Cable Connection - Dahua B240 Quick Start Manual

Security radar
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1.4 Cable Connection

Connect the cables according to the labels on the radar; otherwise the device might be damaged.
No.
Port name
Network cable
1
(female)
2
Power input
3
Alarm
4
RS–485
5
Power input
Figure 1-5 Cable connection
Table 1-3 External connection description
Function
Connect to a standard Ethernet cable. Support PoE power supply.
Comply with IEEE 802.3at standard when using PoE power supply.
12 VDC power input.
● White: Alarm input ground.
● Blue: Alarm input.
● Brown: Alarm output 1.
● Pink: Alarm output 2.
● Green: Alarm output ground 1.
● Red: Alarm output 3.
● Purple: Alarm output 4.
● Light green: Alarm output 5.
● Black: Alarm output ground 2.
● Yellow: RS–485_A.
● Orange: RS–485_B.
● Grey: GND.
Reserved for future use.
24 VAC power input.
3
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