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Re: Serial port permissions -
From: g <geleem_at_nospam>Date: Tue Oct 18 2011 - 17:30:45 GMT
To: fedora users <users@lists.fedoraproject.org>
On 10/18/2011 04:42 PM, Bob Goodwin wrote:
<>
> Ok I've added "dialout" but still don't see a change in voltage,
> on the second computer it sits at -11+? I logged out/in, perhaps
> a reboot is required? I'll try that.
"what we have here is failure to communicate". 8-D
both, on your part and on part of computers.
what you have not communicated, are you connecting to a modem, or to
another computer?
if 2 computers, they *may not communicate*. that is, *not without* a
"null-modem" connection.
for a decent understanding of rs-232 operation, see;
http://www.arcelect.com/rs232.htm
where you will find what you need for understanding of an rs-232 connection
using either a db25 or db15 connector and how to make a "null-modem"
between the 2 computers.
hth.
--
peace out.
tc.hago,
g
.
*please reply "plain text". "html text" are deleted*
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