Extron electronic SFI244 Series, IPL T SF24 user manual Ethernet/LAN, Serial communication

Installation and Operation, cont’d

AA

	SECTION A–A	Captive Screw
Power Supply		Connector
Output Cord

Figure 2-6 — Power connector wiring

Do not tin the stripped power supply leads before installing the captive screw connector. Tinned wires are not as secure in the captive screw connectors and could pull out.

The 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

2LAN Activity LED — A blinking yellow LED indicates LAN activity.

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, and a crossover cable to connect directly to a PC.

Clip Down

	Straight-through cable				Crossover cable			1 2 3 4 5 6 7 8		RJ-45
										connector
	Side 1		Side 2		Side 1		Side 2
Pin	Wire color	Pin	Wire color	Pin	Wire color	Pin	Wire color
1	White-orange	1	White-orange	1	White-orange	1	White-green
2	Orange	2	Orange	2	Orange	2	Green
3	White-green	3	White-green	3	White-green	3	White-orange
4	Blue	4	Blue	4	Blue	4	Blue	1 2 3 4 5 6 7 8
5	White-blue	5	White-blue	5	White-blue	5	White-blue
6	Green	6	Green	6	Green	6	Orange
7	White-brown	7	White-brown	7	White-brown	7	White-brown			Twisted
8	Brown	8	Brown	8	Brown	8	Brown			Pairs
								1&2 3&6	4&5	7&8
	Figure 2-7 — RJ-45 connector wiring
								Crossover cable

Link LED — The green LED lights to indicate a good LAN connection.

Serial communication

3Flex I/O ports — Four I/O ports permit connection of switches and sensors to provide input to the system, and contact closure activation of relays for power, screen, or projector lift control (output). Plug a serial cable into this 3.5 mm, 5-pole captive screw connector for flexible I/O connection.

4COM ports — Plug a 3.5 mm, 5-pole captive screw connector into this socket for serial ports 1 and 2.

5COM1 and COM2— Plug a serial cable into this 9-pin D connector for serial port 1 or serial port 2 connection. See figure 2-8 for pin assignments.

Take note that the IPL T SF24 allows for use of either the 9-pin D connector or the captive screw connector on COM1 or COM2. The COM 9-pin D and the COM captive screws cannot be loaded simultaneously.

6IR/Serial out ports — Plug a serial cable into this 3.5 mm, 5-pole captive screw connector for infrared or serial connections.

The IPL T SF24 and SFI244 interfaces can be used to control display devices, switchers, and other A/V equipment via an RS-232 connection. Factory default protocol for the control interface is RS-232, 9600 baud, no parity, 8 data bits, 1 stop bit, pacing = 0ms, and handshaking = off. The control device (PC, laptop, etc.) can use either Extron’s Simple Instruction SetTM (SISTM) or the graphical control program for Windows®, via a Web browser.

Pin assignments for the rear panel, 9-pin D connector COM ports on the IPL T SF24 are shown in figure 2-8.

Pin	Function	RS-232	RS-422	RS-485
2	Receive Data/Receive Data -	RX	RX-	Data -
3	Transmit Data/Transmit Data -	TX	TX-	Tie 2 & 3
5	Signal Ground	GND	GND	GND
7	Request to Send/Transmit Data +	RTS	TX+	Data +
8	Clear to Send/Receive Data +	CTS	RX+	Tie 7 & 8

Figure 2-8 — COM1 and COM2, 9-pin D connector pin assignments (SF24 only)

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