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Posted by rtrickey via HWKB.com on January 31, 2007, 12:15 pm
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Ah, thanks! Being only familiar with higher-level software-side stuff, I'd
never heard of those before. Now I have something to google for more info,
thanks again :)
Denis Jedig wrote:
>> I know this is probably an amazingly dumb question, but what *exactly* does
>> it mean when an Ethernet link is connected? Does that mean it can sense the
>> media, and it does some kind of test to make sure it can send and hear
>> uncorrupted frames on the segment?
>
>If you refer to the status LEDs commonly found on NICs and Ethernet
>Switches then your answer would be "it does receive Link Pulse sequences
>(10 Mbps Ethernet) or IDLE symbols (100 Mbps Ethernet and faster)".
>
>It does *not* imply any information on the quality of your link, there is
>no checking for correct transmission and and reception of frames.
>
--
Message posted via HWKB.com
http://www.hwkb.com/Uwe/Forums.aspx/network-ethernet/200701/1
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