[time-nuts] Acquired a Symmetricom 5817A-05Q / Power connector Question

Oz-in-DFW lists at ozindfw.net
Sat May 9 08:58:57 EDT 2015


On 5/8/2015 9:11 PM, M. George wrote:
> I took delivery of a Symmetricom 5817A with the 05Q DC power option.  The 8
> port seems to be going a little less than the 4 ports... not sure on the
> reasoning there... however I picked it up on the usual auction site for
> ~125.00 shipped.  I thought that was reasonable assuming it works.
>
> Anyway, I'm not too proud to admit that I'm not familiar with the power
> connector that apparently comes with the 05Q option.  I have a link below
> to a couple of pictures.   Maybe I missed something obvious when poking
> around on the internet for documentation, but I can't find anything that
> describes this connector.  I assume it is stock?  The +DC input pin/wire
> can be seen just inside the white tube... again, maybe this is obvious to
> real time-nuts!  I'm working on that time-nut thing!
>
> You can browse to the pictures here:
>
> http://www.nc7j.com/downloads/NG7M/Time-Nuts/5817A-05Q/
>
> Max NG7M
According to the datasheet it should be a "female SMC" but that's hard
to call in this case.  SMC connectors have jacks and plugs, not Jacks
and Jills because the contact and housing genders lead to confusion. 
See the top of the right column of page 3 here:

http://www.marubun.co.jp/product/network/base/qgc18e000003bzbd-att/GPS_Active_Splitters.pdf

I believe they mean a jack, which should look like this: 

http://www.amphenolrf.com/media/wysiwyg/SMC_4.jpg

Yours appears to have been broken off.  I don't think I have any repair
parts, though I do have some mating connectors.

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