Specification:
1. This converter uses a high-performance ch340T chip supports most operating (including for Window & )
2. Rate : 300 ~ 115200bsp!
3. With for , strict requirements for product design by industry
at a glance. Board with three indicators. is the power : USB normal power light (red), computer via USB to 422 (485), and then send out the data (red), there is a 422 (485) to receive data computer uploading data received (green) light.
5. Very easy to carry, with U disk almost.
6. The converter is a USB2.0 , for USB1.1.
7. PC through data cable directly into the top on it, external power supply.

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

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