Coaxial Cable - Definition and Uses for Communication by Kundan Upadhyaya
Coaxial cable is defined as two concentric wires, cylindrical in shape, separated by a dielectric of some type. One wire is the center conductor and the other is the outer conductor. A protective jacket covers these conductors. The protective jacket is then covered by an outer protective armor. ... 50 ohms cable is used in radio transmitter antenna connections, many measurement devices and in data communications (Ethernet). ... Coaxial cabling is the primary type of cabling used by the cable television industry and is also widely used for computer networks such as Ethernet.

Network Cabling: Available Options by Joshua Feinberg
As their IT consultant, your small business prospects and clients will need you to explain the different network cabling options available to them. Traditional Wired Ethernet (Category 5) Until very recently, Category 5 data cabling was the de facto standard for both enterprise and small... The Ethernet Hub and Network Card To string together a traditional wired Ethernet network based on Category 5 network cabling, your clients will simply need to purchase a 10/100Mbps Ethernet hub or switch, and a 10/100Mbps network card for each PC.

Wireless Access Points: Power over Ethernet by Eric Meyer
PoE gives you the freedom of installing wireless access points anywhere a ethernet cable will go. Before power over Ethernet was available a wireless access point always had to be near a power outlet to give it power. This meant more money and usually bad placement. ... Gigabit Ethernet uses all the wires in an Ethernet cable thus PoE is not available for Gigabit Ethernet. ... PoE uses the two unused wireless in a Ethernet cable to run the power. ... If you are using a Fat access point which is located near a common power outlet or easily in reach of employees all it takes is a paper clip...

Cisco CCNA Certification: An Illustrated Guide To Ethernet CSMA/CD by Chris Bryant
When you're studying for your CCNA exams, you're going to study the theory of technologies we basically take for granted in networking. CSMA/CD is one of those technologies. It works beautifully and you don't even have to configure it. But to be an effective network troubleshooter (and to pass... The sole physical components were the Ethernet cards in the computers and coaxial cable. ... If a collision is heard, both of the senders will send a jam signal over the Ethernet. ... This jam signal indicates to all other devices on the Ethernet segment that there has been a collision, and they...

Understanding Your PC Cables And Connection Types by Rich Fuller
The beginning A classification for networks: 1. Peer-to-peer networks; 2. Server-based networks. At least two computers form a peer-to-peer network. In a peer-to-peer network there are no dedicated servers, and the there is no hierarchy between computers – all the computers are equal. ... There are two types of twisted cables: • Unshielded Twisted Pair - UTP (unshielded twisted cable) • Shielded Twisted Pair - STP (shielded twisted cable) The UTP cable is cheaper than STP cable, which has a protective shield that protects the transmitted data by eventually interferences.

Networking Terms: Educating the Client by Joshua Feinberg
It is very important to educate your small business prospects and clients on key small business networking terms and buzzwords. After all, in order to "win them over," you need to be speaking the same language. In fact, you may even want to prepare a "cheat sheet", based on the below... • 802.11b – most mature of the widely available wireless Ethernet standards that allows for data networking transmission at up to 11Mbps; ; also commonly referred to as a “WiFi”; operates in the 2.4Ghz range • 802.11g – newest in-progress wireless Ethernet standard that promises to allow for data...

Home Networking - Where to Begin and Different Approaches by Lewis Gunter
Wired This is the grandfather of networking, the bread and butter combo, the standard. Setting up a wired network is not very difficult, can be done inexpensively, and doesn’t require much prior networking experience. What you’ll need For internet sharing, you will need a Cable/DSL router. ... If you have a cable router, plug the router into your DSL/Cable source. ... You will need short runs of Ethernet cabling (Cat5) for each room. ... Wireless Wireless networking is becoming more and more commonplaces in homes that need to link together multiple PCs or share an internet...

Cabling Your Home for Computer Network - Still a Requirement? by Dmitriy Abaimov
With proliferation of wireless networking and communication equipment it is oh-so-tempting to cut the cord and save a significant sum of money in the process. But is everything that a regular computer networking user needs can be done using just wireless network? ... The standard outlines recommended types of the cables, principals of cable distribution in a single- and multi-dwelling units as well as recommended amount of cables to be installed based on the size of the house. ... Therefore it is best to have it connected via a cable that can deliver both power and the communication signal...

Cisco CCNA Certification: How And Why Switches Trunk by Chris Bryant
Your CCNA studies are going to include quite a bit of information about switches, and for good reason. if you don't understand basic switching theory, you can't configure and troubleshoot Cisco switches, either on the CCNA exam or in the real world. That goes double for trunking! ... As you know, there are eight wires inside an ethernet cable. ... In a crossover cable, four of the cables "cross over" from one pin to another. ... For many newer Cisco switches, all you need to do to create a trunk is connect the switches with a crossover cable.

Home Wireless Networks by Elizabeth Morgan
A home wireless network can be set up using wireless local area network (WLAN) devices. A wireless LAN has a wireless interface that enables wireless communication amongst the computers and peripheral devices that are a part of the LAN. A wireless LAN has limited range and is designed to be used... The IEEE-802.11 (Wi-Fi) standard supports 1 Mbps data rate and several choices of physical medium such as spread spectrum and infrared. ... Though a wireless router contains a built in access point, one may have to use a wireless access point if an existing Ethernet home network is extended.