1. Figure 12-15 WCB/McGraw-Hill  The McGraw-Hill Companies, Inc., 1998 Token Passing

2. Figure 12-15-continued WCB/McGraw-Hill  The McGraw-Hill Companies, Inc., 1998 Token Passing

3. Figure 12-15-continued WCB/McGraw-Hill  The McGraw-Hill Companies, Inc., 1998 Token Passing

4. Figure 12-15-continued WCB/McGraw-Hill  The McGraw-Hill Companies, Inc., 1998 Token Passing

5. Figure 12-16 WCB/McGraw-Hill  The McGraw-Hill Companies, Inc., 1998 Token Ring Frame

6. Figure 12-17 WCB/McGraw-Hill  The McGraw-Hill Companies, Inc., 1998 Data Frame Fields

7. Figure 12-17-continued WCB/McGraw-Hill  The McGraw-Hill Companies, Inc., 1998 Data Frame Fields

8. Figure 12-18 WCB/McGraw-Hill  The McGraw-Hill Companies, Inc., 1998 Token Ring

9. Figure 12-19 WCB/McGraw-Hill  The McGraw-Hill Companies, Inc., 1998 Token Ring Switch

10. Figure 12-20 WCB/McGraw-Hill  The McGraw-Hill Companies, Inc., 1998 MAU

11. Figure 12-21 WCB/McGraw-Hill  The McGraw-Hill Companies, Inc., 1998 FDDI

12. Figure 12-22 WCB/McGraw-Hill  The McGraw-Hill Companies, Inc., 1998 FDDI Example

13. Figure 12-22-continued WCB/McGraw-Hill  The McGraw-Hill Companies, Inc., 1998 FDDI Example

14. Figure 12-23 WCB/McGraw-Hill  The McGraw-Hill Companies, Inc., 1998 FDDI Encoding

15. Figure 12-24 WCB/McGraw-Hill  The McGraw-Hill Companies, Inc., 1998 FDDI Layers

16. Figure 12-25 WCB/McGraw-Hill  The McGraw-Hill Companies, Inc., 1998 FDDI Frames

17. Figure 12-26 WCB/McGraw-Hill  The McGraw-Hill Companies, Inc., 1998 FDDI Rings

18. Figure 12-27 WCB/McGraw-Hill  The McGraw-Hill Companies, Inc., 1998 FDDI Ring Failure

19. Figure 12-28 WCB/McGraw-Hill  The McGraw-Hill Companies, Inc., 1998 FDDI Nodes