[Soekris] Soekris Net4826-50 mounting

Bob Camp soekris at cq.nu
Thu Jun 14 00:43:26 UTC 2007


Hi

They can be found at:

http://www.hammondmfg.com/index.htm

Their die cast boxes are the ones I normally like to use. Very rugged  
and well made.

Bob

On Jun 13, 2007, at 7:16 PM, Jingshao Chen wrote:

> Hi Bob,
>
> Do you have a link to Hammond Industries?
>
> Thanks,
> Jingshao
>
> On Wed, Jun 13, 2007 at 07:33:39AM -0400, Bob Camp wrote:
>> Hi
>>
>> Take a look at Hammond Industries cases. A lot of places sell them
>> including DigiKey. They seem to be a little better made than the ones
>> from Bud.
>>
>> If you are going for more than a few hundred cases then custom begins
>> to make sense.
>>
>> Bob Camp
>>
>>
>> On Jun 13, 2007, at 5:10 AM, ranjith wrote:
>>
>>> Hi,
>>>
>>> Thanks for the answers.
>>> Well actually we figured out that it would be better to use a ready
>>> made
>>> casing for our requirement and not a custom built one...We would
>>> probably look for enclosures on budind.com for that..anyway we
>>> would be
>>> going in for metallic casing..so all your answers would help.
>>>
>>> Thanks
>>> Ranjith
>>>
>>> nicodache wrote:
>>>> Hello,
>>>>
>>>> I'd add that on some "commecial" motherboard (asus, msi, etc), not
>>>> all
>>>> the mouting holes are connected together, I've heard about
>>>> motherboard
>>>> that died of surge problems with some mouting holes unused.
>>>> However, I
>>>> don't know how the mouting holes are on soekris hardware.
>>>>
>>>> anyway, if you make yourself a case, you might think of using
>>>> standard
>>>> mouting brassed screws/spacers, and in that case, you won't have  
>>>> this
>>>> kind of problems
>>>>
>>>> (and if you make yourself a case, would you mind share your case
>>>> plans
>>>> with us ?)
>>>>
>>>> On 6/13/07, Poul-Henning Kamp <phk at phk.freebsd.dk> wrote:
>>>>
>>>>> In message <1181714569.2611.6.camel at localhost.localdomain>,
>>>>> Ranjith writes:
>>>>>
>>>>>> Hi,
>>>>>>
>>>>>> We have purchased Net4826-50 board and case from Soekris. We
>>>>>> would be
>>>>>> mounting the board in another custom built casing.
>>>>>> Please guide as to whether we can either use metallic or non-
>>>>>> metallic
>>>>>> mounting plate for the same? Would the choice of the mounting  
>>>>>> plate
>>>>>> material really matter?
>>>>>>
>>>>> Depends what exactly you are doing with it, it's hard to give
>>>>> blanket advice about something like that.
>>>>>
>>>>> You need to decide up front if you want your (presumably) metalic
>>>>> enclosure to have electrical connection to the GND potential of
>>>>> the 4826.
>>>>>
>>>>> Choosing that this should _not_ be the case puts your soekris
>>>>> at a healthy danger because it will have to take all static
>>>>> electricity spikes on its own, whereas if you keep a common
>>>>> reference potenential for the entire enclosure the box will
>>>>> usually take the hit.
>>>>>
>>>>> Having decided what to do about your reference potential, you need
>>>>> to figure out how to do it.  A metalic mounting plate with metalic
>>>>> spacers is normally an OK reference connection, if you use  
>>>>> isolating
>>>>> spacers or isolated mounting plate, you would need to add a wire
>>>>> from one of the mounting holes on the soekris to your reference
>>>>> potential.
>>>>>
>>>>> --
>>>>> Poul-Henning Kamp       | UNIX since Zilog Zeus 3.20
>>>>> phk at FreeBSD.ORG         | TCP/IP since RFC 956
>>>>> FreeBSD committer       | BSD since 4.3-tahoe
>>>>> Never attribute to malice what can adequately be explained by
>>>>> incompetence.
>>>>> _______________________________________________
>>>>> Soekris-tech mailing list
>>>>> Soekris-tech at lists.soekris.com
>>>>> http://lists.soekris.com/mailman/listinfo/soekris-tech
>>>>>
>>>>>
>>>> _______________________________________________
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>>>>
>>>
>>>
>>> -- 
>>>
>>>
>>> _____________________________________________________________
>>>
>>> Thanks & Regards
>>> Ranjith
>>>
>>> Amrita Research Labs
>>> Amrita Vishwa Vidyapeetham
>>> Amritapuri P.O
>>> Kollam, Kerala - 690525
>>>
>>> Ph:0476-2896318/2896328
>>> Extn: 4102
>>>
>>> http://arl.amrita.edu
>>>
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>>
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