Philips Video Camera manual Two Multiplexer with Slave Keyboard Controller

2.2.3 Two Multiplexer with Slave Keyboard Controller

Power	Power	Power
24VAC	24VAC	24VAC

AWG #24

BNC

	Spot Monitor	Spot Monitor
1st Main Monitor	for Slave K/B	for Master K/B

BNC

BNC

1st Multiplexer	RS-485	(–) Pin No. 4
	RS-485	(+) Pin No. 6
J-Box (Back)	J-Box (Front)

	Rear
Keyboard controller	Keyboard controller
Master	Slave

2nd Main Monitor

BNC

2nd Multiplexer

Rear

	Spot output 1 of the first multiplexer to be connected to 16th input of the
	second multiplexer.
	n: User, Spot out of nth to be connected to (17-n)thcamera input of the 2nd
	multiplexer. nth spot out of the 2nd multiplexer to be connected to the nth spot
	monitor. Each user will see the picture of the selected camera (1 ~ (31-n)) on
Figure 7 - Two Multiplexer with Slave Keyboard Controller	nth spot monitor of the Mux 2 by selecting camera No. + Cam.

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