RUN | LED is OFF. | | & | The card is powered off. |
| & | The card does not match. |
|
Green LED is ON. | The card self-checking completes but fails to receive data from the switching and control card or NM. |
Green LED flashes quickly. | The card is downloading data from the network management server. |
Green LED flashes slowly (0.5 Hz). | The card runs properly. |
Red LED is ON. | The card hardware is faulty. |
Red LED flashes slowly (0.5 Hz). | The card is installed in the wrong slot. |
Yellow LED flashes slowly (0.5 Hz). | The software version of the card does not match that of the switching and control card. Auto-update is not configured on the card. |
ACTi (i = 1–16) | LED is OFF. | | & | No ONU is configured on the GPON interface. |
| & | The GPON interface has no optical module installed. |
| & | The GPON interface is shutdown. |
| & | The GPON interface is TypeB protection port. |
|
Green LED flashes. | The GPON interface and connected ONUs work properly. |
Red LED is ON. | The GPON interface has LOS alarms. |