Huawei
H35-211_V2.5 · Question #395
When a trunk fiber is broken or the OLT fails to detect the expected optical signal (LOS) alarm, what is the possible cause? (Multiple choice)
The correct answer is B. Port trunk fiber failure C. All power failures or faults on the port D. The port laser is turned off. See the full explanation below for the reasoning.
Huawei Access Network Platforms and Management
Question
When a trunk fiber is broken or the OLT fails to detect the expected optical signal (LOS) alarm, what is the possible cause? (Multiple choice)
Options
- AThere is a rogue ONU connected to the port.
- BPort trunk fiber failure
- CAll power failures or faults on the port
- DThe port laser is turned off
How the community answered
(34 responses)- A18% (6)
- B82% (28)
Topics
#LOS alarm#trunk fiber failure#OLT fault diagnosis#PON port troubleshooting
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