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Optical communication link, tributary unit and method for configuring tributary unit

A technology of optical communication and branch circuit, applied in circuits, electrical components, power supply devices, etc., can solve problems such as unfavorable arc transfer of transfer relays

Active Publication Date: 2018-08-28
萨伯康姆巴西贸易有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

This situation leaves open the possibility of arcing at one or both relays and possible unfavorable arc transfer at the transfer relay (third terminal)

Method used

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  • Optical communication link, tributary unit and method for configuring tributary unit
  • Optical communication link, tributary unit and method for configuring tributary unit
  • Optical communication link, tributary unit and method for configuring tributary unit

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Embodiment Construction

[0057] Referring to the drawings, reference numeral 100 denotes an optical communication link according to the present invention and reference numeral 1 denotes a branching unit according to the present invention. In the present specification and drawings, the same reference numerals are used to designate the same or corresponding elements in view of the various possible embodiments thereof.

[0058] The optical communication link 100 comprises: at least one underwater branch unit 1 (shown in solid lines); first, second and third ground stations 101, including corresponding first, second and third feeders ( PEE) 102, the feeding device 102 has a corresponding first terminal 103; the first, second and third cable branches 104 have corresponding conductors extending continuously along them and have the first 2 in the branch unit 1 respectively , the corresponding ends terminating at the second 3 and third 4 terminals and the corresponding opposite ends terminating at the first t...

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PUM

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Abstract

A branching unit for an optical communication link comprising first, second and third terminals for terminating in use the conductors of the respective branch cables, a fourth terminal for connecting in use to the submarine cable ground terminals and a circuit comprising a plurality of relays, the plurality of relays comprising at least first, second and third relays respectively associated with the first, second and third terminals, the circuit being constructed in use according to the first, second and third relays The feed sequence at the second and third terminals connects two of the first, second and third terminals together and connects the remaining terminals to a fourth terminal, wherein the circuit includes a a submarine cable grounding circuit and a bidirectional triode thyristor disposed along the submarine cable grounding circuit, the drive circuit being configured to drive the bidirectional triode thyristor to complete only the Switching of a relay triggers the bidirectional triode thyristor into a conducting state.

Description

technical field [0001] The present invention relates to branching units for optical telecommunication links, in particular submarine powered optical telecommunication links. Background technique [0002] Undersea optical communication systems are known comprising optical communication links optically connecting at least three ground stations. The optical communication link includes at least one subsea branch unit and at least three fiber optic cable branches respectively connecting the branch unit with corresponding ground stations. Each branch comprises a fiber optic cable (at least partially subsea) comprising a plurality of continuous optical fibers. Each ground station includes a respective transmitter and / or receiver for transmitting and / or receiving optical signals propagating along the optical fiber. [0003] Optical communication links are known which are fed (electrically) from a ground station in order to power optoelectronic and / or electrical and / or electronic e...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04B10/80
CPCH01H45/14H04B10/80H04B10/808H04B3/44H01H47/001
Inventor 达尼埃莱·安德罗尼阿尔多·里盖蒂
Owner 萨伯康姆巴西贸易有限公司
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