Was the problem the Max232 chip?
73 Jerry NY2KW
-----Original Message-----
From: Amps [mailto:amps-bounces@contesting.com] On Behalf Of Gerry Hull
Sent: Tuesday, July 3, 2018 5:17 PM
To: cwdxer@cwdxer.net; amps@contesting.com
Subject: Re: [Amps] Alpha 87a No RS-232
Yep -- he already has and I have a good-to-go plan. Glenn has been awesome.
73,
Gerry Hull, W1VE Hancock, NH USA
On Tue, Jul 3, 2018 at 5:11 PM Mike <cwdxer@cwdxer.net> wrote:
> Gerry,
>
> I suggest you contact Glenn AE0Q at Service@alpharfsystems.com. Glenn
> has helped me for years whenever I had issues with my 87A.
>
> 73 de Mike W1YM
>
>
> On 7/2/2018 7:49 AM, Gerry Hull wrote:
> > Hello All,
> >
> > We have two Alpha 87as at K2LE. They have been rock solid amps for
> > decades.
> > However, we operate remotely, and rely upon RS-232 using the great
> > DF3CB software.
> >
> > We have the same failure mode in both amps. The TX side of the serial
> > port has failed. We can command the amp on,
> > But that is it. We have verified multiple times and multiple ways that
> > the cable and ports are working perfectly (short TX/RX Pins on the
> > amp-side connector and ensure echo on a terminal program).
> >
> > I see very little about this subject in the archives. Has anyone
> > else experienced this?
> >
> > Does anybody know if the Max232 chip is soldered? This is what I
> suspect,
> > since the amplifier is fully functional otherwise.
> >
> > Is there some master reset we can try with a combo of front panel
> buttons?
> >
> > Your collective wisdom appreciated.
> >
> > 73, Gerry W1VE
> > For Andy, K2LE and the team
> >
> >
>
>
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