Ericsson EDACS LBI-39169 User's Guide download pdf (Page 78)

LBI-39169 GLOSSARY

16. GLOSSARY

TERM DEFINITION

ACU A

larm and

ontrol

nit. The ACU provides 32 alarm inputs and 8 relay

outputs and allows for external device alarming to the System Manager. The

ACU and Test Unit (TU) form the Test and Alarm Unit (TAU).

Administrator (or Admin or

EDACS Administrator)

Administrators are those people responsible for centralized configuration of

EDACS networks. Their role is to install and maintain the system-wide

database, and in the case of Network Management, overview the operation of

the network.

Aegis



Aegis

 is the Ericsson GE's voice scrambling system that employs advanced

Digital Signal Processing (DSP) circuitry. Aegis has two primary modes −

"Aegis digital" and "Aegis private". Aegis digital mode offers improved weak

signal performance and impedance to unauthorized monitoring. Aegis digital

transmissions are not encrypted. Aegis private mode also offers improved weak

signal performance. In addition, since Aegis private transmissions are

encrypted, Aegis private mode provides very secure communications against

unauthorized monitoring.

Agent

Software that enables a device to respond to manager requests to view or

update MIB data, and send traps reporting problems to significant events.

AMTS A

dvanced

ultisite

est

ystem.

API A

pplication

rogramming

nterface. Standard interface to a software

application.

Audio Board

The

Audio Board

routes audio, mobile data and Aegis data between EDACS

radio systems, dispatch consoles, logging recorders, etc. The board digitizes

analog signals applied to its audio inputs and applies the digitized signals to

the TDM bus. It also performs the reverse process for its audio outputs.

AUI A

ttachment

nit

nterface. Connector used with thick Ethernet that often

includes a drop cable.

Battery-backup

Holds information in RAM until power is restored or battery is drained.

BCU

EDACS

illing

orrelation

nit. This EDACS unit converts Integrated

Multisite Controller activity to Call Detail Records which can be used for

billing.

Bridge

Used to connect Ethernet to Ethernet with capability to control two-way traffic.

OSI data Link and Physical layers only.

C3 Maestro

The

C3 Maestro

is the CRT-type console that is designed to take advantage of

the advanced features of EDACS. It consists of a specialized audio "tower"

and an IBM PC compatible computer running custom software developed by

Ericsson GE.

CAL C

entralized

ctivity

ogger. This EDACS unit is inserted between the IMC

and the System Manager to provide activity information from Basic EDACS,

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Ericsson EDACS LBI-39169 User's Guide Page 78

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