
CAT 5 Cabling Standards
2-12 Cabling and Wiring
Cabling Standard EIA 568B
This standard is the most widely specified sequence worldwide for new data installations.
It is also a subset specified by the IEEE 802.3 10BASE-T Ethernet over twisted pair
standard. If using the Enterasys supplied MOD-TAP connector, use the "B" wiring
configuration for the EIA 568B wiring scheme.
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B
l
u
e
/
Wh
i
t
e
(
B
l
u
e
)
Wh
i
t
e
/
B
l
u
e
W
h
i
t
e
/
B
r
o
w
n
B
r
o
wn
/
Wh
i
t
e
(
B
r
o
w
n
)
G
r
e
e
n
/
Wh
i
t
e
(
G
r
e
e
n
)
Wh
i
t
e
/
Gr
e
e
n
Wh
i
t
e
/
Or
a
n
g
e
O
r
a
n
g
e
/
W
h
i
t
e
(
O
r
a
n
g
e
Cable Pairings/Pin Assignments
EIA 568B
MOD-TAP Connector
"B" Wiring Configuration
*
(color)
= Solid Color
White/Orange
Orange/White (Orange*)
White/Green
White/Blue
Brown/White (Brown*)
White/Brown
Green/White (Green*)
Blue/White (Blue*)
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