TJKH KH523F-4M RS485 Hub 4-Channel Optical Isolation Repeater 2500V Surge Protection 3000m Distance for Outdoor Power Monitoring
Category :
Electronics > Networking
Product Description
Built-in 1500VRMS optical isolation + 600W surge protection.
It effectively defends against lightning strikes, ESD, and common-ground interference, ensuring stable communication in complex electromagnetic field environments for outdoor use.
Equipped with a built-in conversion processor that automatically senses data flow direction and switches the enable circuit.
It easily solves RS485 transmission/reception delay delays.
Supports full-asynchronous half-duplex mode with plug-and-play functionality, no jumper settings required.
Features DC 9-40V wide voltage external power supply, suitable for various outdoor scenarios; Supports RS485 transmission distance up to 0-3000 meters (at 9600-115200bps), with a theoretical load capacity of 128 devices per interface.
short-circuit and open-circuit protection for each port.
Faulty network segments are automatically isolated without affecting other channels.
Widely used in highway toll systems, road monitoring, and power collection systems.
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