Other common errors are RJ-45, which actually designates a specific connector, wired in a specific wiring pattern, for a specific telephone application having nothing in common with Ethernet. (if you use the specified connector, it not only won't fit into an Ethernet jack, but the wiring will have no wires in common with Ethernet.)
I agree you can't plug an ethernet cable into a telephone jack and expect it to work but the wiring of the cables are the same. Aren't T568A/B AT&T specs? When I look in my Western Electric Registration Service Manual I see the RJ 45s defined as
1 n/c
2 n/c
3 MI
4 ring
5 tip
6 MIC
7 PR
8 PC
4&5 is a pair
3&6 is a pair
1&2 is a pair
7&8 is a pair
What wire would be different for ethernet?
I agree the term "RJ45" refers to a particular connection setup in the jack with a programming resistor on the 7/8 pair (RJ41S adds a pad on pair 1/2)
but the wiring itself is the same. At a certain point, if we all know what we are talking about who cares? That is like getting pedantic about the use of the term "Romex" or "Bell Box".
