Dahua ASA4214F - Page 18

9
Figure 2-11
2.5.3 Wiring Description of Power and Network Port
In CON3, corresponding terminals are described in Table 2-6.
Port
No.
Mark
Note
CON3 (power
and network
port)
1
12V
Positive pole of power
2
12V
3
ERX-
100M network port
4
GND
Negative pole of power
5
GND
6
ERX+
100M network port
7
ETX-
8
ETX+
Table 2-6
2.5.4 Wiring Description of External Alarm Input/Output
In CON4, corresponding terminals are described in Table 2-7.
Port
No.
Mark
Note
CON4 (external
alarm input/
output)
1
COM2
External alarm
output 2
External alarm output
port is able to connect
siren etc.
2
NO2
3
COM1
External alarm
output 1
4
NO1
5
GND
External alarm
input 2
External alarm input port
is able to connect smoke
detector and IR detector
etc.
6
ALM2
7
GND
External alarm
input 1
8
ALM1
Table 2-7
There are two types of external alarm output depending on alarm device. For example, IPC
adopts type 1, whereas siren adopts type 2, as shown in Figure 2-12 and Figure 2-13.