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FAQS

1. What is the advantage of a Monitored system over an Audible only system?

Taking into account the various factors of video imaging and and audible alam being more of a  Coupled with that, current noise regulations state that your burglar alarm can only sound for a maximum of 20 minutes. Monitored systems are never ignored. All activations are acted on by our NSI Gold Alarm Receiving Centre who will call your appointed keyholders and if applicable the Police.

Can you 100% guarantee that your systems will prevent criminal activity on my site?

No. There's not a security system on the market which can provide a 100% guarantee against crime. We do however, believe that Digi are at the forefront of the technical security industry. We design and build some of the strongest bespoke systems on the market resulting in our broad range of customers achieving fantastic results.

What happens once you have fitted our system?

You depend on your security system to provide a safe & secure premises for you, your staff and visitors or family so it makes sense that it is kept in optimum condition and with 24 hour cover you can always count on if it is needed. Digi Security offer fast and effective comprehensive maintenance agreements ensuring maximum competence out of your security system.

What does some of the terminology used mean?

• DDNS: Dynamic DNS is a method, protocol, or network service that provides the capability for a networked device, such as a router or computer system using the Internet Protocol Suite, to notify a domain name server to change, in real time (ad-hoc) the active DNS configuration of its configured hostnames, addresses or other information stored in DNS.

• Dual Stream: Dual stream is a technology used to record high resolution video locally while transmitting a lower resolution stream over the network. The two streams are generated by the DVR, with the main stream having a maximum resolution of 4CIF and the sub-stream having a maximum resolution of CIF.

• DHCP: Dynamic Host Configuration Protocol (DHCP) is a network application protocol used by devices (DHCP clients) to obtain configuration information for operation in an Internet Protocol network.

• DVR: Digital Video Recorder

• H.264: MPEG-4 Part 10, Advanced Video Coding (MPEG-4 AVC) is a video coding format that is currently one of the most commonly used formats for the recording, compression, and distribution of video content.

• HDD: Acronym for Hard Disk Drive. The primary storage medium which stores digitally encoded data on platters with magnetic surfaces. This is where almost all of your system's information will be saved.

• HTTP: Acronym for Hypertext Transfer Protocol. A protocol to transfer hypertext request and information between servers and browsers over a network

• Hybrid DVR: A hybrid DVR is a combination of a DVR and NVR.

• NTP: Acronym for Network Time Protocol. A protocol designed to synchronize the clocks of computers
over a network.

• NTSC: Acronym for National Television System Committee. NTSC is an analog television standard used in such countries as the United States and Japan. Each frame of an NTSC signal contains 525 scan lines at
60Hz.

• NVR: Acronym for Network Video Recorder. An NVR can be a PC-based or embedded system used for centralised management and storage for IP cameras, IP Domes and other DVRs.

• PAL: Acronym for Phase Alternating Line. PAL is also another video standard used in broadcast televisions systems in large parts of the world. PAL signal contains 625 scan lines at 50Hz.

• PPPoE: Point-to-Point Protocol over Ethernet, is a network protocol for encapsulating Point-to-Point Protocol (PPP) frames inside Ethernet frames. It is used mainly with ADSL services where individual users connect to the ADSL transceiver (modem) over Ethernet and in plain Metro Ethernet networks.

•POE: Power along with data Over an Ethernet cable

• PTZ: Acronym for Pan, Tilt, Zoom. PTZ cameras are motor driven systems that allow the camera to pan left and right, tilt up and down and zoom in and out.

• USB: Acronym for Universal Serial Bus. USB is a plug-and-play serial bus standard to interface devices to a host computer.

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