Digium TDM400P, Руководство пользователя

Страница: 64 / 72

Page 64 Digium, Inc. Release 1.0
Appendix E: Glossary and Acronyms
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.
channel
A generic term for an individual data stream. Service providers can use
multiplexing techniques to transmit multiple channels over a common
medium.
Cat5
Category of Performance for wiring and cabling. Cat 5 cabling support
applications up to 100 MHz.
Cat5E
Category of Performance for wiring and cabling. Category 5 Enhanced
wiring supports signal rates up to 100 MHz but adheres to stricter quality
specifications.
CLEC competitive local exchange carrier
A term for telephone companies established after the
Telecommunications Act of 1996 deregulated the LECs. CLECs compete
with ILECs to offer local service. See also
LEC and ILEC .