CARDINAL TECHNOLOGIES,INC. ========================== 2400MNP (INTERNAL), 2450MNP (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 | +------------------------------------------------------------+ Proprietary AT Command Set +------------------------------------------------------------+ | ACCEPT RELIABLE MODE | |------------------------------------------------------------| | Type: | Immediate | |--------------+---------------------------------------------| | Format: | AT [cmds] \U [cmds] | |--------------+---------------------------------------------| | Description: | Accept remote modem's request for reliable | | | mode | +------------------------------------------------------------+ +------------------------------------------------------------+ | 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. | +------------------------------------------------------------+ +------------------------------------------------------------+ | AUTO-RELIABLE TIME BUFFER CONFIGURATION | |------------------------------------------------------------| | Type: | Configuration | |--------------+---------------------------------------------| | Format: | AT [cmds] \Cn [cmds] | |--------------+---------------------------------------------| | Description: | Controls the handling of incoming data | | | during auto-reliable time period | |--------------+---------------------------------------------| | Command | Function | |--------------+---------------------------------------------| | i \C0 | Data is discarded | |--------------+---------------------------------------------| | \C1 | Data is buffered | |--------------+---------------------------------------------| | \C2 | Data is discarded; modem returns to normal | | | mode on receiving auto-reliable fallback | | | character. | +------------------------------------------------------------+ +------------------------------------------------------------+ | BIT MAPPED REGISTERS | |------------------------------------------------------------| | Register | Default | |----------------------------+-------------------------------| | S14 | Unidentified | |----------------------------+-------------------------------| | S21 | Unidentified | |----------------------------+-------------------------------| | S22 | Unidentified | |----------------------------+-------------------------------| | S23 | Unidentified | |----------------------------+-------------------------------| | S27 | Unidentified | +------------------------------------------------------------+ +------------------------------------------------------------+ | BREAK SEND | |------------------------------------------------------------| | Type: | Configuration | |--------------+---------------------------------------------| | Format: | AT [cmds] \Bn [cmds] | |--------------+---------------------------------------------| | Default: | 3 | |--------------+---------------------------------------------| | Range: | 3-9 | |--------------+---------------------------------------------| | Unit: | .1 second | |--------------+---------------------------------------------| | Description: | Sends break to modem | +------------------------------------------------------------+ +-------------------------------------------------------------+ | 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 data compression | |--------------+---------------------------------------------| | Command | Function | |--------------+---------------------------------------------| | %C0 | Data compression 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 | +------------------------------------------------------------+ +------------------------------------------------------------+ | CONVERT TO RELIABLE MODE | |------------------------------------------------------------| | Type: | Immediate | |--------------+---------------------------------------------| | Format: | AT [cmds] \Y [cmds] | |--------------+---------------------------------------------| | Description: | Converts to reliable mode from normal or | | | direct mode | +------------------------------------------------------------+ +------------------------------------------------------------+ | 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 result codes enabled | +------------------------------------------------------------+ +------------------------------------------------------------+ | FLOW CONTROL | |------------------------------------------------------------| | Type: | Configuration | |--------------+---------------------------------------------| | Format: | AT [cmds] \Gn [cmds] | |--------------+---------------------------------------------| | Description: | Selects modem port flow control | |--------------+---------------------------------------------| | Command | Function | |--------------+---------------------------------------------| | i \G0 | Flow control disabled | |--------------+---------------------------------------------| | \G1 | Flow control 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. | +------------------------------------------------------------+ +------------------------------------------------------------+ | INITIATE RELIABLE MODE | |------------------------------------------------------------| | Type: | Immediate | |--------------+---------------------------------------------| | Format: | AT [cmds] \O [cmds] | |--------------+---------------------------------------------| | Description: | Initiates reliable mode from normal or | | | direct mode | +------------------------------------------------------------+ +------------------------------------------------------------+ | LINE SIGNAL QUALITY | |------------------------------------------------------------| | Type: | Register | |--------------+---------------------------------------------| | Format: | AT [cmds] S100 [cmds] | |--------------+---------------------------------------------| | Description: | Returns a value which indicates line signal | | | quality | +------------------------------------------------------------+ +------------------------------------------------------------+ | 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 | +------------------------------------------------------------+ +------------------------------------------------------------+ | LOCK SERIAL PORT | |------------------------------------------------------------| | Type: | Configuration | |--------------+---------------------------------------------| | Format: | AT [cmds] \Jn [cmds] | |--------------+---------------------------------------------| | Description: | Sets operation of serial port speed | |--------------+---------------------------------------------| | Command | Function | |--------------+---------------------------------------------| | \J0 | Serial speed locked | |--------------+---------------------------------------------| | i \J1 | Serial speed follows connect speed | +------------------------------------------------------------+ +------------------------------------------------------------+ | MAXIMUM BLOCK SIZE FOR TRANSMISSION | |------------------------------------------------------------| | Type: | Configuration | |--------------+---------------------------------------------| | Format: | AT [cmds] \An [cmds] | |--------------+---------------------------------------------| | Description: | Sets the maximum transmittable block size | |--------------+---------------------------------------------| | Command | Function | |--------------+---------------------------------------------| | \A0 | MNP block size is 64 characters | |--------------+---------------------------------------------| | \A1 | MNP block size is 128 characters | |--------------+---------------------------------------------| | \A2 | MNP block size is 192 characters | |--------------+---------------------------------------------| | i \A3 | MNP block size is 256 characters | +------------------------------------------------------------+ +------------------------------------------------------------+ | MNP - STREAM/BLOCK MODE | |------------------------------------------------------------| | Type: | Configuration | |--------------+---------------------------------------------| | Format: | AT [cmds] \Ln [cmds] | |--------------+---------------------------------------------| | Description: | Selects the transfer mode for MNP link | |--------------+---------------------------------------------| | Command | Function | |--------------+---------------------------------------------| | i \L0 | Stream mode for MNP enabled | |--------------+---------------------------------------------| | \L1 | Block mode for MNP enabled | +------------------------------------------------------------+ +------------------------------------------------------------+ | 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 | +------------------------------------------------------------+ +------------------------------------------------------------+ | SWITCH TO NORMAL MODE | |------------------------------------------------------------| | Type: | Immediate | |--------------+---------------------------------------------| | Format: | AT [cmds] \Z [cmds] | |--------------+---------------------------------------------| | Description: | Switches to normal mode from MNP mode | +------------------------------------------------------------+ +------------------------------------------------------------+ | TEST MODES | |------------------------------------------------------------| | Type: | Register | |--------------+---------------------------------------------| | Format: | AT [cmds] S16=n [cmds] | |--------------+---------------------------------------------| | Default: | 0 | |--------------+---------------------------------------------| | Range: | 0-125 | |--------------+---------------------------------------------| | Unit: | Bit-mapped | |--------------+---------------------------------------------| | Description: | Controls loopback tests, analog, digital, | | | remote digital, and self tests. | |--------------+---------------------------------------------| | Bit | Value | Function | |------+-------+---------------------------------------------| | 0 | i 0 | Local analog loopback not in progress | | | | | | | 1 | Local analog loopback in progress | |------+-------+---------------------------------------------| | 1 | i 0 | Not used | |------+-------+---------------------------------------------| | 2 | i 0 | Local digital loopback not in progress | | | | | | | 1 | Local digital loopback in progress | |------+-------+---------------------------------------------| | 3 | i 0 | Modem not in remote digital loopback | | | | | | | 1 | Remote digital loopback in progress | |------+-------+---------------------------------------------| | 4 | i 0 | Remote digital loopback not requested | | | | | | | 1 | Remote digital loopback requested | |------+-------+---------------------------------------------| | 5 | i 0 | Remote digital loopback w/ self-test not in | | | | progress | | | 1 | | | | | Remote digital loopback w/ self-test in | | | | progress | |------+-------+---------------------------------------------| | 6 | i 0 | Local analog loopback w/ self-test not in | | | | progress | | | 1 | | | | | Local analog loopback w/ self-test in | | | | progress | +------------------------------------------------------------+ +------------------------------------------------------------+ | XON/XOFF PASS-THROUGH | |------------------------------------------------------------| | Type: | Configuration | |--------------+---------------------------------------------| | Format: | AT [cmds] \Xn [cmds] | |--------------+---------------------------------------------| | Description: | Selects whether XON/XOFF signals are sent | | | to remote modem | |--------------+---------------------------------------------| | Command | Function | |--------------+---------------------------------------------| | \X0 | XON/XOFF signals trapped by local modem | |--------------+---------------------------------------------| | \X1 | XON/XOFF passed through local modem | +------------------------------------------------------------+