Acces I/O PC/104 4-Port Serial Communication Board(0) No Reviews yet $196.00 Quantity discounts available QuantityPrice1 – 9$196.0010 – 49$192.0050 – 99$187.00100 +$182.00 SKU: 1ACM4SM Quantity -+ Add to Cart Details 4-port field selectable RS-232/422/485 serial communication board. MPN: 104-COM-4SM DetailsBackDetails4-port field selectable RS-232/422/485 serial communication board. MPN: 104-COM-4SM Reviews 0 BackRatings & ReviewsNo reviews availableBe the first to Write a Review