The transmission on fiber optic ;links the STS -1 structure is converted and an______________
A. optical carrier level is 1
B. optical carrier level is 1
C. optical carrier level is 2
D. optical carrier level is 3
Answer:B
The transmission on fiber optic ;links the STS -1 structure is converted and an______________
A. optical carrier level is 1 B. optical carrier level is 1 C. optical carrier level is 2 D. optical carrier level is 3