Philips Video Camera - Manual (Page 8)

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2.2.2 Single User with Two Multiplexer
Figure 6 - Two Multiplexer
Rear
Keyboard controller
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
1st Multiplexer
BNC
2nd Multiplexer
2nd Main Monitor
Spot output of the first multiplexer to be connected
to 16
th input of the second multiplexer.
And first spot output of the 2 nd multiplexer to be
connected to the spot monitor. You will see tthe
picture of the selected camera (1-31) on spot
monitor by selecting camera
No. + Cam.