0
2.2.4 Two Multiplexer with Slave Keyboard Controller (method 2)
Figure 8 - Two Multiplexer with Slave Keyboard Controller (method )
Spot output of the first multiplexer to be connected to 6
th
input of the
second multiplexer.
n: User, Spot out of n
th
to be connected to (7-n)
th
camera input of the
nd
multiplexer. n
th
spot out of the
nd
multiplexer to be connected to the n
th
spot
monitor. Each user will see the picture of the selected camera ( ~ (3-n)) on
n
th
spot monitor of the Mux by selecting camera
No. + Cam.
Rear
Keyboard controller
Master
Power
4VAC
BNC
st Main Monitor
BNC
BNC
RS-485 (–) Pin No. 4
RS-485 (+) Pin No. 6
J-Box (Back)
J-Box (Front)
AWG #4
Power
4VAC
Power
4VAC
Spot Monitor
for Master K/B
st Multiplexer
BNC
nd Multiplexer
nd Main Monitor
Spot Monitor
for Slave K/B
Keyboard controller
Slave
Rear
