You are correct. the 568A or B spec shows that pin 1 is tip and 2 is ring. Pin 4 is ring and pin 5 is tip for pair one. So for a tip to tip and ring to ring crossover then 2 to 4 and 1 to 5 is correct.
> -----Original Message----- > From: s vermill [mailto:[EMAIL PROTECTED]] Also, it's interesting that > most people say 1 > to 4 and 2 to 5. I don't have a copy of any specs offhand, but it's > actually 1 to 5 and 2 to 4. Being bipolar though, it doesn't > matter. Ones > and zeros are signalled by the magnitude of difference > between the potential > at the A and B leads. In other words, current is caused to > flow or it's > not. Doesn't matter which direction. I'll see if I can dig > up something > official on the pins... Message Posted at: http://www.groupstudy.com/form/read.php?f=7&i=61516&t=61487 -------------------------------------------------- FAQ, list archives, and subscription info: http://www.groupstudy.com/list/cisco.html Report misconduct and Nondisclosure violations to [EMAIL PROTECTED]

