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COMMFRONT Industrial RS485 Opto-Isolated Hub/Splitter/Repeater, 2500V Optical Isolation, Supports 4x128 RS-485 nodes (Expandable), DIN-Rail/Wall/Panel Mount : Electronics - Amazon.com
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Amazon.com: COMMFRONT Industrial RS485 Opto-Isolated Hub/Splitter/Repeater, 2500V Optical Isolation, Supports 4x128 RS-485 nodes (Expandable), DIN-Rail/Wall/Panel Mount : Electronics
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USB-4630 - Advantech
USB 8 Opto-Isolated Digital Inputs Module - Denkovi A E LTD
![Industrial Opto-Isolated RS485 Hub/Splitter RS485 Star Wiring Topology Splitter [HUB-485-4] - $149.95 : RS232 RS485 RS422 TTL USB Serial Fiber Optic Converter / Ethernet Data Converters, Data Converters](http://www.data-converters.com/images/Isolated-RS485-Hub-Splitter.jpg "Industrial Opto-Isolated RS485 Hub/Splitter RS485 Star Wiring Topology Splitter [HUB-485-4] - $149.95 : RS232 RS485 RS422 TTL USB Serial Fiber Optic Converter / Ethernet Data Converters, Data Converters")
Industrial Opto-Isolated RS485 Hub/Splitter RS485 Star Wiring Topology Splitter [HUB-485-4] - $149.95 : RS232 RS485 RS422 TTL USB Serial Fiber Optic Converter / Ethernet Data Converters, Data Converters
