looking at it practically, you can run cable at 150 m and still make it work. but the question is, will it meet the reference crieteria. there are a lot of things to be looked at here of which an important factor is attentuation. -Nakul
""[EMAIL PROTECTED]"" wrote in message news:[EMAIL PROTECTED] > I have a question regarding the max length for a 100BaseT cable. Granted I > haven't done a wealth of research on this so feel free to point me to > google if the answer is mind numbingly simple, which it probably is.... > > I have always understood the 100M limitation on 10BaseT ethernet cable to > be attributable to the time it would take a collision signal - assuming you > are running at half duplex - to be returned in time to prevent the next > packet from being sent. In other words any longer than 100M and the sending > station would not get the message in time that there had been a collision > and thus continue sending packets instead of backing off. I have heard > attenuation mentioned, but not as the "real" reason for the distance limit. > > My question is given that many stations are running 100 full duplex these > days - thus removing the collision concerns - does this effectively change > the maximum distance for cable runs? Or is attenuation truly a factor in > anything over 100M? > > In general I am referring to standard Cat5 cabling.... > > Just curious... > **Please support GroupStudy by purchasing from the GroupStudy Store: > http://shop.groupstudy.com > FAQ, list archives, and subscription info: http://www.groupstudy.com/list/cisco.html Message Posted at: http://www.groupstudy.com/form/read.php?f=7&i=74780&t=74776 -------------------------------------------------- **Please support GroupStudy by purchasing from the GroupStudy Store: http://shop.groupstudy.com FAQ, list archives, and subscription info: http://www.groupstudy.com/list/cisco.html
