Glossary - Resol VBus/LAN Manuel

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Glossary

DHCP
Dynamic Host Configuration Protocol, short: DHCP, de-
scribes an Internet protocol that controls the automatic
retrieval of IP addresses and other data in a network.
IP address
IP stands for Internet Protocol, the network standard on
which the Internet and most local area networks are based.
Each device inside the network is assigned with an IP ad-
dress by means of which it can unmistakably be identified.
An IP address according to the current IPv4 standard con-
sists of 32 Bits, equalling a 32-digit binary number. To make
them more clear, IPv4 addresses are commonly represent-
ed as 4 decimal numbers between 0 and 255, seperated by
period marks, e. g. 130.094.122.195.
LAN
A Local Area Network, short: LAN, is a delimited network
of computers and other devices (e. g. printer, router or our
own VBus / LAN interface adapter). A Local Area Network
®
is not limited to a certain size or diversity.
MTU
MTU stands for „Maximum Transmission Unit", which is
the maximum content size that can be transmitted in a
data packet of a certain protocol. The MTU is equal to the
maximum packet size minus the data volume used by the
packet itself.
Compared to a letter, that means: The maximum weight is
20 g, the envelope and the stamp weigh 3 g in total. Thus,
the MTU for this letter is 17 g.
RJ45
RJ-connectors are standardised telecommunication ca-
ble connectors. The RJ-standard has been established by
the US-american Federal Communications Commission
(FCC), the letters RJ stand for Registered Jack.
The commonly used LAN connectors are called RJ45-
connectors. Other commonly used names are „ISDN plug"
for unscreened and „ethernet plug" for screened connec-
tors of this kind.
UPnP
Universal Plug and Play, short: UPnP, denotes a standard
for cross-brand access to devices in an IP-based network.
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