Abbreviations used in CCTV and Network industry.
This article is for CCTV professionals and knowledge seekers; here we are covering all the acronyms of the CCTV field with a short definition. It also helps to crack the technical interview for the installer, technical support and CCTV operator job.
DVR:
DVR is part of a closed-circuit system. It stands for Digital Video Recorder, which is a device that records video in a digital format from the camera to a hard disk drive or any external storage.NVR:
NVR stands for Network Video Recorder is a specialized system that includes a software program to record video in a digital format. An NVR is typically an IP-based video surveillance system.
TCP and UDP ports used 554 RTSP traffic.
It supports 8K and Ultra High Definition resolution.
IPv4 support 4294967296 addresses.
Example: 2008:ABCF:ZC12:1265:0000:0000:0JK4:8844
IPv6 supports 340,282,366,920,938,463,463,374,607,431,768,211,456 addresses.
After VCA came into existence CCTV industry experienced a boom in growth.
All modern DVRs/NVRs have DHCP and Static IP management.
RG-59:
RG-59 stands for Radio Guide-59 it is a type of coaxial cable used for Analog cameras and for television signals.RG-6:
Radio Guide-6 is a coaxial cable used for CCTV cameras and television signals. It can carry a signal larger distances than Rg-59.BNC:
BNC stands for Bayonet Neill-Concelman, It is used as a connector on both ends of the coaxial cable.RJ-45:
RJ stands for Radio jack generally used to connect Ethernet devices like IP cameras, computer internet, printers etc.HDD:
Stands for Hard Disk Drive; is a storage device used for storing video and audio coming through video cameras.NTSC:
Stands for National Television System Committee, It is the Analog color television standard. NTSC standards are used by countries like America, Japan, Taiwan Brazil etc.PAL:
Stands for Phase Alternating Line is also an Analog colour television standard. PAL standards are used by countries like Europe, Asia Pacific, India and Argentina etc.MEGAPIXEL:
This means 1 Million pixels; are the resolution measuring tool of the video cameras.POE:
Stands for Power Over Ethernet to allow pass electric power and also along with data on a single twisted pair Ethernet cable.POC:
Stands for Power Over Coaxial is the new technology that allows data and Power on a single coaxial cable. There are some DVRs or devices that support this.PTZ:
Stands for Pan-tilt Zoom cameras have the ability to change direction and zoom control. It is widely used in video surveillance, video conferencing and distance learning.RCA:
RCA is an audio-video connector that usually carries the audio and video signal. It is developed by Radio Corporation of America. This connector is also known as a Phono connector.HTTP:
Hypertext transfer protocol is a set of rules and techniques for transferring files, text, images and other multimedia files through the web. It is an application layer protocol.RTSP:
Stands for Real-Time Streaming Protocol is used to set real-time media streams.TCP and UDP ports used 554 RTSP traffic.
UPnP:
Stands for Universal Plug and Play is a networking protocol that allows the router to forward a specific port of the camera for remote views.H.265:
H.265 also known as High-Efficiency Video Coding (HEVC) is a video compression standard designed for high-resolution video.It supports 8K and Ultra High Definition resolution.
IP:
This stands for Internet Protocol, it is a set of rules that allow how the data is sent from one system to another system. It comes under the Network Layer.IPv4:
Internet Protocol version 4 has a 32-bit IP addressing system. It is divided into 4 sections. Example - 192.168.1.1IPv4 support 4294967296 addresses.
IPv6:
Internet Protocol version 6 uses a 128-bit IP addressing system. Ipv6 comes with 8 groups separated by a column.Example: 2008:ABCF:ZC12:1265:0000:0000:0JK4:8844
IPv6 supports 340,282,366,920,938,463,463,374,607,431,768,211,456 addresses.
FPS:
Frame per second, In CCTV 30fps means the camera records 30 frames in one second of video.VCA:
Stands for Video Content Analysis; VCA refers to the ability of the camera to analyze and determine a specific activity or event and assist the operator and security personnel.After VCA came into existence CCTV industry experienced a boom in growth.
DDNS:
DDNS acronym stands for Dynamic Domain Name System is a method of automatically updating a name server in the domain name system.ONVIF:
An acronym that stands for Open Network Video Interface Forum, ONVIF created a standard for how IP products and video surveillance communicate with each other. Onvif is an organization created in 2008 by Axis Communication, Sony and Bosh Communication.NAT:
Network address translation is a technique to change the IP address or network address of the source and destination with the help of a router, internet and public network. NAT operates in the router generally connecting two networks together and converting private addresses to local addresses.TCP:
Stands for Transmission Control Protocol is a communication protocol that sends data in bytes. TCP is a reliable stream delivery technique that guarantees all bytes are same order and similar to those sent.UDP:
User Datagram Protocol is a communication protocol that is generally used for time-sensitive information such as video streaming and Voice Over IP.FTP:
This stands for File transfer protocol, FTP allows transferring, copying, deleting, and accessing files over the internet through connected IP addresses.PPPoE:
This stands for Point-to-Point Protocol over Ethernet is a network protocol used to manage communication between network endpoints.HDMI:
This stands for High Definition Multimedia Interface; HDMI is the replacement for Analog video standards. It is an audio/video interface for transmitting compressed or uncompressed audio or video from HDMI sources.DHCP:
Stands for dynamic host configuration protocol have the ability to maintain the network and assign automatic IP addresses and another connecting parameter to the client-server architecture.All modern DVRs/NVRs have DHCP and Static IP management.
UTP:
Stands for Unshielded-Twisted-Pair Cable is a type of cable made of copper generally used in telephone and local area networks.
SATA:
SATA stands for Serial Advanced Technology Attachment is a data transport and command protocol that defines how to communicate with DVRs/NVR and mass storage devices.HD-CVI:
HD-CVI stands for High-Definition Composite Video Interface, This technology allow Analog camera to transmit high-quality video signal over coaxial cable.Before this technology, CCTV cameras just transmitted 960*480 pixel resolution over coax.
App supports live monitoring, playback, receiving notification and controlling the PTZ cameras.
DMSS:
DMSS stands for Dahua Mobile Security Surveillance is an app for remote monitoring of Dahua devices like DVR/NVR and IP cameras.App supports live monitoring, playback, receiving notification and controlling the PTZ cameras.
ANPR:
Stands for Automatic Number Plate Recognition.
ANPR is a technology that allows CCTV cameras to read the vehicle number plate and store it on their respective NVR without human intervention.
ANPR is a technology that allows CCTV cameras to read the vehicle number plate and store it on their respective NVR without human intervention.
EXIR:
Exir stands for EXtended InfraRed, technology that improves the CCTV camera visual at night.
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