1. McGraw-Hill©The McGraw-Hill Companies, Inc., 2001 Chapter 20 SONET/SDH

2. McGraw-Hill©The McGraw-Hill Companies, Inc., 2001 Figure 20-1 A SONET System

3. McGraw-Hill©The McGraw-Hill Companies, Inc., 2001 Figure 20-2 An Example of a SONET Network

4. McGraw-Hill©The McGraw-Hill Companies, Inc., 2001 Figure 20-3 SONET Layers

5. McGraw-Hill©The McGraw-Hill Companies, Inc., 2001 Figure 20-4 Device-Layer Relationship in SONET

6. McGraw-Hill©The McGraw-Hill Companies, Inc., 2001 Figure 20-5 Data Encapsulation in SONET

7. McGraw-Hill©The McGraw-Hill Companies, Inc., 2001 Figure 20-6 STS-1 Frame

8. McGraw-Hill©The McGraw-Hill Companies, Inc., 2001 Figure 20-7 STS-1 Frame Overhead

9. McGraw-Hill©The McGraw-Hill Companies, Inc., 2001 Figure 20-8 STS-1 Frame Section Overhead

10. McGraw-Hill©The McGraw-Hill Companies, Inc., 2001 Figure 20-9 STS-1 Frame Line Overhead

11. McGraw-Hill©The McGraw-Hill Companies, Inc., 2001 Figure 20-10 Payload Pointers

12. McGraw-Hill©The McGraw-Hill Companies, Inc., 2001 Figure 20-11 STS-1 Frame Path Overhead

13. McGraw-Hill©The McGraw-Hill Companies, Inc., 2001 Figure 20-12 Virtual Tributaries

14. McGraw-Hill©The McGraw-Hill Companies, Inc., 2001 Figure 20-13 VT Types

15. McGraw-Hill©The McGraw-Hill Companies, Inc., 2001 Figure 20-14 STS-n

16. McGraw-Hill©The McGraw-Hill Companies, Inc., 2001 Figure 20-15 STS Multiplexing

17. McGraw-Hill©The McGraw-Hill Companies, Inc., 2001 Figure 20-16 ATM in an STS-3 Envelope