WO2019011897A1 - Dispositif de transmission optique - Google Patents

Dispositif de transmission optique Download PDF

Info

Publication number
WO2019011897A1
WO2019011897A1 PCT/EP2018/068622 EP2018068622W WO2019011897A1 WO 2019011897 A1 WO2019011897 A1 WO 2019011897A1 EP 2018068622 W EP2018068622 W EP 2018068622W WO 2019011897 A1 WO2019011897 A1 WO 2019011897A1
Authority
WO
WIPO (PCT)
Prior art keywords
optical transmission
plug
transmission device
wall
housing
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
PCT/EP2018/068622
Other languages
German (de)
English (en)
Inventor
Christian ZANK
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Huber and Suhner Cube Optics AG
Original Assignee
Huber and Suhner Cube Optics AG
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Huber and Suhner Cube Optics AG filed Critical Huber and Suhner Cube Optics AG
Priority to DE112018003532.8T priority Critical patent/DE112018003532A5/de
Publication of WO2019011897A1 publication Critical patent/WO2019011897A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/24—Coupling light guides
    • G02B6/42—Coupling light guides with opto-electronic elements
    • G02B6/4292—Coupling light guides with opto-electronic elements the light guide being disconnectable from the opto-electronic element, e.g. mutually self aligning arrangements
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/24—Coupling light guides
    • G02B6/36—Mechanical coupling means
    • G02B6/38—Mechanical coupling means having fibre to fibre mating means
    • G02B6/3807—Dismountable connectors, i.e. comprising plugs
    • G02B6/3873—Connectors using guide surfaces for aligning ferrule ends, e.g. tubes, sleeves, V-grooves, rods, pins, balls
    • G02B6/3874—Connectors using guide surfaces for aligning ferrule ends, e.g. tubes, sleeves, V-grooves, rods, pins, balls using tubes, sleeves to align ferrules
    • G02B6/3878—Connectors using guide surfaces for aligning ferrule ends, e.g. tubes, sleeves, V-grooves, rods, pins, balls using tubes, sleeves to align ferrules comprising a plurality of ferrules, branching and break-out means
    • G02B6/3879—Linking of individual connector plugs to an overconnector, e.g. using clamps, clips, common housings comprising several individual connector plugs
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/24—Coupling light guides
    • G02B6/36—Mechanical coupling means
    • G02B6/38—Mechanical coupling means having fibre to fibre mating means
    • G02B6/3807—Dismountable connectors, i.e. comprising plugs
    • G02B6/389—Dismountable connectors, i.e. comprising plugs characterised by the method of fastening connecting plugs and sockets, e.g. screw- or nut-lock, snap-in, bayonet type
    • G02B6/3893—Push-pull type, e.g. snap-in, push-on
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/24—Coupling light guides
    • G02B6/36—Mechanical coupling means
    • G02B6/38—Mechanical coupling means having fibre to fibre mating means
    • G02B6/3807—Dismountable connectors, i.e. comprising plugs
    • G02B6/3897—Connectors fixed to housings, casing, frames or circuit boards
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J14/00—Optical multiplex systems
    • H04J14/02—Wavelength-division multiplex systems
    • H04J14/03—WDM arrangements
    • H04J14/0307—Multiplexers; Demultiplexers
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/24—Coupling light guides
    • G02B6/26—Optical coupling means
    • G02B6/28—Optical coupling means having data bus means, i.e. plural waveguides interconnected and providing an inherently bidirectional system by mixing and splitting signals
    • G02B6/293—Optical coupling means having data bus means, i.e. plural waveguides interconnected and providing an inherently bidirectional system by mixing and splitting signals with wavelength selective means
    • G02B6/29379—Optical coupling means having data bus means, i.e. plural waveguides interconnected and providing an inherently bidirectional system by mixing and splitting signals with wavelength selective means characterised by the function or use of the complete device
    • G02B6/2938—Optical coupling means having data bus means, i.e. plural waveguides interconnected and providing an inherently bidirectional system by mixing and splitting signals with wavelength selective means characterised by the function or use of the complete device for multiplexing or demultiplexing, i.e. combining or separating wavelengths, e.g. 1xN, NxM
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/24—Coupling light guides
    • G02B6/42—Coupling light guides with opto-electronic elements
    • G02B6/4201—Packages, e.g. shape, construction, internal or external details
    • G02B6/4204—Packages, e.g. shape, construction, internal or external details the coupling comprising intermediate optical elements, e.g. lenses, holograms
    • G02B6/4215—Packages, e.g. shape, construction, internal or external details the coupling comprising intermediate optical elements, e.g. lenses, holograms the intermediate optical elements being wavelength selective optical elements, e.g. variable wavelength optical modules or wavelength lockers
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/24—Coupling light guides
    • G02B6/42—Coupling light guides with opto-electronic elements
    • G02B6/4201—Packages, e.g. shape, construction, internal or external details
    • G02B6/4246—Bidirectionally operating package structures
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/24—Coupling light guides
    • G02B6/42—Coupling light guides with opto-electronic elements
    • G02B6/4201—Packages, e.g. shape, construction, internal or external details
    • G02B6/4249—Packages, e.g. shape, construction, internal or external details comprising arrays of active devices and fibres

Definitions

  • the present invention relates to an optical transmission apparatus for splitting a WDM optical signal into a plurality of individual signals and for bundling a plurality of individual signals into a WDM optical signal, comprising a multiplexer housing having a WDM signal terminal for connecting at least one of an optical WDM Signal carrying signal carrier, such as a glass fiber, and a plurality of input and / or output terminals for receiving or outputting individual signals.
  • a multiplexer housing having a WDM signal terminal for connecting at least one of an optical WDM Signal carrying signal carrier, such as a glass fiber, and a plurality of input and / or output terminals for receiving or outputting individual signals.
  • Such an optical transmission device is known and is also referred to as a multiplexer or demultiplexer.
  • the abbreviation WDM stands for the English term "wavelength division multiplex" and is an optical frequency division multiplexing method which is used in the transmission of signals via optical waveguides
  • WDM optical frequency division multiplexing method which is used in the transmission of signals via optical waveguides
  • a multiplicity of light signals with different wavelengths can be transmitted via a glass fiber optical transmission device, such optical WDM signals consisting of a plurality of individual signals having different wavelengths can be split into the individual signals.
  • Such optical transmission devices are usually arranged in a multiplexer housing, wherein the multiplexer housing is a WDM signal terminal for connecting a glass fiber, which is intended to carry the combined multiplexed signal. Furthermore, the optical transmission device has a plurality of input and / or output terminals for receiving or outputting the individual signals.
  • corresponding plug sockets are provided for this purpose, it being possible for a single signal of a particular wavelength to be switched on or off via each plug socket.
  • the corresponding transmission devices are often mounted in control cabinets or so-called racks.
  • the individual signals must then be further processed or redistributed in other elements.
  • These other elements also have corresponding sockets, so that by means of so-called patch cables, the sockets of the optical transmission device can be connected to the corresponding sockets of the processing elements.
  • patch cables Through the use of patch cables, the sockets can be connected individually.
  • the patch cables have the disadvantage that they are expensive to assemble and also a separate slot in the control cabinet must be provided both for the optical transmission device as well as for the corresponding further processing device. In addition, it must be checked during a troubleshooting, if the patch cables connect the correct sockets together.
  • this object is achieved in that the plurality of input and / or output terminals is designed as a plug, which are held by a wall of the multiplexer or are mounted in or on this.
  • plugs are now used instead of the usual sockets, so that the transmission device can be plugged as a whole with their plugs into corresponding sockets of signal processing elements. It is understood that the arrangement of the plug of the transmission device must be adapted to the arrangement of the sockets in the further processing device.
  • At least two input terminals are provided for receiving individual signals and at least two output terminals for outputting individual signals.
  • an input connection and an output connection are preferably arranged side by side in pairs.
  • each pair of input and output ports may be formed as a duplex LC connector.
  • the LC connector which dates back to Lucent Technologies, is a small-form-factor connector that has become the standard for LAN cabling.
  • the plug is defined in the standard EN 50173.
  • the plugs of the plurality of input and / or output terminals are arranged side by side in a row. Since most signal processing elements have female connectors arranged in a row, this embodiment is advantageous.
  • the distance between adjacent plugs within a pair is smaller than between adjacent pairs.
  • the distance between adjacent plugs within a pair is from 1% to 25% and most preferably from 2% to 22% less than the distance between plugs of adjacent pairs.
  • the sockets in the signal processing elements are arranged side by side, these are often arranged in female housings, which can each accommodate a pair of sockets. This may result in the spacing between adjacent pairs of receptacles being slightly greater than the spacing of the boxes within a pair.
  • each plug is reciprocable in a direction perpendicular to the wall of the multiplexer housing, the so-called Z-direction, relative to that wall between first and second Z-positions, wherein in the first Z-position the plug continues to protrude beyond the wall of the multiplexer housing than in the second Z position.
  • the mobility of the individual plugs relative to the wall of the multiplexer housing simplifies the mounting of the optical transmission device to the sockets of the signal processing equipment. It may happen that the corresponding sockets are not aligned exactly flush with each other. The mobility of each individual connector in the Z-direction can compensate for such deviations.
  • the plug is preferably resiliently biased in the first Z-position. When mounting the optical transmission device thus the plug are pressed into the corresponding sockets. Due to the elastic bias of each plug exerts a force in the direction of the socket. The elastic bias can be done for example by appropriate spring elements.
  • each plug is in at least one direction, preferably in at least two directions (X-direction and Y-direction) parallel to the wall of the multiplexer housing relative to the wall between a first and a second X-position and / or between a first and second Y-position back and forth movable.
  • the plugs are mounted floating, so that corresponding tolerances in the plane of the housing wall between adjacent sockets Signalweiterver usedder elements can be compensated.
  • each plug is designed as a self-locking connector and has an unlocking lever.
  • Such connectors are known in principle and the already cited LC connector is formed. The plug can be plugged into the corresponding corresponding socket and snaps into it. Using the release lever, the catch can be removed and the plug pulled out of the socket.
  • an unlocking device is provided on the multiplexer housing with which a plurality of unlocking levers can be operated at the same time.
  • the plugs may be arranged such that the unlatching levers are all aligned in the same direction perpendicular to the direction in which the plugs are arranged in rows side by side.
  • a release lever movable relative to the multiplexer housing may be provided which can be moved relative to the housing so as to actuate in one position all of the unlocking levers of the plugs.
  • the present invention relates to a media converter module having an optical transmission device as just described.
  • the media converter module is there to convert the individual signals with different wavelengths.
  • the media converter module could convert the individual signals of different wavelengths into electrical signals. These could then be further processed with a corresponding device.
  • the media converter module has a converter for converting a plurality of signals of different wavelength into a plurality of electrical signals.
  • Such a media converter module can be used, for example, for connecting a baseband signal processing unit to a mobile radio base station by means of WDM transmission.
  • the converter has a converter housing with a plurality of converter input and converter output terminals which are designed as plug sockets, wherein the plug sockets are formed corresponding to the plugs of the optical transmission device and the plugs are arranged in the plug sockets.
  • a commercially available converter can be used here.
  • the plugs of the optical transmission device must then be adapted to the position of the sockets in the converter.
  • a transceiver module may be provided with a transceiver housing having a plurality of sockets.
  • the sockets can be housed either individually or in pairs in corresponding transceiver housings or all sockets are arranged in a common transceiver housing.
  • the transceiver module is designed to convert the electrical signals into optical signals of the same wavelength.
  • a wall of the multiplexer housing of the optical transmission device may be connected to a wall of the transceiver housing.
  • a support plate may be provided, wherein a wall of the multiplexer housing on the one side of the support plate and a wall of the transceiver on the opposite side of the support plate are attached.
  • the output signals of the converter can be provided via the sockets of the transceiver module.
  • the carrier plate may be, for example, a printed circuit board. This has the advantage that the components for processing the electrical signals and the necessary power supply can be arranged on the circuit board.
  • WDM signal connection of the transmission process and sockets of Tranceiver module are arranged so that the corresponding connector to be connected to have the same direction of insertion.
  • both the WDM signal connector and the sockets of the transceiver module can be populated from the same side.
  • FIG. 1 shows a plan view of a first embodiment of the invention
  • FIG. 2 a perspective view of a second embodiment of the invention
  • FIG. 3 a perspective view of a third embodiment of the invention
  • FIG. 4 an exploded view of the embodiment of FIG.
  • FIGS. 5-7 three perspective views of a media converter module according to the invention.
  • FIG. 1 shows a plan view of a first embodiment of an optical transmission device 1 according to the invention.
  • the transmission device 1 has a multiplexer housing 2.
  • a WDM signal terminal 3 is provided, which is designed here as a female connector.
  • a fiber optic cable can be coupled, via which a multiplex signal of the transmission device 1 is supplied.
  • the optical transmission device 1 operates as a multiplexer or demultiplexer, which means that the multiplexed signal coupled in via the connection 3 is divided into its individual wavelength components and the individual component is output via the connectors 4.
  • the signal transmission path also works in the opposite direction, that is, the plurality of individual signals of different wavelengths can be supplied via the corresponding inputs, which are designed as a connector 4, the transmission device 1 and are merged by her and the WDM signal terminal 3 on the transferred there connected fiber.
  • the plugs 4 are arranged in pairs, each pair consisting of an input terminal and an output terminal, wherein the distance between the plugs of a pair is slightly smaller than the distance between plugs of adjacent pairs.
  • the transmission device according to the invention has the advantage that it can be plugged directly into corresponding terminals of a transceiver bank processing equipment without the use of patch cables. Although this eliminates the advantage of individual connection of individual outputs of the transmission device with individual inputs of the subsequent signal processing device, such individual interchangeability is not desired in many cases.
  • the arrangement of the WDM signal terminal 3 is in principle arbitrary.
  • Figures 2 and 3 show a second embodiment of the optical transmission device 1 'and a third embodiment of the optical transmission device 1 "in which the corresponding connection is alternatively arranged.
  • the WDM signal connection 3 extends perpendicular to the orientation of the plug 4, while still not projecting laterally beyond the housing.
  • the embodiment shown in Figure 3 are even two WDM signal terminals 3 are provided, which also do not protrude laterally beyond the housing, but with respect to the plane which is formed by the arranged in rows side by side connector 4, angled.
  • each plug 4 has a release lever 6. If the LC plug is inserted into the corresponding socket, then the release lever is first pressed down and then locked in the socket. The plug can only be removed from the socket when the lever 6 is pressed downwards, that is towards the plug. Since the optical transmission device according to the invention has a plurality of plugs, all the levers 6 must be pressed simultaneously in order to separate the transmission device 1 from the corresponding transceiver bank of a signal processing element. To make this possible, an unlocking actuator 5 is provided which can be moved relative to the housing 2 and then simultaneously comes into contact with all the levers 6 and pushes them down to unlock the plugs.
  • a handle could be arranged at the front, that is, the opposite side of the plugs 4, with which the entire transmission device can be pulled out of the receiving transceiver bank.
  • a mechanism could be connected, which activates the Entriegelungsaktuator 5, so that by manual actuation of the arranged on the front handle automatic unlocking of all 4 plug.
  • the individual plugs 4 are floating within the housing 2 of the transfer device 1, that is, they can be individually moved relative to the housing 2 to some extent , This is clear from the exploded view of Figure 4. It can be seen that the plug 4 have a cuboid housing.
  • the multiplexer housing 2 has on its back 7 a plurality of recesses 8, so that the overall result is a comb-like structure. In the individual recesses 8 can then be used in each case a plug with its cuboid housing.
  • the plug 4 has on its side facing the multiplexer housing 2 a stepped holding plate 10, through which a corresponding glass fiber 9 is guided. Between the holding plate 10 and the plug housing, a cylindrical connection is provided which can not be seen in FIG. As a result, the plug 4 has a circumferential groove extending between the plug housing 4 and the holding plate 10. Further provided are two holding elements 1 1, 12, each having semicircular recesses. These are assembled so that the holding elements 1 1, 12 together form a plurality of circular recesses into which the corresponding cylindrical connections between the holding plate 10 and the cuboid housing 4 of the plug 4 come to rest. The holding elements 1 1, 12 are screwed from the inside to the rear side 7 of the multiplexer housing 2.
  • the gap between the holding plate 10 and the cuboid housing of the plug 4 is slightly larger than the thickness of the holding elements 1 1, 12, so that each plug in the Z direction, that is the direction perpendicular to the rear wall 7 of the multiplexer 2 to a certain extent movable are.
  • the distance between adjacent prongs of the comb-like structure, that is, the width of the recesses 8, slightly larger than the width of the cuboid housing of the plug 4, so that the plug 4 within the recesses 8 in two mutually perpendicular directions, the X-direction and the Y direction, have a certain game. Due to this floating mounting, a simple mounting of the optical transmission system 1 according to the invention in a corresponding transceiver bank is possible.
  • FIGS. 5 to 7 show three perspective views of a media converter module.
  • the media converter module according to the invention has an optical transmission device 1, as has been described in connection with the previous figures. Furthermore, a converter 13 is provided for converting a plurality of signals of different wavelength into a plurality of electrical signals. Both the optical transmission device 1 and the converter 13 are mounted on a support plate 15 such that the plug 4 of the optical transmission device 1 engage in corresponding sockets of the converter 13. The electrical signals converted by the converter 13 are then converted into optical signals having the same wavelength by a transceiver module 16 and output to corresponding sockets 17, the transceiver module 16 being fixed to the opposite side of the carrier plate 15.
  • the support plate 15 may be housed in a commercial rack or a corresponding cabinet and be designed as a printed circuit board.
  • the media converter module is very compact. It is only necessary to provide the corresponding WDM signal via port 3. Without the need for further patch cords, 16 signals of the same wavelength are output via the corresponding sockets of the transceiver module, which signals can be connected to the corresponding modules of a mobile radio device.

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Optical Communication System (AREA)
  • Optical Couplings Of Light Guides (AREA)

Abstract

La présente invention concerne un dispositif de transmission optique destiné à diviser un signal optique WDM en une pluralité de signaux individuels et à rassembler une pluralité de signaux individuels en un signal optique WDM. Le dispositif comprend un boîtier de multiplexeur comportant une borne de signal WDM destinée au raccordement d'au moins un support de signal portant le signal optique WDM, tel qu'une fibre de verre, et une pluralité de bornes d'entrée et/ou de sortie destinées à recevoir ou délivrer des signaux individuels. Afin de fournir un dispositif de transmission optique du type susmentionné qui peut être facilement raccordé à des éléments de traitement ultérieur et qui est conçu de manière peu encombrante, l'invention propose de concevoir la pluralité de bornes d'entrée et/ou de sortie sous la forme de connecteurs qui sont supportés par une paroi du boîtier de multiplexeur.
PCT/EP2018/068622 2017-07-12 2018-07-10 Dispositif de transmission optique Ceased WO2019011897A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE112018003532.8T DE112018003532A5 (de) 2017-07-12 2018-07-10 Optische Übertragungsvorrichtung

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102017115689.5A DE102017115689A1 (de) 2017-07-12 2017-07-12 Optische Übertragungsvorrichtung
DE102017115689.5 2017-07-12

Publications (1)

Publication Number Publication Date
WO2019011897A1 true WO2019011897A1 (fr) 2019-01-17

Family

ID=62873356

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2018/068622 Ceased WO2019011897A1 (fr) 2017-07-12 2018-07-10 Dispositif de transmission optique

Country Status (2)

Country Link
DE (2) DE102017115689A1 (fr)
WO (1) WO2019011897A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2023104198A1 (fr) * 2021-12-09 2023-06-15 中兴通讯股份有限公司 Dispositif de multiplexage/démultiplexage et système de commutateur optique co-conditionné

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20040013368A1 (en) * 2001-06-01 2004-01-22 Gilliland Patrick B. Modular wavelength division multiplexing (WDM) connector
JP2005257940A (ja) * 2004-03-10 2005-09-22 Nippon Telegr & Teleph Corp <Ntt> Ｗｄｍフィルタモジュール
DE202010009146U1 (de) * 2010-06-16 2010-09-16 Tyco Electronics Nederland B.V. Kontakteinrichtung und Kontaktsystem
WO2013028491A1 (fr) * 2011-08-23 2013-02-28 Panduit Corp. Connecteur de fibres optiques multiples jumelées doté d'un mécanisme de libération
WO2017046190A2 (fr) * 2015-09-14 2017-03-23 CommScope Connectivity Belgium BVBA Enceinte terminale à aspects modulaires et modules pour interfaçage avec l'enceinte terminale

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Publication number Priority date Publication date Assignee Title
US7490998B2 (en) * 2006-07-12 2009-02-17 Bti Photonic Systems Inc. Optical component package
KR101864460B1 (ko) * 2013-11-19 2018-06-05 한국전자통신연구원 다파장 광 수신장치 및 그 방법

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20040013368A1 (en) * 2001-06-01 2004-01-22 Gilliland Patrick B. Modular wavelength division multiplexing (WDM) connector
JP2005257940A (ja) * 2004-03-10 2005-09-22 Nippon Telegr & Teleph Corp <Ntt> Ｗｄｍフィルタモジュール
DE202010009146U1 (de) * 2010-06-16 2010-09-16 Tyco Electronics Nederland B.V. Kontakteinrichtung und Kontaktsystem
WO2013028491A1 (fr) * 2011-08-23 2013-02-28 Panduit Corp. Connecteur de fibres optiques multiples jumelées doté d'un mécanisme de libération
WO2017046190A2 (fr) * 2015-09-14 2017-03-23 CommScope Connectivity Belgium BVBA Enceinte terminale à aspects modulaires et modules pour interfaçage avec l'enceinte terminale

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2023104198A1 (fr) * 2021-12-09 2023-06-15 中兴通讯股份有限公司 Dispositif de multiplexage/démultiplexage et système de commutateur optique co-conditionné

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DE102017115689A1 (de) 2019-01-17
DE112018003532A5 (de) 2020-04-09

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