Router. Switch Repeater Cable is the medium through which information usually moves from one network device to another. It used to connect one network.

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Presentation transcript:

Router

Switch

Repeater

Cable is the medium through which information usually moves from one network device to another. It used to connect one network device to other or to connect two or more computers to share printer, scanner etc.

Different Types of Network Cables Coaxial cable Optical fiber cable Twisted Pair

Unshielded Twisted Pair (UTP) Shielded Twisted Pair (STP)

Shielded Twisted Pair Invulnerable to radio and electrical frequency interference (such as electric motors, fluorescent lights, etc.). Shielded cables can also help to extend the maximum distance of the cables.

Shielded twisted pair cable is available in three different configurations: 1.Each pair of wires is individually shielded with foil. 2.There is a foil or braid shield inside the jacket covering all wires (as a group). 3.There is a shield around each individual pair, as well as around the entire group of wires (referred to as double shield twisted pair).

1.Each pair of wires is individually shielded with foil.

2.There is a foil or braid shield inside the jacket covering all wires (as a group).

3.There is a shield around each individual pair, as well as around the entire group of wires (referred to as double shield twisted pair).

Unshielded Twisted Pair Unshielded twisted pair (UTP) is the most popular and is generally the best option for school networks. The cable has four pairs of wires inside the jacket. Each pair is twisted with a different number of twists per inch to help eliminate interference from adjacent pairs and other electrical devices.

Unshielded Twisted Pair The tighter the twisting, the higher the supported transmission rate. The standard connector for unshielded twisted pair cabling is an RJ-45 connector.

Unshielded Twisted Pair Category Speed Use 1 1 Mbps Voice Only (Telephone Wire) 2 4 Mbps LocalTalk & Telephone (Rarely used) 3 16 Mbps 10BaseT Ethernet 4 20 Mbps Token Ring (Rarely used) Mbps (2 pair) 1000 Mbps (4 pair) 100BaseT Ethernet Gigabit Ethernet 5e 1,000 Mbps Gigabit Ethernet 6 10,000 Mbps Gigabit Ethernet

Coaxial Cable

Coaxial cable has a single copper conductor at its center. A plastic layer provides insulation between the center conductor and a braided metal shield. The metal shield helps to block any outside interference.

Coaxial Cable The center core of fiber cables is made from glass or plastic fibers. A plastic coating then cushions the fiber center, and kevlar fibers help to strengthen the cables and prevent breakage. The outer insulating jacket made of teflon or PVC.

Coaxial Cable Although coaxial cabling is difficult to install, it is highly resistant to signal interference. In addition, it can support greater cable lengths between network devices than twisted pair cable.

The two types of coaxial cable Thin coaxial cable Thick coaxial cable

Thin Coaxial Cable Thin coaxial cable is also referred to as thinnet. 10Base2 refers to the specifications for thin coaxial cable carrying Ethernet signals. The 2 refers to the approximate maximum segment length being 200 meters.

Thick Coaxial Cable Thick coaxial cable is also referred to as thicknet. 10Base5 refers to the specifications for thick coaxial cable carrying Ethernet signals. The 5 refers to the maximum segment length being 500 meters.

Thick Coaxial Cable Thick coaxial cable has an extra protective plastic cover that helps keep moisture away from the center conductor. This makes thick coaxial a great choice when running longer lengths in a linear bus network.

Coaxial Cable Connectors The most common type of connector used with coaxial cables is the Bayone-Neill- Concelman (BNC) connector. Different types of adapters are available for BNC connectors, including a T-connector, barrel connector, and terminator.

Fiber Optic Cable

Fiber optic cabling consists of a center glass core surrounded by several layers of protective materials. It transmits light rather than electronic signals eliminating the problem of electrical interference. It is ideal for certain environments that contain a large amount of electrical interference.

Fiber Optic Cable Fiber optic cable has the ability to transmit signals over much longer distances than coaxial and twisted pair. It also has the capability to carry information at vastly greater speeds. This capacity broadens communication possibilities to include services such as video conferencing and interactive services.

Fiber Optic Cable There are two common types of fiber cables -- Single mode and Multimode. Multimode cable has a larger diameter; however, both cables provide high bandwidth at high speeds. Single mode can provide more distance, but it is more expensive.

Ethernet Cable Summary Specification Cable Type 10BaseTUnshielded Twisted Pair 10Base2Thin Coaxial 10Base5Thick Coaxial 100BaseTUnshielded Twisted Pair 100BaseFXFiber Optic 100BaseBXSingle mode Fiber 100BaseSXMultimode Fiber 1000BaseTUnshielded Twisted Pair 1000BaseFXFiber Optic 1000BaseBXSingle mode Fiber 1000BaseSXMultimode Fiber

Two types of twisted pair cables The ___________ the twisting, the _____________ the supported transmission rate. Three shielded pair configurations. Connector commonly used with coaxial cable. Which is the best Networking cable to be used in LAN connection.