[time-nuts] Austron 2100 HPIB/GPIB/IEE-488 cards
GandalfG8 at aol.com
GandalfG8 at aol.com
Thu Jun 27 07:46:29 UTC 2013
Hi Paul
I'm not sure if we're talking about the same thing, on the GPIB interface
schematic I'm looking at there's four 74LSxxx ICs used for address decoding
and buffering followed by an MC68488P interface adapter driving a pair of
MC3447P bidirectional bus transceivers and that's it.
The manual I'm using is at......
http://rapidshare.com/files/316522356/Austron_2100_Timing_Receiver.pdf
or as a smaller "optimised" file......
http://rapidshare.com/files/303627596/Austron_2100_Timing_Receiver_Opt.pdf
Regards
Nigel
GM8PZR
In a message dated 27/06/2013 03:20:25 GMT Daylight Time,
paulswedb at gmail.com writes:
There is a strangle hdlc or dual port ram thing.
On Wed, Jun 26, 2013 at 5:15 PM, <GandalfG8 at aol.com> wrote:
> Hi Iain,
>
> There's probably not too many of these floating about but it's a very
> straightforward circuit and the Motorola ICs are still available on
Ebay,
> albeit
> probably all recycled, so building one on Veroboard or similar shouldn't
> be difficult.
>
> There's no programmable devices in the interface circuit and the manual
> instructions for retro-fitting are just plug and go so the standard 2100
> firmware must contain what it needs for the GPIB interface.
>
> Regards
>
> Nigel
> GM8PZR
>
>
> In a message dated 26/06/2013 21:29:53 GMT Daylight Time, iain at g7iii.net
> writes:
>
> Hi Folks,
>
> Having recently acquired two Austron 2100 Timing Receivers which
> did not have the GPIB/HPIB/IEEE-488/whatever you wish to call it
> cards in, I was wondering if any time-nuts had any hanging around
> that they wanted to dispose of ?
>
> If so, let me know off list, I'm certainly interested in two (esp
> as I'm currently hoping cleaning the switch contacts with
> isopropyl alcohol will make them function properly again)
>
> Having HPIB would get around the problem if the cleansing fails
> and remote command and control would be very useful anyway
>
>
> All the Best
>
> Iain
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