Which is the next generation development prospect of access network ?

(single) Is the following description correct? The MA5600T SCUN provides one maintenance network port, one serial port, one environmental monitoring port, and eight GE interfaces.

(multiple) Which of the following are commonly used positioning methods for Ethernet docking faults?

(single) Is the following description correct? The process of voice fault location can be generally divided into: troubleshooting external devices, fault location to specific devices, and fault location to the board.

(single) Which of the following does not belong to the ONT product?