Digium, Inc.
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Appendix C Glossary and Acronyms
bit
The smallest element of information in a digital system. A bit can be
either a zero or a one.
bps
bits per second
A measurement of transmission speed across a data connection.
BRI
Basic Rate ISDN
broadband
Broadband transmission shares the bandwidth of a particular medium
(copper or fiber optic) to integrate multiple signals. The channels take up
different frequencies on the cable, integrating voice, data, and video over
one line.
Cat5
Twisted pair cable for carrying signals for 10/100 Ethernet, telephony,
and video. Cat5 was superseded by Cat5e.
Cat5E
Twisted pair cable for carrying signals for Gigabit Ethernet, telephony,
and video.
channel
A generic term for an individual data stream. Service providers can use
multiplexing techniques to transmit multiple channels over a common
