[ARC5] Arc-5 transmitter rack plugs.

[WA5CAB--- via ARC5]

Also, the 12-pin male connector on top of the junction box on the rear of 
the rack is different on AN/ARC-5 racks from the one used on SCR-274-N and 
ATA racks.

In a message dated 09/29/2014 13:08:15 PM Central Daylight Time, 
jeepp at comcast.net writes: 
> Mike is correct, of course.  But... if you're going to modify and 
> re-wire an ARC-5 rack to accommodate an SCR-274-N transmitter, it 
> appears I have a spare 7-pin connector that will do it.  Now, what I do 
> not know is if the connector will actually mount properly in the Navy 
> rack.  I suspect there will be a difficulty owing to the diameter of the 
> original connector.  All my TX stuff is 274-N so I can't readily measure 
> anything.  Others, here, will certainly know.
> 
> Jeep - K3HVG
> 
> I can tell from your sparse description, but it sounds like you are:
> 
> 1.  Trying to install a AN/ARC-5 transmitter in a SCR-274-N or ATA rack.
> 
> OR
> 
> 2.  Trying to install a SCR-274-N or ATA transmitter in an AN/ARC-5 rack.
> 
> STOP RIGHT THERE!!!
> 
> The circle of pin arrangement on the AN/ARC-5 transmitter and rack 
> connectors
> is significantly larger than that for the ATA and SCR-274-N.  The wiring 
> to
> the pins are grossly different as well.
> 
> Different connectors are used throughout the AN/ARC-5 transmitter system,
> because the ONLY TWO COMPONENTS in the AN/ARC-5 transmitter system that 
> are
> electrically interchaneable with equivalent components in the ATA or 
> SCR-274-N
> system are the DYNAMOTOR and the ANTENNA RELAY.  This is pointed out in 
> many
> places, such as the article at http://en.wikipedia.org/wiki/AN/ARC-5 .
> 
> Mike / KK5F
> 

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