In OptiX OSN8800, which of the following boards provides clock time input and output interfaces?
In the NG-WDM system, which one of the following boards supports optical line protection?
The R-LOS alarm has nothing to do with overhead bytes but only with the quality of the incoming signal
Which of the following Ethernet port alarms is not a physical layer alarm, that is, LSR_NO_HTED has no correlation with it, and there is no suppression relationship?
Which of the following boards can be inserted into the OSN 9800U64 subrack?
The characteristic of the open DWDM system is that there are no special requirements for the optical interface of the multiplexing terminal, and only these interfaces are required to comply with the optical interface standard
recommended by ITU-T. The DWDM system adopts wavelength conversion technology to convert the optical signal of the multiplexed terminal into a specific wavelength, and the optical signal of different terminal equipment is converted into
different wavelengths that comply with ITU-T recommendations, and then multiplexed.
On the PTN equipment, when the tunnel bears data and forwards, which one is wrong in the description of the actions of each node on the LSP?
How many 2M service boards can OSN7500 support at most?
Which of the following functions does Netstar ODT have?
Which of the following services can be handled by the MP1 processing board?
