DS-2CD2332-I : Locate IP or Default

Hi. I have a site where the NVR has been taken by the previous occupant. The cameras are all still in place. If I connect all the cameras to a PoE switch and use a DHCP server, nothing is found. I have tried a few subnets without DHCP, such as 192.168.0.x, 192.168.1.x etc, but searching each subnet returns nothing. This is with both the SDAP tool and a generic IP device search.

I have no idea what the IP addresses would have been, nor the passwords. As there are a dozen cameras on...

DS-2CD2332-I : Locate IP or Default