<html><head></head><body>Best bet is to buy a cable tester. Barring that, use a radio and make an adapter with alligator clips that uses the earphone jack as a signal source and a speaker on the other end.<br><br>If a single wire is damaged and your connection doesn't require 8, just swap a pair of unused for damaged on both ends. Electrons are color blind 😁. Some labels explaining the change will help for later.<br><br>It may be possible to use the damaged wire bundle to pull a new cable. Plenum rated wire is tough and easy to pull. <br><br><div class="gmail_quote">On August 15, 2019 8:08:47 PM EDT, Derek Atkins via Ale <ale@ale.org> wrote:<blockquote class="gmail_quote" style="margin: 0pt 0pt 0pt 0.8ex; border-left: 1px solid rgb(204, 204, 204); padding-left: 1ex;">
<pre class="k9mail">HI,<br><br>I am renovating my house and pulling lots of wire. I pulled some Cat5e<br>for some in-house PoE IP Cameras and one wire appears to have been clipped<br>by the mudders. They ripped the outside insulation and appear to have<br>nicked one of the wires -- looks like the blue. Doesn't look like the<br>broke the wire, just grazed it. Unfortunately they did it just where the<br>cable exits the wall, with no slack inside the wall (but a good 10-20 feet<br>rolled up outside, past the nick! OOPS).<br><br>I know my cameras are only 100mbps.<br><br>According to <a href="https://en.m.wikipedia.org/wiki/Power_over_Ethernet">https://en.m.wikipedia.org/wiki/Power_over_Ethernet</a> it looks<br>like PoE with 100BaseT may leave the blue (and brown) wires unused, if<br>it's using mode PoE A. How do I know what PoE mode the switch (a Unifi<br>US-48-750) and my camera will use?<br><br>In a related note, what is the best way to test if the wire is still okay<br>or if it got sliced? I can't tell by looking at it. It doesn't look cut,<br>just a bit stripped.<br><br>Any suggestions (short of asking my contractor to re-run the cable?)<br><br>-derek<br><br>PS: Linux related because I am running zoneminder on a linux box :)<br></pre></blockquote></div><br>-- <br>Sent from my Android device with K-9 Mail. All tyopes are thumb related and reflect authenticity.</body></html>