Question 216
SES: There are 5% or more of the False blocks or at least one defect (OCI/AIS/LCK/IAE/LTC/TIM/PLM) in one second.
Question 217
RSOH, MSOH, HPOH and LPOH implement the monitoring function in descending order of the monitoring fan country.
Question 218
Which of the following bytes can be used for wired phones between two REG devices?
Question 219
The number of bytes in the segment overhead in the STM-1, STM-4, STM-16, and STM-64 frame structures is the same.
Question 220
The process of multiplexing 2M signals into STM-N signals can be simply summarized as 3-7-3 multiplexing. There are two multiplexing modes: () mode and () mode