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user-defined.
Press
key to adjust the cable speed, when the screen display length and real length are the same, please
to select the cable type, press "Save" key to save the
select the start, then press
to confirm. Press the
calibration data. When the cable have been calibrated, can select the corresponding name "User-defined x" to test
this cable again.
Application: TDR test is the use of pulse reflection method, to transmit pulse signal for tested cable, when cable is
open circuit or short-circuit, reflected pulse is generated, the tester receives and deals with the reflected wave,
measurement results displayed on the screen. TDR can test cable open circuit and short circuit, help engineer
quickly find the cable's problem location. It is more convenient and efficient to repair the faulty cable.
Note: The TDR reflect signal could be affected by the cable quality cable's not well connected etc to
cause the different TDR measurement. The TDR measurement is for reference only.
5. Network test
5.1 Port flicker
Connect a network cable to the meter's "PING/Port flashing" port, press key to "Port flicker" icon and enter to app
interface.
Press "Start"key, the IP tester sends a unique signal to make the connected LAN port of the switch flash.
If the tester and PoE switch are connected well, the LAN port of POE switch flash at special frequency, If not, no
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