Features:
1. Expand USB to 4-channel RS485, allowing each channel to communicate concurrently and independently
2. Onboard TVS (transient voltage suppressor), effectively suppresses surge voltages and transient peak voltages in the circuit, and protects against lightning and static electricity
3. Onboard self-restoring fuse and protection diode ensure stable current/voltage output, provide over-current/over-voltage protection, and improve shock-proof performance
4. Onboard RS485 output terminal 120R resistor, enabled/disabled by DIP switch
5. Aluminum alloy shell, oxidized matte surface, CNC process opening, sturdy and durable, excellent workmanship

Product parameters:
1. Host port: USB
2. Device interface: RS485
3. Baud rate: 1200bps-460800bps
4. USB:
Working voltage: 5V
Connector: USB-B
Protection: 500mA resettable fuse, ESD protection
Transmission distance: about 5m
5.RS485
Conn