MOTOROLA, INC. ============== POWER 28.8 DATA/FAX MODEM 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 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 | Power switch | SW1 | |------------------+----------+-------------------+----------| | RS-232/422 | CN3 | | | +------------------------------------------------------------+ +------------------------------------------------------------+ | FACTORY RESET | |------------------------------------------------------------| | Mode | SW2 | |-------------------------------+----------------------------| | Normal operation | On | |-------------------------------+----------------------------| | NVRAM clear | Off | +------------------------------------------------------------+ +------------------------------------------------------------+ | DIAGNOSTIC LED(S) | |------------------------------------------------------------| | LED | Color | Status | Condition | |-----+-------+----------+-----------------------------------| | MR | Red | On | Power is on | |-----+-------+----------+-----------------------------------| | MR | Red | Off | Power is off | |-----+-------+----------+-----------------------------------| | MR | Red | Blinking | Modem is performing self-test | |-----+-------+----------+-----------------------------------| | TR | Red | On | DTR signal is high | |-----+-------+----------+-----------------------------------| | TR | Red | Off | DTR signal is low | |-----+-------+----------+-----------------------------------| | CD | Red | On | Carrier signal detected | |-----+-------+----------+-----------------------------------| | CD | Red | Off | Carrier signal not detected | |-----+-------+----------+-----------------------------------| | CD | Red | Blinking | Modem is being configured | | | | | remotely | |-----+-------+----------+-----------------------------------| | 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 | |-----+-------+----------+-----------------------------------| | AA | Red | On | Auto-answer enabled | |-----+-------+----------+-----------------------------------| | AA | Red | Off | Auto-answer disabled | |-----+-------+----------+-----------------------------------| | AA | Red | Blinking | Phone is ringing | |-----+-------+----------+-----------------------------------| | OH | Red | On | Modem is off-hook | |-----+-------+----------+-----------------------------------| | OH | Red | Off | Modem is on-hook | |-----+-------+----------+-----------------------------------| | HS | Red | On | Modem is operating at 16.8Kbps or | | | | | faster | |-----+-------+----------+-----------------------------------| | HS | Red | Off | Modem is operating between | | | | | 4800bps and 14.4Kbps | |-----+-------+----------+-----------------------------------| | HS | Red | Blinking | Modem is operating at 2400bps or | | | | | slower | +------------------------------------------------------------+ Proprietary AT Command Set +------------------------------------------------------------+ | AUTO-RELIABLE FALLBACK CHARACTER | |------------------------------------------------------------| | Type: | Register | |--------------+---------------------------------------------| | Format: | AT [cmds] %An [cmds] | |--------------+---------------------------------------------| | Example: | AT%A20 | |--------------+---------------------------------------------| | Default: | 0 | |--------------+---------------------------------------------| | 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 | |--------------+---------------------------------------------| |>> \C0 | Data is discarded. | |--------------+---------------------------------------------| | \C1 | Data is buffered. | +------------------------------------------------------------+ +------------------------------------------------------------+ | BREAK TYPE | |------------------------------------------------------------| | Type: | Configuration | |--------------+---------------------------------------------| | Format: | AT [cmds] \Kn [cmds] | |--------------+---------------------------------------------| | Example: | AT \K1 | |--------------+---------------------------------------------| | Description: | Configures action of break signal. | |--------------+---------------------------------------------| | Command | Function | |--------------+---------------------------------------------| | \K1 | Buffers cleared and break sent to remote | | | modem. | |--------------+---------------------------------------------| | \K3 | Send break to remote modem immediately. | |--------------+---------------------------------------------| | \K5 | Send break with transmitted data. | +------------------------------------------------------------+ +------------------------------------------------------------+ | BREAK SEND | |------------------------------------------------------------| | Type: | Configuration | |--------------+---------------------------------------------| | Format: | AT [cmds] \Bn [cmds] | |--------------+---------------------------------------------| | Example: | AT \B50 O | |--------------+---------------------------------------------| | Default: | 35 | |--------------+---------------------------------------------| | Range: | 1-255 | |--------------+---------------------------------------------| | Unit: | 20ms | |--------------+---------------------------------------------| | Description: | Sends break to modem. | +------------------------------------------------------------+ +------------------------------------------------------------+ | CALLER ID | |------------------------------------------------------------| | Type: | Configuration | |--------------+---------------------------------------------| | Format: | AT [cmds] *IDn [cmds] | |--------------+---------------------------------------------| | Example: | AT *ID1 | |--------------+---------------------------------------------| | Description: | Controls the Caller ID function. | |--------------+---------------------------------------------| | Command | Function | |--------------+---------------------------------------------| |>> *ID0 | Caller ID disabled. | |--------------+---------------------------------------------| | *ID1 | Caller ID enabled. | +------------------------------------------------------------+ +------------------------------------------------------------+ | CD SIGNAL | |------------------------------------------------------------| | Type: | Configuration | |--------------+---------------------------------------------| | Format: | AT [cmds] &Cn [cmds] | |--------------+---------------------------------------------| | Example: | AT &C3 *RS1 *SR1 | |--------------+---------------------------------------------| | Description: | Configures the behavior of the carrier | | | detect signal. | |--------------+---------------------------------------------| | Command | Function | |--------------+---------------------------------------------| | &C0 | CD forced high. | |--------------+---------------------------------------------| |>> &C1 | CD normal. | |--------------+---------------------------------------------| | &C2 | CD forced high except during disconnect. | |--------------+---------------------------------------------| | &C3 | CD follows remote RTS signal. | +------------------------------------------------------------+ +------------------------------------------------------------+ | COMMAND SET | |------------------------------------------------------------| | Type: | Configuration | |--------------+---------------------------------------------| | Format: | AT [cmds] *NTn [cmds] | |--------------+---------------------------------------------| | Example: | AT *NT0 | |--------------+---------------------------------------------| | Description: | Disables the AT command set. | |--------------+---------------------------------------------| | Note: | To re-enable the command set, power down | | | the modem and then cycle power seven times. | | | The modem must remain powered on each time | | | at least one second but not more than five. | |--------------+---------------------------------------------| | Command | Function | |--------------+---------------------------------------------| | *NT0 | Command set disabled. | |--------------+---------------------------------------------| |>> *NT1 | Command set enabled. | +------------------------------------------------------------+ +------------------------------------------------------------+ | 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. | +------------------------------------------------------------+ +------------------------------------------------------------+ | 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. | |--------------+---------------------------------------------| | \N6 | LAP-M mode with fallback to MNP enabled. | |--------------+---------------------------------------------| |>> \N7 | LAP-M mode with fallback to MNP and normal | | | modes enabled. | +------------------------------------------------------------+ +------------------------------------------------------------+ | CONNECTION SPEED LOWER LIMIT | |------------------------------------------------------------| | Type: | Configuration | |--------------+---------------------------------------------| | Format: | AT [cmds] %Ln [cmds] | |--------------+---------------------------------------------| | Example: | AT %L3 %B14 \J0 | |--------------+---------------------------------------------| | Description: | Sets slowest allowed connection speed. | |--------------+---------------------------------------------| | Command | Function | |--------------+---------------------------------------------| |>> %L0 | Disabled. | |--------------+---------------------------------------------| | %L2 | Select 1200bps minimum speed. | |--------------+---------------------------------------------| | %L3 | Select 2400bps minimum speed. | |--------------+---------------------------------------------| | %L4 | Select 4800bps minimum speed. | |--------------+---------------------------------------------| | %L5 | Select 9600bps uncoded minimum speed. | |--------------+---------------------------------------------| | %L6 | Select 9600bps minimum speed. | |--------------+---------------------------------------------| | %L7 | Select 7200bps minimum speed. | |--------------+---------------------------------------------| | %L8 | Select 12Kbps minimum speed. | |--------------+---------------------------------------------| | %L9 | Select 14.4Kbps minimum speed. | |--------------+---------------------------------------------| | %L10 | Select 600bps minimum speed. | |--------------+---------------------------------------------| | %L11 | Select 16.8Kbps minimum speed. | |--------------+---------------------------------------------| | %L12 | Select 19.2Kbps minimum speed. | |--------------+---------------------------------------------| | %L13 | Select 21.6Kbps minimum speed. | |--------------+---------------------------------------------| | %L14 | Select 24Kbps minimum speed. | |--------------+---------------------------------------------| | %L15 | Select 26.4Kbps minimum speed. | |--------------+---------------------------------------------| | %L16 | Select 28.8Kbps minimum speed. | +------------------------------------------------------------+ +------------------------------------------------------------+ | CONNECTION SPEED UPPER LIMIT | |------------------------------------------------------------| | Type: | Configuration | |--------------+---------------------------------------------| | Format: | AT [cmds] %Bn [cmds] | |--------------+---------------------------------------------| | Example: | AT %L3 %B14 \J0 | |--------------+---------------------------------------------| | Description: | Sets fastest allowed connection speed. | |--------------+---------------------------------------------| | Command | Function | |--------------+---------------------------------------------| | %B0 | Follow serial port speed. | |--------------+---------------------------------------------| | %B1 | Select 300bps maximum speed. | |--------------+---------------------------------------------| | %B2 | Select 1200bps maximum speed. | |--------------+---------------------------------------------| | %B3 | Select 2400bps maximum speed. | |--------------+---------------------------------------------| | %B4 | Select 4800bps maximum speed. | |--------------+---------------------------------------------| | %B5 | Select 9600bps uncoded maximum speed. | |--------------+---------------------------------------------| | %B6 | Select 9600bps maximum speed. | |--------------+---------------------------------------------| | %B7 | Select 7200bps maximum speed. | |--------------+---------------------------------------------| | %B8 | Select 12Kbps maximum speed. | |--------------+---------------------------------------------| |>> %B9 | Select 14.4Kbps maximum speed. | |--------------+---------------------------------------------| | %B10 | Select 600bps maximum speed. | |--------------+---------------------------------------------| | %B11 | Select 16.8Kbps maximum speed. | |--------------+---------------------------------------------| | %B12 | Select 19.2Kbps maximum speed. | |--------------+---------------------------------------------| | %B13 | Select 21.6Kbps maximum speed. | |--------------+---------------------------------------------| | %B14 | Select 24Kbps maximum speed. | |--------------+---------------------------------------------| | %B15 | Select 26.4Kbps maximum speed. | |--------------+---------------------------------------------| | %B16 | Select 28.8Kbps maximum speed. | +------------------------------------------------------------+ +------------------------------------------------------------+ | CTS SIGNAL | |------------------------------------------------------------| | Type: | Configuration | |--------------+---------------------------------------------| | Format: | AT [cmds] &Rn [cmds] | |--------------+---------------------------------------------| | Example: | AT &R0 | |--------------+---------------------------------------------| | Description: | Selects the function of the CTS signal. | |--------------+---------------------------------------------| | Command | Function | |--------------+---------------------------------------------| | &R0 | CTS normal. | |--------------+---------------------------------------------| |>> &R1 | CTS forced high. | |--------------+---------------------------------------------| | &R2 | CTS follows CD. | |--------------+---------------------------------------------| | &R9 | CTS follows RTS. | +------------------------------------------------------------+ +------------------------------------------------------------+ | DISCONNECT BUFFER DELAY | |------------------------------------------------------------| | Type: | Configuration | |--------------+---------------------------------------------| | Format: | AT [cmds] %Dn [cmds] | |--------------+---------------------------------------------| | Example: | AT %D0 | |--------------+---------------------------------------------| | Default: | 0 | |--------------+---------------------------------------------| | Range: | 0-255 | |--------------+---------------------------------------------| | Unit: | 1 minute | |--------------+---------------------------------------------| | Description: | Configures how long the modem will wait to | | | disconnect if there is data in the transmit | | | or receive buffers. | +------------------------------------------------------------+ +------------------------------------------------------------+ | DISPLAY STORED NUMBERS | |------------------------------------------------------------| | Type: | Immediate | |--------------+---------------------------------------------| | Format: | AT [cmds] *ND [cmds] | |--------------+---------------------------------------------| | Example: | AT*CN3,555-1212 *ND | |--------------+---------------------------------------------| | Description: | Displays all stored phone numbers. | +------------------------------------------------------------+ +------------------------------------------------------------+ | DSR SIGNAL | |------------------------------------------------------------| | Type: | Configuration | |--------------+---------------------------------------------| | Format: | AT [cmds] &Sn [cmds] | |--------------+---------------------------------------------| | Example: | AT &S0 | |--------------+---------------------------------------------| | Description: | Selects the function of the DSR signal. | |--------------+---------------------------------------------| | Command | Function | |--------------+---------------------------------------------| |>> &S0 | DSR forced high. | |--------------+---------------------------------------------| | &S1 | DSR normal. | |--------------+---------------------------------------------| | &S2 | DSR normal, except forced low on | | | disconnect. | |--------------+---------------------------------------------| | &S3 | DSR follows OH. | +------------------------------------------------------------+ +------------------------------------------------------------+ | DTR SIGNAL | |------------------------------------------------------------| | Type: | Configuration | |--------------+---------------------------------------------| | Format: | AT [cmds] &Dn [cmds] | |--------------+---------------------------------------------| | Example: | AT &D1 | |--------------+---------------------------------------------| | Description: | Configures the behavior of the Data | | | Terminal Ready signal. | |--------------+---------------------------------------------| | Command | Function | |--------------+---------------------------------------------| | &D0 | DTR forced high. | |--------------+---------------------------------------------| | &D1 | Modem will enter command mode on low DTR. | |--------------+---------------------------------------------| |>> &D2 | Modem will disconnect on low DTR. | |--------------+---------------------------------------------| | &D3 | Modem will disconnect and reset on low DTR. | |--------------+---------------------------------------------| | &D9 | DTR dialing enabled. | +------------------------------------------------------------+ +------------------------------------------------------------+ | EXTENDED RESULT CODES | |------------------------------------------------------------| | Type: | Configuration | |--------------+---------------------------------------------| | Format: | AT [cmds] \Vn [cmds] | |--------------+---------------------------------------------| | Example: | AT \V1 %C1 | |--------------+---------------------------------------------| | Description: | Selects extended result codes. | |--------------+---------------------------------------------| | Command | Function | |--------------+---------------------------------------------| | \V0 | Extended result codes disabled, DTE speed | | | reported. | |--------------+---------------------------------------------| | \V1 | Protocol result codes enabled, DTE speed | | | reported. | |--------------+---------------------------------------------| | \V2 | Extended result codes disabled, DCE speed | | | reported. | |--------------+---------------------------------------------| | \V3 | Protocol result codes enabled, DCE speed | | | reported. | |--------------+---------------------------------------------| |>> \V4 | Protocol and modulation result codes | | | enabled, DCE speed reported. | +------------------------------------------------------------+ +------------------------------------------------------------+ | FLOW CONTROL | |------------------------------------------------------------| | Type: | Configuration | |--------------+---------------------------------------------| | Format: | AT [cmds] \Gn [cmds] | |--------------+---------------------------------------------| | Example: | AT G1 &M0 | |--------------+---------------------------------------------| | Description: | Selects modem port flow control. | |--------------+---------------------------------------------| | Command | Function | |--------------+---------------------------------------------| |>> \G0 | Flow control disabled. | |--------------+---------------------------------------------| | \G1 | Flow control enabled. | +------------------------------------------------------------+ +------------------------------------------------------------+ | FLOW CONTROL CHARACTER - XOFF FROM TERMINAL | |------------------------------------------------------------| | Type: | Register | |--------------+---------------------------------------------| | Format: | AT [cmds] S45=n [cmds] | |--------------+---------------------------------------------| | Example: | ATS45=22 | |--------------+---------------------------------------------| | Default: | 19 | |--------------+---------------------------------------------| | Range: | 0-127 | |--------------+---------------------------------------------| | Unit: | ASCII | |--------------+---------------------------------------------| | Description: | Sets the character the terminal sends to | | | represent XOFF. | +------------------------------------------------------------+ +------------------------------------------------------------+ | FLOW CONTROL CHARACTER - XON FROM TERMINAL | |------------------------------------------------------------| | Type: | Register | |--------------+---------------------------------------------| | Format: | AT [cmds] S44=n [cmds] | |--------------+---------------------------------------------| | Example: | ATS44=20 | |--------------+---------------------------------------------| | Default: | 17 | |--------------+---------------------------------------------| | Range: | 0-127 | |--------------+---------------------------------------------| | Unit: | ASCII | |--------------+---------------------------------------------| | Description: | Sets the character the terminal sends to | | | represent XON. | +------------------------------------------------------------+ +------------------------------------------------------------+ | FLOW CONTROL CHARACTER - XOFF TO TERMINAL | |------------------------------------------------------------| | Type: | Register | |--------------+---------------------------------------------| | Format: | AT [cmds] S50=n [cmds] | |--------------+---------------------------------------------| | Example: | ATS50=23 | |--------------+---------------------------------------------| | Default: | 19 | |--------------+---------------------------------------------| | Range: | 0-127 | |--------------+---------------------------------------------| | Unit: | ASCII | |--------------+---------------------------------------------| | Description: | Sets the character the modem sends to | | | represent XOFF. | +------------------------------------------------------------+ +------------------------------------------------------------+ | FLOW CONTROL CHARACTER - XON TO TERMINAL | |------------------------------------------------------------| | Type: | Register | |--------------+---------------------------------------------| | Format: | AT [cmds] S49=n [cmds] | |--------------+---------------------------------------------| | Example: | ATS49=21 | |--------------+---------------------------------------------| | Default: | 17 | |--------------+---------------------------------------------| | Range: | 0-127 | |--------------+---------------------------------------------| | Unit: | ASCII | |--------------+---------------------------------------------| | Description: | Sets the character the modem sends to | | | represent XON. | +------------------------------------------------------------+ +------------------------------------------------------------+ | FLOW CONTROL TYPE | |------------------------------------------------------------| | Type: | Configuration | |--------------+---------------------------------------------| | Format: | AT [cmds] \Qn [cmds] | |--------------+---------------------------------------------| | Example: | AT \Q5 | |--------------+---------------------------------------------| | Description: | Sets type of flow control used by modem. | |--------------+---------------------------------------------| | Command | Function | |--------------+---------------------------------------------| | \Q0 | Flow control disabled. | |--------------+---------------------------------------------| | \Q1 | Bidirectional XON/XOFF flow control | | | enabled. | |--------------+---------------------------------------------| | \Q2 | CTS flow control by DCE enabled. | |--------------+---------------------------------------------| |>> \Q3 | Bidirectional CTS/RTS flow control enabled. | +------------------------------------------------------------+ +------------------------------------------------------------+ | FORCE RETRAIN | |------------------------------------------------------------| | Type: | Immediate | |--------------+---------------------------------------------| | Format: | AT [cmds] *RRn [cmds] | |--------------+---------------------------------------------| | Example: | AT *RR14 O | |--------------+---------------------------------------------| | Description: | Forces the modem to attempt to retrain to | | | the selected speed. | |--------------+---------------------------------------------| | Command | Function | |--------------+---------------------------------------------| | *RR0 | Attempt 2400bps speed. | |--------------+---------------------------------------------| | *RR1 | Attempt 4800bps speed. | |--------------+---------------------------------------------| | *RR2 | Attempt 7200bps speed. | |--------------+---------------------------------------------| | *RR3 | Attempt 9600bps speed. | |--------------+---------------------------------------------| | *RR4 | Attempt 12Kbps speed. | |--------------+---------------------------------------------| | *RR5 | Attempt 14.4Kbps speed. | |--------------+---------------------------------------------| | *RR6 | Attempt 16.8Kbps speed. | |--------------+---------------------------------------------| | *RR7 | Attempt 19.2Kbps speed. | |--------------+---------------------------------------------| | *RR8 | Attempt 21.6Kbps speed. | |--------------+---------------------------------------------| | *RR9 | Attempt 24Kbps speed. | |--------------+---------------------------------------------| | *RR10 | Attempt 26.4Kbps speed. | |--------------+---------------------------------------------| | *RR11 | Attempt 28.8Kbps speed. | +------------------------------------------------------------+ +------------------------------------------------------------+ | HANG UP MODE | |------------------------------------------------------------| | Type: | Configuration | |--------------+---------------------------------------------| | Format: | AT [cmds] Hn [cmds] | |--------------+---------------------------------------------| | Example: | AT H3 O | |--------------+---------------------------------------------| | Description: | Selects how the modem will hang up. | |--------------+---------------------------------------------| | Command | Function | |--------------+---------------------------------------------| |>> H2 | Set hang up mode to normal on next ATH | | | command. | |--------------+---------------------------------------------| | H3 | Set hang up mode to fast on next ATH | | | command. | +------------------------------------------------------------+ +------------------------------------------------------------+ | HELP SCREENS | |------------------------------------------------------------| | Type: | Immediate | |--------------+---------------------------------------------| | Format: | AT $H=xxxx | |--------------+---------------------------------------------| | Example: | AT $H=MNP | |--------------+---------------------------------------------| | Description: | Shows modem help screens. If a string is | | | included as shown in the example, the modem | | | will perform a search for the string; | | | otherwise, the whole help section will be | | | displayed. | +------------------------------------------------------------+ +------------------------------------------------------------+ | INACTIVITY TIMER | |------------------------------------------------------------| | Type: | Register | |--------------+---------------------------------------------| | Format: | AT [cmds] \Tn [cmds] | |--------------+---------------------------------------------| | Example: | AT\T20 | |--------------+---------------------------------------------| | Default: | 0 | |--------------+---------------------------------------------| | Range: | 0-255 | |--------------+---------------------------------------------| | Unit: | 1 minute | |--------------+---------------------------------------------| | Description: | Sets the length of time that the modem does | | | not receive information before it | | | disconnects. | +------------------------------------------------------------+ +------------------------------------------------------------+ | LOCK SERIAL PORT | |------------------------------------------------------------| | Type: | Configuration | |--------------+---------------------------------------------| | Format: | AT [cmds] \Jn [cmds] | |--------------+---------------------------------------------| | Example: | AT %L3 %B14 \J0 | |--------------+---------------------------------------------| | Description: | Sets operation of serial port speed. | |--------------+---------------------------------------------| | Command | Function | |--------------+---------------------------------------------| |>> \J0 | Serial speed locked. | |--------------+---------------------------------------------| | \J1 | Serial speed follows connect speed. | +------------------------------------------------------------+ +------------------------------------------------------------+ | 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. | +------------------------------------------------------------+ +------------------------------------------------------------+ | PROTOCOL/SPEED | |------------------------------------------------------------| | Type: | Configuration | |--------------+---------------------------------------------| | Format: | AT [cmds] *MMn [cmds] | |--------------+---------------------------------------------| | Example: | AT *MN6 *MX14 *MM11 | |--------------+---------------------------------------------| | Description: | Selects the current protocol. | |--------------+---------------------------------------------| | Command | Function | |--------------+---------------------------------------------| | *MM0 | Selects all protocols. | |--------------+---------------------------------------------| | *MM1 | Selects V.21 only. | |--------------+---------------------------------------------| | *MM2 | Selects Bell 103 only. | |--------------+---------------------------------------------| | *MM3 | Selects V.23 only. | |--------------+---------------------------------------------| | *MM4 | Selects Bell 212 only. | |--------------+---------------------------------------------| | *MM5 | Selects V.22bis only. | |--------------+---------------------------------------------| | *MM11 | Selects V.32bis only. | |--------------+---------------------------------------------| | *MM12 | Selects V.34 only. | +------------------------------------------------------------+ +------------------------------------------------------------+ | REDIAL DISABLE | |------------------------------------------------------------| | Type: | Configuration | |--------------+---------------------------------------------| | Format: | AT [cmds] *DNn [cmds] | |--------------+---------------------------------------------| | Example: | AT *DN1 | |--------------+---------------------------------------------| | Description: | Disables the ability to redial the last | | | number with A/. | |--------------+---------------------------------------------| | Command | Function | |--------------+---------------------------------------------| |>> *DN0 | A/ enabled. | |--------------+---------------------------------------------| | *DN1 | A/ disabled. | +------------------------------------------------------------+ +------------------------------------------------------------+ | REMOTE CONFIGURATION END | |------------------------------------------------------------| | Type: | Configuration | |--------------+---------------------------------------------| | Format: | AT [cmds] *RQn [cmds] | |--------------+---------------------------------------------| | Example: | AT *RQ0 D555-1212 | |--------------+---------------------------------------------| | Description: | Ends an active remote configuration | | | session. | |--------------+---------------------------------------------| | Command | Function | |--------------+---------------------------------------------| | *RQ0 | Quit and save changes. | |--------------+---------------------------------------------| | *RQ1 | Quit and discard changes. | +------------------------------------------------------------+ +------------------------------------------------------------+ | REMOTE CONFIGURATION PARITY | |------------------------------------------------------------| | Type: | Configuration | |--------------+---------------------------------------------| | Format: | AT [cmds] *RFn [cmds] | |--------------+---------------------------------------------| | Example: | AT *RB16 *RF5 | |--------------+---------------------------------------------| | Description: | Sets remote computer's parity in remote | | | configuration mode. | |--------------+---------------------------------------------| | Command | Function | |--------------+---------------------------------------------| | *RF0 | Use 7 data bits, MARK parity, and one stop | | | bit. | |--------------+---------------------------------------------| | *RF1 | Use 7 data bits, no parity, and two stop | | | bits. | |--------------+---------------------------------------------| | *RF2 | Use 7 data bits, odd parity, and one stop | | | bit. | |--------------+---------------------------------------------| | *RF3 | Use 7 data bits, even parity, and one stop | | | bit. | |--------------+---------------------------------------------| | *RF4 | Use 8 data bits, MARK parity, and one stop | | | bit. | |--------------+---------------------------------------------| | *RF5 | Use 8 data bits, no parity, and one stop | | | bit. | |--------------+---------------------------------------------| | *RF6 | Use 8 data bits, odd parity, and one stop | | | bit. | |--------------+---------------------------------------------| | *RF7 | Use 8 data bits, even parity, and one stop | | | bit. | +------------------------------------------------------------+ +------------------------------------------------------------+ | REMOTE CONFIGURATION PASSWORD | |------------------------------------------------------------| | Type: | Configuration | |--------------+---------------------------------------------| | Format: | AT [cmds] %P=nnnn [cmds] | |--------------+---------------------------------------------| | Example: | AT %P=102475 D555-1212 | |--------------+---------------------------------------------| | Default: | N/A | |--------------+---------------------------------------------| | Range: | 0-99999999, D, | |--------------+---------------------------------------------| | Description: | Sets the security code for remote | | | configuration sessions. If nnnn is omitted, | | | the code will be cleared; if a D is given, | | | remote configuration is disabled. | +------------------------------------------------------------+ +------------------------------------------------------------+ | REMOTE CONFIGURATION PERMISSION | |------------------------------------------------------------| | Type: | Configuration | |--------------+---------------------------------------------| | Format: | AT [cmds] *RAn [cmds] | |--------------+---------------------------------------------| | Example: | AT *RA0 D555-1212 | |--------------+---------------------------------------------| | Description: | Selects whether remote modems may configure | | | the local modem. | |--------------+---------------------------------------------| | Command | Function | |--------------+---------------------------------------------| | *RA0 | Remote configuration requests will be | | | denied. | |--------------+---------------------------------------------| | *RA1 | Remote configuration requests will be | | | allowed. | +------------------------------------------------------------+ +------------------------------------------------------------+ | REMOTE CONFIGURATION SERIAL PORT SPEED | |------------------------------------------------------------| | Type: | Configuration | |--------------+---------------------------------------------| | Format: | AT [cmds] *RBn [cmds] | |--------------+---------------------------------------------| | Example: | AT *RB16 *RF5 | |--------------+---------------------------------------------| | Description: | Sets remote computer's serial port speed in | | | remote configuration mode. | |--------------+---------------------------------------------| | Command | Function | |--------------+---------------------------------------------| | *RB0 | Sets 300bps speed. | |--------------+---------------------------------------------| | *RB1 | Sets 600bps speed. | |--------------+---------------------------------------------| | *RB2 | Sets 1200bps speed. | |--------------+---------------------------------------------| | *RB3 | Sets 2400bps speed. | |--------------+---------------------------------------------| | *RB4 | Sets 4800bps speed. | |--------------+---------------------------------------------| | *RB5 | Sets 7200bps speed. | |--------------+---------------------------------------------| | *RB6 | Sets 9600bps speed. | |--------------+---------------------------------------------| | *RB7 | Sets 12Kbps speed. | |--------------+---------------------------------------------| | *RB8 | Sets 14.4Kbps speed. | |--------------+---------------------------------------------| | *RB9 | Sets 16.8Kbps speed. | |--------------+---------------------------------------------| | *RB10 | Sets 19.2Kbps speed. | |--------------+---------------------------------------------| | *RB11 | Sets 21.6Kbps speed. | |--------------+---------------------------------------------| | *RB12 | Sets 24Kbps speed. | |--------------+---------------------------------------------| | *RB13 | Sets 26.4Kbps speed. | |--------------+---------------------------------------------| | *RB14 | Sets 28.8Kbps speed. | |--------------+---------------------------------------------| | *RB15 | Sets 38.4Kbps speed. | |--------------+---------------------------------------------| | *RB16 | Sets 57.6Kbps speed. | |--------------+---------------------------------------------| | *RB17 | Sets 115.2Kbps speed. | +------------------------------------------------------------+ +------------------------------------------------------------+ | REPORT INFORMATION | |------------------------------------------------------------| | Type: | Immediate | |--------------+---------------------------------------------| | Format: | AT [cmds] In [cmds] | |--------------+---------------------------------------------| | Example: | AT I3 &V1 %V | |--------------+---------------------------------------------| | Description: | Displays modem properties. | |--------------+---------------------------------------------| | Command | Function | |--------------+---------------------------------------------| | I0 | Reports modem model and speed. | |--------------+---------------------------------------------| | I1 | Reports checksum number. | |--------------+---------------------------------------------| | I3 | Reports firmware version. | |--------------+---------------------------------------------| | I4 | Reports feature code. | |--------------+---------------------------------------------| | I5 | Reports reason for last disconnect. | +------------------------------------------------------------+ +------------------------------------------------------------+ | REPORT INFORMATION AND CONFIGURATION PROFILE | |------------------------------------------------------------| | Type: | Immediate | |--------------+---------------------------------------------| | Format: | AT [cmds] &Vn [cmds] | |--------------+---------------------------------------------| | Example: | AT I3 &V1 %V | |--------------+---------------------------------------------| | Description: | Reports configuration profiles and other | | | information. | |--------------+---------------------------------------------| | Command | Function | |--------------+---------------------------------------------| | &V0 | Report configuration profiles. | |--------------+---------------------------------------------| | &V1 | Report connection status and internal modem | | | information. | |--------------+---------------------------------------------| | &V2 | Report active configuration profile. | +------------------------------------------------------------+ +------------------------------------------------------------+ | REPORT PRODUCT VERSION | |------------------------------------------------------------| | Type: | Immediate | |--------------+---------------------------------------------| | Format: | AT [cmds] %V [cmds] | |--------------+---------------------------------------------| | Example: | AT I3 &V1 %V | |--------------+---------------------------------------------| | Description: | Reports product version. | +------------------------------------------------------------+ +------------------------------------------------------------+ | REPORT SERIAL NUMBER | |------------------------------------------------------------| | Type: | Immediate | |--------------+---------------------------------------------| | Format: | AT [cmds] $V [cmds] | |--------------+---------------------------------------------| | Example: | AT I3 &V1 $V | |--------------+---------------------------------------------| | Description: | Reports product serial number. | +------------------------------------------------------------+ +------------------------------------------------------------+ | RETRAIN SENSITIVITY | |------------------------------------------------------------| | Type: | Configuration | |--------------+---------------------------------------------| | Format: | AT [cmds] %Rn [cmds] | |--------------+---------------------------------------------| | Example: | AT &C3 %R1 | |--------------+---------------------------------------------| | Description: | Sets how poor line conditions must be | | | before the modem will initiate a retrain. | |--------------+---------------------------------------------| | Command | Function | |--------------+---------------------------------------------| |>> %R0 | Modem will not initiate retrain. | |--------------+---------------------------------------------| | %R1 | Modem will initiate retrain when the Bit | | | Error Rate exceeds 10-5 for eight seconds, | | | or for one second in V.22bis mode. | |--------------+---------------------------------------------| | %R2 | Modem will initiate retrain when the Bit | | | Error Rate exceeds 10-4 for eight seconds, | | | or for one second in V.22bis mode. | |--------------+---------------------------------------------| | %R3 | Modem will initiate retrain when the Bit | | | Error Rate exceeds 10-3 for eight seconds, | | | or for one second in V.22bis mode. | +------------------------------------------------------------+ +------------------------------------------------------------+ | RI SIGNAL | |------------------------------------------------------------| | Type: | Configuration | |--------------+---------------------------------------------| | Format: | AT [cmds] \Rn [cmds] | |--------------+---------------------------------------------| | Example: | AT \R0 Q0 | |--------------+---------------------------------------------| | Description: | Controls the behavior of the Ring Indicator | | | signal. | |--------------+---------------------------------------------| | Command | Function | |--------------+---------------------------------------------| | \R0 | RI signal high during rings, and forced | | | high for duration of call. | |--------------+---------------------------------------------| |>> \R1 | RI signal high during rings only. | +------------------------------------------------------------+ +------------------------------------------------------------+ | SECURITY - CALLBACK DELAY | |------------------------------------------------------------| | Type: | Register | |--------------+---------------------------------------------| | Format: | AT [cmds] S74=n [cmds] | |--------------+---------------------------------------------| | Example: | AT S74=30 | |--------------+---------------------------------------------| | Default: | 15 | |--------------+---------------------------------------------| | Range: | 0-255 | |--------------+---------------------------------------------| | Unit: | 1 second | |--------------+---------------------------------------------| | Description: | Configures how long the modem will wait to | | | execute a callback sequence after the user | | | has disconnected. | +------------------------------------------------------------+ +------------------------------------------------------------+ | SECURITY - CALLBACK NUMBER | |------------------------------------------------------------| | Type: | Configuration | |--------------+---------------------------------------------| | Format: | AT [cmds] $Cn=<#> [cmds] | |--------------+---------------------------------------------| | Example: | AT $L0=3 $C0=1(303)443-3388 | |--------------+---------------------------------------------| | Description: | Sets the callback number for user number n. | +------------------------------------------------------------+ +------------------------------------------------------------+ | SECURITY - CALLBACK RETRY | |------------------------------------------------------------| | Type: | Register | |--------------+---------------------------------------------| | Format: | AT [cmds] S75=n [cmds] | |--------------+---------------------------------------------| | Example: | AT S75=5 | |--------------+---------------------------------------------| | Default: | 0 | |--------------+---------------------------------------------| | Range: | 0-255 | |--------------+---------------------------------------------| | Unit: | 1 redial | |--------------+---------------------------------------------| | Description: | Sets how many times the modem will attempt | | | to execute a callback if the first call | | | fails. | +------------------------------------------------------------+ +------------------------------------------------------------+ | SECURITY - CALLBACK RETRY DELAY | |------------------------------------------------------------| | Type: | Register | |--------------+---------------------------------------------| | Format: | AT [cmds] S76=n [cmds] | |--------------+---------------------------------------------| | Example: | AT S76=60 | |--------------+---------------------------------------------| | Default: | 15 | |--------------+---------------------------------------------| | Range: | 0-255 | |--------------+---------------------------------------------| | Unit: | 1 second | |--------------+---------------------------------------------| | Description: | Configures how long the modem will wait to | | | execute another callback sequence after one | | | has failed. | +------------------------------------------------------------+ +------------------------------------------------------------+ | SECURITY CHECK | |------------------------------------------------------------| | Type: | Immediate | |--------------+---------------------------------------------| | Format: | AT [cmds] $D? [cmds] | | | | | | AT [cmds] $E? [cmds] | |--------------+---------------------------------------------| | Example: | AT $DR $D? | |--------------+---------------------------------------------| | Description: | Reports whether security is enabled. | +------------------------------------------------------------+ +------------------------------------------------------------+ | SECURITY DISABLE | |------------------------------------------------------------| | Type: | Immediate | |--------------+---------------------------------------------| | Format: | AT [cmds] $D=xxxx | |--------------+---------------------------------------------| | Example: | AT $D=MicroHouse | |--------------+---------------------------------------------| | Description: | Disables security. A password must be | | | specified. | +------------------------------------------------------------+ +------------------------------------------------------------+ | SECURITY ENABLE | |------------------------------------------------------------| | Type: | Immediate | |--------------+---------------------------------------------| | Format: | AT [cmds] $EH=xxxx | |--------------+---------------------------------------------| | Example: | AT $EH=SuperSecret | |--------------+---------------------------------------------| | Description: | Enables security. The superuser password | | | must be specified. | +------------------------------------------------------------+ +------------------------------------------------------------+ | SECURITY - DELETE USER | |------------------------------------------------------------| | Type: | Configuration | |--------------+---------------------------------------------| | Format: | AT [cmds] $Rn [cmds] | |--------------+---------------------------------------------| | Example: | AT $R3 | |--------------+---------------------------------------------| | Description: | Deletes the user number n. User IDs 0 and 1 | | | cannot be deleted. | +------------------------------------------------------------+ +------------------------------------------------------------+ | SECURITY - FAILED LOGIN ATTEMPT COUNTERS | |------------------------------------------------------------| | Type: | Configuration/Immediate | |--------------+---------------------------------------------| | Format: | AT [cmds] $Mn [cmds] | |--------------+---------------------------------------------| | Example: | AT $M $M* | |--------------+---------------------------------------------| | Description: | Displays or clears the counters for failed | | | login attempts. If a number is specified, | | | the counter will be reset for that user. If | | | an * follows, all counters will be cleared. | | | If no character follows, the counters will | | | be displayed. | +------------------------------------------------------------+ +------------------------------------------------------------+ | SECURITY - FAILED LOGIN ATTEMPT MAXIMUM | |------------------------------------------------------------| | Type: | Register | |--------------+---------------------------------------------| | Format: | AT [cmds] S77=n [cmds] | |--------------+---------------------------------------------| | Example: | AT S77=3 | |--------------+---------------------------------------------| | Default: | 0 | |--------------+---------------------------------------------| | Range: | 0-255 | |--------------+---------------------------------------------| | Unit: | 1 attempt | |--------------+---------------------------------------------| | Description: | Sets the maximum number of failed logins | | | the modem will accept until it disconnects. | +------------------------------------------------------------+ +------------------------------------------------------------+ | SECURITY LEVEL | |------------------------------------------------------------| | Type: | Configuration | |--------------+---------------------------------------------| | Format: | AT [cmds] $Lm=n [cmds] | |--------------+---------------------------------------------| | Example: | AT $L0=3 $C0=1(303)443-3388 | |--------------+---------------------------------------------| | Description: | Sets the security level for user number m. | |--------------+---------------------------------------------| | Command | Function | |--------------+---------------------------------------------| | $Lm=1 | Modem prompts for a user ID and password on | | | connection. | |--------------+---------------------------------------------| | $Lm=2 | Modem prompts for a user ID and password on | | | connection, then modem begins callback | | | sequence. | |--------------+---------------------------------------------| | $Lm=3 | Modem prompts for a user ID and password on | | | connection, then modem begins callback | | | sequence. When modem reconnects, it prompts | | | for a user ID and password again. | +------------------------------------------------------------+ +------------------------------------------------------------+ | SECURITY LOGIN | |------------------------------------------------------------| | Type: | Immediate | |--------------+---------------------------------------------| | Format: | AT [cmds] $n=xxxx [cmds] | |--------------+---------------------------------------------| | Example: | AT $1=MicroHouse | |--------------+---------------------------------------------| | Description: | Logs into modem, from the local machine or | | | remotely. | +------------------------------------------------------------+ +------------------------------------------------------------+ | SECURITY LOGOUT | |------------------------------------------------------------| | Type: | Immediate | |--------------+---------------------------------------------| | Format: | AT [cmds] $$ [cmds] | |--------------+---------------------------------------------| | Example: | AT $$ | |--------------+---------------------------------------------| | Description: | Logs out from the modem. | +------------------------------------------------------------+ +------------------------------------------------------------+ | SECURITY PASSWORD | |------------------------------------------------------------| | Type: | Configuration | |--------------+---------------------------------------------| | Format: | AT [cmds] $Pn=xxxx$xxxx | |--------------+---------------------------------------------| | Example: | AT $P0=SuperSecret$SuperSecret | |--------------+---------------------------------------------| | Description: | Sets the password for user number n to | | | xxxx. User number 0 is the superuser. The | | | password must be between 4 and 34 | | | characters inclusive. The $ character may | | | not be used. | +------------------------------------------------------------+ +------------------------------------------------------------+ | SECURITY - PASSWORD TIME | |------------------------------------------------------------| | Type: | Register | |--------------+---------------------------------------------| | Format: | AT [cmds] S73=n [cmds] | |--------------+---------------------------------------------| | Example: | AT S73=10 | |--------------+---------------------------------------------| | Default: | Unidentified | |--------------+---------------------------------------------| | Range: | 0-255 | |--------------+---------------------------------------------| | Unit: | 1 second | |--------------+---------------------------------------------| | Description: | Configures how long the modem will wait for | | | a password when in secure mode. | +------------------------------------------------------------+ +------------------------------------------------------------+ | SECURITY - REPORT SUPERUSER STATUS | |------------------------------------------------------------| | Type: | Immediate | |--------------+---------------------------------------------| | Format: | AT [cmds] $Sn? [cmds] | |--------------+---------------------------------------------| | Example: | AT $S3? | |--------------+---------------------------------------------| | Description: | Reports whether user n has superuser | | | status. | +------------------------------------------------------------+ +------------------------------------------------------------+ | SECURITY - REPORT USER SETTINGS | |------------------------------------------------------------| | Type: | Immediate | |--------------+---------------------------------------------| | Format: | AT [cmds] $In [cmds] | |--------------+---------------------------------------------| | Example: | AT $I3 | |--------------+---------------------------------------------| | Description: | Reports security level and callback number | | | for user n. | +------------------------------------------------------------+ +------------------------------------------------------------+ | SECURITY RESET | |------------------------------------------------------------| | Type: | Configuration | |--------------+---------------------------------------------| | Format: | AT [cmds] $F=xxxx$xxxx | |--------------+---------------------------------------------| | Example: | AT $F=SuperSecret$SuperSecret | |--------------+---------------------------------------------| | Description: | Resets the high security options to their | | | factory defaults. | +------------------------------------------------------------+ +------------------------------------------------------------+ | SECURITY - SUPERUSER MODE | |------------------------------------------------------------| | Type: | Immediate | |--------------+---------------------------------------------| | Format: | AT [cmds] $S=xxxx [cmds] | |--------------+---------------------------------------------| | Example: | AT $S=SuperSecret | |--------------+---------------------------------------------| | Description: | Attempts to enter superuser mode. | +------------------------------------------------------------+ +------------------------------------------------------------+ | STATUS REGISTER HEXADECIMAL | |------------------------------------------------------------| | Type: | Configuration | |--------------+---------------------------------------------| | Format: | Write: AT [cmds] Sn=^hh [cmds] | | | | | | Read: AT [cmds] Sn?^ [cmds] | |--------------+---------------------------------------------| | Example: | AT S99=^3F S99?^ | |--------------+---------------------------------------------| | Description: | Sets register n to hexadecimal number hh or | | | displays register n in hexadecimal. | +------------------------------------------------------------+ +------------------------------------------------------------+ | SWITCHED LINE TRANSMISSION LEVEL | |------------------------------------------------------------| | Type: | Configuration | |--------------+---------------------------------------------| | Format: | AT [cmds] *TDn [cmds] | |--------------+---------------------------------------------| | Example: | AT *TD15 | |--------------+---------------------------------------------| | Default: | 9 | |--------------+---------------------------------------------| | Range: | 9 - 30 | |--------------+---------------------------------------------| | Unit: | -1 dBm | |--------------+---------------------------------------------| | Description: | Sets the signal level for transmission when | | | in switched line mode. | +------------------------------------------------------------+ +------------------------------------------------------------+ | TEST MODE - BIDIRECTIONAL DIGITAL LOOPBACK TEST | |------------------------------------------------------------| | Type: | Configuration | |--------------+---------------------------------------------| | Format: | AT [cmds] *DGn [cmds] | |--------------+---------------------------------------------| | Example: | AT *DG1 | |--------------+---------------------------------------------| | Description: | Controls the bidirectional local digital | | | loopback test mode. | |--------------+---------------------------------------------| | Command | Function | |--------------+---------------------------------------------| |>> *DG0 | End loopback test. | |--------------+---------------------------------------------| | *DG1 | Begin loopback test. | +------------------------------------------------------------+ +------------------------------------------------------------+ | V.32 HANDSHAKE OPTIONS | |------------------------------------------------------------| | Type: | Configuration | |--------------+---------------------------------------------| | Format: | AT [cmds] *FTn [cmds] | |--------------+---------------------------------------------| | Example: | AT *FT0 | |--------------+---------------------------------------------| | Description: | Shortens V.32 and V.32bis handshake time. | |--------------+---------------------------------------------| | Command | Function | |--------------+---------------------------------------------| |>> *FT0 | Normal handshake sequence. | |--------------+---------------------------------------------| | *FT1 | Training time is shortened by 2 seconds in | | | V.32 and V.32bis modes. | +------------------------------------------------------------+ +------------------------------------------------------------+ | V.34 RETRAIN SENSITIVITY | |------------------------------------------------------------| | Type: | Configuration | |--------------+---------------------------------------------| | Format: | AT [cmds] *THn [cmds] | |--------------+---------------------------------------------| | Example: | AT *MM12 *TH1 | |--------------+---------------------------------------------| | Description: | Sets how poor line conditions must be | | | before the modem will initiate a retrain | | | when in V.34 mode. | |--------------+---------------------------------------------| | Command | Function | |--------------+---------------------------------------------| | *TH0 | Modem will initiate retrain when the Bit | | | Error Rate exceeds 10-6. | |--------------+---------------------------------------------| | *TH1 | Modem will initiate retrain when the Bit | | | Error Rate exceeds 10-4. | |--------------+---------------------------------------------| |>> *TH2 | Modem will initiate retrain when the Bit | | | Error Rate exceeds 10-2. | +------------------------------------------------------------+ +------------------------------------------------------------+ | V.34 SPLIT BAUD MODE | |------------------------------------------------------------| | Type: | Configuration | |--------------+---------------------------------------------| | Format: | AT [cmds] *ASn [cmds] | |--------------+---------------------------------------------| | Example: | AT *AS1 | |--------------+---------------------------------------------| | Description: | Controls V.34 split baud mode. | |--------------+---------------------------------------------| | Command | Function | |--------------+---------------------------------------------| | *AS0 | V.34 split baud mode disabled. | |--------------+---------------------------------------------| |>> *AS1 | V.34 split baud mode enabled. | +------------------------------------------------------------+ +------------------------------------------------------------+ | V.42 NEGOTIATION MODE | |------------------------------------------------------------| | Type: | Configuration | |--------------+---------------------------------------------| | Format: | AT [cmds] \Mn [cmds] | |--------------+---------------------------------------------| | Example: | AT \M0 H1 DT555-1212 | |--------------+---------------------------------------------| | Description: | Selects how the modem negotiates V.42 | | | modulation during handshaking. | |--------------+---------------------------------------------| | Command | Function | |--------------+---------------------------------------------| | \M0 | Normal handshaking enabled. | |--------------+---------------------------------------------| | \M1 | Fast handshaking enabled. | +------------------------------------------------------------+ +------------------------------------------------------------+ | 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. | +------------------------------------------------------------+