8-Port RS-232/422/485 serial communications board
DNx-SL-508
4-port, synchronous serial communications, HDLC, and SDLC protocol support
DNx-SL-504
4-port, CAN bus interface board
DNx-CAN-503
ARINC 429 Interface board with 6 TX and 6 RX channels
DNx-429-566
Dual Channel MIL-STD-1553 interface board
DNx-1553-553