CNB MXC6050IR - Manual (Page 20)

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5. Trouble Shooting
5.1. No power is applied
 In case of Standard PoE (Power over Ethernet)
Power supply through standard PoE is possible only when the following conditions are met.
1. Standard PoE is supported on the product.
2. The LAN switch supports standard PoE.
Make sure that both the IP camera and the LAN switch support standard PoE (IEEE 802.3af)
 In case of DC adaptor
If PoE is not applied, the power and network connection should be made through separate cables. It is
recommended to use DC adaptor supplied by provider for the feeding of the power. In case of replacing
the DC power supply, make sure that the power supply meets with the power requirement of the IP
camera to prevent damage or malfunction.