I would agree that most Telco's put the initial ring fiber pairs
in the same conduit due to cost savings and build out permits; but
sometimes the issue is not cost; but laziness on the part of the company
or the engineer. In the past I worked for a company that designed and
installed MAN rings and more often then not the company would work a
ring into a single conduit just because it was easier to do.
Chris Burton
Network Engineer
Walt Disney Internet Group: Network Services
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