Videovox Pro LNS series Manual do Utilizador descarregar pdf (Página 15)

4 Cable Connection

4.1 RS485 and Power Cable Connection

There are three cable groups here: power cable, RS 485 and Video cable. Draw

out the cables from the dome to connect with main control devices (such as

monitor, control keyboard, DVR and etc.) and power adapter. Please refer to

Figure 7 Connection sheet.

Power

Red (2-pin) AC 24V(polarity free)

Black GND

RS485

Yellow 485-A

Green 485-B

Black

485-GND

Video

Video port

Video

Figure 7 Connection sheet

4.2 Alarm Cable Connection

Open the dome cover and take PTZ chip core out. Turn the core upside down;

you can see the alarm port. See Figure 8.

Figure 8 PTZ chip core

In Figure 8, please note:

• Numeral 1 to 7 is corresponding to alarm input 1 to 7.

• In alarm out: NO/COM/NC is a normal close/ normal open linkage

output(Open/close )；

• GND is grounding cable.

Speed dome alarm signal adopts grounding connection mode.

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