waveshare Industrial Isolated 8-ch RS485 Hub, Extend 8-ch RS485 Slave Ports via 1-ch RS485 Master Port,with Isolation and Relay,Support Rail-Mount, 300~460800bps (Self-Adaptive) Baud Rate, DC 9~24V

Isolated 8-ch RS485 hub Extends 8-ch RS485 slave ports via 1-ch RS485 master port, with isolation and relay^^Supports RS485 network relay, extension and isolation functions Network Relay, Network extension, Network isolation.
^^Connection diagram: The isolated RS485 master port can be connected to the RS485 host device, and the extended 8-ch isolated RS485 port can be connected to various RS485 slave devices, such as RS485 sensors, etc.
^^Industrial isolation protection: Built-in photoelectric isolation protection circuit, can effectively isolate RS485 master and slave devices to avoid the damage of ground potential difference between devices, anti-electrostatic, lightningproof & anti-surge, which is suitable for the industrial environment with high reliability and safety requirements.
^^Wide baud rate range: Supports 300460800bps wide baud rate communication range (self-adaptive).
Rail-Mount Support: Supports 35mm standard guide rail, with rail-mount buckle, easy to install.