ASPEN TECHNOLOGIES, INC. ======================== 28IDSSA, 28ISSA Card Type Modem (asynchronous) Chipset Sierra I/O Options Microphone in, speaker out, voice Maximum Data Rate 28.8Kbps Maximum Fax Rate 14.4Kbps Data Modulation Bell 103A, 212A ITU-T V.21, V.22, V.22bis, V.32, V.32bis, V.34 Fax Modulation Unidentified Error MNP5, V.42, V.42bis Correction/Compression Fax Class Class I & II Data Bus 16-bit ISA Card Size Full height, half length +------------------------------------------------------------+ | CONNECTIONS | |------------------------------------------------------------| | Function | Label | Function | Label | |-------------------+---------+---------------------+--------| | Telephone line | CN1 | Microphone in or | CN3 | | | | speaker out | | |-------------------+---------+---------------------+--------| | Telephone line | CN2 | Microphone in or | CN4 | | | | speaker out | | |------------------------------------------------------------| | Note: It is not identified which of CN3 and CN4 is | | the microphone in jack and which is the speaker out | | jack. | +------------------------------------------------------------+ +------------------------------------------------------------+ | USER CONFIGURABLE SETTINGS | |------------------------------------------------------------| | Setting | Label | Position | |----------------------------------------+-------+-----------| | Audio volume set to high setting | JP4 | Closed | |----------------------------------------+-------+-----------| | Audio volume set to low setting | JP4 | Open | |----------------------------------------+-------+-----------| | Audio jacks are stereo | JP5 | Closed | |----------------------------------------+-------+-----------| | Audio jacks are monaural | JP5 | Open | +------------------------------------------------------------+ +------------------------------------------------------------+ | SUPPORTED STANDARD COMMANDS | |------------------------------------------------------------| | Basic AT Commands | |------------------------------------------------------------| | +++, 'comma', A/ | |------------------------------------------------------------| | A, D, E, H, L, M, O, P, Q, T, V, X, Y, Z | |------------------------------------------------------------| | &C, &D, &F, &T, &V, &W, &Y, &Z | |------------------------------------------------------------| | Extended AT Commands | |------------------------------------------------------------| | \Q | |------------------------------------------------------------| | %A, %C, %Q | |------------------------------------------------------------| | S-Registers | |------------------------------------------------------------| | S0, S1, S2, S3, S4, S5, S6, S7, S8, S9, S10, S12, S18, | | S25, S26, S38 | |------------------------------------------------------------| | Note: See MHI help file for complete information. | +------------------------------------------------------------+ +------------------------------------------------------------+ | UNIDENTIFIED COMMANDS | |------------------------------------------------------------| | Command | Default | |----------------------------+-------------------------------| | S40 | Unidentified | |----------------------------+-------------------------------| | S41 | Unidentified | +------------------------------------------------------------+ Proprietary AT Command Set +------------------------------------------------------------+ | ANSWER MODE | |------------------------------------------------------------| | Type: | Configuration | |--------------+---------------------------------------------| | Format: | AT [cmds] %On [cmds] | |--------------+---------------------------------------------| | Description: | Selects when the modem will be in answer | | | mode. | |--------------+---------------------------------------------| | Command | Function | |--------------+---------------------------------------------| | %O0 | Modem automatically enters answer mode when | | | line rings. | |--------------+---------------------------------------------| | %O1 | Modem is always in answer mode. | |--------------+---------------------------------------------| | %O2 | Modem auto-answers calls in originate mode. | +------------------------------------------------------------+ +------------------------------------------------------------+ | AUTO-FALLBACK/FALL-FORWARD | |------------------------------------------------------------| | Type: | Configuration | |--------------+---------------------------------------------| | Format: | AT [cmds] &An [cmds] | |--------------+---------------------------------------------| | Description: | Controls auto-fallback/fall-forward mode. | |--------------+---------------------------------------------| | Command | Function | |--------------+---------------------------------------------| | &A0 | Auto-fallback/fall-forward disabled. | |--------------+---------------------------------------------| | &A1 | Auto-fallback/fall-forward enabled. | +------------------------------------------------------------+ +------------------------------------------------------------+ | AUTO-RELIABLE TIME BUFFER CONFIGURATION | |------------------------------------------------------------| | Type: | Configuration | |--------------+---------------------------------------------| | Format: | AT [cmds] \Cn [cmds] | |--------------+---------------------------------------------| | Description: | Controls the handling of incoming data | | | during the auto-reliable negotiation time | | | period. | |--------------+---------------------------------------------| | Command | Function | |--------------+---------------------------------------------| | \C0 | Data is discarded. | |--------------+---------------------------------------------| | \C1 | Data is buffered for 4 seconds or 200 | | | characters. | |--------------+---------------------------------------------| | i \C2 | Data is discarded; modem returns to normal | | | mode on receiving auto-reliable fallback | | | character. | |--------------+---------------------------------------------| | \C3 | Data is buffered for 4 seconds or 200 | | | characters. Modem uses V.14 to fall back to | | | normal mode. | |--------------+---------------------------------------------| | \C4 | Data is discarded; modem returns to normal | | | mode on receiving auto-reliable fallback | | | character. Modem uses V.14 to fall back to | | | normal mode. | +------------------------------------------------------------+ +------------------------------------------------------------+ | BREAK TYPE | |------------------------------------------------------------| | Type: | Configuration | |--------------+---------------------------------------------| | Format: | AT [cmds] \Kn [cmds] | |--------------+---------------------------------------------| | Description: | Configures action of break signal. | |--------------+---------------------------------------------| | Command | Function | |--------------+---------------------------------------------| | \K0 | Break sent to remote modem immediately and | | | buffers cleared. | |--------------+---------------------------------------------| | \K1 | Break sent to remote modem immediately and | | | buffers not cleared. | |--------------+---------------------------------------------| | \K2 | Break sent with transmitted data. | |--------------+---------------------------------------------| | \K3 | Breaks ignored. | |--------------+---------------------------------------------| | \K4 | Break sent with transmitted data until no | | | break character is detected. | |--------------+---------------------------------------------| | \K5 | Break sent with transmitted data until no | | | break character is detected. | +------------------------------------------------------------+ +------------------------------------------------------------+ | CHARACTER ABORT | |------------------------------------------------------------| | Type: | Configuration | |--------------+---------------------------------------------| | Format: | AT [cmds] %Kn [cmds] | |--------------+---------------------------------------------| | Description: | Selects the character abort function. | |--------------+---------------------------------------------| | Command | Function | |--------------+---------------------------------------------| | %K0 | Character abort enabled with 2 second | | | delay. | |--------------+---------------------------------------------| | %K1 | Character abort disabled. | +------------------------------------------------------------+ +------------------------------------------------------------+ | CONNECT MODE | |------------------------------------------------------------| | Type: | Configuration | |--------------+---------------------------------------------| | Format: | AT [cmds] \Nn [cmds] | |--------------+---------------------------------------------| | Description: | Controls the type of connection the modem | | | will make. | |--------------+---------------------------------------------| | Command | Function | |--------------+---------------------------------------------| | \N0 | Normal mode enabled. | |--------------+---------------------------------------------| | \N1 | Direct mode enabled. | |--------------+---------------------------------------------| | \N2 | MNP reliable mode enabled. | |--------------+---------------------------------------------| | i \N3 | Auto-reliable mode or MNP auto-reliable | | | mode enabled. | |--------------+---------------------------------------------| | \N4 | V.42 reliable mode enabled. | |--------------+---------------------------------------------| | \N5 | V.42 auto-reliable mode or MNP | | | auto-reliable mode enabled. | |--------------+---------------------------------------------| | \N6 | V.13 half-duplex simulation mode enabled. | +------------------------------------------------------------+ +------------------------------------------------------------+ | DATA FORMAT | |------------------------------------------------------------| | Type: | Configuration | |--------------+---------------------------------------------| | Format: | AT [cmds] \Bn [cmds] | |--------------+---------------------------------------------| | Description: | Selects the data size and parity the modem | | | will use if no AT command is sent for it to | | | auto-detect. | |--------------+---------------------------------------------| | Command | Function | |--------------+---------------------------------------------| | \B0 | 6 data bits, no parity, 1 stop bit. | |--------------+---------------------------------------------| | \B1 | 7 data bits, no parity, 1 stop bit. | |--------------+---------------------------------------------| | \B2 | 7 data bits, 1 stop bit, parity type set by | | | \P command. | |--------------+---------------------------------------------| | \B3 | 8 data bits, no parity, 1 stop bit. | |--------------+---------------------------------------------| | \B4 | 7 data bits, 2 stop bits, parity type set | | | by \P command. | |--------------+---------------------------------------------| | \B5 | 8 data bits, 1 stop bit, parity type set by | | | \P command. | +------------------------------------------------------------+ +------------------------------------------------------------+ | DATA PARITY | |------------------------------------------------------------| | Type: | Configuration | |--------------+---------------------------------------------| | Format: | AT [cmds] \Pn [cmds] | |--------------+---------------------------------------------| | Description: | Selects the parity of the local serial port | | | data. | |--------------+---------------------------------------------| | Command | Function | |--------------+---------------------------------------------| | \P0 | Even parity selected. | |--------------+---------------------------------------------| | \P1 | SPACE parity selected. | |--------------+---------------------------------------------| | \P2 | Odd parity selected. | |--------------+---------------------------------------------| | \P3 | Mark parity selected. | |--------------+---------------------------------------------| | \P4 | Auto-detect parity from last entered AT | | | command. | +------------------------------------------------------------+ +------------------------------------------------------------+ | DISPLAY INFORMATION | |------------------------------------------------------------| | Type: | Immediate | |--------------+---------------------------------------------| | Format: | AT [cmds] In [cmds] | |--------------+---------------------------------------------| | Description: | Displays information requested about the | | | modem. | |--------------+---------------------------------------------| | Command | Function | |--------------+---------------------------------------------| | I0 | Displays product identification code. | |--------------+---------------------------------------------| | I3 | Displays firmware revision. | |--------------+---------------------------------------------| | I4 | Displays modem configuration. | +------------------------------------------------------------+ +------------------------------------------------------------+ | DSR SIGNAL | |------------------------------------------------------------| | Type: | Configuration | |--------------+---------------------------------------------| | Format: | AT [cmds] &Sn [cmds] | |--------------+---------------------------------------------| | Description: | Controls the behaviour of the DSR signal. | |--------------+---------------------------------------------| | Command | Function | |--------------+---------------------------------------------| | i &S0 | DSR forced high except at disconnect. | |--------------+---------------------------------------------| | &S1 | DSR normal. | |--------------+---------------------------------------------| | &S2 | DSR follows DCD. | |--------------+---------------------------------------------| | &S3 | DSR forced high. | +------------------------------------------------------------+ +------------------------------------------------------------+ | DSR SIGNAL - TEST MODE | |------------------------------------------------------------| | Type: | Configuration | |--------------+---------------------------------------------| | Format: | AT [cmds] %Dn [cmds] | |--------------+---------------------------------------------| | Description: | Controls the behaviour of the DSR signal | | | when the modem is in analog loopback test | | | mode. | |--------------+---------------------------------------------| | Command | Function | |--------------+---------------------------------------------| | %D0 | DSR forced high. | |--------------+---------------------------------------------| | i %D1 | DSR forced low. | +------------------------------------------------------------+ +------------------------------------------------------------+ | DTR DIALING | |------------------------------------------------------------| | Type: | Configuration | |--------------+---------------------------------------------| | Format: | AT [cmds] %Zn [cmds] | |--------------+---------------------------------------------| | Description: | Selects the the modem's reaction to the DTR | | | signal going high. | |--------------+---------------------------------------------| | Command | Function | |--------------+---------------------------------------------| | %Z0 | DTR dialing disabled. | |--------------+---------------------------------------------| | %Z1 | Modem will dial stored number. | |--------------+---------------------------------------------| | %Z2 | Modem will go off-hook and attempt to | | | connect. | +------------------------------------------------------------+ +------------------------------------------------------------+ | EXTENDED RESULT CODES | |------------------------------------------------------------| | Type: | Configuration | |--------------+---------------------------------------------| | Format: | AT [cmds] \Vn [cmds] | |--------------+---------------------------------------------| | Description: | Selects error correction and compression | | | extended result codes. | |--------------+---------------------------------------------| | Command | Function | |--------------+---------------------------------------------| | \V0 | Modem returns CONNECT message after | | | connecting and PROTOCOL: message after the | | | link is negotiated; modem returns DCE rate. | |--------------+---------------------------------------------| | \V1 | Modem returns CONNECT and PROTOCOL: | | | messages after the link is negotiated; | | | modem returns DTE rate. | |--------------+---------------------------------------------| | \V2 | Modem returns CONNECT /REL message after | | | the link is negotiated; modem returns DTE | | | rate. | |--------------+---------------------------------------------| | i \V3 | Error correction and compression extended | | | result codes disabled; modem returns DCE | | | rate for normal connections and DTE rate | | | for error correcting connections. | +------------------------------------------------------------+ +------------------------------------------------------------+ | FLOW CONTROL - MODEM TO MODEM | |------------------------------------------------------------| | Type: | Configuration | |--------------+---------------------------------------------| | Format: | AT [cmds] \Gn [cmds] | |--------------+---------------------------------------------| | Description: | Selects modem-to-modem flow control. | |--------------+---------------------------------------------| | Command | Function | |--------------+---------------------------------------------| | i \G0 | Flow control disabled. | |--------------+---------------------------------------------| | \G1 | Flow control enabled. | |--------------+---------------------------------------------| | \G2 | Flow control enabled on transmit only. | |--------------+---------------------------------------------| | \G3 | Pass-through flow control enabled. | +------------------------------------------------------------+ +------------------------------------------------------------+ | LOCAL SERIAL PORT SPEED | |------------------------------------------------------------| | Type: | Configuration | |--------------+---------------------------------------------| | Format: | AT [cmds] \Tn [cmds] | |--------------+---------------------------------------------| | Description: | Sets the speed of the local serial port. | |--------------+---------------------------------------------| | Command | Function | |--------------+---------------------------------------------| | \T0 | Auto-detect current serial port speed. | |--------------+---------------------------------------------| | i \T1 | Set speed to speed of last AT command. | |--------------+---------------------------------------------| | \T2 | Set speed to 300bps. | |--------------+---------------------------------------------| | \T3 | Set speed to 1200bps. | |--------------+---------------------------------------------| | \T4 | Set speed to 2400bps. | |--------------+---------------------------------------------| | \T5 | Set speed to 4800bps. | |--------------+---------------------------------------------| | \T6 | Set speed to 7200bps. | |--------------+---------------------------------------------| | \T7 | Set speed to 9600bps. | |--------------+---------------------------------------------| | \T8 | Set speed to 12Kbps. | |--------------+---------------------------------------------| | \T9 | Set speed to 14.4Kbps. | |--------------+---------------------------------------------| | \T10 | Set speed to 16.8Kbps. | |--------------+---------------------------------------------| | \T11 | Set speed to 19.2Kbps. | |--------------+---------------------------------------------| | \T12 | Set speed to 21.6Kbps. | |--------------+---------------------------------------------| | \T13 | Set speed to 24Kbps. | |--------------+---------------------------------------------| | \T14 | Set speed to 26.4Kbps. | |--------------+---------------------------------------------| | \T15 | Set speed to 28.8Kbps. | |--------------+---------------------------------------------| | \T16 | Set speed to 38.4Kbps. | |--------------+---------------------------------------------| | \T17 | Set speed to 57.6Kbps. | |--------------+---------------------------------------------| | \T18 | Set speed to 76.8Kbps. | |--------------+---------------------------------------------| | \T19 | Set speed to 115.2Kbps. | |--------------+---------------------------------------------| | \T20 | Set speed to 128Kbps. | +------------------------------------------------------------+ +------------------------------------------------------------+ | LOCAL SERIAL PORT SPEED - CONNECT MESSAGES | |------------------------------------------------------------| | Type: | Configuration | |--------------+---------------------------------------------| | Format: | AT [cmds] %Rn [cmds] | |--------------+---------------------------------------------| | Description: | Sets the speed at which the modem will send | | | CONNECT messages. | |--------------+---------------------------------------------| | Command | Function | |--------------+---------------------------------------------| | %R0 | Auto-detect current serial port speed. | |--------------+---------------------------------------------| | i %R1 | Send messages at speed of last AT command. | |--------------+---------------------------------------------| | %R2 | Send messages at 300bps. | |--------------+---------------------------------------------| | %R3 | Send messages at 1200bps. | |--------------+---------------------------------------------| | %R4 | Send messages at 2400bps. | |--------------+---------------------------------------------| | %R5 | Send messages at 4800bps. | |--------------+---------------------------------------------| | %R6 | Send messages at 7200bps. | |--------------+---------------------------------------------| | %R7 | Send messages at 9600bps. | |--------------+---------------------------------------------| | %R8 | Send messages at 12Kbps. | |--------------+---------------------------------------------| | %R9 | Send messages at 14.4Kbps. | |--------------+---------------------------------------------| | %R10 | Send messages at 16.8Kbps. | |--------------+---------------------------------------------| | %R11 | Send messages at 19.2Kbps. | |--------------+---------------------------------------------| | %R12 | Send messages at 21.6Kbps. | |--------------+---------------------------------------------| | %R13 | Send messages at 24Kbps. | |--------------+---------------------------------------------| | %R14 | Send messages at 26.4Kbps. | |--------------+---------------------------------------------| | %R15 | Send messages at 28.8Kbps. | |--------------+---------------------------------------------| | %R16 | Send messages at 38.4Kbps. | |--------------+---------------------------------------------| | %R17 | Send messages at 57.6Kbps. | |--------------+---------------------------------------------| | %R18 | Send messages at 76.8Kbps. | |--------------+---------------------------------------------| | %R19 | Send messages at 115.2Kbps. | |--------------+---------------------------------------------| | %R20 | Send messages at 128Kbps. | +------------------------------------------------------------+ +------------------------------------------------------------+ | OVERSPEED CORRECTION | |------------------------------------------------------------| | Type: | Configuration | |--------------+---------------------------------------------| | Format: | AT [cmds] \An [cmds] | |--------------+---------------------------------------------| | Description: | Selects the amount of overspeed correction | | | the modem will use. | |--------------+---------------------------------------------| | Command | Function | |--------------+---------------------------------------------| | i \A0 | Select 1.25% overspeed correction. | |--------------+---------------------------------------------| | \A1 | Select 2.5% overspeed correction. | +------------------------------------------------------------+ +------------------------------------------------------------+ | PROTOCOL/SPEED | |------------------------------------------------------------| | Type: | Configuration | |--------------+---------------------------------------------| | Format: | AT [cmds] &Hn [cmds] | |--------------+---------------------------------------------| | Description: | Selects the protocol and speed the modem | | | will attempt to connect at | |--------------+---------------------------------------------| | Command | Function | |--------------+---------------------------------------------| | &H0 | Auto-detect fastest common protocol. | |--------------+---------------------------------------------| | &H1 | Select V.34 only. | |--------------+---------------------------------------------| | &H2 | Select V.32bis or below. | |--------------+---------------------------------------------| | &H3 | Select V.32bis only. | |--------------+---------------------------------------------| | &H4 | Select V.32 or below. | |--------------+---------------------------------------------| | &H5 | Select V.32 only. | |--------------+---------------------------------------------| | &H6 | Select V.22bis or below. | |--------------+---------------------------------------------| | &H7 | Select V.22 only. | |--------------+---------------------------------------------| | &H8 | Select Bell 212A only. | |--------------+---------------------------------------------| | &H9 | Select Bell 103A only. | |--------------+---------------------------------------------| | &H10 | Select V.21 only. | +------------------------------------------------------------+ +------------------------------------------------------------+ | RETRAIN MODE | |------------------------------------------------------------| | Type: | Configuration | |--------------+---------------------------------------------| | Format: | AT [cmds] %Qn [cmds] | |--------------+---------------------------------------------| | Description: | Selects the modem's reaction to a poor | | | quality connection. | |--------------+---------------------------------------------| | Command | Function | |--------------+---------------------------------------------| | %Q0 | Modem will not retrain. | |--------------+---------------------------------------------| | %Q1 | Modem will retrain up to three times, then | | | it will disconnect if line quality is still | | | to poor to support connection. | |--------------+---------------------------------------------| | %Q2 | Modem will retrain until line quality is | | | good enough to support connection. | +------------------------------------------------------------+ +------------------------------------------------------------+ | RETRANSMISSION MAXIMUM | |------------------------------------------------------------| | Type: | Register | |--------------+---------------------------------------------| | Format: | AT [cmds] S70=n [cmds] | |--------------+---------------------------------------------| | Description: | Sets the maximum number of times that the | | | modem will retransmit a packet due to | | | errors before the modem will hang up. | +------------------------------------------------------------+ +------------------------------------------------------------+ | RTS SIGNAL | |------------------------------------------------------------| | Type: | Configuration | |--------------+---------------------------------------------| | Format: | AT [cmds] &Rn [cmds] | |--------------+---------------------------------------------| | Description: | | |--------------+---------------------------------------------| | Command | Function | |--------------+---------------------------------------------| | &R0 | RTS normal in asynchronous connect mode and | | | forced high in asynchronous command mode. | | | In synchronous mode, RTS follows CTS with | | | delay set by S26 command. | |--------------+---------------------------------------------| | i &R1 | RTS normal in connect mode, forced high in | | | asynchronous command mode. | |--------------+---------------------------------------------| | &R2 | RTS normal. | |--------------+---------------------------------------------| | &R3 | RTS forced high. | +------------------------------------------------------------+ +------------------------------------------------------------+ | TRELLIS CODING | |------------------------------------------------------------| | Type: | Configuration | |--------------+---------------------------------------------| | Format: | AT [cmds] &Un [cmds] | |--------------+---------------------------------------------| | Description: | Selects whether the modem will use trellis | | | coding. | |------------------------------------------------------------| | Command | Function | |-----------------------+------------------------------------| | i &U0 | Trellis coding enabled. | |-----------------------+------------------------------------| | &U1 | Trellis coding disabled. | +------------------------------------------------------------+