I know its a bit late, but the prolific type serial adapter is a big no no.I 
use this on my 450. Windows loads its own driver and it always works on every 
computer. FTDI and SI labs are the good chips for serial 
cables.https://www.amazon.com/gp/product/B004WLA4P4/ref=ppx_yo_dt_b_search_asin_title?ie=UTF8&psc=1
orhttps://www.amazon.com/dp/B017D51ZRQ/ref=sspa_dk_detail_6?psc=1&pd_rd_i=B017D51ZRQ&pd_rd_w=Cm8wh&pf_rd_p=46cdcfa7-b302-4268-b799-8f7d8cb5008b&pd_rd_wg=Q8TNB&pf_rd_r=S6VZQ9SP69EFDTPCVFY0&pd_rd_r=2ea4e039-6a17-11e9-81c3-e19ee3aed6a0

Of course your Speed and Com port will be different.



    On Sunday, April 28, 2019, 6:04:12 PM CDT, Rick Hiller via BVARC 
<[email protected]> wrote:  
 
 Your note points back to my earlier response of ensuring the cable you have 
has continuity on the required pins.RH

On Apr 28, 2019, at 4:45 PM, Martin Blaise via BVARC <[email protected]> wrote:


One more update - this is what it says in my manual - The FT450 D has a 
built-in level converter, allowing direct connection from the rear panel CAT 
jack to the serial port of your computer without the need of any external 
boxes. You will need a serial cable for connection to the RS-232C (serial or 
COM port) connector on your computer. Purchase a standard serial cable (not the 
so-called null modem type) ensuring it has the correct gender and number of 
pins (some serial COM port connectors use a 9-pin rather than 25-pin 
configuration). If your computer uses a custom connector you may have to 
construct the cable. in this case, refer to the technical documentation 
supplied with your computer for correct data connection. ----- The reason I am 
trying to get the cat cable to work is that all rare DX now uses fox/hound to 
operate digital modes and without a cat cable I am unable to work any DX. 
Considering DXing was why I got into the hobby, that is why I am trying so hard 
to make this work.


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On Sun, Apr 28, 2019 at 4:24 PM Martin Blaise <[email protected]> wrote:

Updated message on the com port issue. Ok, so I went back to the original usb 
to db9 serial cable and plugged it in. On Windows Device Manager, there is NO 
com4 port showing a Prolific device. So I unplugged it and plugged in the NEW 
cable I got through Amazon. In Windows Device Manager it shows Prolific com 3 
and Prolific on com 4. Com 3 is the line to the NOMIC. Com 4 should be the CAT 
CABLE from the Yaesu 450d to the computer. I am using PCC 450d software as 
stated earlier. When I open the software I first have to select the com. Com 4 
is in red and is the ONLY com port showing in red. I click on it and it takes. 
Then I have to click on a com button so it will connect to the port. It always 
fails. I did install the driver that came with the cable I bought. It says 
Prolific USB to Serial Comm Port 4 on device manager (and the other on com 3). 
I don't think I have the tools to measure continuity on pins. Could I have a 
bad RS232 port on the Yaesu? I think the problem is in the computer somewhere. 
Why would a device show up in device manager for one cable and not the other? 
And if the device is showing on com 4 in device manager, I am wondering why I 
cannot connect. I don't know if I can attach files here, so I will explain the 
two graphics and the messages I get - select com 4, enter, then click on com 
and get "connecting the com port now" and this is always followed by "failed to 
connect the com port." Is my computer damaged inside? Hope this update helps. I 
really can't afford a new computer desktop right now.


|  | Virus-free. www.avg.com  |


On Sun, Apr 28, 2019 at 8:13 AM Martin Blaise <[email protected]> wrote:

I am trying to get my Yaesu 450d to work with a Cat Cable to the usb port on 
the computer. When I plug in the cable I hear clicks on the radio and the TX is 
flashing. But when I try to use the PCC 450d software I set the com port to 4 
and then click on com. It tries to connect, but then always tells me there is 
an error connecting to the com port. It shows com 4 as red saying that is the 
one to use. Com 3 is already in use. I guess I need someone who could 
physically come look at the computer or at the least get with me on team 
viewer. Com 3 is being used for the Nomic serial cable. I can be contacted here 
or call me at 713-305-2148. I really would like to be able to control the Yaesu 
RIG from the software. Folks on the internet said I probably bought the wrong 
cable. I disagree but I need help. Thanks. Marty, AG5T


|  | Virus-free. www.avg.com  |





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