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Extension Systemphones
2.1.5
The
recommended that it be connected to the first extension
system may be partially or fully equipped with System phones or any mix
of System phones and ordinary approved telephones.
The System phone has full loudspeaking capability, a
and LEDs to display the status of the exchange lines and extensions. For
further details of the Systemphone please see the 2+8
Guide.
The Systemphone uses Pulse or TouchTone signalling. The selector
switch, which is of the rotary type, is located under the Systemphone as
shown in Figure
anticlockwise for Pulse (marked P) or clockwise for Touch Tone
(marked T).
The System phone also has the ability to switch from Pulse to TouchTone
from the keypad. With the telephone off-hook, press the* key to switch
the internal dialler to TouchTone signalling. Once the System phone has
been switched in this way, it will remain in TouchTone signalling mode
until it goes on-hook again.
Figure
2.3
Systemphone
TPU
1371Issue3(4/91)
2+8
uses its own optional System phone. Although not essential it is
2.3.
Use a small screwdriver to alter the setting,
PIT
switch location
Signalling switch
Pulse/Touchtone
@)
Underside view of
T
p
2+8
Systemphone
Installation procedures
(20).
The
10
number store,
Systemphone User's
@)
2-4
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