What Is a Wire Map Tester?
A wire map tester is a device that transmits signals through each wire in a copper twisted-pair cable to determine if it is related to the precise stick at the added fade away. Wire mapping is the most basic test for twisted-pair cables because the eight remove wire friends full of zip in each cable control are a common source of installation errors. These testers detect transposed wires, opens (flashing or unconnected wires), and shorts (wires or pins improperly complex to each appendage) - all problems that can render a cable run inoperable. Wire map laboratory analysis is concerning always included in multifunction cable testers, but in some cases it may not be worth the expense to spend thousands of dollars in the region of a quantity device. Dedicated testers are relative reasonably priced (from $200 to $300) and enable you to test your installation for the most common faults that occur during installations and subsequent to. If you are installing voice-grade cable, for examp...