Line Test Function The Line Test Function is on the line of the open, shorted, wrong, reverse the physical connection detection.
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Line Tracing Function This instrument is suitable for RJ11, RJ45, other metal wires can be found through the transmitter.
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Line Pairing Function The instrument has the function of detecting various states of the telephone line, which can only be detected by the transmitter, such as judging the TIP or PING line, and judging the idle, ringing and off-hook status of the telephone line.
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