Specification:
1. This converter uses a high-performance ch340T chip supports most operating system (including for Window & Linux)
2. Baud Rate Range: 300 ~ 115200bsp!
3. With TVS surge for protection, strict requirements for product design by industry
4. All at a glance. Board with three indicators. One is the power indicator: USB normal power light (red), one computer via USB to 422 (485), and then send out the data indicator (red), there is a 422 (485) to receive data computer uploading data received indicator (green) light.
5. Very easy to carry, with the ordinary U disk almost.
6. The converter is a USB2.0 interface, for USB1.1.
7. PC through data cable directly into the top on it, no external power supply.
Cable length:81cm/31.88inch

Pin definition:
USB-422 terminal definitions
1 --------------- R-(receive)
2 --------------- R+ (receive)
3 --------------- T-(send)
4 --------------- T+ (send)
5 --------------- GND (ground)
USB-485 terminal definitions
1 --------------- empty
2 --------------- empty
3 --------------- B-(485 mode)
4 --------------- A (485 mode)
5 ----- GND (ground)

Package include:
1pc 2 in 1 USB to 485 USB to 422 Converter Adapter
1pc USB cable