Which of the following terms has the meaning that "the wavelength carrying local services can be transmitted to a specific direction"?
The DM function can be used to measure the delay and jitter of service packets.
The nominal rate of OTU4 signals is 111,809,973.568 kbit/s. Generally, the line rate is regarded as 112 Gbit/s.
Which of the following is not a trigger condition for the automatic switching of client 1 +1 protection?
Which of the following statements about the TMB1AST2 board are true?