[Elecraft] KX3 KXUSB vs KXSER interface

[Val]

And one more question:

After KXUSB terminates in a 3.5mm plug, there is no place for DTR line. Then 
how is arranged the CW keying by a computer?

73, Val LZ1VB



> The KX3 will ship with the KXUSB interface cable (USB) unless the buyer
> specifies the KXSER (RS232) cable instead.
>
> It has been stated that a module will be developed that will allow the KX3
> to work to the P3.
>
> In a fully integrated K3/P3 set, the P3 daisy-chains on the RS232 
> interface
> to the host computer (for firmware updates, utility program use etc).
>
> This raises the following questions:
>
> Is the proposed KX3/P3 interface module going to include a data connection
> between the P3 and the KX3? If so, how will this be accomplished? e.g. 
> Will
> there be a logic level cable to the KX3, and an RS232 connection to the 
> P3?
>
> If a KX3 purchaser gets the standard KXUSB cable, perhaps that could plug
> into the second USB connector for communications? I would not expect so, 
> as
> the second connector is a USB type-b, an adapter would be needed.
>
> I realize a lot is in flux right now. I am trying to determine if there is 
> a
> any real reason to get the RS232 type cable over the USB flavor for the 
> KX3
> if one is already using USB converters successfully with the K3/PS etc.
>
> Another question from a home-brewer/tinkerer perspective- I already have 
> an
> FTDI based USB-TTL converter that terminates in a 3.5mm plug. Is the KXSER
> cable a simple RS232/TTL level converter?
>
> Perhaps it's too early to have full answers for these issues, but I 
> thought
> tossing them out there for the designers to mull over might help the
> process.
>
> 73,
> Bruce, N1RX
>
>
>
>
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