||Post Office Protocol (POP) is an application-layer Internet standard protocol used by local e-mail clients to retrieve e-mail from a remote server over a TCP/IP connection
||This is the process of opening a window from a private home network to the rest of the world wide web so that a device on the home network may be accessed from anywhere on the web. DVR's require multiple open ports to be properly accessible from places other than the same location.
||When computers communicate with each other, there needs to be a common set of rules and instructions that each computer follows. A specific set of communication rules is called a protocol.
||PTZ is an abbreviation for pan (left and right), tilt (up and down), and zoom (in and out) and reflects the movement options of the camera.
||A QR code consists of black modules (square dots) arranged in a square grid on a white background, which can be read by an imaging device (such as a camera) and processed until the image can be appropriately interpreted into useful data.
||RJ45 is a type of connector commonly used for Ethernet networking. It looks similar to a telephone jack, but is slightly wider.
||"Root" is the name of the user who has administrative privileges on a Unix or Linux server. The root user can access any folder on the hard drive. This allows the root user to install system software updates and perform other administrative tasks.
||A hardware device that routes data from a local area network (LAN) to another network connection. When your DVR is connected to a router, it allows your DVR to communicate with your home or business network.
||Stands for "Serial Advanced Technology Attachment," or "Serial ATA." It is an interface used to connect ATA hard drives to a computer's motherboard.
||The sensitivity indicates how much motion needs to occur before the camera indicates that motion is being observed. The lower the number the less sensitive the camera is to detecting motion.