AMX NI-4100, NI-3100, NI-2100 manual Ethernet/RJ-45 Port Connections and Wiring, Ethernet LEDs

Connections and Wiring

Ethernet/RJ-45 Port: Connections and Wiring

NI-x100 Controllers feature an Auto MDI/MDI-X Ethernet port. This provides the option of using either a standard (straight through), or a crossover Ethernet cable to communicate with a PC - both cable types will work.

The following table lists the pinouts, signals, and pairing for the Ethernet connector.

Ethernet RJ-45 Pinouts and Signals

Pin	Signals	Connections		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. 21 diagrams the RJ-45 pinouts and signals for the Ethernet RJ-45 connector and cable.

FIG. 21 RJ-45 wiring diagram

Ethernet LEDs

L/A - Link/Activity LED lights (green) when the

Ethernet cables are

connected and terminated correctly.

SPD - Speed LED lights (yellow) when the connection speed is 100 Mbps and turns Off when speed is 10 Mbps.

FIG. 22 Ethernet LEDs

NI-2100, NI-3100, NI-4100 Hardware Reference Guide 29