Question Is this ethernet or phone port?

Is a RJ45, ethernet-type port, but that's only the beginning of the battle, RJ45 is been known for other uses other than ethernet, you have to unscrew it and look for 4 wire pairs and whether it follows the EIA 568a/b color wiring scheme, THEN after that, u have to find out where the other end of that cable is.
 
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