Thành lập 10 sản phẩm dành cho:
4 pair twisted shielded cable
Bộ chuyển đổi tín hiệu Micro Usb VCC Rs485 Rs422 cho máy tính
USB to RS485 RS422 Converter Product Description This is an universal USB to RS-485/422 converter, there is no need of external power supply. It complies with USB, RS422, and RS-485 standards; it converts USB signal to a balanced differential RS-422 or RS-485 signal. The built-in fast instant voltage restraint is designed to protect RS-422/RS-485 interface; it adopts advanced TVS (TRANSIENT VOLTAGE SUPPRESSOR) instant voltage restraint; normally, TVS tube is in high impedance
