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Q: In a cable the usual wire positions are exactly reversed in one of the two RJ-45 terminations?
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What cable wiring positions are exactly reversed in one of the two rj -45 terminations?

rollover cables


How can one identify a cross-over cable?

Match up the two ends of the cable. Look closely at the color coding of the pins at both RJ-45 connectors. If the same colors are used in the same pin positions then the cable is a straight-through cable. If they are reversed at both ends then it is a cross-over cable.Sometimes the cable will be marked that way on the outside covering of the cable. Look for the words "cross-over cable".


What is a cable that transmits and receive wire pairs in one of the connectors are reversed?

A crossover cable reverses the signals at ends of the cable.


What is the single most important reason to pay attention to faulty terminations and excessive horizontal wiring spans?

Proper cable termination is a basic requirement for two nodes on a network to communicate. Poor terminations can lead to loss or noise-and consequently, errors-in a signal. TIA/EIA has specified two different methods of inserting twisted pair wires into RJ-45 plugs: TIA/EIA 568A and TIA/EIA 568B. Crossover cable-A twisted pair patch cable in which the termination locations of the transmit and receive wires on one end of the cable are reversed. Straight-through cable - A twisted pair patches cable in which the wire terminations in both connectors follow the same scheme. Proper cable termination is a basic requirement for two nodes on a network to communicate. Poor terminations can lead to loss or noise-and consequently, errors-in a signal. TIA/EIA has specified two different methods of inserting twisted pair wires into RJ-45 plugs: TIA/EIA 568A and TIA/EIA 568B. Crossover cable-A twisted pair patch cable in which the termination locations of the transmit and receive wires on one end of the cable are reversed. When installing horizontal cable, it is important to avoid any sources of Electromagnetic interference (EMI), such as elevator motors, portable Heaters, electrical wiring, air conditioning, metal beams, and walls. Horizontal cable may be run under carpets, along ceiling tiles, over beams, frames, through wiring trays, through firewalls. Cable lengths should be tested after installation and before equipment is attached. The best practice for installing cable is to follow the TIA/EIA 568 specifications and the manufacturer's recommendations. Be careful not to exceed a cable's bend radius, untwist wire pairs more than one-half inch, or remove more than one inch of insulation from copper wire. Install plenum-rated cable in ceilings and floors, and run cabling away from where it might suffer physical damage. If you follow both the manufacturers' installation guidelines and the TIA/EIA standards, you are almost guaranteed success. Many network problems can be traced to poor cable installation techniques.


When looking at a network cable is not labeled describe how you can tell if the cable is a straight through cable or a crossover cable?

straight through is same pin out both ends. crossover has transmit and receive lines reversed


When looking at a network cable that is not labeled describe how you can tell if the cable is a straight-through cable or a crossover cable.?

straight through is same pin out both ends. crossover has transmit and receive lines reversed


When looking at a network cable that is not labeled describe how you can tell if the cable is a straight through cable or a crossover cable?

straight through is same pin out both ends. crossover has transmit and receive lines reversed


How do you change the speedometer cable on a 1990 Toyota truck?

To change the speedometer cable on a 1990 Toyota truck, disconnect the cable, feeding it through the grommet, then disconnect it from the transmission. The process can then be reversed with the new cable.


How many drives can a single SATA cable support?

Each cable is designed to support exactly one drive.


Why does my Onn 20 lcd tv green light stays on. but i have no picture no sound?

did you check to make shore that the signal impute cable is properly installed ? also check the audio cable you may have them reversed.


Why LED of FDD is Continuously glow?

This is a question from the A+ test!!!!!! The answer is that the cable is reversed at one end. The cable must be plugged in correctly at both the ends. The red wire on the cable shows the pin 1 end of the connector and must be plugged in correctly on the MB and the drive.


What is the different between cross over and normal patch cable?

In a normal patch cable the wires are the same on both ends. In a cross over cable the transmit and receive pairs are reversed so that the wire in position 1 goes to 3, and 2 goes to 6.