ITEM NAME:USB ToUSB to RS422/RS485 Serial Converter Adapter Cable w/ Chip Windows Linux 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. 0.5meter / 19.69inch / 1.64ft Package Includes: 1 Piece Adapter cable 1 Piece Adapter SKU: ALU0034247963014488.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.