NVR can not add POE camera?

1,please check if the username and password is correct when adding the camera

2,network cable issue,please use CAT5e or CAT6e cable,It is recommended to use 8 cores for the wire, 

the POE cable sequence for data transmit is 1/2/3/6, for positive power is 4/5, for negative power is 7/8,

the distance of cable should be controlled around 70 meters

3,camera is not powered on, please check if camera support POE

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