E-TECH RESEARCH, INC. ===================== E288MX (REV. 1.1) Modem Type Data (synchronous/asynchronous)/Fax Maximum Data Rate 28.8Kbps Maximum Fax Rate 14.4Kbps Data Bus External 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, V.34 AT&T V.32terbo Fax Modulation ITU-T V.17, V.21CH2, V.27ter, V.29 Protocol Error MNP5, V.42, V.42bis Correction/Compression +------------------------------------------------------------+ | CONNECTIONS | |------------------------------------------------------------| | Purpose | Location | Purpose | Location | |------------------+----------+-------------------+----------| | Line out | CN1 | DC power | CN4 | |------------------+----------+-------------------+----------| | Line in | CN2 | Volume | R1 | |------------------+----------+-------------------+----------| | RS-232/422 | CN3 | Power switch | SW1 | +------------------------------------------------------------+ +------------------------------------------------------------+ | DIAGNOSTIC LED(S) | |------------------------------------------------------------| | LED | Color | Status | Condition | |------+-------+----------+----------------------------------| | TD | Red | On | DTE is transmitting data | |------+-------+----------+----------------------------------| | TD | Red | Off | DTE is not transmitting data | |------+-------+----------+----------------------------------| | RD | Red | On | Modem is receiving data | |------+-------+----------+----------------------------------| | RD | Red | Off | Modem is not receiving data | |------+-------+----------+----------------------------------| | DTR | Red | On | DTR signal is high | |------+-------+----------+----------------------------------| | DTR | Red | Off | DTR signal is low | |------+-------+----------+----------------------------------| | CTS | Red | On | CTS signal is high | |------+-------+----------+----------------------------------| | CTS | Red | Off | CTS signal is low | |------+-------+----------+----------------------------------| | DCD | Red | On | Carrier signal detected | |------+-------+----------+----------------------------------| | DCD | Red | Off | Carrier signal not detected | |------+-------+----------+----------------------------------| | OH | Red | On | Modem is off-hook | |------+-------+----------+----------------------------------| | OH | Red | Off | Modem is on-hook | |------+-------+----------+----------------------------------| | AA | Red | On | Auto-answer enabled | |------+-------+----------+----------------------------------| | AA | Red | Off | Auto-answer disabled | |------+-------+----------+----------------------------------| | AA | Red | Blinking | Phone is ringing | |------+-------+----------+----------------------------------| | LL | Red | On | Operating in lease-line mode | |------+-------+----------+----------------------------------| | LL | Red | Off | Not operating in Lease-line mode | |------+-------+----------+----------------------------------| | PWR | Red | On | Power is on | |------+-------+----------+----------------------------------| | PWR | Red | Off | Power is off | +------------------------------------------------------------+ +------------------------------------------------------------+ | JUMPER SELECTION | |------------------------------------------------------------| | Function | JP6 | JP7 | JP8 | JP9 | |--------------------+--------+----------+----------+--------| | Switched | Open | Not used | Not used | Closed | |--------------------+--------+----------+----------+--------| | Lease Line - | Closed | Open | Closed | Open | | originating | | | | | |--------------------+--------+----------+----------+--------| | Lease Line - | Closed | Closed | Closed | Open | | answering | | | | | +------------------------------------------------------------+ Proprietary AT Command Set +------------------------------------------------------------+ | AUTO FALL FORWARD/FALLBACK | |------------------------------------------------------------| | Type: | Configuration | |--------------+---------------------------------------------| | Format: | AT [cmds] %Gn [cmds] | |--------------+---------------------------------------------| | Example: | AT %G1 &W | |--------------+---------------------------------------------| | Description: | Selects auto fallback. | |--------------+---------------------------------------------| | Command | Function | |--------------+---------------------------------------------| | %G0 | Fallback disabled. | |--------------+---------------------------------------------| |>> %G1 | Fallback enabled. | +------------------------------------------------------------+ +------------------------------------------------------------+ | AUTO-RELIABLE FALLBACK CHARACTER | |------------------------------------------------------------| | Type: | Configuration | |--------------+---------------------------------------------| | Format: | AT [cmds] %An [cmds] | |--------------+---------------------------------------------| | Example: | AT%A20 | |--------------+---------------------------------------------| | 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 SLEEP TIMER | |------------------------------------------------------------| | Type: | Register | |--------------+---------------------------------------------| | Format | AT [cmds] S46=n [cmds] | |--------------+---------------------------------------------| | Example: | AT S46= 100 | |--------------+---------------------------------------------| | Default: | 255 | |--------------+---------------------------------------------| | Range: | 0 - 255 | |--------------+---------------------------------------------| | Unit: | .1 second | |--------------+---------------------------------------------| | Description: | Maximum duration of DTE and DCE inactivity | | | allowed prior to initiating low-power sleep | | | mode. | +------------------------------------------------------------+ +------------------------------------------------------------+ | BREAK SEND | |------------------------------------------------------------| | Type: | Configuration | |--------------+---------------------------------------------| | Format: | AT [cmds] \Bn [cmds] | |--------------+---------------------------------------------| | Example: | AT \B3 &W | |--------------+---------------------------------------------| | Range: | 0 - 9 | |--------------+---------------------------------------------| | Unit: | 100 ms | |--------------+---------------------------------------------| | Description: | Sends break to modem. | +------------------------------------------------------------+ +------------------------------------------------------------+ | BREAK TYPE | |------------------------------------------------------------| | Type: | Configuration | |--------------+---------------------------------------------| | Format: | AT [cmds] \Kn [cmds] | |--------------+---------------------------------------------| | Example: | AT \K1 | |--------------+---------------------------------------------| | Description: | Configures action of break signal. | |------------------------------------------------------------| | Command | In normal or | In direct | Break | | | reliable | mode, break | received | | | mode, break | from DTE | from remote | | | from DTE | | modem | |---------------+---------------+--------------+-------------| | \K0 | Online | Send break | Buffers | | | command mode | immediately | cleared, | | | enabled, send | and enter | break sent | | | no break to | command | to remote | | | remote modem. | state. | modem. | |---------------+---------------+--------------+-------------| | \K1 | Break sent to | Send break | Buffers | | | remote modem | to remote | cleared, | | | and buffered | modem | break sent | | | cleared. | immediately. | to remote | | | | | modem. | |---------------+---------------+--------------+-------------| | \K2 | Online | Send break | Break sent | | | command mode | immediately | immediately | | | enabled, send | and enter | to DTE. | | | no break to | command | | | | remote modem. | state. | | |---------------+---------------+--------------+-------------| | \K3 | Send break to | Send break | Break sent | | | remote modem | to remote | immediately | | | immediately. | modem | to DTE. | | | | immediately. | | |---------------+---------------+--------------+-------------| | \K4 | Online | Send break | Break sent | | | command mode | immediately | to remote | | | enabled, send | and enter | modem when | | | no break to | command | data | | | remote modem. | state. | received. | |---------------+---------------+--------------+-------------| | \K5 | Send break | Send break | Break sent | | | with | to remote | to remote | | | transmitted | modem | modem when | | | data. | immediately. | data | | | | | received. | +------------------------------------------------------------+ +------------------------------------------------------------+ | COMMAND SET | |------------------------------------------------------------| | Type: | Configuration | |--------------+---------------------------------------------| | Format: | AT [cmds] %Vn [cmds] | |--------------+---------------------------------------------| | Example: | AT %V0 &W | |--------------+---------------------------------------------| | Description: | Selects V.25bis or AT command sets. | |--------------+---------------------------------------------| | Command | Function | |--------------+---------------------------------------------| |>> %V0 | AT command set enabled. | |--------------+---------------------------------------------| | %V1 | V.25bis command set enabled. | +------------------------------------------------------------+ +------------------------------------------------------------+ | COMPRESSION | |------------------------------------------------------------| | Type: | Configuration | |--------------+---------------------------------------------| | Format: | AT %Cn | |--------------+---------------------------------------------| | Example: | AT *EC0 %C3 *AP0 | |--------------+---------------------------------------------| | Description: | Contols data compression. | |--------------+---------------------------------------------| | Command | Function | |--------------+---------------------------------------------| | %C0 | Data compression disabled. | |--------------+---------------------------------------------| | %C1 | MNP 5 enabled. | |--------------+---------------------------------------------| | %C2 | V.42bis enabled. | |--------------+---------------------------------------------| |>> %C3 | MNP 5 and V.42bis enabled. | +------------------------------------------------------------+ +------------------------------------------------------------+ | DATA COMPRESSION CONTROL | |------------------------------------------------------------| | Type: | Configuration | |--------------+---------------------------------------------| | Format: | AT [cmds] $Cn [cmds] | |--------------+---------------------------------------------| | Example: | AT $C1 &W | |--------------+---------------------------------------------| | Description: | Controls data compression. | |--------------+---------------------------------------------| | Command | Function | |--------------+---------------------------------------------| | $C0 | Data compression disabled. | |--------------+---------------------------------------------| |>> $C1 | MNP 5 and V.42bis enabled. | +------------------------------------------------------------+ +------------------------------------------------------------+ | DIAL STORE NUMBER | |------------------------------------------------------------| | Type: | Configuration | |------------------------+-----------------------------------| | Format: | AT [cmds] DSn [cmds] | |------------------------+-----------------------------------| | Example: | AT DS1 &W | |------------------------+-----------------------------------| | Description: | Dial stored number | |------------------------------------------------------------| | Note: n = 0 - 3, only three phone numbers can be in the | | nonvolatile memory. | +------------------------------------------------------------+ +------------------------------------------------------------+ | DTE RATE STATUS | |------------------------------------------------------------| | Type: | Register | |--------------+---------------------------------------------| | Format: | AT [cmds] S62=n [cmds] | |--------------+---------------------------------------------| | Example: | AT S62=16 | |--------------+---------------------------------------------| | Description: | Selects DTE rate. | |--------------+---------------------------------------------| | Command | Function | |--------------+---------------------------------------------| | 0 | 300bps. | |--------------+---------------------------------------------| | 1 | 600bps. | |--------------+---------------------------------------------| | 2 | 1200bps. | |--------------+---------------------------------------------| | 3 | 2400bps. | |--------------+---------------------------------------------| | 4 | 4800bps. | |--------------+---------------------------------------------| | 5 | 7200bps. | |--------------+---------------------------------------------| | 6 | 9600bps. | |--------------+---------------------------------------------| | 7 | 12Kbps. | |--------------+---------------------------------------------| | 8 | 14.4Kbps. | |--------------+---------------------------------------------| | 9 | 16.8Kbps. | |--------------+---------------------------------------------| | 10 | 19.2Kbps. | |--------------+---------------------------------------------| | 11 | 21.6Kbps. | |--------------+---------------------------------------------| | 12 | 24Kbps. | |--------------+---------------------------------------------| | 13 | 26.4Kbps. | |--------------+---------------------------------------------| | 14 | 28.8Kbps. | |--------------+---------------------------------------------| | 15 | 38.4Kbps. | |--------------+---------------------------------------------| |>> 16 | 57.6Kbps. | |--------------+---------------------------------------------| | 17 | 115.2Kbps. | +------------------------------------------------------------+ +------------------------------------------------------------+ | 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. | +------------------------------------------------------------+ +------------------------------------------------------------+ | ERROR CORRECTION CONTROL | |------------------------------------------------------------| | Type: | Configuration | |--------------+---------------------------------------------| | Format: | AT [cmds] $En [cmds] | |--------------+---------------------------------------------| | Example: | AT $E3 &W | |--------------+---------------------------------------------| | Description: | Selects error correction mode. | |--------------+---------------------------------------------| | Command | Function | |--------------+---------------------------------------------| | $E0 | Normal mode. | |--------------+---------------------------------------------| | $E1 | MNP auto-reliable mode. | |--------------+---------------------------------------------| | $E2 | MNP reliable mode. | |--------------+---------------------------------------------| |>> $E3 | LAPM, MNP, or normal reliable mode. | |--------------+---------------------------------------------| | $E4 | LAPM mode reliable mode only. | +------------------------------------------------------------+ +------------------------------------------------------------+ | FAX/DATA MODE | |------------------------------------------------------------| | Type: | Register | |--------------+---------------------------------------------| | Format: | AT [cmds] S50=n [cmds] | |--------------+---------------------------------------------| | Example: | AT S50=0 &W | |--------------+---------------------------------------------| | Description: | Choose data or FAX mode. | |--------------+---------------------------------------------| | Command | Function | |--------------+---------------------------------------------| |>> 0 | Data mode enabled. | |--------------+---------------------------------------------| | 1 | FAX mode enabled. | +------------------------------------------------------------+ +------------------------------------------------------------+ | 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: | Configuration | |--------------+---------------------------------------------| | Format: | AT [cmds] $Fn [cmds] | |--------------+---------------------------------------------| | Example: | AT $F4 A | |--------------+---------------------------------------------| | Description: | Select flow control used by modem. | |--------------+---------------------------------------------| | Command | Function | |--------------+---------------------------------------------| | $F0 | XON/XOFF software flow control enabled. | |--------------+---------------------------------------------| | $F1 | XON/XOFF pass-through flow control enabled. | |--------------+---------------------------------------------| | $F4 | Hardware CTS/RTS flow control enabled. | |--------------+---------------------------------------------| | $F5 | Flow control disabled. | +------------------------------------------------------------+ +------------------------------------------------------------+ | FLOW CONTROL TYPE | |------------------------------------------------------------| | Type: | Configuration | |--------------+---------------------------------------------| | Format: | AT [cmds] \Qn [cmds] | |--------------+---------------------------------------------| | Example: | AT \Q2 | |--------------+---------------------------------------------| | Description: | Sets type of flow control used by modem. | |--------------+---------------------------------------------| | Command | Function | |--------------+---------------------------------------------| | \Q0 | Flow control disabled. | |--------------+---------------------------------------------| | \Q1 | XON/XOFF software flow control enabled. | |--------------+---------------------------------------------| | \Q2 | CTS flow control by DCE enabled. | |--------------+---------------------------------------------| |>> \Q3 | CTS/RTS hardware flow control enabled. | +------------------------------------------------------------+ +------------------------------------------------------------+ | IDENTIFICATION | |------------------------------------------------------------| | Type: | Immediate | |--------------+---------------------------------------------| | Format: | AT [cmds] In [cmds] | |--------------+---------------------------------------------| | Example: | AT I3 &W | |--------------+---------------------------------------------| | Description: | Displays several options. | |--------------+---------------------------------------------| | Command | Function | |--------------+---------------------------------------------| | I0 | Display product - identification code. | |--------------+---------------------------------------------| | I2 | Display ROM checksum. | |--------------+---------------------------------------------| | I3 | Display firmware version. | |--------------+---------------------------------------------| | I4 | Display OEM string. | |--------------+---------------------------------------------| | I5 | Display country code. | |--------------+---------------------------------------------| | I9 | Display ROM checksum. | +------------------------------------------------------------+ +------------------------------------------------------------+ | INACTIVITY TIMER | |------------------------------------------------------------| | Type: | Register | |--------------+---------------------------------------------| | Format: | AT [cmds] \Tn [cmds] | |--------------+---------------------------------------------| | Example: | AT\T20 | |--------------+---------------------------------------------| | Default: | Unidentified. | |--------------+---------------------------------------------| | Range: | 1-90 | |--------------+---------------------------------------------| | Unit: | 1 minute | |--------------+---------------------------------------------| | Description: | Sets the length of time that the modem does | | | not receive information before it | | | disconnects. | |--------------+---------------------------------------------| | Note: | \T0 will disable inactivity timer. | +------------------------------------------------------------+ +------------------------------------------------------------+ | 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 | Maximum MNP block size is 64 characters. | |--------------+---------------------------------------------| | \A1 | Maximum MNP block size is 128 characters. | |--------------+---------------------------------------------| | \A2 | Maximum MNP block size is 192 characters. | |--------------+---------------------------------------------| |>> \A3 | Maximum MNP block size is 256 characters. | |--------------+---------------------------------------------| | \A4 | Maximum MNP block size is 32 characters. | +------------------------------------------------------------+ +------------------------------------------------------------+ | MODEM PROTOCOL | |------------------------------------------------------------| | 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 | MNP reliable mode enabled. | |--------------+---------------------------------------------| |>> \N3 | MNP, LAP-M, or normal mode enabled. | |--------------+---------------------------------------------| | \N4 | LAP-M or MNP reliable enabled. | |--------------+---------------------------------------------| | \N5 | LAP-M reliable mode enabled. | +------------------------------------------------------------+ +------------------------------------------------------------+ | POOR SIGNAL QUALITY REACTION | |------------------------------------------------------------| | Type: | Configuration | |--------------+---------------------------------------------| | Format: | AT [cmds] %En [cmds] | |--------------+---------------------------------------------| | Example: | AT %E0 | |--------------+---------------------------------------------| | Description: | Configures the modem's reaction to poor | | | signal quality. | |--------------+---------------------------------------------| | Command | Function | |--------------+---------------------------------------------| | %E0 | Modem will disconnect during poor signal | | | quality. | |--------------+---------------------------------------------| |>> %E1 | Modem retrains during poor signal quality, | | | disconnect if threshold set in S37 is | | | exceeded. | |--------------+---------------------------------------------| | %E2 | Modem does nothing during poor signal | | | quality. | +------------------------------------------------------------+ +------------------------------------------------------------+ | PROTOCOL RESULT CODE | |------------------------------------------------------------| | Type: | Configuration | |--------------+---------------------------------------------| | Format: | AT [cmds] \Vn [cmds] | |--------------+---------------------------------------------| | Example: | AT \V0 Q0 | |--------------+---------------------------------------------| | Description: | \V responds when conjunction with W0 and W2 | | | commands. | |--------------+---------------------------------------------| | Command | Function | |--------------+---------------------------------------------| | \V1 | Protocol result code disabled. | |--------------+---------------------------------------------| |>> \V0 | Protocol result code enabled. | +------------------------------------------------------------+ +------------------------------------------------------------+ | PROTOCOL/SPEED | |------------------------------------------------------------| | Type: | Register | |--------------+---------------------------------------------| | Format: | AT [cmds] S37n [cmds] | |--------------+---------------------------------------------| | Example: | AT S37=0 | |--------------+---------------------------------------------| | Description: | Selects the current DCE speed. | |--------------+---------------------------------------------| | Command | Function | |--------------+---------------------------------------------| | 0 | Select last AT speed. | |--------------+---------------------------------------------| | 3 | Select 300bps speed. | |--------------+---------------------------------------------| | 5 | Select 1200bps speed. | |--------------+---------------------------------------------| | 6 | Select 2400bps speed. | |--------------+---------------------------------------------| | 7 | Select 4800bps speed. | |--------------+---------------------------------------------| | 8 | Select 7200bps speed. | |--------------+---------------------------------------------| | 9 | Select 9600bps speed. | |--------------+---------------------------------------------| | 10 | Select 12Kbps speed. | |--------------+---------------------------------------------| | 11 | Select 14.4Kbps speed. | |--------------+---------------------------------------------| | 12 | Select 16.8Kbps speed. | |--------------+---------------------------------------------| | 13 | Select 19.2Kbps speed. | |--------------+---------------------------------------------| | 14 | Select 21.6Kbps speed. | |--------------+---------------------------------------------| | 15 | Select 24Kbps speed. | |--------------+---------------------------------------------| | 16 | Select 26.4Kbps speed. | |--------------+---------------------------------------------| | 17 | Select 28.8Kbps speed. | +------------------------------------------------------------+ +------------------------------------------------------------+ | ROUND TRIP DELAY | |------------------------------------------------------------| | Type: | Register | |--------------+---------------------------------------------| | Format: | AT [cmds] S65=n [cmds] | |--------------+---------------------------------------------| | Example: | AT S65=1 | |--------------+---------------------------------------------| | Default: | Unidentified | |--------------+---------------------------------------------| | Range: | Unidentified | |--------------+---------------------------------------------| | Unit: | 100 ms | |--------------+---------------------------------------------| | Description: | Sets the round trip delay. | +------------------------------------------------------------+ +------------------------------------------------------------+ | 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. | +------------------------------------------------------------+ +------------------------------------------------------------+ | V42bis COMPRESSION | |------------------------------------------------------------| | Type: | Configuration | |--------------+---------------------------------------------| | Format: | AT [cmds] "Hn [cmds] | |--------------+---------------------------------------------| | Example: | AT "H3 &W | |--------------+---------------------------------------------| | Description: | Controls V.42bis compression. | |--------------+---------------------------------------------| | Command | Function | |--------------+---------------------------------------------| | "H0 | V.42bis disabled. | |--------------+---------------------------------------------| | "H1 | V.42bis while transmit enabled. | |--------------+---------------------------------------------| | "H2 | V.42bis while receiving enabled. | |--------------+---------------------------------------------| |>> "H3 | V.42bis during transmitting and receiving | | | enabled. | +------------------------------------------------------------+ +------------------------------------------------------------+ | V.42bis DICTIONARY SIZE | |------------------------------------------------------------| | Type: | Configuration | |--------------+---------------------------------------------| | Format: | AT [cmds] "Nn [cmds] | |--------------+---------------------------------------------| | Example: | AT "N2 &W | |--------------+---------------------------------------------| | Description: | Controls V.42 dictionary size. | |--------------+---------------------------------------------| | Command | Function | |--------------+---------------------------------------------| | "N0 | 512 bytes. | |--------------+---------------------------------------------| | "N1 | 1024 bytes. | |--------------+---------------------------------------------| |>> "N2 | 1536 bytes. | +------------------------------------------------------------+ +------------------------------------------------------------+ | V.42bis MAXIMUM STRING LENGTH | |------------------------------------------------------------| | Type: | Immediate | |--------------+---------------------------------------------| | Format: | AT [cmds] "On [cmds] | |--------------+---------------------------------------------| | Example: | AT "O32 | |--------------+---------------------------------------------| | Default: | 32 | |--------------+---------------------------------------------| | Range: | 6 - 64 | |--------------+---------------------------------------------| | Unit: | Unidentified | |--------------+---------------------------------------------| | Description: | Selects string size for V.42bis | | | compression. | +------------------------------------------------------------+ +------------------------------------------------------------+ | XON/XOFF PASS-THROUGH | |------------------------------------------------------------| | Type: | Configuration | |--------------+---------------------------------------------| | Format: | AT [cmds] \Xn [cmds] | |--------------+---------------------------------------------| | Example: | AT \X0 | |--------------+---------------------------------------------| | 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. | +------------------------------------------------------------+ Proprietary V.25bis Command Set +------------------------------------------------------------+ | COMMAND SET - AT | |------------------------------------------------------------| | Type: | Immediate | |--------------+---------------------------------------------| | Format: | CNL[cmds] | |--------------+---------------------------------------------| | Example: | CNL%V0 | |--------------+---------------------------------------------| | Description: | Execute an AT command. | +------------------------------------------------------------+ +------------------------------------------------------------+ | REQUEST LISTED NUMBERS | |------------------------------------------------------------| | Type: | Immediate | |--------------+---------------------------------------------| | Format: | RLN | |--------------+---------------------------------------------| | Example: | RLN | |--------------+---------------------------------------------| | Description: | Requests the modem to return the list of | | | stored numbers. If no numbers are stored, | | | the modem will return LSN. | +------------------------------------------------------------+ +------------------------------------------------------------+ | STORED NUMBERS LIST | |------------------------------------------------------------| | Type: | Result code | |--------------+---------------------------------------------| | Format: | LSNxxxx | |--------------+---------------------------------------------| | Example: | LSN 443-3388 | |--------------+---------------------------------------------| | Description: | Displays stored numbers. xxxx may specify a | | | memory location, phone number, or status. | | | If no code was specified with RLN, all | | | stored numbers are displayed. | +------------------------------------------------------------+