Jan 21, 2002
CAT-5 Pinouts
Welcome to my RJ11 and RJ45 pin-out cheat sheet!
Wire colors:
wo = white orange
o = orange
wg = white green
bl = blue
wbl = white blue
g = green
wbr = white brown
b = brown
Pin out for CAT-5 Plug
wo o wg bl wbl g wbr b
RJ45 for an ethernet jack
Ethernet is on 1-2-3-6
1=wo
2=o
3=wg
6=g
Crossover
1-3 and 2-6 are reversed: order is 3 6 1 4 5 2 instead of 1 2 3 4 5 6
RJ11 Phone Jack
6-pair jack = 3 & 4
8-pair jack = 4 & 5
Two Jacks on CAT-5
Colors:
1 – 2 – 3 – 4 – 5 – 6 – 7 – 8
WO O WG BL WB G WBR BR
Jack 1:
1 – 2 – 3 – 4 – 5 – 6 – 7 – 8
WO O WG G
Jack 2:
1 – 2 – 3 – 4 – 5 – 6 – 7 – 8
WB B WBR BR
