A.Do not use G.653 fiber in DWDM systems

B.Control the optical power of a single wavelength

C.Using large effective area fiber

D.Control the incoming fiber power

A.OSC

B.ODUk

C.Client

D.OCh

A.The number of combined waves is more

B.Support single channel optical power monitoring

C.Support light layer crossing

D.Less occupied slots

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

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

C.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.

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

A.LAG

B.TPS

C.Tunnel APS

D.PW APS