A.TRUE

B.FALSE

A.False

B.True

A.NG WDM equipment supports ROADM with fixed spectrum and Flexible ROADM with flexible spectrum.

B.O&M personnel need to provide onsite support for wavelength adjustment at ROADM sites.

C.ROADM technology uses the NMS software to deliver configurations to implement the wavelength adding/dropping and pass-through status.

D.ROADM can adjust the optical power of the pass-through wavelength and the added wavelength.

A.TRUE

B.FALSE

A.The OSN 9800 U16 sub-rack has a total of 16 service slots. These slots have the same capacity and support up to 400 bit/s ODUk crossover in a single slot.

B.The service board can be inserted into the IU18 slot only when the OSN 9800 P18 is used as the slave sub-rack.

C.In the OSN 980 0U32 sub-rack, IU70 is the primary CTU and IU78 is the standby CTU.

D.When the OSN 9800 Universal Platform Sub-rack is used as a slave sub-rack, the main control board must be placed.