[amsat-bb] Re: Icom IC-910H CI-V USB cable

Mon Aug 25 11:35:23 PDT 2008

>From the following group (I'm using one on my 910H and one on my 746Pro):

From: cpu_nut cpu_nut at yahoo.com
Subject: [IC-7000] USB CI-V cable alternative, tested-working on IC-7000
To: ic7000 at yahoogroups.com
Date: Thursday, June 19, 2008, 7:45 PM

I am into scanning and thought to try my Radio Shack / GRE USB serial cable
on the IC-7000 with Ham Radio Deluxe. ** It works great! ** 

I know the person who designed the cable and apparently it is a half or full
duplex cable (RTS switchable) with baud capability into the 100s of
thousands of kb/s so it is plenty fast. Its output to the radio is only
3.3V, but its input is ESD protected at 6V so it will not load the radio's
output. One thing that is nice is that it has red/green LEDs for TX/RX
serial data so you can see it working. It uses the well respected FTDI chip
which has drivers on  <http://www.ftdichip/> http://www.ftdichip
.com/FTDrivers. htm for most operating systems. 

The only inconvenience is the angled 18" jack which works great on the
scanner, but not as well on the Icom. 

The 1/8" jack is stereo for full duplex mode, but in half duplex mode only
the tip is used. With Ham Radio Deluxe I just left the RTS box unchecked to
keep the cable in half duplex mode.

Apparently the IC-7000 has no problem with the 3.3V (5V is Spec) signal,
which is not surprising, as the switching threshold would be 0.7V or about
2.2V depending if the radio's input is TTL or CMOS.

I'll be curious as to others experience with using this cable on CI-V.

The price is right too:
Radio Shack 20-047
 <http://tinyurl.com/3ez9p7> http://tinyurl.com/3ez9p7

GRECOM 30-3290
 <http://tinyurl.com/48h7jl> http://tinyurl.com/48h7jl



-----Original Message-----
From: amsat-bb-bounces at amsat.org [mailto:amsat-bb-bounces at amsat.org] On
Behalf Of Kostas Ioannidis
Sent: Monday, August 25, 2008 13:53
To: AMSAT-BB at amsat.org
Subject: [amsat-bb] Icom IC-910H CI-V USB cable


Hi all!

  I need to connect my 910 to the pc via the usb port for auto doppler

correction. Do you know where I can find a usb cable at the internet (

e-shop or ebay) which works with Ham Radio Deluxe under XP?


  73 de sw1ixp,Kostas Ioannidis


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