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CHAPTER 4: Operation

4. Operation

To operate the ClassWork Plus Line Multiplier:

1. Turn on all CPUs.

2. Turn on the Power switch on the rear of the ClassWork Plus Line Multiplier.

LED Indicators

The ClassWork Plus Line Multiplier’s front panel contains three LED indicators for
each branch. Figure 4-1 shows a diagram of the front panel. Table 4-1 explains the
LEDs.

Figure 4-1. The ClassWork Plus Line Multiplier’s front panel.

Branch Status

Function Status

Branch Power

Содержание ClassWork Plus

Страница 1: ...l 724 746 5500 FREE technical support 24 hours a day 7 days a week Call 724 746 5500 or fax 724 746 0746 Mailing address Black Box Corporation 1000 Park Drive Lawrence PA 15055 1018 Web site www black...

Страница 2: ...perated in a commercial environment Operation of this equipment in a residential area is likely to cause interference in which case the user at his own expense will be required to take whatever measur...

Страница 3: ...El aparato el ctrico debe ser montado a la pared o al techo s lo como sea recomendado por el fabricante 8 Servicio El usuario no debe intentar dar servicio al equipo el ctrico m s all a lo descrito e...

Страница 4: ...r una antena externa deber ser localizada lejos de las lineas de energia 16 El cable de corriente deber ser desconectado del cuando el equipo no sea usado por un largo periodo de tiempo 17 Cuidado deb...

Страница 5: ...4 CLASSWORK PLUS LINE MULTIPLIER TRADEMARKS USED IN THIS MANUAL Any trademarks mentioned in this manual are acknowledged to be the property of the trademark owners...

Страница 6: ...cludes 8 3 Installation 9 3 1 Before Installing the Line Multiplier 9 3 2 Connecting the System 9 3 3 Connecting the Line Multiplier 11 3 4 Connecting Branch 1 12 3 5 Connecting Branch 2 12 3 6 Connec...

Страница 7: ...to 100 kHz Vertical Up to 100 Output Video Gain Output R G B video signals 200 MHz 1 6 Vpp Sync TTL General Bandwidth 200 MHz Internal Jumpers Cancel keyboard Mouse driver Connectors Input 2 DB25 fema...

Страница 8: ...s classroom with 30 students connected to one Line Multiplier In this example six Student Interface Units SIUs are connected directly to the Teacher Interface Unit TIU Student Number 6 is then connect...

Страница 9: ...ur package should include the following items ClassWork Plus Line Multiplier 1 6 6 ft 2 m System cable 1 Power supply 110 VAC for AC817A 220 VAC for AC817AE 4 DB25 terminators This users manual If any...

Страница 10: ...onnecting the System Figures 3 1 and 3 2 show the front and rear panels of the ClassWork Plus Line Multiplier Figure 3 3 shows a diagram of the ClassWork Plus system Refer to these diagrams when conne...

Страница 11: ...k Plus Line Multiplier system Line Multiplier Instructor CPU 6 CPU 5 CPU 4 CPU 3 CPU 2 CPU 1 CPU 7 CPU 8 CPU 9 CPU 10 CPU 11 CPU 12 CPU 13 CPU 14 CPU 15 CPU 16 CPU 17 CPU 18 CPU 19 CPU 20 CPU 21 CPU 2...

Страница 12: ...ier to the ClassWork Plus system Connect the DB25 male connector from the System cable see Figure 3 4 to the System In port of the Line Multiplier Figure 3 4 System cable Figure 3 5 System In port con...

Страница 13: ...in Branch 1 Figure 3 6 System In port connection 3 5 Connecting Branch 2 The System cable from Student Interface Unit SIU 13 is used to connect Branch 2 to the Line Multiplier see Figure 3 7 To conne...

Страница 14: ...19 in Branch 3 Figure 3 8 System In port connection 3 7 Connecting Branch 4 The System cable from Student Interface Unit SIU 25 is used to connect Branch 4 to the Line Multiplier see Figure 3 9 To con...

Страница 15: ...lier Figure 3 10 Terminator 3 9 Connecting the Power Supply Insert the power supply plug into the 9 VAC power port on the rear of the ClassWork Plus Line Multiplier and plug the cord into a wall socke...

Страница 16: ...rk Plus classroom with 30 students connected to one Line Multiplier Table 3 1 indicates how to set the Line Multiplier DIP switches in the example shown in Figure 3 12 Table 3 1 Setting the DIP switch...

Страница 17: ...7 18 and 19 20 consecutively Table 3 2 shows how to set the Student Number Table 3 2 Setting the Student Number Student No Switch Number 1 2 3 4 5 6 7 8 0 0 0 0 0 0 0 0 0 1 1 0 0 0 0 0 0 0 2 0 1 0 0 0...

Страница 18: ...0 0 0 0 1 0 0 33 1 0 0 0 0 1 0 0 34 0 1 0 0 0 1 0 0 35 1 1 0 0 0 1 0 0 36 0 0 1 0 0 1 0 0 37 1 0 1 0 0 1 0 0 38 0 1 1 0 0 1 0 0 39 1 1 1 0 0 1 0 0 40 0 0 0 1 0 1 0 0 41 1 0 0 1 0 1 0 0 42 0 1 0 1 0 1...

Страница 19: ...Table 3 2 continued Setting the Student Number Student No Switch Number 1 2 3 4 5 6 7 8 57 1 0 0 1 1 1 0 0 58 0 1 0 1 1 1 0 0 59 1 1 0 1 1 1 0 0 60 0 0 1 1 1 1 0 0 61 1 0 1 1 1 1 0 0 62 0 1 1 1 1 1 0...

Страница 20: ...e rear of the ClassWork Plus Line Multiplier LED Indicators The ClassWork Plus Line Multiplier s front panel contains three LED indicators for each branch Figure 4 1 shows a diagram of the front panel...

Страница 21: ...nctioning branch is not functioning properly properly Function Status Indicates that a ClassWork Indicates that no function is being performed ClassWork function is on one of the CPUs in being perform...

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