Cisco ONS 15327 User Documentation page 172

Bidirectional Line Switched Rings
Figure 5-5
14 DS-1s
1 DS-3
Figure 5-6
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
Cisco ONS 15327 User Documentation, R3.3
5-6
A five-node BLSR
Carrier 1
1 OC-3
28 local Carrier 2
DS-1s 2 DS-3s
Node 0
Node 4
4 DS-1s
shows the shelf assembly layout for Node 0, which has no free slots.
Shelf assembly layout for Node 0 in
OC48
4
OC48
3
OC48
2
OC3
1
4 DS-1s 14 DS-1s
Node 1
Node 2
Node 3
14 DS-1s
Figure 5-5
XTC-28-3
XTC-28-3
MIC B
MIC A
Chapter 5 SONET Topologies
2 DS-1s
14 DS-1s
= Fiber 1
= Fiber 2
Figure 5-7 shows the
5
Fan
Tray
6
Slot
7
8
June 2002