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Method and system for automatic testing of optical power and branch attenuation faults

An automatic test and branch attenuation technology, applied in the field of data communication, can solve the problems of automatic test, inability to realize optical power and branch attenuation, and achieve the effect of easy analysis

Active Publication Date: 2018-06-12
CHINA TELECOM CORP LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

For example, the existing technology cannot realize automatic testing of optical power and branch attenuation

Method used

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  • Method and system for automatic testing of optical power and branch attenuation faults
  • Method and system for automatic testing of optical power and branch attenuation faults
  • Method and system for automatic testing of optical power and branch attenuation faults

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Embodiment Construction

[0068] Various exemplary embodiments of the present invention will now be described in detail with reference to the accompanying drawings. It should be noted that the relative arrangements of components and steps, numerical expressions and numerical values ​​set forth in these embodiments do not limit the scope of the present invention unless specifically stated otherwise.

[0069] At the same time, it should be understood that, for the convenience of description, the sizes of the various parts shown in the drawings are not drawn according to the actual proportional relationship.

[0070] The following description of at least one exemplary embodiment is merely illustrative in nature and in no way taken as limiting the invention, its application or uses.

[0071] Techniques, methods and devices known to those of ordinary skill in the relevant art may not be discussed in detail, but where appropriate, such techniques, methods and devices should be considered part of the Authoriz...

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Abstract

The invention discloses a method and a system for realizing automatic tests on light power and branch attenuation faults. The method comprises a first reflector is placed after one branch of a first primary splitter or a secondary splitter; after business opening, a second reflector is further placed before an ONU, test signals reflected by the first reflector and the second reflector are calculated by utilizing dual wavelength OTDR tests, and precise point-to-point loss and the light power are acquired. According to the method, the automatic tests on attenuation and the light power are realized.

Description

technical field [0001] The invention relates to the field of data communication, in particular to a method and a system for realizing automatic testing of optical power and branch attenuation faults. Background technique [0002] Optical Distribution Network (ODN) is a passive optical network, which is a general term for the lines and equipment set between the optical line terminal (OLT) and the optical network unit (ONU) in the optical fiber access network, and is used to distribute optical signals Power, which provides a physical channel for optical signal transmission between OLT and ONU, is the foundation of the optical access network and is crucial to the construction of the optical access network. [0003] ODN is mainly composed of passive optical components such as optical fiber cables, optical attenuators, optical fiber connectors, optical fiber connectors, and optical splitters. ODN uses optical distribution frames, optical transition boxes, optical distribution bo...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04B10/071
Inventor 欧月华任艳王波彭莉朱晓洁张凝昊
Owner CHINA TELECOM CORP LTD