4.
IDPL-Inverted
output
of
programmed
DIGITAL
PRIVATE
LINE
code is selected for
output.
5. A-
Tone
A is selected for
output.
6.
B-
Tone B
is
selected for
output.
7. A/B
T&V
- Indicat
es
that
A/B tone
and
voice pag-
ing sequence has
been
selected for
output.
8.
AlB
VAR
- Indicates
that
AlB sequence with vari-
able
programmed
values for duration
and
delays has
been
selected for
output.
9.
TN
REM-Indicates
access sequence for
Motorola
tone
remote
control has
been
selected.
10.
OPTION
-
This
mode
is
reserved
for
future
ex-
pansion. Without an option card installed, this mode
cannot be selected.
SEE PARAGRAPH
3.10.0
3.9.0 REAR PANEL CONTROLS
3.9.1 BATTERY/EXT DC
If
turned
on,
the
service
monitor
will automatically
switch
to battery
power
if no
AC
source is available
and
the unit
is
equipped with the battery
option.
When the
switch
is
in
··EXT
DC'
allows the unit to be powered by
an external voltage source such as a
car
battery.
3.9.2
DC
IN
A 4-pin power
connector
to connect
the
unit to a
DC
prime power source. A
connector
is
provided.
3.9.3 AC
l.IA
AC line fuseholder. (spare fuse provided 65-00042092)
3.9.4 DC
SA
DC
prime power source fuseholder. (spare fuse provided
65-80397 A22)
FIGURE
3-8-REARVIEW
3-11
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