Which file needs to be modified on the U2000 to change the VC-12 timeslot numbering policy?
After the alarm inversion function is enabled, board alarm status, including alarm indicators, will change, and the alarm status data on the NE and on the NMS will be updated accordingly.
Alarm suppression applies to intra-board alarms. When alarms of different severity levels are generated, the alarm of a higher severity level suppress the alarm of a lower severity level.
The ASON feature supports automatic detection of network topology. Which protocols implement the automatic detection function?
What is the value of an AU-FTR pointer without frequency or phase difference?