QUADRANT COMPONENTS, INC. ========================= CHOICE 33.6 Card Type Modem (asynchronous) Chipset U.S. Robotics Maximum Data Rate 33.6Kbps Maximum Fax Rate 14.4Kbps Data Modulation Bell 103A, 212A ITU-T V.21, V.22, V.22bis, V.23, V.32, V.32bis, V.34 Fax Modulation Unidentified Error MNP5, V.42, V.42bis Correction/Compression Fax Class Class I & II Data Bus 8-bit ISA Card Size Full height, half length +------------------------------------------------------------+ | CONNECTIONS | |------------------------------------------------------------| | Function | Label | Function | Label | |----------------------+-------+---------------------+-------| | Telephone line | CN1 | Telephone line | CN2 | +------------------------------------------------------------+ +------------------------------------------------------------+ | SERIAL PORT ADDRESS SELECTION | |------------------------------------------------------------| | Setting | JP1/A | JP1/B | JP1/C | |---------------+--------------+--------------+--------------| | 3F8h (COM1:) | Closed | Closed | Closed | |---------------+--------------+--------------+--------------| | 2F8h (COM2:) | Open | Closed | Closed | |---------------+--------------+--------------+--------------| | 3E8h (COM3:) | Closed | Open | Closed | |---------------+--------------+--------------+--------------| | 2E8h (COM4:) | Open | Open | Closed | |---------------+--------------+--------------+--------------| | i Plug-N-Play | Open | Open | Open | +------------------------------------------------------------+ +------------------------------------------------------------+ | INTERRUPT SELECTION | |------------------------------------------------------------| | Setting | JP2/A | JP2/B | JP2/C | JP2/D | JP2/E | |---------------+--------+--------+--------+--------+--------| | 2 | Closed | Open | Open | Open | Open | |---------------+--------+--------+--------+--------+--------| | 3 | Open | Closed | Open | Open | Open | |---------------+--------+--------+--------+--------+--------| | 4 | Open | Open | Closed | Open | Open | |---------------+--------+--------+--------+--------+--------| | 5 | Open | Open | Open | Closed | Open | |---------------+--------+--------+--------+--------+--------| | 7 | Open | Open | Open | Open | Closed | |---------------+--------+--------+--------+--------+--------| | i Plug-N-Play | Open | Open | Open | Open | Open | +------------------------------------------------------------+ +------------------------------------------------------------+ | SUPPORTED STANDARD COMMANDS | |------------------------------------------------------------| | Basic AT Commands | |------------------------------------------------------------| | +++, 'comma', A/ | |------------------------------------------------------------| | A, B, C, D, E, F, H, L, M, O, P, T, V, X | |------------------------------------------------------------| | &C, &D, &G, &P, &R, &S, &T, &W, &Z | |------------------------------------------------------------| | S-Registers | |------------------------------------------------------------| | S0, S1, S2, S3, S4, S5, S6, S7, S8, S9, S10, S11, S12, | | S18, S25, S38 | |------------------------------------------------------------| | Note: See MHI help file for complete information. | +------------------------------------------------------------+ Proprietary AT Command Set +------------------------------------------------------------+ | BIT-MAPPED REGISTER S13 | |------------------------------------------------------------| | Format | AT [cmds] S13=n [cmds] | |--------------+---------------------------------------------| | Default: | 0 | |--------------+---------------------------------------------| | Range: | 0 - 159 | |--------------+---------------------------------------------| | Description: | Controls DTR reset, non-error-correcting | | | mode buffer, BS/DEL switch, DTR dialing, | | | reset dialing, and escape sequence | | | reaction. | |--------------+---------------------------------------------| | Bit | Value | Function | |------+-------+---------------------------------------------| | 0 | i 0 | DTR normal. | | | | | | | 1 | Reset on low DTR. | |------+-------+---------------------------------------------| | 1 | i 0 | Non-error-correcting mode transmit buffer | | | | set to 1.5KB. | | | 1 | | | | | Non-error-correcting mode transmit buffer | | | | set to 128 bytes. | |------+-------+---------------------------------------------| | 2 | i 0 | Backspace and delete keys normal. | | | | | | | 1 | Backspace and delete keys reversed. | |------+-------+---------------------------------------------| | 3 | i 0 | DTR dialing disabled. | | | | | | | 1 | DTR dialing enabled. | |------+-------+---------------------------------------------| | 4 | i 0 | Reset dialing disabled. | | | | | | | 1 | Reset dialing enabled. | |------+-------+---------------------------------------------| | 6, 5 | 00 | Not used. | |------+-------+---------------------------------------------| | 7 | i 0 | Modem reacts normally to escape sequence. | | | | | | | 1 | Modem disconnects and returns to command | | | | state upon receiving an escape sequence. | +------------------------------------------------------------+ +------------------------------------------------------------+ | BIT-MAPPED REGISTER S27 | |------------------------------------------------------------| | Format: | AT [cmds] S27=n [cmds] | |--------------+---------------------------------------------| | Default: | 0 | |--------------+---------------------------------------------| | Range: | 0 - 191 | |--------------+---------------------------------------------| | Description: | Controls V.21, V.32 encoding and | | | modulation, V.42 answer tone, V.32 | | | fallback, V.32bis mode, and 9600 result | | | codes. | |--------------+---------------------------------------------| | Bit | Value | Function | |------+-------+---------------------------------------------| | 0 | i 0 | V.21 disabled. | | | | | | | 1 | V.21 enabled. | |------+-------+---------------------------------------------| | 1 | i 0 | V.32 trellis coding disabled. | | | | | | | 1 | V.32 trellis coding enabled. | |------+-------+---------------------------------------------| | 2 | i 0 | V.32 modulation enabled. | | | | | | | 1 | V.32 modulation disabled. | |------+-------+---------------------------------------------| | 3 | i 0 | 2100Hz answer tone enabled. | | | | | | | 1 | 2100Hz answer tone disabled. | |------+-------+---------------------------------------------| | 4 | i 0 | V.32 fallback disabled. | | | | | | | 1 | V.32 fallback enabled. | |------+-------+---------------------------------------------| | 5 | i 0 | V.32bis enabled. | | | | | | | 1 | V.32bis disabled. | |------+-------+---------------------------------------------| | 6 | 0 | Not used. | |------+-------+---------------------------------------------| | 7 | i 0 | Actual result codes displayed. | | | | | | | 1 | Force 9600 result codes. | +------------------------------------------------------------+ +------------------------------------------------------------+ | BREAK LENGTH | |------------------------------------------------------------| | Type: | Register | |--------------+---------------------------------------------| | Format: | AT [cmds] S21=n [cmds] | |--------------+---------------------------------------------| | Default: | 10 | |--------------+---------------------------------------------| | Range: | Unidentified | |--------------+---------------------------------------------| | Unit: | 10 ms | |--------------+---------------------------------------------| | Description: | Sets the length of error control mode | | | breaks sent from DCE to DTE. | +------------------------------------------------------------+ +------------------------------------------------------------+ | BREAK TYPE | |------------------------------------------------------------| | Type: | Configuration | |--------------+---------------------------------------------| | Format: | AT [cmds] &Yn [cmds] | |--------------+---------------------------------------------| | Description: | Configures action of break signal. | |--------------+---------------------------------------------| | Command | Function | |--------------+---------------------------------------------| | &Y0 | Break empties buffer. | |--------------+---------------------------------------------| | i &Y1 | Break empties buffer and is sent | | | immediately. | |--------------+---------------------------------------------| | &Y2 | Break does not empty buffer and is sent | | | immediately. | +------------------------------------------------------------+ +------------------------------------------------------------+ | COMMUNICATIONS MODE | |------------------------------------------------------------| | Type: | Configuration | |--------------+---------------------------------------------| | Format: | AT [cmds] &Mn [cmds] | |--------------+---------------------------------------------| | Description: | Selects communications mode. | |--------------+---------------------------------------------| | Command | Mode | |--------------+---------------------------------------------| | i &M0 | Modem operates in asynchronous mode. | |--------------+---------------------------------------------| | &M5 | Modem operates in asynchronous | | | auto-reliable mode. | |--------------+---------------------------------------------| | &M6 | Modem operates in asynchronous reliable | | | mode. | +------------------------------------------------------------+ +------------------------------------------------------------+ | COMPRESSION MODE | |------------------------------------------------------------| | Type: | Configuration | |--------------+---------------------------------------------| | Format: | AT [cmds] &Kn [cmds] | |--------------+---------------------------------------------| | Description: | Selects the type of data compression that | | | will be used. | |--------------+---------------------------------------------| | Command | Function | |--------------+---------------------------------------------| | &K0 | Data compression disabled. | |--------------+---------------------------------------------| | i &K1 | Auto-detect compression mode. | |--------------+---------------------------------------------| | &K2 | Data compression enabled. | |--------------+---------------------------------------------| | &K3 | MNP5 data compression only enabled. | +------------------------------------------------------------+ +------------------------------------------------------------+ | CONNECTION SPEED LOWER LIMIT | |------------------------------------------------------------| | Type: | Configuration | |--------------+---------------------------------------------| | Format: | AT [cmds] &Un [cmds] | |--------------+---------------------------------------------| | Description: | Sets slowest allowed connection speed if &N | | | is set to 1 or higher. | |--------------+---------------------------------------------| | Command | Function | |--------------+---------------------------------------------| | &U0 | No minimum connect speed. | |--------------+---------------------------------------------| | &U1 | Set minimum connect speed to 300bps. | |--------------+---------------------------------------------| | &U2 | Set minimum connect speed to 1200bps. | |--------------+---------------------------------------------| | &U3 | Set minimum connect speed to 2400bps. | |--------------+---------------------------------------------| | &U4 | Set minimum connect speed to 4800bps. | |--------------+---------------------------------------------| | &U5 | Set minimum connect speed to 7200bps. | |--------------+---------------------------------------------| | &U6 | Set minimum connect speed to 9600bps. | |--------------+---------------------------------------------| | &U7 | Set minimum connect speed to 12Kbps. | |--------------+---------------------------------------------| | &U8 | Set minimum connect speed to 14.4Kbps. | |--------------+---------------------------------------------| | &U9 | Set minimum connect speed to 16.8Kbps. | |--------------+---------------------------------------------| | &U10 | Set minimum connect speed to 19.2Kbps. | |--------------+---------------------------------------------| | &U11 | Set minimum connect speed to 21.6Kbps. | |--------------+---------------------------------------------| | &U12 | Set minimum connect speed to 24Kbps. | |--------------+---------------------------------------------| | &U13 | Set minimum connect speed to 26.4Kbps. | |--------------+---------------------------------------------| | &U14 | Set minimum connect speed to 28.8Kbps. | |--------------+---------------------------------------------| | &U15 | Set minimum connect speed to 31.2Kbps. | |--------------+---------------------------------------------| | &U16 | Set minimum connect speed to 33.6Kbps. | +------------------------------------------------------------+ +------------------------------------------------------------+ | CONNECTION SPEED UPPER LIMIT | |------------------------------------------------------------| | Type: | Configuration | |--------------+---------------------------------------------| | Format: | AT [cmds] &Nn [cmds] | |--------------+---------------------------------------------| | Description: | Sets required connection speed if &U is set | | | to 0; otherwise, sets fastest allowed | | | connection speed. | |--------------+---------------------------------------------| | Command | Function | |--------------+---------------------------------------------| | &N0 | No maximum connect speed. | |--------------+---------------------------------------------| | &N1 | Set maximum connect speed to 300bps. | |--------------+---------------------------------------------| | &N2 | Set maximum connect speed to 1200bps. | |--------------+---------------------------------------------| | &N3 | Set maximum connect speed to 2400bps. | |--------------+---------------------------------------------| | &N4 | Set maximum connect speed to 4800bps. | |--------------+---------------------------------------------| | &N5 | Set maximum connect speed to 7200bps. | |--------------+---------------------------------------------| | &N6 | Set maximum connect speed to 9600bps. | |--------------+---------------------------------------------| | &N7 | Set maximum connect speed to 12Kbps. | |--------------+---------------------------------------------| | &N8 | Set maximum connect speed to 14.4Kbps. | |--------------+---------------------------------------------| | &N9 | Set maximum connect speed to 16.8Kbps. | |--------------+---------------------------------------------| | &N10 | Set maximum connect speed to 19.2Kbps. | |--------------+---------------------------------------------| | &N11 | Set maximum connect speed to 21.6Kbps. | |--------------+---------------------------------------------| | &N12 | Set maximum connect speed to 24Kbps. | |--------------+---------------------------------------------| | &N13 | Set maximum connect speed to 26.4Kbps. | |--------------+---------------------------------------------| | &N14 | Set maximum connect speed to 28.8Kbps. | |--------------+---------------------------------------------| | &N15 | Set maximum connect speed to 31.2Kbps. | |--------------+---------------------------------------------| | &N16 | Set maximum connect speed to 33.6Kbps. | +------------------------------------------------------------+ +------------------------------------------------------------+ | DISPLAY INFORMATION | |------------------------------------------------------------| | Type: | Immediate | |--------------+---------------------------------------------| | Format: | AT [cmds] In [cmds] | |--------------+---------------------------------------------| | Description: | Displays information requested about the | | | modem. | |--------------+---------------------------------------------| | Command | Function | |--------------+---------------------------------------------| | I0 | Displays product code. | |--------------+---------------------------------------------| | I1 | Displays ROM checksum result. | |--------------+---------------------------------------------| | I2 | Displays RAM checksum result. | |--------------+---------------------------------------------| | I3 | Displays firmware version. | |--------------+---------------------------------------------| | I4 | Displays current command settings. | |--------------+---------------------------------------------| | I5 | Displays current NVRAM settings. | |--------------+---------------------------------------------| | I6 | Displays link diagnostics. | |--------------+---------------------------------------------| | I7 | Displays configuration. | |--------------+---------------------------------------------| | I9 | Displays Plug-N-Play information. | |--------------+---------------------------------------------| | I11 | Displays call statistics. | +------------------------------------------------------------+ +------------------------------------------------------------+ | ERROR CORRECTION/COMPRESSION | |------------------------------------------------------------| | Format: | AT [cmds] S15=n [cmds] | |--------------+---------------------------------------------| | Default: | 0 | |--------------+---------------------------------------------| | Range: | 0 - 255 | |--------------+---------------------------------------------| | Description: | Selects which classes of error correction | | | and compression may be used. | |--------------+---------------------------------------------| | Bit | Value | Function | |------+-------+---------------------------------------------| | 0 | i 0 | MNP and V.42 enabled during V.22 operation. | | | | | | | 1 | MNP and V.42 disabled during V.22 | | | | operation. | |------+-------+---------------------------------------------| | 1 | i 0 | MNP and V.42 enabled during V.22bis | | | | operation. | | | 1 | | | | | MNP and V.42 disabled during V.22bis | | | | operation. | |------+-------+---------------------------------------------| | 2 | i 0 | MNP and V.42 enabled during V.32 and | | | | V.32bis operation. | | | 1 | | | | | MNP and V.42 disabled during V.32 and | | | | V.32bis operation. | |------+-------+---------------------------------------------| | 3 | i 0 | MNP enabled. | | | | | | | 1 | MNP disabled. | |------+-------+---------------------------------------------| | 4 | i 0 | MNP 4 enabled. | | | | | | | 1 | MNP 4 disabled. | |------+-------+---------------------------------------------| | 5 | i 0 | MNP 3 enabled. | | | | | | | 1 | MNP 3 disabled. | |------+-------+---------------------------------------------| | 6 | i 0 | MNP normal. | | | | | | | 1 | MNP adjusted for non compliant modems. | |------+-------+---------------------------------------------| | 7 | i 0 | V.42 enabled. | | | | | | | 1 | V.42 disabled. | +------------------------------------------------------------+ +------------------------------------------------------------+ | EXTENDED RESULT CODES | |------------------------------------------------------------| | Type: | Configuration | |--------------+---------------------------------------------| | Format: | AT [cmds] &An [cmds] | |--------------+---------------------------------------------| | 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. | +------------------------------------------------------------+ +------------------------------------------------------------+ | FACTORY DEFAULTS | |------------------------------------------------------------| | Type: | Immediate | |--------------+---------------------------------------------| | Format: | AT [cmds] &Fn [cmds] | |--------------+---------------------------------------------| | Description: | Resets the modem to the specified factory | | | profile. | |--------------+---------------------------------------------| | Command | Function | |--------------+---------------------------------------------| | &F0 | Modem resets to factory generic profile. | |--------------+---------------------------------------------| | &F1 | Modem resets to factory hardware flow | | | control profile. | |--------------+---------------------------------------------| | &F2 | Modem resets to factory software flow | | | control profile. | +------------------------------------------------------------+ +------------------------------------------------------------+ | FLOW CONTROL CHARACTER - XON | |------------------------------------------------------------| | Type: | Register | |--------------+---------------------------------------------| | Format: | AT [cmds] S22=n [cmds] | |--------------+---------------------------------------------| | Default: | 17 | |--------------+---------------------------------------------| | Range: | 11 - 127 | |--------------+---------------------------------------------| | Unit: | ASCII | |--------------+---------------------------------------------| | Description: | Sets the character used to represent XON. | +------------------------------------------------------------+ +------------------------------------------------------------+ | FLOW CONTROL CHARACTER - XOFF | |------------------------------------------------------------| | Type: | Register | |--------------+---------------------------------------------| | Format: | AT [cmds] S23=n [cmds] | |--------------+---------------------------------------------| | Default: | 19 | |--------------+---------------------------------------------| | Range: | 11 - 127 | |--------------+---------------------------------------------| | Unit: | ASCII | |--------------+---------------------------------------------| | Description: | Sets the character used to represent XOFF. | +------------------------------------------------------------+ +------------------------------------------------------------+ | FLOW CONTROL TYPE | |------------------------------------------------------------| | Type: | Configuration | |--------------+---------------------------------------------| | Format: | AT [cmds] &Hn [cmds] | |--------------+---------------------------------------------| | 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 - AMPERSAND | |------------------------------------------------------------| | Type: | Immediate | |--------------+---------------------------------------------| | Format: | AT [cmds] &$ | |--------------+---------------------------------------------| | Description: | Displays help on the AT& commands. | +------------------------------------------------------------+ +------------------------------------------------------------+ | HELP - DIAL | |------------------------------------------------------------| | Type: | Immediate | |--------------+---------------------------------------------| | Format: | AT [cmds] D$ | |--------------+---------------------------------------------| | Description: | Displays help on dial modifiers. | +------------------------------------------------------------+ +------------------------------------------------------------+ | HELP - GENERAL | |------------------------------------------------------------| | Type: | Immediate | |--------------+---------------------------------------------| | Format: | AT [cmds] $ | |--------------+---------------------------------------------| | Description: | Displays help on the basic (no prefix) AT | | | commands. | +------------------------------------------------------------+ +------------------------------------------------------------+ | HELP - S-REGISTERS | |------------------------------------------------------------| | Type: | Immediate | |--------------+---------------------------------------------| | Format: | AT [cmds] S$ | |--------------+---------------------------------------------| | Description: | Displays help on the S-registers. | +------------------------------------------------------------+ +------------------------------------------------------------+ | INACTIVITY TIMER | |------------------------------------------------------------| | Type: | Register | |--------------+---------------------------------------------| | Format: | AT [cmds] S19=n [cmds] | |--------------+---------------------------------------------| | Default: | 0 | |--------------+---------------------------------------------| | Range: | 0-255 | |--------------+---------------------------------------------| | Unit: | 1 minute | |--------------+---------------------------------------------| | Description: | Sets the length of time that the modem does | | | not receive information before it | | | disconnects; S19=0 will disable this | | | function. | +------------------------------------------------------------+ +------------------------------------------------------------+ | LOCK SERIAL PORT | |------------------------------------------------------------| | Type: | Configuration | |--------------+---------------------------------------------| | Format: | AT [cmds] &Bn [cmds] | |--------------+---------------------------------------------| | 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. | +------------------------------------------------------------+ +------------------------------------------------------------+ | PROFILE ON POWER-UP | |------------------------------------------------------------| | Type: | Configuration | |--------------+---------------------------------------------| | Format: | AT [cmds] Yn [cmds] | |--------------+---------------------------------------------| | Description: | Selects the profile that the modem will | | | reset to on power-up. | |--------------+---------------------------------------------| | Command | Function | |--------------+---------------------------------------------| | i Y0 | Modem resets to user profile 0 on power-up. | |--------------+---------------------------------------------| | Y1 | Modem resets to user profile 1 on power-up. | |--------------+---------------------------------------------| | Y2 | Modem resets to factory generic profile on | | | power-up. | |--------------+---------------------------------------------| | Y3 | Modem resets to factory hardware flow | | | control profile on power-up. | |--------------+---------------------------------------------| | Y4 | Modem resets to factory software flow | | | control profile on power-up. | +------------------------------------------------------------+ +------------------------------------------------------------+ | RESET MODEM | |------------------------------------------------------------| | Type: | Immediate | |--------------+---------------------------------------------| | Format: | AT [cmds] Zn [cmds] | |--------------+---------------------------------------------| | Description: | Resets the modem to the specified profile. | |--------------+---------------------------------------------| | Command | Function | |--------------+---------------------------------------------| | Z0 | Modem resets to profile set with the Y | | | command. | |--------------+---------------------------------------------| | Z1 | Modem resets to user profile 0. | |--------------+---------------------------------------------| | Z2 | Modem resets to user profile 1. | |--------------+---------------------------------------------| | Z3 | Modem resets to factory generic profile. | |--------------+---------------------------------------------| | Z4 | Modem resets to factory hardware flow | | | control profile. | |--------------+---------------------------------------------| | Z5 | Modem resets to factory software flow | | | control profile. | +------------------------------------------------------------+ +------------------------------------------------------------+ | RESULT CODES | |------------------------------------------------------------| | Type: | Configuration | |--------------+---------------------------------------------| | Format: | AT [cmds] Qn [cmds] | |--------------+---------------------------------------------| | Description: | Enables modem to send result codes to the | | | DTE. | |--------------+---------------------------------------------| | Command | Function | |--------------+---------------------------------------------| | i Q0 | Result codes enabled. | |--------------+---------------------------------------------| | Q1 | Result codes disabled. | |--------------+---------------------------------------------| | Q2 | Result codes enabled in originate mode | | | only. | +------------------------------------------------------------+ +------------------------------------------------------------+ | TONE DIALING TEST | |------------------------------------------------------------| | Type: | Register | |--------------+---------------------------------------------| | Format: | AT [cmds] S16=n [cmds] | |--------------+---------------------------------------------| | Description: | Begins a tone dialing test. | |--------------+---------------------------------------------| | Command | Function | |--------------+---------------------------------------------| | i S16=0 | Tone dialing test disabled. | |--------------+---------------------------------------------| | S16=2 | Tone dialing test enabled. | +------------------------------------------------------------+ +------------------------------------------------------------+ | V.21 ANSWER MODE FALLBACK TIMER | |------------------------------------------------------------| | Type: | Register | |--------------+---------------------------------------------| | Format: | AT [cmds] S29=n [cmds] | |--------------+---------------------------------------------| | Default: | 20 | |--------------+---------------------------------------------| | Range: | Unidentified | |--------------+---------------------------------------------| | Unit: | .1 second | |--------------+---------------------------------------------| | Description: | The function of this register is | | | unidentified. | +------------------------------------------------------------+ +------------------------------------------------------------+ | V.32 HANDSHAKE TIME | |------------------------------------------------------------| | Type: | Register | |--------------+---------------------------------------------| | Format: | AT [cmds] S28=n [cmds] | |--------------+---------------------------------------------| | Default: | 8 | |--------------+---------------------------------------------| | Range: | 0 - 255 | |--------------+---------------------------------------------| | Unit: | .1 second | |--------------+---------------------------------------------| | Description: | Sets length of V.32 handshake. Setting S28 | | | to 255 disables all connections except | | | 9600bps V.32 mode. | +------------------------------------------------------------+ +------------------------------------------------------------+ | V.34 AND V.FC OPTIONS | |------------------------------------------------------------| | Format: | AT [cmds] S32=n [cmds] | |-----------------+------------------------------------------| | Default: | 2 | |-----------------+------------------------------------------| | Range: | 0 - 31 | |-----------------+------------------------------------------| | Description: | Controls various V.34 and V.FC options. | |------------------------------------------------------------| | Bit | Value | Function | |----------+--------+----------------------------------------| | 0 | i 0 | Call indicate during V.34 operation | | | | disabled. | | | 1 | | | | | Call indicate during V.34 operation | | | | enabled. | |------------------------------------------------------------| | 1 | 0 | V.8 during V.34 operation disabled. | | | | | | | i 1 | V.8 during V.34 operation enabled. | |--------------+------+--------------------------------------| | 2 | i 0 | V.FC modulation enabled. | | | | | | | 1 | V.FC modulation disabled. | |--------------+------+--------------------------------------| | 3 | i 0 | V.34 modulation enabled. | | | | | | | 1 | V.34 modulation disabled. | |--------------+------+--------------------------------------| | 4 | i 0 | 33.6Kbps V.34 modulation enabled. | | | | | | | 1 | 33.6Kbps V.34 modulation disabled. | +------------------------------------------------------------+ +------------------------------------------------------------+ | V.34 OPTIONS | |------------------------------------------------------------| | Format: | AT [cmds] S33=n [cmds] | |--------------+---------------------------------------------| | Default: | 0 | |--------------+---------------------------------------------| | Range: | 0 - 191 | |--------------+---------------------------------------------| | Description: | Controls V.34 baud rate and shaping. | |--------------+---------------------------------------------| | Bit | Value | Function | |------+-------+---------------------------------------------| | 0 | i 0 | 2400 baud rate enabled. | | | | | | | 1 | 2400 baud rate disabled. | |------+-------+---------------------------------------------| | 1 | i 0 | 2743 baud rate enabled. | | | | | | | 1 | 2743 baud rate disabled. | |------+-------+---------------------------------------------| | 2 | i 0 | 2800 baud rate enabled. | | | | | | | 1 | 2800 baud rate disabled. | |------+-------+---------------------------------------------| | 3 | i 0 | 3000 baud rate enabled. | | | | | | | 1 | 3000 baud rate disabled. | |------+-------+---------------------------------------------| | 4 | i 0 | 3200 baud rate enabled. | | | | | | | 1 | 3200 baud rate disabled. | |------+-------+---------------------------------------------| | 5 | i 0 | 3429 baud rate enabled. | | | | | | | 1 | 3429 baud rate disabled. | |------+-------+---------------------------------------------| | 6 | 0 | Not used. | |------+-------+---------------------------------------------| | 7 | i 0 | Shaping enabled. | | | | | | | 1 | Shaping disabled. | +------------------------------------------------------------+ +------------------------------------------------------------+ | V.34 OPTIONS | |------------------------------------------------------------| | Format: | AT [cmds] S34=n [cmds] | |--------------+---------------------------------------------| | Default: | 0 | |--------------+---------------------------------------------| | Range: | 0 - 255 | |--------------+---------------------------------------------| | Description: | Controls V.34 mapping, non-linear coding, | | | transmit level deviation, pre-emphasis, and | | | pre-coding. | |--------------+---------------------------------------------| | Bit | Value | Function | |------+-------+---------------------------------------------| | 0 | i 0 | 8S-2D map enabled. | | | | | | | 1 | 8S-2D map disabled. | |------+-------+---------------------------------------------| | 1 | i 0 | 16S-4D map enabled. | | | | | | | 1 | 16S-4D map disabled. | |------+-------+---------------------------------------------| | 2 | i 0 | 32S-2D map enabled. | | | | | | | 1 | 32S-2D map disabled. | |------+-------+---------------------------------------------| | 3 | i 0 | 64S-4D map enabled. | | | | | | | 1 | 64S-4D map disabled. | |------+-------+---------------------------------------------| | 4 | i 0 | Non-linear coding enabled. | | | | | | | 1 | Non-linear coding disabled. | |------+-------+---------------------------------------------| | 5 | i 0 | Transmit level deviation enabled. | | | | | | | 1 | Transmit level deviation disabled. | |------+-------+---------------------------------------------| | 6 | i 0 | Pre-emphasis enabled. | | | | | | | 1 | Pre-emphasis disabled. | |------+-------+---------------------------------------------| | 7 | i 0 | Pre-coding enabled. | | | | | | | 1 | Pre-coding disabled. | +------------------------------------------------------------+ +------------------------------------------------------------+ | XON/XOFF PASS-THROUGH | |------------------------------------------------------------| | Type: | Configuration | |--------------+---------------------------------------------| | Format: | AT [cmds] &In [cmds] | |--------------+---------------------------------------------| | Description: | Selects whether XON/XOFF signals are sent | | | to remote modem. | |--------------+---------------------------------------------| | Command | Function | |--------------+---------------------------------------------| | &I0 | Software flow control disabled. | |--------------+---------------------------------------------| | &I1 | XON/XOFF pass-through enabled. | |--------------+---------------------------------------------| | &I2 | XON/XOFF pass-through disabled. | +------------------------------------------------------------+