Reviewed by Guest on Monday, February 8, 2016
The description for this product needs to provide more information. I expected this would test lines from the jack and tell you the condition of the line at that point. But you plug it into the wall jack and then have to go to the switch or modem, etc. to see if that port lights up. It's best to have two people so the one at the port can see it light. And it just tells you if you have continuity, not the quality of the connection.You can't expect much for the price but I would have happily paid more for a device that lights an LED and tells you the quality of the connection so you don't have to run back and forth between the jack and modem.
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