Nortel Networks NN43021-110 Analog signal, Architecture, Backplane, Battery backup, Capacity

Models: NN43021-110

1 70
Download 70 pages 60.03 Kb
Page 63
Image 63

.

63

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

Page 63
Image 63
Nortel Networks NN43021-110 manual Analog signal, Architecture, Backplane, Battery backup, Capacity, Card cage