[Elecraft] [K3] Built in USB interface for K3

[Bill VanAlstyne W5WVO]

This looks extremely cool. However, it doesn't appear that Mouser or 
Digi-Key in the US are carrying it yet, so getting one-off quantities might 
be problematic until the retail distribution chain catches up.

Obviously a possibility here for Elecraft to offer the KIO3 in either 
version (RS-232 or USB connector) as an ordering option, if they've a mind 
to...

Thanks, Allan.

Bill W5WVO
New Mexico

--------------------------------------------------
From: "Allan G Duncan" <allan.duncan at allanduncan.co.uk>
Sent: Friday, May 21, 2010 4:56 AM
To: <elecraft at mailman.qth.net>
Subject: [Elecraft] [K3] Built in USB interface for K3

> I don't wish to re-ignite the RS232 vs USB connectivity debates which have
> regularly appeared on the reflector
> but some K3 owners may be interested in this product recently launched by
> FTDI.
>
> http://www.ftdichip.com/Documents/DataSheets/Modules/DS_DB9-USB-RS232.pdf
>
> It is a USB/RS232 converter built into the same form factor as a PCB
> mounting DB9 connector as used in the
> Elecraft KIO3 module. This has the advantage that the existing DB9 
> connector
> on the KIO3 could be carefully
> desoldered and replaced with the new FTDI connector. This would provide a
> neat way of providing a rear panel
> USB (mini B type) connector on the rear panel of the K3.
>
>>From looking at the specification sheet the "DB9-USB-F" would be a drop in
> replacement for the existing
> DB9-F on the KIO3 without any track cutting etc. A neat solution.
>
> Personally, I am happy with the K3 RS232 connection and external USB/RS232
> cable but I can see the attraction
> for some of a built in USB interface. I have always found the FTDI device
> drivers to be stable and work well
> with the K3 Utility under both Windows XP and Windows 7.
>
> If anyone does try it, I'd be interested in how they find this "USB
> conversion". Note that this will NOT
> work with the K2 KIO2 as it is not a standard RS232 DB9 connector.
>
>
> Usual disclaimers apply - I have no connection with FTDI and have not 
> tried
> the device myself.
>
> 73
>
> Allan
> GM4ZUK
>
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