Question 81
MG-SDH digital single core can be expanded by software upgrade.
Question 82
TEM28 is the Ethernet convergence tributary board. Which of the following descriptions about the TEM28 board are correct? (Multiple Choice)
Question 83
On the ROADM board, you need to configure the virtual optical layer service before the optical power is commissioned. Otherwise, the ROADM limit board blocks all wavelengths by default.
Question 84
When different routes are used for client-side 1 + 1 protection, the working wavelength and protection wavelength cannot use the same wavelength.
Question 85
The OTS path refers to the physical fiber connection between two adjacent OM/OD/OA on the main optical path.