On Thursday 24 July 2003 16:00, Jamin W. Collins wrote: > On Thu, Jul 24, 2003 at 11:50:48AM -0300, [EMAIL PROTECTED] > > wrote: > > >If it's running at 10Mbit, it will never be full duplex. If you're > > >running at 100, then it could be full or half. If your network > > >cables only have four leads connected, you're using 10. > > > > I?ve noticed that some of the most recent 100Mbit cards I've been > > buying (Genius low end cards, model GF100TXR4) have only four > > connection points on the RJ45 slot. However, the cards *do* work at > > 100Mbits. Anybody with the technical knowledge on the subject could > > please explain that? Why do 3Coms have all 8 leads, while low-end use > > only 4? how does it affect the quality of connection? Are all 8 leads > > really used? > > No, only 4 leads are needed for both 10 and 100 Mbit connections: > > http://www.makeitsimple.com/how-to/dyi_crossover.htm > > -- > Jamin W. Collins > > Linux is not The Answer. Yes is the answer. Linux is The Question. - Neo
The other 4 are used for power over ethernet, 802.11af. It is only gigabit ethernet that uses all four pairs for data. David -- To UNSUBSCRIBE, email to [EMAIL PROTECTED] with a subject of "unsubscribe". Trouble? Contact [EMAIL PROTECTED]