User guide

Glossary
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Broadband
A transmission bandwidth higher than
2Mbps.
Burst Tolerance (BT)
The maximum time for which the source
may transmit the PCR.
Carrier Grade
Designates highly reliable equipment
intended for use in telecommunication
(central office and backbone installations).
Cell
The unit of data, transferred as an entity
through an ATM network. A cell has a fixed
length of 53 bytes.
Central Office
Building with telecommunication equipment.
Also referred to as CO.
Class 5 services
Telephony supplementary services,
provided by a local exchange, as opposed
to Class 4 services, provided by a PBX.
Class 5 services are services like Call Hold,
Call Forwarding, Call Waiting, Call Transfer,
3tpy and Conference Call.
CLIP
Calling Line Identification Presentation
CO
Central Office
Collection Domain
The network monitored by a Collection
Station. In EDA identical with the Access
Domain.
Collection Station
A Collection Station (CS) is a remote point
in a distributed installation of HP OpenView
Network Node Manager (NNM). Multiple
Collection Stations can connect to a
Management Station to form an NNM
distributed system. When the HP OpenView
NNM is installed on a server it is configured
to be either a Management Station or a
Collection Station.
The Collection Station software is installed
on the Domain Server.
Configuration
A logical group of parameters with specific
values. An operator can set a number of
parameters in one operation. A
Configuration can be compared to a profile
or a template.
Configuration Management
Managing configuration of resources in
PEM and the network elements, both in
terms of viewing, setting and backing up
configuration parameters. Examples are
network engineering, software upgrading,
managing end-users and services,
backup/restore, discovery of new resources
in the network and keeping an inventory list.
CPE
Customer Premises Equipment
CS
Collection Station
Database
The database contains all data related to
the IP DSLAMs, subscribers, end-users and
O&M Operators. The database is a
standard SQL Sybase® database. A
Network Management System (NMS) can
retrieve data from the database through the
NMS server.
DHCP
The Dynamic Host Configuration Protocol
(DHCP) is an Internet protocol for
automating the configuration of computers
that use TCP/IP. DHCP can be used to
automatically assign IP addresses, to
deliver TCP/IP stack configuration
parameters such as the subnet mask and
default router, and to provide other
configuration information such as the
addresses for printer, time and news
servers. In EDA the following counts: