locked Re: Help needs clarification
comments in line below.
On 15/12/2019 23:37, w5ec wrote:
Hey Bill,Yes. The MFJ interface does not provide a CAT connection, it is simply a USB audio codec with built in VOX PTT switching.
My Jupiter has a DB-9 serial connector but my computer does not. I have a DB-9 to DB-9 cable.A USB to serial adapter is what you need, they are not expensive, I recommend purchasing a premium version for a couple of dollars extra. The FTDI chip based ones have a good reputation. You will find many examples on your favourite Internet sales outlet.
I have a couple of these:
which work well. They have the benefit that the COM port number stays fixed when you move it to a different USB port or hub on the same machine, others tend to change COM port number and become annoying. That alone is worth paying a couple of extra dollars.
If you run QRO be prepared to have RFI issues with USB connections. A few clip-on ferrite chokes are often required to neutralize any common mode RF signal pickup on cables between your rig and PC.