If the overhead bytes pass through two plugged backplane buses, then the two slots are called paired slots that enable automatic transparent transfer of overhead bytes, such as (), () and (). Even if the SCC on the local network element The board is offline, which can also improve msP switching performance and protect DCC communication with other network elements. (Multi-quality selection).

The rate represented by STM-1 is ().

The flexible pipe provided by MS-OTN equipment means that the service can be carried through ODUk or PW.

Which of the following bytes can be used for wired phones between two REG devices?

Which of the following options are considered to be deficiencies of OTN? (Multiple choice)