The MA5600T/MA5680T is a Huawei Optical Line Terminal (OLT) device used in GPON networks. The status of the control board's indicator lights provides critical information about the device's operational state.
* Option A :
* Incorrect : If the green light is on and off repeatedly without a specific pattern, it may indicate an unstable or faulty state.
* Option B :
* Correct : A steady green light indicates that the control board is running properly and is in a normal operating state. This is the expected status for a healthy control board.
* Option C :
* Incorrect : A blinking pattern of 0.5s on and 0.5s off typically indicates that the control board is in a transitional state, such as booting up or initializing.
* Option D :
* Incorrect : A rapid blinking pattern of 0.25s on and 0.25s off usually signifies an alarm or error condition.
Thus, the correct answer is B , as a steady green light indicates normal operation.
References:
* HCIA Huawei ACCESS Official Documentation , Chapter: OLT Device Indicators.
* MA5600T/MA5680T Maintenance Manual by Huawei.