[Elecraft] serial to USB

[Bill K9YEQ]

Don,

Which brand are you using?  I am looking for a four port.  

73,
Bill
K9YEQ


-----Original Message-----
From: elecraft-bounces at mailman.qth.net
[mailto:elecraft-bounces at mailman.qth.net] On Behalf Of Don Wilhelm
Sent: Saturday, February 11, 2012 4:08 PM
To: elecraft at mailman.qth.net
Subject: Re: [Elecraft] serial to USB

All,

I feel I should add to the discussion the fact that these consumer quality
USB to Serial adapters typically do not like to work at lower baud rates -
the K2 uses 4800 baud.  So an adapter that works at the K3 rate of 19.2k may
have trouble when attempting to drive a K2.

The commercial quality USB to Serial converters (note that they are called
converters instead of adapters) may not suffer from the same problems, my
Edgeport/4 converter works well with the K2 even with the high polling rates
of Ham Radio Deluxe.  Of course these commercial quality converters are more
expensive than the $10 to $40 consumer quality adapters.

73,
Don W3FPR

On 2/11/2012 4:14 PM, Bob Cunnings wrote:
>> what IS the difference between FTDI and Prolific.
> They are two different manufacturers of USB to Serial hardware ICs
(chips).
>
> http://www.ftdichip.com/
>
> http://www.prolific.com.tw/eng/company.asp
>
> Besides the hardware, each manufacturer supplies royalty free software 
> (device drivers) as part of the solution for PC operating systems such 
> as Mac, Windows and Linux.
>
> At work I have long used FTDI chips in products we design. A 
> customized version of the signed driver package supplied by FTDI for
> 32 and 64 bit Windows is incorporated into our own software 
> distribution. Prolific is generally ok but lately they have been 
> warning about counterfeit parts and USB to Serial Cables:
>
> http://www.prolific.com.tw/eng/downloads.asp?id=31
>
>
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