1. Interface standard: compliant with RS485 standard
2. Physical interface: RS485 wiring terminal
3. Communication rate: 300-460800bps baud rate (adaptive)
4. Support points: each RS485 interface can support up to 32 nodes
5. Communication distance: 1200m (9600bps), the higher the communication rate, the shorter the distance
6. Working mode: RS485 two-wire (A, B), half-duplex transparent transmission
7. Power supply voltage: DC 9-24V
8. Transmission medium: ordinary parallel wire/twisted pair
9. Size: about 12.1 x 7.2 x 3cm

Features:
1. 8-way RS485 slave port can be extended by one 485 master port with isolation and relay
2. RS485 network relay, extension and isolation functions can be realized
3. The isolated RS485 interface at the RS485 master port can be connected to RS485 master control devices, and the extended 8-way isolated RS485 interface can be externally connected to various RS485 slave