Setting up a CCTV system is more than just connecting cameras. Understanding the network path makes installation and troubleshooting much easier!
π΅ Cameras β PoE Switch
Connect the cameras to the PoE switch using Ethernet cabling. The switch can provide network connectivity and PoE power to compatible IP cameras.
π’ PoE Switch β Router
The router provides network connectivity and can enable remote access when the CCTV system is properly configured and secured.
π PoE Switch β NVR/DVR
The recorder receives the camera video streams for recording, playback and management.
β« NVR/DVR β Monitor
Use HDMI/VGA to connect the recorder to a display for live viewing and playback.
π‘ Basic topology:
π· Cameras
β¬οΈ
π PoE Switch
βοΈ β βοΈ
π Router | π₯ NVR/DVR
β¬οΈ
π₯οΈ Monitor
π§ Network Engineer Tip
Always verify:
β
PoE compatibility
β
Correct Ethernet cabling
β
Camera IP addressing
β
NVR/DVR network configuration
β
VLAN and network segmentation
β
Secure remote access
β
Strong administrator credentials
π Save this diagram for your next CCTV installation or troubleshooting session!






