cctalk Digest, Vol 90, Issue 7 - Re: DEC H500 Digital Computer Lab

[Tom Hunter]

Hi Gerhard,

The Farnell plugs seem to be 2 mm not 0.1".
I suspect the Pomona plugs you mentioned earlier will be a better fit.
You need at least 100 leads which means at least 200 plugs.
I would get samples of both types before committing to a larger purchase.

Best regards
Tom

On Mon, Mar 14, 2022 at 4:55 PM DI Gerhard Kreuzer <
gerhard.kreuzer at liftoff.at> wrote:

> Hi Tom,
>
> here another source/manufacture ..
>
> 2550327.pdf (farnell.com) <https://www.farnell.com/datasheets/2550327.pdf>
>
> With best regards
>
> Gerhard
>
> Zitat von Tom Hunter <ccth6600 at gmail.com>:
>
> Hi Gerhard,
>
> Yes - these look good but the price is much higher than what I paid. As I
> no longer work, modifying the cheap Chinese banana plugs was viable. If you
> still work and are time limited then the Pomona plugs may be the better
> option. It may be best to get a small number first to try before committing
> to a larger order.
>
> Best regards
> Tom
>
>
>
>
> On Mon, Mar 14, 2022 at 1:06 AM DI Gerhard Kreuzer <
> gerhard.kreuzer at liftoff.at> wrote:
>
>> Hi Tom,
>>
>> what do you think about this parts:
>>
>> Microsoft Word - D5936.doc (mouser.at)
>> <https://www.mouser.at/datasheet/2/159/D5936-1514588.pdf>
>>
>> Looks like 0.09" diameter.
>>
>> With best regards
>>
>> Gerhard
>>
>> Zitat von Tom Hunter <ccth6600 at gmail.com>:
>>
>> Hi Gerhard,
>>
>> I used the following banana plugs:
>>
>> https://www.aliexpress.com/item/1005002907717547.html
>>
>> Please note that only about 30% of the plugs I received were a good fit.
>> The rest I had to modify.
>>
>> I had to remove the barrel shaped contact spring and compress it
>> carefully to open it up to make good contact with the sockets.
>> I also soldered the barrel shaped contact spring onto the plug body. It
>> is a lot of work to make the patch cables with plugs which don't quite fit,
>> but with the modification the result is now neat and usable.
>>
>> I couldn't find anything else with a better fit. The original 0.1" taper
>> pins are "unobtainium".
>>
>> Regards
>> Tom
>>
>>
>>
>> On Sun, Mar 13, 2022 at 7:18 PM DI Gerhard Kreuzer via cctalk <
>> cctalk at classiccmp.org> wrote:
>>
>>> Hi,
>>>     I also have an H500 waiting for restoration.
>>>     Maybe anyone can give better winfos about the plugs/connectors of the
>>> patch cables.
>>>
>>>     I didn't have any, I have to make new.
>>>
>>>     With best regards
>>>
>>>     Gerhard
>>>
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>>
>>
>>
>
>
>