A technician is examining a UTP cable and notices that pins 1, 2, 3, and 6 are not the same on both ends of the cable. Which of the following is the type of cable the technician has?

The correct answer is B. Cross over cable. A crossover cable is defined by the fact that the transmit (Tx) pair on one end - pins 1 and 2 - are swapped to the receive (Rx) pair on the other end - pins 3 and 6. This deliberate reversal allows two like devices (e.g., two computers or two switches) to communicate directly…

Networking

Question

A technician is examining a UTP cable and notices that pins 1, 2, 3, and 6 are not the same on both ends of the cable. Which of the following is the type of cable the technician has?

Options

ACoaxial cable
BCross over cable
CPatch cable
DPlenum cable

How the community answered

(47 responses)

A
2% (1)
B
91% (43)
C
4% (2)
D
2% (1)

Explanation

A crossover cable is defined by the fact that the transmit (Tx) pair on one end - pins 1 and 2 - are swapped to the receive (Rx) pair on the other end - pins 3 and 6. This deliberate reversal allows two like devices (e.g., two computers or two switches) to communicate directly without a hub or switch in between. A straight-through patch cable (C) has the identical pin configuration on both ends. Coaxial (A) and plenum (D) are entirely different cable types - plenum refers to fire-rated jacket material, not a wiring configuration.

Topics

#crossover cable#UTP#cable pinout#ethernet wiring

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