Optical line terminal (OLT) device and passive optical network (PON) data transmission method

An optical line terminal and passive optical fiber network technology, which is applied in the field of passive optical network PON data transmission and optical line terminal OLT equipment, and can solve problems such as low processing efficiency, complex configuration, and impact on service performance.

Active Publication Date: 2019-03-08
CHINA MOBILE GROUP JIANGSU +1
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Problems solved by technology

But at the same time, active relay or transmission equipment is introduced into the PON port, which introduces additional delay, so that the dynamic bandwidth allocation (Dynamic Bandwidth Allocation, DBA) bandwidth allocation mechanism, optical path detection and optical path diagnosis functions, and protection switching on the PON port mechanism, e...

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  • Optical line terminal (OLT) device and passive optical network (PON) data transmission method
  • Optical line terminal (OLT) device and passive optical network (PON) data transmission method
  • Optical line terminal (OLT) device and passive optical network (PON) data transmission method

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[0059] The characteristics and exemplary embodiments of various aspects of the present invention will be described in detail below. In order to make the purpose, technical solutions and advantages of the present invention clearer, the present invention will be further described in detail below in conjunction with the accompanying drawings and specific embodiments. It should be understood that the specific embodiments described here are only configured to explain the present invention, not to limit the present invention. It will be apparent to one skilled in the art that the present invention may be practiced without some of these specific details. The following description of the embodiments is only to provide a better understanding of the present invention by showing examples of the present invention.

[0060] It should be noted that in this article, relational terms such as first and second are only used to distinguish one entity or operation from another entity or operation...

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Abstract

The invention discloses an optical line terminal (OLT) device and a passive optical network (PON) data transmission method. The OLT device comprises an OLT access device and an OLT service processingdevice, the OLT access device comprises a passive optical network (PON) interface module, a first flexible Ethernet technology FlexE crossed kernel and at least a first FlexE uplink port, and the OLTservice processing device comprises at least a FlexE downlink port, a second FlexE crossed kernel and at least a second FlexE uplink port. According to the optical line terminal (OLT) device and the passive optical network (PON) data transmission method, an optical access function entity and a service processing entity of the OLT can be separated, the two entities are interconnected through a FlexE interface, the interconnection interface can be borne through a metropolitan area transmission network, and realization of an overall function of the OLT and the performance of the OLT are not influenced.

Description

technical field [0001] The invention belongs to the technical field of optical access networks, and in particular relates to an optical line terminal OLT device and a PON data transmission method of a passive optical network. Background technique [0002] Passive Optical Network (PON) is a point-to-multipoint optical fiber access system, which includes an optical line terminal (Optical line terminal, OLT) on the central office side, an optical network unit (Optical Network Unit) on the user side Network Unit, ONU) and Optical Distribution Network (Optical Distribution Network, ODN). The so-called "passive" means that the optical distribution network does not contain any active electronic devices and power supplies, and is all composed of passive devices such as optical splitters (optical splitters) and optical fibers. PON has the advantages of multiple services, low cost, easy maintenance, and large capacity. [0003] The optical access network is a field that has been dev...

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Application Information

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IPC IPC(8): H04B10/25H04Q11/00
CPCH04B10/25891H04Q11/0062H04Q2011/0079
Inventor 吴宇李玉峰陈爱民袁立权
Owner CHINA MOBILE GROUP JIANGSU
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