TracPhone V7 User’s Guide
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Appendix C - Glossary
TCP/IP
Transmission Control Protocol/Internet Protocol. Two
communications protocols for the Internet. IP handles the delivery of
data packets over the Internet; TCP ensures that all data packets are
successfully delivered and assembled in the proper order.
Twisted Pair
Cable type consisting of multiple pairs of cable in which two wires are
spiraled together to reduce electromagnetic noise. Can be either
shielded (STP) or unshielded (UTP). Used extensively in LANs and
telephone networks.
Tx
Transmit.
URL
Uniform Resource Locator. Address of a web page or file on the World
Wide Web. Consists of three parts: (1) protocol (such as “http”), (2) IP
address or domain name (such as “www.kvh.com”), and (3) name of
the web page or file to be retrieved from that address (such as
“index.html”).
USB
Universal Serial Bus. Bus standard for connecting peripheral devices
to a computer. Supports a data rate of 12 Mbps.
UTP
Unshielded Twisted Pair. Cable consisting of four twisted pairs (8
wires), usually terminated by RJ45 connectors. Commonly used in
LANs.
VoIP
Voice over Internet Protocol. Allows telephone conversations to be
routed via the Internet.
VSAT
Very Small Aperture (< 3m) Terminal. Communications system in
which multiple users connect via satellite to a single land-based hub,
which handles the routing of all network traffic.
