Which of the following is the steps to multiplex a low-speed service into a high-speed SDH service? (Multiple choice).
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 MAC loopback and PHY loopback are used for fault location. When the MAC loopback is set to in loop, the PHY loopback can be set according to the actual situation.
When configuring the SXCS single board for the OSN3500, which of the following is the access package of the fully configured substand?