Which of the following communication protocols are used for DCN management of Huawei devices? (Multiple choice).
Which of the following logic function blocks are involved in processing clock signals? (Multiple choice).
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.
Single fiber unidirectional transmission provides higher bandwidth than single-fiber bidirectional transmission.
Which of the following are the main advantages of SDH?
The OTUCn signal rate does not include the FEC overhead area.
When an OTU board works with an OLP board, the optical power difference cannot be used as a trigger condition for intra-board 1+1 protection switching.
Some SNCP protection inversion conditions are default, such as AU-AIS and TU-AIS. Other conditions are optional, such as HP-TIM and HP-SLM. Optional conditions can be flexibly set according to the level of the costume.
Two PIU or APIU boards of an OpCXtrans E6616/OptiX OSN 1800V Pro are used to supply power for the system In hot backup mode. When either of the two PIU or APIU boards is faulty, the system can still function properly.
Which of the following bytes can be used for ordenwire calls between two REG devices?
