On another note, the serial controller chip needs to support 5 bit data
on the TxD line for FSK to work in Baudot mode. Some of the newest
chips have dropped 5 bit support.
Mike, W1NR
-----Original Message-----
From: writelog-bounces@contesting.com
[mailto:writelog-bounces@contesting.com]On Behalf Of Jerry Pixton
Sent: Sunday, February 08, 2004 10:11 AM
To: Bob Naumann - N5NJ; WriteLog
Subject: Re: [WriteLog] Serial Card Question
At 08:27 AM 2/8/2004 -0600, Bob Naumann - N5NJ wrote:
>Ric is right.
>
>TXD and RXD are the pins that send and receive data. Without them, the
>ports are useless - for rig control in this case.
>
>I doubt that you need these pins to control anything (PTT or FSK).
Not true, FSK is done by toggling the Txd line!
Jerry, W6IHG
>This is usually done on the DTR & RTS lines.
>
>-Bob
>
> > ------------Original Message------------
> > From: "Ed" <w3nr@comcast.net>
> > To: "WriteLog" <WriteLog@contesting.com>, "Ric Plummer"
<ricp@alum.wpi.edu>
> > Date: Sun, Feb-8-2004 8:17 AM
> > Subject: Re: [WriteLog] Serial Card Question
> >
> >
> > ----- Original Message -----
> > From: "Ric Plummer" <ricp@charter.net>
> > To: "Ed" <w3nr@comcast.net>
> > Sent: Sunday, February 08, 2004 8:55 AM
> > Subject: Re: [WriteLog] Serial Card Question
> >
> >
> > > Something is wrong here.
> > > ALL serial cards will have a TXD ( transmit data )
> > > There are variations on control lines, i.e. RTS CTS DTR DSR CD
.....
> > > But I don't believe any are missing TXD
> > > So check carefully
> > > Ric KV1W
> >
> >
> > Well that is what I thought also. However I have neither rig control
or
> FSK.
> > I went to the manufacturers web site and this is the outputs that
are
> shown.
> > RTS
> > DTR
> > CTS
> > DSR
> > CD
> > RI
> >
> > Thats it. Any thoughts.
> > Ed W3NR
> >
> >
> >
> > ---
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> >
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> >
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------------------------------------------
Dr. Jerry R. Pixton, PIXOS Designs LLC
http://www.pixos.com/designs/RadioTuner/
jpixton@shentel.net
------------------------------------------
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