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108 en | Glossary Dinion IP
V 2.5 | 2007.6 Operating Instructions Bosch Security Systems
IP See Internet Protocol
IP address A 4-byte number uniquely defining each device on the Inter-
net. It is usually written in dotted decimal notation with full
stops separating the bytes, for example "209.130.2.193".
ISDN Integrated Services Digital Network
JPEG An encoding process for still images (Joint Photographic
Experts Group)
kBit/s Kilobits per second, the actual data rate
LAN See Local area network
Local area network A communications network serving users within a limited
geographical area, such as a building or a university cam-
pus. It is controlled by a network operating system and
uses a transfer protocol.
MAC Media Access Control
MPEG-4 Further development of MPEG-2, designed for transmission
of audiovisual data at very low transfer rates (for example
via the Internet).
Net mask A mask that explains which part of an IP address is the net-
work address and which part comprises the host address. It
is usually written in dotted decimal notation with full stops
separating the bytes, for example "255.255.255.192".
NTP Network Time Protocol is a standard for synchronizing the
system clocks in computers in packet switching networks.
NTP uses the stateless protocol, UDP. NTP was designed to
provide dependable time synchronization in networks with
variable latency (ping times).
Parameters Values used for configuration
QCIF Quarter CIF, a video format with 176 × 144/120 pixels
RADIUS server RADIUS server Remote Authentication Dial-in User Service
is a client-server protocol for authentication, authorization,
and accounting of users in dial-in connections for computer
networks. RADIUS is the de-facto standard for centralized
authentication of dial-ins for modems, ISDN, VPN, wireless
LAN (see 802.1x), and DSL.
RFC 868 A protocol for synchronizing computer clocks over the Inter-
net