[Clas12_rich] RICH electronics on Forward Carraige Level 3

[Valery Kubarovsky]

Tyler,
All components are for one sector only.
The DAQ electronics most probably will go to another place. 
I hope that we don't need new crate for these 5 boards. Chris is investigating this question right now.
Valery

----- Original Message -----
> From: "Tyler Lemon" <tlemon at jlab.org>
> To: "clas12 rich" <clas12_rich at jlab.org>, "Eugene Pasyuk" <pasyuk at jlab.org>
> Cc: "rossi patrizia" <rossi at jlab.org>
> Sent: Wednesday, July 20, 2016 4:17:06 PM
> Subject: [Clas12_rich] RICH electronics on Forward Carraige Level 3

> Dear Eugene and Valery,
> 
> Eugene,
> We will need about one rack total for the RICH electronics. Attached is an
> updated the drawing from Marc of the racks C3-4 and C3-5 on the Forward
> Carriage, one is a close up on the racks, the other a farther away view. In the
> drawing, C3-4 shows the RICH cRIO chassis and FTOF HV supply, C4-5 shows the
> RICH CAEN SY4527 and R649 distribution with the LTCC HV supply below. In Hall
> B, there is currently only the LTTC HV supply in rack C3-5 with 20.5U of free
> space above it. This free space should be enough for the RICH HV supply and a
> VXS crate for the electronics readout.
> 
> After discussion, DSG determined it would be best to put these electronic
> components in the available space in the rack that is close to the cRIO chassis
> since the detector will be relatively near those  racks once installed and it
> would also allow for shorter connections for the HV/LV interlocks to the cRIO.
> 
> Valery,
> Is the quantity of components you mentioned yesterday for two RICH modules? If
> not, rack space will also be needed for the HV and electronics readout for the
> second RICH that will be built. Looking in Hall B today, rack C3-7 would have
> space. Attached are pictures from today of that rack.
> 
> Best regards,
> Tyler
> 
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