Data transmission method, device and system used in optical access network
An optical interface and network-side technology, applied in the network field, can solve problems such as long distance, slow data interaction speed, inability to switch between business transmission and standby OLT, etc., and achieve the effects of improving efficiency, convenient use, and reliable data communication
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[0027] An embodiment of the present invention provides an optical access system, including:
[0028] The active OLT and the standby OLT, the active OLT transmits configuration data through the ANCP (Access Node Control Protocol) protocol, so that the active OLT transmits the configuration information on it and / or on the equipment communicating with it to the standby OLT, To perform data synchronization between the active and standby OLTs. The configuration information may specifically include: at least one of configuration information of the active OLT itself and configuration information of an ONU communicating with the active OLT.
[0029] The active OLT and standby OLT may include:
[0030] The user-side interface is an optical interface for establishing a communication connection with the optical network unit on the user side;
[0031] The network-side interface is an optical interface and / or an electrical interface for establishing a communication connection with the ne...
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