C05.Telecommunications

C05.Telecommunications - Telecommunicatio...

Info iconThis preview shows pages 1–8. Sign up to view the full content.

View Full Document Right Arrow Icon
Telecommunications refers to the electronic transmission and reception of signals for voice and data communications. Telecommunicatio Infrastructure Cellular Network Concepts > Telecommunications In this section: Wireless Data Communications Computer Network
Background image of page 1

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
In telecommunications, infrastructure refers to the hardware, software, and protocols that support telecommunications. Telecommunicatio ns Infrastructure Concepts > Telecommunications > Telecommunications Infrastructure Telecommunications Signals Telecommunications Media Radio Spectrum In this section:
Background image of page 2
Telecommunications signals are analog or digital electronic transmissions for the purpose of communication. Telecommunications Broadband media are those advertised by Internet service providers as “high-speed.” In everyday use, the terms broadband and high-speed Internet refer to a connection that is always on or active, such as cable and DSL. Concepts > Telecommunications > Telecommunications Infrastructure > Telecommunications Signals
Background image of page 3

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Telecommunications Media Telecommunications media include anything that carries a signal and creates an interface between a sending device and a receiving device. Concepts > Telecommunications >Telecommunications Infrastructure > Twisted pair copper cable consists of pairs of twisted wires covered with an insulating layer. A coaxial cable consists of an inner conductor wire surrounded by insulation, a conductive shield, and a cover. In contrast, fiber-optic cable , which consists of thousands of extremely thin strands of glass or plastic bound together in a sheathing (a jacket), transmits signals with light beams.
Background image of page 4
Radio Spectrum Radio spectrum , part of the electromagnetic spectrum, refers to all of the frequencies available for radio waves from about 10 KHz to 300 GHz and their assigned uses. Concepts > Telecommunications > Telecommunications Infrastructure > Radio Spectrum
Background image of page 5

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Telecommunications Devices Telecommunications devices include the wide variety of computer hardware designed to support telecommunications activities for individuals and businesses. Concepts > Telecommunications > Telecommunications Infrastructure > Telecommunications Devices Network device Hub Switch Repeater Bridge Gateway Router Wireless access point Firewall
Background image of page 6
Telecommunications software is software based on telecommunications protocols used to control, monitor, and troubleshoot data traveling over a telecommunications network. Concepts > Telecommunications > Telecommunications Infrastructure >
Background image of page 7

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Image of page 8
This is the end of the preview. Sign up to access the rest of the document.

This note was uploaded on 09/27/2011 for the course BCIS 1301 taught by Professor Connor during the Spring '11 term at Lone Star College System.

Page1 / 25

C05.Telecommunications - Telecommunicatio...

This preview shows document pages 1 - 8. Sign up to view the full document.

View Full Document Right Arrow Icon
Ask a homework question - tutors are online