A Tour of the Pacific Bell Central Office at 611 Folsom Street Don Hurter
of Sirius takes us on a highly technical tour of Pacific Bell's Central Office
(CO) on Folsom Street in San Francisco. The inner workings of a mammoth
institution are revealed, as well as the reason it takes two weeks to get a
Note: This four-part series is not for those who tire easily during
discussions of cables, wiring, and switches. The four parts of the main
article are readable consecutively (1-4), with the sidebar viewable after the
A Side Trip: Premise Equipment vs. Central Office Equipment In a companion
article to the description of his tour of the PacBell CO, Don Hurter compares
equipment at the Central Office to equipment used at a customer's premise.
Kudos to Don!