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[aprssig] Tracker serial port usage

Jason Winningham jdw at eng.uah.edu
Tue Dec 21 13:08:37 UTC 2004


On Dec 20, 2004, at 5:58 PM, Scott Miller wrote:

> I'm thinking of modifying the OpenTracker design so that it provides 
> the
> 1-wire bus signal and possibly a +5v supply as well on the DB9 used 
> for the
> serial port.  I'm curious if anyone knows of any other non-standard 
> uses of
> these pins in the packet world that I should be aware of.

I asked a similar question a couploe of weeks ago and got no answer.  
Google wasn't helpful, either.

I chose to add the +5V I needed on pin 9, since it has no connection in 
a standard RS232 DB9 connection.  All other pins have signals assigned.

-Jason
kg4wsv





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