HI ever body
good day
plz any body can help us in this problems
we have installed 12 ip camera and 16 ch NVR
after installation completed all camera pic appear in screen without any problems , after one week some camera disappear ,,,, then we get in NVR we search for camera ,, we
have added the camera again then all camera appear in screen again , without problems ,, after some time some camera disappear ,, and we do same cycles to reappear again .
More information about the installation ::-
1-the lengths of cables for each camera is less than 60 meters .
2- the power supply for each camera beside the camera .
3-the bandwidth of NVR still not consumed
4- the camera is 2 .0 fol all
this problems appear in many locations
some location less camera
we are not using POe
we are using direct power to camera
all adapters installed near to the ip camera about 30 cm away