| CPC G01R 31/58 (2020.01) | 26 Claims |

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1. An electrical circuit board for testing at least one cable, wherein the at least one cable comprises one or more wires, the circuit board comprising:
an input connector configured to be connected to one end of the one or more wires of the at least one cable;
an output connector configured to be connected to the other end of the one or more wires of the at least one cable;
at least one processor connected via a first signal driver to the output connector, said first signal driver supplies an input voltage to the at least one cable;
an Analog-to-Digital Converter (ADC) and a second signal driver, the ADC having an input connection coupled to an input circuit and an output connection coupled to the at least one processor, and the second signal driver having an output connection coupled to the at least one processor and an input connection coupled to the input circuit;
an SPXT (single pole, X throw) switch connecting the input connector to the input circuit;
an oscillator circuit coupled to the at least one processor, wherein the oscillator circuit is configured to provide a clock signal to the at least one processor;
an energy source configured to supply input voltage to the electrical circuit board;
wherein said at least one processor comprises a plurality of signal generation modules, said plurality of signal generation modules are configured to:
generate and transmit at least one test signal through the end of the one or more wires of the at least one cable;
receive the at least one test signal transmitted through the other ends of the one or more wires of the at least one cable; and
analyze the at least one test signal using one or more signal measurement logic methods to yield data, said data comprising intermediate test results or final test results which relate to one or more faults in said at least one cable or characteristics of the at least one cable.
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