COMMS4PSD

• 80C31
• 32k RAM-Battery backup
• 64k ROM PSD312
• 128k Flash memory AT29C010
• 1x RS-232 async serial port
• 4x RS-232/RS-485 serial SC26C92
• I2C
• Clock
• I/O-systeem:
  8x dipswitch, 8x leds
  frontpanel-switch
• Watchdog
• Voltage regulated power supply
  12-24 Vdc