8 Oct
2007
8 Oct
'07
11:37 a.m.
From: dgriffi at cs.csubak.edu> > On Sun, 7 Oct
2007, Tony Duell wrote:> > > I can rememebr what 4 are :-)> >> > 1)
An old RS23 breakout box. Real slide-switches to open all the wires,> > and 2mm
sockets for cross-patching. The main signals are monitored by> > transistor-driven
filament lamps, the whole thing is mains-powered,, said> > PSU also prvides +12V and
-=12V outputs for forcing handshake signals> > ARRGG!!! You've provoked me into
building a banana-jack breakout box!>
Of course if you make one, put all the
connector combinations
on each side. Also put an extra connector on it that can be
used to snoop the data in progress between two machines.
One can usually put two receivers on a single drive.
I've used this method to analyze unusual protocols in the
past. It is handy.
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