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Cisco ONS 15454 SDH Reference Manual, R5.0
April 2008
10.7 SNCP Circuits 10-12
10.7.1 Open-Ended SNCP Circuits 10-13
10.7.2 Go-and-Return SNCP Routing 10-13
10.8 MS-SPRing Protection Channel Access Circuits 10-14
10.9 Path Trace 10-15
10.10 Path Signal Label, C2 Byte 10-15
10.11 Automatic Circuit Routing 10-16
10.11.1 Bandwidth Allocation and Routing 10-17
10.11.2 Secondary Sources and Destinations 10-17
10.12 Manual Circuit Routing 10-18
10.13 Constraint-Based Circuit Routing 10-22
10.14 Virtual Concatenated Circuits 10-22
10.14.1 VCAT Member Routing 10-22
10.14.2 Software-Link Capacity Adjustment 10-23
10.14.3 VCAT Circuit Size 10-23
10.15 Merge Circuits 10-24
10.16 Reconfigure Circuits 10-25
CHAPTER
11 SDH Topologies and Upgrades 11-1
11.1 SDH Rings and TCC2/TCC2P Cards 11-1
11.2 Multiplex Section-Shared Protection Rings 11-2
11.2.1 Two-Fiber MS-SPRings 11-2
11.2.2 Four-Fiber MS-SPRings 11-6
11.2.3 MS-SPRing Bandwidth 11-8
11.2.4 MS-SPRing Application Sample 11-10
11.2.5 MS-SPRing Fiber Connections 11-12
11.2.6 Two-Fiber MS-SPRing to Four-Fiber MS-SPRing Conversion 11-13
11.3 Subnetwork Connection Protection 11-13
11.4 Dual Ring Interconnect 11-18
11.4.1 MS-SPRing DRI 11-18
11.4.2 SNCP Dual Ring Interconnect 11-22
11.4.3 SNCP/MS-SPRing DRI Handoff Configurations 11-25
11.5 Subtending Rings 11-26
11.6 Linear ADM Configurations 11-28
11.7 Extended SNCP Mesh Networks 11-29
11.8 Four Node Configurations 11-31
11.9 STM-N Speed Upgrades 11-31