Component 9; Unit 2: Network Media and Hardware Communication Devices
Description:
This unit is designed to help the student understand network media, hardware devices, and how to select appropriate items to meet the guidelines for usage.
Objectives:
- Select appropriate network media types (such as Ethernet and Wireless) to facilitate networking and data exchange, taking into account access and regulatory requirements
- Select appropriate hardware devices (such as routers, switches, and access points) to facilitate networking and data exchange, taking into account access and regulatory requirements
Component 9; Unit 2; Lecture 2a comp9_unit2a_lecture_slides
Transmission Terminology: 1) Transmission basics; 2) Network connectivity
Component 9; Unit 2; Lecture 2b comp9_unit2b_lecture_slides
Network Media: 1) Media Types; 2) Standards for Structured Cabling
Component 9; Unit 2; Lecture 2c comp9_unit2c_lecture_slides
Connectivity Devices: 1) Hubs; 2) Switches; 3) Routers; 4) Wireless Access Points; 5) Modems
Suggested Readings
How Digital Television Works. On June 12, 2009 the United States transitioned from analog tv signals to all digital tv signals. Read about the difference between analog and digital tv and why the change was made. http://electronics.howstuffworks.com/dtv.htm
List of device bit rates. This article contains listings of the bandwidth for LANs, WANs, wireless networks and other devices. Bandwidth is important in determining the “pipe” that your data will be able to travel down. The bigger the bandwidth, the bigger the “pipe”. http://en.wikipedia.org/wiki/List_of_device_bandwidths
Cabling. This article includes information about the different types of network media including the categories of twisted pair and media connectors. http://fcit.usf.edu/network/chap4/chap4.htm
GetConnected – Tech Talk – Ethernet Cables and Router Speed. This video presents information about Ethernet cables and router speed. It discusses the type of cabling that you would use in a home or small network. 5 minutes and 50 seconds long. http://www.youtube.com/watch?v=QIibd2Fu3bo
Introduction to Structured Cabling. This paper describes why the structured cabling standard should be followed and what the standard entails. Note: Since this is a 2000 document some of the bandwidth information may be out of date. http://www.dit.gov.bt/sites/default/files/cablingstandard.pdf
Computer Basics: What Is a Computer Router? This video explains what a router does. It includes captions. 2 minutes and 5 seconds long. http://www.youtube.com/watch?v=9LhkW_dkZvU&feature=PlayList&p=8B1DE1B35CA215B2&playnext_from=PL&index=14
How to Make an Ethernet Cat5e/Cat6 Cable. This page shows how to make a twisted pair cable. It shows the tools that are needed to make the cable. It also includes a video showing the process. Video is 7 minutes and 18 seconds long. http://discountlowvoltage.blogspot.com/2009/10/how-to-make-ethernet-cat5e-cable.html