[arm-allstar] Transmit on Boot or Restart

[Doug Crompton]

Travis,

 As I pointed out when using cosfrom of usb turning off the radio will
cause the node to keyup any outstanding connections. Here are the rules -

In portable operation if you are shutting down your need to turn off both
the server and the radio properly. Doing this manually you would use the
DTMF code (Typically *B1) to shutdown the server. It will tell you it is
going down via a message to the radio. Then remove power from both the
radio and the server. You should never just remove power from the server
without shutting it down properly.

If you used the power down board it would be automatic when you disconnect
power from both the radio and the server it would properly shutdown the
server using the backup battery and then remove power from both the server
and the radio. This is assuming you are using an 888.


*73 Doug*

*WA3DSP*

*http://www.crompton.com/hamradio <http://www.crompton.com/hamradio>*




On Fri, Apr 27, 2018 at 1:09 PM, Travis French <tfrench at pcb.com> wrote:

> This may sound silly but would forcing the node it to I.D. first thing
> after boot and after any restarts remedy this? Can this be scripted if so?
> This node is intended for portable/mobile operation so turning it on and
> off would be the norm. I did want to add one of those shutdown boards as
> well. Unless of course there is a circuit/hardware workaround that I should
> consider?
>
> Lastly, I have a USB RIM-LITE on my Alinco which is nice and another USB
> RIM-LITE that I was going to use for a different application. Are these not
> susceptible to this and "safer" for portable use if you will?
>
> Thank you in advance,
>
> K2PCB
>
>
> -----Original Message-----
> From: arm-allstar <arm-allstar-bounces at hamvoip.org> On Behalf Of "Doug
> Crompton via arm-allstar"
> Sent: Friday, April 27, 2018 9:21 AM
> To: ARM Allstar <arm-allstar at hamvoip.org>
> Cc: Doug Crompton <wa3dsp at gmail.com>
> Subject: Re: [arm-allstar] Transmit on Boot or Restart
>
> Travis,
>
>   You CANNOT turn off or disconnect the radio from a FOB on a server that
> uses a COS mode of USB which the 888 does. The reason is that the FOB has
> an internal pullup on the COS line and if you disconnect or disable the
> radio the line will pull up and simulate keying. This would be shown in the
> 'V' View option of simpleusb-tune-menu. For the 888 cosfrom needs to be set
> to USB.
>
> As long as you are not connected anywhere and you are using simplex mode
> turning off or disconnecting the radio would not be a problem but generally
> it is advisable to never turn off or disconnect the radio in any case when
> using Allstar and in a connected state as the state of the cos line would
> be unpredictable.
>
>
> *73 Doug*
>
> *WA3DSP*
>
> *http://www.crompton.com/hamradio <http://www.crompton.com/hamradio>*
>
>
> On Fri, Apr 27, 2018 at 8:55 AM, "Travis French via arm-allstar" <
> arm-allstar at hamvoip.org> wrote:
>
> > Good Morning,
> >
> > I apologize if this topic has been covered before.
> >
> > I just configured a Baofeng 888 node radio for portable use. To verify
> > that this portion of the system was working properly I disconnected my
> > Alinco from my home node and attached the Baofeng (it has its own
> > fob). On boot it began to transmit. No problem, I just need to flip the
> PTT trigger.
> > Well, it turns out, it may not be that simple.
> >
> > What I am seeing is that it will transmit until keyed. If it
> > identifies or I send a test tone, it recovers and remains stable. If I
> > reboot or restart, it goes back to transmit. I think I read some
> > previous posts talking about this PTT voltage not being stable on
> > boot. I am just not sure I found where the fix was.
> >
> > Thoughts?
> >
> > Thank you in advance,
> >
> > Travis - K2PCB
> >
> > _______________________________________________
> >
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> >
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> >
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