It is known that the nominal value of single-wave input and output of OAU101 is -16/+4dbm, and the gain range is 2031db. If there is a wave of -20dbm signal at the input end, use DCM (A) (insertion loss 4db), which is To make it reach the nominal output, the gain on the network management should be set to which of the following values

When the device reports the PW_APS_DEGRADED alarm, what is the problem with the LTE service carried by the station?

Which of the following statements about multiplexed partial range error indication (MS-REI) is true B2 byte represents the transmission channel.

Which of the following options are the basic requirements of DWDM system for light source

Create an ETH private line service in the PTN network, and connect an Ethernet tester to the UNI port for RFC2544 testing. The instrument shows that the current port has only sending traffic and no receiving traffic. What are the possible reasons?