Exfo FTB-635 Wideband Copper and DSL Test Module Manuale Utente Pagina 219

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RFL Test
Copper and xDSL Tests 211
RFL-K-Test
Open Ratio value is calculated during the first step mentioned
above (1), and is displayed prior to the second step (2).
Closed Ratio value is calculated during the second step (2), and is
displayed on the final diagram, along with the Open Ratio value.
Defective wire is represented by T/A and R/B wires.
Reference wire is represented by G/E wire.
Fault Status displays the status of the RFL test.
Test Status displays the current state of measurement or an error
message.
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