RS485 conversion cable (20): USB to RS485 serial converter, which makes it easy to connect USB and serial devices, and enables serial devices to have plug-and-play, hot-swap and other functions. It can meet all kinds of serial devices connected to notebooks, and is suitable for communication with mini phones, digital cameras, MODEM, and ISDN terminal adapters. Compliant with USB20 and compatible with USB11 standard Using high-speed PL2303 device, better compatibility and more stable transmission Suitable for RS485 interface, support remote wake-up and management Faster and faster installation USB port to serial communication transmission speed up to 5Mbps Specially designed to connect industrial control: high-performance equipment such as access control, punch card, monitoring, etc. For Win98/SE/2000/XP, OS v86 or higher Suitable for on-board computers with RS485 interface, CNC machine tools, industrial instruments, meters, monitoring systems for testing equipment, automation control equipment and notebooks, etc. Operating temperature: 0 to 70 Celsius (32 to 158 Fahrenheit), 5 to 95% RH Storage temperature : -20 to 85 Celsius (-4 to 185 Fahrenheit), 5 to 95 % RH Colour:Photo Color Material:Plastic + Metal Package Contents: 1 * USB 20 to -485/-422 Adapter Cable 1 * 6 pin Terminal Board 1 * Driver CD(The color is random, the specified color is not accepted) Only the above package content, other products are not included. Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.