I've had better luck with Cool Term: http://freeware.the-meiers.org/

I'd also suggest to start without flow-control or parity turned on, so
STAT57N1D.  Is there a reason you're using parity and/or flow control?

-Josh

On Fri, Apr 5, 2019 at 9:32 AM Thomas Morehouse <[email protected]> wrote:
>
> Wow - after several weeks, sounds like I'd need to start over.
>
> On the FTDI link, I only see a chip on a board - not a cable.   Are we saying 
> I'd need to open the laptop and replace a chip on the m/board, then find new 
> drivers?
>
> And if so, how would that affect the TeraTerm, the cable(s) and the null 
> modem adapter that I've tried so far?
>
> Thanks.
> Tom M.
>
>
> On Fri, Apr 5, 2019 at 9:24 AM John Gardner <[email protected]> wrote:
>>
>> Yes,  but tieing the TX & RX pins together physically tests
>>
>> the whole TX & RX path  -  And the convertor,  on the PC
>>
>> side.  Like Birt,  I suspect your Prolific device.
>>
>>
>>
>> On 4/5/19, Thomas Morehouse <[email protected]> wrote:
>> > John - isn't that the same as using half/full duplex?  TeraTerm on Win10
>> > lets me "echo" sent characters; duplex on TELCOM lets me do the same on the
>> > 102.
>> >
>> > Tom M.
>> >
>> >
>> > On Fri, Apr 5, 2019 at 9:11 AM John Gardner <[email protected]> wrote:
>> >
>> >> You should be able to tie ("loop back") the TX pin of
>> >>
>> >> your convertor to the RX pin,  so that sent characters
>> >>
>> >> are echoed to the display.  Same deal on the MT side.
>> >>
>> >>
>> >>
>> >> On 4/5/19, John Gardner <[email protected]> wrote:
>> >> > Been there,  done that - I've had good luck with the FTDI-based
>> >> >
>> >> > convertors sold by Adafruit.  Some good tutorials on that site too.
>> >> >
>> >> >  https://www.adafruit.com/product/284
>> >> >
>> >> > On 4/5/19, Jeffrey Birt <[email protected]> wrote:
>> >> >> FWIW, I have had very bad luck with Prolific USB<->Serial converters.
>> >> The
>> >> >> have failed to work 90% of the time when I have tried them (on
>> >> >> multiple
>> >> >> platforms, applications, etc.)
>> >> >>
>> >> >>
>> >> >>
>> >> >> FDTI converters are much better, far, far fewer issues.
>> >> >>
>> >> >>
>> >> >>
>> >> >> I’m not saying for certain that the Prolific adapter is your issue but
>> >> if
>> >> >> it
>> >> >> were me, I would suspect it.
>> >> >>
>> >> >>
>> >> >>
>> >> >> Jeff_Birt (Hey Birt!)
>> >> >>
>> >> >>
>> >> >>
>> >> >>
>> >> >>
>> >> >> From: M100 <[email protected]> On Behalf Of Thomas
>> >> >> Morehouse
>> >> >> Sent: Friday, April 5, 2019 7:15 AM
>> >> >> To: [email protected]
>> >> >> Subject: Re: [M100] TeraTerm - still not communicating
>> >> >>
>> >> >>
>> >> >>
>> >> >> John - sorry, but I'm a dolt.  Unfortunately I have no idea what
>> >> "looping
>> >> >> back both sides" means.
>> >> >>
>> >> >>
>> >> >>
>> >> >> Hitting a brick wall!
>> >> >>
>> >> >> TM
>> >> >>
>> >> >>
>> >> >>
>> >> >>
>> >> >>
>> >> >> On Fri, Apr 5, 2019 at 8:08 AM John Gardner <[email protected]
>> >> >> <mailto:[email protected]> > wrote:
>> >> >>
>> >> >> OK.  sounds like you know what you're doing.
>> >> >>
>> >> >> Have you tried looping back both sides of the connection?
>> >> >>
>> >> >> On 4/5/19, John Gardner <[email protected] <mailto:[email protected]> >
>> >> >> wrote:
>> >> >>> On the Device Manager toolbar,  click View & select "Show
>> >> >>>
>> >> >>> hidden devices".  What do you see now?
>> >> >>>
>> >> >>> I'm not familiar with Prolific-based USB to Serial devices;
>> >> >>>
>> >> >>> do you have the requisite driver loaded?
>> >> >>>
>> >> >>> On 4/5/19, John Gardner <[email protected] <mailto:[email protected]> >
>> >> >>> wrote:
>> >> >>>> In W10,  open the Control Panel,  click on Device Manager,
>> >> >>>>
>> >> >>>> click Ports (COM & LPT) - COM1 is normally the default - Is
>> >> >>>>
>> >> >>>> that what you see?
>> >> >>>>
>> >> >>>> On 4/5/19, Thomas Morehouse <[email protected]
>> >> >>>> <mailto:[email protected]> > wrote:
>> >> >>>>> Gentlemen -
>> >> >>>>>
>> >> >>>>> I've got my 102 connected to my Win10 laptop.
>> >> >>>>>
>> >> >>>>> USB to serial cable, with null modem adapter.
>> >> >>>>>
>> >> >>>>> I've got Telcom STAT set to 57E1E.  Then I choose TERM.
>> >> >>>>>
>> >> >>>>> I've got TeraTerm set to Com6/Prolific, with port set to 1200 bps,
>> >> >>>>> 7E1,
>> >> >>>>> xon/off.
>> >> >>>>>
>> >> >>>>> Still no comms either way.  Characters typed on either device don't
>> >> >>>>> appear
>> >> >>>>> on the other device.
>> >> >>>>>
>> >> >>>>> I'm just guessing at how to use TeraTerm, as even in the help files
>> >> >>>>> I
>> >> >>>>> find
>> >> >>>>> no "step by step" to connecting.  In other words, what to do when.
>> >> >>>>>
>> >> >>>>> Advice from a TeraTerm user needed!
>> >> >>>>> Thanks.
>> >> >>>>> Tom M.
>> >> >>>>>
>> >> >>>>
>> >> >>>
>> >> >>
>> >> >>
>> >> >
>> >>
>> >

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