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by EvanAnderson
1066 days ago
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Given the myriad forethought, procedures, standards, and quality checks with which AT&T handled their network (pre-divestiture) I'd bet a lot telco cable plant is nowhere near "end of life". It's just at "end of profitable life". |
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Both PIC and Lead Cable pinhole overtime, the life of areal (either PIC or Leaded) cable is 30-50 years, the life of buried cable is 50-90 - all of this cable exceeds that point, and must be replaced.
The phone switches that are connected to the cable are all near or over 40 years old, and closer to 45-50 years old in design, the spares pool is surprisingly healthy (because so many switches have been decommed) but the software that runs of these switches is also near end of life - and in the sustaining engineering phase of its lifecycle.
There may be a life for some copper cable, but it will be literally the last mile. Which is a lot smaller in scope than what we have now.