Wondering about standards compliance and testing requirements for extended-length twisted pair cabling? Sometimes there is pressure to connect a device beyond the guidance of the cabling standards. In an extended-reach channel, the installation will not be standards compliant. This may mean that the application support will be limited to certain data rates, certain cables and components, certain installation conditions, or is tied to certain types of network equipment. It could mean that the application support is not assured by the network equipment manufacturer, and instead falls to the cabling vendor. That might be just fine with your customer, but it’s best to make sure. You should educate them about the solution and the implications of non-standards compliant cabling. And just because something isn’t standards compliant, doesn’t mean you don’t have to test it.
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