[GreenKeys] Creed 7B with 33 Pin Jones/Plessey/Cinch plug

[Jim Backus]

On 30/05/2013 20:34, Dave wrote:
> Folks,
>
> The Creed 7B I recently purchased has a 33-Pin Jones plug on it. 
> Whilst I can trace out the connectors, most of them seem to be wired 
> somewhere and tracing them all could take some time. Googleing and 
> search Sam's site have produced nothing of note, so can any one else 
> help?
>
> Dave
> G4UGM
Dave

When you refer to the connector as a Jones plug do you mean the more 
recent two row type with flat pins at about 10 mm row spacing or the 
older type often called a Painton plug that had different numbers of 
rows depending on the size. I think three rows was most common.

If it is the more modern type it may have been a standard GPO pin out in 
which case information on the 444 may be useful. The 444 has a 50 pin D 
type internally but used a two row 'modern' flat pin plug for connection 
to GPO equipment.

The 7B is a very simple machine that would not need a 33 way connector. 
My oldest 7B has a 9 pin plug on it with pins about the same size as the 
old 5 amp plugs used for live and neutral. Having just 9 pins is a 
little restrictive but only by about two changeover circuits.

Hope this is useful

Jim G4PFJ

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