Multi-serial Card Converter

Optical and Electrical Isolated, Aluminum Enclosure, USB to RS-485/422 Converter with Isolation, USB V2.0, Baud Rate: 300-128,000bps, Auto Detection, Load Capacity: Supports Point to Multipoint, Max...

Plastic with Bolts, 1.5m, USB to RS-485/422 Converter USB 2.0, Point to Point or Point to Multi-point, Baud Rate: 300-921.6Kbps Auto-detect Serial Signal, Transmission Distance: 1200m (9,600bps) for...

USB to 8-port RS-232 Converter USB 2.0, 1U Enclusure, AC Power Supply, Baud Rate: 300-921.6Kbps, Auto Detection, Transmission Distance: RS-232 5m, USB No More than 5m, Operating Temperature: -40?~85?