Nortel Networks NN43021-110 User Manual

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List of terms

SDI

Serial Data Interface. A family of cards equipped with SDI ports provide the
I/O interface for the CS 1000M Large System and Meridian 1 Large System.

software

A set of programmed instruction sequences stored either as resident
programs in system memory or as nonresident programs stored on disk and
loaded into memory when needed.

software generic

A term used to identify the system software. Each software generic has a
series of releases, such as Release 25.

system monitor

A microprocessor-based circuit card that controls and monitors the status of
cooling equipment and power-related hardware and functions.

system utility card

Provides an interface between the security device and the computer.

TDS

Tone and Digit Switch

Time Compression Multiplexing (TCM)

The combination of two or more information channels into a single
transmission channel by assigning each information channel an exclusive
periodic transmission time interval.

Terminal Number

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.

Nortel Communication Server 1000

Communication Server 1000M and Meridian 1 Large System Overview

NN43021-110

01.03

Standard

Release 5.0

18 February 2008