Cisco ONS 15600 Reference Manual page 170

Sdh
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8.6 Subtending Rings
Figure 8-16
Figure 8-17
node serving both the MS-SPRing and SNCP ring. STM-N cards in Slots 4 and 12 serve the MS-SPRing,
and STM-N cards in Slots 3 and 13 serve the SNCP ring.
Figure 8-17
Node 4
Slot 13
East
Cisco ONS 15600 SDH Reference Manual, Release 9.0
8-18
ONS 15600 SDH with Multiple Subtending Rings
SNCP
SNCP
SNCP
or
MS-SPRing
shows an SNCP ring subtending from an MS-SPRing. In this example, Node 3 is the only
SNCP Ring Subtending from an MS-SPRing
Slot 3
West
SNCP
Slot 13
East
Slot 12
East
Slot 3
West
Slot 4
West
Node 3
SNCP
SNCP
or MS-SPRing
Slot 4
West
MS-SPRing
Slot 12
East
Node 2
Chapter 8 SDH Topologies and Upgrades
Node 1
Slot 12
East
Slot 4
West
78-18400-01

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