Wiring Guide

Wiring Configurations for Modular Plugs
A. Band-Striped
Twisted-Pair Wire
B. Solid-Color
Twisted-Pair Wire
PAIR 1
PAIR 2
TIP
RING
RING
RING
RING
BASE COLOR
BAND COLOR
TIP
TIP
TIP
PAIR 3
PAIR 4
Common Wiring Configurations
Wire Color Codes
10Base-T
(4 WIRE ETHERNET)
Pair 1 Pair 2
TIP AND RING
DESIGNATIONS
JACK PIN NUMBER
DESIGNATIONS
+
_
+
_
TRT R
12345678
Token Ring
DATA
CONNECTOR
STUFFER
CAP
MODULAR
JACK
1
2
3
4
5
6
7
8
NC
NC
BLK
RED
GRN
ORN
1
4
3
2
Terminals are
not shorted when
connector is mated
USOC
Pair 1
Pair 2
Pair 3
Pair 4
_
++
_
+
__
+
RTTRTRRT
12345678
POLARITY
T568B (AT&T)
Pair 1
Pair 2
Pair 3
Pair 4
+
_
+
_
+
_
+
_
TRTRTRTR
12345678
T568-A
Pair 1
Pair 3
Pair 2
Pair 4
+
_
+
_
+
_
+
_
TRTRTRTR
12345678
Standard 4-Pair Wiring Color Codes
PAIR 1
T White/Blue
R Blue
PAIR 2
T White/Orange
R Orange
PAIR 3
T White/Green
R Green
PAIR 4
T White/Brown
R Brown
Note: For 6-wire jacks use pair 1, 2 and 3
color codes. For 4-wire jacks use pair 1 and
2 color codes.
Note: Diagrams reflect flat surface of modu-
lar plug facing up, with tab side down.