What does Cable tester mean?

Cable tester meaning in Computer Science Dictionary

A cable tester is a tool which is used to try the energy and connectivity of a particular type of cable or other wired assemblies. There are certain several types of cable testers, each able to test a specific form of cable or cable (some can test different types of cables or cables). The cable tester can test whether a cable or wire is set up properly, connected to the proper source things, of course the communication strength between your supply and location is powerful adequate to provide its meant function. The image is a good example of a cable tester from TRENDnet.