In the extended SSM ring network dual BITS clock protection scenario, in order to prevent the clock signal from forming a loop, you only need to configure the external clock source and internal clock source ID of the network element connected to the active BITS, and the network element connected to the backup BITS does not need to be configured. Internal clock ID.

During equipment installation, the Optix OSN 9800 U32 standard subrack cannot be installed in which of the following cabinets?

E1 has framing, multi-framing and non-framing. The main difference is that the time slots for effective data transmission are different.

Which of the following protocols is used to complete the verification of TE links in the ASON network?

Which of the following description about the connection of NG WDM equipment to the network management computer is wrong?