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[Zhenyu Ye <yezhenyu2003 AT gmail.com>]

Hi Mike/Steve,

I have received the four sets of T-Board/cable assemblies.

Thanks,
Zhenyu

> On May 30, 2019, at 9:08 AM, Valentino, Stephen <svalentino AT bnl.gov> wrote:
> 
> Hi Mike,
> 
> Just to be clear:
> 
> After we receive the Nicomatic connectors, make one more T-Board/cable 
> assembly that is the same as the one you did, and 2 more with a right angle 
> turn but from the other direction than the one you did.
> At this point, let's not put Nicomatic connectors on the remaining two V2 
> T-Boards.
> 
> We only need 4 total of the V2 T-Board/Cable assemblies which we will ship 
> to Zhenyu before June 13th.  When the new V2.1 T-Boards are available, we 
> will assemble the remaining 6 production cables to 6 of the V2.1 T-Boards, 
> 3 of each right angle option.
> 
> Zhenyu, please let us know if this summary is not correct.
> 
> Regards,
> Steve Valentino
> 631-344-4644
> 
> -----Original Message-----
> From: Star-fst-l <star-fst-l-bounces AT lists.bnl.gov> On Behalf Of Zhenyu Ye
> Sent: Wednesday, May 29, 2019 11:27 PM
> To: Gerard Visser <gvisser AT indiana.edu>
> Cc: star-fst-l AT lists.bnl.gov
> Subject: Re: [Star-fst-l] Confirm connector type on T-board
> 
> We will try to fully populate one inner hybrid and one outer hybrid. They 
> will be connected to two T-boards, separately, to get maximum flexibility. 
> 4 (=2+2) cables are in case a cable get damaged or not working. 
> 
> Zhenyu
> 
>> On May 29, 2019, at 10:08 PM, Gerard Visser <gvisser AT indiana.edu> wrote:
>> 
>> Hi Zhenyu,
>>      So you will really commit 32 APV chips to hybrids which will not be 
>> used with sensors? (And even if so, there is a purpose to reading all 
>> those out simultaneously? I'm not sure... But it is ok of course.)
>> 
>>      Gerard
>> 
>> 
>> On 5/29/2019 10:58 PM, Zhenyu Ye wrote:
>>> Hi Gerard,
>>> I was thinking about 4 (2+2), but then wrote 6 (3+3) to be on the safer 
>>> side in case things fail or connectors get damaged during 
>>> plugging/unplugging. 4 is ok.
>>> Zhenyu
>>>> On May 29, 2019, at 9:48 PM, Gerard Visser <gvisser AT indiana.edu> wrote:
>>>> 
>>>> hi Zhenyu,
>>>>    Will the V2 T boards ever be used with a sensor? If not, do we really 
>>>> want to make 6? I'm not sure of the point of making so many (with cables 
>>>> and Nicomatic connectors and all).
>>>> 
>>>>    Gerard
>>>> 
>>>> 
>>>> On 5/29/2019 9:49 PM, Zhenyu Ye wrote:
>>>>> Thanks for the nice work, Mike/Steve.
>>>>> If I remember correctly, you have six V2 T_boards. About the direction 
>>>>> of the cable for these T_boards,  please make two more that is the same 
>>>>> as the one you did, and the other three with a right angle turn but 
>>>>> from the other direction than the one you did.
>>>>> We will also need a few (six) V2.1 T_boards assembled once SDU get the 
>>>>> new boards. How many spare cables will you have after the above V2 
>>>>> T_board assembly? If the number is less than 6, we need to save them 
>>>>> for V2.1 T_boards.
>>>>> Best,
>>>>> Zhenyu
>>>>>> On May 29, 2019, at 9:56 AM, Valentino, Stephen <svalentino AT bnl.gov> 
>>>>>> wrote:
>>>>>> 
>>>>>> Hi Zhenyu and all,
>>>>>> 
>>>>>> Mike C. test soldered an Inner cable to the V2 T-Board.  The wiring 
>>>>>> will fit snuggly in 5.12mm so a 6.2mm height restriction should be 
>>>>>> fine.
>>>>>> 
>>>>>> See details at the link below.
>>>>>> https://drupal.star.bnl.gov/STAR/blog/steve/test-soldering-fst-inner-cable-t-board-29may19
>>>>>>        
>>>>>> 
>>>>>> In the pictures, you can see that the cable makes a right angle turn 
>>>>>> then enters the T-Board on the short side nearest the via holes the 
>>>>>> cable is soldered to.  When we solder up the rest of the V2 T_boards 
>>>>>> we have, from which direction should the cable approach the T-Board?  
>>>>>> Does it even matter for the tests?
>>>>>> 
>>>>>> Regards,
>>>>>> Steve Valentino
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> 
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