What is indicated by green LEDs on both the Progressive Electronics 468T and 468R when they are sequencing out of order?

Prepare for the NCTI Troubleshooting Advanced Services Test. Dive into multiple-choice questions, with hints and detailed explanations. Confidently master your exam!

The presence of green LEDs on both the Progressive Electronics 468T and 468R when they are sequencing out of order indicates a transposed-pair test result. Specifically, transposed pairs occur when the wiring of the cable has pairs of wires swapped, which can lead to issues such as cross-talk and diminished signal integrity.

In this scenario, the fact that both devices are showing green LEDs means that they are recognizing the wire pairs, but the sequence indicates that the pairs are not in the expected order. This is a classic sign of wiring errors, and it signifies that while there is connectivity, the specific arrangement of the pairs doesn't align with the standards. Hence, the conclusion that the issue relates to transposed pairs is correct.

When assessing the other options, the idea that the cable is completely functional and showing accurate results would imply that the pairs are correctly configured, which is not the case here. Similarly, an open circuit would typically not allow any LEDs to show green, and reversed wiring would not effectively produce the simultaneous green LED indication indicative of transposed pairs. Thus, the conclusion drawn about a transposed-pair test result is the most fitting to the situation described.

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