3COM CORPORATION ================ SPORTSTER PCMCIA 14.4 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.21CH2, V.27ter, V.29 Protocol Error MNP5, V.42, V.42bis Correction/Compression Proprietary AT Command Set 54127 +------------------------------------------------------------+ | BIT-MAPPED REGISTER S13 | |------------------------------------------------------------| | Format | AT [cmds] S13=n [cmds] | |-----------------+------------------------------------------| | Example: | ATS13=139 | |-----------------+------------------------------------------| | Default: | 0 | |-----------------+------------------------------------------| | Range: | 0 - 89 | |-----------------+------------------------------------------| | Unit: | Bit-mapped | |-----------------+------------------------------------------| | Description: | Controls DTR reset, DTR dialing, reset | | | dialing, and MNP3. | |------------------------------------------------------------| | Bit | Value | Function | |----------+---------------+---------------------------------| | 0 |>> 0 1 | DTR normal. | | | | | | | | Reset on low DTR. | |----------+---------------+---------------------------------| | 1 |>> 0 | Not used. | |----------+---------------+---------------------------------| | 2 |>> 0 | Not used. | |----------+---------------+---------------------------------| | 3 |>> 0 1 | DTR dialing disabled. | | | | | | | | DTR dialing enabled. | |----------+---------------+---------------------------------| | 4 |>> 0 1 | Reset dialing disabled. | | | | | | | | Reset dialing enabled. | |----------+---------------+---------------------------------| | 5 |>> 0 | Not used. | |----------+---------------+---------------------------------| | 6 |>> 0 1 | MNP 3 enabled. | | | | | | | | MNP 3 disabled. | |----------+---------------+---------------------------------| | 7 |>> 0 | Not used. | +------------------------------------------------------------+ +------------------------------------------------------------+ | BIT-MAPPED REGISTER S15 | |------------------------------------------------------------| | Format | AT [cmds] S15=n [cmds] | |---------------+--------------------------------------------| | Example: | ATS15=139 | |---------------+--------------------------------------------| | Default: | 0 | |---------------+--------------------------------------------| | Range: | 0 - 56 | |---------------+--------------------------------------------| | Unit: | Bit-mapped | |---------------+--------------------------------------------| | Description: | Controls non-error-correcting mode buffer, | | | MNP4, and BS/DEL switch. | |------------------------------------------------------------| | Bit | Value | Function | |---------+-------+------------------------------------------| | 0 |>> 0 | Not used. | |---------+-------+------------------------------------------| | 1 |>> 0 | Not used. | |---------+-------+------------------------------------------| | 2 |>> 0 | Not used. | |---------+-------+------------------------------------------| | 3 |>> 0 1 | Non-error-correcting mode transmit | | | | buffer set to 1.5KB. | | | | | | | | Non-error-correcting mode transmit | | | | buffer set to 128 bytes. | |---------+-------+------------------------------------------| | 4 |>> 0 1 | MNP 4 enabled. | | | | | | | | MNP 4 disabled. | |---------+-------+------------------------------------------| | 5 |>> 0 1 | Use backspace key for delete disabled. | | | | | | | | Use backspace key for delete enabled. | +------------------------------------------------------------+ +------------------------------------------------------------+ | BIT-MAPPED REGISTER S27 | |------------------------------------------------------------| | Format | AT [cmds] S27=n [cmds] | |-----------------+------------------------------------------| | Example: | ATS27=139 | |-----------------+------------------------------------------| | Default: | 0 | |-----------------+------------------------------------------| | Range: | 0 - 191 | |-----------------+------------------------------------------| | Unit: | Bit-mapped | |-----------------+------------------------------------------| | Description: | Controls V.21, V.32 encoding and | | | modulation, V.42 answer tone and | | | handshake, and 9600 result codes. | |------------------------------------------------------------| | Bit | Value | Function | |-----------+--------+---------------------------------------| | 0 |>> 0 1 | V.21 disabled. | | | | | | | | V.21 enabled. | |-----------+--------+---------------------------------------| | 1 |>> 0 1 | V.32 trellis coding disabled. | | | | | | | | V.32 trellis coding enabled. | |-----------+--------+---------------------------------------| | 2 |>> 0 1 | V.32 modulation enabled. | | | | | | | | V.32 modulation disabled. | |-----------+--------+---------------------------------------| | 3 |>> 0 1 | 2100Hz answer tone enabled. | | | | | | | | 2100Hz answer tone disabled. | |-----------+--------+---------------------------------------| | 5, 4 |>> 00 | V.42 detect, LAPM and MNP enabled. | | | 01 10 | | | | 11 | V.42 detect and LAPM enabled. | | | | | | | | MNP enabled. | | | | | | | | LAPM enabled. | |-----------+--------+---------------------------------------| | 6 |>> 0 | Not used. | |-----------+--------+---------------------------------------| | 7 |>> 0 1 | Actual result codes displayed. | | | | | | | | Force 9600 result codes. | +------------------------------------------------------------+ +------------------------------------------------------------+ | COMPRESSION AND ERROR CORRECTION | |------------------------------------------------------------| | Format | AT [cmds] S51=n [cmds] | |-----------------+------------------------------------------| | Example: | ATS51=139 | |-----------------+------------------------------------------| | Default: | 0 | |-----------------+------------------------------------------| | Range: | 0 - 7 | |-----------------+------------------------------------------| | Unit: | Bit-mapped | |-----------------+------------------------------------------| | Description: | Selects compression and error correction | | | for specific modulations. | |------------------------------------------------------------| | Bit | Value | Function | |----------+-----------+-------------------------------------| | 0 |>> 0 1 | MNP/V.42 disabled during V.22 | | | | operation. | | | | | | | | MNP/V.42 disabled during V.22 | | | | operation. | |----------+-----------+-------------------------------------| | 1 |>> 0 1 | MNP/V.42 disabled during V.22bis | | | | operation. | | | | | | | | MNP/V.42 disabled during V.22bis | | | | operation. | |----------+-----------+-------------------------------------| | 2 |>> 0 1 | MNP/V.42 disabled during V.32bis | | | | operation. | | | | | | | | MNP/V.42 disabled during V.32bis | | | | operation. | +------------------------------------------------------------+ +------------------------------------------------------------+ | BREAK LENGTH | |------------------------------------------------------------| | Type: | Register | |--------------+---------------------------------------------| | Format: | AT [cmds] S21=n [cmds] | |--------------+---------------------------------------------| | Example: | ATS21=20 | |--------------+---------------------------------------------| | Default: | 10 | |--------------+---------------------------------------------| | Range: | Unidentified | |--------------+---------------------------------------------| | Unit: | 10 milliseconds | |--------------+---------------------------------------------| | Description: | Sets the length of error control mode | | | breaks sent from DCE to DTE. | +------------------------------------------------------------+ +------------------------------------------------------------+ | BREAK TYPE | |------------------------------------------------------------| | Type: | Configuration | |--------------+---------------------------------------------| | Format: | AT [cmds] &Yn [cmds] | |--------------+---------------------------------------------| | Example: | AT &Y0 | |--------------+---------------------------------------------| | Description: | Configures action of break signal. | |--------------+---------------------------------------------| | Command | Function | |--------------+---------------------------------------------| | &Y0 | Break empties buffer. | |--------------+---------------------------------------------| |>> &Y1 | Break empties buffer and is sent | | | immediately. | |--------------+---------------------------------------------| | &Y2 | Break does not empty buffer and is sent | | | immediately. | |--------------+---------------------------------------------| | &Y3 | Break does not empty buffer and is sent | | | with transmitted data. | +------------------------------------------------------------+ +------------------------------------------------------------+ | CONNECTION SPEED FORCE | |------------------------------------------------------------| | Type: | Configuration | |--------------+---------------------------------------------| | Format: | AT [cmds] &Nn [cmds] | |--------------+---------------------------------------------| | Example: | AT &N1 DT555-1212 | |--------------+---------------------------------------------| | Description: | Sets required connection speed., | |--------------+---------------------------------------------| | Command | Function | |--------------+---------------------------------------------| |>> &N0 | Variable. | |--------------+---------------------------------------------| | &N1 | 300bps | |--------------+---------------------------------------------| | &N2 | 1200bps | |--------------+---------------------------------------------| | &N3 | 2400bps | |--------------+---------------------------------------------| | &N4 | 4800bps | |--------------+---------------------------------------------| | &N5 | 7200bps | |--------------+---------------------------------------------| | &N6 | 9600bps | |--------------+---------------------------------------------| | &N7 | 12Kbps | |--------------+---------------------------------------------| | &N8 | 14.4Kbps | +------------------------------------------------------------+ +------------------------------------------------------------+ | ERROR CORRECTION MODE | |------------------------------------------------------------| | Type: | Configuration | |--------------+---------------------------------------------| | Format: | AT [cmds] &Mn [cmds] | |--------------+---------------------------------------------| | Example: | AT &M1 %C1 | |--------------+---------------------------------------------| | Description: | Selects active error correction protocols. | |--------------+---------------------------------------------| | Command | Function | |--------------+---------------------------------------------| | &M0 | Normal mode only. | |--------------+---------------------------------------------| |>> &M4 | Auto-detect mode. | |--------------+---------------------------------------------| | &M5 | ARQ mode only. | +------------------------------------------------------------+ +------------------------------------------------------------+ | ESCAPE CHARACTER RESPONSE | |------------------------------------------------------------| | Type: | Register | |--------------+---------------------------------------------| | Format: | AT [cmds] S14=n [cmds] | |--------------+---------------------------------------------| | Example: | ATS14=20 | |--------------+---------------------------------------------| | Default: | 0 | |--------------+---------------------------------------------| | Description: | Controls reaction to escape character. | |--------------+---------------------------------------------| | Command | Function | |--------------+---------------------------------------------| |>> S14=0 | Normal operation. | |--------------+---------------------------------------------| | S14=1 | When +++ is received, modem goes on hook, | | | enters command state and sends NO CARRIER | | | result code. | +------------------------------------------------------------+ +------------------------------------------------------------+ | EXTENDED RESULT CODES | |------------------------------------------------------------| | Type: | Configuration | |--------------+---------------------------------------------| | Format: | AT [cmds] &An [cmds] | |--------------+---------------------------------------------| | Example: | AT &A1 %C1 | |--------------+---------------------------------------------| | Description: | Selects extended result codes. | |--------------+---------------------------------------------| | Command | Function | |--------------+---------------------------------------------| | &A0 | Extended result codes disabled. | |--------------+---------------------------------------------| | &A1 | ARQ result codes enabled. | |--------------+---------------------------------------------| | &A2 | V.32 result code enabled. | |--------------+---------------------------------------------| |>> &A3 | Error control and compression result codes | | | enabled. | +------------------------------------------------------------+ +------------------------------------------------------------+ | FLOW CONTROL CHARACTER - XON | |------------------------------------------------------------| | Type: | Register | |--------------+---------------------------------------------| | Format: | AT [cmds] S22=n [cmds] | |--------------+---------------------------------------------| | Example: | ATS22=20 | |--------------+---------------------------------------------| | Default: | 17 | |--------------+---------------------------------------------| | Range: | 0-127 | |--------------+---------------------------------------------| | Unit: | ASCII | |--------------+---------------------------------------------| | Description: | Sets the character used to represent XON. | +------------------------------------------------------------+ +------------------------------------------------------------+ | FLOW CONTROL CHARACTER - XOFF | |------------------------------------------------------------| | Type: | Register | |--------------+---------------------------------------------| | Format: | AT [cmds] S23=n [cmds] | |--------------+---------------------------------------------| | Example: | ATS23=20 | |--------------+---------------------------------------------| | Default: | 19 | |--------------+---------------------------------------------| | Range: | 0-127 | |--------------+---------------------------------------------| | Unit: | ASCII | |--------------+---------------------------------------------| | Description: | Sets the character used to represent XOFF. | +------------------------------------------------------------+ +------------------------------------------------------------+ | FLOW CONTROL PASSTHROUGH | |------------------------------------------------------------| | Type: | Configuration | |--------------+---------------------------------------------| | Format: | AT [cmds] &In [cmds] | |--------------+---------------------------------------------| | Example: | AT &I0 &W | |--------------+---------------------------------------------| | Description: | Allows modem to act on, then transmit | | | XON/XOFF characters. | |--------------+---------------------------------------------| | Command | Function | |--------------+---------------------------------------------| |>> &I0 | Software flow control disabled. | |--------------+---------------------------------------------| | &I1 | XON/XOFF passthrough enabled. | |--------------+---------------------------------------------| | &I2 | XON/XOFF passthrough disabled. | |--------------+---------------------------------------------| | &I3 | ENQ/ACK enabled in host mode. | |--------------+---------------------------------------------| | &I4 | ENQ/ACK enabled in terminal mode. | |--------------+---------------------------------------------| | &I5 | XON/XOFF passthrough disabled in error | | | correction mode. | +------------------------------------------------------------+ +------------------------------------------------------------+ | FLOW CONTROL TYPE | |------------------------------------------------------------| | Type: | Configuration | |--------------+---------------------------------------------| | Format: | AT [cmds] &Hn [cmds] | |--------------+---------------------------------------------| | Example: | AT &H0 A | |--------------+---------------------------------------------| | Description: | Sets type of flow control used by modem. | |--------------+---------------------------------------------| | Command | Function | |--------------+---------------------------------------------| | &H0 | Flow control disabled. | |--------------+---------------------------------------------| |>> &H1 | CTS/RTS flow control enabled. | |--------------+---------------------------------------------| | &H2 | XON/XOFF flow control enabled. | |--------------+---------------------------------------------| | &H3 | CTS/RTS and XON/XOFF flow control enabled. | +------------------------------------------------------------+ +------------------------------------------------------------+ | HELP SCREENS | |------------------------------------------------------------| | Type: | Immediate | |--------------+---------------------------------------------| | Format: | AT $ | |--------------+---------------------------------------------| | Example: | AT &$ | |--------------+---------------------------------------------| | Description: | Shows command help screens for all commands | | | beginning with the given prefix, or no | | | prefix if none is given. | |--------------+---------------------------------------------| | Command | Function | |--------------+---------------------------------------------| | $ | Shows ATx help screen. | |--------------+---------------------------------------------| | &$ | Shows AT&x help screen. | +------------------------------------------------------------+ +------------------------------------------------------------+ | INACTIVITY TIMER | |------------------------------------------------------------| | Type: | Register | |--------------+---------------------------------------------| | Format: | AT [cmds] S19=n [cmds] | |--------------+---------------------------------------------| | Example: | ATS19=20 | |--------------+---------------------------------------------| | Default: | 0 | |--------------+---------------------------------------------| | Range: | Unidentified | |--------------+---------------------------------------------| | 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] &Bn [cmds] | |--------------+---------------------------------------------| | Example: | AT &N9 &B0 | |--------------+---------------------------------------------| | Description: | Sets operation of serial port speed. | |--------------+---------------------------------------------| | Command | Function | |--------------+---------------------------------------------| | &B0 | Serial speed follows connect speed | |--------------+---------------------------------------------| |>> &B1 | Serial speed locked. | |--------------+---------------------------------------------| | &B2 | Serial speed locked in ARQ mode only, | +------------------------------------------------------------+ +------------------------------------------------------------+ | REPORT INFORMATION | |------------------------------------------------------------| | Type: | Immediate | |--------------+---------------------------------------------| | Format: | AT [cmds] In [cmds] | |--------------+---------------------------------------------| | Example: | AT I1 O | |--------------+---------------------------------------------| | Description: | Displays modem properties. | |--------------+---------------------------------------------| | Command | Function | |--------------+---------------------------------------------| | I0 | Reports product code. | |--------------+---------------------------------------------| | I1 | Reports ROM checksum result. | |--------------+---------------------------------------------| | I2 | Reports RAM checksum result. | |--------------+---------------------------------------------| | I3 | Reports firmware version. | |--------------+---------------------------------------------| | I4 | Reports current command settings. | |--------------+---------------------------------------------| | I5 | Reports current NVRAM settings. | |--------------+---------------------------------------------| | I6 | Reports current connection's statistics. | |--------------+---------------------------------------------| | I7 | Reports configuration. | +------------------------------------------------------------+ +------------------------------------------------------------+ | TONE DIALING TEST | |------------------------------------------------------------| | Type: | Register | |--------------+---------------------------------------------| | Format: | AT [cmds] S16=n [cmds] | |--------------+---------------------------------------------| | Example: | ATS16=139 | |--------------+---------------------------------------------| | Description: | Selects the tone dialing test | |--------------+---------------------------------------------| | Command | Function | |--------------+---------------------------------------------| |>> S16=0 | Tone dialing test disabled. | |--------------+---------------------------------------------| | S16=2 | Tone dialing test enabled. | +------------------------------------------------------------+ +------------------------------------------------------------+ | V.32 AND V.32bis MODULATIONS | |------------------------------------------------------------| | Format | AT [cmds] S34=n [cmds] | |---------------+--------------------------------------------| | Example: | ATS34=139 | |---------------+--------------------------------------------| | Default: | 0 | |---------------+--------------------------------------------| | Range: | 0 - 9 | |---------------+--------------------------------------------| | Unit: | Bit-mapped | |---------------+--------------------------------------------| | Description: | Controls V.32 and V.32bis modulations. | |------------------------------------------------------------| | Bit | Value | Function | |---------+-------------+------------------------------------| | 0 |>> 0 1 | V.32bis enabled. | | | | | | | | V.32bis disabled. | |---------+-------------+------------------------------------| | 1 | 0 | Not used. | |---------+-------------+------------------------------------| | 2 | 0 | Not used. | |---------+-------------+------------------------------------| | 3 |>> 0 1 | V.32 modulation disabled. | | | | | | | | V.32 modulation enabled. | +------------------------------------------------------------+ +------------------------------------------------------------+ | V.32 HANDSHAKE TIME | |------------------------------------------------------------| | Type: | Register | |--------------+---------------------------------------------| | Format: | AT [cmds] S28=n [cmds] | |--------------+---------------------------------------------| | Example: | ATS28=20 | |--------------+---------------------------------------------| | Default: | 8 | |--------------+---------------------------------------------| | Range: | 0-255 | |--------------+---------------------------------------------| | Unit: | .1 second | |--------------+---------------------------------------------| | Description: | Sets length of V.32 handshake. |