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I only want to know the meaning of the different colours of cables that are used in crossover cables?

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The standard colours for CAT5(e) or CAT6 ethernet cable are:

green, green stripe
blue, blue stripe
orange, orang stripe
brown, brown stripe

the typical setup for an ethernet connection in an RJ45 (the crystal end with the connection tab towards you) is

1 green stripe I only want to know - gclosen.jpg
2 green
3 orange stripe
4 blue
5 blue stripe
6 orange
7 brown stripe
8 brown

Wires 1 & 2 are used to transmit data from the PC to the router/modem (TX) and wires 3 & 6 are used to recieve information from the modem/router (RX). in this fasion, information flows along one pair or another and is expected to arrive at that pinout. the router/hub/modem takes care of the transition to the next cable or out to the internet.

In a crossover cable ONE end is configured as above, but the colours for wires 1, 2, 3, and 6 are exchanged so that when no hardware is between the two PCs/components the signal is transmited at wire 1 & 2 and recieved on pins 3 & 6 on the other system/component. the other colours are placed for backward compatibilitiy and other applications, such as power over ethernet.



following the standard above allows anybody familiar with RJ45 connections repair a connection with a standard colour code and pattern without having to see the other end. If you know you need to replace one end of a patch cable, you use the standard termination.




gclosen_0.jpg

Posted on Jan 03, 2011

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I want to network two pc with windows xp using crossover cable,, how do i do it step by step pls.


Connect two computers using a crossover cable
If you need to connect two computers but you don't have access to a network and can't set up an ad hoc network, you can use an Ethernet crossover cable to create a direct cable connection.
Generally speaking, a crossover cable is constructed by reversing ("crossing over") the order of the wires inside so that it can connect two computers directly. A crossover cable looks almost exactly like a regular Ethernet cable (a "straight-through" cable), so make sure you have a crossover cable before following these steps.
Before buying a crossover cable, check your network adapter. Some newer network adapters automatically "cross over" when they detect that they are connected directly to another network adapter using a regular Ethernet cable.
To connect two computers with a crossover cable
This works best if both computers are running this version of Windows.
Plug each end of the crossover cable into a network port on the back of each computer.
On one of the computers that is running this version of Windows, do the following:
Open Network and Sharing Center by clicking the Start button , clicking Control Panel, clicking Network and Internet, and then clicking Network and Sharing Center.
In the network map at the top of Network and Sharing Center, double-click the Unidentified network? icon. (If you have more than one network, this icon will be labeled Multiple networks.)
If network discovery and file sharing are turned off, in Network, click the Information bar containing the following message: "Network discovery and file sharing are turned off. Network computers and devices are not visible. Click to change...," and then click Turn on network discovery and file sharing. If you are prompted for an administrator password or confirmation, type the password or provide confirmation.
In the Network discovery and file sharing dialog box, select one of the following options:
No, make the network that I am connected to a private network
Yes, turn on network discovery and file sharing for all public networks
The first option is usually the best choice because it only affects the network that you are connected to.
Notes
Networks created with crossover cables are automatically set up as "Public place" networks, which means that network discovery, file sharing, and printer sharing are off by default.
For Gigabit Ethernet or token ring networks, you will need a slightly different kind of crossover cable. For more information, contact a cable manufacturer.
Icons for both computers should now be visible in the Network window. Double-click each computer icon to share printers and other resources.
Note
If one of the computers is running Windows XP, it can take some time for that computer to appear in the Network window. You might need to move both computers to the same workgroup. You can do that by changing the workgroup on either computer. To change a workgroup, see Join or create a workgroup. You might also need to turn on file and printer sharing on the computer running Windows XP.
Hope this help!

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http://goo.gl/tRvLI

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Make sure your not using a crossover through cable. Also make sure your not connecting the cable into the internet port, which is usually the first or last port.
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  • A crossover cable has different ends.
  • A straight-thru is used as a patch cord in Ethernet connections.
  • A crossover is used to connect two Ethernet devices without a hub or for connecting two hubs.
  • A crossover has one end with the Orange set of wires switched with the Green set.

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Hello,
Ethernet cables can come in all colours (very unhelpfully). The cable you need has RJ45 connectors at either end, which are clear.

It goes by many names: you are looking for Cat5e or Cat6, ‘straight’ or ‘patch’ cable, which is used to connect, say, a computer to a router. Do NOT use ‘crossover’ cable.

Netgear has some info here (a little out of date but OK:)

http://kbserver.netgear.com/kb_web_files/n101561.asp

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