About Connectors
37
When 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 shown according to the settings.
When alarm devices such as a buzzer or indicator are installed externally, connect them to the Alarm output (Alarm/Control connector pin 21).

Alarm Connectivity

ALARM
21
9
Alarm equipment
Relays etc.*
ALARM/CONTROL
(Alarm input 17)
(Signal ground)
Sensor Door security
switch
(Alarm input 1)
(Alarm output)
*Attached when
necessary.
(Signal ground)
13
114
ND400_Basic.book 37 ページ 2008年7月10日 木曜日 午前10時50分