... term management and integration costs. Features: 1. USB to 4-port RS-485/422 converters2. Single chip(ASIC) USB ... 12Mbps7. 15KV ESD protectionSpecifications:USBCompliance: USB1.1/2.0 compliantUSB signal: VCC, DATA+,DATA-,GNDSpeed: 480Mbps(high-speed), 12Mbps( ... mode: Asynchronous, point to point, 2 wires half duplex, 4 wires full duplex Transmission: 1200mInterface protection: 1500W surge protection, ...