Four-Port, Oc-3 Path Protection - Cisco 15454-DS1-14= - 1.544Mbps Expansion Module Reference Manual

Chapter 12 SONET Topologies and Upgrades
Figure 12-15
8 DS-1s
Node ID 0 has four DS1-14 cards to provide 56 active DS-1 ports. The other sites only require two
DS1-14 cards to handle the eight DS-1s to and from the remote switch. You can use the other half of
each ONS 15454 shelf assembly to provide support for a second or third ring to other existing or planned
remote sites.
In the OC-3 path protection sample, Node ID 0 contains four DS1-14 cards and two OC3 IR 4 1310
cards. Six free slots can be provisioned with cards or left empty.
these card.
78-18106-01

Four-Port, OC-3 Path Protection

TR-303
Switch
ONS 15454
Node ID 0
ONS 15454
Node ID 3
ONS 15454
Node ID 2
8 DS-1s
ONS 15454
Node ID 1
= Fiber 1
= Fiber 2
Figure 12-16 shows the shelf setup for
Cisco ONS 15454 Reference Manual, R8.5
12.3 Path Protection
8 DS-1s
12-17