Our F1 line appears to be 'way too long.' Our F2 line appears very clean.
I gather from a few more clues that F1 and F2 designate the lines from the CO to the major neighborhood connection box and from the connection box to individual subscriber NID's.
Can someone please set me straight which is which?
Thanks
baumgrenze
Count starting from the C.O. and work outwards.
They refer to "F"acility 1 and "F"acility 2. Starting closest to the central office each cable has a start and end point. That makes up a cable facility.
Much copper telephone plant is designed with multiple cable facilities. The F1 facility will run from the Central Office to a cross connection box in the neighborhood. From the cross box there will be cable facilities that feed the neighborhood. These are the F2 facilities. If there was yet another cross connection box, it would then be an F3 facility. You don't normally see too many of these.
Typically there will be more F2 pairs coming out of the box than F1 pairs feeding it. This is because there are spare pairs in the F2 facility for trouble purposes and also to accommodate second and third lines.
It used to be 2 to 1, bit that ratio can change depending on the residential/business makeup of the neighborhood.
Hope this helps.
John
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