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Cisco ONS 15600 SDH Reference Manual, Release 9.0
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Chapter 8 SDH Topologies and Upgrades
8.5.3 SNCP/MS-SPRing DRI Handoff Configurations
Figure 8-13
ONS 15600 SDH Integrated SNCP Dual-Ring Interconnect
8.5.3 SNCP/MS-SPRing DRI Handoff Configurations
SNCP rings and MS-SPRings can also be interconnected. In MS-SPRing/SNCP DRI handoff
configurations, primary and secondary nodes can be the circuit source or destination, which is useful
when non-DCC optical interconnecting links are present.
shows an example of an SNCP
ring to MS-SPRing traditional DRI handoff.
Path Selector
Primary Path—Primary
Return Path—Secondary
Return Path—Primary
Primary Path—Secondary
SNCP 1
SNCP 2
Duplicate
Signals
Pass-through
Node
Bridge
159568
SSXC
SSXC