Mobotix Q24M User Manual page 156

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Q24M Camera Manual: MOBOTIX Glossary
Quad Display
Layout in which the images from four cameras are displayed in one window.
Resolution
Indicates the number of pixels used to produce an image. The more pixels an image has,
the greater the detail when the image is enlarged. The resolution is expressed as either the
number of pixel columns times pixel rows, or as a total number of pixels. A VGA image has
640 columns and 480 rows (640 x 480 pixels), which equals 307,200 pixels, or approximately
0.3 megapixels.
Ring Buffer
Type of storage where the newest items overwrite the oldest ones if the assigned disk space
is full. Commonly used by MOBOTIX cameras to store audio/video recordings.
RoHS
Abbreviation of Restriction of Hazardous Substances Directive . Refers to EC Directive 2002/95/
EC, which prohibits the use of certain hazardous substances when manufacturing products
and components. The goal of this directive is to prevent these substances from harming the
environment when the products are recycled after their useful life.
Router
Network device that connects multiple networks with one another. The router not only cre-
ates the physical connection between the devices in different networks (like a »Switch ), it
also analyzes the relevant data packets and forwards ("routes") these packets to the correct
target network (e.g. the Internet).
SD Card / microSD card
Also called SD Memory Card (abbreviation of Secure Digital Memory Card ). A digital storage
medium based on flash storage modules such as USB sticks.
Sequencer
Feature that automatically switches the camera displayed in the main window after a specific
time delay.
SIP
Abbreviation of Session Initiation Protocol . Network protocol for setting up, controlling and
terminating a communication connection via a computer network. SIP is frequently used by
»IP Phones and »Softphones , but more recently also for »Video SIP .
Signal Input/Signal Output
Used for coupling a device that triggers alarms (e.g., a fire alarm system or a network cam-
era) to a control center or another type of transmitter (e.g., an IP phone or other IP device).
Snap Server
»NAS system manufactured by Overland Storage (www.overlandstorage.com). MOBOTIX
MxControlCenter automatically finds all Snap Servers in a »Physical Network .
Snapshot
Photograph of a situation created spontaneously and directly with a mouse click or other
such event directed by the user.
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