Model DSD32R
12
Section 8 Sensor Input Connections
When the alarm input (MENU->RECORDER->ALARM-REC) is set to “OPEN”, low ( 0 )
level alarms will be detected. When the alarm input (MENU->RECORDER->ALARM-REC)
is set to “CLOSE”, high level ( 1 ) alarms will be detected. Below is the pin out configuration
of the 25 way Alarm D-type and an example of the alarm connections.
PIN#
Definition
PIN# Definition
1
ALARM IN1
14
GND
2
ALARM IN2
15
NO1
3
ALARM IN3
16
NC1
4
ALARM IN4
17
COM1
5
ALARM IN5
18
NO2
6
ALARM IN6
19
NC2
7
ALARM IN7
20
COM2
8
ALARM IN8
21
NO3
9
ALARM IN9
22
NC3
10
ALARM IN10
23
COM3
11
ALARM IN11
24
GND
12
ALARM IN12
25
GND
13
+12V
Figure 3
32-channel DVR Exterior Sensor
Two pins are used in the
connection between the
sensor and DVR. One
connects to the ALARM
IN pin and another
connects to the GND
pin.
