[widar-wg] CPCC Battleshort Fixture

[Brent Carlson]

Kevin,

Could another commodity COTS PC be used?  That was the intent of using
COTS equipment in the first place.  I'm pretty sure NI still sells the
6509 board.

Brent

> Hi Sean,
>
> The CPCCs are not common machines and these particular ones come from one
> source only; as time goes on, we may have difficulty finding drop in
> replacements.  I'm being overly paranoid.
>
> Kevin
>
> On Jun 22, 2011, at 12:04 PM, Sean Dougherty wrote:
>
>> Kevin,
>>
>> Why would the correlator be down for weeks if we lose the CPCC and the
>> spare? Isn't it a case of replacing the CPCC and associated software -
>> if
>> so, does that take so long?
>>
>> Sean
>>
>>
>> -----Original Message-----
>> From: widar-wg-bounces at nrao.edu [mailto:widar-wg-bounces at nrao.edu] On
>> Behalf
>> Of Kevin Ryan
>> Sent: June-22-11 10:31 AM
>> To: WIDAR-WG
>> Cc: Kevin Ryan
>> Subject: [widar-wg] CPCC Battleshort Fixture
>>
>> The discussion of CPCC spares prompted me to bring this up.
>>
>> Though it is difficult to imagine how we could lose both CPCCs and the
>> spare, the fact of the matter is that, if we do, the EVLA could be off
>> the
>> air for weeks.
>>
>> A simple 'CPCC bypass' would be RPMIB-cable terminating connectors that
>> are
>> hard-wired to cause the boards to be powered up and the rack fans to be
>> set
>> to high.  With either set of CPCC cables plugged into these terminators,
>> the
>> system would run.
>>
>> This should be relatively inexpensive to implement (connectors, +5V
>> power
>> supply, panel, Kerry).
>>
>> Does this sound like something we should do?
>>
>> Kevin
>>
>>
>>
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>
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