Nortel Networks NN43021-110 - Manual (Page 65)

65
List of terms
AC
Alternating Current
analog
A process that models information in the form of a continuously varying
parameter such as current, voltage, or phase.
analog signal
A signal that varies in a continuous manner such as voice or music. An
analog signal can be contrasted with a digital signal, which represents only
discrete states. The signal emitted by a data telephone has both analog
and discrete characteristics.
architecture
The interrelationship between the parts of a system; the framework of a
system.
backplane
A printed circuit board that extends across the width of the card cage and
connects to the circuit card connectors.
battery backup
System power furnished by standby batteries that are charged by a charger.
If commercial power fails, the batteries maintain service for a limited period
of time, determined by the size of the batteries and the traffic on the system.
capacity
The information-carrying ability of a telecommunications facility, group,
network, or system measured in bits per second (bps).
card cage
A frame for holding circuit cards in a module; also called a card chassis.
Nortel Communication Server 1000
Communication Server 1000M and Meridian 1 Large System Overview
NN43021-110 01.03 Standard
Release 5.0 18 February 2008
Copyright © 2003-2008, Nortel Networks
.