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Cleft grafting method for optical fiber instant interruption service

A technology of optical fiber and business, which is applied in the field of optical fiber cutover to ensure the quality of optical fiber connection, improve the availability rate, and ensure the smooth flow of business

Active Publication Date: 2013-04-24
SHANGHAI TELECOMM ENG
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0019] However, this fiber switching solution can only be applied to fiber optic line cutovers with backup fiber routing

Method used

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  • Cleft grafting method for optical fiber instant interruption service
  • Cleft grafting method for optical fiber instant interruption service
  • Cleft grafting method for optical fiber instant interruption service

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Experimental program
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Embodiment Construction

[0035] Because the metropolitan optical fiber line is mainly composed of pipeline optical fiber, supplemented by a very small amount of optical fiber laid in overhead and other methods, its characteristics are: the line section is relatively short, and can be divided into inter-office relay, user access network backbone and user introduction optical fiber, The number of fiber cores is diversified (for example, Tianjin's metropolitan area network has 6, 8, 12, 24, 48, 72, 96, 144, 216, 288 cores, etc.), and there are many fiber lines with more than 48 cores . The situation of optical fiber routing is complicated. According to the line maintenance regulations, the line equipment on the outside of the adapter (that is, the fiber side) belongs to the scope of fiber line maintenance, while the line equipment on the inside of the adapter The optical jumper part to the optical transceiver belongs to the maintenance scope of transmission equipment. The basic task of optical fiber li...

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Abstract

The invention relates to the field of optical fiber transmission and discloses a cleft grafting method for an optical fiber instant interruption service. According to the method, after the processes of scheduling a system, aligning optical fibers, checking a system opening condition and acquiring information about a tail optical fiber connecting condition are performed, a series of operations of peeling and fixing new optical fibers, peeling and welding original optical fibers, measuring joints, coiling optical fibers and packaging in a box and the like are performed so as to carry out splicebutt on intervened optical fibers with the original optical fibers pair by pair or beam by beam. The method provided by the invention is used for efficiently promoting the timeliness and economical efficiency of the cleft grafting of the optical fibers and fully ensuring a smooth service and the optical fiber grafting quality of an optical fiber line during a cleft grafting period.

Description

technical field [0001] The invention relates to the field of optical fiber transmission, in particular to optical fiber cutover technology. Background technique [0002] With the rapid development of the communication industry in recent years, new technologies and new services are constantly being born. The transmission system carried by optical fibers has gradually developed from the 140M quasi-synchronous digital series PDH (Plesiochronous Digital Hierarchy, referred to as PDH) in the early 1990s to the current 10G synchronous digital series SDH (Synchronous Digital Hierarchy, referred to as SDH) and 1600G dense wavelength division multiplexing DWDM (Dense Wavelength Division Multiplexing, referred to as DWDM). People's demand for communication services has gradually developed from traditional voice services to the coexistence of current voice, data, image, and multimedia services. At the same time, people's requirements for communication service quality are getting higher...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G02B6/245G02B6/25G02B6/44
Inventor 倪纪刚
Owner SHANGHAI TELECOMM ENG