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MSF
5000
Instruction Manual
Chapter
1
Description
Junction
Box
Junction
Box
The Junction Box provides facilities
for all external connections
to the
station.
The
low
or
high power Junction
Box is flush-mounted in the
right
side of the cabinet.
Refer
to
Figure
1-40.
The rack mounted Junction Box
is
mounted in
the front
of
the
cabinet rack. Refer
to
Figure
1-41.
Unused station connections
on the
Junction
Box
are
plugged.
Antennas
antenna connector
1
(low power)
-
used to connect an external reference
connector
antenna connector
1
(high power)
-
used to connect
a
transmit antenna or
a
relay duplexer
antenna connector
2
(low power)
-
used
to
connect
the
transmitter
or
antenna relay
/duplexer
©
antenna connector
2
(high power)
-
used to connect
a
receive antenna for
a
high power
station
O
antenna connector
3
(low power)
-
used
to
connect
a
receive antenna
O
antenna connector
3
(high power)
-
used
to
connect an external frequency
reference
Grounding
station ground terminal
-
used to connect
the earth
ground wire
DC Power
J605
DC
power connector
-
used
to
connect the external battery (optional
with
battery revert) or
DC
only power input (Option C32)
AC
Power
OM
AC
power connector J604 (low power)
-
used to connect the
AC
line cord
©
AC
power connector (rack mount)
-
used to connect
the
AC
line cord
2
AC
line cord W600
-
provides
AC
input power
on
high power Junction
Boxes
only
Fuses
O
fuses
(rack mount)
-
provides overcurrent protection
On/Off
Switch
O
ON/OFF
switch (rack mount)
-
provides power
on/off switching capability
68P81092E02
3/19/94
1-73
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