USB to RS485 Two-Way Converter Adapter Module with Protection

Specifications
Compatibility: USB v2.0 standard
Interface: Network:USB
Serial:RS-485
Port: One Independent RS-485
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 converter allows PC users to connect their RS-485 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 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.