
TracPhone V3-IP User’s Guide
152
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.
Transponder
Component of a satellite that receives radio transmissions from Earth,
amplifies them, and retransmits them back to Earth on a different
frequency.
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.