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In order for two devices to communicate the transmit signal wire must be connected to the receive wire. A crossover cable accomplishes this. With a straight through cable you would have a transmit signal connected to a transmit signal, which is similar to two people talking at once (and no one listening).
In a network scenario a straight through cable would cause constant collisions.
What else can I help you with?
How to make Direct network connection?
For a direct network connection between two devices you need a cross-over cable.
Can a cross over cable be used to connect two unlike network devices such as a PC and a hub?
In general, no, you would not use a cross-over cable to connect a hub/switch/router to a PC. This is because the device itself has cross-over circuitry built into it, and if you used a cross-over cable you would be reversing that process. The net effect is that the transmit signal would connect to another transmit signal, when it should be connected to a receive signal.
How do you know that your crossover cable is good?
You can use an ohmmeter to test the continuity of all wires. Alternately, you can put it in place of a known working cross-over cable and see if the network connection still functions. Remember that many modern network devices detect whether the cable is straight or cross-over, so perhaps you don't even need a cross-over.
Can two PC being connected to each other?
Yes, by using a cross-over cable.
How does cross over cable look?
There are several types of cross-over cables. The basic idea is to connect two devices that are alike - for example, connection a router to another router. both of these devices use the same wires in a cable (ex. a CAT6 cable) to send and receive data. so, in order for them to communicate you have to cross the wires so that the send wire on one side goes to the receive pin on the other. To summarize, all you do is switch the appropriate send and receive wires in a cable.
Does it matter if the cable wires cross over?
No, it does not matter if the cable wires cross over. It should not cause any problems if they cross over. However, there are several products that allow them to cross over to add on benefits.
When to use crossover and straight through?
when you are connecting same devices like computer to computer or switch to switch or router to router to use cross over cable. when you are connecting different devices like computer to switch or computer to router to use straight cable.
What type of monitor cable was connected to the laptop?
Ethernet cross-over cable
What kind of cable is needed to connect a switch to a switch?
cross over cable
What is the type of network called that connects two computers directly together using a cross-over network cable?
If both PCs have ethernet cards, the best cable to use would be a crossover cable. A crossover cable is almost the same thing as a regular ethernet cable, except the wires inside the connector are reversed on one end. This reversing of the wires allows you to connect a crossover cable between two PCs without any other network equipment like a switch or a hub.
What is the use of a straight through and cross over patch cord?
Cross over cables are used to connect devices in the same group. For Ex.. Routers,PC,Printer belongs to same group. To connect a Printer and PC, We use cross over cable. Straight through cables are used to connect devices in the different group. For Ex... Switches, Hub, Bridge are in same group. To connect a PC and a Switch, We use straigh through cable since PC and switch belongs to different group.
What cable will use for connecting switch to switch?
Most switches and routers these days allow for a standard straight through cable to connect each other. (So any CAT 5e or 6 cable you find at Best Buy will be fine) Older devices (Such as a Cisco 2900xl switch) require a cross over cable to connect like devices such as a switch to switch. These cables can also be found at Best Buy and will be clearly labeled "Cross Over". There are two different standards of straight through cables if making your own. See the related link. To make a cross over cable, wire one end with the A standard and the other with the B standard.
