Email: Password: Remember Me | Create Account (Free)

Back to Subject List

Old thread has been locked -- no new posts accepted in this thread

??? 11/26/07 16:31 Read: times	#147419 - We haven't seen how the DB-9 is wired Responding to: ???'s previous message
	Or mis-wired...

List of 60 messages in thread

Topic	Author	Date
PC COM Ports Damaging !!!		01/01/70 00:00
Earth loops?		01/01/70 00:00
Why Now and this circuit ?		01/01/70 00:00
Damage?		01/01/70 00:00
I am Sure ...		01/01/70 00:00
Common mode		01/01/70 00:00
You haven't mentioned		01/01/70 00:00
do you have the shell of DB9 grounded?		01/01/70 00:00
Serial port damage		01/01/70 00:00
for serial port damage		01/01/70 00:00
No		01/01/70 00:00
No, that can't be right!		01/01/70 00:00
re:3.3V		01/01/70 00:00
are you sure about that, Andy?		01/01/70 00:00
Are You SURE?		01/01/70 00:00
I'm sure Dear ...		01/01/70 00:00
not to be argumentative ... but ...		01/01/70 00:00
check it		01/01/70 00:00
Checks		01/01/70 00:00
We haven't seen how the DB-9 is wired		01/01/70 00:00
It\'s probably not a DB-9!		01/01/70 00:00
sure, but		01/01/70 00:00
Sloppy terminology		01/01/70 00:00
My Burned out ports		01/01/70 00:00
What?		01/01/70 00:00
What I mean is		01/01/70 00:00
a common misunderstanding is		01/01/70 00:00
So problem is in "modern" PCs?!		01/01/70 00:00
So problem is in "modern" PCs?!		01/01/70 00:00
maybe i'm wrong		01/01/70 00:00
try with opto coupler and +9 volt supply		01/01/70 00:00
Back when folks cared whether things work ...		01/01/70 00:00
Assuming He does not have one		01/01/70 00:00
There is a way to be sure.		01/01/70 00:00
Standard		01/01/70 00:00
Power Supply ...		01/01/70 00:00
Dwhatever9 shell connection to GND...		01/01/70 00:00
about that shell-to-shell connection		01/01/70 00:00
generally...		01/01/70 00:00
Truth emerges		01/01/70 00:00
developed?		01/01/70 00:00
that\'s the problem!		01/01/70 00:00
HUH?		01/01/70 00:00
why??		01/01/70 00:00
Broken COM port suggestions		01/01/70 00:00
he is not wrong - if		01/01/70 00:00
...he is not wrong... only said watch it		01/01/70 00:00
BULL!!!		01/01/70 00:00
Bull?		01/01/70 00:00
yes, genuine male cow manure		01/01/70 00:00
Eric, you are a sad man		01/01/70 00:00
Amateurs and pros		01/01/70 00:00
of course I do		01/01/70 00:00
Well, it has to do...		01/01/70 00:00
Kai, I now you know this stuff ... but		01/01/70 00:00
Different CMOS design?		01/01/70 00:00
that's right, when you can not argue tha facts ...		01/01/70 00:00
My Dear Friends ...		01/01/70 00:00
look in the datasheet		01/01/70 00:00
Y E S . . .		01/01/70 00:00

Back to Subject List