Startech.com Icusb422Is 1 Port Serial Adapter Card($142.49Value)

Description

Optical Isolation and Surge Protection (2500 Vrms) Supports DB9 and terminal block connector RS-485 mode supports Auto Transceiver Turn Around (ATTA) Compatible with both USB 2.0 and USB 1.1 RS422/485 Baud rate up to 921.6 Kbps Supports 4-wire RS422...