LAN tester is a device used to check UTP cables that have been installed RJ-45 or RJ-11. Before the network cable / UTP is connected to the network device. You should first try the truth of the cable installation through this tester so that it is not reversed or misplaced. The network tester cable is very useful for network installers because it is fast and easy to use. This tool uses a 9V battery.
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