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Submarine cable interface for connection to ground terminal

A cable interface, submarine cable technology, applied in the field of submarine cable interface, can solve problems such as increasing time and cost

Pending Publication Date: 2022-04-22
GOOGLE LLC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

This in turn requires additional SKUs to be tracked and managed in order to maintain the network, which adds unnecessary time and cost to the maintenance process

Method used

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  • Submarine cable interface for connection to ground terminal
  • Submarine cable interface for connection to ground terminal
  • Submarine cable interface for connection to ground terminal

Examples

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Embodiment Construction

[0030] The present disclosure generally relates to devices and methods for interfacing ground plane and submarine optical networks without dedicated SLTE. Specifically, the OCI including the filter is positioned along a first optical communication path of the OCI from the terrestrial cable to the submarine cable. The filter is capable of passing communication signals within a first frequency band within the permitted frequency range of the submarine cable, while filtering out other signals, such as supervisory signals, outside the permitted frequency range of the submarine cable.

[0031] In some examples, the OCI may include a second filter positioned along a second optical communication path of the OCI from the submarine cable to the surface cable. The first filter and the second filter may be able to loop filtered other signals back towards the ground cable network. In surface cable networks, loopback signals can be detected by standard terminal equipment, and their detect...

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Abstract

The invention relates to a subsea cable interface for connection to a ground terminal. In an optical network having a ground terminal and an open cable interface (OCI) connecting a subsea cable to a ground cable, the OCI may include a filter positioned on an optical path between the ground cable and the subsea cable and configured to communicate a first communication signal having a first frequency band, and filtering the auxiliary signal having a second frequency band that does not overlap the first frequency band. The assistance signal may be looped back to the ground terminal. The terrestrial terminal may detect the looped-back auxiliary signal and, in response, determine the presence of the OCI and determine that the monitoring signal is rerouted by the OCI.

Description

technical field [0001] The present disclosure relates to a submarine cable interface for connection to a surface terminal. Background technique [0002] Communication networks include both terrestrial fiber optic cables that carry optical communication signals over land, as well as submarine fiber optic cables that carry optical communication signals across large bodies of water between continental landmass. In a typical scenario, signals from terrestrial networks are incompatible with signals from subsea networks. The signals of the respective networks may differ in both frequency range, modulation format of the data channels, and type and quality of monitoring channels used for system telemetry, control and operation. [0003] Conventional optical network systems include specialized equipment in order to interface terrestrial cables with submarine cables to create interconnected optical networks. The specialized equipment used to facilitate this interface is commonly ref...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04B10/071H04B10/077H04B10/079G02B6/293
CPCH04B10/071H04B10/077H04B10/07955G02B6/293H04B10/27G02B6/4278G02B6/4427H02G15/14H04B10/035H04B10/80
Inventor 马西米利亚诺·萨尔西尹爽
Owner GOOGLE LLC