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BeGentleWithMe-INeedHelpFlag for United States of America asked on

Cabling 25 pair telco tone set ringing out a single pair

Related to another question I just posted.

Old building with loads of 66 blocks / 25 pair cables / cross connects all over the place.

I have a tone set and a phone acting as a butt set.

I have a 4 pair wire going to a jack on 3rd floor.  I assume it goes from the 2 pair wire to a 66 to 25 pair cables, etc. etc. to the basement 66 block.

I can put the tone generator on a pair on that 4 wire jack and hear it on the 66 block in the basement, but how do I know exactly which pair it is downstairs. Yes the tone probe seems to indicate approximately what pair on the 66 block, but there's several pairs in that area (it's a split 66 block).   how do I know for sure? what tools do I need?
Networking Hardware-OtherNetwork OperationsNetworking

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sanjayrajt

8/22/2022 - Mon
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sanjayrajt

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BeGentleWithMe-INeedHelp

touch blue and white at far end when the tone generator with light is at the other end? really need 2 people then?
sanjayrajt

Hi,
yes.first you find the color code connect the equipment one end and go to another end find the color code of cable and do testing.If you can only need one or two cables you can find your self.Other wise you need two people.
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