The service types supported by the PND2 board used by the OSN 8800 are: (Multiple choice)
When you delete a discrete service, you can first activate it. At this time, you can view the alarm. If there is no alarm such as PS or TU-AIS, it is a garbage service. If there is an alarm, the analysis is incorrect. You need to activate it immediately.
When the input optical power of the amplifier at the receiving end OAU is lower than the nominal optical power, which of the following are wrong in the operation?
Which of the following description of the PWE3 technology are correct? (Multiple choice)