PENRIL DATABILITY NETWORKS ========================== DX144 Modem Type Data (synchronous/asynchronous)/Fax Maximum Data Rate 14.4Kbps 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 Fax Modulation ITU-T V.17, V.21, V.27ter, V.29 Protocol Error MNP5, V.42, V.42bis Correction/Compression +------------------------------------------------------------+ | CONNECTIONS | |------------------------------------------------------------| | Purpose | Location | Purpose | Location | |----------------+----------+---------------------+----------| | Lease line out | CN1 | Diagnostic | CN4 | | | | connector | | |----------------+----------+---------------------+----------| | Line in | CN2 | AC power | CN5 | |----------------+----------+---------------------+----------| | RS-232/422 | CN3 | Data/Voice | BT1 | +------------------------------------------------------------+ +------------------------------------------------------------+ | A/A1 - MI/MIC CONTROL | |------------------------------------------------------------| | Control Type | JP3 | JP4 | |------------------+--------------------+--------------------| |>> A/A1 control. | Pin 1 & 2 closed. | Pin 1 & 2 closed. | |------------------+--------------------+--------------------| | MI/MIC control. | Pin 2 & 3 closed. | Pin 2 & 3 closed. | +------------------------------------------------------------+ +------------------------------------------------------------+ | FACTORY CONFIGURED SETTINGS - DO NOT ALTER | |------------------------------------------------------------| | Jumper | Settings | |----------------------------+-------------------------------| | JP1 | Pin 2 & 3 closed. | |----------------------------+-------------------------------| | JP2 | Pin 2 & 3 closed. | |----------------------------+-------------------------------| | JP5 | Pin 2 & 3 closed. | |----------------------------+-------------------------------| | JP6 | Pin 2 & 3 closed. | +------------------------------------------------------------+ +------------------------------------------------------------+ | FRAME/SIGNAL GROUND | |------------------------------------------------------------| | Ground Type | JP7 | |----------------------------------------+-------------------| | Frame and signal ground connected. | Pin 1 & 2 closed. | |----------------------------------------+-------------------| |>> Frame and signal ground not | Pin 2 & 3 closed. | | connected. | | +------------------------------------------------------------+ +------------------------------------------------------------+ | DIAGNOSTIC LED(S) | |------------------------------------------------------------| | LED | Color | Status | Condition | |-----+-------+----------+-----------------------------------| | HS | Red | On | Modem is operating at 7200bps or | | | | | faster | |-----+-------+----------+-----------------------------------| | HS | Red | Off | Modem is operating at slower than | | | | | 7200bps | |-----+-------+----------+-----------------------------------| | AA | Red | On | Auto-answer enabled | |-----+-------+----------+-----------------------------------| | AA | Red | Off | Auto-answer disabled | |-----+-------+----------+-----------------------------------| | AA | Red | Blinking | Phone is ringing | |-----+-------+----------+-----------------------------------| | CD | Red | On | Carrier signal detected | |-----+-------+----------+-----------------------------------| | CD | Red | Off | Carrier signal not detected | |-----+-------+----------+-----------------------------------| | OH | Red | On | Modem is off-hook | |-----+-------+----------+-----------------------------------| | OH | Red | Off | Modem is on-hook | |-----+-------+----------+-----------------------------------| | RD | Red | On | Modem is receiving data | |-----+-------+----------+-----------------------------------| | RD | Red | Off | Modem is not receiving data | |-----+-------+----------+-----------------------------------| | SD | Red | On | Modem is transmitting data | |-----+-------+----------+-----------------------------------| | SD | Red | Off | Modem is not transmitting data | |-----+-------+----------+-----------------------------------| | TR | Red | On | DTR signal is high | |-----+-------+----------+-----------------------------------| | TR | Red | Off | DTR signal is low | |-----+-------+----------+-----------------------------------| | TR | Red | Blinking | Voice mode | |-----+-------+----------+-----------------------------------| | MR | Red | On | Modem is ready | |-----+-------+----------+-----------------------------------| | MR | Red | Off | Modem is not ready | |-----+-------+----------+-----------------------------------| | MR | Red | Blinking | Test mode enabled | +------------------------------------------------------------+ Proprietary AT Command Set +------------------------------------------------------------+ | ADMINISTRATIVE PASSWORD | |------------------------------------------------------------| | Type: | Configuration | |--------------+---------------------------------------------| | Format: | AT [cmds] /A | |--------------+---------------------------------------------| | Example: | AT &Z=/ASECURITY | |--------------+---------------------------------------------| | Description: | Set administrative password; | | | password-protects use of certain Hayes | | | commands. | |--------------+---------------------------------------------| | Note | SECURITY is the modem's default password. | +------------------------------------------------------------+ +------------------------------------------------------------+ | AUTO-RETRAIN | |------------------------------------------------------------| | Type: | Configuration | |--------------+---------------------------------------------| | Format: | AT [cmds] %En [cmds] | |--------------+---------------------------------------------| | Example: | AT %E1 | |--------------+---------------------------------------------| | Description: | Selects auto-retrain mode. | |--------------+---------------------------------------------| | Command | Function | |--------------+---------------------------------------------| | %E0 | Auto-retrain disabled. | |--------------+---------------------------------------------| |>> %E1 | Auto-retrain enabled. | +------------------------------------------------------------+ +------------------------------------------------------------+ | BUFFER MODE/SPEED CONVERSION | |------------------------------------------------------------| | Type: | Configuration | |--------------+---------------------------------------------| | Format: | AT [cmds] \Bn [cmds] | |--------------+---------------------------------------------| | Example: | AT \B1 &W | |--------------+---------------------------------------------| | Description: | Controls buffer mode/speed conversion | |--------------+---------------------------------------------| | Command | Function | |--------------+---------------------------------------------| | \B0 | Speed conversion disabled. | |--------------+---------------------------------------------| |>> \B1 | Speed conversion enabled. | +------------------------------------------------------------+ +------------------------------------------------------------+ | CARRIER DETECT LEVEL | |------------------------------------------------------------| | Type: | Register | |--------------+---------------------------------------------| | Format: | AT [cmds] S46=n [cmds] | |--------------+---------------------------------------------| | Example: | AT S46=16 | |--------------+---------------------------------------------| | Description: | Selects CD level for dial-up and leased | | | line application. | |--------------+---------------------------------------------| | Command | Leased line | |--------------+---------------------------------------------| | 0 | -26dBm | |--------------+---------------------------------------------| | 16 | -33dBm | |--------------+---------------------------------------------| | i 32 | -43dBm | +------------------------------------------------------------+ +------------------------------------------------------------+ | CONNECTION SPEED LOWER LIMIT | |------------------------------------------------------------| | Format | AT [cmds] S44=n [cmds] | |--------------+---------------------------------------------| | Example: | AT S44=14 | |--------------+---------------------------------------------| | Default: | 14 | |--------------+---------------------------------------------| | Range: | 6 - 15 | |--------------+---------------------------------------------| | Unit: | Bit-mapped | |--------------+---------------------------------------------| | Description: | Selects minimum data rate. | |--------------+---------------------------------------------| | Command | Function | |--------------+---------------------------------------------| | 6 | Select 14.4Kbps speed. | |--------------+---------------------------------------------| | 7 | Select 12Kbps speed. | |--------------+---------------------------------------------| | 8 | Select 9600bps speed. | |--------------+---------------------------------------------| | 9 | Select 7200bps speed. | |--------------+---------------------------------------------| | 10 | Select 4800bps speed. | |--------------+---------------------------------------------| | 11 | Select 2400bps speed. | |--------------+---------------------------------------------| | 12 | Select 1200bps speed. | |--------------+---------------------------------------------| |>> 14 | Select 0 - 300bps speed. | +------------------------------------------------------------+ +------------------------------------------------------------+ | CONNECTION SPEED UPPER LIMIT | |------------------------------------------------------------| | Format | AT [cmds] S43=n [cmds] | |--------------+---------------------------------------------| | Example: | AT S43=6 | |--------------+---------------------------------------------| | Default: | 6 | |--------------+---------------------------------------------| | Range: | 6 - 16 | |--------------+---------------------------------------------| | Unit: | Bit-mapped | |--------------+---------------------------------------------| | Description: | Selects maximum data rate. | |--------------+---------------------------------------------| | Command | Function | |--------------+---------------------------------------------| |>> 6 | Select 14.4Kbps speed. | |--------------+---------------------------------------------| | 7 | Select 12Kbps speed. | |--------------+---------------------------------------------| | 8 | Select 9600bps speed. | |--------------+---------------------------------------------| | 9 | Select 7200bps speed. | |--------------+---------------------------------------------| | 10 | Select 4800bps speed. | |--------------+---------------------------------------------| | 11 | Select 2400bps speed. | |--------------+---------------------------------------------| | 12 | Select 1200bps speed. | |--------------+---------------------------------------------| | 14 | Select 0 - 300bps speed. | |--------------+---------------------------------------------| | 15 | Select 1200/75bps speed. | |--------------+---------------------------------------------| | 16 | Select EIA control. | +------------------------------------------------------------+ +------------------------------------------------------------+ | DIAL | |------------------------------------------------------------| | Type: | Immediate | |--------------+---------------------------------------------| | Format: | AT [cmds] D<#> [; cmds] | |--------------+---------------------------------------------| | Example: | AT H1 DT 9W *70, 1(303) 555-1212 | |--------------+---------------------------------------------| | Description: | Dials telephone number according to any | | | modifiers included in the string. | |--------------+---------------------------------------------| | Modifier | Function | |--------------+---------------------------------------------| | DL | Links a stored phone number to another | | | number as an alternate. | |--------------+---------------------------------------------| | DP | Pulse dialing enabled. | |--------------+---------------------------------------------| | DS=c | Number in memory location c dialed. | |--------------+---------------------------------------------| | DT | Tone dialing enabled. | |--------------+---------------------------------------------| | DW | Dialing resumed following dial tone | | | detection. | |--------------+---------------------------------------------| | D: | Dialing resumed following dial tone | | | detection. | |--------------+---------------------------------------------| | D/R | Modem is configured for Dial Line | | | Auto-Recovery. | |--------------+---------------------------------------------| | D, | Dialing paused for amount of time specified | | | in S8 register. | |--------------+---------------------------------------------| | D< | Dialing paused for amount of time specified | | | in S8 register. | |--------------+---------------------------------------------| | D; | Modem returned to command mode after | | | dialing. | |--------------+---------------------------------------------| | D& | Flash function initiated. Modem commanded | | | to go on-hook for specified time. | |--------------+---------------------------------------------| | D! | Flash function initiated. Modem commanded | | | to go on-hook for specified time. | |--------------+---------------------------------------------| | D@ | Modem waits for a ring-back signal followed | | | by silence up to the time specified in S7 | | | prior to executing the rest of the dial | | | string. | +------------------------------------------------------------+ +------------------------------------------------------------+ | DIALING MESSAGE | |------------------------------------------------------------| | Type: | Configuration | |--------------+---------------------------------------------| | Format: | AT [cmds] \Dn [cmds] | |--------------+---------------------------------------------| | Example: | AT \D0 &W | |--------------+---------------------------------------------| | Description: | Controls dialing message. | |--------------+---------------------------------------------| | Command | Function | |--------------+---------------------------------------------| |>> \D0 | "Dialing" message disabled. | |--------------+---------------------------------------------| | \D1 | "Dialing" message enabled. | +------------------------------------------------------------+ +------------------------------------------------------------+ | DTE SPEED | |------------------------------------------------------------| | Type: | Register | |--------------+---------------------------------------------| | Format: | AT [cmds] S61n [cmds] | |--------------+---------------------------------------------| | Example: | AT S61=2 | |--------------+---------------------------------------------| | Description: | Selects the current DTE speed. | |--------------+---------------------------------------------| | Command | Function | |--------------+---------------------------------------------| | 0 | Select 115.2Kbps speed. | |--------------+---------------------------------------------| | 1 | Select 57.6Kbps speed. | |--------------+---------------------------------------------| |>> 2 | Select 38.4Kbps speed. | |--------------+---------------------------------------------| | 3 | Select 19.2Kbps speed. | |--------------+---------------------------------------------| | 4 | Select 9600bps speed. | |--------------+---------------------------------------------| | 5 | Select 7200bps speed. | |--------------+---------------------------------------------| | 6 | Select 4800bps speed. | |--------------+---------------------------------------------| | 7 | Select 2400bps speed. | |--------------+---------------------------------------------| | 8 | Select 1800bps speed. | |--------------+---------------------------------------------| | 9 | Select 1200bps speed. | |--------------+---------------------------------------------| | 10 | Select 600bps speed. | |--------------+---------------------------------------------| | 11 | Select 300bps speed. | +------------------------------------------------------------+ +------------------------------------------------------------+ | INACTIVITY TIMER | |------------------------------------------------------------| | Type: | Immediate | |--------------+---------------------------------------------| | Format: | AT [cmds] \T=n [cmds] | |--------------+---------------------------------------------| | Example: | AT \T=0 | |--------------+---------------------------------------------| | Default: | 0 | |--------------+---------------------------------------------| | Range: | 0 - 90 | |--------------+---------------------------------------------| | Unit: | 1 minutes | |--------------+---------------------------------------------| | Description: | Sets the length of time that the modem does | | | not receive information before it | | | disconnects. | +------------------------------------------------------------+ +------------------------------------------------------------+ | MANUAL RESPONSE PASSWORD | |------------------------------------------------------------| | Type: | Configuration | |--------------+---------------------------------------------| | Format: | AT [cmds] /P | |--------------+---------------------------------------------| | Example: | AT &Z22=/PBLUE or AT | | | &Z42=5551212/PGREEN | |--------------+---------------------------------------------| | Description: | Sets password for Manual response password; | | | with or without callback. | +------------------------------------------------------------+ +------------------------------------------------------------+ | MAXIMUM BLOCK SIZE FOR TRANSMISSION | |------------------------------------------------------------| | Type: | Configuration | |--------------+---------------------------------------------| | Format: | AT [cmds] \An [cmds] | |--------------+---------------------------------------------| | Example: | AT \A3 \B0 | |--------------+---------------------------------------------| | 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. | +------------------------------------------------------------+ +------------------------------------------------------------+ | MNP CLASS - LIMIT | |------------------------------------------------------------| | Type: | Configuration | |--------------+---------------------------------------------| | Format: | AT [cmds] \Cn [cmds] | |--------------+---------------------------------------------| | Example: | AT \C5 &W | |--------------+---------------------------------------------| | Description: | Selects MNP class. | |--------------+---------------------------------------------| | Note: | This option is not in effect until modem | | | goes off-line. | |--------------+---------------------------------------------| | Command | Function | |--------------+---------------------------------------------| | \C1 | MNP class 1. | |--------------+---------------------------------------------| | \C2 | MNP class 1 & 2. | |--------------+---------------------------------------------| | \C3 | MNP class 1 - 3. | |--------------+---------------------------------------------| | \C4 | MNP class 1 - 4. | |--------------+---------------------------------------------| |>> \C5 | MNP class 1- 5. | +------------------------------------------------------------+ +------------------------------------------------------------+ | PRODUCT CODE | |------------------------------------------------------------| | Type: | Configuration | |--------------+---------------------------------------------| | Format: | AT [cmds] In [cmds] | |--------------+---------------------------------------------| | Example: | AT I0 &W | |--------------+---------------------------------------------| | Description: | Selects product code or checksum. | |--------------+---------------------------------------------| | Command | Function | |--------------+---------------------------------------------| | I0 | Request product code. | |--------------+---------------------------------------------| | I1 | Request checksum for the ALX modem's | | | software. | |--------------+---------------------------------------------| | I2 | Request verification of software checksum. | |--------------+---------------------------------------------| | I3 | Request the following for each EPROM chip, | | | part and revision number | +------------------------------------------------------------+ +------------------------------------------------------------+ | RECEIVE/TRANSMIT SPACE DISCONNECT | |------------------------------------------------------------| | Type: | Configuration | |--------------+---------------------------------------------| | Format: | AT [cmds] Yn [cmds] | |--------------+---------------------------------------------| | Example: | AT Y1 &W | |--------------+---------------------------------------------| | Description: | Controls receive/transmit space disconnect. | |--------------+---------------------------------------------| | Command | Function | |--------------+---------------------------------------------| | Y0 | Receive space connect and transmit space | | | disconnect disabled. | |--------------+---------------------------------------------| |>> Y1 | Receive space connect and transmit space | | | disconnect enabled. | |--------------+---------------------------------------------| | Y2 | Transmit space disconnect enabled; receive | | | space disconnect disabled. | |--------------+---------------------------------------------| | Y3 | Receive space disconnect enabled; transmit | | | space disconnect disabled. | +------------------------------------------------------------+ +------------------------------------------------------------+ | TRANSMIT LEVEL - DIAL | |------------------------------------------------------------| | Type: | Configuration | |--------------+---------------------------------------------| | Format: | AT [cmds] -Ln [cmds] | |--------------+---------------------------------------------| | Example: | AT -L1 &W | |--------------+---------------------------------------------| | Description: | Controls transmit level. | |--------------+---------------------------------------------| | Command | Function | |--------------+---------------------------------------------| | -L0 | Permissive transmit level enabled. | |--------------+---------------------------------------------| |>> -L1 | Programmable transmit level enabled. | +------------------------------------------------------------+ +------------------------------------------------------------+ | USER-DEFINED TEXT STRING | |------------------------------------------------------------| | Type: | Configuration | |--------------+---------------------------------------------| | Format: | AT [cmds] /U | |--------------+---------------------------------------------| | Example: | AT &Z0=/UGORDO | |--------------+---------------------------------------------| | Description: | Sends a response to remote terminal user | | | after valid password is received. | +------------------------------------------------------------+ +------------------------------------------------------------+ | V.25bis MODE | |------------------------------------------------------------| | Type: | Configuration | |--------------+---------------------------------------------| | Format: | AT [cmds] %Vn [cmds] | |--------------+---------------------------------------------| | Example: | AT %V2 &W | |--------------+---------------------------------------------| | Description: | Selects V.25bis mode. | |--------------+---------------------------------------------| | Command | Function | |--------------+---------------------------------------------| | %V0 | Hayes mode disabled, V.25bis mode | | | asynchronous enabled. | |--------------+---------------------------------------------| | %V1 | V.25bis mode, sync bit oriented (HDLC) | | | enabled. | |--------------+---------------------------------------------| | %V2 | V.25bis mode, synchronous character | | | oriented enabled. | +------------------------------------------------------------+ +------------------------------------------------------------+ | V.32 MODE | |------------------------------------------------------------| | Type: | Configuration | |--------------+---------------------------------------------| | Format: | AT [cmds] -Cn [cmds] | |--------------+---------------------------------------------| | Example: | AT -C1 &W | |--------------+---------------------------------------------| | Description: | Selects either V.32 extended or V.32bis | | | mode. | |--------------+---------------------------------------------| | Command | Function | |--------------+---------------------------------------------| | -C0 | V.32 extended mode enabled. | |--------------+---------------------------------------------| |>> -C1 | V.32bis mode enabled. | +------------------------------------------------------------+ +------------------------------------------------------------+ | V.42 BREAK HANDLING | |------------------------------------------------------------| | Type: | Configuration | |--------------+---------------------------------------------| | Format: | AT [cmds] \Kn [cmds] | |--------------+---------------------------------------------| | Example: | AT \K3 &W | |--------------+---------------------------------------------| | Description: | Selects the type of break in V.42. | |--------------+---------------------------------------------| | Command | Function | |--------------+---------------------------------------------| | \K0 | Normal break handling enabled. | |--------------+---------------------------------------------| | \K1 | Destructive/expedited break handling | | | enabled. | |--------------+---------------------------------------------| | \K2 | Non-destructive/expedited break handling | | | enabled. | |--------------+---------------------------------------------| |>> \K3 | Non-Destructive/non-expedited break | | | handling enabled. | +------------------------------------------------------------+ +------------------------------------------------------------+ | V.42 DETECTION | |------------------------------------------------------------| | Type: | Configuration | |--------------+---------------------------------------------| | Format: | AT [cmds] \En [cmds] | |--------------+---------------------------------------------| | Example: | AT \E1 &W | |--------------+---------------------------------------------| | Description: | Controls V.42 detection. | |--------------+---------------------------------------------| | Command | Function | |--------------+---------------------------------------------| | \E0 | V.42 detection disabled. | |--------------+---------------------------------------------| |>> \E1 | V.42 detection enabled. | +------------------------------------------------------------+ +------------------------------------------------------------+ | V.42 FLOW CONTROL | |------------------------------------------------------------| | Type: | Configuration | |--------------+---------------------------------------------| | Format: | AT [cmds] \Qn [cmds] | |--------------+---------------------------------------------| | Example: | AT \Q3 &W | |--------------+---------------------------------------------| | Description: | Controls | |--------------+---------------------------------------------| | Command | Function | |--------------+---------------------------------------------| | \Q0 | Flow control disabled. | |--------------+---------------------------------------------| | \Q1 | RTS/CTS flow control enabled. | |--------------+---------------------------------------------| | \Q2 | DC1/DC2 flow control enabled. | |--------------+---------------------------------------------| |>> \Q3 | DC1/DC3 flow control enabled. | +------------------------------------------------------------+ +------------------------------------------------------------+ | V.42 MODE | |------------------------------------------------------------| | Type: | Configuration | |--------------+---------------------------------------------| | Format: | AT [cmds] \Nn [cmds] | |--------------+---------------------------------------------| | Example: | AT \N3 &W | |--------------+---------------------------------------------| | Description: | Controls V.42 mode. | |--------------+---------------------------------------------| | Command | Function | |--------------+---------------------------------------------| | \N0 | Error correction disabled. | |--------------+---------------------------------------------| | \N1 | Mandatory mode for error correction | | | enabled. | |--------------+---------------------------------------------| | \N2 | V.42 error correction enabled. | |--------------+---------------------------------------------| |>> \N3 | Automatic mode for error correction | | | enabled. | +------------------------------------------------------------+ +------------------------------------------------------------+ | V.42 PASS-THROUGH FLOW CONRTOL | |------------------------------------------------------------| | Type: | Configuration | |--------------+---------------------------------------------| | Format: | AT [cmds] \Xn [cmds] | |--------------+---------------------------------------------| | Example: | AT \X7 &W | |--------------+---------------------------------------------| | Description: | Controls both DTE and DCE pass-through flow | | | control. | |------------------------------------------------------------| | Command | DTE pass-through | DCE pass-through | |----------------+----------------------+--------------------| |>> \X0 | DTE and DCE | DTE and DCE | | | pass-through flow | pass-through flow | | | disabled. | disabled. | |----------------+----------------------+--------------------| | \X1 | DTE and DCE | DTE and DCE | | | pass-through flow | pass-through flow | | | enabled. | Enabled. | |----------------+----------------------+--------------------| | \X1, 0 | DTE pass-through | DCE pass-through | | | flow enabled. | flow disabled. | |----------------+----------------------+--------------------| | \X0, 1 | DTE pass-through | DCE pass-through | | | flow disabled. | flow enabled. | +------------------------------------------------------------+ +------------------------------------------------------------+ | V.42 PROTOCOL | |------------------------------------------------------------| | Type: | Configuration | |--------------+---------------------------------------------| | Format: | AT [cmds] \Pn [cmds] | |--------------+---------------------------------------------| | Example: | AT \P2 &W | |--------------+---------------------------------------------| | Description: | Selects V.42 protocol. | |--------------+---------------------------------------------| | Command | Function | |--------------+---------------------------------------------| | \P0 | LAPM protocol enabled. | |--------------+---------------------------------------------| | \P1 | MNP protocol enabled. | |--------------+---------------------------------------------| |>> \P2 | LAPM/MNP protocol enabled. | +------------------------------------------------------------+ +------------------------------------------------------------+ | V.42 RESULT CODES | |------------------------------------------------------------| | Type: | Configuration | |--------------+---------------------------------------------| | Format: | AT [cmds] \Vn [cmds] | |--------------+---------------------------------------------| | Example: | AT \V1 %C1 | |--------------+---------------------------------------------| | Description: | Selects V.42 result codes. | |--------------+---------------------------------------------| | Command | Function | |--------------+---------------------------------------------| | \V0 | Regular V.42 result codes disabled. | |--------------+---------------------------------------------| |>> \V1 | Extended V.42 result codes enabled. | +------------------------------------------------------------+ +------------------------------------------------------------+ | V.42bis OPERATION | |------------------------------------------------------------| | Type: | Configuration | |--------------+---------------------------------------------| | Format: | AT [cmds] \Mn [cmds] | |--------------+---------------------------------------------| | Example: | AT \M0 &W | |--------------+---------------------------------------------| | Description: | Controls V.42bis operation. | |--------------+---------------------------------------------| | Command | Function | |--------------+---------------------------------------------| |>> \M0 | V.42bis enabled. | |--------------+---------------------------------------------| | \M1 | V.42bis disabled. | +------------------------------------------------------------+ +------------------------------------------------------------+ | V.42bis STRING LENGTH | |------------------------------------------------------------| | Type: | Immediate | |--------------+---------------------------------------------| | Format: | AT [cmds] \H=n [cmds] | |--------------+---------------------------------------------| | Example: | AT \H=13 | |--------------+---------------------------------------------| | Default: | 16 | |--------------+---------------------------------------------| | Range: | 6 - 250 | |--------------+---------------------------------------------| | Unit: | ASCII | |--------------+---------------------------------------------| | Description: | Sets the string length in V.42bis. | +------------------------------------------------------------+ +------------------------------------------------------------+ | VIEW V.42-RELATED CONFIGURATION | |------------------------------------------------------------| | Type: | Configuration | |--------------+---------------------------------------------| | Format: | AT [cmds] \Sn [cmds] | |--------------+---------------------------------------------| | Example: | AT \S &W | |--------------+---------------------------------------------| | Description: | Shows the status of V.42 configuration. | +------------------------------------------------------------+ Proprietary V.25bis Command Set +------------------------------------------------------------+ | CALL FAILURE INDICATOR | |------------------------------------------------------------| | Type: | Response | |--------------+---------------------------------------------| | Format: | CFIxx | |--------------+---------------------------------------------| | Description: | Indicates that the attempt to connect | | | failed. | |------------------------------------------------------------| | Response | Name | Description: | |---------------+---------+----------------------------------| | CFIAB | Abort | The call was aborted because | | | | either no dialtone was detected | | | | or a character was received from | | | | the host computer. | |---------------+---------+----------------------------------| | CFICB | DCE | An incoming call was detected | | | Busy | after the dialing command was | | | | issued. | |---------------+---------+----------------------------------| | CFIET | Engaged | A busy signal was detected. | | | Tone | | |---------------+---------+----------------------------------| | CFIND | No Dial | Modem didn't detect a dailtone. | |---------------+---------+----------------------------------| | CFINS | Not | The memory address given did not | | | Stored | contain a valid telephone | | | | number. | |---------------+---------+----------------------------------| | CFINT | No Tone | The remote party did not issue a | | | | response tone. | |---------------+---------+----------------------------------| | CFIRT | Ring | A responding tone was detected, | | | Tone | but the call timed out before it | | | | was completed. | +------------------------------------------------------------+ +------------------------------------------------------------+ | COMMAND SET - AT | |------------------------------------------------------------| | Type: | Immediate | |--------------+---------------------------------------------| | Format: | RHA | |--------------+---------------------------------------------| | Example: | RHA | |--------------+---------------------------------------------| | Description: | Switch to AT command set. | +------------------------------------------------------------+ +------------------------------------------------------------+ | CONNECTION | |------------------------------------------------------------| | Type: | Response | |--------------+---------------------------------------------| | Format: | CNX | |--------------+---------------------------------------------| | Description: | A connection has been successfully | | | established. | +------------------------------------------------------------+ +------------------------------------------------------------+ | INVALID | |------------------------------------------------------------| | Type: | Response | |--------------+---------------------------------------------| | Format: | INVxx | |--------------+---------------------------------------------| | Example: | INVCU | |--------------+---------------------------------------------| | Description: | The modem was issued an improper command. | | | The two letters following indicate the | | | error. | |--------------+---------------------------------------------| | Code | Meaning | |--------------+---------------------------------------------| | INVCU | An error occurred in transmission. | |--------------+---------------------------------------------| | INVMS | The command was too long or was followed by | | | a semicolon. | |--------------+---------------------------------------------| | INVPS | An improper number parameters were issued. | |--------------+---------------------------------------------| | INVPV | The parameters were ignored or invalid. | +------------------------------------------------------------+ +------------------------------------------------------------+ | 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. | +------------------------------------------------------------+