... ports enables OTDRtrace development upstream to the central office and downstream to the access terminal. Also, the connector ports available at the distri-Chapter 3 — Advantage of Centralized ... Networks7FTTX: A Practical Guide www.adc.comCounty, Virginia, a fast-growing suburb of Washington, D.C.; along with a New York City suburb Massapequa Park, New York.; and a communityoutside of Tampa, Florida.SBC, ... that particular PON card to 28 . The centralized approach would require a 1x16 splitter rather than a 1x 32 to reach those customers, reducing the number of customersserved to 16 on that particular...