Samsung InfoRanger SCM-140U User Manual page 59

Class b digital device or peripheral
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Appendix C
C-4
Glossary
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.
TCP/IP (Transmission Control Protocol / Internet Protocol)
TCP/IP is one of the network protocols used mainly on LAN. When data is
transmitted via network, data is divided into packets. IP transmits the data
packets from one place to another. And TCP manages the data flow and confirms
the correctness of data packets.
Twisted pair
A twisted pair is a cable made up of a pair of insulated copper wires wrapped
around each other to cancel the effects of electrical noise.
USB
USB (Universal Serial Bus) is a new BUS specification, which is an answer to
connectivity for the PC architecture. It is a fast, bi-directional isochronal, low-cost,
dynamically attachable serial interface that is consistent with the requirements of
the PC platform. It supports up to 127 physical devices, and its transfer rate
assures up to 12Mbps.

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