Why need PoE surge protector for IP camera system and How to add it properly?
The surge is present everywhere, especially after the lighting, hit to the ground, and it will spread. The cat5e/cat6 is a copper cable that may absorb the surge from the environment and the surge will travel to both ends. If you don’t have proper surge protection, it could damage your NVR or IP cameras. Adding the PoE surge protector will release most part of the surge to the ground and save your IP devices behind. The grounding is critical when you set up the PoE surge protector. You also need to ground your POE NVR as well because the surge protector can release 100% of the surge, there is still about 10% that will pass through the surge protector and reach your IP devices.
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