FDX60S2 - COMNET RS232/422/485 2&4W BI-DIRECTION FDX60S2 - COMNET RS232/422/485 2&4W BI-DIRECTION $1,834.88 $1,019.38
FDX60M1A - COMNET RS232/422/485 2&4W BI-DIRECTION FDX60M1A - COMNET RS232/422/485 2&4W BI-DIRECTION $1,834.88 $1,019.38
FDX60M2M - COMNET SMALL SIZE RS232/422/485 2&4W FDX60M2M - COMNET SMALL SIZE RS232/422/485 2&4W $1,015.04 $563.91
ES-571 - Brainboxes 1PORT RS232 422/485 ETHERNET TO ES-571 - Brainboxes 1PORT RS232 422/485 ETHERNET TO $949.57 $527.54
IC133C-R2 - Black Box (2) RS232/422/485 (2) DB9 PCI B - Configure ports as RS-232 for standard serial COM ports or choose RS-422 for long-distance connections. - Each port on 2- and 4-port models can be configured independently for RS-232, RS-422, or... $740.48 $411.38
EKI-1522-CE - Advantech 2PORT RS232/422/485 SERIAL EKI-1522-CE - Advantech 2PORT RS232/422/485 SERIAL $649.91 $361.06