["Specification:\n1. This converter uses a high-performance ch340T chip supports most operating system (including for Window & Linux)\n2. Baud Rate Range: 300 ~ 115200bsp!\n3. With TVS surge for protection, strict requirements for product design by industry\n4. 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.\n5. Very easy to carry, with the ordinary U disk almost.\n6. The converter is a USB2.0 interface, for USB1.1.\n7. PC through data cable directly into the top on it, no external power supply.\n\nPin definition:\nUSB-422 terminal definitions\n1 --------------- R-(receive)\n2 --------------- R+ (receive)\n3 --------------- T-(send)\n4 --------------- T+ (send)\n5 --------------- GND (ground)\n USB-485 terminal definitions\n1 --------------- empty\n2 --------------- empty\n3 --------------- B-(485 mode)\n4 --------------- A (485 mode)\n5 ----- GND (ground)\n\nPackage include:\n1pc 2 in 1 USB to 485 USB to 422 Converter Adapter\n1pc USB cable"]