What is the difference between a network DVR and a digital video recorder? Is it possible to remotely monitor it?
One is DVR. One is the NVR, DVR back-end network port, is the analog signal into a digital signal, you can access the network within the network DVR video and video, NVR is connected to the switch, the front is also the network search network camera, Received on the switch. NVR has two network ports, one is to manage the network camera, one is to access the external network, easy to access and control the external network.
In fact, two are the same, no difference. Now the surveillance video recorders are digital hard drive, have a network access function.
Network DVR and digital hard disk video recorder concept overlap, the former refers to support network access, the latter refers to the video processing, preservation, etc. in digital form
