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[ts-7000] TS-7200 and Amateur Radio

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Subject: [ts-7000] TS-7200 and Amateur Radio
From: "koehnp" <>
Date: Fri, 25 Mar 2011 01:25:32 -0000
Hello, folks!

I'm working on an interesting problem that at the moment has me stumped.  I 
have a TS-7200, and plan on using it (and some of the other TS add-on boards) 
to build a communications package for a weather balloon experiment.

I've got the TS up and running with Debian Linux (that comes with the 
development kit), and can communicate with it using my Linux box (ground 
station) or my XP desktop.  Both Com1 and com2 work equally well for that, no 
problem there.

The trouble starts when I connect the TNC (think radio modem) to com1 (I need 
the hardware flow control that com2 doesn't have).  I'm using minicom to talk 
to the TNC.  No response from the modem whatsoever.  I'm getting the occasional 
linefeed when I turn on the TNC, but nothing recognizable as the TNC's startup 
messages. 

I've checked the cables, and the TNC fires up flawlessly when connected to my 
Linux groundstation or my XP desktop.

Any advice?

Patrick



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