It is very important to check the GPON ONU received optical power, the number xxxx dBm at the back, if it shows -inf dBm, it means that the cable is not connected properly, and when it is connected properly, it usually shows a number within -10 dBm to -24 dBm. The size of the light attenuation will not affect the speed of the Internet, as long as it can be registered, it will not affect the speed of the Internet.

Rx-Leistungswert (dBm)Gesund
-10 bis -18sehr gut
-20 bis -24im Allgemeinen normal
-25 bis -26Arbeiten am Rande der Gefahr
-27jederzeit trennen
-inf dBmGlasfaser nicht verbunden
Neuere Muss ich ONU SN/Loid/Loid-Passwort/Ploam/Ploam-Passwort/GPON SN/MAC… festlegen?
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