A POTS circuit necessarily terminates on a piece of gear with a specific CLLI, 
generally discernable at order time.

What that gear will be, and if it's in a CO with a "real" battery plant is also 
known in advance.

And, to tie it back on topic, the odds of a core router being in a place where 
its serving switch is /not/ a real CO are, I speculate, comfortably below 10%.

- jra

William Herrin <b...@herrin.us> wrote:

>On Fri, Jan 11, 2013 at 4:43 PM, Jay Ashworth <j...@baylink.com> wrote:
>> You are suggesting that it is *at all* difficult for a technically
>competent
>> end-user to determine whether a given new POTS line will go to a CO
>or to an RSU?
>
>Well, let me treat this as an opportunity to learn. How does one
>arrange for a POTS line ordered from the telco to travel its own
>dedicated copper pair all the way back to the central office building
>if the the tech tells you he only built it from one of the local holes
>in the ground?
>
>Regards,
>Bill Herrin
>
>
>-- 
>William D. Herrin ................ her...@dirtside.com  b...@herrin.us
>3005 Crane Dr. ...................... Web: <http://bill.herrin.us/>
>Falls Church, VA 22042-3004

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