 10 | Modem disconnects on low DTR. | | | | Auto-Answer is disabled. | | | 11 | | | | | Modem is initialized on low DTR. | |----------+-------+-----------------------------------------| | 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? [cmds] | |----------------+-------------------------------------------| | Example: | ATS22? | |----------------+-------------------------------------------| | Default: | Read only | |----------------+-------------------------------------------| | Range: | 0-255 | |----------------+-------------------------------------------| | Unit: | Bit-mapped | |----------------+-------------------------------------------| | Description: | Displays speaker volume and controls, and | | | limits results codes. | |------------------------------------------------------------| | Bit | Value | Function | |-----------+-------+----------------------------------------| | 1, 0 | 00 | Not used. | | | | | | | 01 | On 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, 5, 4 | 000 | Busy and dialtone detection disabled, | | | | result codes 0-4 enabled. | | | 100 | | | | | Busy and dialtone detection disabled, | | | 101 | result codes 0-5, 10 enabled. | | | | | | | 110 | Busy tone detection disabled, dialtone | | | | detection enabled, result codes 0-6, | | |>> 111 | 10 enabled. | | | | | | | | Busy tone detection enabled, dialtone | | | | detection disabled, result codes 0-5, | | | | 7, 10 enabled. | | | | | | | | Busy and dialtone detection enabled, | | | | result codes 0-7, 10 enabled. | |-----------+-------+----------------------------------------| | 7 |>> 0 | 39/61ms at 10pps (North America) | | | | | | | 1 | 33/67ms at 10pps (Europe) | +------------------------------------------------------------+ +------------------------------------------------------------+ | BIT-MAPPED REGISTER S23 | |------------------------------------------------------------| | Format | AT [cmds] S23? [cmds] | |-----------------+------------------------------------------| | Example: | ATS23? | |-----------------+------------------------------------------| | Default: | Read only | |-----------------+------------------------------------------| | Range: | 0-255 | |-----------------+------------------------------------------| | Unit: | Bit-mapped | |-----------------+------------------------------------------| | Description: | Displays remote digital loopback status, | | | DTE rate and parity, and guard tone. | |------------------------------------------------------------| | Bit | Value | Function | |------------+--------+--------------------------------------| | 0 | 0 | Remote digital loopback denied. | | | | | | |>> 1 | Remote digital loopback allowed. | |------------+--------+--------------------------------------| | 3, 2, 1 | 000 | Sets serial port speed to 0-300bps. | | | | | | | 001 | Sets serial port speed to 1200bps. | | | | | | | 010 | Sets serial port speed to 2400bps. | | | | | | | 011 | Sets serial port speed to 4800bps. | | | | | | | 100 | Sets serial port speed to 7200bps. | | | | | | | 101 | Sets serial port speed to 9600bps. | | | | | | | 110 | Sets serial port speed to 38400bps. | |------------+--------+--------------------------------------| | 5,4 |>> 00 | Parity even. | | | | | | | 01 | No Parity. | | | | | | | 10 | Parity odd. | | | | | | | 11 | Mark. | |------------+--------+--------------------------------------| | 7, 6 |>> 00 | Guard tone disabled. | | | | | | | 01 | Guard tone 550Hz enabled. | | | | | | | 10 | Guard tone 1800Hz enabled. | +------------------------------------------------------------+ +------------------------------------------------------------+ | BIT-MAPPED REGISTER S27 | |------------------------------------------------------------| | Format | AT [cmds] S27=n [cmds] | |-----------------+------------------------------------------| | Example: | ATS27=64 | |-----------------+------------------------------------------| | Default: | 64 | |-----------------+------------------------------------------| | Range: | 0 - 255 | |-----------------+------------------------------------------| | Unit: | Bit-mapped | |-----------------+------------------------------------------| | Description: | Controls communications mode, line type, | | | and protocol type. | |-----------------+------------------------------------------| | Note: | Be aware that bits 2 and 3 are out of | | | order. | |------------------------------------------------------------| | Bit | Value | Function | |------------+--------+--------------------------------------| | 3, 1, 0 |>> 0 | Asynchronous mode, serial port speed | | | | follows connect speed. | |------------+--------+--------------------------------------| | 2 |>> 0 | Switched line. | | | | | | | 1 | Lease line. | |------------+--------+--------------------------------------| | 5, 4 |>> 0 | Modem generates clock source. | |------------+--------+--------------------------------------| | 6 | 0 | Select CCITT protocols. | | | | | | |>> 1 | Select Bell protocols. | +------------------------------------------------------------+ +------------------------------------------------------------+ | BREAK SEND | |------------------------------------------------------------| | Type: | Configuration | |--------------+---------------------------------------------| | Format: | AT [cmds] \Bn [cmds] | |--------------+---------------------------------------------| | Example: | AT \B3 &W | |--------------+---------------------------------------------| | Default: | 3 | |--------------+---------------------------------------------| | Range: | 1-9 | |--------------+---------------------------------------------| | Unit: | .1 second | |--------------+---------------------------------------------| | Description: | Sends break to modem. | +------------------------------------------------------------+ +----------------------------------------------------------------+ | BREAK TYPE | |----------------------------------------------------------------| |Type: |Configuration | |------------------+---------------------------------------------| |Format: |AT [cmds] \Kn [cmds] | |------------------+---------------------------------------------| |Example: |AT \K1 | |------------------+---------------------------------------------| |Description: |Configures action of break signal. | |----------------------------------------------------------------| | Command |Break from DTE | Break from | Modem | Break from | | | | DTE |receives \B |remote modem| | |Reliable/Normal| | | | | | mode |Direct mode | | | |---------+---------------+------------+------------+------------| | \K0 |Enter command |Send break |Buffers |Buffers | | |mode, do not |to remote |cleared and |cleared and | | |send break to |modem |break sent |break sent | | |remote modem. |immediately,|to remote |to DTE. | | | |then enter |modem. | | | | |command | | | | | |mode. | | | |---------+---------------+------------+------------+------------| | \K1 |Buffers cleared|Send break |Buffers |Buffers | | |and break sent |to remote |cleared and |cleared and | | |to remote |modem |break sent |break sent | | |modem. |immediately.|to remote |to DTE. | | | | |modem. | | |---------+---------------+------------+------------+------------| | \K2 |Enter command |Send break |Send break |Send break | | |mode, do not |to remote |to remote |to DTE | | |send break to |modem |modem |immediately.| | |remote modem. |immediately,|immediately.| | | | |then enter | | | | | |command | | | | | |mode. | | | |---------+---------------+------------+------------+------------| | \K3 |Send break to |Send break |Send break |Send break | | |remote modem |to remote |to remote |to DTE | | |immediately. |modem |modem |immediately.| | | |immediately.|immediately.| | |---------+---------------+------------+------------+------------| | \K4 |Enter command |Send break |Send break |Break sent | | |mode, do not |to remote |to remote |with | | |send break to |modem |modem with |received | | |remote modem. |immediately,|transmitted |data to the | | | |then enter |data. |DTE. | | | |command | | | | | |mode. | | | |---------+---------------+------------+------------+------------| |>> \K5 |Send break with|Send break |Send break |Break sent | | |transmitted |to remote |to remote |with | | |data. |modem |modem with |received | | | |immediately.|transmitted |data to the | | | | |data. |DTE. | +----------------------------------------------------------------+ +------------------------------------------------------------+ | COMPRESSION | |------------------------------------------------------------| | Type: | Configuration | |--------------+---------------------------------------------| | Format: | AT %Cn | |--------------+---------------------------------------------| | Example: | AT *EC0 %C1 *AP0 | |--------------+---------------------------------------------| | Description: | Selects data compression. | |--------------+---------------------------------------------| | Command | Function | |--------------+---------------------------------------------| | %C0 | Data compression disabled. | |--------------+---------------------------------------------| |>> %C1 | Data compression enabled. | +------------------------------------------------------------+ +------------------------------------------------------------+ | DTE SPEED OPTION | |------------------------------------------------------------| | Type: | Configuration | |--------------+---------------------------------------------| | Format: | AT [cmds] \Jn [cmds] | |--------------+---------------------------------------------| | Example: | AT \J0 &W | |--------------+---------------------------------------------| | Description: | Controls the speed of the DTE. | |--------------+---------------------------------------------| | Command | Function | |--------------+---------------------------------------------| |>> \J0 | DCE and DTE rates are independent. | |--------------+---------------------------------------------| | \J1 | DTE rate adjusts to DCE rate after | | | connection. | +------------------------------------------------------------+ +------------------------------------------------------------+ | CALLING TONE | |------------------------------------------------------------| | Type: | Configuration | |--------------+---------------------------------------------| | Format: | AT [cmds] -Cn [cmds] | |--------------+---------------------------------------------| | Example: | AT -C0 &W | |--------------+---------------------------------------------| | Description: | Controls whether the DTE will allow the | | | modem to send a 1300Hz calling tone when | | | originating. | |--------------+---------------------------------------------| | Command | Function | |--------------+---------------------------------------------| |>> -C0 | Disable calling tone. | |--------------+---------------------------------------------| | -C1 | Enable calling tone. | +------------------------------------------------------------+ +------------------------------------------------------------+ | CONNECT MODE | |------------------------------------------------------------| | Type: | Configuration | |--------------+---------------------------------------------| | Format: | AT [cmds] \Nn [cmds] | |--------------+---------------------------------------------| | Example: | AT \N1 DT555-1212 | |--------------+---------------------------------------------| | Description: | Sets connect mode. | |--------------+---------------------------------------------| | Command | Function | |--------------+---------------------------------------------| | \N0 | Normal mode enabled. | |--------------+---------------------------------------------| | \N1 | Direct mode enabled | |--------------+---------------------------------------------| | \N2 | Reliable mode enabled. | |--------------+---------------------------------------------| | \N3 | Auto-reliable mode enabled. | |--------------+---------------------------------------------| | \N4 | LAPM mode enabled. | +------------------------------------------------------------+ +------------------------------------------------------------+ | CONVERT TO RELIABLE MODE | |------------------------------------------------------------| | Type: | Immediate | |--------------+---------------------------------------------| | Format: | AT [cmds] \Y [cmds] | |--------------+---------------------------------------------| | Example: | AT \Y | |--------------+---------------------------------------------| | Description: | Initiates reliable mode link. | +------------------------------------------------------------+ +------------------------------------------------------------+ | FLOW CONTROL | |------------------------------------------------------------| | Type: | Configuration | |--------------+---------------------------------------------| | Format: | AT [cmds] \Gn [cmds] | |--------------+---------------------------------------------| | Example: | AT \G1 &K3 | |--------------+---------------------------------------------| | Description: | Selects modem port flow control. | |--------------+---------------------------------------------| | Command | Function | |--------------+---------------------------------------------| |>> \G0 | Flow control disabled. | |--------------+---------------------------------------------| | \G1 | Flow control enabled. | +------------------------------------------------------------+ +------------------------------------------------------------+ | FLOW CONTROL TYPE | |------------------------------------------------------------| | Type: | Configuration | |--------------+---------------------------------------------| | Format: | AT [cmds] \Qn [cmds] | |--------------+---------------------------------------------| | Example: | AT \Q0 A | |--------------+---------------------------------------------| | Description: | Sets type of flow control used by modem. | |--------------+---------------------------------------------| | Command | Function | |--------------+---------------------------------------------| | \Q0 | Flow control disabled. | |--------------+---------------------------------------------| | \Q1 | XON/XOFF flow control enabled. | |--------------+---------------------------------------------| | \Q2 | CTS flow control to DTE enabled. | |--------------+---------------------------------------------| | \Q3 | RTS/CTS flow control enabled. | +------------------------------------------------------------+ +------------------------------------------------------------+ | INACTIVITY TIMER | |------------------------------------------------------------| | Type: | Immediate | |--------------+---------------------------------------------| | Format: | AT [cmds] S90=n [cmds] | |--------------+---------------------------------------------| | Example: | ATS90=20 | |--------------+---------------------------------------------| | Default: | 0 | |--------------+---------------------------------------------| | Range: | 0-255 | |--------------+---------------------------------------------| | Unit: | 1 minute | |--------------+---------------------------------------------| | Description: | Sets the length of time that the modem does | | | not receive information before it | | | disconnects. S90=0 will disable. | +------------------------------------------------------------+ +------------------------------------------------------------+ | INACTIVITY TIMER | |------------------------------------------------------------| | Type: | Configuration | |--------------+---------------------------------------------| | Format: | AT [cmds] \Tn [cmds] | |--------------+---------------------------------------------| | Example: | AT\T20 | |--------------+---------------------------------------------| | Default: | 0 | |--------------+---------------------------------------------| | Range: | 0-90 | |--------------+---------------------------------------------| | Unit: | 1 minute | |--------------+---------------------------------------------| | Description: | Sets the length of time that the modem does | | | not receive information before it | | | disconnects. | | | | | | \T0 will disable. | +------------------------------------------------------------+ +------------------------------------------------------------+ | REPORT SIGNAL QUALITY | |------------------------------------------------------------| | Type: | Immediate | |--------------+---------------------------------------------| | Format: | AT [cmds] %Q [cmds] | |--------------+---------------------------------------------| | Example: | AT %Q | |--------------+---------------------------------------------| | Description: | Reports signal quality. If the value is | | | greater than 7, the modem will retrain. | +------------------------------------------------------------+ +------------------------------------------------------------+ | MAXIMUM BLOCK SIZE FOR TRANSMISSION | |------------------------------------------------------------| | Type: | Configuration | |--------------+---------------------------------------------| | Format: | AT [cmds] \An [cmds] | |--------------+---------------------------------------------| | Example: | AT \A3 %C1 | |--------------+---------------------------------------------| | Description: | Sets the maximum transmittable block size. | |--------------+---------------------------------------------| | Command | Function | |--------------+---------------------------------------------| | \A0 | MNP block size is 64 characters. | |--------------+---------------------------------------------| | \A1 | MNP block size is 128 characters. | |--------------+---------------------------------------------| | \A2 | MNP block size is 192 characters. | |--------------+---------------------------------------------| |>> \A3 | MNP block size is 256 characters. | +------------------------------------------------------------+ +------------------------------------------------------------+ | ON-LINE IN RELIABLE MODE | |------------------------------------------------------------| | Type: | Immediate | |--------------+---------------------------------------------| | Format: | AT [cmds] \O | |--------------+---------------------------------------------| | Example: | AT \O | |--------------+---------------------------------------------| | Description: | Returns to on-line and requests reliable | | | mode connection. | +------------------------------------------------------------+ +------------------------------------------------------------+ | REPORT INFORMATION | |------------------------------------------------------------| | Type: | Immediate | |--------------+---------------------------------------------| | Format: | AT [cmds] In [cmds] | |--------------+---------------------------------------------| | Example: | AT I1 &W | |--------------+---------------------------------------------| | Description: | Displays modem properties. | |--------------+---------------------------------------------| | Command | Function | |--------------+---------------------------------------------| | I0 | Reports product code. | |--------------+---------------------------------------------| | I1 | Reports firmware version number. | |--------------+---------------------------------------------| | I2 | Reports ROM checksum. | |--------------+---------------------------------------------| | I3 | Reports device set name. | |--------------+---------------------------------------------| | I4 | Reports current configuration (see rows | | | below, default is 31). | |------------------------------------------------------------| | | Bit | Value | Meaning | |---------------+-----+-------+------------------------------| | | 0 | 0 | Hayes escape sequence. | | | | | | | | |>> 1 | TIES escape sequence. | |---------------+-----+-------+------------------------------| | | 1 | 0 | No error corection firmware. | | | | | | | | |>> 1 | Error corection firmware. | |---------------+-----+-------+------------------------------| | | 2 | 0 | Serial host interface. | | | | | | | | |>> 1 | Parallel host interface. | |---------------+-----+-------+------------------------------| | | 3 | 0 | No external static RAM | | | | | present. | | | |>> 1 | | | | | | External static RAM present. | |---------------+-----+-------+------------------------------| | | 4 | 0 | 8K x 8 static RAM present. | | | | | | | | |>> 1 | 32K x 8 static RAM present. | +------------------------------------------------------------+ +------------------------------------------------------------+ | RESULT CODE FORMAT | |------------------------------------------------------------| | Type: | Configuration | |--------------+---------------------------------------------| | Format: | AT [cmds] \Vn [cmds] | |--------------+---------------------------------------------| | Example: | AT \V0 Q0 | |--------------+---------------------------------------------| | Description: | Selects which type of response codes are | | | supported. | |--------------+---------------------------------------------| | Command | Function | |--------------+---------------------------------------------| | \V0 | Enables codes selected by ATV command. | |--------------+---------------------------------------------| | \V1 | Enables Modified MNP codes. | |--------------+---------------------------------------------| | \V2 | Enables Modified V.42 codes. | +------------------------------------------------------------+ +------------------------------------------------------------+ | RETRAIN SENSITIVITY | |------------------------------------------------------------| | Type: | Register | |--------------+---------------------------------------------| | Format: | AT [cmds] S108=n [cmds] | |--------------+---------------------------------------------| | Example: | AT S108=1 &W | |--------------+---------------------------------------------| | Description: | Controls the quality of retraining. | |--------------+---------------------------------------------| | Command | Function | |--------------+---------------------------------------------| | S108=0 | Retrain disabled. | |--------------+---------------------------------------------| |>> S108=1 | Low quality retrain. | |--------------+---------------------------------------------| | S108=2 | Medium quality retrain. | |--------------+---------------------------------------------| | S108=3 | High quality retrain. | +------------------------------------------------------------+ +------------------------------------------------------------+ | SRAM BUFFER | |------------------------------------------------------------| | Type: | Configuration | |--------------+---------------------------------------------| | Format: | AT [cmds] Kn [cmds] | |--------------+---------------------------------------------| | Example: | AT K1 &W | |--------------+---------------------------------------------| | Description: | Controls SRAM buffer for voice and fax | | | mode. | |--------------+---------------------------------------------| | Command | Function | |--------------+---------------------------------------------| | K0 | Disables SRAM. | |--------------+---------------------------------------------| | K1 | Enables SRAM. | +------------------------------------------------------------+ +------------------------------------------------------------+ | SWITCH TO MNP MODE | |------------------------------------------------------------| | Type: | Immediate | |--------------+---------------------------------------------| | Format: | AT [cmds] \Z [cmds] | |--------------+---------------------------------------------| | Example: | AT \Z &W | |--------------+---------------------------------------------| | Description: | Switches to normal mode from MNP mode. | +------------------------------------------------------------+ +------------------------------------------------------------+ | TEST MODES | |------------------------------------------------------------| | Format | AT [cmds] S16=n [cmds] | |---------------+--------------------------------------------| | Example: | ATS16=40 | |---------------+--------------------------------------------| | Default: | 0 | |---------------+--------------------------------------------| | Range: | 0-125 | |---------------+--------------------------------------------| | Unit: | Bit-mapped | |---------------+--------------------------------------------| | Description: | Controls loopback tests, analog, digital, | | | remote digital, and self tests. | |------------------------------------------------------------| | Bit | Value | Function | |---------+-------+------------------------------------------| | 0 |>> 0 | Local analog loopback not in progress. | | | | | | | 1 | Local analog loopback in progress. | |---------+-------+------------------------------------------| | 1 |>> 0 | Not used. | |---------+-------+------------------------------------------| | 2 |>> 0 | Local digital loopback not in progress. | | | | | | | 1 | Local digital loopback in progress. | |---------+-------+------------------------------------------| | 3 |>> 0 | Modem not in remote digital loopback. | | | | | | | 1 | Remote digital loopback in progress. | |---------+-------+------------------------------------------| | 4 |>> 0 | Remote digital loopback not requested. | | | | | | | 1 | Remote digital loopback requested. | |---------+-------+------------------------------------------| | 5 |>> 0 | Remote digital loopback w/ self-test not | | | | in progress. | | | 1 | | | | | Remote digital loopback w/ self-test in | | | | progress. | |---------+-------+------------------------------------------| | 6 |>> 0 | Local analog loopback w/ self-test not | | | | in progress. | | | 1 | | | | | Local analog loopback w/ self-test in | | | | progress. | +------------------------------------------------------------+ +------------------------------------------------------------+ | V.42 DETECTION PHASE | |------------------------------------------------------------| | Type: | Configuration | |--------------+---------------------------------------------| | Format: | AT [cmds] -Jn [cmds] | |--------------+---------------------------------------------| | Example: | AT -J1 &W | |--------------+---------------------------------------------| | Description: | Controls V.42 detection. | |--------------+---------------------------------------------| | Command | Function | |--------------+---------------------------------------------| | -J0 | V.42 detection disabled. | |--------------+---------------------------------------------| |>> -J1 | V.42 detection enabled. | +------------------------------------------------------------+ +------------------------------------------------------------+ | V.42bis COMPRESSION CONTROL | |------------------------------------------------------------| | Type: | Configuration | |--------------+---------------------------------------------| | Format: | AT [cmds] "Hn [cmds] | |--------------+---------------------------------------------| | Example: | AT "H3 &W | |--------------+---------------------------------------------| | Description: | Controls V.42bis data compression | |--------------+---------------------------------------------| | Command | Function | |--------------+---------------------------------------------| | "H0 | V.42bis disabled. | |--------------+---------------------------------------------| | "H1 | V.42bis when transmitting enabled. | |--------------+---------------------------------------------| | "H2 | V.42bis when receiving enabled. | |--------------+---------------------------------------------| |>> "H3 | V.42bis when transmitting/receiving | | | enabled. | +------------------------------------------------------------+ +------------------------------------------------------------+ | V.42bis MAXIMUM STRING LENGTH | |------------------------------------------------------------| | Type: | Configuration | |--------------+---------------------------------------------| | Format: | AT [cmds] "On [cmds] | |--------------+---------------------------------------------| | Example: | AT "O32 | |--------------+---------------------------------------------| | Default: | 32 | |--------------+---------------------------------------------| | Range: | 6 - 250 | |--------------+---------------------------------------------| | Unit: | Characters | |--------------+---------------------------------------------| | Description: | Selects string size for V.42bis | | | compression. | +------------------------------------------------------------+ +------------------------------------------------------------+ | XON/XOFF PASS-THROUGH | |------------------------------------------------------------| | Type: | Configuration | |--------------+---------------------------------------------| | Format: | AT [cmds] \Xn [cmds] | |--------------+---------------------------------------------| | Example: | AT \X7 O | |--------------+---------------------------------------------| | Description: | Selects whether XON/XOFF signals are sent | | | to remote modem. | |--------------+---------------------------------------------| | Command | Function | |--------------+---------------------------------------------| |>> \X0 | XON/XOFF signals trapped by local modem. | |--------------+---------------------------------------------| | \X1 | XON/XOFF passed through local modem. |