Power over Ethernet (POE) is a technology that lets network cables carry electrical power. For example, a digital security camera normally requires two connections to be made when it is installed: A network connection, in order to be able to communicate with video recording and display equipment
network video recorder
A network video recorder (NVR) is a software program that records video in a digital format to a disk drive, USB flash drive, SD memory card or other mass storage device. An NVR contains no dedicated video capture hardware
What is a DVR system?
A digital video recorder (DVR) is an electronic device that records video in a digital format to a disk drive, USB flash drive, SD memory card, SSD or other local or networked mass storage device
What is Network Address Translation (NAT)
Network Address Translation (NAT) is the process where a network device, usually a firewall, assigns a public address to a computer (or group of computers) inside a private network
What is a DMZ port?
A DMZ (demilitarized zone) on a home router refers to a DMZ Host. ... A home router DMZ host is a host on the internal network that has all UDP and TCP portsopen and exposed, except those ports otherwise forwarded. They are often used a simple method to forward all ports to another firewall/NAT device
What is meant by IP camera?
An Internet Protocol camera, or IP camera, is a type of digital video cameracommonly employed for surveillance, and which, unlike analog closed-circuit television (CCTV) cameras, can send and receive data via a computer network and the Internet.
What is domain name system and how it works?
The Domain Name System (aka DNS) is used to resolve human-readable hostnames like www.Dyn.com into machine-readable IP addresses like 204.13.248.115. DNS also provides other information about domain names, such as mail services. But why is DNS important?
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