Looking at the HP CE handbook for the 2563 from hpmuseum.net, the part number for an original RS232 I/F is 5061-1707 or 26067-69007 if it was a field replacement. RS422 version is 5061-1723/26067-69023.
Hope that helps.
David Collins
> On 22 Apr 2021, at 8:52 am, Tracy Johnson <[log in to unmask]> wrote:
>
> I have a "thing" but I don't know what the part number is.
>
> It is a serial card for an HP256x printer.
>
> And I went over the thing with a magnifying glass. The only numbers I recognize were next the the RS-232/422 jumper.
>
> I have an HP-IB card for it too.
>
>> On 4/21/21 6:41 PM, Stan Sieler wrote:
>> I'd start by entering them into google....most of the ones I look up can be
>> found that way.
>>
>>
>> On Wed, Apr 21, 2021 at 10:32 AM Craig Lalley <
>> [log in to unmask]> wrote:
>>
>>> External Email
>>> The list seems quite lately.
>>>
>>> I have found some old tapes and CD's, MPE/IX Documentation and stuff.
>>>
>>> I have some part numbers I would like to look up. Does anyone know how to
>>> access HP's sales manuals at that time? Or somehow track the part number
>>> back?
>>>
>>> I am not having any luck.
>>>
>>> Thanks,
>>>
>>> -Craig
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>
> --
> Tracy Johnson
> BT
>
>
>
>
>
>
>
> NNNN
>
>
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