Among the following option, which is NOT effective for making the 10G trail valid?

Consider the above exhibit, which shows a WDM network map from EPT. A new trail at 10G needs to be created from Site1 to Site3.

The design tool routes the trail through Site1 but the trail is evaluated as invalid due to insufficient OSNR margin.

Among the following option, which is NOT effective for making the 10G trail valid?
A . Use a FEC with a lower code rate
B . Use 3R regeneration at Site2
C . Use a DCM at Site 2
D . Use a Raman amplifier at Site2

View Answer

Answer: A