CNB SBN-23Z27F - Manual (Page 14)

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2. Installation
⊙ Wire Connections
14
■ Power Connection
• The standard power for the system is 24VAC / 2A.
Please, check the voltage and current capacity of rated power carefully.
■ Video Connection
• Connect With BNC coaxial cable.
■ RS-485 Communication
• For PTZ control, connect this line to keyboard and DVR. To control multiple cameras at the same time, RS-485 communication lines of them is
connected in parallel as shown below.