Nortel Networks COMMUNICATION SERVER 1000 NN43021-110 - Manual (Page 68)

68 List of terms
top cap
A top cap is mounted on the top module of each column. It
provides airflow exits, EMI/RFI shielding, I/O cable entry and exit,
and overhead cable-rack mounting. The top cap covers thermal
sensor assemblies for the column.
trunk
A single circuit between two points, both of which are switching
centers or individual distribution points.
universal equipment module (UEM)
A modular, self-contained hardware cabinet that houses a card
cage, power supply, backplane, circuit cards, and other basic
equipment. When equipped, the UEM becomes a specific type of
module, such as a CPU module or Network module.
UPS
Universal Power Supply
V AC
Voltage Alternating Current
V DC
Voltage Direct Current
Nortel Communication Server 1000
Communication Server 1000M and Meridian 1 Large System Overview
NN43021-110 02.05 Standard
30 September 2008
Copyright © 2003-2008 Nortel Networks
.