UNIT: II SONET AND SDH NETWORKS

UNIT: II SONET AND SDH NETWORKS

Part B (16 marks for each question)

1. Explain in detail the architecture of a SONET system.                (16)
2. Explain in detail the functional layers of a SONET along with device-layer     (16)

relationship.

3. Explain in detail frame, byte, bit transmission and encapsulation

in  SONET.                                        (16)

4. Explain in detail the STS-1 frame format in a SONET.                (16)
5. Explain STS multiplexing in detail.                        (16)
6. Explain in detail the linear SONET network along with automatic protection

switching.                                        (16)

7. Explain in detail the SONET ring network.                    (16)
8. Explain in detail about the mesh SONET network and a

cross-connect switch.                                (16)

9. Explain in detail integration of TDM signals in SONET.                (16)
10. Explain SONET physical layer in detail.                        (16)