Communication Server Large System Installation and Commissioning

Page 224 of 456 Cabling Common Equipment in a Multi Group system

NN43021-310 Standard 02.01 December 2007

Figure 93

Options for LAN 1 connections

End of Procedure

Cabling a Dual Ring Fiber Network

The FIJI cards in the Network modules are connected to form a Dual Ring

Fiber Network. This allows calls to be routed between Network groups.

The Fiber Network consists of two separate rings: one ring connects all the

Network Shelf 0s while the second ring connects all the Network Shelf 1s

553-9595

Customer supplied

Ethernet cables

Core/Net 0

Systems with a LAN switch:

1. Connect LAN 1 to J31

2. Connect J31 to LAN switch

Core/Net 1

LAN

switch

J31

Systems without a LAN switch:

Connect J31 to J31

Rear of module

Nortel supplied

NTRC17BA crossover

ethernet cable

Core/Net 0 Core/Net 1

J31

Rear of module