[Halld-jlab] Cabling Issues

Fernando J Barbosa barbosa at jlab.org
Tue Jan 21 10:11:45 EST 2014


Hi Mark,

No problem, we will take care of the routing and address any safety 
concerns. I just ask that all the cables and fibers be labeled and we 
will take care of the rest.

Thanks and best regards,
Fernando


On 1/17/2014 4:06 PM, Mark Macrae Dalton wrote:
> Hi Fernando,
>
> Regarding photo4, we will need guidance on how to accomplish this 
> connection.  The crate controllers come with these multi-ended 
> connectors.  Every ROC is expected to be connected to a terminal 
> server using such a connector.
>
> Best,
> Mark Macrae Dalton
>
> --
> Staff Scientist, Jefferson Lab
> office: +1 757 269 6931
> mobile: +1 757 849 2929
>
> On Jan 17, 2014, at 3:28 PM, Fernando J Barbosa <barbosa at jlab.org 
> <mailto:barbosa at jlab.org>> wrote:
>
>> Hi all,
>>
>> Some network and trigger cabling in the hall has been installed and 
>> used on a temporary basis without much regard to routing or labeling, 
>> which is understandable. Such phase of activities will end within the 
>> next two weeks. So, on February 1st, we will start removing any 
>> cables that are not properly labeled; routing will be properly done 
>> so expect interruptions. As you know, labeling is geographical (refer 
>> to GlueX-doc-1452). The attached photos illustrate some of the concerns:
>>
>> photo1: no labels
>> photo2: no labels; network cables (dark blue) should come from the 
>> left side vertical cable manager, not the bottom (horizontal cable 
>> manager); trigger fiber (light blue) needs to be routed via 
>> horizontal and vertical cable managers (use the opening on the right, 
>> adjacent, on vertical cable manager).
>> photo3: trigger fibers, again the same issue as above, no labels.
>> photo4: these unconnected cables (come from ROC, see photo2), located 
>> inside one of the vertical cable managers, present a potential safety 
>> issue and the black wire tie is the icing on the cake.
>>
>> If you have any questions, please ask. We will help with labeling, 
>> routing if you prefer - just provide a list of labels.
>>
>> Thanks for your attention and best regards,
>> Fernando
>> <photo1.jpg><photo2.jpg><photo3.jpg><photo4.jpg><barbosa.vcf>_______________________________________________
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>

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