10
Figure 2-11
2.5.2 Cable Connection
Connect cable which is pulled out of wall to the corresponding power cable, video cable, audio
cable, RS-485 control cable, alarm cable, network cable, high frequency cable and optical fiber
cable etc. (according to the actual requirements) of the multi-functional combination cable, and
then twine the cable connector with insulated tape to make it waterproof.
Note
During actual installation, make sure the wire diameter of the cable which is to connect to
RS485 control cable
can’t be too big; otherwise it will affect the control effect. Please refer to
appendix 2 RS485 bus for relevant introduction.
2.5.3 Alarm Cable Connection
The alarm cable connection mode and config steps are shown as follows:
Step 1
Connect alarm input device to the ALARM IN and ALARM GND of the user cable.
Step 2
Connect alarm output device to the ALARM OUT and ALARM COM of the user cable, alarm
output is the relay switch output.
Step 3
Open the device WEB interface, make corresponding settings to the alarm input and output
device in “Setup > Event > Alarm Setup". The alarm input of WEB is corresponding to the alarm
input of the user cable. It is to set the corresponding NO and NC output according to the high and
low level signal generated by alarm input device when alarm triggers.
Step 4
Set the alarm output situation of user cable on the WEB.
2.5.4 Connect Camera GND Cable
Connect the power line YELLOW & GREEN of the combination cable to the lightning protection
device, and make sure the lightning protection device is well grounded.
