[OZAPRS] MFJ 1270C uidigi

[Murray Parnell]

Hi Tim
This could be similar to the KPC3 issue.
Check the comments out on the bottom of this page.

http://blog.aprs.fi/2011/03/kantronics-kpc3-considered-harmful.html?m=1

Try joining the RTS and CTS pins together..... worth a try, can't hurt.

Murray
VK2UMZ

On Sat, 13 Jul 2019, 5:15 PM Tim Logan <timlog77 at gmail.com> wrote:

> Thanks Scott, this 1270c hasn’t been used with uidigi previously, so you
> may be onto something with it being a “C” issue. I will connect a terminal
> program to it and see what I can see.
>
> Sent from my iPad
>
> On 13 Jul 2019, at 5:06 pm, Scott Evans <vk7hse at gmail.com> wrote:
>
> It's been well over ten years since I touched uidigi, but I recall that
> you can connect a terminal program to seeing debug messages. It might also
> be that the MCU it's getting stuck in a loop and the watchdog timer kicks
> in and the MCU locks up.
>
> I know that the MFJ-1270B TNC's don't have the issue with this, but I
> can't recall if there's an extra mod needed to be done with the MFJ-1270C
>
> I'll dig though some old paperwork her and see if I have anything on the
> topic...
> ------------------------------
> *From:* OZAPRS <ozaprs-bounces at aprs.net.au> on behalf of Tim Logan <
> timlog77 at gmail.com>
> *Sent:* Saturday, July 13, 2019 4:49:31 PM
> *To:* OZAPRS at aprs.net.au
> *Subject:* [OZAPRS] MFJ 1270C uidigi
>
> Hi brains trust,
> I’ve got a MFJ 1270c running uidigi. After about a day of running it
> appears to go to sleep... the dcd light still indicates it is seeing data,
> but the tx side stops, eg tx indicator doesn’t light up on the tnc, A power
> down cycle fixes it and away it will go again for about 24hrs or so. While
> in sleep it doesn’t beacon it’s own position. It’s running on a stable
> power supply. Any suggestions ?
> Tim
> VK2HLT
>
> Sent from my iPad
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