Marty,

Do you have a USB thumb drive you can plug into that USB port to see if
that works?   Even a USB disk drive or some other USB based device ( re:
printer, etc.) just to see if the port electronics are working.......RH

On Mon, Apr 29, 2019 at 12:29 PM Martin Blaise via BVARC <[email protected]>
wrote:

> My computer does not have an RS232 input. But I did find this ...
> I just found something in the COM properties.
> For COM 3, the Flow Control is set to Hardware.
> For COM 4, the Flow Control is set to None. The other options are Xon/Xoff
> and Hardware.
> Could that be my issue on COM 4????
>
> On Mon, Apr 29, 2019 at 8:53 AM Gus Bernard via BVARC <[email protected]>
> wrote:
>
>> And, does your computer have an RS232 serial port (a DB9 connector, as
>> opposed to a USB connector)?
>>
>> Gus
>>
>>
>> On Mon, Apr 29, 2019, 8:45 AM Gus Bernard <[email protected]> wrote:
>>
>>> Give me a link to the Amazon page of the CAT cable you bought.
>>>
>>> Gus
>>> KG5OFB
>>>
>>>
>>> On Mon, Apr 29, 2019, 6:35 AM Martin Blaise via BVARC <[email protected]>
>>> wrote:
>>>
>>>> My cable has 9 pin on the radio end and usb on the computer end so it’s
>>>> a serial to USB adapter. I did have it working in the past prior to when
>>>> lightning hit my house so maybe the lightning damaged my ports? This is a
>>>> bit above my computer skills and knowledge
>>>>
>>>> On Mon, Apr 29, 2019 at 1:44 AM Jon “KF5TFJ” Noxon <[email protected]>
>>>> wrote:
>>>>
>>>>> Use your browser search engine of choice to serche the term FAKE
>>>>> PROLIFIC CHIP TEST which should bring up discussions and testing
>>>>> procedures. If your cable is fake, revert to the seller for a refund.
>>>>> Prolific offers a test program to determine the chip validity.
>>>>>
>>>>>
>>>>>
>>>>> Jon kf5tfj
>>>>>
>>>>> On Apr 28, 2019, at 7:44 PM, Jeffrey Carson via BVARC <[email protected]>
>>>>> wrote:
>>>>>
>>>>> 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
>>>>> or
>>>>>
>>>>> https://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.
>>>>> <1556498619230blob.jpg>
>>>>>
>>>>>
>>>>>
>>>>> 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.
>>>>>
>>>>>
>>>>> <http://www.avg.com/email-signature?utm_medium=email&utm_source=link&utm_campaign=sig-email&utm_content=webmail>
>>>>>  Virus-free.
>>>>> www.avg.com
>>>>> <http://www.avg.com/email-signature?utm_medium=email&utm_source=link&utm_campaign=sig-email&utm_content=webmail>
>>>>>
>>>>> 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.
>>>>>
>>>>>
>>>>> <http://www.avg.com/email-signature?utm_medium=email&utm_source=link&utm_campaign=sig-email&utm_content=webmail>
>>>>>  Virus-free.
>>>>> www.avg.com
>>>>> <http://www.avg.com/email-signature?utm_medium=email&utm_source=link&utm_campaign=sig-email&utm_content=webmail>
>>>>>
>>>>> 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
>>>>>
>>>>>
>>>>> <http://www.avg.com/email-signature?utm_medium=email&utm_source=link&utm_campaign=sig-email&utm_content=webmail>
>>>>>  Virus-free.
>>>>> www.avg.com
>>>>> <http://www.avg.com/email-signature?utm_medium=email&utm_source=link&utm_campaign=sig-email&utm_content=webmail>
>>>>>
>>>>> _______________________________________________
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-- 
Rick Hiller
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