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switch, also can detect the short circuit status of network cable.
4.2 RJ45 cable TDR test
Connect network cable to cable tester's RJ45 port, press key to RJ45 TDR icon and enter the interface.
Single test: Test cable status, length and attenuation.
Repeat test: Continue to test cable status, length and attenuation.
Status: After link up, screen display "online", if not link up or open circuit, screen display "open circuit", if cable
pair is short circuit, screen display "short circuit".
Length: The max test length is 180 meters, when cable is open circuit or short circuit, can test the cable length, if
screen display "online", the testing result would be not accurate.
Attenuation: The attenuation value will be displayed when cable over 10 meters.
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