Hi,
I just got my new DS-2CD2135F-IS but it came with the firmware 5.3.6, unfortunately I can't get it work with my Qihan NVR. I think it's the new firmware because the others have the version 5.2.5 and 5.2.0, and works perfect.
On the NVR the camera gets connected via ONVIF, but I get a black...