Industrial USB TO 4Ch RS485 Converter Module,Universal Serial Communication, Support 1200bps 460800bps Baudrate,Multiple Protection Circuits,Compatible with Win7/8/8.1/10/11, Mac, Linux, Android

Extending USB to 4CH RS485, allows concurrent and independent communication for each channel Onboard TVS (Transient Voltage Suppressor), effectively suppress surge voltage and transient spike voltage in the circuit, lightningproof & anti-electrostatic Onboard RS485 output terminal 120R resistors, enabled/disabled via DIP switch Onboard resettable fuse and protection diodes, ensures the current/voltage stable outputs, provides over-current/over-voltage proof, improves shock proof performance Aluminium alloy case with oxidation dull-polish surface, CNC process opening, solid and durable, well-crafted