Electronic (component level) circuit diagram for British Telecom
'Minimaster 3' telephone system (aka private branch exchange, 'pbx',
'pabx'). (The actual circuit diagram, as opposed to user guide or
general installation manual). Any format.

Some background info / possible starting points? The links below
indicate the extent of my search so far. I haven't looked too deeply
into either document, bit short on time - no guarantee either will
lead to success directly.

http://web.ukonline.co.uk/freshwater/useguide/mini3g.htm
http://www1.btwebworld.com/sinet/sinlist1.htm

Thanks if you can locate this item.

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Clarification of Question by gan-ga on 15 Feb 2003 09:25 PST

17:23 GMT, I'll be away from computer for around 8 hours in 20 minutes
time - just in case clarification on the question is needed. Thanks.

I'd be surprised if anyone other than the manufacturer can come up
with a cct diagram for this equipment unless they have drawn one
themselves, but an enquiriy on the uk.telecom newsgroup might get some
results if you require specific fault-finding information. You can
access this through groups.google.com if you do not have a newsreader
on your computer.

Owain