TELEBIT CORPORATION =================== TRAILBLAZER PLUS PC Card Type Modem (synchronous/asynchronous) Processor Motorola 68000 Processor Speed Unidentified Chipset Unidentified Maximum Data Rate 18Kbps Data Bus 8-bit ISA Data Modulation Bell 103A/212A ITU-T V.22, V.22bis Telebit PEP Error Correction/Compression MNP3 +------------------------------------------------------------+ | CONNECTIONS | |------------------------------------------------------------| | Function | Label | Function | Label | |------------------------------------------------------------| | Line in | CN1 | Line out | CN2 | +------------------------------------------------------------+ +------------------------------------------------------------+ | USER CONFIGURABLE SETTINGS | |------------------------------------------------------------| | Setting | Label | Position | |-------------------------------------+-------+--------------| | i Factory configured - do not alter | JP1 | Unidentified | |-------------------------------------+-------+--------------| | i Factory configured - do not alter | E25 | Unidentified | +------------------------------------------------------------+ +------------------------------------------------------------+ | SERIAL PORT CONFIGURATION | |------------------------------------------------------------| | Address | IRQ | E22 | E23 | E24 | |----------+------+----------------+------------+------------| | 3F8h | IRQ4 | Pins 1 & 2 | Pins 1 & 2 | Pins 2 & 3 | | (COM1:) | | closed | closed | closed | |----------+------+----------------+------------+------------| | 2F8h | IRQ3 | Pins 2 & 3 | Pins 1 & 2 | Pins 1 & 2 | | (COM2:) | | closed | closed | closed | |----------+------+----------------+------------+------------| | 3E8h | IRQ4 | Pins 1 & 2 | Pins 2 & 3 | Pins 2 & 3 | | (COM3:) | | closed | closed | closed | |----------+------+----------------+------------+------------| | 2E8h | IRQ3 | Pins 2 & 3 | Pins 2 & 3 | Pins 1 & 2 | | (COM4:) | | closed | closed | closed | +------------------------------------------------------------+ +------------------------------------------------------------+ | SUPPORTED STANDARD COMMANDS | |------------------------------------------------------------| | Basic AT Commands | |------------------------------------------------------------| | +++, 'comma', A/ | |------------------------------------------------------------| | A, C, E, F, H, M, O, V, X, Z | |------------------------------------------------------------| | &F, &T | |------------------------------------------------------------| | S-Registers | |------------------------------------------------------------| | S0, S1, S2, S3, S4, S5, S6, S7, S8, S9, S10, S11, S12 | |------------------------------------------------------------| | Note: See MHI documentation for complete information. | +------------------------------------------------------------+ Proprietary AT Command Set +------------------------------------------------------------+ | ANSWER/ORIGINATE MODE | |------------------------------------------------------------| | Type: | Register | |--------------+---------------------------------------------| | Format: | AT [cmds] <>n [cmds] | |--------------+---------------------------------------------| | Description: | Selects whether the modem answers calls in | | | answer or originate mode. | |------------------------------------------------------------| | Command | Function | |---------------+--------------------------------------------| | i S100=0 | Modem answers calls in answer mode and | | | originates calls in originate mode. | |---------------+--------------------------------------------| | S100=1 | Modem answers calls in originate mode and | | | originates calls in answer mode. | +------------------------------------------------------------+ +------------------------------------------------------------+ | AT PREFIX | |------------------------------------------------------------| | Type: | Register | |--------------+---------------------------------------------| | Format: | AT [cmds] S63=n [cmds] | |--------------+---------------------------------------------| | Description: | Selects whether the AT prefix is required | | | in command mode. | |------------------------------------------------------------| | Command | Function | |---------------+--------------------------------------------| | S63=0 | AT prefix not required. All characters | | | entered in command mode will be assumed to | | | be commands. | |---------------+--------------------------------------------| | i S63=1 | AT prefix required for command mode. | +------------------------------------------------------------+ +------------------------------------------------------------+ | AUTO-CONNECT | |------------------------------------------------------------| | Type: | Register | |--------------+---------------------------------------------| | Format: | AT [cmds] S101=n [cmds] | |--------------+---------------------------------------------| | Description: | Selects whether the modem will attempt to | | | connect automatically when no carrier is | | | detected even when no call has been made or | | | received. | |------------------------------------------------------------| | Command | Function | |----------------+-------------------------------------------| | i S101=0 | Modem does not attempt to auto-connect. | |----------------+-------------------------------------------| | S101=1 | Modem attempts to connect in answer mode | | | every 20 seconds. | |----------------+-------------------------------------------| | S101=2 | Modem attempts to connect in originate | | | mode every 20 seconds. | |----------------+-------------------------------------------| | S101=3 | Modem attempts to connect in answer mode | | | immediately after carrier is lost, then | | | pauses 20 seconds before retrying. | |----------------+-------------------------------------------| | S101=4 | Modem attempts to connect in originate | | | mode immediately after carrier is lost, | | | then pauses 20 seconds before retrying. | +------------------------------------------------------------+ +------------------------------------------------------------+ | BITS PER CHANNEL - TRANSMIT | |------------------------------------------------------------| | Type: | Read-only | |--------------+---------------------------------------------| | Format: | AT [cmds] S71? [cmds] | |--------------+---------------------------------------------| | Description: | Displays the number of bits assigned to | | | each of the 511 transmit channels of a PEP | | | mode connection. | +------------------------------------------------------------+ +------------------------------------------------------------+ | BITS PER CHANNEL - RECEIVE | |------------------------------------------------------------| | Type: | Read-only | |--------------+---------------------------------------------| | Format: | AT [cmds] S73? [cmds] | |--------------+---------------------------------------------| | Description: | Displays the number of bits assigned to | | | each of the 511 receive channels of a PEP | | | mode connection. | +------------------------------------------------------------+ +------------------------------------------------------------+ | BREAK LENGTH | |------------------------------------------------------------| | Type: | Register | |--------------+---------------------------------------------| | Format: | AT [cmds] S62=n [cmds] | |--------------+---------------------------------------------| | Default: | 3 | |--------------+---------------------------------------------| | Range: | 0 - 255 | |--------------+---------------------------------------------| | Unit: | 50 mS | |--------------+---------------------------------------------| | Description: | Sets the length of transmitted break | | | signals. | +------------------------------------------------------------+ +------------------------------------------------------------+ | BREAK TYPE | |------------------------------------------------------------| | Type: | Register | |--------------------+---------------------------------------| | Format: | AT [cmds] S54=n [cmds] | |--------------------+---------------------------------------| | Description: | Configures the modem's reaction to a | | | break signal. | |------------------------------------------------------------| | Command | Break from | Break from DTE | Break received | | | DTE in | in PEP mode | from remote | | | non-PEP mode | | modem | |-----------+--------------+----------------+----------------| | i S54=0 | Online | Online command | Buffers | | | command mode | mode enabled, | cleared, break | | | enabled, | break not sent | sent to DTE. | | | break not | to remote | | | | sent to | modem. | | | | remote | | | | | modem. | | | |-----------+--------------+----------------+----------------| | S54=1 | Break sent | Break sent to | Buffers | | | to remote | remote modem | cleared, break | | | modem. | and buffers | sent to DTE. | | | | cleared. | | |-----------+--------------+----------------+----------------| | S54=2 | Break sent | Break sent to | Buffers | | | to remote | remote modem | cleared, break | | | modem. | immediately. | sent to DTE. | |-----------+--------------+----------------+----------------| | S54=3 | Break sent | Modem sends | Buffers | | | to remote | break in | cleared, break | | | modem. | sequence when | sent to DTE. | | | | in data mode, | | | | | and | | | | | immediately | | | | | when in | | | | | command mode. | | |-----------+--------------+----------------+----------------| | S54=4 | Break signal | Break signal | Buffers | | | ignored. | ignored. | cleared, break | | | | | sent to DTE. | +------------------------------------------------------------+ +------------------------------------------------------------+ | COMMAND SET DISABLE | |------------------------------------------------------------| | Type: | Immediate | |--------------+---------------------------------------------| | Format: | AT [cmds] &B | |--------------+---------------------------------------------| | Description: | Disables the command set for local | | | commands. | +------------------------------------------------------------+ +------------------------------------------------------------+ | COMPRESSION | |------------------------------------------------------------| | Type: | Register | |--------------+---------------------------------------------| | Format: | AT [cmds] S110=n [cmds] | |--------------+---------------------------------------------| | Description: | Selects whether the modem will use data | | | compression when connected in PEP mode. | |------------------------------------------------------------| | Command | Function | |---------------+--------------------------------------------| | S110=0 | Compression disabled. | |---------------+--------------------------------------------| | S110=1 | Compression enabled if remote modem has | | | compression enabled. | |---------------+--------------------------------------------| | i S110=255 | Compression enabled if remote modem has | | | S110 set to 1. | +------------------------------------------------------------+ +------------------------------------------------------------+ | CONNECT MODE | |------------------------------------------------------------| | Type: | Register | |--------------+---------------------------------------------| | Format: | AT [cmds] S95=n [cmds] | |--------------+---------------------------------------------| | Description: | Selects the type of non-PEP MNP mode | | | connection that the modem will attempt to | | | make. | |------------------------------------------------------------| | Command | Function | |------------------+-----------------------------------------| | i S95=0 | Normal mode connection only. | |------------------+-----------------------------------------| | S95=1 | MNP reliable mode connection only. | |------------------+-----------------------------------------| | S95=2 | MNP auto-reliable mode connection. | +------------------------------------------------------------+ +------------------------------------------------------------+ | CTS SIGNAL | |------------------------------------------------------------| | Type: | Register | |--------------+---------------------------------------------| | Format: | AT [cmds] S67=n [cmds] | |--------------+---------------------------------------------| | Description: | Controls the behaviour of the CTS signal. | |------------------------------------------------------------| | Command | Function | |---------------+--------------------------------------------| | i S67=0 | CTS is forced high. | |---------------+--------------------------------------------| | S67=1 | CTS forced high 200 mS after RTS and CD go | | | high. If RTS or CD is low, CTS is forced | | | low. | +------------------------------------------------------------+ +------------------------------------------------------------+ | CURRENT RECEIVE RATE | |------------------------------------------------------------| | Type: | Read-only | |--------------+---------------------------------------------| | Format: | AT [cmds] S72? [cmds] | |--------------+---------------------------------------------| | Description: | Displays the number of bits per second that | | | the data line is carrying from the remote | | | modem at that moment. | |--------------+---------------------------------------------| | Note: | This command is only valid in PEP mode. | +------------------------------------------------------------+ +------------------------------------------------------------+ | CURRENT TRANSMISSION RATE | |------------------------------------------------------------| | Type: | Read-only | |--------------+---------------------------------------------| | Format: | AT [cmds] S70? [cmds] | |--------------+---------------------------------------------| | Description: | Displays the number of bits per second that | | | the data line is carrying to the remote | | | modem at that moment. | |--------------+---------------------------------------------| | Note: | This command is only valid in PEP mode. | +------------------------------------------------------------+ +------------------------------------------------------------+ | DATA FORMAT | |------------------------------------------------------------| | Type: | Register | |--------------+---------------------------------------------| | Format: | AT [cmds] S60=n [cmds] | |--------------+---------------------------------------------| | Description: | Sets the format for the modem-to-DTE serial | | | interface. | |------------------------------------------------------------| | Command | Function | |----------------+-------------------------------------------| | i S60=0 | Use 8 data bits, no parity, and 1 stop | | | bit. | |----------------+-------------------------------------------| | S60=1 | Use 8 data bits, odd parity, and 1 stop | | | bit. | |----------------+-------------------------------------------| | S60=2 | Use 8 data bits, even parity, and 1 stop | | | bit. | |----------------+-------------------------------------------| | S60=3 | Use 8 data bits, no parity, and 2 stop | | | bits. | |----------------+-------------------------------------------| | S60=4 | Use 8 data bits, odd parity, and 2 stop | | | bits. | |----------------+-------------------------------------------| | S60=5 | Use 8 data bits, even parity, and 2 stop | | | bits. | |----------------+-------------------------------------------| | S60=6 | Use 7 data bits, no parity, and 1 stop | | | bit. | |----------------+-------------------------------------------| | S60=7 | Use 7 data bits, odd parity, and 1 stop | | | bit. | |----------------+-------------------------------------------| | S60=8 | Use 7 data bits, even parity, and 1 stop | | | bit. | |----------------+-------------------------------------------| | S60=9 | Use 7 data bits, no parity, and 2 stop | | | bits. | |----------------+-------------------------------------------| | S60=10 | Use 7 data bits, odd parity, and 2 stop | | | bits. | |----------------+-------------------------------------------| | S60=11 | Use 7 data bits, even parity, and 2 stop | | | bits. | |----------------+-------------------------------------------| | S60=12 | Use 6 data bits, no parity, and 1 stop | | | bit. | |----------------+-------------------------------------------| | S60=13 | Use 6 data bits, odd parity, and 1 stop | | | bit. | |----------------+-------------------------------------------| | S60=14 | Use 6 data bits, even parity, and 1 stop | | | bit. | |----------------+-------------------------------------------| | S60=15 | Use 6 data bits, no parity, and 2 stop | | | bits. | |----------------+-------------------------------------------| | S60=16 | Use 6 data bits, odd parity, and 2 stop | | | bits. | |----------------+-------------------------------------------| | S60=17 | Use 6 data bits, even parity, and 2 stop | | | bits. | |----------------+-------------------------------------------| | S60=18 | Use 5 data bits, no parity, and 1 stop | | | bit. | |----------------+-------------------------------------------| | S60=19 | Use 5 data bits, odd parity, and 1 stop | | | bit. | |----------------+-------------------------------------------| | S60=20 | Use 5 data bits, even parity, and 1 stop | | | bit. | |----------------+-------------------------------------------| | S60=21 | Use 5 data bits, no parity, and 2 stop | | | bits. | |----------------+-------------------------------------------| | S60=22 | Use 5 data bits, odd parity, and 2 stop | | | bits. | |----------------+-------------------------------------------| | S60=23 | Use 5 data bits, even parity, and 2 stop | | | bits. | +------------------------------------------------------------+ +------------------------------------------------------------+ | DCD AND DSR SIGNALS | |------------------------------------------------------------| | Type: | Register | |--------------+---------------------------------------------| | Format: | AT [cmds] S53=n [cmds] | |--------------+---------------------------------------------| | Description: | Controls the behaviour of the DSR and CD | | | signals. | |------------------------------------------------------------| | Command | Function | |---------------+--------------------------------------------| | S53=0 | DSR forced high when modem is idle, CD | | | forced high. | |---------------+--------------------------------------------| | i S53=1 | DSR forced high when modem is idle, CD is | | | normal. | |---------------+--------------------------------------------| | S53=2 | DSR follows CD, CD normal. | |---------------+--------------------------------------------| | S53=3 | DSR and CD normal. | |---------------+--------------------------------------------| | S53=4 | DSR forced high when idle and forced low | | | on disconnect, CD normal. | +------------------------------------------------------------+ +------------------------------------------------------------+ | DIAL | |------------------------------------------------------------| | Type: | Immediate | |--------------+---------------------------------------------| | Format: | AT [cmds] D<#> [cmds] | |--------------+---------------------------------------------| | Description: | Dials the telephone number indicated | | | according to any modifiers included in the | | | string. | |--------------+---------------------------------------------| | Note: | Any combination of modifiers can be used to | | | produce the desired dial functions in | | | sequence. | |--------------+---------------------------------------------| | Command | Function | |--------------+---------------------------------------------| | DP | Pulse dialing enabled. | |--------------+---------------------------------------------| | DR | Answer mode enabled; originate mode | | | disabled following handshake initiation. | |--------------+---------------------------------------------| | DNn | Dial stored telephone number n. | |--------------+---------------------------------------------| | DT | Tone dialing enabled. | |--------------+---------------------------------------------| | DW | Dialing resumed following dial tone | | | detection. | |--------------+---------------------------------------------| | D, | Dialing paused for amount of time specified | | | in S8 register. | |--------------+---------------------------------------------| | D! | Flash function initiated. Modem commanded | | | to go off-hook for specified time before | | | returning on-hook. | |--------------+---------------------------------------------| | D; | Modem returned to idle state after dialing. | | | The semicolon can only be placed at the end | | | of the dial command. | |--------------+---------------------------------------------| | D\x\ | Dials the stored telephone number with | | | description x. | +------------------------------------------------------------+ +------------------------------------------------------------+ | DIAL INTERRUPT | |------------------------------------------------------------| | Type: | Register | |--------------+---------------------------------------------| | Format: | AT [cmds] S64=n [cmds] | |--------------+---------------------------------------------| | Description: | Selects whether the modem will abort a | | | dial, answer, or connect sequence if | | | characters are received from the DTE. | |------------------------------------------------------------| | Command | Function | |-----------------------+------------------------------------| | i S64=0 | Sequence aborted. | |-----------------------+------------------------------------| | S64=1 | Sequence not aborted. | +------------------------------------------------------------+ +------------------------------------------------------------+ | DISPLAY CONFIGURATION | |------------------------------------------------------------| | Type: | Immediate | |--------------+---------------------------------------------| | Format: | AT [cmds] &Nn [cmds] | |--------------+---------------------------------------------| | Description: | Displays the configuration stored in | | | non-volatile RAM. | +------------------------------------------------------------+ +------------------------------------------------------------+ | DSR DELAY ON DISCONNECT | |------------------------------------------------------------| | Type: | Register | |--------------+---------------------------------------------| | Format: | AT [cmds] S47=n [cmds] | |--------------+---------------------------------------------| | Default: | 4 | |--------------+---------------------------------------------| | Range: | 0 - 255 | |--------------+---------------------------------------------| | Unit: | 50 mS | |--------------+---------------------------------------------| | Description: | Sets the time that DSR is forced low after | | | disconnect. | +------------------------------------------------------------+ +------------------------------------------------------------+ | DTR DIALING | |------------------------------------------------------------| | Type: | Register | |--------------+---------------------------------------------| | Format: | AT [cmds] S104=n [cmds] | |--------------+---------------------------------------------| | Description: | Selects whether the modem will auto-dial | | | the first stored number on DTR signal | | | changes. | |------------------------------------------------------------| | Command | Function | |---------------+--------------------------------------------| | i S104=0 | DTR dialing disabled. | |---------------+--------------------------------------------| | S104=1 | Modem auto-dials first stored number on | | | low-to-high DTR change. | |---------------+--------------------------------------------| | S104=2 | Automatically dial first stored number | | | whenever no call is connected and DTR | | | signal is high. | +------------------------------------------------------------+ +------------------------------------------------------------+ | DTR SIGNAL | |------------------------------------------------------------| | Type: | Register | |--------------+---------------------------------------------| | Format: | AT [cmds] S52=n [cmds] | |--------------+---------------------------------------------| | Description: | Controls the modem's response to the DTR | | | signal. | |------------------------------------------------------------| | Command | Function | |------------------+-----------------------------------------| | S52=0 | Modem assumes DTR is forced high. | |------------------+-----------------------------------------| | i S52=1 | Modem goes idle on low DTR. | |------------------+-----------------------------------------| | S52=2 | Modem is reset on low DTR. | +------------------------------------------------------------+ +------------------------------------------------------------+ | ECHO SUPPRESSOR COMPENSATION | |------------------------------------------------------------| | Type: | Register | |--------------+---------------------------------------------| | Format: | AT [cmds] S121=n [cmds] | |--------------+---------------------------------------------| | Description: | Selects whether the modem will compensate | | | for echo suppressors. | |--------------+---------------------------------------------| | Note: | Enabling the echo suppressor compensator | | | reduces throughput by about five percent. | |------------------------------------------------------------| | Command | Function | |-----------------+------------------------------------------| | i S121=0 | Echo suppressor compensator disabled. | |-----------------+------------------------------------------| | S121=1 | Echo suppressor compensator enabled. | +------------------------------------------------------------+ +------------------------------------------------------------+ | EIGHTH BIT FILTER | |------------------------------------------------------------| | Type: | Register | |--------------+---------------------------------------------| | Format: | AT [cmds] S48=n [cmds] | |--------------+---------------------------------------------| | Description: | Selects whether the high bit of a character | | | is cleared before detection of XON, XOFF | | | and escape characters. | |------------------------------------------------------------| | Command | Function | |-----------------------+------------------------------------| | i S48=0 | Eighth bit is cleared. | |-----------------------+------------------------------------| | S48=1 | Eighth bit is not cleared. | +------------------------------------------------------------+ +------------------------------------------------------------+ | ESCAPE SEQUENCE RESPONSE | |------------------------------------------------------------| | Type: | Register | |--------------+---------------------------------------------| | Format: | AT [cmds] S55=n [cmds] | |--------------+---------------------------------------------| | Description: | Configures the modem's reaction to an | | | escape sequence. | |------------------------------------------------------------| | Command | Function | |---------------+--------------------------------------------| | i S55=0 | Modem returns to command mode after set | | | guard time has passed and escape | | | characters sent to remote modem. | |---------------+--------------------------------------------| | S55=1 | Buffers are cleared and escape characters | | | sent to remote modem. | |---------------+--------------------------------------------| | S55=2 | Escape characters sent to remote modem | | | immediately. | |---------------+--------------------------------------------| | S55=3 | Escape characters sent with transmitted | | | data. | +------------------------------------------------------------+ +------------------------------------------------------------+ | FLOW CONTROL CHARACTER - XOFF | |------------------------------------------------------------| | Type: | Register | |--------------+---------------------------------------------| | Format: | AT [cmds] S57=n [cmds] | |--------------+---------------------------------------------| | Default: | 19 | |--------------+---------------------------------------------| | Range: | 0 - 255 | |--------------+---------------------------------------------| | Unit: | ASCII | |--------------+---------------------------------------------| | Description: | Sets the character used to represent the | | | XOFF character. | +------------------------------------------------------------+ +------------------------------------------------------------+ | FLOW CONTROL CHARACTER - XON | |------------------------------------------------------------| | Type: | Register | |--------------+---------------------------------------------| | Format: | AT [cmds] S56=n [cmds] | |--------------+---------------------------------------------| | Default: | 17 | |--------------+---------------------------------------------| | Range: | 0 - 255 | |--------------+---------------------------------------------| | Unit: | ASCII | |--------------+---------------------------------------------| | Description: | Sets the character used to represent the | | | XON character. | +------------------------------------------------------------+ +------------------------------------------------------------+ | FLOW CONTROL TYPE - DCE | |------------------------------------------------------------| | Type: | Register | |--------------+---------------------------------------------| | Format: | AT [cmds] S68=n [cmds] | |--------------+---------------------------------------------| | Description: | Sets type of flow control used by the | | | modem. | |--------------+---------------------------------------------| | Command | Function | |--------------+---------------------------------------------| | S68=0 | Flow control disabled. | |--------------+---------------------------------------------| | S68=2 | Unidirectional RTS flow control enabled. | |--------------+---------------------------------------------| | i S68=3 | Bidirectional XON/XOFF flow control | | | enabled. | |--------------+---------------------------------------------| | S68=4 | Bidirectional XON/XOFF and RTS/CTS enabled. | |--------------+---------------------------------------------| | S68=5 | Bidirectional ENQ/ACK flow control enabled. | |--------------+---------------------------------------------| | S68=6 | Bidirectional XON/XOFF and ENQ/ACK flow | | | control enabled. | |--------------+---------------------------------------------| | S68=255 | Flow control specified in S58 is used. If | | | S58 is set to 1, then DCE flow control is | | | disabled. | +------------------------------------------------------------+ +------------------------------------------------------------+ | FLOW CONTROL TYPE - DTE | |------------------------------------------------------------| | Type: | Register | |--------------+---------------------------------------------| | Format: | AT [cmds] S58=n [cmds] | |--------------+---------------------------------------------| | Description: | Sets type of flow control used by the DTE. | |--------------+---------------------------------------------| | Command | Function | |--------------+---------------------------------------------| | S58=0 | Flow control disabled. | |--------------+---------------------------------------------| | S58=1 | Bidirectional RTS/CTS flow control enabled. | |--------------+---------------------------------------------| | S58=2 | Unidirectional RTS flow control enabled. | |--------------+---------------------------------------------| | i S58=3 | Bidirectional XON/XOFF flow control | | | enabled. | |--------------+---------------------------------------------| | S58=4 | Bidirectional XON/XOFF and RTS/CTS enabled. | |--------------+---------------------------------------------| | S58=5 | Bidirectional ENQ/ACK flow control enabled. | |--------------+---------------------------------------------| | S58=6 | Bidirectional XON/XOFF and ENQ/ACK flow | | | control enabled. | +------------------------------------------------------------+ +------------------------------------------------------------+ | FREQUENCY OFFSET | |------------------------------------------------------------| | Type: | Read-only | |--------------+---------------------------------------------| | Format: | AT [cmds] S77? [cmds] | |--------------+---------------------------------------------| | Description: | Displays the frequency offset for the | | | current connection. | +------------------------------------------------------------+ +------------------------------------------------------------+ | GUARD TONE | |------------------------------------------------------------| | Type: | Register | |--------------+---------------------------------------------| | Format: | AT [cmds] S91=n [cmds] | |--------------+---------------------------------------------| | Description: | Commands the modem to transmit a guard tone | | | in V.22/V.22bis mode. | |--------------+---------------------------------------------| | Command | Function | |--------------+---------------------------------------------| | i S91=0 | Guard tone disabled. | |--------------+---------------------------------------------| | S91=1 | 1800Hz guard tone enabled. | |--------------+---------------------------------------------| | S91=2 | 550Hz guard tone enabled. | +------------------------------------------------------------+ +------------------------------------------------------------+ | KERMIT MARK CHARACTER | |------------------------------------------------------------| | Type: | Register | |--------------+---------------------------------------------| | Format: | AT [cmds] S112=n [cmds] | |--------------+---------------------------------------------| | Default: | 1 | |--------------+---------------------------------------------| | Range: | 0 - 127 | |--------------+---------------------------------------------| | Unit: | 1 ASCII character | |--------------+---------------------------------------------| | Description: | Sets the character that will be used as the | | | beginning of packet marker when in Kermit | | | protocol mode. | +------------------------------------------------------------+ +------------------------------------------------------------+ | LINE NOISE | |------------------------------------------------------------| | Type: | Read-only | |--------------+---------------------------------------------| | Format: | AT [cmds] S76? [cmds] | |--------------+---------------------------------------------| | Description: | Displays the line noise level for each of | | | the 511 channels of a PEP mode connection. | +------------------------------------------------------------+ +------------------------------------------------------------+ | LINE QUALITY | |------------------------------------------------------------| | Type: | Read-only | |--------------+---------------------------------------------| | Format: | AT [cmds] S78? [cmds] | |--------------+---------------------------------------------| | Description: | Displays the line quality of the current | | | connection. | |--------------+---------------------------------------------| | Note: | This command is not valid in PEP mode. | +------------------------------------------------------------+ +------------------------------------------------------------+ | LOCAL SERIAL PORT SPEED | |------------------------------------------------------------| | Type: | Register | |--------------+---------------------------------------------| | Format: | AT [cmds] S51=n [cmds] | |--------------+---------------------------------------------| | Description: | Selects the speed at which the modem | | | communicates with the host computer. | |------------------------------------------------------------| | Command | Function | |---------------+--------------------------------------------| | S51=0 | Set speed to 300bps. | |---------------+--------------------------------------------| | S51=1 | Set speed to 1200bps. | |---------------+--------------------------------------------| | S51=2 | Set speed to 2400bps. | |---------------+--------------------------------------------| | S51=3 | Set speed to 4800bps. | |---------------+--------------------------------------------| | i S51=4 | Set speed to 9600bps. | |---------------+--------------------------------------------| | S51=5 | Set speed to 19.2Kbps. | |---------------+--------------------------------------------| | S51=255 | Auto-detect speed from received "A" or "a" | | | character. | +------------------------------------------------------------+ +------------------------------------------------------------+ | LOCK SERIAL PORT | |------------------------------------------------------------| | Type: | Register | |--------------+---------------------------------------------| | Format: | AT [cmds] S66=n [cmds] | |--------------+---------------------------------------------| | Description: | Sets operation of serial port speed. | |--------------+---------------------------------------------| | Command | Function | |--------------+---------------------------------------------| | i S66=0 | Serial speed follows connect speed. | |--------------+---------------------------------------------| | S66=1 | Serial speed locked. | +------------------------------------------------------------+ +------------------------------------------------------------+ | PACKETS ACCEPTED | |------------------------------------------------------------| | Type: | Read-only | |--------------+---------------------------------------------| | Format: | AT [cmds] S75? [cmds] | |--------------+---------------------------------------------| | Description: | Displays the number of packets that the | | | modem has accepted without errors. | |--------------+---------------------------------------------| | Note: | This command is only valid in PEP mode. | +------------------------------------------------------------+ +------------------------------------------------------------+ | PACKETS RETRANSMITTED | |------------------------------------------------------------| | Type: | Read-only | |--------------+---------------------------------------------| | Format: | AT [cmds] S74? [cmds] | |--------------+---------------------------------------------| | Description: | Displays the number of packets that the | | | modem has requested a retransmit for due to | | | errors. | |--------------+---------------------------------------------| | Note: | This command is only valid in PEP mode. | +------------------------------------------------------------+ +------------------------------------------------------------+ | PEP NEGOTIATION TONES | |------------------------------------------------------------| | Type: | Register | |--------------+---------------------------------------------| | Format: | AT [cmds] S92=n [cmds] | |--------------+---------------------------------------------| | Description: | Selects when in the protocol negotiation | | | sequence the PEP tones are sent. | |------------------------------------------------------------| | Command | Function | |---------------+--------------------------------------------| | i S92=0 | Send PEP tones at beginning of negotiation | | | sequence. | |---------------+--------------------------------------------| | S92=1 | Send PEP tones at end of negotiation | | | sequence. | +------------------------------------------------------------+ +------------------------------------------------------------+ | PRODUCT ID NUMBER | |------------------------------------------------------------| | Type: | Register | |--------------+---------------------------------------------| | Format: | AT [cmds] S49=n [cmds] | |--------------+---------------------------------------------| | Description: | Selects what the modem will report as its | | | product ID number. | |------------------------------------------------------------| | Command | Function | |-----------------+------------------------------------------| | i S49=0 | Modem reports normal ID number. | |-----------------+------------------------------------------| | S49=1 | Modem reports 123 as its ID number. | +------------------------------------------------------------+ +------------------------------------------------------------+ | PROMPT CHARACTER | |------------------------------------------------------------| | Type: | Register | |--------------+---------------------------------------------| | Format: | AT [cmds] S59=n [cmds] | |--------------+---------------------------------------------| | Default: | 0 | |--------------+---------------------------------------------| | Range: | 0 - 255 | |--------------+---------------------------------------------| | Unit: | 1 ASCII character | |--------------+---------------------------------------------| | Description: | Sets what character will be used as a | | | prompt when in command mode. If S59 is set | | | to 0 then no prompt will be given. | +------------------------------------------------------------+ +------------------------------------------------------------+ | PROTOCOL SELECTION | |------------------------------------------------------------| | Type: | Register | |--------------+---------------------------------------------| | Format: | AT [cmds] S90=n [cmds] | |--------------+---------------------------------------------| | Description: | Selects which protocol will be used when | | | making 1200bps connections. | |------------------------------------------------------------| | Command | Function | |----------------------------+-------------------------------| | i S90=0 | Use Bell 212A. | |----------------------------+-------------------------------| | S90=1 | Use V.22. | +------------------------------------------------------------+ +------------------------------------------------------------+ | PROTOCOL/SPEED | |------------------------------------------------------------| | Type: | Register | |--------------+---------------------------------------------| | Format: | AT [cmds] S50=n [cmds] | |--------------+---------------------------------------------| | Description: | Selects the protocol used for | | | communications. | |------------------------------------------------------------| | Command | Function | |-----------------+------------------------------------------| | i S50=0 | Auto-detect fastest common protocol. | |-----------------+------------------------------------------| | S50=1 | Use Bell 103. | |-----------------+------------------------------------------| | S50=2 | Use Bell 212A or V.22. | |-----------------+------------------------------------------| | S50=3 | Use V.22bis. | |-----------------+------------------------------------------| | S50=255 | Use PEP. | +------------------------------------------------------------+ +------------------------------------------------------------+ | REMOTE CONFIGURATION | |------------------------------------------------------------| | Type: | Immediate | |--------------+---------------------------------------------| | Format: | AT [cmds] %cmds | |--------------+---------------------------------------------| | Description: | Attempts to execute the command string | | | following the percent sign on the remote | | | modem. If remote configuration is disabled, | | | the modem will give no response; otherwise, | | | it will respond OK. | +------------------------------------------------------------+ +------------------------------------------------------------+ | REMOTE CONFIGURATION ENABLE | |------------------------------------------------------------| | Type: | Register | |--------------+---------------------------------------------| | Format: | AT [cmds] S45=n [cmds] | |--------------+---------------------------------------------| | Description: | Selects whether the modem will respond to | | | remote configuration commands. | |------------------------------------------------------------| | Command | Function | |--------------------+---------------------------------------| | i S45=0 | Remote configuration disabled. | |--------------------+---------------------------------------| | S45=255 | Remote configuration enabled. | +------------------------------------------------------------+ +------------------------------------------------------------+ | REPORT INFORMATION | |------------------------------------------------------------| | Type: | Immediate | |--------------+---------------------------------------------| | Format: | AT [cmds] In [cmds] | |--------------+---------------------------------------------| | Description: | Displays information requested. | |--------------+---------------------------------------------| | Command | Function | |--------------+---------------------------------------------| | I0 | Reports modem model and revision. | |--------------+---------------------------------------------| | I1 | Reports error code for the last executed | | | test. | |--------------+---------------------------------------------| | I2 | Reports the current connect mode. | |--------------+---------------------------------------------| | I3 | Reports firmware revision. | |--------------+---------------------------------------------| | I4 | Reports current connection statistics. | +------------------------------------------------------------+ +------------------------------------------------------------+ | RESULT CODES | |------------------------------------------------------------| | Type: | Configuration | |--------------+---------------------------------------------| | Format: | AT [cmds] Qn [cmds] | |--------------+---------------------------------------------| | Description: | Selects when result codes will be reported. | |------------------------------------------------------------| | Command | Function | |---------------+--------------------------------------------| | i Q0 | All result codes will be reported. | |---------------+--------------------------------------------| | Q1 | Only remote result codes will be reported. | |---------------+--------------------------------------------| | Q2 | Only local result codes will be reported. | |---------------+--------------------------------------------| | Q3 | No result codes will be reported. | |---------------+--------------------------------------------| | Q4 | All remote result codes will be reported; | | | local result codes will only be reported | | | if an ATD or ATA command was entered. | |---------------+--------------------------------------------| | Q5 | Local result codes will only be reported | | | if an ATD or ATA command was entered. | |---------------+--------------------------------------------| | Q6 | All remote result codes will be reported; | | | local result codes will only be reported | | | if the local modem Is originating. | |---------------+--------------------------------------------| | Q7 | Local result codes will only be reported | | | if the local modem Is originating. | +------------------------------------------------------------+ +------------------------------------------------------------+ | RETRAIN | |------------------------------------------------------------| | Type: | Immediate | |--------------+---------------------------------------------| | Format: | AT [cmds] &Rn [cmds] | |--------------+---------------------------------------------| | Description: | Initiates a retrain or a re-negotiation of | | | features. | |------------------------------------------------------------| | Command | Function | |-------------------+----------------------------------------| | &R0 | Force retrain. | |-------------------+----------------------------------------| | &R1 | Force re-negotiation of features. | +------------------------------------------------------------+ +------------------------------------------------------------+ | SOFT RESET | |------------------------------------------------------------| | Type: | Immediate | |--------------+---------------------------------------------| | Format: | AT [cmds] &En [cmds] | |--------------+---------------------------------------------| | Description: | Restores modem profiles previously saved in | | | non-volatile RAM using the &W command. | +------------------------------------------------------------+ +------------------------------------------------------------+ | STORE TELEPHONE NUMBER | |------------------------------------------------------------| | Type: | Configuration | |--------------+---------------------------------------------| | Format: | AT [cmds] Nn=<#>\xxxx\ [cmds] | |--------------+---------------------------------------------| | Description: | Stores the indicated telephone number at | | | memory location n. The string xxxx between | | | the backslashes sets an optional name for | | | that stored number. | |--------------+---------------------------------------------| | Note: | If additional commands are to be given | | | after this command, the backslashes must be | | | used even if there is no string between | | | them. | +------------------------------------------------------------+ +------------------------------------------------------------+ | TRANSFER PROTOCOL SELECTION | |------------------------------------------------------------| | Type: | Register | |--------------+---------------------------------------------| | Format: | AT [cmds] S111=n [cmds] | |--------------+---------------------------------------------| | Description: | Selects which transfer protocol the should | | | use. | |------------------------------------------------------------| | Command | Function | |----------------+-------------------------------------------| | S111=0 | No protocol will be used. | |----------------+-------------------------------------------| | S111=10 | Kermit with no parity enabled. | |----------------+-------------------------------------------| | S111=11 | Kermit with odd parity enabled. | |----------------+-------------------------------------------| | S111=12 | Kermit with even parity enabled. | |----------------+-------------------------------------------| | S111=13 | Kermit with MARK parity enabled. | |----------------+-------------------------------------------| | S111=14 | Kermit with SPACE parity enabled. | |----------------+-------------------------------------------| | S111=20 | XModem and YModem enabled. | |----------------+-------------------------------------------| | S111=30 | UUCP G protocol enabled. | |----------------+-------------------------------------------| | i S111=255 | Use protocol specified by remote modem. | +------------------------------------------------------------+ +------------------------------------------------------------+ | VOICE MODE | |------------------------------------------------------------| | Type: | Immdeiate | |--------------+---------------------------------------------| | Format: | AT [cmds] G [cmds] | |--------------+---------------------------------------------| | Description: | Commands the modem to break the data | | | connection and go on-hook so that the line | | | may be used for voice mode. If the | | | telephone's handset is picked up, the call | | | will not be disconnected. | +------------------------------------------------------------+ +------------------------------------------------------------+ | XOFF REISSUE | |------------------------------------------------------------| | Type: | Register | |--------------+---------------------------------------------| | Format: | AT [cmds] S65=n [cmds] | |--------------+---------------------------------------------| | Description: | Selects whether the modem will reissue XOFF | | | characters if the DTE continues to transmit | | | after an XOFF. | |------------------------------------------------------------| | Command | Function | |----------------+-------------------------------------------| | i S65=0 | Modem will not reissue XOFF characters. | |----------------+-------------------------------------------| | S65=1 | Modem will reissue XOFF characters. | +------------------------------------------------------------+