12-22
Cisco ONS 15454 Reference Manual, R8.5.x
78-18106-01
Chapter 12 SONET Topologies and Upgrades
12.4.1 BLSR DRI
Figure 12-20 ONS 15454 Integrated BLSR Dual-Ring Interconnect
Figure 12-21 shows an example of an integrated BLSR DR I on the Edit Circuits window.
Service Selector
Secondary Path (protection)
Primary Path (working)
115236
BLSR 1
Primary
Secondary
Secondary
Primary
BLSR 2
Node 8
Node 3
Node 1 Node 2
Node 6Node 7
Node 5
Node 4