Specifications: USB connector: to your PC RS485 connector: to your RS485 device Supports baud rate range : 75bps - 115200bps , up to 6Mbps No need external power, powered by USB port. Fully compliant USB 2.0 standard , backward compatible with USB1.1. The output terminals A (D+) and B (D-) are connected to the device. Adopt CH340 chip, support system: WindowsXP, Vista, Windows 7. Application: LED display data communication; machine PLC data read, write, and PTZ control; Centralized control of household electrical appliances; access control systems; variety of industrial automation; instrumentation; employee attendance machine; highway toll station; ATM machine. Size: 60 18 13 mm Weight7.5 g Package Content: 2 x USB to RS485 Converter Adapter.
eBay