1、Industrial‑grade USB to RS485 RS422 converter, allow you to easily connect any RS485 or RS422 device directly to the USB port of your computer. 2、A small, compact converter, small and exquisite, convenient to carry and use at any time, very convenient and practical. 3、Use spin‑on terminals to make your connection safe, simple and reliable, strip your wire, insert and tighten the wire. 4、Built‑in 15KV ESD protection and TVS over‑voltage protection, enough for you to deal with different occasions. 5、Have wide application, suitable for Windows 10/ 7(32/64bit)/Vista 2008/ XP/2003/OS X, etc. Item Type: USB to RS485 / RS422 Serial Communication Data Converter Material: ABS Purpose: Application Scenario: Cash register/PLC/access control system/bar code printer/scanner/CNC hotbed/industrial instrument Interface Compatible: USB2.0, RS485/RS422 standard Working Mode: 2-wire asynchronous half-duplex differential 4-wire asynchronous full duplex Load Capacity: Support point-to-multipoint, each with 32 RS422 or RS485 interface devices Support: For Windows 98/ME/2000/XP/Win7 and above, for Linux/OS X Protection Level: 600W thunder surge protection for each line of RS485/RS422 interface Operating Temperature: -40-85℃, relative humidity is 5%-95%RH 1 x USB to RS485 / RS422 Serial Communication Data Converter