26 Jun
2018
26 Jun
'18
11:37 a.m.
From: Paul Koning
I believe the original concept was just a probe that
would poke through
the cable to contact the center connector. The drill came because the
cable was too tough to penetrate without it.
No, the original 3 Mbit Ethernet also used a 'drill' (actually, a cylindrical
cutter which screwed into the thread of the tap housing; threading which was
then used to screw in the transceiver).
Anyway, there has to be a hole cut _through_ the cylindrical ground layer
(foil, or woven wire) around the center conductor. If you just stuck a probe
into the cable to the center conductor, it would short it out.
Noel