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IMPORTANT!
Make sure that the appropriate mother terminal board
(CP-543A) is connected to the master and add-on
selector(s). Master and add-on mother terminal boards
are NOT interchangeable.
NDRM-20
(Back View)
3
WIRING DIAGRAMS
A+
A-
B-
B+
Q
H
E
S
B
Y
V1
A1
V2
A2
CN 1
Mother Board
CP-543A
(Included Ribbon cable "M")
+
-
PS-2420UL
CP-543A
(Master)
3A. CONNECTION OF MAIN TERMINAL TO MASTER AND ADD-ON
V1
A1
V2
A2
V3
A3
V4
A4
A+
A-
CN 1
Mother Board
CP-543A
+
-
PS-2420UL
NDA-20
(Back View)
(Included Ribbon cable "A")
CP-543A
(Add-on)
(Included Ribbon cable)
Pg. 4
2-pin connector.
Connect to add-
on selector(s).
2-pin connector.
Connect to
master station.