Regarding the MA5600T main control board running status indicator (RUN ALM), which of the following states indicates that the board is operating normally?
In the EPON network, which parameter is used to filter the downstream data on the ONU?
Which of the following are common methods for locating Ethernet connection faults?
The monitoring of environmental quantities refers to the monitoring of some environmental factors that may cause equipment damage, malfunctions, etc. Which of the following is not the subject of environmental monitoring?