DECO 6E. I had a problem once and could not sign in to the amp on my cellphone for the router I had. It created a big head ack and would not like to go through that again. How do I load the amp for...

I just installed this router. It has picked up everything except my NVR. The NVR is usd by the security cameras for storage. How do I get this router to see this machine? Plus I will need a IP...