I'm not sure what to tell you to try next.
Some laptops just don't supply enough voltage to work well with RS-232
From: Karel Karmasin <ok...@seznam.cz>
To: Harry Yingst <hlyin...@yahoo.com>
Sent: Wednesday, February 18, 2015 1:10 PM
Subject: Re: [Elecraft] RS232 troubles
Tried two different USB to RS232 adapters (both working on desktop PC).
Dne 18.2.2015 v 18:47 Harry Yingst napsal(a):
You could try a different USB to RS-232 adapter.
From: Karel Karmasin <ok...@seznam.cz>
To: Harry Yingst <hlyin...@yahoo.com>
Sent: Wednesday, February 18, 2015 12:29 PM
Subject: Re: [Elecraft] RS232 troubles
Hi Harry,
just tried usb powered hub - still the same, no success. Tried also PCMCIA
RS232 card - same problem.
Karel
Dne 18.2.2015 v 18:15 Harry Yingst napsal(a):
You may need to use a powered hub
Many laptops do not put out enough of a level to work properly
From: Karel Karmasin <ok...@seznam.cz>
To: elecraft@mailman.qth.net
Sent: Wednesday, February 18, 2015 11:03 AM
Subject: [Elecraft] RS232 troubles
Hi there,
I have following problems with my RS232 K2 connection:
On a desktop PC with WIN7 everything working OK, all COM ports including
USB/COM adapter running without any issue. When I am reconnected same
USB/COM adapter with the same cable (between K2 and adapter) to the USB
port on laptop, no communication. Of course the driver in laptop is
installed and from the utilities and hardware control looks all OK. USB
ports on laptop are working (checked with USB flash). All parameters on
the COM port are the same as on desktop PC. I am on the end of my
knowledges now, any help?
Karel, OK2FD
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