Nortel Modular ICS 7.1, Инструкция по установке

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Glossary / 643
N0130943 02 Modular ICS 7.1 Installer Guide
NVAM resides. The connection must be
made using PRI SL-1 lines with the
MCDN protocol active. Both a PRI and
an MCDN software codes (as well as
any required voice mail codes) are
required for this feature.
Channel Service Unit (CSU):
A
device on the Digital Trunk Interface
that is the termination point of the T1
lines from the T1 provider. The CSU
collects statistics on the quality of the
T1 signal. The CSU ensures network
compliance with FCC rules and protects
the network from harmful signals or
voltages.
Class of Service (COS):
The set of
Norstar features and lines available to
the user for a call. The Class of Service
for a call is determined by the restriction
filters and remote access packages
assigned to the telephone in
Lines
programming. The Class of Service for
a call can be changed by entering a six-
digit Class of Service password.
(Internal users cannot change their
access to features with a COS password,
only their restriction filters.)
Class of
Service
and
Class of Service
passwords
are assigned in
Passwords
programming. See Remote Access.
Class of Service password:
≤fl°
A six-digit code that allows you to
switch from your current Class of
Service to one that allows you to dial
numbers prohibited by your current
Class of Service.
CLID on busy
Starting with version
6.1 systems, on telephones that allow
CLID display, incoming calls that arrive
when the telephone is busy will briefly
display a CLID.
cold start:
When all system
programming is lost. This can happen
because you have entered the Startup
feature code
≤••ÍÊÅÂÊË∏
, or
after a major event, such as an extended
power failure.
Combo Cartridge:
A cartridge that
allows you to connect Trunk Modules
and Station Modules to the ICS to
expand the system capacity for trunks
and telephones. Combo Cartridges
provide six-port or 12-port expansion
and Services functionality with each
cartridge. See also Expansion Cartridge.
Conference:
≤‹
A feature allows you to establish a
three-person call at your Norstar
telephone.
contrast adjustment:
≤•‡
Allows you to set the contrast level of
your telephone display.
control telephone:
A control
telephone can place the lines for which
it has responsibility in or out of a
Service Mode.
The direct-dial telephone is a control
telephone for directing calls to the extra
direct-dial telephone. A telephone is
made a control telephone and has lines
assigned to it in Services programming.
Coordinated Dialing Plan: (CDP)
This dialing plan uses a steering code to
identify each node in a private network.
This one-digit code becomes part of the
set DN number rather than a separate
code. In this way, system A might have
codes in range 2100 to 2999, whereas
system B might have codes in range
3100 to 3999.
COS:
See Class of Service.
cursor:
A short horizontal line that
appears on the system telephone display
to indicate that characters can be entered
using the dialpad.