PS Magazine - TB 43-PS-558
PS, The Preventative Maintenance Monthly
ISSUE 558
MAY 1999
PS 558
49
PS 558
48
MAY 99
SINCGARS Vehicular Radio . . .
Color
code
cables
4.
CG-3855 RF cable from the J1
connector on the first power amplifier
goes to the first vehicular antenna.
3.
W-2 RF cable from the ANT connector on the lower
RT goes to the J2 connector on the AM-7238 power
amplifier on the left side of the amplifier-adapter.
2.
W-4 audio cable from the AUD/
DATA connector on the upper RT
goes to the J4 connector on the
amplifier-adapter.
1.
W-4 audio cable from the AUD/
DATA connector on the lower RT
goes to the J5 connector on the
AM-7239 amplifier-adapter.
5.
CG-3856 RF cable from the
ANT connector on the upper RT
goes to the J2 connector on the
second AM-7238 power amplifier.
6.
CG-3855 RF cable from the J1 connector on the second
power amplifier goes to the second vehicular antenna.
2
1
3
5
5
6
4
The second step is to color code
cables and receptacles for quick iden-
tification. Color coding with tape
makes it easy to mate cables to the
right receptacles.
Just put colored tape below the cable
connectors and at their receptacles.
just
another victim
of
poor
pm
.
oh my,
yes. her
threads were
stripped
and
keyway
ruined
.
did you
hear about
gert?
has twice the number of components
of other SINCGARS radios: two
receiver-transmitters (RTs), two power-
amplifiers and two antennas.
That makes cable hookup twice as
confusing. And it doesn’t help that
the RF cables look alike. A cable con-
nected to the wrong receptacle can
silence your commo or overload a
power amplifier.
You can clear up cable confusion in
two easy steps. The first step is to learn
where
the cables go.
ables are your commo highway.
Your SINCGARS vehicular radio
must be hooked up correctly—the right
cables going to the right connections—
or your signal grinds to a halt like
a car snarled in rush-hour traffic.
Bent pins and broken wires roadblock
your signal and never let it reach its
destination.
Check the cabling every time you
pull PMCS. Here are some cable rout-
ing tips, hookup hints and PMCS tips
to help with those checks:
Long Range Cables
Your SINCGARS long range/
long range (LR/LR) vehicular radio
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