N-GEN Communications Web-based Seminars ©NGCS

Seminar - An Overview of Communications Technologies

Module 5 - SONET, WDM, DWDM and B-ISDN Technologies                                                             Slide 40 of 76 _________________                                                                                  __________

                                               Virtual Tributaries Mapping

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Each mapped virtual tributary (VT) in STS-1 frame is identifiable.