Or you can just use AFSK + VOX and not worry about it.
--- On Wed, 2/9/11, Joe Subich, W4TV <[email protected]> wrote: > From: Joe Subich, W4TV <[email protected]> > Subject: Re: [Elecraft] Using K3 with N1MM and MMTTY > To: "Joe" <[email protected]>, "Elecraft Reflector" <[email protected]> > Date: Wednesday, February 9, 2011, 10:47 PM > > > How do you K3/N1MM users interface the MMTTY engine? > > Assuming you are using FSK (FSK D), you need two serial > ports. One > port is used by N1MM Logger for radio control (connected to > the K3 > RS-232 port), The other port is the N1MM Logger > "Digital" port - > the TxD line drives an open collector transistor connected > to the > FSK input on the K3 ACC jack and the RTS line drives an > open collector > transistor connected to the PTT line on the K3 ACC jack. > > If you are using AFSK A, you can dispense with the > "Digital" port > completely and allow N1MM Logger to control PTT using the > RTS line > on the k3 RS-232 port (PTT - KEY => rts-OFF or > rts,dtr). In that > case you would connect the computer Line Out to the K3 Line > In > and the K3 Line Out to the computer Line In with a pair of > audio > cables (or a more capable/advanced interface). > > 73, > > ... Joe, W4TV > > > On 2/10/2011 12:08 AM, Joe wrote: > > I also asked this question on the N1MM > reflector. I am using N1MM COM1 port > > to control the K3. I have N1MM starting the > MMTTY engine but it cannot key > > the radio because the COM1 port is already being used > to control the radio. > > How do you K3/N1MM users interface the MMTTY engine? > > > > Thanks > > > > 73 Joe K2UF > > > > No trees were harmed in the sending of this e-mail; > however, many electrons > > were inconvenienced. > > > > > > > > > ______________________________________________________________ > > Elecraft mailing list > > Home: http://mailman.qth.net/mailman/listinfo/elecraft > > Help: http://mailman.qth.net/mmfaq.htm > > Post: mailto:[email protected] > > > > This list hosted by: http://www.qsl.net > > Please help support this email list: http://www.qsl.net/donate.html > > > ______________________________________________________________ > Elecraft mailing list > Home: http://mailman.qth.net/mailman/listinfo/elecraft > Help: http://mailman.qth.net/mmfaq.htm > Post: mailto:[email protected] > > This list hosted by: http://www.qsl.net > Please help support this email list: http://www.qsl.net/donate.html > ____________________________________________________________________________________ Now that's room service! Choose from over 150,000 hotels in 45,000 destinations on Yahoo! Travel to find your fit. http://farechase.yahoo.com/promo-generic-14795097 ______________________________________________________________ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:[email protected] This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html
