A.WSMD2 board supports F1exible ROADM configuration

B.Flexible grid technology provides flexible bandwidth settings and flexible bandwidth allocation and scheduling.

C.Improve spectrum utilization and meet flexible scheduling requirements in the future era of over 100 Gbit/= rate.

D.DFlexible ROADM is compatible with existing networks

A.Enhanced subrack can only be configured with UXCT+USXM or UXCT+USXH

B.XCT+SXM can be regarded as a whole when working. If any faulty, the two boards will be switched together.

C.XCT+SXM can be used together to provide an ODUK crossover with a total capacity of 2.56 Tbit/s.

D.XCT+SXM can support ODU0, 1, 2, and 3 levels of crossover.

A.Non-uniformity of insertion loss of each channel of the multiplexer/demultiplexer

B.EDFA gain unevenness

C.The main channel dimming fader setting is unreasonable

D.Cable aging is high

A.Synchronization method

B.Search method

C.Form method

D.Graphic method

A.NN, NNI

B.NNI, UNI

C.UNI, UNI

D.UNI, NNI