Table of Contents
iii3610-A2-GB41-60 March 1999
List of Figures
Figure Page
1-1 Model 3610 DSU with TDM or MCMP 1-7. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
1-2 Model 3611 DSU with TDM or MCMP 1-8. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
2-1 Model 3610 TDM/Flex or MCMP/Flex Switch Locations 2-3. . . . . . . . . . . . . . . . . . . .
2-2 Model 3610 TDM/DSD or MCMP/DSD Circuit Card Switch Locations 2-3. . . . . . . . .
2-3 Opening the DSU 2-4. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
2-4 Assembling/Disassembling the TDM or MCMP 2-5. . . . . . . . . . . . . . . . . . . . . . . . . . . .
2-5 Changing TDM/Flex or MCMP/Flex Interface Compatibility 2-6. . . . . . . . . . . . . . . . .
2-6 Changing TDM/DSD or MCMP/DSD Interface Compatibility 2-7. . . . . . . . . . . . . . . .
2-7 Model 3610 DSU with TDM or MCMP 2-9. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
2-8 Disconnecting the DSU 2-14. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
3-1 Non-Modular TDM/MCMP Circuit Card Switch Locations 3-3. . . . . . . . . . . . . . . . . . .
3-2 Modular TDM/MCMP Circuit Card Switch Locations 3-4. . . . . . . . . . . . . . . . . . . . . . .
3-3 Non-Modular TDM or MCMP Installation 3-9. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
3-4 COMSPHERE 3000 Series Carrier (Rear) 3-10. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
3-5 Modular TDM or MCMP Installation 3-11. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
4-1 Multipoint Transmission 4-3. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
4-2 Functional Representation of Point-to-Point Multiplexing 4-5. . . . . . . . . . . . . . . . . . . .
4-3 TDM Architecture and Signal Flow 4-7. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
4-4 Single-Port Point-to-Point Circuit with Nondisruptive Diagnostics 4-8. . . . . . . . . . . . .
4-5 Multipoint Async-Compatible Network 4-9. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
4-6 Point-to-Point Multiplexing 4-10. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
4-7 TDM with Extended Circuit 4-11. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
4-8 Digital Sharing 4-12. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
4-9 Multiplexing and Digital Sharing 4-13. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
4-10 FEP Port Sharing 4-15. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
4-11 Case 1 – V.32 Backup for Subrate DDS 4-16. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
4-12 Case 2 – V.32 Backup for High-Speed DSU 4-17. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
4-13 Case 3 – V.32 Backup for DSU with Extended Circuits 4-18. . . . . . . . . . . . . . . . . . . . . .
4-14 Case 4 – Switched 56 DBM Backup for DSU Operating at 56 kbps or Less 4-19. . . . . .
4-15 Case 5 – Aggregate Switched Backup for TDM Circuits Configuration 4-20. . . . . . . . .
4-16 Typical Parallel Networks 4-21. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
4-17 Applications Combined on One DDS Multipoint Circuit with MCMP 4-22. . . . . . . . . .
4-18 MCMP Architecture and Signal Flow 4-24. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
4-19 MCMP with Independent Channels 4-26. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
4-20 MCMP with Digital Sharing 4-27. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
4-21 Case 1 – Dedicated MCMP Backup with Switched 56 DBMs 4-28. . . . . . . . . . . . . . . . .
4-22 Case 2 – Backing Up the Channels to the Most Important Tributary Location 4-29. . . . .
4-23 Case 3 – Backing Up One Complete Channel (Partial Backup) 4-30. . . . . . . . . . . . . . . .
4-24 Case 3 – Backing Up One Complete Channel (Full Backup) 4-31. . . . . . . . . . . . . . . . . .