October 2018
Intermediate to advanced
555 pages
17h 33m
English
Content preview from Principles of Synchronous Digital Hierarchy
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248 Principles of Synchronous Digital Hierarchy
15. LOMF indicates the loss of many frames or the loss of multiframe
alignment. Explain the generation of this alarm.
16. What is the relation between MFAIS and TS-16 AIS? How is MFAIS
generated?
17. Differentiate between RDI and MFRDI alarms.
18. Which time slot is used for MFRDI and how?
19. What do you understand about REBE?
20. Explain the principles of CRC with special reference to the genera-
tion of REBE alarm.
21. Describe, with the help of diagrams, how the CRC word is carried on
a multiframe and how the bits are inserted in TS-0.
22. Draw a diagram showing the use of TS-0 of
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