Which of the following is the frame indicated by the VC-4 J1 byte by the AU pointer of the current frame?
When a bit False is detected in B2 bytes, which of the following alarms is reported by the peer?
After the U2000 sends configuration data to the network element, if the SCC single board authentication fails, the network element enters the installation state.
Which of the following alerts does not trigger an AU-AIS alert?