Ethernet LAN Ethernet bus transmission (urgent!)

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Subject Author Date
Ethernet bus transmission (urgent!) olafsnackjp 11-08-04
Posted by olafsnackjp on November 8, 2004, 10:32 am
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Hi newbie here. Would like to seek help on this question regding
Ethernet.

Q: In Ethernet bus transmission, sender needs to monitor the line for
collision signal after sending message. If the length of backbone is
500 meters and the transmission speed is 250 meters per second, how
many seconds must the sender monitor the line for collision signal?
Why?

Urgent help needed & deeply appreciated.

Thks!
:lol:
*-----------------------*
Posted at:
www.GroupSrv.com
*-----------------------*


Posted by James Knott on November 8, 2004, 1:29 pm
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olafsnackjp wrote:

> Hi newbie here. Would like to seek help on this question regding
> Ethernet.
>

Someone looking for help with homework? The answer is contained in your
text book, among many other sources. Also, that must be real crappy cable,
if it's propogation rate is only 250 M/s. Perhaps they're using two cans
and a string. ;-)



Posted by Robert Redelmeier on November 8, 2004, 4:46 pm
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> Q: In Ethernet bus transmission, sender needs to monitor
> the line for collision signal after sending message. If
> the length of backbone is 500 meters and the transmission
> speed is 250 meters per second, how many seconds must the
> sender monitor the line for collision signal? Why?

LOL! Sounds like homework. Small clue -- propagation
speed is closer to 2e8 m/s . Think about it for yourself
a bit. That's what homework is designed to do.

-- Robert



Posted by J. Clarke on November 9, 2004, 8:51 am
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olafsnackjp wrote:

> Hi newbie here. Would like to seek help on this question regding
> Ethernet.
>
> Q: In Ethernet bus transmission, sender needs to monitor the line for
> collision signal after sending message. If the length of backbone is
> 500 meters and the transmission speed is 250 meters per second, how
> many seconds must the sender monitor the line for collision signal?
> Why?
>
> Urgent help needed & deeply appreciated.

I've seen several answers posted to your earlier post of this same question.
Nagging people will just get you flamed.

> Thks!
> :lol:
> *-----------------------*
> Posted at:
> www.GroupSrv.com
> *-----------------------*

--
--John
Reply to jclarke at ae tee tee global dot net
(was jclarke at eye bee em dot net)


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