old ip cam with nvr

[freeidea 0]

hello all ,

i have a owsoo NVR with a single ethernet port not POE,and i try to connect 2 ip cam

first Dlink DCS 920 connected in dhcp mode to my router with nvr but no succes when searching

the second camera is found by nvr as TS4001 and show already connected but no video ,i try all setting like disabling P2P,UPNP ,external port without succes.

my question what type of ipcam that new NVR can accept?

[Annkesecurity 0]

Buy IP camera and NVR from one brand. 

OR the IP camera and NVR both support ONVIF protocol.