Cisco ONS 15454 SDH Specifications Page 191

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CHAPTER
5-1
Cisco ONS 15454 SDH Installation and Operations Guide, R3.3
May 2002
5
SDH Topologies
This chapter explains how to set up the Cisco ONS 15454 SDH in different SDH topologies. Table 5-1
lists network setup topics.
5.1 Before You Begin
To avoid errors during network configuration, Cisco recommends that you draw the complete ONS
15454 SDH topology on paper (or electronically) before you begin the physical implementation. A
sketch ensures that you have adequate slots, cards, and fibers to complete the topology.
The ONS 15454 SDH node offers numerous types of protection. Table 5-2 shows the three main
categories of protection types found in a network topology.
Table 5-1 Network Setup Topics
Network Setup Topics
5.1 Before You Begin, page 5-1
5.2 Creating SNCP Rings, page 5-3
5.3 Adding and Removing Nodes from an SNCP Ring, page 5-10
5.4 Creating MS-SPRings, page 5-15
5.5 Adding Nodes to an MS-SPRing, page 5-34
5.7 Upgrading From Two-Fiber to Four-Fiber MS-SPRings, page 5-41
5.8 Moving MS-SPRing Trunk Cards, page 5-44
5.9 Subtending Rings, page 5-47
5.10 Creating Linear ADM Configurations, page 5-52
5.11 Extended SNCP Mesh Networks, page 5-58
5.12 Common Ring-Related Procedures, page 5-60
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