Step by Step Guide to Setup LAN for Internet Cafe and Homes

Terminology:

UTP Cat-5 Cable: (Unshielded Twisted Pair, Category 5 Cable):

It’s a cable available for networking. It consists of 4 pairs of wires in a single coating.

RJ-45 Connectors:

These Connectors are punched at the ends of the cable and are used to connect the cat-5 cable to a switch, a computer or a wall jack

Crimping tool:

A tool used to punch a connector at the ends of the cables

Wall I/O boxes:

These boxes are similar to electricity switch/socket boxes and are used to provide a LAN outlet on a wall

Wall Jacks:

A Similar thing to electricity sockets. They are attached to the I/O box. The patch cord (a LAN cable having RJ-45 connectors on its both ends) is inserted into it from one side and into the computer from the other side

Ducts:

Plastic ducts are used to route the cables across a surrounding.

Cable stripper :

A tool to strip the Cat-5 cable

Broadband router:

A device which contains the functionality of a Broadband CPE^X and a DHCP server.

Switch:

A device used to interconnect different computers

CPE:

Customer premises equipment. E.g. a DSL modem.

DHCP server:

Dynamic Host controller Server. A server which automatically assigns IP addresses to the devices/computers.

Cabling Scheme:

The color combination of the wires of a Cat-5 cable.

862-B standard of ITU-T

A standard which defines the combination of wires in a cat-5 cable for LAN

Straight-Through Cable:

A color combination of wires of a Cat-5 cable used to connect un-like devices e.g. a switch and a computer when connected directly. Color combinations according to ITU-T 862-B are:

a. White orange –> White orange

b. Orange –> Orange

c. Wight green –> Wight green

d. Blue –> Blue

e. Wight blue –> Wight blue

f. Green –> Green

g. White brown –> White brown

h. Brown –> Brown

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