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I just noticed (in fact a non-technical colleague of mine told me) that there are 2 LEDs on a RJ45 connector. I always thought there was only 1.
Could somebody tell me what they're for? I'm pretty sure that the one on the right that flashes all the time indicates traffic but what about the left one?
Thanks,
43 years later this seems more appropriate for line speed indicator: no color = 10mbps, orange = 100mpbs, green = gigabit. – Evgeniy Dolzhenko – 2014-07-20T09:34:59.063