Filter
Top Products
RJ-45 P
ORT
E
THERNET
C
ONNECTION
B-3
Pin Assignments
With 10BASE-T/100BASE-TX cable, pins 1 and 2 are used for
transmitting data, and pins 3 and 6 for receiving data.
Straight-Through Wiring
If the port on the attached device has internal crossover wiring (MDI-X),
then use straight-through cable.
RJ-45 Pin Assignments
Pin Number Assignment*
1Tx+
2Tx-
3Rx+
6Rx-
* The “+” and “-” signs represent the polarity of the
wires that make up each wire pair.
Straight-Through Cable Pin Assignments
End 1 End 2
1 (Tx+) 1 (Tx+)
2 (Tx-) 2 (Tx-)
3 (Rx+) 3 (Rx+)
6 (Rx-) 6 (Rx-)