
Connections and Wiring
18
NI-3101-SIG Signature Series NetLinx Integrated Controller
Ethernet/RJ-45 Port: Connections and Wiring
The following table lists the pinouts, signals, and pairing for the Ethernet connector.
FIG. 11 diagrams the RJ-45 pinouts and signals for the Ethernet RJ-45 connector and cable.
Ethernet LEDs
Ethernet RJ-45 Pinouts and Signals
Pin
Signals
Connection
s
Pairing
Color
1
TX +
1 --------- 1
1 --------- 2
Orange-White
2
TX -
2 --------- 2
Orange
3
RX +
3 --------- 3
3 --------- 6
Green-White
4
no connection
4 --------- 4
Blue
5
no connection
5 --------- 5
Blue-White
6
RX -
6 --------- 6
Green
7
no connection
7 --------- 7
Brown-White
8
no connection
8 --------- 8
Brown
FIG. 11
RJ-45 wiring diagram
FIG. 12
Ethernet LEDs
10/100
ETHERNET
SPD
- Speed LED
connection speed is 100 Mbps
and turns Off when speed is
lights (yellow) when the
L/A
- Link/Activity LED
lights (green) when the
Ethernet cables are
connected and terminated
10 Mbps.
correctly.
1 2 3
4 5 6 7 8
1 2 3
4 5 6 7 8