CARDINAL TECHNOLOGIES,INC. ========================== 2400V42 (INTERNAL), 2450V42 (INTERNAL) Card Type Modem (asynchronous) Chip Set Unidentified Maximum Data Rate 2400bps Data Bus 8-bit ISA Data Modulation Protocol Bell 103/212A ITU-T V.21, V.22, V.22bis Error Correction/Compression MNP5, V.42, V.42bis +------------------------------------------------------------+ | CONNECTIONS | |------------------------------------------------------------| | Function | Label | Function | Label | |------------------------------------------------------------| | Line out/in | CN1 | Line in/out | CN2 | +------------------------------------------------------------+ +------------------------------------------------------------+ | SERIAL PORT ADDRESS | |------------------------------------------------------------| | Setting | IRQ | SW1/A | SW1/B | SW1/C | SW1/D | |-------------+------+---------+---------+---------+---------| | COM1 (3F8h) | 4 | Closed | Closed | Closed | Open | |-------------+------+---------+---------+---------+---------| | COM2 (2F8h) | 3 | Open | Closed | Open | Closed | |-------------+------+---------+---------+---------+---------| | COM3 (3E8h) | 4 | Closed | Open | Closed | Open | |-------------+------+---------+---------+---------+---------| | COM4 (2E8h) | 3 | Open | Open | Open | Closed | +------------------------------------------------------------+ +------------------------------------------------------------+ | INTERRUPT SELECTION | |------------------------------------------------------------| | Setting | P3 | |-------------------------------+----------------------------| | 2 | Pins 2 & 3 closed | |-------------------------------+----------------------------| | 5 | Pins 1 & 2 closed | |-------------------------------+----------------------------| | Disabled IRQ2 & IRQ5 | Open | +------------------------------------------------------------+ +------------------------------------------------------------+ | SUPPORTED COMMAND SET | |------------------------------------------------------------| | Basic AT Commands | |------------------------------------------------------------| | AT, '+++', 'Comma', A/ | |------------------------------------------------------------| | A, B, E, H, L, M, O, Q, S, V, X, Y, Z, | |------------------------------------------------------------| | &C, &D, &F, &G, &L, &P, &S, &T, &W, &Y, &Z | |------------------------------------------------------------| | Extended AT Commands | |------------------------------------------------------------| | \A, \B, \C, \G, \J, \L, \O, \U, \X, \Y, \Z | |------------------------------------------------------------| | S Registers | |------------------------------------------------------------| | S0, S1, S2, S3, S4, S5, S6, S7, S8, S9, S10, S11, S12, | | S16, S18, S25, S26, S37 | |------------------------------------------------------------| | Special Commands | |------------------------------------------------------------| | "H, "O | |------------------------------------------------------------| | Note: Please see MHI Help file for full command | | documentation. | +------------------------------------------------------------+ Proprietary AT Command Set +------------------------------------------------------------+ | AUTO-RELIABLE FALLBACK CHARACTER | |------------------------------------------------------------| | Type: | Configuration | |--------------+---------------------------------------------| | Format: | AT [cmds] %An [cmds] | |--------------+---------------------------------------------| | Default: | Unidentified | |--------------+---------------------------------------------| | Range: | 0-127 | |--------------+---------------------------------------------| | Unit: | ASCII | |--------------+---------------------------------------------| | Description: | Sets the character used as the | | | auto-reliable fallback character | |--------------+---------------------------------------------| | Note: | AT%A0 will disable this function. | +------------------------------------------------------------+ +------------------------------------------------------------+ | BIT MAPPED REGISTERS | |------------------------------------------------------------| | Register | Default | |----------------------------+-------------------------------| | S14 | Unidentified | |----------------------------+-------------------------------| | S20 | 16 | |----------------------------+-------------------------------| | S21 | Unidentified | |----------------------------+-------------------------------| | S22 | Unidentified | |----------------------------+-------------------------------| | S23 | Unidentified | |----------------------------+-------------------------------| | S27 | Unidentified | |----------------------------+-------------------------------| | S100 | Unidentified | +------------------------------------------------------------+ +-------------------------------------------------------------+ | BREAK TYPE | |-------------------------------------------------------------| |Type: |Configuration | |------------------+------------------------------------------| |Format: |AT [cmds] \Kn [cmds] | |------------------+------------------------------------------| |Description: |Configures action of break signal | |-------------------------------------------------------------| | Command |Break from DTE |Break from | Break | Modem | | | | DTE | received |receives \B| | |Reliable/Normal| |from remote| | | | mode |Direct mode| modem | | |---------+---------------+-----------+-----------+-----------| | \K0 |Online command |Online |Buffers |Break sent | | |mode enabled, |command |cleared, |to remote | | |send no break |mode |break sent |modem and | | |to remote modem|enabled, |to DTE |buffers | | | |send break | |cleared | | | |to remote | | | | | |modem | | | | | |immediately| | | |---------+---------------+-----------+-----------+-----------| | \K1 |Break sent to |Send break |Buffers |Break sent | | |remote modem |to remote |cleared, |to remote | | |and buffers |modem |break sent |modem and | | |cleared |immediately|to DTE |buffers | | | | | |cleared | |---------+---------------+-----------+-----------+-----------| | \K2 |Online command |Online |Break sent |Send break | | |mode enabled, |command |immediately|to remote | | |send no break |mode |to DTE |modem | | |to remote modem|enabled, | |immediately| | | |send break | | | | | |to remote | | | | | |modem | | | | | |immediately| | | |---------+---------------+-----------+-----------+-----------| | \K3 |Send break to |Send break |Break sent |Send break | | |remote modem |to remote |immediately|to remote | | |immediately |modem |to DTE |modem | | | |immediately| |immediately| |---------+---------------+-----------+-----------+-----------| | \K4 |Online command |Online |Break sent |Send break | | |mode enabled, |command |with |with | | |send no break |mode |received |transmitted| | |to remote modem|enabled, |data to the|data | | | |send break |DTE | | | | |to remote | | | | | |modem | | | | | |immediately| | | |---------+---------------+-----------+-----------+-----------| | i \K5 |Send break with|Send break |Break sent |Send break | | |transmitted |to remote |with |with | | |data |modem |received |transmitted| | | |immediately|data to the|data | | | | |DTE | | +-------------------------------------------------------------+ +------------------------------------------------------------+ | COMPRESSION | |------------------------------------------------------------| | Type: | Configuration | |--------------+---------------------------------------------| | Format: | AT [cmds] %Cn [cmds] | |--------------+---------------------------------------------| | Description: | Selects MNP5 data compression | |--------------+---------------------------------------------| | Command | Function | |--------------+---------------------------------------------| | %C0 | MNP5 disabled | |--------------+---------------------------------------------| | i %C1 | MNP5 enabled | +------------------------------------------------------------+ +------------------------------------------------------------+ | CONNECT MODE | |------------------------------------------------------------| | Type: | Configuration | |--------------+---------------------------------------------| | Format: | AT [cmds] \Nn [cmds] | |--------------+---------------------------------------------| | Description: | Controls the type of connection the modem | | | will operate in | |--------------+---------------------------------------------| | Command | Function | |--------------+---------------------------------------------| | \N0 | Normal mode enabled | |--------------+---------------------------------------------| | i \N1 | Direct mode enabled | |--------------+---------------------------------------------| | \N2 | MNP reliable mode enabled | |--------------+---------------------------------------------| | \N3 | Auto-reliable mode enabled | |--------------+---------------------------------------------| | \N4 | V.42 reliable mode enabled | +------------------------------------------------------------+ +------------------------------------------------------------+ | DIAL | |------------------------------------------------------------| | Type: | Immediate | |--------------+---------------------------------------------| | Format: | AT [cmds] D<#> [cmds] | |--------------+---------------------------------------------| | Description: | Dials telephone number according to any | | | modifiers included in the string | |--------------+---------------------------------------------| | Note: | Any combination of modifiers can be used to | | | produce the desired dial functions in | | | sequence. | |--------------+---------------------------------------------| | Modifier | Function | |--------------+---------------------------------------------| | P | Pulse dialing enabled | |--------------+---------------------------------------------| | R | Answer mode enabled, originate mode | | | disabled following handshake initiation | |--------------+---------------------------------------------| | Sn | Dial stored telephone number n | |--------------+---------------------------------------------| | T | Tone dialing enabled | |--------------+---------------------------------------------| | W | Dialing resumed following dial tone | | | detection | |--------------+---------------------------------------------| | , | Dialing paused for amount of time specified | | | in S8 register | |--------------+---------------------------------------------| | ! | Modem commanded to go off-hook for | | | specified time before returning on-hook | |--------------+---------------------------------------------| | @ | Wait for quiet answer | |--------------+---------------------------------------------| | ; | Modem returned to command state after | | | dialing | +------------------------------------------------------------+ +------------------------------------------------------------+ | DISPLAY CONFIGURATION | |------------------------------------------------------------| | Type: | Immediate | |--------------+---------------------------------------------| | Format: | AT [cmds] \S [cmds] | |--------------+---------------------------------------------| | Description: | Displays current modem settings | +------------------------------------------------------------+ +------------------------------------------------------------+ | EXTENDED RESULT CODES | |------------------------------------------------------------| | Type: | Configuration | |--------------+---------------------------------------------| | Format: | AT [cmds] \Vn [cmds] | |--------------+---------------------------------------------| | Description: | Select standard or extended result codes | |--------------+---------------------------------------------| | Command | Function | |--------------+---------------------------------------------| | \V0 | Standard result codes enabled | |--------------+---------------------------------------------| | \V1 | Extended MNP result codes enabled | |--------------+---------------------------------------------| | \V2 | Extended V.42 and MNP result codes enabled | +------------------------------------------------------------+ +------------------------------------------------------------+ | FLOW CONTROL TYPE | |------------------------------------------------------------| | Type: | Configuration | |--------------+---------------------------------------------| | Format: | AT [cmds] \Qn [cmds] | |--------------+---------------------------------------------| | Description: | Sets type of flow control used by modem | |--------------+---------------------------------------------| | Command | Function | |--------------+---------------------------------------------| | i \Q0 | Flow control disabled | |--------------+---------------------------------------------| | \Q1 | XON/XOFF flow control enabled | |--------------+---------------------------------------------| | \Q2 | CTS flow control by DCE enabled | |--------------+---------------------------------------------| | \Q3 | RTS/CTS flow control enabled | +------------------------------------------------------------+ +------------------------------------------------------------+ | INACTIVITY TIMER | |------------------------------------------------------------| | Type: | Configuration | |--------------+---------------------------------------------| | Format: | AT [cmds] \Tn [cmds] | |--------------+---------------------------------------------| | Default: | 0 | |--------------+---------------------------------------------| | Range: | 0-90 | |--------------+---------------------------------------------| | Unit: | 1 minute | |--------------+---------------------------------------------| | Description: | Sets the length of time that the modem does | | | not receive information before it | | | disconnects. | |--------------+---------------------------------------------| | Note: | AT\T0 will disable timer. | +------------------------------------------------------------+ +------------------------------------------------------------+ | LINE SPEED | |------------------------------------------------------------| | Type: | Configuration | |--------------+---------------------------------------------| | Format: | AT [cmds] %Nn [cmds] | |--------------+---------------------------------------------| | Description: | Controls maximum DCE line speed | |------------------------------------------------------------| | Command | Function | |----------------+-------------------------------------------| | i %N0 | Enable maximum DCE speed | |----------------+-------------------------------------------| | %N1 | Maximum DCE speed set to 300bps | |----------------+-------------------------------------------| | %N2 | Maximum DCE speed set to 300bps | |----------------+-------------------------------------------| | %N3 | Maximum DCE speed set to 300bps | |----------------+-------------------------------------------| | %N5 | Maximum DCE speed set to 1200bps | |----------------+-------------------------------------------| | %N6 | Maximum DCE speed set to 2400bps | +------------------------------------------------------------+ +------------------------------------------------------------+ | REPORT INFORMATION | |------------------------------------------------------------| | Type: | Immediate | |--------------+---------------------------------------------| | Format: | AT [cmds] In [cmds] | |--------------+---------------------------------------------| | Description: | Displays information requested | |--------------+---------------------------------------------| | Command | Function | |--------------+---------------------------------------------| | I0 | Reports modem code | |--------------+---------------------------------------------| | I1 | Reports ROM checksum | |--------------+---------------------------------------------| | I2 | Tests and reports ROM checksum | |--------------+---------------------------------------------| | I3 | Reports version information | +------------------------------------------------------------+ +------------------------------------------------------------+ | V.42/MNP - DETECTION PHASE | |------------------------------------------------------------| | Type: | Configuration | |--------------+---------------------------------------------| | Format: | AT [cmds] -Jn [cmds] | |--------------+---------------------------------------------| | Description: | Controls V.42/MNP detection | |--------------+---------------------------------------------| | Command | Function | |--------------+---------------------------------------------| | -J0 | V.42 detection disabled | |--------------+---------------------------------------------| | i -J1 | V.42 detection enabled, then MNP detection | |--------------+---------------------------------------------| | -J2 | MNP detection enabled, then LAPM detection | +------------------------------------------------------------+ +------------------------------------------------------------+ | V.42bis - DICTIONARY SIZE | |------------------------------------------------------------| | Type: | Configuration | |--------------+---------------------------------------------| | Format: | AT [cmds] "Nn [cmds] | |--------------+---------------------------------------------| | Default: | Unidentified | |--------------+---------------------------------------------| | Range: | 512-1024 | |--------------+---------------------------------------------| | Unit: | Strings | |--------------+---------------------------------------------| | Description: | Select V.42 dictionary size | +------------------------------------------------------------+