Specifications

5-12
Cisco ONS 15454 Installation and Operations Guide, R3.2
March 2002
Chapter 5 SONET Topologies
Bidirectional Line Switched Rings
Figure 5-12 Connecting fiber to a four-node, two-fiber BLSR
Figure 5-13 Connecting fiber to a four-node, four-fiber BLSR
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Node 1
West East
West East
West East
West East
Slot 5
Tx
Rx
Slot 12
Tx
Rx
Node 4
Slot 5
Tx
Rx
Slot 12
Tx
Rx
Node 2
Slot 5
Tx
Rx
Slot 12
Tx
Rx
Node 3
Slot 5
Tx
Rx
Slot 12
Tx
Rx
9
58
Node 1
West East
West East
West East
West East
Slot
5
Slot
12
Node 4
Slot
5
Slot
12
Node 2
Slot
5
Slot
12
Node 3
Slot
5
Slot
12
Tx
Rx
Slot
6
Slot
13
Tx
Rx
Slot
6
Slot
13
Tx
Rx
Slot
6
Slot
13
Tx
Rx
Slot
6
Slot
13
Working fibers