Which of the following alarms is not a switching condition for a two- fiber bidirectional multiplex section protection ring?

Which of the following alarms is not a switching condition for a two- fiber bidirectional multiplex section protection ring?
A . R_LOS
B. MS_AIS
C. TU_AIS
D. B2_EXC

Answer: C

Subscribe
Notify of
guest
0 Comments
Inline Feedbacks
View all comments