Installation guide

IPDP - installation and operating instructions
5
1.2 Used terminology
 Ethernet is a family of frame-based computer networking technologies for local area
networks (LANs)
 LAN - a local area network (LAN) is a computer network covering a small physical
area, like a home, office, or small groups of buildings, such as a school, or an airport
 10Base-T – 10 Mbit/s, it uses 8 position modular connectors, usually called RJ45 in
the context of Ethernet over twisted pair. The cables usually used are four-pair
twisted pair cable (though 10BASE-T and 100BASE-TX only actually require two of
the pairs). Each of the standards support both full-duplex and half-duplex
communication. According to the standards, they all operate over distances of up to
100 meters
 100Base-TX – so called Fast Ethernet, two pairs of UTP or STP cable, category 5
 Twisted pair cabling is a type of wiring in which two conductors (the forward and
return conductors of a single circuit) are twisted together for the purposes of
canceling out electromagnetic interference (EMI) from external sources; for instance,
electromagnetic radiation from unshielded twisted pair (UTP) cables, and crosstalk
between neighboring pairs
 UTP, Unshielded Twisted Pair
 STP, Shielded Twisted Pair – the cabling includes metal shielding over each
individual pair of copper wires. This type of shielding protects cable from external
EMI (electromagnetic interferences)
 WEB - World Wide Web (WWW, or web) – a world-wide application of HTTP
internet protocol
 HTTP (Hypertext Transfer Protocol) is an internet protocol used originally for
exchanging hypertext documents in HTML format
 USB (Universal Serial Bus) – modern way of connecting external devices to the
computer
 Video codek („coder and decoder“) - compression H.263 is derived from MPEG-4,
H.264 is a coder for MPEG-4 AVC format. MPEG-4 is a type of video compression –
decreasing of data stream video sequence
 JPEG is a standard method of loss compression used for saving digital images
 Voice over Internet Protocol (VoIP) is a technology enabling transmission of
digitalized voice inside the packej of protocols family UDP/TCP/IP via komputer
network. I tis used for making phone calls via Internet, Intranet or any other kind of
data connection
 TCP/IP contains a set of protocols for communication in the computer network and it
is the main protocol of Internet
 IP address is a number, which clearly identifies a network interface in the computer
network, which uses IP protocol
 DHCP (Dynamic Host Configuration Protocol) is an application protocol from the
family of TCP/IP. It is used for automatic assigning of IP addresses to individual
personal computers in the PC networks, thus simplyfing their administration
 Internet is a word-wide system of mutually connected computer networks
 Intranet is a computer network similar to Internet, but it is a private one. That means
it is just used for small user groups (e.g. employees of a company)
 PoE (Power over Ethernet) is powering via data network cable, with no need of
bringing the power supply via a separate cable
 NTP (Network Time Protocol) is a protocol for synchronization of internal computer
clock