PPT Slide
- Section, Line and path overheads contain bytes for operations, admin. and maint.The fields are described in
- Bellamy, J. Digital Telephony, NY, JohnWiley
- Multiplexing of SONET streams are called tributaries.
- Low speed input streams are converted to the basic STS-1 (Synchronous Transport Signal-1) SONET rate much like muxing T1 lines.