PHONE: 949.338.8078
FAX: 949.495.4648
30322 Grande Vista Ave
Laguna Niguel, CA 92677
4-port serial interface, modular, with/without optical isolation, 3.3V/5V
  • This Model has a 37-pin D-Sub male connector
  • RS232, RS422, RS485, 20 mA Current Loop
  • Modular structure through SI modules
  • With or without optical isolation
  • Mode configuration free for each port
  • 128-byte FIFO-buffer, common interrupt
  • Transfer rate programmable up to 115,200 Baud
  • Option: up to 1 MBaud for RS485 and RS422
  • Automatic direction recognition for RS48
  • Mode: configurable RS232, RS422, RS485, 20 mA Current Loop (active, passive) with or without isolation (SI modules)
  • Transmission mode asynchronous, full, half duplex
  • Transfer rate: progr. up to 115.2 kBaud up to 1 MBaud on request
  • Protocol: 5, 6, 7 or 8-bit character 1, 1? or 2 stop bits
  • Parity: even, odd, none, mark or space
  • Interrupt lines: automatic through BIOS

    (Connection example: see datasheet - pdf)

    SI modules: Please order the modules separately!
    MX232-G: RS232 mode with optical isolation
    MX232: RS232 mode
    MX422-G: RS422 mode with optical isolation
    MX422: RS422 mode
    MX485-G: RS485 mode with optical isolation
    MX485: RS485 mode
    MXTTY: Current Loop mode (active, passive) 20 mA constant current with optical isolation

    ST075: Shielded round cable, 37-pin to 4 x 9-pin
    ST074: Shielded round cable, 37-pin to 4 x 25-pin

    Opt. Quarz: up to 1 MBaud transfer rate for RS232, RS422, RS485, PMTTY

Program / Software Information
    Manuals, software, data sheets, etc., are downloadable from:

Ordering Information