[Halld-jlab] Commissioning
Elton Smith
elton at jlab.org
Wed Aug 13 09:11:34 EDT 2014
Hi Fernando,
We would like to keep the cosmic-ray trigger setup for some time, and
this includes the NIM electronic racks. If necessary we could order
cables to meet the safety requirements to replace the ones that are in
place and I can work with you to come up with a plan to do this. We will
need to get a cost estimate and order them before the end of the fiscal
year.
Thanks, Elton.
Elton Smith
Jefferson Lab MS 12H3
12000 Jefferson Ave STE 4
Newport News, VA 23606
(757) 269-7625
(757) 269-6331 fax
On 8/12/14 7:00 PM, Fernando J Barbosa wrote:
> Hi all,
>
> We have about one month to prepare the halls for first beam (Sept.
> 19th). Next week, we will start "cleaning up" cabling and hardware
> which are not part of the official installation plan and which have
> been used during tests of the various parts of the detector readout,
> trigger, calibration, etc.. During this time, some cables (especially
> ethernet ones) will be disconnected and re-routed properly, so expect
> interruptions. Also, cables not meeting the NEC fire code requirements
> will be removed or made to comply, if needed.
>
> Sub-system owners, please let me know if you need to keep any of the
> NIM crates, RG-174/178 cables, single twisted-pair cables, any
> hardware not attached to the racks.
>
> Also, recently, a number of extra and un-labeled ethernet cables have
> been installed which are not part of the standard installation. These
> will be removed unless I hear from you as to their function.
>
> Thanks for your understanding in advance and best regards,
> Fernando
>
>
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