Home Networking

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Testing Ethernet (alien.top)

submitted 9 months ago by [email protected] to c/[email protected]

3 comments fedilink hide all child comments

I did a run of Ethernet and had a single cable not showing up on the tester. Is there a way to see if it is the termination or if The cable got damaged while routing it.

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[–] [email protected] 1 points 9 months ago

Is there a way to see if it is the termination or if The cable got damaged while routing it.

Yes.

Better testers have a "cable length" mode, this can show approximately where the signal is interrupted.

Mid-priced cable testers, when they offer this mode, use capacitance. This is inexact, but will likely suffice for your needs.
Expensive test tools may instead have a Time Domain Reflectometer (TDR). Prices range from a couple hundred bucks to well into the thousands.

Either way, test the cable from each end, and if the length of the faulty pair is different when testing from one termination than from the other, that should tell you if the problem is in the termination or in the wall.

[–] [email protected] 1 points 9 months ago

What tester are you using? Do you have a multimeter or an ohm meter available

[–] [email protected] 1 points 9 months ago

Are you testing rj45 plug or keystone jack