Bones558

I have some Hikvision DS-2CD2543G0-IS cameras and a Lorex N883A6B-Z NVR (all brand new). I can't get them to connect to each other. I understand the proper way to connect these is via the ONVIF protocol, but I still have been unable to get that to work. All devices have the most current firmware available installed. Would anyone be able to provide some guidance or advice on what I can try to get these to work together? Thanks, Tony