Glossary - Teltonika RUT240 User Manual

This device complies with the relevaot RF radiatoo exposure limit set forth for ao uocootrolled eoviroomeot. This
device must be iostalled aod operated with the mioimum distaoce 20cm betweeo the radiator aod your body. This
device must be oot co-located or operatog io coojuoctoo with aoy other aoteooa or traosmiter.
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Glossary

WAN – Wide Area Network is a telecommuoicatoo oetwork that covers a broad area (i.e.n aoy oetwork that lioks
across metropolitaon regiooaln or oatooal bouodaries). Here we use the term WAN to meao the exteroal oetwork that
the router uses to reach the ioteroet.
LAN – A local area oetwork (LAN) is a computer oetwork that iotercoooects computers io a limited area such as a
homen schooln computer laboratoryn or oafce buildiog.
DHCP – The Dyoamic Host Coofguratoo Protocol (DHCP) is a oetwork coofguratoo protocol for hosts oo Ioteroet
Protocol (IP) oetworks. Computers that are coooected to IP oetworks must be coofgured before they cao commuoicate
with other hosts. The most esseotal ioformatoo oeeded is ao IP addressn aod a default route aod routog prefx. DHCP
elimioates the maoual task by a oetwork admioistrator. It also provides a ceotral database of devices that are coooected
to the oetwork aod elimioates duplicate resource assigomeots.
ETHERNET CABLE – Refers to the CAT5 UTP cable with ao RJ-45 coooector.
AP – Access poiot. Ao access poiot is aoy device that provides wireless coooectvity for wireless clieots. Io this
casen wheo you eoable Wi-Fi oo your routern your router becomes ao access poiot.
DNS – Domaio Name System. A server that traoslates oames such as to their respectve IPs. Io order for your
computer or router to commuoicate with some exteroal server it oeeds to koow it's IPn its oame "" just woo't do. There
are special servers set io place that perform this specifc task of resolviog oames ioto IPsn called Domaio Name servers. If
you have oo DNS specifed you cao stll browse the webn provided that you koow the IP of the website you are tryiog to
reach.
ARP – Short for Adress Resolutoo Protocol a used to coovert ao ioto a physical address (called a )n such as ao
address.
PPPoE – Poiot-to-Poiot Protocol over Etheroet. PPPoE is a specifcatoo for coooectog the users oo ao Etheroet to
the ioteroet through a commoo broadbaod mediumn such as DSL lioen wireless device or cable modem.
DSL – digital subscriber lioe - it is a family of techoologies that provide ioteroet access by traosmittiog digital data
usiog a local telephooe oetwork which uses the public switched telephooe oetwork.
NAT – oetwork address traoslatoo – ao ioteroet staodard that eoables a local-area oetwork (LAN) to use ooe set
of IP addresses for ioteroet traafc aod a secood set of addresses for exteroal traafc.
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