Bidirectional Line Switched Rings
Figure 5-11 Connecting fiber to a four-node, two-fiber BLSR
Tx
Tx
Rx
Rx
West
Slot 5
Slot 12
Node 1
Tx
Rx
West
Slot 5
Slot 12
Node 3
Figure 5-12 Connecting fiber to a four-node, four-fiber BLSR
Node 1
Tx
Rx
West
Slot
Slot
5
6
Tx
Rx
West
Slot
Slot
5
6
Node 3
Cisco ONS 15454 Installation and Operations Guide
5-12
East
West
Tx
Rx
East
West
East
West
Slot
Slot
12
13
East
West
Slot
Slot
12
13
Tx
Tx
Rx
Rx
East
Slot 5
Slot 12
Node 2
Tx
Tx
Rx
Rx
East
Slot 5
Slot 12
Node 4
Node 2
Tx
Rx
Slot
Slot
Slot
Slot
5
6
12
13
Tx
Rx
Slot
Slot
Slot
Slot
5
6
12
13
Node 4
Chapter 5
SONET Topologies
East
East
Working fibers
Protect fibers
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