Ncti Mt2 - Mt3 Study Guide Rated A+

The number of rectifiers used in a DC power plant design {Ans: is dependent upon the load placed on the system.}What is required of mechanical splices used for acceptance testing? {Ans: A mechanical splice used for acceptance testing should be simple to use and reusable.}What are the main elements of an optical transmitter? {Ans: Data encoder/modulator, electrical interface, laser, optical interface.}Which element of a passive optical network (PON) consists of a downstream (forward path) optical transmitter, an upstream (return path) receiver, and a multiplexer/demultiplexer? {Ans: Optical line terminal (OLT).}Which of the following statements is true regarding optimum performance in the fiber-optic network? {Ans: The role of maintenance is to proactively maintain network tolerances and recognize, locate, and remedy potential problems.}Why are backup AC generators included in many commercial AC uninterruptible power supply (UPS) and DC power systems? {Ans: To provide AC power in the event of a prolonged utility power interruption.}