[Ham-Mac] USB Serial adapters

[Marcel van der Bilt]

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http://francis.courtois.free.fr/jc1/serial/Resources/DIN8toDB25.html
I cannot find the schematics any more of francis deck pic programmer
but he used som resitors and one transistor to cope with the voltages
worked great on my old adb bus hacks
http://my.execpc.com/~fdeck/

Marcel
pe2vdb

On Jun 23, 2005, at 5:23 PM, Don Agro wrote:


> Hi Chris,
>
> On 23-Jun-05, at 11:05 AM, Chris Smolinski wrote:
>
>
>
>> Here is the 8 pin Mac serial port pinout, there is only ONE output  
>> handshake line:
>>
>>
>
> The point I was making is that the RS-422 port can be strapped to  
> work with RS-232 devices including hardware handshake devices, the  
> RS-232C port CANNOT be used with RS-422 devices.
>
> If you are interested in keying your rig with the DTR and RTS lines  
> and eliminating level shifters the microHAM device is a much better  
> all round choice...
>
> <http://www.microham.com/USB%20interfaces.html>
>
> I have all of them in the lab and they all work great with the more  
> than 60 radios that MacLoggerDX supports.
>
>
> 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
>     iChat AV:dogpark at mac.com
>
> _______________________________________________
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>
>


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