Just a tid-bit of information here (useless though it may be) - the RS232
standard does specify a connector - and in fact it is the DB-25 connector.
Other connector configurations may carry the RS-232 signal levels and
signalling protocol, and can come in many different flavors.  The one we
seem to be most concerned with is the DB-9 (more properly a DE-9) connector
which has become the de-facto 'standard' on IBM compatible PCs.  The Apple
world has used mini-din connectors for most everything (including RS-232
level signals) for a long time.

73,
Don W3FPR

> -----Original Message-----
>
>
> 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>.
>

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