Which of the following alerts does not trigger an AU-AIS alert?
The refractive index n1 of the fiber core must be the Q of the cladding refractive Mo n2, which is a necessary condition for transmitting the optical signal in the optical fiber.
Which of the following methods can be used to multiplex low-order ODUK to higher-order ODUk?
Which of the following different types of ESC are divided according to the principles of implementation? (Multiple choice)
For osn3500, which of the following boards provides centralized backup capability for the +3.3V power supply of each board in the sub-shelf?
The SP3D board supports 63 E1 services
Which of the following are device-level protection schemes for SDH products? (Multiple choice).
K1 and K2 bytes can send APS switching signaling or indicate that the multiplexed segment signal is invalid.
Which of the following is the configuration mode for the new NE?( Multiple choices).
When configuring LMSP, there are two switching modes: single-ended switching and double-ended switching. Single-ended switching does not require the protection protocol to be enabled.
