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Figure 8-9. Common ISN Configuration 8-18
Figure 8-10. LAN-to-LAN Connections Through the Switch 8-19
Figure 8-11. X.25/StarGROUP Connectivity 8-20
Figure 8-12. LAN/SNA Connectivity 8-20
Figure 8-13. ACCUNET Packet Service 8-22
Figure 8-14. Public Switched Data Network with Robbed Bit Facilities (Mode 1) 8-23
Figure 8-15. Domestic Public Switched Data Network with ISDN-PRI Facilities (Modes 0, 1, 2,
3) 8-25
Figure 8-16. International Public Switched Data Network with ISDN-PRI Facilities (Modes 0,
1) 8-25
Figure 8-17. Private Data Network with Robbed Bit Trunks (Mode 1) 8-26
Figure 8-18. Private Data Network with Robbed Bit Facilities and D4 Connection at Far End
(Mode 1) 8-28
Figure 8-19. Private Data Network with 24
th
Channel or ISDN-PRI Signaling (Modes 0, 1, 2,
3) 8-28
Figure 8-20. Private Data Network with 24
th
Channel or ISDN-PRI Signaling (Modes 0, 1, 2,
3) 8-28
Figure 8-21. Private Data Network with Robbed Bit, Fractional T1 Facilities (Mode 1) 8-30
Figure 8-22. Telemarketing Gateway Configuration 8-32
Figure 9-1. Dedicated/Permanent Switched Connections — Configurations (Sheet 1-or-
2) 9-3
Figure 9-2. SNA-Node to SNA-Node Connection 9-5
Figure 9-3. A Possible File-Transfer Configuration 9-6
Figure 9-4. A Possible Teleconferencing Configuration 9-7
Figure 9-5. A Possible Imaging Configuration 9-8
Figure 9-6. A Possible FAX Configuration 9-8
Figure B-1. Options for Synchronization B-2
Figure B-2. Synchronization Hierarchy B-4
Figure B-3. Stratum Levels for the Synchronization Hierarchy B-7
Figure B-4. SCS (Generic 2) B-8
Figure B-5. Duplicated Synchronization Architecture and Cross Coupling B-9
Figure B-6. Tone-Clock Synchronizer (Nonduplicated, Generic 1) B-12
Figure B-7. Public-Network External Clock B-15
Figure B-8. External Clock B-16
Figure B-9. External-Clock Interface B-17
Figure B-10. External-Clock Duplicated Synchronization B-17