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Optical network node, method for remotely detecting its power status, telecommunications network

A technology of optical network node and telecommunication network, applied in the field of optical network

Active Publication Date: 2019-10-22
BRITISH TELECOMM PLC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Specifically, it is desirable to have a reliable solution for discovering the cause of a connection loss without having to send an engineer to the RN's location if the RN cannot send and / or receive signals and it can no longer be managed

Method used

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  • Optical network node, method for remotely detecting its power status, telecommunications network
  • Optical network node, method for remotely detecting its power status, telecommunications network
  • Optical network node, method for remotely detecting its power status, telecommunications network

Examples

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Embodiment Construction

[0031] figure 1 A diagram of the main components involved in a conventional point-to-multipoint link within a network is shown in . An Optical Line Terminal (OLT) (4) is located at the head end (2) of the access network where the Local Exchange or Central Office is located. The OLT is operatively connected to a high-level network management software application (16) including an element management system (EMS) and / or a network management system (NMS). The OLT provides services to one or more customer premises (6) at the customer end via a remote node (RN) (10). In an exemplary G.Fast implementation based on FTTdp, the RN is the DP to which the local switch is linked via optical fiber (8), while the connection between the DP and the customer premises consists of copper twisted pair (12), which enables, for example, the use of the above The mentioned RPF method transfers power to the RN. When powered and active, the RN manages its physical infrastructure (ie, fiber optic link...

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Abstract

Optical network nodes, method of remotely detecting their power status, telecommunications networks. An optical network node capable of being powered on, the optical network node comprising: a reflector arranged to reflect an optical signal; and a switch arranged to switch the An optical signal is directed to the reflector.

Description

technical field [0001] The present invention relates to methods, devices and systems related to fault diagnosis, testing and management in optical networks, especially distributed networks or access networks. It has particular application in helping to identify the cause of a lost connection to a powered remote node located at or near a client in an access network. Background technique [0002] With the global demand for greater data transmission capacity and speed, optical fiber has been increasingly deployed in preference to copper wire pairs closer to customer locations in the access network. One development is the "FTTx" point-to-multipoint network architecture, versions of which include fiber-to-the-cabinet (FTTC) and fiber-to-distribution point (FTTdp), where fiber is typically used between local switches and designated points in the access network . FTTx networks enable a significantly greater number of end-user customers to be served partially or fully by optical f...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04B10/071
CPCH04B10/071H04B10/07H04B10/0773H04B10/25H04Q11/0067H04Q2011/0083
Inventor N·帕金A·莫辛
Owner BRITISH TELECOMM PLC