Extron electronic IPL T CR48 manual Ethernet/LAN, Connections, Identification

Installation and Operation, cont’d

WThe two power cord wires must be kept separate while the power supply is plugged in. Remove power before continuing.

To verify the polarity before connection, plug in the power supply with no load and check the output with a voltmeter.

Ethernet/LAN

B LANactivity.Activity LED — Yellow LED blinks to indicate LAN

C LAN connector — Plug an RJ-45 jack into this socket to connect the unit to a computer network. Use a straight- through cable to connect to a switch, hub, or router, or a crossover cable to connect directly to a PC.

Pins:

1 2 3 4 5 6 78

Insert

Twisted

Pair Wires

Straight-through Cable

(for connection to a switch, hub, or router)

	End 1		End 2
Pin	Wire Color	Pin	Wire Color
1	white-orange	1	white-orange
2	orange	2	orange
3	white-green	3	white-green
4	blue	4	blue
5	white-blue	5	white-blue
6	green	6	green
7	white-brown	7	white-brown
8	brown	8	brown

Crossover Cable

(for direct connection to a PC)

	End 1		End 2
Pin	Wire Color	Pin	Wire Color
1	white-orange	1	white-green
2	orange	2	green
3	white-green	3	white-orange
4	blue	4	blue
5	white-blue	5	white-blue
6	green	6	orange
7	white-brown	7	white-brown
8	brown	8	brown

Figure 2-6 — RJ-45 connector wiring

D Link LED — Green LED lights to indicate a good LAN connection.

Connections

E Contact closure — Four inputs permit connection of switches and sensors to provide input (trigger events) to the system.

F Relay ports — Eight relay ports provide contact closure activation of relays for power, screen projector lift control, drapes, etc., when trigger events occur.

Identification

G UID # — The unique User ID Number (MAC address) of the unit (for example, 00-05-A6-00-00-01).

2-6 IPL T CR48 • Installation and Operation