The overhead ratio is a factor that affects the error correction capability of the FEC technology. Generally, when the same FEC encoding/decoding is used, the higher the overhead ratio is, the larger the net coding gain is.
Which of the following signals can be used as input or output signals of an external clock interface?
Which of the following statements about AU pointers are correct?
FXS and FXO are the names of the ports used by analog telephone lines. FXO ports and FXS ports are always used in pairs.
Which of the following statements about replacing the SCC board is incorrect?
Which of the following is not a precaution after board replacement?