CALPAK CORPORATION ================== MX-2400 Modem Type Data (synchronous/asynchronous) Maximum Data Rate 2400bps Data Bus 8-bit ISA Data Modulation Protocol Unidentifed +------------------------------------------------------------+ | CONNECTIONS | |------------------------------------------------------------| | Purpose | Location | Purpose | Location | |-------------------+----------+------------------+----------| | Line out | CN1 | Line in | CN2 | +------------------------------------------------------------+ +------------------------------------------------------------+ | BASE I/O ADDRESS SELECTION | |------------------------------------------------------------| | Port | SW1/A | SW1/C | SW1/E | SW1/F | |----------------+----------+----------+----------+----------| |>> COM1: (3F8h) | Off | On | Off | On | |----------------+----------+----------+----------+----------| | COM2: (2F8h) | On | Off | Off | On | |----------------+----------+----------+----------+----------| | COM3: (3E8h) | Off | On | On | Off | |----------------+----------+----------+----------+----------| | COM4: (2E8h) | On | Off | On | Off | +------------------------------------------------------------+ +------------------------------------------------------------+ | INTERRUPT SELECTION | |------------------------------------------------------------| | IRQ | SW/B | SW1/D | JP1 | |------------+-------------+-------------+-------------------| | 3 | On | Off | Pins 2 & 4 closed | |------------+-------------+-------------+-------------------| |>> 4 | Off | On | Pins 2 & 4 closed | |------------+-------------+-------------+-------------------| | 5 | Off | Off | Pins 3 & 4 closed | |------------+-------------+-------------+-------------------| | 7 | Off | Off | Pins 1 & 2 closed | |------------------------------------------------------------| | Note: Location of JP1 is unidentified. | +------------------------------------------------------------+ Proprietary AT Command Set +------------------------------------------------------------+ | BIT-MAPPED REGISTER S14 | |------------------------------------------------------------| | Format | AT [cmds] S14=n [cmds] | |-----------------+------------------------------------------| | Example: | ATS14=0 | |-----------------+------------------------------------------| | Default: | Unidentified | |-----------------+------------------------------------------| | Range: | 0-174 | |-----------------+------------------------------------------| | Unit: | Bit-mapped | |-----------------+------------------------------------------| | Description: | Controls echo, result codes, result code | | | display, dial mode, smart/dumb mode and | | | answer/originate mode. | |------------------------------------------------------------| | Bit | Value | Function | |----------+------------+------------------------------------| | 0 | 0 | Not used. | |----------+------------+------------------------------------| | 1 | 0 | Command echo disabled. | | | | | | | 1 | Command echo enabled. | |----------+------------+------------------------------------| | 2 | 0 | Result codes enabled. | | | | | | | 1 | Result codes disabled. | |----------+------------+------------------------------------| | 3 | 0 | Display result codes in numeric | | | | format. | | | 1 | | | | | Display result codes in verbose | | | | format. | |----------+------------+------------------------------------| | 4 | 0 | Smart mode. | | | | | | | 1 | Dumb mode. | |----------+------------+------------------------------------| | 5 | 0 | Tone dial enabled. | | | | | | | 1 | Pulse dial enabled. | |----------+------------+------------------------------------| | 6 | 0 | Not used. | |----------+------------+------------------------------------| | 7 | 0 | Answer mode enabled. | | | | | | | 1 | Originate mode enabled. | +------------------------------------------------------------+ +------------------------------------------------------------+ | BIT-MAPPED REGISTER S21 | |------------------------------------------------------------| | Format | AT [cmds] S21=n [cmds] | |----------------+-------------------------------------------| | Example: | ATS21=0 | |----------------+-------------------------------------------| | Default: | Unidentified | |----------------+-------------------------------------------| | Range: | 0-253 | |----------------+-------------------------------------------| | Unit: | Bit-mapped | |----------------+-------------------------------------------| | Description: | Selects jack type, CTS signal, low DTR | | | action, DCD signal, DSR signal, and the | | | Long Space Disconnect function. | |------------------------------------------------------------| | Bit | Value | Function | |----------+-------+-----------------------------------------| | 0 | 0 | Selects RJ-11 jack. | | | | | | | 1 | Not used. | |----------+-------+-----------------------------------------| | 1 | 0 | Serial | | | | | | | 1 | Paralell | |----------+-------+-----------------------------------------| | 2 | 0 | CTS follows RTS. | | | | | | | 1 | CTS forced high (synchronous only). | |----------+-------+-----------------------------------------| | 4, 3 | 00 | DTR signal ignored. | | | | | | | 01 | Modem goes to command mode on low DTR. | | | | | | | 10 | Modem disconnects on low DTR. | | | | Auto-Answer is disabled. | | | 11 | | | | | Modem is initialized on low DTR. | |----------+-------+-----------------------------------------| | 5 | 0 | DCD forced high. | | | | | | | 1 | DCD normal. | |----------+-------+-----------------------------------------| | 6 | 0 | DSR forced high. | | | | | | | 1 | DSR normal. | |----------+-------+-----------------------------------------| | 7 | 0 | Long Space Disconnect function | | | | disabled. | | | 1 | | | | | Long Space Disconnect function enabled. | +------------------------------------------------------------+ +------------------------------------------------------------+ | BIT-MAPPED REGISTER S22 | |------------------------------------------------------------| | Format | AT [cmds] S22=n [cmds] | |----------------+-------------------------------------------| | Example: | ATS22=0 | |----------------+-------------------------------------------| | Default: | Unidentified | |----------------+-------------------------------------------| | Range: | 0-127 | |----------------+-------------------------------------------| | Unit: | Bit-mapped | |----------------+-------------------------------------------| | Description: | Controls speaker volume and controls, and | | | limits results codes. | |------------------------------------------------------------| | Bit | Value | Function | |-----------+-------+----------------------------------------| | 1, 0 | 00 | Off volume. | | | | | | | 01 | On volume. | | | | | | | 10 | Medium level volume. | | | | | | | 11 | High level volume. | |-----------+-------+----------------------------------------| | 3, 2 | 00 | Speaker off. | | | | | | | 01 | Speaker off on carrier. | | | | | | | 10 | Speaker always on. | | | | | | | 11 | Speaker on during handshake. | |-----------+-------+----------------------------------------| | 6, 5, 4 | 000 | Basic result codes only enabled. | | | | | | | 100 | Basic and connection speed result | | | | codes enabled. | | | 101 | | | | | Basic and connection speed result | | | 110 | codes and dialtone detection enabled. | | | | | | | 111 | All result codes except dialtone | | | | detection enabled. | | | | | | | | All result codes enabled. | +------------------------------------------------------------+ +------------------------------------------------------------+ | BIT-MAPPED REGISTER S23 | |------------------------------------------------------------| | Format | AT [cmds] S23=n [cmds] | |------------------+-----------------------------------------| | Example: | ATS23=0 | |------------------+-----------------------------------------| | Default: | Unidentified | |------------------+-----------------------------------------| | Range: | 0-189 | |------------------+-----------------------------------------| | Unit: | Bit-mapped | |------------------+-----------------------------------------| | Description: | Grants/denies remote digital loopback, | | | controls DTE rate and parity, and sets | | | guard tone. | |------------------------------------------------------------| | Bit | Value | Function | |------------+--------+--------------------------------------| | 0 | 0 | Remote digital loopback denied. | | | | | | | 1 | Remote digital loopback allowed. | |------------+--------+--------------------------------------| | 3, 2, 1 | 00 01 | Sets serial port speed to 0-300bps. | | | 10 11 | | | | | Sets serial port speed to 600bps. | | | | | | | | Sets serial port speed to 1200bps. | | | | | | | | Sets serial port speed to 2400bps.. | |------------+--------+--------------------------------------| | 5,4 | 00 | Parity even. | | | | | | | 01 | Space Parity. | | | | | | | 10 | Parity odd. | | | | | | | 11 | Mark/No Parity. | |------------+--------+--------------------------------------| | 7, 6 | 00 | Guard tone disabled. | | | | | | | 01 | Guard tone 550Hz enabled. | | | | | | | 10 | Guard tone 1800Hz enabled. | +------------------------------------------------------------+ +------------------------------------------------------------+ | BIT-MAPPED REGISTER S27 | |------------------------------------------------------------| | Format | AT [cmds] S27=n [cmds] | |-----------------+------------------------------------------| | Example: | AT S27=0 | |-----------------+------------------------------------------| | Default: | Unidentified | |-----------------+------------------------------------------| | Range: | 0 - 108 | |-----------------+------------------------------------------| | Unit: | Bit-mapped | |-----------------+------------------------------------------| | Description: | Selects sync/async mode, Line type, | | | internal clock, and ITU-T/Bell modes. | |------------------------------------------------------------| | Bit | Value | Function | |------------+-------+---------------------------------------| | 3, 1, 0 | 000 | Asynchronous mode, serial port speed | | | | follows connect speed. | | | 001 | | | | | Asynchronous command mode and | | | 010 | synchronous connect mode. | | | | | | | 011 | Asynchronous command mode and | | | | synchronous connect mode, DTR dialing | | | 100 | enabled. | | | | | | | | Asynchronous command mode on low DTR, | | | | synchronous connect mode on high DTR. | | | | | | | | Hayes AutoSync(TM) mode - serial port | | | | locked at 9600bps. | |------------+-------+---------------------------------------| | 2 | 0 | Dial up line. | | | | | | | 1 | Leased line. | |------------+-------+---------------------------------------| | 5, 4 | 00 | Internal DCE transmit clock source. | | | | | | | 01 | External DTE transmit clock source. | | | | | | | 10 | Remote DCE transmit clock source. | |------------+-------+---------------------------------------| | 6 | 0 | CCITT mode. | | | | | | | 1 | Bell mode. | +------------------------------------------------------------+ +------------------------------------------------------------+ | TEST MODES | |------------------------------------------------------------| | Format | AT [cmds] S16=n [cmds] | |---------------+--------------------------------------------| | Example: | ATS16=0 | |---------------+--------------------------------------------| | Default: | Unidentified | |---------------+--------------------------------------------| | Range: | 0-125 | |---------------+--------------------------------------------| | Unit: | Bit-mapped | |---------------+--------------------------------------------| | Description: | Controls loopback tests, analog, digital, | | | remote digital, and self tests. | |------------------------------------------------------------| | Bit | Value | Function | |---------+-------+------------------------------------------| | 0 | 0 | Local analog loopback not in progress. | | | | | | | 1 | Local analog loopback in progress. | |---------+-------+------------------------------------------| | 1 | 0 | Not used. | |---------+-------+------------------------------------------| | 2 | 0 | Local digital loopback not in progress. | | | | | | | 1 | Local digital loopback in progress. | |---------+-------+------------------------------------------| | 3 | 0 | Modem not in remote digital loopback. | | | | | | | 1 | Remote digital loopback in progress. | |---------+-------+------------------------------------------| | 4 | 0 | Remote digital loopback not requested. | | | | | | | 1 | Remote digital loopback requested. | |---------+-------+------------------------------------------| | 5 | 0 | Remote digital loopback w/ self-test not | | | | in progress. | | | 1 | | | | | Remote digital loopback w/ self-test in | | | | progress. | |---------+-------+------------------------------------------| | 6 | 0 | Local analog loopback w/ self-test not | | | | in progress. | | | 1 | | | | | Local analog loopback w/ self-test in | | | | progress. | +------------------------------------------------------------+