Cisco CX-FEIP-2TX= Installation and con?guration Especificaciones Pagina 206

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Cisco ONS 15454 Installation and Operations Guide, R3.2
March 2002
Chapter 5 SONET Topologies
Unidirectional Path Switched Rings
Figure 5-21 A basic four-node UPSR
Figure 5-22 A UPSR with a fiber break
ONS 15454
Node ID 0
ONS 15454
Node ID 1
ONS 15454
Node ID 2
ONS 15454
Node ID 3
32148
= Fiber 1
= Fiber 2
Span 1
Span 2
Span 3
Span 4
Span 8
Span 7Span 6
Span 5
Fiber
break
Source
Destination
32639
ONS 15454
Node ID 0
ONS 15454
Node ID 1
ONS 15454
Node ID 2
ONS 15454
Node ID 3
= Fiber 1
= Fiber 2
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