At 09:57 AM 9/12/02 -0700, you wrote:
>
>--- Joe <rigdonj_at_cfl.rr.com> wrote:
>> Ethan,
>>
>> At 09:02 AM 9/11/02 -0700, I wrote:
>> >
>> >--- "J.C. Wren" <jcwren_at_jcwren.com> wrote:
>> >> I acquired a pair of HP-4952A protocol analyzers...
>> >
>> >I have a pair of portable HP protocol analyzers (...4951A and 4951B)
>>
>> I have a 4951. It uses the same tapes as the HP-85, HP 9825, etc. IIRC
>> they're DC-100 tapes and you can use the same (40MB?) tapes that were
>> used in PCs.
>
>Really? Didn't know the PC tapes would work in the older drives. Given
>that the storage capacity of a DECtape and an old PC backup tape are
>so wildly different, I didn't assume the media was compatible even if
>the shell would fit in the drive.
You have to reformat them but yes, the OLD PC tapes work fine in the HPs.
>
>> You can also reformat and use DECTapes.
>
>Right. That's what my boss used to do. I have plenty of 4951-formatted
>DECtapes to last me a while (5-10, IIRC).
Just be carefull who you tell about that. The DECheads get real sensative to anybody putting DEc stuff to REAL work. :-)
>
>> But check your drive first, you'll probably find that it has the same
>> problems (melted tape drive roller) as the HPs usually do.
>
>That's a common problem with all these drives. I've already replaced
>the melted rubber in one TU-58 with tygon tubing. I can do it again.
>
>Last time I checked (six months ago), the 4951s hadn't melted yet.
>
>> My 4951 is in storage but I'm pretty sure that there's a operators
>> manual with it.
>
>I have a operator's manual somewhere, too. I'd _really_ love to lay my
>hands on a maintenance manual.
Me too. I have an option board in mine that had batteries on it that leaked and some of the surface mount parts fell off. I'd like to get a schematic and fix it. Fortunatly the machine works fine without it. I got the machine dirt cheap because of the battery damage and all I had to do to make it work was to unplug that card.
Joe
>
>-ethan
>
>
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Received on Thu Sep 12 2002 - 13:56:54 BST