
Preparing for installation Page 43 of 456
Communication Server 1000M and Meridian 1 Large System Installation and Commissioning
Core/Net module
Large Systems feature the NT4N41 Core/Net module. The Core/Net module
provides a unified hardware platform for single group and multi-group
configurations. The Core/Net module supports:
• An integrated cPCI shelf.
• A NT4N48 System Utility card that incorporates the functionality of the
System Utility Transition card, LCD display, and the security device
holder.
• A fanout panel (see Figure 4 on page 44) to provide connectivity to the
network shelf.
• Upgrades from single group to multi-group configurations (requiring a
new keycode file and any additional hardware necessary for a
multi-group system).
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