About Connectors
36
Used to connect alarm-related devices such as a sensor or a door s
w
itch.
Create the connector
b
y referring to the pin assignments.
The pin assignments are different for other Net
w
ork Disk Recorders. Connect using the follo
w
ing chart.
Usin
g
the Alarm Connector
Pin Assi
g
nments
ALARM
1
13
25
14
Pin
Number
Name
Description of Operation
Remarks
1
Alarm input 17
Event action
w
ill
b
e performed according to
the settings.
Non-voltage make contact input 5
V
pull-
up 150 k
Ω
2
Alarm input 1
8
3
Alarm input 19
4
Alarm input 20
5
Alarm input 20
6
Alarm input 22
7
Alarm input 23
8
Alarm input 24
9
Alarm input 1
10
Alarm input 2
11
Alarm input 3
12
Alarm input 4
13
Signal ground
14
Signal ground
15
Alarm input 25
Event action
w
ill
b
e performed according to
the settings.
Non-voltage make contact input 5
V
pull-
up 150 k
Ω
16
Alarm input 26
17
Alarm input 27
1
8
Alarm input 2
8
19
Alarm input 29
20
Alarm input 30
21
Alarm input 31
22
Alarm input 32
23
Alarm input 5
24
Alarm input 6
25
Alarm input 7
ND400_Basic.book 36 ページ ２００８年４月８日 火曜日 午後３時５９分
