A crossover cable takes the output of one end of the cable and connects it to the input of the other. If you were using an Ethernet switch or hub, the crossing over would happen within that device.
Another use for the cable would be to connect two hubs together. So this would include Category-5, Category-5E and Category-6 cabling. These cables are available for purchase, but you could also potentially make one yourself.
In order for this setup to work, there are a few things you need to make sure are setup or configured properly. I will try to go through all the different steps in this article. Usually, if you are using a crossover cable to connect two computers, the computers are not connected to a LAN network. In this case, you will need to configure static IP addresses for each computer. You have to make sure that both computers have IP addresses that are on the same subnet.
For example, if you give one computer an IP address of If you used the above IP addresses, you should use a subnet mask of If you use an incorrect subnet mask, the connection will not work. Lastly, the value for the default gateway should be the same on both machines.
You can pick which IP address you want to use, but use it on both computers for the default gateway. Below is how my setup looks for one computer:.
The following scenarios will explain the different applications. If we have two computers connected directly to each other. And both PCs try to transmit on TX wire, their signals will collide.
Moreover, nothing will be sent on RX wire. Therefore, neither computer will be able to receive anything. At this point, the crossover cable is needed to make connections between two PCs.
This is the reason why the crossover cables are often used to connect two same devices. What happens if a switch is mixed between two computers? In fact, switch is designed to communicate in between two computers, which has an innate crossing of the wires.
Therefore, we do not need the cable to cross for us. And vice versa. They are most likely what you will find when you go to your local computer store and buy a patch cable.
Read through this post to find the answer. A pinout is a specific arrangement of wires that dictate how the connector is terminated. The first is the TA wiring standard and the second is TB. TB has surpassed A and is seen as the default wiring scheme for twisted pair structured cabling. If you are unsure of which to use, choose B.
A straight through cable is a type of twisted pair cable that is used in local area networks to connect a computer to a network hub such as a router.
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