[arm-allstar] Transmit on Boot or Restart

[Travis French]

Good Morning Jeff,

Thanks for the suggestion. I will try inverting the signal. In the meantime, I hooked it with the RIM-LITE this weekend and it has been running with no issues.

Thank you again,

K2PCB

Travis E. French
PCB Piezotronics
Microelectronics – Production Supervisor I
(716) 684-0002 ext. 2238
tfrench at pcb.com


-----Original Message-----
From: arm-allstar <arm-allstar-bounces at hamvoip.org> On Behalf Of "Jeff Karpinski via arm-allstar"
Sent: Friday, April 27, 2018 2:10 PM
To: ARM Allstar <arm-allstar at hamvoip.org>
Cc: Jeff Karpinski <jeff at 3d0g.net>
Subject: Re: [arm-allstar] Transmit on Boot or Restart

Are you running PTT active high? I found the same problem. I ended up going ‘by the book’ and inverting the signal with a transistor, but while running PTT high, yes, kicking off any transmit during startup kicked things back in order. There’s a startup_macro option in rpt.conf.


> On Apr 27, 2018, at 11:09 AM, Travis French via arm-allstar <arm-allstar at hamvoip.org> 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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