The clock unit can only access the external clock source as the timing signal source of the system through the external clock interface. In addition; It can also output a processed clock and provide a clock source for other devices that need timing.
For osn3500, which of the following boards provides centralized backup capability for the +3.3V power supply of each board in the sub-shelf?
According to the formula "ODUk rate = 239/(239k) x STM-N frame rate", ODU4 The rate is equal to the 239/235xSTM-N Pa rate.
PDM uses a polarization beam splitter to divide the laser into two vertical directions: x and y.
On the NMS system, the network element performance monitoring time is set to () minutes and () hours.
You can view the NE license status and replace the license that is about to expire in a timely manner to prevent the impact of license expiration on services.
The value of the MFAS byte increases with the sequence number of the OTUk/ODUK base frame and includes the most () base frames.
Which of the following statements about the U2000 license is incorrect?
Which overhead below 112 is not ODUk overhead?
Frame-Mapped GFP (GFPF> is a processing mode that targets data encoding blocks such as Fibre Channel and ESCON.
