Page 40 of 456 Preparing for installation
•A red LED in the front of the cap’s exhaust grill that lights if the system overheats or if a power outage occurs.
•Ladder racks for routing cables can also be fitted to the top caps.
Modules
Up to four modules can be included in a column. The modules can include:
•NT4N41 CompactPCI® (cCPI) Core/Network Module – required for all Large Systems
•NT8D35 Network Module – required for Meridian 1 PBX 81C and CS 1000M MG
•NT8D37 Intelligent Peripheral Equipment (IPE) Module – required for all Large Systems
In addition, modules that house
Columns are grouped in rows
A system can have one column, or multiple columns attached in rows. Column 0 is always the column containing the “Core/Net 0” module. Column 1 is placed to the left of Column 0 and must contain the “Core/Net 1” module.
Column 0 and Column 1 are placed at the far left of the row (front view). Column numbering then continues to the right of Core 0 (see Figure 2 on page 41).
Additional rows are configured with the lowest numbered column on the far left and the highest numbered column on the far right (front view).
For compliance with electromagnetic interference/radio frequency interference (EMI/RFI) standards, spacer kits are provided to interconnect the columns in a