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[aprssig] D710 standalone control head!

Steve Noskowicz noskosteve at yahoo.com
Mon Oct 1 03:50:00 UTC 2007



   What *does* the D710 head-radio cable look like? 
Is  it the same RJ10/11?  If so, the protocol may be
similar (with extensions of course) or.. it could be
all new... (:-) ...uh... Thinking, now, it must have
more audio lines for TNC operation, so that may be a
dumb question...

 The 706 protocol is quite complex with a constant
"are-you-there" chatter and tight timing.
73, Steve, K9DCI


--- Bob Bruninga  <bruninga at usna.edu> wrote:

> > Interesting...  So, if the link between the 
> > control head and the radio itself used 
> > something like Yeasu's CAT or ICOM's CI-Bus,
> 
> I think maybe you missed some important facts in
> previous  posts about this stand alone display head:
> 
> 1) it only connects to audio connections
> 2) it is not a control head (sorry I used that word
> once)
> 3) It comes with the mini-din cable for connecting
> to the audio and discriminator parts of the radio,
> not the serial port.  (Its too bad many
> manufacturers refer to this mini-din as a data
> interface when what they meant was it was an audio
> interface where you cold connect an external digital
> modem...
> 
> Hope that helps...
> 
> Bob, WB4APR
> 
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>
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