Question 26
In the Colored&Directioned scenario of the 4D ROADM, if you want to implement local service scheduling in four directions, how many sets of M40V+D40 are needed?
Question 27
The troubleshooting methods that can be used to separate external faults are:
Question 28
Which of the following Optical NE types are defined in U2000?
Question 29
In WDM transmission systems, the main factors affecting the unevenness of power balance of each channel which are not included? (Multiple choice)
Question 30
The OTS path refers to the physical fiber connection between two adjacent OM/OD/OA on the main optical path.