Jim,
It's generally best to use the serial port to generate FSK rather than the
USB adapter. The timing issues in the USB adaptors cause some problems and,
in most cases, the drivers don't support the baud rate needed for FSK.
Several people did experiments a few years ago with the Belkin devices and
they mostly did OK at generating FSK. I think there were some versions
(identifiable by a number inside the shell) that failed a lot. I think it
was John WA9ALS that had the results published on his website. I have
several of the devices and they were fine (for FSK) for 30 minutes or so,
and then they crashed the OS. They seemed to work reliably for things like
rig control.
Keith Regli (K7KAR)
mailto:keith@kregli.com
http://www.kregli.com
-----Original Message-----
From: writelog-bounces@contesting.com
[mailto:writelog-bounces@contesting.com] On Behalf Of KC4HW
Sent: Monday, July 16, 2007 6:30 PM
To: writelog@contesting.com
Cc: wo4d@cfl.rr.com; alba_tross
Subject: [WriteLog] HELP - Belkin F5U103 USB to Serial Adapter
Trying to help a friend with a issue. The computer is an XP machine. Using
Writelog 10.62H with a Belkin USB Adapter, the AF4Z Multi-Modem to generate
FSK. The Multi-Modem is setup as a Dumb Terminal. Rig control is being
accomplished via a serial port on the computer.
This setup seems to be decoding just find. However, It appears that when
sending an f-keys that it will often (not allways) shift the diddle one or
two times and then unkey the transmitter.
It does display the f-key contents in the Rttyrite window but does not send
it... The Alt-K function appears to be functioning correctly, but seemed
that one or twice the transmitter would unkey for some no reason before the
ESC key is hit or the Alt-K again.
I guess I am just wondering if there is an entry that has to be in the
writelog.ini file for this USB adapter?
We are thinking about switching the RTTY setup to the comport port and
putting the rig control on the Belkin adapter.
Any help here!.. Thanks
Jim/KC4HW
http://www.AlabamaContestGroup.org
http://www.AlabamaQSOParty.org
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