Wiring Diagrams - Aiphone NDA-20 Instructions Manual

3

WIRING DIAGRAMS

3A. CONNECTION OF MAIN TERMINAL TO MASTER AND ADD-ON
CP-543A
(Master)
CP-543A
(Add-on)
Mother Board
CP-543A
PS-2420UL
A+ +
A-
-
B-
B+
CN 1
(Included Ribbon cable "M")
Q
H
E
S
NDRM-20
B
(Back View)
Y
V1
A1
V2
A2
NDA-20
(Back View)
Mother Board
CP-543A
V1
A1
V2
A2
V3
A3
V4
A4
PS-2420UL
A+
+
A-
-
CN 1
(Included Ribbon cable "A")
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.
(Included Ribbon cable)
2-pin connector.
master station.
2-pin connector.
Connect to add-
on selector(s).
Connect to
Pg. 4