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DevKit

Camera installation kit with independent image sensors based on MOBOTIX M12D or M22M,

intended for concealed installation in other devices.

DHCP

Abbreviation for Dynamic Host Conﬁguration Protocol. Allows a server to automatically assign

devices in the network with the appropriate conﬁguration (including the IP address, DNS

server and gateway), as opposed to ﬁxed IP addresses on the individual network devices.

DNS

Abbreviation for Domain Name Service. Allows the domain names of servers on the Internet

(e.g. www.mobotix.com) to be linked ("resolved") to their corresponding IP addresses (e.g.

212.89.150.84).

Dome Camera

Most often refers to cameras with a round and compact design. The lens can be freely

positioned and is protected by a transparent dome-shaped plastic housing.

DSL

Abbreviation for Digital Subscriber Line. Denotes a fast Internet connection capable of provid-

ing bandwidth of up to 16Mbps for a typical household.

DualDome

Dome camera with two lenses and image sensors such as the MOBOTIX D12D. These lenses

can deliver Wide Angle and Telephoto images independently of one another.

DVR

Abbreviation for Digital Video Recorder.

DynDNS

Abbreviation for Dynamic DNS (or DDNS, Dynamic Domain Name Service). Similar to DNS,

this links domain names (e.g. mydomain.com) with IP addresses, whereby the IP addresses

may change at any time. This service provides a convenient method to access your MOBOTIX

cameras from home or work if the camera Internet connection is not through a router that

assigns a ﬁxed IP address, but instead over a DSL connection with a dynamically assigned

IP address from the provider. A well-known provider of this (free) service is www.dyndns.org.

Events

An event refers to a situation when something happens or changes. In terms of video surveillance,

this means a change in the status of an area that is being monitored. This may be movement

of a person, a change in brightness, a drop in ambient temperature, the detection of a noise

via a microphone, an electrical signal at a signal input, the manual operation of a button, etc.

Ethernet

The most common technology for communication within a wired network. It facilitates data

exchange between all all devices (computers, printers, IP cameras, etc.) connected in a local

network (LAN).

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Mobotix D24M-Sec User Manual Page 139