[Elecraft] K2 with MacOS Classic

[Bob Nielsen]

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