About Connectors
37
W
hen a signal is input to Alarm Inputs 1 through 32 (Alarm connector pins 1 through 12 and 15 through 25, Alarm/Control connector pins 1
through 9), recording and camera images are sho
w
n according to the settings.
W
hen alarm devices such as a
b
uzzer or indicator are installed externally, connect them to the Alarm output (Alarm/Control connector pin 21).
Alarm Connectivity
ALARM
21
9
Alarm eq
u
ipment
Relays etc.*
ALARM/CO
N
TROL
(Alar
m inp
u
t 17)
(Signal g
ro
u
nd)
Sensor
Door sec
u
rity
switch
(Alar
m inp
u
t 1)
(Alarm o
u
tp
u
t)
*Attached when
necessary.
(Signal gro
u
nd)
13
1
14
ND400_Basic.book 37 ページ 2008年4月8日 火曜日 午後3時59分