11
2.1.4 Two Multiplexer with Slave Keyboard Controller
AWG # 24
BNC
AC 24V
POWER
POWER
AC 24V
R
X
-(
T
X
-)
RX+(TX+)
(R
X
-)
(R
X
+
)
(RS-422)
R
S
-4
85
G
N
D
(R
X
+
)
A
C
-
A
C
+
F
G
N
D
(R
X
-)
A
C
-
RX+(TX+)
R
X
-(
T
X
-)
A
C
+
NC
2
NO
2
NC
1
NO
1
CO
M2
CO
M1
AL
4
GN
D
AL
3
AL
2
GN
D
AL
1
NO
4
NC
4
CO
M4
NO
3
NC
3
CO
M3
GN
D
AL
8
AL
7
GN
D
AL
6
AL
5
AC 24V
POWER
BNC
FOR MASTER K/B
2ND MULTIPLEXER
BNC
1ST MAIN MONITOR
FOR SLAVE K/B
1ST MULTIPLEXER
BNC
RS-485(+) PIN No.4
RS-485(-) PIN No.5
SPOT MONITOR
SPOT MONITOR
Spot output 1 of the first multiplexer to be connected to 16
th
input of the second multiplexer.
n: User, Spot out of n
th
to be connected to (15-n)
th
camera input of the 2
nd
multiplexer. n
th
spot
out of the 2
nd
multiplexer to be connected to the n
th
use spot monitor. Each user will see the
picture of the selected camera (1~(31-n)) on n
th
spot monitor of the Mux 2 by selecting camera
No.+Cam
.
