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40 System architecture
The cCNI Transition cards connect the Core module cards to the 3PE cards
in the Network modules. Each Core module contains between one and four
cCNI cards. Since each cCNI card can connect up to two Network groups,
each Core is connected to a minimum of two groups and a maximum of eight
groups. The number of cCNI cards in a system depends on the number of
Network groups in that system. The first cCNI card that connects to Network
group 0 and group 1 is installed in slot c9 of each Core/Net module. Each
additional cCNI card is installed in ascending order from slots c10 to c12.
Figure 14
CS 1000M SG and Meridian 1 PBX 61C CP PIV core complex
The System Utility card supports Card ID. The card provides an interface
between the security device and the computer, and an interface between
the XSM and display panel for each Core/Net card cage. This card also
includes a switch on the faceplate to enable or disable the Core cards.
The System Utility Transition card provides connections for the security
device, the system monitor, and the status panel. This Transition card
is mounted on the rear of the backplane (back side) directly behind the
System Utility card.
Nortel Communication Server 1000
Communication Server 1000M and Meridian 1 Large System Overview
NN43021-110 01.03 Standard
Release 5.0 18 Februar y 2008
Copyright © 2003-2008, Nortel Networks
.