Learning About Telephones
3-4
Lights
Each line or pool button has a green light and a red light. The meaning of these
lights varies, depending on whether the button is used to access an outside line or
pool, is programmed with a system feature, or is programmed for Auto Dialing an
extension number (Intercom Auto Dial button). (Auto Dial buttons for fax
extensions show additional information; these “Fax Management” buttons are
described in Chapter 4. When a phone is in programming mode, the lights show
information about programmed settings; see Chapter 2 for details.)
Table 3-1 shows the meanings of the various light patterns for each possible button
assignment.
Table 3-1. Light Patterns for System Phones
Light Pattern Line Button Pool Button Feature Button
Intercom Auto
Dial Button
Steady On Line is in use.
Green means you
are using the line;
red means
someone at
another extension
is using the line.
— Green means
feature
1
is on.
Red means the
extension
programmed on
the button is busy
(making or
answering a call).
Off
(steady off)
Line is idle (not
being used).
— Feature
1
is off. Extension
programmed on
the button is idle
(not being used).
Flash
(long on, long off)
A call is ringing
on the line. Green
flash means a call
is ringing at your
extension. Red
flash means a call
is ringing on the
line, but not at
your extension.
— A user is entering
a four-digit code to
lock or unlock his
or her extension.
Green flash means
someone at the
extension
programmed on
the button is
calling you.
Alternating Red/Green
Flash
(red on, green on,
red on, green on)
Alternating green
and red flash
appears at both
extensions in a
joined call, and at
any extension
connected in a
conference call.
Also for Call
Screening and
Record-a-Call.
— Also for Call
Screening and
Record-a-Call.
—
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