
I use these to isolate our Comcast office cable modem from our switch and router. Lightning blew up our modem and router and damaged the switch ports. Now he can't. Hardware: Ubiquity Mikrotik CCR-1009-8G-1S-1S+ 48-Port PoE Switch

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π CERRXIAN RS232 to Ethernet Serial Device Server - TCP/IP Converter with 1Port DB9 RS232 Serial to Ethernet Connectivity
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