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Author Topic: USB/Com Port interface?  (Read 2641 times)
K8AXW
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Posts: 3900




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« on: December 24, 2009, 09:40:28 AM »

Greetings all:
Once again I am confronted with the problem of finding a USB/Com Port interface cable.  (This is USB cable gizmo that becomes a computer Com Port, usally Com Port 1) This adapter cable facilitates a connection between a computer without a Com Port and a radio or PSK interface unit.

I bought one a couple years ago and was told right off that it "wouldn't work for what I wanted."  He was right and I had to return it. I then put this project on "hold."

I'd like to know what brand, name, model number, etc. of USB interface cables that you are being successfully used these days.  While I am computer literate, I'm no computer geek.

73

Al - K8AXW
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AA4PB
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Posts: 12898




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« Reply #1 on: December 24, 2009, 05:43:57 PM »

Anything that uses an FTDI chip set should work fine with all Windows operating systems. Be sure to check their web site for the latest drivers.
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AB3BO
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Posts: 14


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« Reply #2 on: December 24, 2009, 06:16:56 PM »

Check out Radio Shack.
Their cable is in my opinion over priced but
it works.



Good Luck.....
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KL0S
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Posts: 132




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« Reply #3 on: December 24, 2009, 06:36:30 PM »

Most of the guys (including me) who needed a USB/serial converter have been very pleased with the Keyspan units.  I have two single port and three four port units that work great.

Dino KL0S
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W5DWH
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Posts: 43




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« Reply #4 on: December 26, 2009, 01:49:17 PM »

I just bought two from Newegg.com.

Rosewill RCW-617 for $7.99 each. I needed an interface from my computer to the EZ-Rotor control in my Ham IV rotor. They have Windows drivers up to Windows Vista.
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AA6YQ
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« Reply #5 on: December 26, 2009, 10:36:46 PM »

Here's a list of devices known to work on Windows 7 and Vista:

<http://www.dxlabsuite.com/dxlabwiki/Win7VistaHardware>

   73,

      Dave, AA6YQ
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KS2G
Member

Posts: 428




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« Reply #6 on: December 28, 2009, 05:03:04 AM »

I've had good results with the Dynex DX-UBDB9.

There are two versions -- an older one with everything built into the DB9 connector, and a newer one with a circuit-box midway in the cable.

I have both and they work the same.

Many of each listed on eBay for Buy It Now prices as low as $6.00 (plus shipping).

If you prefer retail, the newer one is available (and happens to be on sale) at Best Buy:

http://www.bestbuy.com/site/Dynex&%23174%3B+-+16%22%3B+USB+PDA/Serial+Adapter+Cable/7135664.p?id=1110263657278&skuId=7135664

Good luck!

73,
Mel - KS2G
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WA7NCL
Member

Posts: 625




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« Reply #7 on: December 28, 2009, 08:05:39 AM »

What is it you want it to do?

What operating system / hardware are you wanting to use it with?

There are a number of devices out there, but without knowing why the initial device you tried didn't work and wasn't suitable, we are all just guessing.
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K8AXW
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Posts: 3900




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« Reply #8 on: December 29, 2009, 08:14:05 AM »

Thank you for this input.  I have this chipset
noted an will use it.

73

Al
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K8AXW
Member

Posts: 3900




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« Reply #9 on: December 29, 2009, 08:15:42 AM »

Thank you.  Will check this out.  I received $50.00
in gift cards for Radio Shack for Christmas!  LOL.

73

Al
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K8AXW
Member

Posts: 3900




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« Reply #10 on: December 29, 2009, 08:18:24 AM »

Mni thanks Dino.  I checked the reviews on the
Keyspan and MOST like it.  I'm noting this in
my book.  Thank you for your help.

Al
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K8AXW
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Posts: 3900




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« Reply #11 on: December 29, 2009, 08:21:19 AM »

W5DWH:

OK, will research his one.  Thank you for your
input.  'ppreciate your help.

73

Al
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K8AXW
Member

Posts: 3900




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« Reply #12 on: December 29, 2009, 08:22:53 AM »

KS2G:
Rgr on the cable.  What do you use it for?

73

Al
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K8AXW
Member

Posts: 3900




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« Reply #13 on: December 29, 2009, 08:28:42 AM »

WA7NCL:

You're right!  Sorry for the omission.  I am running
Windows XP Home. The speed of the computer is 1.8G and I'm running 2GB of RAM.

At the present time I am using the existing computer
Serial port to my homebrew PSK-31 interface.  While
this is fine, I want to switch over to my laptop,
using the same OS and specs.  The laptop doesn't have a Serial port.  Hence, the problem and question here.

73


Al
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K2PBO
Member

Posts: 7




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« Reply #14 on: December 29, 2009, 01:44:28 PM »

Beware if you are using Windows 7, 64 bit. I just posted my experience with a $19.95 Ebay USB to CAT cable. I finally got it working.

Steve
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