Digisol DG-GR6821AC - Page 14

4. LOS LED flashes?
Reasons:
1) Fiber failure;
2) Central office equipment failure.
Solution:
1) Inspect fiber is connected properly, check whether connected to the
proper connector or not , check whether optical power is normal.
2) Contact your operator.
5. PON LED flashes?
Reasons:
1) Fiber optic connector is loose;
2) Central offce equipment failure;
3) Fiber optic connectors are dusty.
Solution:
1) Inspect fiber is connected properly;
2) Clean the ferrule with Cotton ball dipped in alcohol;
3) Contact your operator.