T1/DS1 Troubleshooting
A few days ago I had to extend 4 circuits over a distance of about 600
feet using house pairs in a high-rise building. I then tested all 4
extensions for wiremap and other faults (including split pairs) and all
4 passed. After patching the extensions into the appropriate smart
jacks, I had the LEC test the circuits while I used a loopback plug.
Three of the circuits tested fine, but on one circ ..
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