If the camera itself does not seem to be sending video to the NVR, although it has booted, has network connectivity, and you have configured a recording schedule on the NVR, you may see camera log messages such as:

Usually this is self-correcting. If not, or if a camera is otherwise unresponsive, reboot the camera:

If this does not solve the problem, you can try either upgrading the camera’s firmware (see “Upgrading/downgrading the camera firmware”) or resetting the camera to factory defaults, then re-configuring it (see the camera’s QuickStart Guide).