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2.1.3 Single User with Two Multiplexer
RS-485(+) PIN No.4
RS-485(-) PIN No.5
BNC
SPOT MONITOR 2ND MAIN MONITOR
2ND MULTIPLEXER
AWG # 24
BNC
BNC
1ST MAIN MONITOR
1ST MULTIPLEXER
BNC
AC 24V
POWER POWER
AC 24V
RX-(TX-)
RX+(TX+)
(RX-)
(RX+)
(RS-422)
RS-485
GND
(RX+)
AC-
AC+
FGND
(RX-)
AC-
RX+(TX+)
RX-(TX-)
AC+
NC2
NO2
NC1
NO1
COM2
COM1
AL4
GND
AL3
AL2
GND
AL1
NO4
NC4
COM4
NO3
NC3
COM3
GND
AL8
AL7
GND
AL6
AL5
AC 24V
POWER
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
the picture of the selected camera (1~31) on
s
pot monitor by selecting camera
No.
+
Cam
.
Figure 4 – Two Multiplexer