[Xastir] I finally got it!

[Michael Lewis]

  John, his null modem cable is a loop back handshaking null modem cable

On 9/17/2010 9:21 AM, John Wilson wrote:

> On Fri, 2010-09-17 at 08:01 -0400, John Wilson wrote:
>
>> When I first got into Ham Radio, my first TNC was an AEA PK-88. It had
>> a 25 pin RS232 port and I used a 25 - 9 serial cable I had. Last night
>> as I was testing, still not getting any signals to the computer from
>> the TT4, I also thought about the cable, thinking that using the Null
>> Modem cable for communication with Xastir, may not be the right cable
>> and I should be using a serial cable. Checking pinouts now to confirm
>> my thoughts.
>>
>> John
>
> Adding to that...there are four different versions, depending on the
> application, as to what null modem cable is needed.
>
> Null modem without handshaking
> Null Modem with loop back handshaking
> Null Modem with partial handshaking
> Null Modem with full handshaking.
>
> You can find full pinouts here.
>
> I have an email into Byon about the cable for use, to see if there is a
> difference in the configuration null modem and cable for use with a
> computer and APRS program...see if we can narrow this down without
> bouncing around like a bead of water in a frying pan.
>
> 73 John
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