4 channels of high performance multi-mode serial RS232 / TTL / RS422 / RS485 interface; Programmable baud rates up to 2MBit/s, asynchronous or synchronous protocols; Vectored interrupt; Support of full modem controls; Operating temperature 0°C to +70°C

8 channels of high performance RS232/TTL/RS422 asynchronous serial interfaces; Programmable baud rates up to 115.2kbaud / 460kbaud; Vectored interrupt; 64 byte receive FIFO and 64 byte transmit FIFO per channel, programmable trigger levels for FIFO's; ESD protected RS232/RS422 line driver/receiver up to 15KV according to IEC1000-4-2; Operating temperature 0°C to +70°C (TIP866-xx) and -40°C to +85°C (TIP866-xx-ET)

8 channels of high performance RS485 serial interface; Programmable baud rates up to 2Mbps; Vectored interrupt; Support of Dx+/-, and GND or Dx+/-, CLK+/- and GND per channel; 8 byte receive FIFO and 4 byte transmit FIFO per channel; Transition modules TIP866-TM-x0 can be used; Operating temperature 0°C to +70°C