8-Port RS-232/422/485 serial communications board
DNx-SL-508
4-port, RS-232/422/485 serial communications board
DNx-SL-501
4-port, CAN bus interface board
DNx-CAN-503
ARINC 429 Interface board with 6 TX and 6 RX channels
DNx-429-566
MIL-STD-1553 Dual Channel Interface Board
DNx-1553-553