Service bit errors

Question:
What may cause service bit errors?
Analysis:
None
Root cause:
None
Answer:
1. Unreasonable dispersion compensation (not enough or too much); 2. Too high or too low incident optical power; 3. Performance deterioration of the transmit laser on the OTU board at the transmit end; 4. Severely contaminated pigtail connectors; 5. Changes in fiber attenuation; 6. Performance deterioration of the receive laser on the OTU board at the receive end.
Suggestion and conclusion:
None

Scroll to top