[Halld-tagger] request for patch panel from collimator cave

[Fernando J Barbosa]

Hi Richard,

I have been talking about cables and such for years and you never 
requested these. Are these anywhere on the plans? Any details?

Best regards,
Fernando

On 11/6/2012 9:08 AM, Richard Jones wrote:
> Hi Fernando,
>
> I don't know where this request should be routed, so I am sending it 
> directly to you.  I would like to make sure that we have coaxial 
> connections from the upstream wall of the collimator cave to the 
> counting house.  Here are some signals that we would like to be able 
> to read directly, and minimize how much DAq electronics we need to 
> place in a hot radiation area.
>
>  1. output signals from the active collimator: 8
>  2. cave background rate monitor scintillators: 2-4
>
> A panel of 16 or 24 would be sufficient, I believe.  There are also 
> controls for the collimator translation stage and associated limit 
> switches.  Further downstream there is the converter target ladder, 
> which may be inside the cave or outside, depending on the ability to 
> shield the stray magnetic field from the pair spectrometer.  I just 
> want to make sure we have cables and cable trays for these 
> interconnects, as it may be difficult to add them later.
>
> -Richard Jones
>

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