A.Improve the sending optical power of the originator

B.When the input optical power cannot be increased by adjusting the adjustable attenuator, the adjustable attenuation at the input of the amplifier is removed.

C.Set the OAU gain so that its output reaches the nominal value

D.Adjust the dimmable fading before the terminating amplifier to increase the input optical power of the amplifier

A.For the inbound port of the Tag Aware attribute, if the input data carries the VLAN ID, transparently receive the data.

B.For the ingress port of the Access attribute, if the input data does not carry the VLAN ID, it is directly transparent.

C.For the ingress port for the Access attribute, if the input data carries the VLAN ID, discard.

D.For the ingress port of the Tag Aware attribute, if the input data does not carry the VLAN ID, discard.

A.TOA

B.TEM28

C.TDX

D.TSC

A.True

B.False

A.Hardware loopback

B.Hard reset main control board

C.Software loopback

D.Soft reset main control board