CN1922523A - Connector port for network interface device - Google Patents
Connector port for network interface device Download PDFInfo
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- CN1922523A CN1922523A CN 200580005678 CN200580005678A CN1922523A CN 1922523 A CN1922523 A CN 1922523A CN 200580005678 CN200580005678 CN 200580005678 CN 200580005678 A CN200580005678 A CN 200580005678A CN 1922523 A CN1922523 A CN 1922523A
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Abstract
A connector port is adapted for a (NID) to receive a connectorized optical fiber from inside the NID and a pre-connectorized drop cable from outside the NID. An exterior connector port includes a base positioned within an opening defined by an external wall of the NID, a mount on the base and a connector receptacle secured to the mount adjacent the external wall. An interior connector port includes an insert positioned within an opening defined by an external wall of the NID, a bracket mounted inside the NID and a connector receptacle secured to the bracket. A connector port also includes an insert positioned within an opening defined by a wall of the NID and a connector port secured to the insert. The connector port permits a field technician to readily connect, disconnect and reconfigure optical connections between the connectorized optical fiber and the pre-connectorized drop cable in the field.
Description
The application is a patent application serial number 10/784, the continuation application (CIP) of 610 (in applications on February 23rd, 2004), and also require the rights and interests of temporary patent application sequence number 60/607,696 (in application on September 7th, 2004), described two applications are all quoted with for referencial use at this.
Technical field
The present invention relates generally to the connector port that uses in a kind of optical-fiber network, particularly relate to a kind of network interface device (nid) that is applicable to hold from the connection optical fiber of NID inside and from pre-connection (pre-connectorized) optic drop cables of NID outside.
Background technology
Optical fiber is used to comprise the multiple broadband application of sound, video and data transmission more and more.As the result of the increased requirement of broadband connections, optical fiber comprises that typically one or more optical fiber stride (mid-span) access locations from distribution cable branch a large amount of.Stride access locations in these and provide take-off point, and thereby can be used for prolonging " full optics " communication network near the user from the distributor circuit that leads to the terminal user who is commonly referred to as the user.In this respect, researching and developing fiber optic network with provide " Fiber To The Curb " (FTTC), " optical fiber to commercial user " (FTTB), " Fiber to the home " (FTTH) or " FTTP " (FTTP), above-mentioned these are collectively referred to as " FTTx ".Based on the quick growth of these fiber optic networks, expectation provides can operate communication hardware and the equipment that is used for easily connecting the user to fiber optic network.
The FTTx fiber optic network has been arranged, the user can buy different sound, video and data communication services from the single service provider of for example telephone operator, and equip its dwelling house, office etc. with for example communication facilities of phone, TV, facsimile recorder, computing machine etc., to utilize this service.The user is responsible for the normal running of user communication device and wiring, is responsible for the normal running of optical network device and is wired to the network interface that is commonly called " division points " between provider's wiring and the terminal block serving and serve the provider.Division points is for the user and to serve the provider be addressable, and is usually located at the user resident in the network interface device (nid) or the building that is located on the outer wall of dwelling house, office, apartment, commercial affairs or residential architecture etc. enters terminal (BET).
In order to connect the user to optical-fiber network, one or more branch cable optics is connected between distribution cable and the division points in the NID of user resident.Need a large amount of professional techniques and experience disposes between branch cable and the distribution cable and branch cable and the on-the-spot optics of ordering between the wiring connect.Particularly, use traditional joining technique to be difficult to enter NID usually and the optics of branch cable is coupled together with the optics of drawing from user communication device.In other situation, the optics of branch cable at first joins the optical fiber with the short length that is installed in the optical conenctor on the other end to, and it is called as " optical fiber pigtail " in the art.Optical fiber pigtail sends to a side of the connector sleeve that is arranged in NID so that branch cable and the optical fiber interconnections that is connected of drawing from user communication device subsequently.Under any circumstance, the process that enters NID and fusion bond optical fiber is not only consuming time, and must be finished with significant cost with under unfavorable work on the spot condition by very skilled field technician continually.In addition, connect, disconnect or optics that repacking has been deposited connects or makes other optics and connects and often be labour-intensive and be expensive therefore in case make optics.
For by allow less experience and more unskilled technician on-the-spot is connected, disconnects and reequip optics be connected and reduce cost, the fiber optic network that communication service provider design (pre-engineering) in advance is new also needs factory-prepared (factory-prepared) interconnect scheme, and it is commonly called " plug and play " type system.Yet planned network requires particular fiber in network to be applicable to by the optical connection terminal in pre-connection and the network to hold pre-connection optical fiber in advance, for example at the pre-connection branch cable of user NID.For being used for user communication device is connected to plug and play system in the factory-prepared of the optical-fiber network of division points, the providing of expectation is applicable to that NID is to hold from the connection optical fiber of NID inside with from the connector port of the pre-connection optic drop cables of NID outside.Also be desirably in to provide in the FTTx fiber optic network to have and operate that be used for easily will be from the NID of the connector port of service cable, branch cable or the distribution cable interconnection of the connection optical fiber of NID inside and optical-fiber network by the pre-connection optic drop cables.Also expectation provides a kind of connector port and NID that uses in the FTTx optic network that the optics that the less experience of permission can easily be connected with more unskilled field technician, disconnect and repacking is on-the-spot is connected.
Summary of the invention
In order to realize aforementioned and other purposes, and according to comprise at this and broadly described purpose of the present invention, the invention provides in Networks of Fiber Communications, use and be applicable to that NID is to hold from the connection optical fiber of NID inside and different embodiments from the connector port of the optic drop cables of the pre-connection of NID outside.In different embodiments, the optic drop cables of pre-connection can the upstream component from optical-fiber network send to NID, for example sends from service cable, branch cable or distribution cable, network access point (NAP) closure, distribution terminal, multi-port optical connection terminal or another NID.In different embodiments, connector port allow less experience or more unskilled field technician can easily connect, disconnect or be retrofitted in the pre-connection branch cable and the connection optical fiber of drawing from user communication device between optics connect, thereby " full optics " communication network is extended to user resident.
In the exemplary embodiment, the present invention is a kind of NID of being applicable to and utilizes in optical-fiber network with the connector port with user communication device and the interconnection of pre-connection optic drop cables.Connector port comprises and is used for being connected to connector body from the pre-connection branch cable of NID outside with connecting optical fiber from the NID internal optics, and the fixture that is used for the adjacent connector body of branch cable opening that fastening and outer wall NID form.
In another illustrative embodiments, the present invention is the outer connector ports of the NID that is applicable to that the outer wall of the NID that is installed to and limits cable openings is adjacent.Thereby outer connector ports comprises base, be used for lid that covering base base and lid limit the chamber, be fastened to the connector body of the base the chamber in, by at least one base and cover limit be used to hold at least one groove of pre-connection fiber optic branch cable and the device that is used for base is fastened to the outer wall of NID.Outer connector ports is provided at from the pre-connection fiber optic branch cable of NID outside and connects with the optical fiber that is connected between the optical fiber from NID inside.Outer connector ports is also as the division points between Networks of Fiber Communications and user resident, and described division points allows less experience and more unskilled field technician can easily be connected, disconnect or reequip the optics connection.
In another illustrative embodiments, the present invention is the internal connector port that is applicable to the NID with the opening that limits, be used to hold the pre-connection optic drop cables in the outer wall of NID.The internal connector port comprises support that is installed in the NID and the connector body that is fastened on the support.Provide connector body to connect with the optics between the connection optical fiber that allows less experience and more unskilled field technician and can easily connect, disconnect and be retrofitted in the pre-connection optic drop cables and draw from user communication device.Connector body comprises that design is used for holding from first end of the connection optical fiber of NID inside and second end that design is used for holding the pre-connection optic drop cables.
In an illustrative embodiments again, the present invention is suitable for being located at connector port assembly in the outer wall of the NID of user resident, that be used for easily connecting and disconnecting the pre-connection optic drop cables of optical communication networks.The connector port assembly comprises the plug that is arranged in the cable openings that the outer wall by NID limits, the connector body that is installed to plug and is used to the central opening that holds the pre-connection optic drop cables and allow it to pass through by operating of limiting of plug.The connector port assembly be designed to allow the field technician easily to connect, disconnect and be retrofitted in the pre-connection optic drop cables and the connection optical fiber of drawing from user communication device between optics connect.
In another illustrative embodiments, the present invention is the connector port that comprises the pre-connection optic drop cables that is used to be contained in user resident.The cable openings that NID comprises the shell that limits outer wall and inner chamber, form by outer wall, be positioned at the connector port plug that cable openings is used to install the connector body adjacent with the connector port plug.Connector body comprises that design is used for holding from first end of the connection optical fiber of NID inside and second end that design is used for holding the pre-connection optic drop cables.
Description of drawings
When the reference accompanying drawing is read explanation detailed below of the present invention, will understand these and other features of the present invention, aspect and advantage better, wherein:
Fig. 1 shows the skeleton view of the outer connector ports of the NID that is applicable to the adjacent fastening connector body of the outer wall that comprises with NID according to an illustrative embodiment of the invention;
Fig. 2 shows the skeleton view that another illustrative embodiments according to the present invention is applicable to the internal connector port of the NID that comprises the connector body that is fastened to the support in the inner chamber that is installed in NID;
Fig. 3 shows another illustrative embodiments according to the present invention and is applicable to the skeleton view that comprises connector body and be designed to be located at the plug of the NID in the branch cable opening that provides in the wall of NID.
Fig. 4 shows the NID that optical electronic interface device wherein is installed to printed circuit board (PCB) (PCB).
Fig. 5 shows the NID that wherein optical electronic interface device and connector body are installed to printed circuit board (PCB) (PCB).
Fig. 6 shows the sleeve pipe that is connected with optical electronic interface device.
Fig. 7 shows the optical electronic interface device with a plurality of openings that are used to hold a plurality of connector lugs.
Fig. 8 shows than the stretch out sleeve pipe of less distance of at least one lug.
Fig. 9 shows the distance D 1 between sleeve pipe and optical electronic interface device.
Embodiment
Below will be by more fully the present invention will be described with reference to the accompanying drawing shown in the exemplary embodiment of the invention.But, can and should not be considered as the present invention with a lot of multi-form the present invention of enforcement and only limit to embodiment described here.In order to disclose the present invention in detail and completely and more fully to pass on protection scope of the present invention, provide these illustrative embodiments hereby to those of ordinary skill in the art.In whole accompanying drawing, use the same reference numerals to represent components identical.
The invention provides the various embodiments that are suitable for the network interface device (nid) connector port, this NID holds from the connection optical fiber of its inside and from its outside pre-connection optic drop cables.In all embodiments, this connector port is used to the pre-connection optic drop cables that allows the field technician to connect easily, dismantle or reconfigure Networks of Fiber Communications.This connector port can comprise the connector joint sleeve that is arranged in the connector body, perhaps can hold a pair of pairing optical conenctor with the applicable pattern configuration that has known or later invention arbitrarily now.In any case the optics that disposes between the pre-connection optic drop cables that this connector port achieves the connection optical fiber of NID inside and NID outside connects.In the described here illustrative embodiments, the branch cable opening that the fixed outer connector port is limited in the NID outer wall it in advance is adjacent.In described here another illustrative embodiments, the internal connector port is fixed on the support, is installed in the inner chamber of NID qualification between being somebody's turn to do.In the described here illustrative embodiments again, connector port is fixed on the insert that is positioned at the branch cable opening that the outer wall by this NID limits, such as the chassis of this NID.
In the illustrative embodiments shown here and described, connect optical fiber and be connected with the connector port of this NID inside.Perhaps, will be connected to from the optical fiber of NID inside on the optical fiber that the other end is equipped with optical conenctor (that is, " optical fiber pigtail ") then this optical fiber pigtail be connected with connector port.After this optical fiber being connected and send connector port to, the pre-connection optic drop cables is sent to connector port from the NID outside carrying out NID initial safe later any time.The size of this NID is contained in active and passive optical, electronics or the optoelectronic device among this NID along with the quantity of the optical fiber gap value of storing, the connector port that provided and other and changes in NID.
In some embodiments, this connector port is fixed on the insert, and there is some variation in the shape of this insert according to the specific design of NID, and particularly, changes the shape and size of the opening that is provided for holding branch cable.The embodiment of the NID that can use in conjunction with connector port of the present invention is FTTH/CATV Indoor/Outdo Network Interface Unit, can buy this product from the Corning Cable Systems LLC of the Hickory that is positioned at North California.Another possible NID is designed to SABRE
Enclosure, this product are sold by the Corning Cable Systems LLC of the Hickory that is positioned at North California equally.Described NID design comprises the bottom of the qualification cable openings of passing the formation of NID chassis.This cable openings comprises the groove that is used to hold packing ring, and this packing ring can be removed and be replaced by the insert of connector port of the present invention.
As used herein, wish that term " connector port " typically refers to structure and position that the connection optical fiber of NID inside is connected with the pre-connection optic drop cables of NID outside.This connector port can also comprise and is used to hold this associated line and the general of the connector that preceding is connected branch cable or combination connector socket.Preferably, dispose this connector body and be used to hold a pair of single or multifiber sleeve pipe of pairing that is installed in each optical fiber end.One of them sleeve pipe is installed in optical fiber, flat cable or is included on the end of the optical device in the NID and draws from communication devices of users.The end that connects the optical fiber of branch cable before described other sleeve pipes are installed in, wherein should precedingly connect branch cable and draw, such as service cable, branch cable or distribution cable, Network Access Point (NAP) end, distributing terminals, multi-port optical connector port or another NID from the optical network element that is positioned at this NID upstream.The joint sleeve of the connector by being positioned at the chamber that is limited by connector body is aimed at sleeve pipe and is carried out optical bond then.Now, the connector joint sleeve helps the general alignment of sleeve pipe, and the sleeve pipe register pin can be set or other alignment devices are assisted the detailed alignment of carrying out optical fiber at the end face of sleeve pipe.In an embodiment again, impel this sleeve pipe end of described connector body that leads thereby this connector body comprises the biasing element that is used in conjunction with described connector joint sleeve, thereby in sleeve pipe, aim at the sleeve pipe that described pairing connects in the mode of floating.
Connector port can be used for holding various types of connectors, such as, but not limited to, unidirectional and/or two-way SC, LC, DC, FC, ST, SC/DC, MT-RJ, MTP and MPO sleeve pipe.Connecting branch cable before the factory can be by being connected connector alleviation pulling force or torque with connector port or associated structural elements, thereby avoids the field technician to stretch at the scene or twist the needs of the branch cable that is connected to NID.Stretch and/or distortion is eliminated owing to be provided with, therefore do not need to be used to connect between the tradition of the shell of described branch cable or strength member or other hardware at described connector port.Processing provides beyond pulling force or the distortion elimination, and this connector port also provides environmental sealing at the interface that connects between optical fiber and the pre-connection optic drop cables.In addition, can cover or seal any useless connector port by removable lid or stopper.
In with embodiment, the upstream extremity of optic drop cables carries out optics with service cable, branch cable or distribution cable, distribution terminal, multi-port optical connector port, local convergence case (LCC) or various types of base of the communication network of legacy network access point (NAP) end and is connected, described product all can be bought from the Corning Cable Systems LLC company of the Hickory of North California, other ends of NID place usually with draw from communication devices of users one or more is connected the optical fiber connection.By above-mentioned functions is provided, the present invention helps the FTTx communication network of configuration " full optics ".
With reference to Fig. 1, shown in NID20 have the outer connector ports 22 of the preceding optic drop cables 24 that holds the user resident place.This outer connector ports 22 allow the optical fiber of these pre-connection optic drop cables 24 can be easily be connected the interconnection of optical fiber (not shown) from NID20 inside.This point is the known contents of those of ordinary skill in the art, and pre-connection optic drop cables 24 comprises the flexible transfer tube that comprises one or more optical fiber, and described one or more optical fiber is connected with Networks of Fiber Communications usually.The termination that this outer connector ports 22 is provided convenience in optic network is installed and is dismantled subsequently or reconfigure optics in the initialization of NID20 place with the less and unskilled field technician of permission experience and is connected.
Although in Fig. 1, only show the part of NID20, but this NID220 wishes to comprise, but be not limited to any shell, container or outer cover, such as NID, block entrance end (BET), by or the base bought for the user or optical network unit (ONU) thus obtain communication service from service provider.In addition, this NID20 provides division points usually between optic networks such as user communication device and civilian or commercialization.This NID20 can have arbitrary dimension and shape, supposes that it comprises the branch cable opening 26 that at least one is limited by this NID20 outer wall.Usually by protecting this NID inside not to be subjected to the packing ring of poor environment factor such as invasion, dirt, dust, humidity and damage by storm to occupy this branch cable opening 26, and this packing ring can be removed and be improved (for example cutting) and passes through to allow branch cable.Usually be in, this NID20 be installed on the exterior wall of office, leisure hours, commercialization and covil construction.But, also this NID20 can be installed on the inside or inwall such as big shell such as telecommunications case or distribution terminal.This NID20 also comprises optical hardware and the equipment (not shown) that is installed in the inner chamber that is limited by this NID, and this hardware and equipment are used to transmit the communication service that is provided by described service supplier.Usually the connection optical fiber that is connected with user communication device is connected with the outer connector ports 22 from this NID20 inside and is common in the mode of any known and preceding be connected the optical fiber connection of branch cable 24.
This branch cable opening 26 is positioned at the outer wall of this NID20, and is preferably located on the chassis of this NID, and this opening comprises one or more architectural feature of the base 28 that is used to engage described outer connector ports 22.In described embodiment, this architectural feature comprises the tab 30 that is suitable for being contained in the respective grooves 32 that limits by this base 28.When the lid (not shown) of this NID20 is positioned at open position at this base 28 of internal fixation of branch cable opening 26.Then should before connect branch cable 24 and be connected the connection of optical fiber (not shown) usually with outer connector ports 22 from NID inside.Connect in case form this optics, thereby the described outer connector ports 22 of unauthorized access can be protected, sealed and/or prevent in this 34 top that is arranged at described base 28.In some NID design, thereby this NID comprises that two or more can independently open to expose and lids to the visit of a plurality of zones are provided, and is referred to as " compartment " of NID here.For example, can open first by user and service supplier is included in user's compartment of optic terminal with exposure and is used for device with known manner test subscriber line and user communication device working condition.Usually second (not shown) that is referred to as service supplier's inlet can only be opened by the service supplier that hope enters.For limiting server supplier visits external connection port 22, this base 28 and lid 34 can be inserted into the described leading in cable opening 26 of second student portion that is arranged in.On the contrary, lid 34 can be arranged between first and second of NID, prevent unauthorized access simultaneously lid external connection port 22 to allow the described external connection port 22 of service supplier and user capture simultaneously.
Preferably this NID20, base 28 and cover 34 by lightweight but the material of rigidity is made this material such as aluminium, plastics or thermoplastic.If necessary, can horizontal and/or vertical timber be set to strengthen and to prevent that described base 28 and lid 34 are distorted to base 28 and lid 34.This base 28 is defined for jointly with lid 34 and holds described outer connector ports 22 and be connected optical fiber and the small outline package that preceding is connected branch cable 24 ends.This base 28 has any type with lid 34 and is applicable to and holds outer connector ports 22 and be connected optical fiber and the shape that preceding is connected branch cable 24 ends, suppose one or another whole qualification, perhaps configuration is used for bearing the fixture 38 that is used for fixing the outer connector ports 22 adjacent with described branch cable opening.The base 28 of embodiment shown in Figure 1 and lid 34 are usually vertically than laterally longer.Preferably, thus lid 34 can be removably connects the non-interfering visit that provide for outer connector ports 22 in base 28.Alternatively, base 28 and lid 34 are provided with traditional fastener that the two is fixed together with tight structure.Can also and cover at described base 28 thereby the sealing that packing washer provides opposing poor environment factor, this poor environment such as invasion, dirt, dust, humidity and storm are set between 34.
Illustrative embodiments shown in Figure 1 comprises and is used for being connected to one or more outer connector ports 22 from the connection optical fiber of this NID20 inside with connecting branch cable 24 before single.Although an outer connector ports 22 only is shown among the figure, disposing base 28 and lid 34 to those skilled in the art, to make it hold a more than outer connector ports 22 be can imagine and conspicuous.Therefore, can consider to connect branch cable 24 before this NID20 can hold more than one, but each contains the optical fiber on each optical fiber that one or more optics is connected to described Networks of Fiber Communications.
Referring again to Fig. 1, shown preceding connection branch cable 24 pass by base 28 and lid 34 at least one of them groove that limits 40 enter base 28 and lid 34.Usually the lower wall that advanced this NID20 install connect before this branch cable 24 make the minor face of this branch cable 24 extend and form in known manner along the bottom of this NID20 drip loop with the guiding moisture away from this NID20.In these base 28 inside, connector body 42 is fixed on the fixture 38.Can adopt screw nut 44, snap fit, pressure fitted or other similar stationary installations at described this connector body 42 of fixture 38 internal fixation.The connector 46 that connects branch cable 24 ends before being arranged in enters base 28 from the outside of NID20 and inserts the connector body of described outer connector ports 22.Remove and to cover 34 (not shown), the field technician is being installed to described connector body 42 on the fixture 38 and optionally the connector 46 of preceding connection branch cable 24 is being connected to the inside that can touch base 28 when drawing on the matching connector of the connection optical fiber of NID20 inside at an easy rate.In case connector body 42 initially has been installed and has been connected to the described preceding connection branch cable 24 that is connected optical fiber, the field technician can dismantle branch cable 24 or reconfigure (for example connecting different) branch cable 24 under portion influence equipment and is contained in by the situation of optics in the inner chamber of NID20 qualification and/or electronics web member subsequently.
With reference to Fig. 2, there is shown the notch portion that comprises according to the NID20 of the internal connector port 22 of another embodiment of the present invention structure, removed the lid of this NID20 simultaneously, thus the inner chamber that has exposed this NID20 with and internal structure.As described in above-mentioned embodiment, NID20 shown in Figure 2 wishes to include but not limited to any shell, container or outer cover, such as such as NID, block entrance end (BET), by or the base bought for the user or optical network unit (ONU) thus obtain communication service from service provider.This NID20 can have arbitrary dimension and shape, supposes that it defines branch cable opening 26 on the outer wall of this NID20.As mentioned above; by protecting this NID inside not to be subjected to the packing ring of poor environment factor such as invasion, dirt, dust, humidity and damage by storm to occupy this branch cable opening 26, and this packing ring can be removed and be improved (for example cutting) and passes through to allow branch cable.But, in this embodiment, occupy described branch cable opening 26 by the plug 50 that is positioned at described branch cable opening 26 inside, and have by wherein being used to hold and guide preceding circle or the cylindrical passageway 52 that branch cable 24 enters NID20 that connect.In the embodiment shown, plug 50 constitutes by two, fixes for these two to center on preceding connection branch cable 24 and be positioned at branch cable opening 26 inside.
As mentioned above, described branch cable opening 26 is positioned at the outside of described NID20, and is preferably located in the chassis of this NID, and comprises that one or more is used for the architectural feature in conjunction with plug 50.In the embodiment shown, this architectural feature comprises the tab 30 that is suitable for being contained in the respective grooves 32 that limits by this base 28.When the lid of NID20 was shown in an open position, described plug 50 was positioned at branch cable opening 26 inside, and the end of preceding connection branch cable 24 extends in the inner chamber of this NID20.Described internal connector port 22 is fixed on the support 54 that is installed in this NID20 inside surface, for example the rear wall of this NID20.This support 54 has a plurality of holes 56 of passing wherein, thus described hole 56 be used for holding securing member 58 or similarly fastener described support is fixed on the inside of the inner chamber of this NID20.Dispose this support 54 and make its mounted connector socket 42, as mentioned above, this connector body 42 is used for optionally will connecting the end of optical fiber and preceding is connected branch cable 24 and links together.Preferably, axially align connector body 42 and the passage 52 that forms by plug 50.Preferably the material of rigidity constitutes by lightweight for plug 50 and support 54, such as aluminium, plastics or thermoplastic.In addition, described support 54 and plug 50 can have be suitable for mounted connector socket 42 arbitrarily and hold before be connected the shape of branch cable 24.
Described connection optical fiber (not shown) is drawn from the inside of this NID20, and is inserted into an end of described connector body 42.To extend into then the other end that the preceding connection branch cable 24 among the NID20 is inserted into connector body 42 make the end of described connection optical fiber with preceding be connected the inside of branch cable 24 and connect at this NID20.Connection branch cable 24 is connected with described connector port 22 before when opening the lid (not shown) of this NID20, thereby exposes the inner chamber of this NID20.Along with opening described lid, the field technician can visit connector body 42 at an easy rate when connecting on the branch cable 24 before selectivity will connect optical fiber and be connected to.In case connector body 42 initially has been installed and has been connected to the described preceding connection branch cable 24 that is connected optical fiber, the field technician can only dismantle branch cable 24 or reconfigure (for example connecting different) branch cable 24 by the lid of opening described NID20 in known manner subsequently.
Illustrative embodiments shown in Fig. 2 comprises and is used for being connected to one or more outer connector ports 22 from the connection optical fiber of this NID20 inside with connecting branch cable 24 before single.Although an outer connector ports 22 only is shown among Fig. 2, disposing plug 50 and support 54 to those skilled in the art, to make it hold a more than outer connector ports 22 be can imagine and conspicuous.Therefore, can consider to connect branch cable 24 before this NID20 can hold more than one, but each contains the optical fiber on each optical fiber that one or more optics is connected to described Networks of Fiber Communications.
Should precedingly connect branch cable 24 and enter this NID20 through the passage 52 that is formed by plug 50, described plug 50 is installed in the inside of the branch cable 26 that is limited by the NID20 outer wall.Connection branch cable 24 made the minor face of this branch cable 24 extend and form in known manner drip loop along the bottom of this NID20 to guide moisture away from this NID20 before common lower wall through this NID20 was installed this.Connect before described in the inner chamber that branch cable 24 ends extend to NID20 and and be connected with connector body 42.In the inner chamber of this NID20, preceding connection branch cable 24 is fixed on the support 54.As shown in the figure, pass the part that support 54 inserts connector body 42.Can adopt screw nut 44, snap fit, pressure fitted or other similar stationary installations in described support 54, to fix described connector body 42.
Referring now to Fig. 3, another illustrative embodiments configuration according to the present invention shown in the figure is positioned at the plug 50 that is arranged on the branch cable opening 26 on this NID20 wall.This plug 50 defines circle or cylindrical channel 52, connects branch cable 24 before this passage is used to hold.As mentioned above, connector body 42 is fixed on the described plug 50, then the groove that limits at branch cable opening 26 or the inwall by this NID20 or outer wall or this plug of positioned internal of similar opening.As shown in the figure, form passage 52 by two thin slices, this thin slice is combined together to form plug 50, and wherein each thin slice limits the semi-circular portions of this passage 52.The plug that comprises connector body 42 preferably includes lightweight and the material of rigidity, such as aluminium, plastics or thermoplastic.In the mode that is fit to connector body 42 is fixed to and makes the longitudinal axis of the described passage 52 of center fundamental sum of connector body 42 overlap on the described plug.Preferably, at the inner chamber of this NID20 this plug 50 is set, connector body 42 is arranged in the inner chamber of this NID20 simultaneously.In embodiment shown in Figure 3, the part of inserting described connector body 42 through plug 50 makes this end that connects device socket 42 in abutting connection with this passage 52.Can adopt screw nut 44, snap fit, pressure fitted or other similar stationary installations that described connector body 42 is fixed on the plug 50.Thereby be connected before the end (not shown) of the preceding connection branch cable 24 that connects that the optical fiber (not shown) is connected with first end from the connector body 42 of this NID20 inside and draw from described NID20 outside and second end permission of described connector body 42 branch cable 24 optical fiber can with above-mentioned mode be connected optical fiber and interconnect easily.Therefore, this plug 50 is used for connecting branch cable 24 before the user resident place holds.
As previously mentioned, branch cable opening 26 comprises the one or more architectural features that are used for interlock plug 50.For example, architectural feature can comprise be suitable for the pair of joint sheet that is received in the corresponding groove 32 that is limited by plug 50.When the lid (not shown) of NID20 during in the position of opening, plug 50 can be positioned at branch cable opening 26.When making the optics connection as mentioned above, the lid of NID20 is closed further plug 50 is fastened in the branch cable opening 26.Plug 50 can be located at serve the provider visit the lid below branch cable opening 26 in, thereby the restriction to connector body 42 and the visit that is connected optical fiber.Thereby though described the inner chamber that this embodiment connector body 42 is positioned at NID20, thereby can imagine and it will be apparent to those skilled in the art that plug 50 can be positioned at branch cable opening 26 passages 52 and be positioned at the inner chamber of NID20 and the outside that connector body 42 is positioned at NID20.Be positioned at connector body 42 under the situation of outside of NID20, first end of connector body 42 and second end can be put upside down to allow pre-connection branch cable 24 more easily to be inserted into connector body 42 from the outside of NID20.
Being applicable to NID and can operating and be used for easily and will provide many significant advantages with illustrative embodiments in this demonstration and description from the pre-connection optic drop cables of NID outside from the connector port that is connected optical fiber interconnections of NID inside.Only for example purposes, and be not as restriction, connector port constructed according to the invention easily connects, disconnects for field technician's providing capability and to be retrofitted in outer wall with NID adjacent, in the inner chamber of NID or pass through pre-connection optic drop cables in the plug and play connector port of outer wall of NID.In addition, between initial installation period, can send to connector port from the connection optical fiber of NID inside, thereby not need to enter NID to connect the pre-connection branch cable the initial random time field technician that the back is installed.Thereby NID constructed according to the invention and connector port do not need on-the-spot with the optic drop cables fusion bond or be mechanically coupled to optical fiber to connect the user to optical communication networks.
Fig. 4 shows the NID20 that optical electronic interface device 104 wherein is installed to printed circuit board (PCB) (PCB) 108.NID20 is provided with sleeve pipe 102 (Fig. 6) so that at least one fiber of sleeve pipe 102 and optical electronic interface device 104 direct optical communications thereby connector body 110 is arranged in.The phrase of Shi Yonging " directly optical communication " is meant by the element of physics contact or by the light of advancing through the air gap between the element and carries out the direct transmission of light between two element herein.For example, the not directly optical communication of two elements that connects by optical fiber.Thereby be provided with serve provider's access door 106 only when door 106 as shown in Figure 4 when being opened connector body 110 just addressable for the field technician.When door 106 is closed, inaccessible connector body 110.In the exemplary embodiment, connector body 110 is connected to the rear wall 120 of NID20.In one embodiment, sleeve pipe 102 is set so that at least one fiber and the optical electronic interface device 104 direct optical communications in the sleeve pipe 102, but optical electronic interface device 104 is not installed to PCB 108.
In use, and use downstream stream (some embodiments of NID20 allow upstream and downstream communication) as an example, light enters NID20 and entered connector body 110 before leaving sleeve pipe 102 and entering optical electronic interface device 104 subsequently by pre-connection branch cable 24.Optical electronic interface device 104 will be converted to electronic signal in the optical data in the light that receives with traditional mode subsequently.In the exemplary embodiment, because optical electronic interface device can transmission and receiving optical signal and electronic signal, optical electronic interface device 104 is optical transceiver and electronics transceiver.Yet, consider that benefit of the present invention is to have less functional interface, for example receiving optical signal and only transmit the transceiver of electric signal only.
Fig. 5 shows the NID20 that wherein optical electronic interface device 104 and connector body 110 are installed to printed circuit board (PCB) (PCB) 108.NID20 is provided with sleeve pipe 102 (Fig. 6) so that at least one fiber of sleeve pipe 102 and optical electronic interface device 104 direct optical communications thereby connector body 110 is arranged in.Though show the connector body 110 that is provided with towards the edge of PCB 108, other embodiments have the connector body 110 of more central setting on PCB108.
Fig. 6 shows the sleeve pipe 102 that is connected with optical electronic interface device 104 in one embodiment.Fig. 7 shows the embodiment that optical electronic interface device 104 wherein has a plurality of openings 112 that are used to hold a plurality of connector lugs 114.Typically, connector lug 114 is used for connector 46 is aimed at for example socket of connector body 110.As shown in Figure 7, lug 114 also can provide and the aiming at of optical electronic interface device 104.
Fig. 8 shows wherein than the stretch out embodiment of sleeve pipe 102 of less distance of lug 114.Fig. 9 shows the distance D 1 between sleeve pipe 102 and optical electronic interface device 104.In the exemplary embodiment, sleeve pipe 102 contacts with optical electronic interface device 104 physics, and D1 is zero.In other embodiments, D1 non-zero and can changing according to accepting which kind of loss.As mentioned above, strain relief and environmental sealing are provided in one embodiment.Though show the multifilament sleeve pipe 102 of five fibers, sleeve pipe can have the fiber of any amount, comprises single fiber sleeve.In addition, as mentioned above, can consider the connector of any type.In addition, though show public plug on the branch cable and the female plug seat among the NID, connector body 110 can the time either gender or both sexes.In other words, connector body 110 holds sleeve pipe 102 and is " socket " therefore, but to be not limited to be female accessory of installing to connector body 110.Can consider that connector body 110 can be the connector type that can hold sleeve pipe.In addition, in one embodiment, around sleeve pipe 102 and optical electronic interface device 104, guard shield is set, thereby sleeve pipe 102 and optical electronic interface device 104 shield electromagnetic interference (EMI).
Be the explanation of a plurality of embodiments of the present invention of only providing by example explanation above.Though described the connector port that uses and be applicable to NID in optical-fiber network with reference to preferred implementation and its example, other embodiments can be carried out similar function and/or obtain similar result with example.Embodiment that all these are equal to and example are within the spirit and scope of the present invention and be intended to by claims included.Though adopted specific term at this, it is only used in general and descriptive meaning and is not purpose for restriction.
Claims (20)
1, a kind of optics connected system comprises:
Design is used for holding the connector body that at least one connects optical fiber in sleeve pipe; And
Be arranged in optical electronic interface device with the direct optical communication of described optical fiber.
2, system according to claim 1 is characterized in that, optical electronic interface device contacts with described optical fiber physics.
3, system according to claim 1 is characterized in that, described connector body and optical interface all are connected to printed circuit board (PCB).
4, system according to claim 3 is characterized in that, described printed circuit board (PCB) is arranged in Network Interface Unit.
5, system according to claim 1 is characterized in that, described optical interface is connected to printed circuit board (PCB).
6, system according to claim 5 is characterized in that, described printed circuit board (PCB) is arranged in Network Interface Unit.
7, system according to claim 6 is characterized in that, described Network Interface Unit comprises rear wall, and described connector body is connected to the described wall near described printed circuit board (PCB).
8, system according to claim 5 is characterized in that, only serves provider's access door when being opened on being arranged on described Network Interface Unit, and connector body is addressable to the field technician.
9, system according to claim 1 is characterized in that, described optical fiber comprises the pre-connection optic drop cables.
10, a kind of Network Interface Unit comprises:
Rear wall;
Be installed in the printed circuit board (PCB) of described rear wall;
Be positioned at the optical electronic interface device on the described printed circuit board (PCB); And
The optical conenctor that comprises at least one optical fiber that is positioned at sleeve pipe, wherein said optical fiber and the direct optical communication of described optical electron interface.
11, Network Interface Unit according to claim 10 is characterized in that, described connector is arranged in the socket that is directly installed on described printed circuit board (PCB).
12, Network Interface Unit according to claim 10 is characterized in that, described connector is arranged in the socket that is directly installed on described rear wall.
13, Network Interface Unit according to claim 10 is characterized in that, described connector is the connector of pre-connection optic drop cables.
14, Network Interface Unit according to claim 13 is characterized in that, only serves provider's access door when being opened on being arranged on described Network Interface Unit, and connector is addressable to the field technician.
15, Network Interface Unit according to claim 14 is characterized in that, at least one of described fiber and described sleeve pipe contacts with described optical electron interface physics.
16, a kind of method comprises:
The optical fiber that is arranged in sleeve pipe is provided; And
Optical fiber is arranged in the direct optical communication with the optical electron interface.
17, method according to claim 16 is characterized in that, also comprises optical fiber is arranged in the connector body.
18, method according to claim 16 is characterized in that, also comprises optical fiber is arranged in the connector body that is installed on the printed circuit board (PCB).
19, method according to claim 16 is characterized in that, also comprises optical fiber is arranged in the connector body that is installed in the Network Interface Unit.
20, method according to claim 16 is characterized in that, also comprises optical fiber is arranged in the connector body on the wall that is installed in Network Interface Unit.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US60769604P | 2004-09-07 | 2004-09-07 | |
| US60/607,696 | 2004-09-07 | ||
| US11/125,302 | 2005-05-09 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1922523A true CN1922523A (en) | 2007-02-28 |
Family
ID=37779346
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200580005678 Pending CN1922523A (en) | 2004-09-07 | 2005-09-07 | Connector port for network interface device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1922523A (en) |
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