Specifications

Compatibility: USB v2.0 standard
Interface: Network:USB
Serial:RS-485/RS-422
Port: One Independent RS-485 or RS-422 ports
Connector: Network: USB-type A connector
Serial: Screw terminal
Transmission speed: 600bps to 115.2Kbps
Parity bit: odd, even, none
Data bit: 5, 6, 7, 8
Stop bit: 1, 1.5, 2
Driver Support: Windows 2000/2003/XP/Vista/7 (32bit and 64bit)
Power Consumption: 1.5W @ 5V
Max. Distance: 4000ft (1200m) @ 19.2Kbps
Case: Blue transparent ABS
Operating Temperature: -20°~+65°
Operating Humidity: 20% to 95% (non-condensing)

Overview
USB To RS485/422 converter allows PC users to connect their RS-485/422 devices to systems that use USB interface. By attaching the converter to a PC, it will no longer be necessary to open the chassis or turn off the PC to install the hub. With the converter, the user instantly gets one extra high-speed RS-485 or RS-422 ports. In addition, since the power is derived from the USB port, there are not any cumbersome power adapters.

This makes the converter especially suitable for PLCs, printers, POS system and industrial control devices.  

Package Included: 1PCS * Industrial USB To RS485/422 CH340 Converter Upgrade Protection RS485 Converter