5-6
Cisco ONS 15327 User Documentation, R3.3
June 2002
Chapter 5 SONET Topologies
Bidirectional Line Switched Rings
Figure 5-5
A five-node BLSR
shows the shelf assembly layout for Node 0, which has no free slots.
shows the
shelf assembly layout for the remaining sites in the ring. In this BLSR configuration, an additional three
DS-3s at Node IDs 1, 2, 3 and 4 can be activated. Each remote site has a free slot for future traffic needs.
Figure 5-6
Shelf assembly layout for Node 0 in
Node 0
28 local
DS-1s
4 DS-1s
14 DS-1s
14 DS-1s
14 DS-1s
14 DS-1s
1 DS-3
4 DS-1s
2 DS-1s
Carrier 1
1 OC-3
Node 1
Node 2
Node 3
Node 4
= Fiber 1
= Fiber 2
Carrier 2
2 DS-3s
71737
Fan
Tray
Slot
OC48
OC48
OC48
OC3
XTC-28-3
XTC-28-3
MIC B
MIC A
71755
4
3
2
1
5
6
7
8
Summary of Contents for ONS 15327
Page 22: ...Contents xxii Cisco ONS 15327 User Documentation June 2002 I N D E X ...
Page 30: ...Figures xxviii Cisco ONS 15327 User Documentation June 2002 ...
Page 44: ...Procedures xlii Cisco ONS 15454 Installation and Operations Guide R3 2 June 2002 ...
Page 540: ...Glossary GL 16 Cisco ONS 15327 User Documentation R3 3 June 2002 ...