12684Re: [tracker2] Re: PC to OT2 Serial Connection
- Jul 3 10:10 AMOne needs to have a kit with a pair of gender benders and a null modem adapter. Then you have it all covered. Once in a blue moon, you may need a 9 to 25 pin adapter.
The DB-9 connector on the back of the Tracker2/OT2M is Male,
the DB-9 connector on the back of the laptop is Male, so if
one thinks of the two connected cables between them as a single
continuous null modem cable it must be Female at both ends.
Perhaps, before this will work, I need to reverse the cable
for some reason?
Or, perhaps I need to add the handshaking to the laptop end,
and then it will work?
Or, is gtkterm not the right Linux app to be using?
It seems odd that after all these years there is not yet a
Linux (or preferably platform independent) alternative to
OTWINCFG (which is dependent upon a proprietary and problem-
plagued MS version of windows).
I read where someone was speculating about Python.
Sure wish I had the coding skills but don't even remember
what little I used to know and use daily as a sys. mgr!
> M & M Nenowrote: Your cables are back to front, normally the serial
> extension is Mto F or to be PC, plug to socket,& null, in this case
> 3 wirecrossover socket to socket. You will probably need to take
> port A out ofkiss to get a connect. Not sure how to do that with
> linux, easy withwindoz tho. You could use OTWINCFG program to change
> to AUTO, or AGWPEwill take it out of kiss for you too, or send over
> air cmd' message tochange mode.
> 73, Murray,
> Subject: Re: [tracker2] Re: PC toOT2 Serial Connection
>female-to-female 2-2, 3-3, 5-5 DB9 straight thru
>> I have assembled a
>> cable and amale-to-female 2-3, 3-2, 5-5 DB9 null modem cable and
>> have connectedthem between the serial port on my laptop to the
>> "serial" port on myTracker2/OT2M.
>> I have gtkterm loaded in
>> I set Configuration - Local Echo to
>>None or to
>> When Configuration - Port - Flow Control is set to
>> RTS/CTS the only response I receive when power is appliedto the
>> Tracker2/OT2M is a single character that looks like anancient
>> Greek "P" or something. (Also, none of the LEDs remainlighted on
>> the OT2M box.)- Port - Flow Control is set to Xon/Xoff I get
>> When Configuration
>> an endless screen ofjunk characters. (The LED labeled "ACT" on
>> the OT2M remainslighted.)
>> Where should I look for the solution,
>>should it talk to
>> Was I supposed to set jumpers in the OT2M or
>> gtkterm as-shipped?Thanks!
Thanks! & 73, KD4E
David Colburn http://kd4e.com
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