ITEM NAME:USB to RS485 RS422 Serial Port Converter Adapter Cable For Win10/8/7/XP 1.2m Description: - Easy to install, no external power supply and physical drive required. - Supports all kinds of SCM models, single-chip STC download, LED screen control card, Modem, I SDN terminal adapter communication. - Suitable for computers or laptops with USB ports. - Suitable for tax control machines, CNC machine tools, industrial machinery, instrumentation, bar code and other serial devices. - Support USB2.0/1.0/1.1, support full speed transmission mode 12Mbps, support Win98 2000 XP, Vista, Win7 Win8 Win10, support 32-bit 64-bit system. Specification: - USB to RS485, RS232, RS422 compatible - Adopt RS485 special conversion chip, can convert RS232 signal to RS485 signal through USB interface - Support RS485 four-wire full duplex, transmission distance up to 1200 meters - Cable length: Approx. 1.2meter / 48.24inch / 3.96ft Package Included: 1 Piece Adapter cable 1 Piece Adapter.USB to RS485, RS232, RS422 compatible. - Adopt RS485 special conversion chip, can convert RS232 signal to RS485 signal through USB interface. - Cable length: Approx. 1 Piece Adapter cable. 1 Piece Adapter.