Linux kernel 2.4.x, Linux kernel 2.6.x, Linux kernel 3.x, Linux kernel 4.x, Linux kernel 5.x

2 Port UPCI Board, RS-232/422/485, w/Isolation, Low Profile, Wide Temperature

4 Port UPCI Board, w/o Cable, RS-232/422/485, LowProfile

4 Port UPCI Board, RS-232/422/485, LowProfile, Wide Temperature

4 Port UPCI Board, w/DB9M Cable, RS-232/422/485, w/Isolation, Low Profile

4 Port UPCI Board, w/o Cable, RS-232/422/485, w/Isolation, Low Profile

4 Port UPCI Board, w/DB25M Cable, RS-232/422/485, w/Isolation, Low Profile