Nortel Networks COMMUNICATION SERVER 1000 NN43021-110 - Manual (Page 63)

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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 02.05 Standard
30 September 2008
Copyright © 2003-2008 Nortel Networks
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