This is a very handy cable tester. Not only does it test "computer network cable" and "TV cable", it's also good for testing other cable types, but you didn't know that from the disposable guide that came with it. So here are a few other things you can do that aren't mentioned in the guide. 1) It can tell you whether the network cable (Cat 5) is a standard cable or a crossover cable. With a standard cable, the LEDs will flash green in the correct order (from top to bottom). If the cable is aβ¦