[Ham-Mac] USB Serial adapters

[Don Agro]

Hi Tim,

On 23-Jun-05, at 6:29 AM, Tim McLeod wrote:

> I plan to purchase a Keyspan USB to serial adapter for my TNC etc  
> but would
> like some feedback on the Twin Serial adapter (RS422) vs the High  
> Speed
> serial adapter (RS232).  I may also use it for rig control at some  
> later
> date.

I have had good luck with both - just the cabling requirements differ  
for RS-422 vs RS-232.

<http://www.dogparksoftware.com/MacLoggerDX/Manual/Pages/cables.html>

The microHAM devices also include level converters and cabling for  
DTR and RTS CW keying...

<http://www.microham.com/USB%20interfaces.html>

This can save you a few dollars if your rig requires a level  
converter like the CT-17, FIF-232C or CT-62.


73 Don Agro VE3VRW

D o g   P a r k   S o f t w a r e   L t d .

email: dagro at dogparksoftware.com
   www: http://www.dogparksoftware.com
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