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Figure 5-28 An Ons 15454 With Multiple Subtending Rings; Figure 5-29 A Upsr Subtending From A Blsr - Cisco 15454-TCC - Network Processor Card Operation Manual

Operation guide
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Table of Contents

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Chapter 5
SONET Topologies

Figure 5-28 An ONS 15454 with multiple subtending rings

Figure 5-29
both the BLSR and UPSR. OC-N cards in Slots 5 and 12 serve the BLSR, and OC-N cards in Slots 6 and
13 serve the UPSR.

Figure 5-29 A UPSR subtending from a BLSR

Node 4
Slot 13
East
November 2001
UPSR
UPSR
UPSR
UPSR
or
BLSR
shows a UPSR subtending from a BLSR. In this example, Node 3 is the only node serving
Slot 6
West
UPSR
Slot 13
Slot 12
East
East
Slot 6
West
Slot 5
West
Node 3
UPSR
or BLSR
Node 1
Slot 5
West
Slot 12
East
BLSR
Slot 5
West
Slot 12
East
Node 2
Cisco ONS 15454 Installation and Operations Guide
Subtending Rings
5-37

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