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That's how you detect improper pairings. Remember to check both ends each time. Arrived rather slowly, taking several days to traverse 150 miles. Worked just fine.
Works with Cat6 & RJ11 modulars. Device will tell you if the 8 wires are connected correctly standard B or A.
To keep cable to the correct length measure off or use another cable no longer than 100 feet. Since it is a basic device it will not tell you the length of the cable run.
Great product to use in the installation of UTP cable. Connect it to ends of jacks.
Uses 9 volt battery not included. Used it to install structured media case for internet Cat6, telephone Cat3 and cable RJ59 around the whole house.
Handy device to check pin continuity.
I can't justify spending more money for this type of tester, as there really isn't much to these units.Gregg Kulback This particular unit is a must have any IT personnel. It works great, and includes a nice case for storage.
It worked beautifully for about twenty minutes, but then died on me. I had assumed that this message was merely a safety warning, and not something I needed really to concern myself with.
And I predict it will work great for me. Newbie mistake.I will be buying another one, and this one I will test only on dead lines.
The company I work for is getting new VOIP phones in the near future, and as part of this project I needed to tone our ethernet lines. I have only myself to blame though, as it states all over the tester that it is "not for live circuits".
So a word of warning to other newbs, really do only use it on dead lines. I read a few reviews, and ended up buying this tester along with the Trendnet TC-TP1 Probe.
Even though there is only two-and-a-half volts passing down cat5 cable, apparently that is enough to fry it.
I did not tell them that its all in the tools and knowing how and when to use them. Customer thought I was a trouble-shooting genius. Be prepared and git yourself one. If you are walking into a cabling cluster-mess you will need this. Found cabling issues that others worked around.
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