Samsung InfoRanger SCM 110R User Manual page 40

LAN (Local Area Network)
A LAN is a network used for relatively small area (single-story or small
building) as an Ethernet and token-ring network. LAN makes it possible for
users to send/receive e-mail and share resources such as files, printers and
modems. The bigger companies connect their own LAN with the Internet to
allow users to connect with resources outside the LAN.
NIC (Network Interface Card)
A NIC is a hardware device that translates electronic signals between a
computing device's native network hardware and the transmission media.
MAC (Media Access Control) address
A MAC address is the physical address of a devices connected to a network
such as network interface card. MAC address is expressed by 6byte colon-
separated hexadecimal numbers.
OSI 7-Layer model
OSI 7-Lay model is a method of describing the relationships between network
protocols by grouping them according to the communication functions the
protocols provide. The OSI model defines 7 distinct categories (Layers) that
act successively on data as it makes its way between the user and the
transmission media.
Protocol
A protocol is, in networking, a specification of the data structures and algorithm
necessary to accomplish a particular network function.
RJ-45
A RJ-45 is a connector used with Ethernet and Token Ring devices that looks
like a telephone jack but has eight wires instead of four or six.
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