Two Multiplexer With Slave Keyboard Controller - Philips Video Camera Installation And Operating Manual

2.2.3 Two Multiplexer with Slave Keyboard Controller

Power
24VAC
AWG #24
BNC
1st Main Monitor
1st Multiplexer
J-Box (Back)
Keyboard controller
Master
Figure 7 - Two Multiplexer with Slave Keyboard Controller
Power
24VAC
BNC
BNC
Rear
Power
24VAC
Spot Monitor Spot Monitor
for Slave K/B for Master K/B
2nd Multiplexer
RS-485 (–) Pin No. 4
RS-485 (+) Pin No. 6
J-Box (Front)
Keyboard controller
Slave
Spot output 1 of the first multiplexer to be connected to 16
second multiplexer.
n: User, Spot out of n to be connected to (17-n)
th
multiplexer. n spot out of the 2
th nd
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 No. + Cam.
th
9
2nd Main Monitor
BNC
Rear
input of the
th
camera input of the 2
th
multiplexer to be connected to the n
th
nd
spot