Aiphone NDA-20 Instructions Manual page 6

3
WIRING DIAGRAMS
3C. SYSTEM WITH BOTH DOOR RELEASE AND CCTV CAMERA CALL-UP
WIRING DIAGRAM:
Intercom
CP-544A #1
CP-544A
To CP 530
(Included Ribbon Cable #1)
NDRM-20
* Numbered ribbon cables from NDRM master determine sub station placement on
the master console. Cable 1 connects to CP544 of sub stations 1 through 4, cable 2
for station 5 through 8, et cetera. Connection is the same for NDA add-on selectors.
NE-NVP
Red
1
Blk
E
H
Moment
NO
To strike and power
(Momentary Contact)
COM
NC
Const
NO
To Video switcher
COM (Maintained Contact)
NE-NVP
2
Red
E
Blk
H
Moment
NO
To strike and power
COM (Momentary Contact)
NC
Const
NO
To Video switcher
COM (Maintained Contact)
CN51
NOTES:
1. "CONST" Contact on CP544 will be
closed as long as master has sub
station selected.
2. "MOMENT" Contacts connected
directly to CP544 remain closed as
long as master has sub station
selected and door release button
pressed.
Intercom
CP-544A #2
Grn
Leave green
jumper intact
Grn
Moment
NO
COM
NC
Const
NO
COM
Grn
Leave green
jumper intact
Grn
Moment
NO
COM
NC
Const
NO
COM
CN51
NE-NVP
Red
5
Blk
E
H
To strike and power
(Momentary Contact)
To Video switcher
(Maintained Contact)
NE-NVP
6
Red
E
Blk
H
To strike and power
(Momentary Contact)
To Video switcher
(Maintained Contact)
To CP 530
(Included Ribbon Cable #2)
Grn
Leave green
jumper intact
Grn
Grn
Leave green
jumper intact
Grn
Pg. 6