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One of the things that I was surprised and pleased about after installing Windows 7 is that when I plugged in my K1EL WKUSB keyer, the USB driver installed automatically without a hitch and it worked right off the bat with no hassle. That Keyer has a USB to serial port chip in it, model FT232RL manufactured by FTDI. I wouldn't be surprised to find that Microham is using the same chip (Joe?). I just did some Googling for FT232L and found that there are a number of manufactures making USB to Serial port adapter cables utilizing that chip and most are selling for between $10 and $20. If any one has tried or is willing to try one of those I'm sure members of this group would like to hear about it.

73, Rich - W3ZJ

That works really well, as long as all the applications / hardware that has FTDI chips all work well with the same driver level.



I had a couple of amateur radio devices that used FTDI drivers. One installed version X of the drivers, the other product installed version Y of the drivers, and the first product wouldn’t work with the other product’s version of those drivers. It was a transient situation, but frustrating nonetheless.



Dick, K6KR





From: dxlab@... [mailto:dxlab@...] On Behalf Of Rich - W3ZJ
Sent: Thursday, December 03, 2009 1:28 PM
To: DXLab
Subject: [dxlab] USB to Serial Port Adaptors





One of the things that I was surprised and pleased about after
installing Windows 7 is that when I plugged in my K1EL WKUSB keyer, the
USB driver installed automatically without a hitch and it worked right
off the bat with no hassle. That Keyer has a USB to serial port chip in
it, model FT232RL manufactured by FTDI. I wouldn't be surprised to find
that Microham is using the same chip (Joe?). I just did some Googling
for FT232L and found that there are a number of manufactures making USB
to Serial port adapter cables utilizing that chip and most are selling
for between $10 and $20. If any one has tried or is willing to try one
of those I'm sure members of this group would like to hear about it.

73, Rich - W3ZJ





[Non-text portions of this message have been removed]

That Keyer has a USB to serial port chip in it, model FT232RL
manufactured by FTDI. I wouldn't be surprised to find that
Microham is using the same chip (Joe?).

microHAM use FTDI USB UART chipsets. Most of the current designs
use the FT232R but older units used other FTDI chips like the
FT232B. However, the same driver package supports all of the
chipsets.

Note, FTDI support two modes of operation - VCP (virtual COM
Port) and D2XX (DLL calls). The problem K6KR refers to is one
in which some vendors disable the D2XX modes in their drivers
(or distribute older drivers that did not support D2XX).
Fortunately, such irresponsible behavior had generally faded
and FTDI have released "common" drivers for all 32/64 bit
versions of Windows (Windows 2000 - Windows 7) as of 3 Nov
2009.

73,

... Joe, W4TV

-----Original Message-----
From: dxlab@... [mailto:dxlab@...] On
Behalf Of Rich - W3ZJ
Sent: Thursday, December 03, 2009 4:28 PM
To: DXLab
Subject: [dxlab] USB to Serial Port Adaptors


One of the things that I was surprised and pleased about after
installing Windows 7 is that when I plugged in my K1EL WKUSB
keyer, the
USB driver installed automatically without a hitch and it
worked right
off the bat with no hassle. That Keyer has a USB to serial
port chip in
it, model FT232RL manufactured by FTDI. I wouldn't be
surprised to find
that Microham is using the same chip (Joe?). I just did some Googling
for FT232L and found that there are a number of manufactures
making USB
to Serial port adapter cables utilizing that chip and most
are selling
for between $10 and $20. If any one has tried or is willing
to try one
of those I'm sure members of this group would like to hear about it.

73, Rich - W3ZJ



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Yahoo! Groups Links

On one of my other forums (I think it's the N1MM forum) there have been numerous comments that when purchasing a USB to Serial converter, look for one with the FTDI chipset.

Art - N4PJ