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DEFINITYEnterpriseCommunicationsServerandSystem75andSystem85
Terminals and Adjuncts Reference
555-015-201
Issue 11
December 1999
General Information
2-9Voice Terminals
2
operational; the red light remains off at all times. Feature-only buttons have either
a single green status light or no light at all. The various arrangements of red and
green lights are shown in Figure 2-2.
Figure 2-2. Button Lights
Red Light
The red light normally has two states: lighted steadily or dark (off).
NOTE:
On the ISDN-BRI 7505, 7506, and 7507 sets, the red light flashes when the
set is using phantom power.
One red light is always on at a multi-appearance voice terminal when the handset
is on hook. It identifies the call appearance the user will be automatically
connected to if the handset is lifted. When the handset is lifted, the red light
identifies the call appearance that is active.
The red light is off when the handset is lifted but not connected to a call
appearance. For example, when one call has been put on hold but another call
appearance button has not been pressed. When certain features such as
Preselection, Idle Line Originating preference, or No Line Originating Preference
are administered, the red light is also off while on hook.
Green Status Light
The green status light can indicate any one of the following six conditions:
■ Off—the call appearance is idle or the assigned feature is not activated.
Red Light
Green Status Light Green Status Light
Green Status Light
Red Light
Two Styles of Light Arrangement for
Call Appearance/Feature Buttons
Green Status Light
Two Styles of Light Arrangement for
Feature-Only Buttons