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Network Cables By Brandon O. Types of Cables Twisted-Pair Unshielded twisted-pair (UTP) Shielded twisted-pair (STP) Fiber-Optic Cable.

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Presentation on theme: "Network Cables By Brandon O. Types of Cables Twisted-Pair Unshielded twisted-pair (UTP) Shielded twisted-pair (STP) Fiber-Optic Cable."— Presentation transcript:

1 Network Cables By Brandon O

2 Types of Cables Twisted-Pair Unshielded twisted-pair (UTP) Shielded twisted-pair (STP) Fiber-Optic Cable

3 Twisted-Pair 2 insulated copper wires Twisted around each other Reduces crosstalk, EM, and RFI

4 UTP (Unshielded twisted-pair) Two-Four pairs of wires Cancellation effect Reduces EM and RFI interference

5 UTP categories Categories are based on – Number of wires in the cable – Number of twists in those wires Category 3 – used in telephone systems – Four wire pairs – 10 Mbps Category 5 or 5e – Four wire pairs – 100 Mbps – 5e has extra twists Category 6 – Plastic dividers to separate wires – More twists than 5e

6 Shielded twisted-pair (STP) Each pair is wrapped in a metallic foil All wires are then put in a metallic braid or foil

7 Coaxial Cable Copper-cored cable Has heavy shielding Used to connect to networks

8 Types of Coaxial Cables Thicknet or 10BASE5 – used in networks – 10 Mbps speed – maximum length of 500 m ( ft). Thinnet 10BASE2 – used in networks – 10 Mbps – maximum length of 185 m (607 ft). RG-59 – Most commonly used for cable television in the U.S. RG-6 – Higher quality cable than RG-59, with more bandwidth and less susceptibility to interference.

9 Fiber-Optic Cable Made of Glass or plastic Transmits information using light Is not effected by EM or RFI

10 Types of Fiber-Optic Cables Multimode – thicker core – easier to make – can use simpler light sources (LEDs) – works well over distances of a few kilometers or less Single-mode – very thin core – harder to make – uses lasers as a light source – transmit signals dozens of kilometers with ease

11 Sites svg svg wart/IL/speed/Cableinfo.html wart/IL/speed/Cableinfo.html al-fiber al-fiber Cisco.netacad.net online A+ book


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