Figure 5-13 A Four-Node Blsr Before A Trunk Card Switch - Cisco ONS 15327 User Documentation

Chapter 5 SONET Topologies
Figure 5-13
cards will be moved at Node 4 from slot 1 and 2 to Slots 3 and 4. To do this Node 4 is temporarily
removed from the active BLSR while the trunk cards are switched.

Figure 5-13 A four-node BLSR before a trunk card switch

Slot 3 (West)
Node 1
Slot 3 (West)
Node 4
Figure 5-14
June 2002
shows a four node OC-48 BLSR using trunk cards in Slots 1 and 2 at all four nodes. Trunk
Slot 2 (East)
Slot 2 (East)
shows the BLSR after the cards are switched.
Bidirectional Line Switched Rings
Slot 2 (East)
Node 2
Slot 3 (West)
Slot 2 (East)
Node 3
Slot 3 (West)
Cisco ONS 15327 User Documentation, R3.3
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