When LCK is inserted into the local ODUk signal, which processing will the downstream station system not perform?

When LCK is inserted into the local ODUk signal, which processing will the downstream station system not perform?
A . Report ODUk_PM_LCK alarm
B . Insert DDUK_AIS information
C . Return DDUk_PM_BDI
D . Insert DDUk_PM_LCK alarm

View Answer

Answer: D