On U2000, if an OLT PON port LED is not green, it indicates the PON port is faulty.
A.
Wrong
B.
Right
The Answer Is:
A
This question includes an explanation.
Explanation:
This is wrong. A PON port LED not green may indicate several states—not only a hardware fault. It can mean the port is administratively shutdown, no ONUs are registered, or the port is in an alarm or idle state depending on the LED color and blinking pattern. Fault requires correlation with alarms and performance counters in U2000, not LED color alone.
[References: HCIP-Access V2.5—OLT maintenance and alarm interpretation; Huawei OLT Hardware Description & Indicator Guide (PON port LED states and meanings)., , ]
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