A technician is asked to verify that a CAT5 patch cord, created by another technician, is in
working order. Which of the following tools should the technician use to verify the patch
cord?
A.
Multimeter
B.
Toner probe
C.
Loopback plug
D.
Cable tester
A cable tester is an electronic device used to verify the electrical connections in a cable or other wired assembly. Generally a cable tester consists of:
A source of electric current,
A volt meter,
A switching matrix used to connect the current source and the voltmeter to all of the contact points in a cable.
In addition to these parts a cable tester may also have a microcontroller and a display to automate the testing process and show the testing results.
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Category 5 cable, commonly referred to as cat 5, is a twisted pair cable for carrying signals. This type of cable is used in structured cabling for computer networks such as Ethernet. The cable standard provides performance of up to 100 MHz and is suitable for 10BASE-T, 100BASE-TX (Fast Ethernet), and 1000BASE-T (Gigabit Ethernet). Cat 5 is also used to carry other signals such as telephony and video.
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