According to the formula "ODUk rate = 239/(239k) x STMN frame rate", ODU4 The rate is equal to 239/235× STMN frame rate.
In Recommendation ITU-T G.692, the allowable channel frequencies are based on the reference frequency (), and the channel spacing can be 100 GHz, 50 GHz or 25 GHz.
Which of the following is the VLAN classification method? (Multiple choice).
Which of the following is the meaning of SFD in the Ethernet frame structure?
Which of the following statements about basic LCAS functionality are correct? (Multiple choice).
Which of the following is the basic requirement of the DWDM system in the light source?
The last 256 columns in the OTN frame structure are the FEC regions for forward False correction.
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.
When the sender detects that the b6-b8 of the K2 byte is 110, it means that the sender has reported an alarm ().
output networks require higher costs than belt networks, but provide a more reliable management channel.
