Philips Video Camera Manuel D’Utilisation

8

9

Figure 7 - Two Multiplexer with Slave Keyboard Controller

Rear

Keyboard controller
Master

Power

24VAC

BNC

1st Main Monitor

BNC

BNC

RS-485 (–) Pin No. 4
RS-485 (+) Pin No. 6

J-Box (Back)

J-Box (Front)

AWG #24

Power

24VAC

Power

24VAC

 Spot Monitor

for Master K/B

 1st Multiplexer

BNC

2nd Multiplexer

2nd Main Monitor

 Spot Monitor

for Slave K/B

Keyboard controller
Slave

Rear

Spot output 1 of the first multiplexer to be connected to 16

 input of the 

second multiplexer.
n: User, Spot out of n

 to be connected to (17-n)

 camera input of the 2

 

multiplexer. n

 spot out of the 2

 multiplexer to be connected to the n

 spot 

monitor. Each user will see the picture of the selected camera (1 ~ (31-n)) on 
n

 spot monitor of the Mux 2 by selecting camera