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Very good evening.

FT-857 is connected to N1MM+ and working with CAT control,
frequency, mode, ok... I am 75% happy.

I have just one USB-to-Serial port cable (CHK340K) LD-C100
generating COM3, the only one in my LENOVO Windows 10
notebook.

This will be the last question about this situation, and I am a real
dumb with computers. By the way, I am not FT-857 regular user.

Is that possible to share this LD-C100 cable to control a CW?
computer generating signal? Or I need to find a kind of
USB-to-CW (?) cable to use with a another USB in my notebook?

If not, I will take a little keyer for my "possible" I/SP9NY portable
operation next April...

Thanks a lot...

Vitor Luis Aidar dos Santos
PY2NY, SP9NY, V26NY
Caixa Postal 204
Jaboticabal, SP (Brasil)
14870-970

N?o contém vírus.


 

HERE is Google AI answer .?
Cool, it even highlighted the "short version ". For CAT (Computer Aided Transceiver) and CW (Continuous Wave) connections with the Yaesu FT-857D, you'll typically use the CT-62 cable for CAT control and a separate cable for CW keying, connecting to the radio's CAT/LINEAR jack and CW jack, respectively. [, ]

Here's a more detailed explanation:

CAT Control: []
  • CAT Interface Cable (CT-62): The CT-62 is an optional cable designed for connecting the FT-857 to a computer, allowing for CAT control. []
  • Function: It has a built-in level converter, enabling direct connection from the rear panel CAT/LINEAR jack to the serial port of your computer, eliminating the need for an external RS-232C level converter. []
  • Microphone Jack CAT Control: The FT-857D also has an undocumented CAT control setup through the microphone jack. You can set the Microphone jack setting in memory 59 to "CAT" to use this method. [3]

Generative AI is experimental.
[1]?
[2]?





On Sun, Mar 23, 2025 at 1:43?PM Vitor, PY2NY via <py2ny=[email protected]> wrote:
Very good evening.

FT-857 is connected to N1MM+ and working with CAT control,
frequency, mode, ok... I am 75% happy.

I have just one USB-to-Serial port cable (CHK340K) LD-C100
generating COM3, the only one in my LENOVO Windows 10
notebook.

This will be the last question about this situation, and I am a real
dumb with computers. By the way, I am not FT-857 regular user.

Is that possible to share this LD-C100 cable to control a CW?
computer generating signal? Or I need to find a kind of
USB-to-CW (?) cable to use with a another USB in my notebook?

If not, I will take a little keyer for my "possible" I/SP9NY portable
operation next April...

Thanks a lot...

Vitor Luis Aidar dos Santos
PY2NY, SP9NY, V26NY
Caixa Postal 204
Jaboticabal, SP (Brasil)
14870-970

N?o contém vírus.


 

Thanks a lot Anne

Let's separate a little keyer to the baggage and finish this
novel hi hi hi...

I have CAT control, computer, original FT857 microphone,
antenna, antenna tuner. That's will be fine.

See you on the air.


Vitor Luis Aidar dos Santos
PY2NY, SP9NY, V26NY
Caixa Postal 204
Jaboticabal, SP (Brasil)
14870-970


On Sunday, March 23, 2025 at 04:56:28 PM GMT-3, Anne Ranch via groups.io <anneranch2442@...> wrote:


HERE is Google AI answer .?
Cool, it even highlighted the "short version ". For CAT (Computer Aided Transceiver) and CW (Continuous Wave) connections with the Yaesu FT-857D, you'll typically use the CT-62 cable for CAT control and a separate cable for CW keying, connecting to the radio's CAT/LINEAR jack and CW jack, respectively. [, ]

Here's a more detailed explanation:

CAT Control: []
  • CAT Interface Cable (CT-62): The CT-62 is an optional cable designed for connecting the FT-857 to a computer, allowing for CAT control. []
  • Function: It has a built-in level converter, enabling direct connection from the rear panel CAT/LINEAR jack to the serial port of your computer, eliminating the need for an external RS-232C level converter. []
  • Microphone Jack CAT Control: The FT-857D also has an undocumented CAT control setup through the microphone jack. You can set the Microphone jack setting in memory 59 to "CAT" to use this method. [3]

Generative AI is experimental.
[1]?
[2]?





On Sun, Mar 23, 2025 at 1:43?PM Vitor, PY2NY via <py2ny=[email protected]> wrote:
Very good evening.

FT-857 is connected to N1MM+ and working with CAT control,
frequency, mode, ok... I am 75% happy.

I have just one USB-to-Serial port cable (CHK340K) LD-C100
generating COM3, the only one in my LENOVO Windows 10
notebook.

This will be the last question about this situation, and I am a real
dumb with computers. By the way, I am not FT-857 regular user.

Is that possible to share this LD-C100 cable to control a CW?
computer generating signal? Or I need to find a kind of
USB-to-CW (?) cable to use with a another USB in my notebook?

If not, I will take a little keyer for my "possible" I/SP9NY portable
operation next April...

Thanks a lot...

Vitor Luis Aidar dos Santos
PY2NY, SP9NY, V26NY
Caixa Postal 204
Jaboticabal, SP (Brasil)
14870-970

N?o contém vírus.


 

Hi Vitor,
I don't know N1MM+, but supposing you want to type on the keyboard of the computer and send CW (probably with another app), usually the best option is to use an interface that does include a Winkeyer chip, or even a Winkeyer device from K1EL, Steve.
You could mess with VOX, sound generated CW or even have a rs232 signal to interface with the CW key input but it seems that the best is to have the computer send the chars to be sent in morse to a dedicated device outside the pc and be done with it. Sometimes the computer will not keep up with sending and miss for a brief period of time.

I have a Microham USB III interface that can drive the CW key of the 857D, very handy and compact, a single USB cable for everything but it is not like having a dedicated cw device, it may work good enough for you but if you are serious about CW, get something with a winkeyer chip in it.
Or something like that, I know there are alternatives to winkeyer chips, even though they are the gold standard in my opinion.

Where are staying in Italy?

Giuseppe Marullo
IW2JWW - JN45RQ

On 3/23/2025 7:43 PM, Vitor, PY2NY via groups.io wrote:
Very good evening.
FT-857 is connected to N1MM+ and working with CAT control,
frequency, mode, ok... I am 75% happy.
I have just one USB-to-Serial port cable (/CHK340K/) LD-C100
generating COM3, the only one in my LENOVO Windows 10
notebook.
This will be the last question about this situation, and I am a real
dumb with computers. By the way, I am not FT-857 regular user.
Is that possible to share this LD-C100 cable to control a CW
computer generating signal? Or I need to find a kind of
USB-to-CW (?) cable to use with a another USB in my notebook?
If not, I will take a little keyer for my "possible" I/SP9NY portable
operation next April...
Thanks a lot...
/Vitor/ Luis Aidar dos Santos
*PY2NY, SP9NY, V26NY*
Caixa Postal 204
Jaboticabal, SP (Brasil)
14870-970
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--
Giuseppe Marullo
IW2JWW - JN45RQ