[Elphel-support] 10359: cables length and chaining

[Andrey Filippov]

1. From parts list for 10353 I've found you use Hirose
FH12-30S-0.5SV-55connector; however, nor 10338, neither 10359 seem to have
parts list on wiki. Do they use the same connector that is used on 10353
board?

We use different connectors, they just need to be 0.5mm pitch, 30
conductors, 0.3mm thickness of the flex jumper contact area. And I'll check
for the missing parts list on our wiki, thank you for notifying.


> 2. Does 10373 board use the same connectors?


Yes, same ones.


> (wasn't able to find any information about its parts/circuit diagrams on
> wiki - should I look for 10373 data somewhere else?)
>

10373 information is not posted yet - it will appear on our wiki (and be
included in the source tree)  when we'll start shipping the cameras.


>
> 3. If I understood circuit diagrams correctly, currently ground pins are 1,
> 2, 11, 14, 25, 30 - right? Which of these are safe to assume to remain I
> would just try to make signal lines
> grounded in 10373? (and 10379 in the future? ;-)
>

That is correct. And we do not plan to make changes to this pinout - some
later upgrade may use high speed serial links - then it will be completely
different pinout.


> 4. Do you have any recommendations as to the manufacturers of flex
> circuits?
>

No, we did not make any flex circuit yet ourselves.

>
> 5. Did I understood Constantine correctly that if we're going to order
> custom flex cables and send them to you - you should be able to perform
> testing with them?
>

Yes, that may be possible. But why not to test them yourself? Because of
problems to ship cameras to Ukraine?

>
> 6. If you have any other hints/suggestions as to the design/ordering of
> long flex cables suitable for Elphel hardware - I'd be glad and thankful to
> get those ;-)
>

Not much - I do not have any experience with flex circuits yet. But can try
to answer particular questions.

Andrey
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