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Digital system
20
2.2 SYSTEM FUNCTIONS
2.2.3 DAY/NIGHT operating mode
The porter Switchboard can work in two operating modes:
●
DAY mode
●
NIGHT mode
In DAY mode the Exchange receives all the calls from the EP and can transfer them to the
IU.
In NIGHT mode the Exchange does not receive calls. The calls from EP are sent directly to
the IU.
The operating mode can be activated:
●
in
automatic
mode
(
programming by the installer
)
see sect. 3.4.3
●
in
manual
mode
pressing the DAY/NIGHT button
Pressing the
button changes
the operating time band immediately.
The display indicates the operating mode
D
(
day
) or
N
(
night
) preceded by the mode of
activation
a
(
automatic
) or
m
(
manual
).
Example of the display
:
Summary of Contents for terraneo
Page 1: ...Terraneo Porter switchboard Installation instructions 10 02 PC 344002 Part T6068A ...
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Page 75: ...Terraneo 75 Porter switchboard ...
Page 77: ...Terraneo 77 NOTES ...
Page 78: ...Digital system 78 NOTES ...
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