| 摘要 |
Disclosed is an operation, administration, and maintenance method for very high bit rate digital subscriber line, which has a simplified frame structure, can be easily modified, and can provide various information. In very high bit rate digital subscriber line system which performs a link set between central office and customer premises equipment connected to each other by a very high bit rate digital subscriber line by transmitting/receiving very high bit rate digital subscriber line overhead control frame having operation code, unique operation codes are identically set at the central office and the customer premises equipment. Unique operation codes prescribe all kinds of messages to be transmitted between central office and customer premises equipment. Operation, administration, and maintenance for customer premises equipment is performed by exchanging messages by central office and customer premises equipment in very high bit rate digital subscriber line overhead control frames. Very high bit rate digital subscriber line overhead control frames each has operation code which prescribes corresponding message among set operation codes.
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