About Connectors
36
Used to connect alarm-related devices such as a sensor or a door switch.
Create the connector by referring to the pin assignments.
The pin assignments are different for other Network Disk Recorders. Connect using the following chart.

Using the Alarm Connector

Pin Assignments

ALARM

113

25 14

Pin
Number Name Description of Operation Remarks
1 Alarm input 17 Event action will be performed according to
the settings.
Non-voltage make contact input 5 V pull-
up 150 kΩ
2 Alarm input 18
3 Alarm input 19
4 Alarm input 20
5 Alarm input 20
6 Alarm input 22
7 Alarm input 23
8Alarm 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 will be performed according to
the settings.
Non-voltage make contact input 5 V pull-
up 150 kΩ
16 Alarm input 26
17 Alarm input 27
18Alarm input 28
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7月10日 木曜日 午前10時50分