On Nov 22, 2005, at 11:57 AM, Bekir Kemal Ataman wrote:
I am afraid vintage Macs do not have an RS232 port ;-)
If you don't have an RS232 port, you don't have a DTR to connect
to, and you
won't be keying your K2 that way.
I must have misexpresed myself. Sorry about that. The Macs do have
a serial
port but the connector is not an RS232. I do not know what they are
called
but they are cylindrical in shape, like the mouse connectors on PCs
and
they have got 8 pins in them. One of them gives the DTR.
Actually RS-232 refers to the signal names and levels, although a
DE-9 (Cannon nomenclature) connector is often used (sometimes it is a
DB-25, particularly for modems).
A good place to find information related to Macintosh radio
applications is the "ham-mac" mailing list <http://mailman.qth.net/
mailman/listinfo/ham-mac>.
73,
Bob, N7XY
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