How to add new IP cameras access point without re-wiring the cable

Since the business grows, you might need to add more IP devices to the system such as IP cameras, access points, and VoIP phones. The fair method is to wire the new cat5e/cat6 cable to each of the destinations. However, it might cause downtime in your business. Actually, the existed Ethernet cable can be re-used to expand the PoE network. You will see how it can be done simply in this video.
Here is the stuff you saw in this video.
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