1. McGraw-Hill©The McGraw-Hill Companies, Inc., 2001 Chapter 17 X.25

2. McGraw-Hill©The McGraw-Hill Companies, Inc., 2001 Figure 17-1 X.25

3. McGraw-Hill©The McGraw-Hill Companies, Inc., 2001 Figure 17-2 X.25 Layers in Relation to the OSI Layers

4. McGraw-Hill©The McGraw-Hill Companies, Inc., 2001 Figure 17-3 Format of a Frame

5. McGraw-Hill©The McGraw-Hill Companies, Inc., 2001 Figure 17-4 Addressing at the Frame Layer

6. McGraw-Hill©The McGraw-Hill Companies, Inc., 2001 Figure 17-5 Three Phases of the Frame Layer

7. McGraw-Hill©The McGraw-Hill Companies, Inc., 2001 Figure 17-6 Frame Layer and Packet Layer Domains

8. McGraw-Hill©The McGraw-Hill Companies, Inc., 2001 Figure 17-7 Virtual Circuits in X.25

9. McGraw-Hill©The McGraw-Hill Companies, Inc., 2001 Figure 17-8 LCNs in X.25

10. McGraw-Hill©The McGraw-Hill Companies, Inc., 2001 Figure 17-9 LCN Assignments

11. McGraw-Hill©The McGraw-Hill Companies, Inc., 2001 Figure 17-10 PLP Packet Format

12. McGraw-Hill©The McGraw-Hill Companies, Inc., 2001 Figure 17-11 Categories of PLP Packets

13. McGraw-Hill©The McGraw-Hill Companies, Inc., 2001 Figure 17-12 Data Packets in the PLP Layer

14. McGraw-Hill©The McGraw-Hill Companies, Inc., 2001 Figure 17-13 RR, RNR, and REJ Packets

15. McGraw-Hill©The McGraw-Hill Companies, Inc., 2001 Figure 17-14 Other Control Packets

16. McGraw-Hill©The McGraw-Hill Companies, Inc., 2001 Figure 17-15 Control Packet Formats

17. McGraw-Hill©The McGraw-Hill Companies, Inc., 2001 Figure 17-16 X.25 Address Format

18. McGraw-Hill©The McGraw-Hill Companies, Inc., 2001 Figure 17-17 Triple-X Protocols