[Elecraft] usb to serial

Guy Olinger K2AV olinger at bellsouth.net
Wed Mar 10 20:56:23 EST 2010


Getting power from a USB port is problematic unless the draw is very
light. More than one serial port driven from a USB is driving on the
edge unless you know the circuit details behind the USB port.
Sometimes even one serial port is an issue given the circuit details
of what is reading the serial signals.

It is very clear with various experiences with USB ports, that there
are USB ports, and there are USB ports. The "U" in universal serial
port ain't so U as it's cracked up to be.  YMMV, all the way.

73, Guy.

On Wed, Mar 10, 2010 at 11:03 AM, Wes Stewart <n7ws at yahoo.com> wrote:
> I have a four-port Edgeport and it works great for everything *except* the K3 utility.  But then I have no end of trouble with the utility anyway.
>
> Once I finally got it sort of working, opening the utility finds the K3 and reports status.  However, if I try to "test communications" or "refresh port list" the program simply closes.
>
> I resort to a Quatech USB->Serial for any firmware installs and keep my fingers crossed.
>
> Wes  N7WS
>
> --- On Wed, 3/10/10, Gary Lee <kb9zuv at arrl.net> wrote:
>
>> From: Gary Lee <kb9zuv at arrl.net>
>> Subject: [Elecraft] usb to serial
>> To: "Elecraft Reflector" <elecraft at mailman.qth.net>
>> Date: Wednesday, March 10, 2010, 8:25 AM
>> I have had great luck with a thing
>> called an edgeport
>>
>> made by insideout networks.
>> Not sure if it exists anymore.  They offered 4, 8, and
>> 16 port versions that
>> I know of.
>> Gets power from the usb port, and serials can be defined as
>> rs232 or 422.
>> Supports all the hardware handshake lines.
>> All my k3 connections are through this device under windows
>> xp, and never
>> had a problem.
>> Hope this helps someone.
>>
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