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5-6
Cisco ONS 15454 Installation and Operations Guide
78-13453-01
Chapter 5 SONET Topologies
Bidirectional Line Switched Rings
Figure 5-5
A four-fiber BLSR span switch
Figure 5-6
A four-fiber BLSR ring switch
Node 0
Node 1
Node 2
Node 3
Span 1
Span 2
Span 3
Span 4
Span 8
Span 7
Span 6
Span 5
OC-48 Ring
= Working fibers
= Protect fibers
61959
Node 0
Node 1
Node 2
Node 3
Span 1
Span 2
Span 3
Span 4
Span 8
Span 7
Span 6
Span 5
OC-48 Ring
= Working fibers
= Protect fibers
61960
Содержание 15454-TCC - Network Processor Card
Страница 22: ...Figures xxii Cisco ONS 15454 Installation and Operations Guide November 2001 ...
Страница 32: ...Procedures xxxii Cisco ONS 15454 Installation and Operations Guide November 2001 ...
Страница 158: ...3 20 Cisco ONS 15454 Installation and Operations Guide November 2001 Chapter 3 Node Setup Viewing CTC Software Versions ...
Страница 388: ...11 10 Cisco ONS 15454 Installation and Operations Guide November 2001 Chapter 11 SNMP SNMP Remote Network Monitoring ...