[j-nsp] Part Numbers

[Josef Buchsteiner]

Sunday, February 15, 2004, 11:21:26 AM, you wrote:

DR> On Sun, Feb 15, 2004 at 10:49:01AM +0100, Josef Buchsteiner wrote:
>> DR> But the chassis has a serial number of it's own, in addition to
>> DR> the midplane serial number...
>> 
>>     correct.. all FRU's SN#'s are pointing to this id

DR> What does that mean? That you can deduct the chassis for which a PIC
DR> was originally purchased for from the PIC's SN#?
DR> I somehow doubt that
DR> you can encode the chassis SN# into the 2-chars-plus-4-numbers SN#s
DR> of PICs, so I guess I misunderstood you?!? :-)

    why not ? it's just a matter of a database.

>> and this Chassis SN# has a very special meanings for different tasks.

DR> E.g. support contract validation.

    correct

DR> Where is the chassis SN# stored btw? Some small PCB in the chassis,
DR> connected via some ribbon cable to the midplane? Or even in the
DR> midplane, given that you can order only the whole chassis+midplane
DR> as RMA replacement, not the midplane alone?

    midplane

    have you ever seen a midplane replacement without alignment tools ?
    Any midplane needs to come with the frame it is installed on.

    Josef


DR> Best regards,
DR> Daniel
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