[GreenKeys] Seeking Information on Power and Data Connectors for AN/UGC-74B(V)3

[Glenn Little]

The go to guy for connectors is Bill Perry.
He is well known for being able to supply almost any connector that you 
need for a very reasonable cost.
He can be reached at 502-893-8724.

73
Glenn
WB4UIV

On 11/23/2025 6:04 PM, NOWTEL wrote:
> Hello Greenkeys members,
>
> I recently came across this YouTube video
> (https://youtu.be/YbyksG-lj60?si=6pfCYF4mEFMvSDFg) and received wiring
> details from Erik, the operator of the channel, for connecting to J2
> (power input) on the AN/UGC-74B(V)3, as shown in the attached photo.
>
> For AC 110–120 volts:
> Jump B, D, L and A, C, J, and apply voltage to M and K, with E as
> chassis ground.
>
> For 28 volts DC:
> Jump J, G and L, F, and connect M to +DC and K to –DC.
>
> I also received information regarding the J1 data connector wiring.
> Now, I’m trying to locate or identify the correct mating connectors
> for both J2 (power) and J1 (data).
>
> If anyone here has specifications, pinouts, surplus parts, or
> suggestions on where I might find compatible connectors for the
> AN/UGC-74B(V)3, I would be extremely grateful.
>
> Thank you in advance for any help or guidance you can offer.
>
> 73,
> Youngluck
>
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-- 
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Glenn Little                ARRL Technical Specialist   QCWA  LM 28417
Amateur Callsign:  WB4UIVwb4uiv at arrl.net     AMSAT LM 2178
QTH:  Goose Creek, SC USA (EM92xx)  USSVI, FRA, NRA LM    ARRL
"It is not the class of license that the Amateur holds but the class
of the Amateur that holds the license"
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