CN1981226A - Fiber access terminal - Google Patents
Fiber access terminal Download PDFInfo
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- CN1981226A CN1981226A CN 200580014709 CN200580014709A CN1981226A CN 1981226 A CN1981226 A CN 1981226A CN 200580014709 CN200580014709 CN 200580014709 CN 200580014709 A CN200580014709 A CN 200580014709A CN 1981226 A CN1981226 A CN 1981226A
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Abstract
A fiber access terminal for mounting to the end of a fiber distribution cable and configured to be extended through a buried conduit. The fiber distribution cable may include a plurality of optical fibers and enters a housing of the terminal through a base. The terminal also includes a plurality of fiber optic connectors or adapters extending through the housing in generally the same direction as the fiber distribution cable for connecting to optical fiber customer drop cables. The terminal includes a cover and the housing defining an interior and the interior includes a cable slack storage arrangement providing bend radius protection for the optical fiber cables within the interior. A method of assembling a fiber access terminal. A fiber access terminal assembly including a pedestal mounting arrangement.
Description
Background technology
Communication service based on the optical fiber expansion consumes in each trade company and family just morely.Many such expansion service that are in neighbourhood, manufacturing district and the business development area all adopt and are arranged in the fiber distribution cable of imbedding in the pipeline.This fiber distribution cable can extend to less fiber access terminal from bigger optical fiber distributing terminal or base, and this fiber access terminal is directly adjacent to the trade company and the family of the service of reception.From the fiber access terminal to the family or trade company, optical fiber tapping fiber cable (drop cable) can be connected to family or trade company.
The optical fiber distributing terminal can be configured to receive from the optical fiber of central station and comprise a plurality of shunts.Each optical fiber from central station can transmit a large amount of signals, and shunt is separated to composite signal in the single circuit.These single circuit transmit by single optical fiber then.Each from the optical fiber of main website can the incoming fiber optic distribution terminal a shunt, shunt is with in each signal guidance to 32 optical fiber then.Typical optical fiber distributing terminal can be configured to support 100 optical fiber to 1500 optical fiber.More normally less fiber access terminal can hold 8 or 12 optical fiber.Have 8 to 12 optical fiber that in single multiply optical cable, band together in the fiber distribution cable between optical fiber distributing terminal and the fiber access terminal.In fiber access terminal, these multiplies can be separated from the multiply optical cable, make each optical cable guide a unique user into.
At present, when optical cable when the optical fiber distributing terminal reaches fiber access terminal, can use multiple technologies to stretch and/or impel optical cable to pass pipeline.Yet this optical cable must stop and adopt the plug-in type connector at the fiber access terminal place.Termination is connected preferably with plug-in type to be carried out in ambient stable and shielded environment such as factory.The pollution of joint can be demoted or inhibition and user's communications between optical fiber, fiber end face or the optical fiber.
Expectation improves present fiber distribution cable and fiber access terminal.
Summary of the invention
The present invention relates to a kind of fiber access terminal assembly with fiber distribution cable, and a kind of fibre-optical splice box that is positioned at an end of fiber distribution cable.This fibre-optical splice box is configured to pass the hollow pipeline on the top with embedding direction location, edge and embeds pipeline.This fibre-optical splice box comprises terminal body (terminal body) and detachable lid, and this lid fits in and limits an inside, top and bottom.The bottom of fibre-optical splice box comprises first perforate, and fiber distribution cable enters the inside of fibre-optical splice box by this first perforate.Fiber distribution cable comprises a plurality of fibre bundles.Fibre bundle from optical distribution cable separately and with the joints of optical fibre stops in connector box inside.
Terminal body comprises a plurality of fiber adapter that extend through terminal body.Each adapter has: be arranged in the first end of inside, it is configured to receive a connector of fibre bundle; And the second end outside the inside of connector box.This second end is configured to receive the connector of the optical fiber tapping fiber cable that extends to fibre-optical splice box outside, and roughly extends along the direction of fiber distribution cable.Described inside comprises optical cable slack storage device (cable slackstorage arrangement), is used for the unnecessary cable length of arbitrary fibre bundle between the first end of storing fiber optic optical distribution cable and adapter.This optical cable slack storage device also provides the bending radius protection for the fibre bundle that is stored in the optical cable slack storage device.
The invention still further relates to a kind of method that fiber access terminal is assembled to the fiber distribution cable end.This terminal comprises the connector box that is limited by shell and lid.In the shielded place of environment, first perforate that fiber distribution cable is passed shell extends to enclosure and is fixed on stress buffer portion.A plurality of fibre bundles separate from the fiber distribution cable of connector box body interior.Each fibre bundle stops with the joints of optical fibre of connector box body interior.The fibre bundle of enclosure extends around inner optical cable slack storage device.The joints of optical fibre connect in the fiber adapter of a plurality of couplings.Fiber adapter passes shell and extends to housing exterior internally, and it comprises the second end of enclosure, and it is used to connect the joints of optical fibre of coupling.The second end is configured to receive the optical fiber tapping fiber cable that extends from the direction identical with fiber distribution cable usually.Described lid is positioned to the perforate side and the inside of closure, and forming the fibre-optical splice box, this fibre-optical splice box is configured to pass imbeds pipeline.
The invention still further relates to a kind of fiber access terminal assembly, the fibre-optical splice box and the base erecting device at the second end place that it comprises fiber distribution cable with first end and the second end, be positioned at fiber distribution cable.This fibre-optical splice box comprises terminal body and detachable lid, and this lid fits in and limits an inside, top and bottom.The bottom of fibre-optical splice box comprises first perforate, and fiber distribution cable enters the inside of fibre-optical splice box by this first perforate.Fiber distribution cable comprises a plurality of fibre bundles, and the optical distribution cable of a plurality of fibre bundles and connector box inside separates and stops with the joints of optical fibre.Terminal body comprises a plurality of fiber adapter that extend through terminal body.Each adapter has first end, the connector that it is arranged in inside and is configured to receive the inside fibre bundle, and the second end that can insert from the terminal body outside, this second end is configured to receive the connector of the optical fiber tapping fiber cable that extends to fibre-optical splice box outside.Described inside comprises optical cable slack storage device; be used to be stored in the unnecessary cable length of arbitrary fibre bundle between the first end of fiber distribution cable and adapter, this optical cable slack storage device also provides the bending radius protection for the fibre bundle that is stored in the optical cable slack storage device.
Description of drawings
The part of instructions is incorporated and constituted to the accompanying drawing of enclosing into, and they show several aspect of the present invention and detailed description, and be used to illustrate principle of the present invention.Brief description of the drawings is as follows:
Fig. 1 is first skeleton view according to fiber access terminal of the present invention.
Fig. 2 is second skeleton view of the fiber access terminal of Fig. 1.
Fig. 3 is first side view of the fiber access terminal of Fig. 1.
Fig. 4 is second side view of the fiber access terminal of Fig. 1, and its side view from Fig. 3 approximately has been offset 90 degree.
Fig. 5 is the top view of the fiber access terminal of Fig. 1.
Fig. 6 is the backplan of the fiber access terminal of Fig. 1.
Fig. 7 is first skeleton view that the terminal body of the fiber access terminal of Fig. 1 is seen from its bottom.
Fig. 8 is second skeleton view of the terminal body of Fig. 7, and it shows the bottom of most of terminal body.
Fig. 9 is three skeleton view of the terminal body of Fig. 7 from the top relative with the bottom.
Figure 10 is first side view of the terminal body of Fig. 7.
Figure 11 is second side view of the terminal body of Fig. 7, and its side view from Fig. 9 approximately has been offset 90 degree.
Figure 12 is the top view of the terminal body of Fig. 7.
Figure 13 is the backplan of the terminal body of Fig. 7.
Figure 13 is the skeleton view according to second embodiment of fiber access terminal of the present invention.
Figure 14 is the decomposition diagram of the fiber access terminal of Figure 13.
Figure 15 is first side view of the fiber access terminal of Figure 13.
Figure 16 is second side view of the fiber access terminal of Figure 13, and its side view from Figure 15 approximately has been offset 90 degree.
Figure 17 is the 3rd side view of the fiber access terminal of Figure 13, and its side view with Figure 16 is opposite.
Figure 18 is the top view of the fiber access terminal of Figure 13.
Figure 19 is the backplan of the fiber access terminal of Figure 13.
Figure 20 is first skeleton view of terminal body of the fiber access terminal of Figure 13.
Figure 21 is second skeleton view of the terminal body of Figure 20.
Figure 22 is first side view of the terminal body of Figure 20.
Figure 23 is second side view of the terminal body of Figure 20, and its side view with Figure 22 is opposite.
Figure 24 is the rear view of the terminal body of Figure 20.
Figure 25 is the skeleton view of terminal fabricated section that the fiber access terminal of Figure 13 is installed.
Figure 26 is the front elevation of the terminal fabricated section of Figure 25.
Figure 27 is the front elevation according to the 3rd embodiment of fiber access terminal of the present invention, accesses terminal bottom fiber distribution cable is passed simultaneously.
Figure 28 is the front elevation of the terminal of Figure 27, and lid is opened simultaneously, and fiber distribution cable is extended at terminal inner.
Figure 29 is the skeleton view of the terminal of Figure 28.
Figure 30 is the side view of the terminal of Figure 27, and its side view from Figure 27 approximately has been offset 90 degree, but does not have fiber distribution cable.
Figure 31 is the end-view of the terminal bottom of Figure 30.
Figure 32 is the end-view on the terminal top of Figure 30.
Figure 33 is the skeleton view at the terminal back side of Figure 30.
Figure 34 is the skeleton view of the terminal side of Figure 30.
Figure 35 is the skeleton view of the terminal front side of Figure 30.
Figure 36 is second skeleton view at the terminal back side of Figure 33.
Figure 37 is the skeleton view of second side of the terminal of Figure 30.
Figure 38 is the front elevation of the terminal of Figure 30, has opened lid simultaneously so that terminal inner to be shown.
Figure 39 is the side view of the terminal of Figure 38.
Figure 40 is the end-view of the terminal bottom of Figure 38.
Figure 41 is the end-view on the terminal top of Figure 38.
Figure 42 is the front perspective view of the terminal of Figure 38.
Figure 43 is second front perspective view of the terminal of Figure 38.
Figure 44 is the side perspective view of the terminal of Figure 38.
Figure 45 is second side perspective view of the terminal of Figure 38.
Figure 46 is the back perspective view of the terminal of Figure 38.
Figure 47 is that it comprises the base erecting device according to the skeleton view of the 4th alternative embodiment of fiber access terminal of the present invention.
Figure 48 to 51 is the fiber access terminal of Figure 47 and four side views of base, and it has each other approximately rotated 90 degree.
Figure 52 is the fiber access terminal of Figure 47 and the top view of base.
Figure 53 is the fiber access terminal of Figure 47 and the backplan of base.
Figure 54 is the fiber access terminal of Figure 47 and the decomposition diagram of base.
Figure 55 is the skeleton view that the fiber access terminal of Figure 47 is pulled down from base.
Figure 56 is the top view of the fiber access terminal of Figure 55.
Figure 57 is the backplan of the fiber access terminal of Figure 55.
Figure 58 to 61 is the fiber access terminal of Figure 55 and four side views of base, and it has each other approximately rotated 90 degree.
Figure 62 is the decomposition diagram of the fiber access terminal of Figure 55, and bottom a plurality of fibre-optic telecommunication cable incoming fiber optics accessed terminal simultaneously, single optical fiber was drawn towards each optical fiber tap connector.
Figure 63 be insert Figure 62 the fiber access terminal bottom many fibres (multi-fiber) communications optical cable near observing view (closer view).
Figure 64 is to 67 being four side views having removed the fiber access terminal of lid among Figure 62.
Figure 68 is a top view of having removed the fiber access terminal of lid among Figure 62.
Figure 69 is a backplan of having removed the fiber access terminal of lid among Figure 62.
Figure 70 is first skeleton view according to the fiber access terminal shell of the 5th alternative embodiment of fiber access terminal of the present invention.
Figure 71 is second skeleton view of the fiber access terminal shell of Figure 70.
Figure 72 is the outside back view of the fiber access terminal shell of Figure 70.
Figure 73 is the side view of the fiber access terminal shell of Figure 70.
Figure 74 is the view in front, inside of the fiber access terminal shell of Figure 70.
Figure 75 is the sectional view that the fiber access terminal of Figure 70 sections along the line 75-75 among Figure 74.
Figure 76 be Figure 70 the fiber access terminal shell the connector installation site near observing view.
Figure 77 is the bottom sectional view that sections along the line 77-77 of Figure 74 in the fiber access terminal shell of Figure 70.
Figure 78 is the top view of fiber access terminal shell of Figure 70 and the part sectioned view that sections along the line 78-78 among Figure 72.
Figure 79 is the backplan of fiber access terminal shell of Figure 70 and the part sectioned view that sections along the line 79-79 among Figure 72.
Figure 80 is lid first skeleton view that the fiber access terminal shell with Figure 70 uses together.
Figure 81 is second skeleton view of the lid of Figure 80.
Figure 82 is the inside elevation view of the lid of Figure 80.
Figure 83 is the side view of lid of Figure 80 and the part sectioned view that sections along the line 83-83 among Figure 82.
Figure 84 is the outside back view of the lid of Figure 80.
Figure 85 is the bottom sectional view that the lid of Figure 84 sections along the line 85-85 among Figure 84.
Figure 86 is the partial exploded view of the fiber access terminal shell of Figure 70, and the threaded fastening insert of part is decomposed simultaneously.
Figure 87 be Figure 86 fiber access terminal an end near observing view, it shows two threaded fastening inserts that are decomposed.
Figure 88 is the sectional view that is positioned at a threaded fastening insert in the perforate of fiber access terminal shell of Figure 86.
Figure 89 is the inside front perspective view of the fiber access terminal shell of Figure 70, and it has the joints of optical fibre of three reinforcements in the installation perforate that is installed in shell and from another the 4th joints of optical fibre that perforate is decomposed is installed.
Figure 90 is first skeleton view that inserts optical fibre clip half part that the lid of shell and Figure 80 uses together with the optical fiber of Figure 70.
Figure 91 is second skeleton view of the optical fibre clip of Figure 90.
Figure 92 is the side view in the optical fibre clip outside of Figure 90.
Figure 93 is the side view of the optical fibre clip inboard of Figure 90.
Figure 94 is the end sectional view that the optical fibre clip of Figure 90 sections along the line 94-94 among Figure 92.
Figure 95 is the end sectional view that the optical fibre clip of Figure 90 sections along the line 95-95 among Figure 92.
Figure 96 is the end sectional view that the optical fibre clip of Figure 90 sections along the line 96-96 among Figure 92.
Figure 97 be Figure 93 optical fibre clip the oversheath clamping region near observing view.
Figure 98 be Figure 96 optical fibre clip the oversheath clamping region near observing view.
Figure 99 be Figure 95 optical fibre clip the optical cable wiring channel near observing view.
Figure 100 inserts the optical cable wiring that the lid of shell and Figure 80 uses together and the skeleton view of management insert with the optical fiber of Figure 70.
Figure 101 is the optical cable wiring of Figure 100 and first side of management insert.
Figure 102 is the optical cable wiring of Figure 100 and the edge view of management insert.
Figure 103 is first skeleton view according to the fiber access terminal shell of the 6th alternative embodiment of fiber access terminal of the present invention.
Figure 104 is second skeleton view of the fiber access terminal shell of Figure 103.
Figure 105 is the outside back view of the fiber access terminal shell of Figure 103.
Figure 106 is the side view of the fiber access terminal shell of Figure 103.
Figure 107 is the inside elevation view of the fiber access terminal shell of Figure 103.
Figure 108 is the sectional view that the fiber access terminal of Figure 103 sections along the line 108-108 among Figure 107.
Figure 109 is the sealing skeleton view of connector installation site of the fiber access terminal of Figure 103.
Figure 110 is the backplan of the fiber access terminal shell of Figure 103.
Figure 111 is the top view of fiber access terminal shell of Figure 103 and the part sectioned view that sections along the line 111-111 among Figure 105.
Figure 112 is the backplan of fiber access terminal shell of Figure 103 and the part sectioned view that sections along the line 112-112 among Figure 105.
Figure 113 is first skeleton view of the lid that uses together of the fiber access terminal with Figure 103.
Figure 114 is second skeleton view of the lid of Figure 113.
Figure 115 is the inside elevation view of the lid of Figure 113.
Figure 116 is the side view of lid of Figure 113 and the part sectioned view that sections along the line 116-116 among Figure 115.
Figure 117 is the outside back view of the lid of Figure 113.
Figure 118 is the bottom sectional view that the lid of Figure 113 sections along the line 118-118 among Figure 117.
Figure 119 inserts the optical cable wiring that the lid of shell and Figure 113 uses together and the skeleton view of management insert with the optical fiber of Figure 103.
Figure 120 is the optical cable wiring of Figure 119 and first side of management insert.
Figure 121 is the optical cable wiring of Figure 119 and the edge view of management insert.
Figure 122 is the optical cable wiring of Figure 119 and the backplan of management insert.
Figure 123 is the optical cable wiring of Figure 119 and the skeleton view of management insert, and multiple fiber cable is partly installed and connected up around insert simultaneously.
Figure 124 is the optical cable wiring of Figure 123 and the close view of observing in top of management insert, and the optical cable output terminal is installed on the insert simultaneously.
Figure 125 is first skeleton view according to the fiber access terminal shell of the 7th alternative embodiment of fiber access terminal of the present invention.
Figure 126 is second skeleton view of the fiber access terminal shell of Figure 125.
Figure 127 is the outside back view of the fiber access terminal shell of Figure 125.
Figure 128 is the side view of the fiber access terminal shell of Figure 125.
Figure 129 is the inside elevation view of the fiber access terminal shell of Figure 125.
Figure 130 is the sectional view that the fiber access terminal of Figure 125 sections along the line 130-130 among Figure 129.
Figure 131 is the sealing skeleton view of connector installation site of the fiber access terminal shell of Figure 125.
Figure 132 is the backplan of the fiber access terminal shell of Figure 125.
Figure 133 is the top view of fiber access terminal shell of Figure 125 and the part sectioned view that sections along the line 133-133 among Figure 127.
Figure 134 is the backplan of fiber access terminal shell of Figure 125 and the part sectioned view that sections along the line 134-134 among Figure 127.
Figure 135 is first skeleton view of the lid that uses together of the fiber access terminal shell with Figure 125.
Figure 136 is second skeleton view of the lid of Figure 135.
Figure 137 is the outside back view of the lid of Figure 135.
Figure 138 is the inside elevation view of the lid of Figure 135.
Figure 139 is the side view of the lid of Figure 135.
Figure 140 is the backplan of the lid of Figure 135.
Embodiment
Now will be at length with reference to each illustrative aspects of the present invention illustrated in the accompanying drawings.In any possible place, in institute's drawings attached, use identical reference number to represent same or analogous parts.
Fig. 1 to 4 shows the fiber access terminal 100 that is used to be installed on the fiber distribution cable.This terminal 100 comprises lid 102 and shell 104.Shell 104 comprises that central optical distribution cable inserts joint (entry fitting) 106 and a plurality of joints of optical fibre 108 that extend through shell 104.Lid 102 comprises the top 110 with tab 112.Rope, optical cable or lead that tab 112 is configured to allow to pass are connected to terminal 100, so that pulling terminal 100 is passed pipeline.In tab 112, form a perforate 114, be used to connect the rope, optical cable or the lead that pass.Go out as shown, terminal 100 is configured to receive the simple optical fiber optical distribution cable and is connected to eight optical fiber tapping fiber cables.These optical cables will extend to the shell 104 of terminal 100, can insert by the perforate bottom 116 of lid 102.
With reference now to Fig. 7 to 13,, shell 104 comprises bottom 122, and joint 106 and optical connector 108 extend through this bottom.Each optical connector 108 comprises first or inner end 138 and second or outer end 136, and extends through the connector openings (connector openings is invisible, has blocked because they are connected device 108) in the bottom 122.Two ends 136 and 138 are configured to receive and the coupling optical connector.Joint 106 defines the perforate 144 of the bottom 122 that extends through shell 104 equally, makes fiber distribution cable can pass bottom 122 and enters by lid 102 around inside that the inner structure 124 of terminal 100 is limited.This inner structure 124 comprises top 126, and it is positioned near in the lid 102 on top 110.The bottom is circumferential wall 128 around 122, and it is of a size of and is engaged in the lid 102 and closely cooperates with inwall near the lid 102 of bottom 116.At least one seal such as o shape O-ring seal 130 be 104 location around the bottom, so that between lid 102 and the shell 104 Weather sealed is provided.
A pair of perforate 134 extends through circumferential wall 128, is used to receive the securing member of the perforate 118 that extends through lid 102.The perforate 134 of a pair of securing member lug 132 is passed in formation, and the additional materials that extends within it is provided for securing member.A plurality of optical cable wiring guiding pieces 140 are used for providing optical cable slack storage and bending radius protection to the optical cable that extends in the terminal on the dividing plate 146 of the inner structure 124 between bottom 122 and the top 126.Outer wall 142 extends so that help optical cable is remained in the optical cable guiding piece 140 around dividing plate 146, and prevents to press from both sides contract (pinching) or other damage when lid 102 causes optical cable during 104 location around the bottom.Go out as shown, inner structure 124 is two sides structures, has the similar arrangement of optical cable guiding piece 140 and outer wall 142 on each face.A plurality of perforates 148 are extended between the opposite flank of inner structure 124, and the optical cable tab 150 of a plurality of optical cable guiding pieces 140 is near each perforate 148 location.The optical cable that passes the optical cable guiding piece 140 on the side that is positioned at inner structure 124 can pass a perforate 148 to pass an optical cable guiding piece 140 of opposite side, is directed to an inner end 138 of connector 108 then.Provide a plurality of tabs 150 to be used for keeping optical cable around optical cable guiding piece 140.The tab 150 and the perforate 148 that illustrate are positioned in close, but also can consider other structure.
Inner structure also can comprise the stress buffer portion structure of optical distribution cable knot or close joint 106, thereby the fiber distribution cable that extends through perforate 144 can be firmly held in the terminal 100.
With reference now to Figure 14 to 20,, it shows second embodiment 200 according to fiber access terminal of the present invention.Shown in Figure 14 and 15, terminal 200 comprises lid 202 and has the shell 204 on top 226.A plurality of securing members 231 extend through the perforate 234 of lid 202, and are received in the securing member lug 232 of shell 204, so that releasedly lid 202 is remained on the shell 204.Fiber distribution cable joint 106 extends through the bottom 222 of shell 204, so that allow the passage of fiber distribution cable to pass the inside 203 that shell 204 enters terminal 200.A plurality of joints of optical fibre 108 are positioned near near the fiber cable joint 106 of bottom 222.
Optical cable guiding piece 240 can comprise one or more tabs 250, is used to help the optical cable in inner 203 to be in desired locations with slack storage and bending radius protection.Wall 242 extends around shell 204, and it comprises coboundary 229.Coboundary 229 preferably defines a plane, makes lid 202 closely to cooperate with shell 204.Seal such as packing ring 230 (not illustrating in the drawings) can be positioned between coboundary 229 and the lid 202 with help to form to inner 203 Weather sealed.
With reference to Figure 20, joint 106 comprises and extends through bottom 222 to inner 203 perforates 144 that enter with the permission fiber distribution cable.In Figure 20, can see four in eight connectors 108, they are arranged in the semicircle of joint 106.These four connectors 108 are installed by the installation surface of 222 location around the bottom.The outer end 136 relative perforate 144 and joint 106 radial skews of each visible connector 108.Can see in Figure 21 to 24 that this inclination helps to insert the outer end 136 that connects the optical fiber tapping fiber cable, so that provide work to connect near the inclination of those connectors 108 of joint 106 between user and fiber distribution cable.
As what seen from Figure 21 to 24, other four connectors 108 are arranged in the semicircle also outward-dipping similarly, although they are positioned between bottom 222 and the top 226.One narrow convergence region 260 is provided in shell 204, makes these second group of four connector desirably to position, and can not increase the overall width of terminal 200.Be similar to terminal 100, terminal 200 is configured to pass imbeds pipeline, to expand fiber connectivity between optical fiber distributing terminal and fiber access terminal.Because the diameter of these pipelines is restricted, therefore expectation is the layout that shell 204 provides a kind of like this connector 108, that is, it improves the access that connects tapping fiber cable, can exceedingly not increase the overall width of terminal 200 simultaneously.These four connectors 108 that convergence region 260 can be 222 skews from the bottom provide installation surface 262, and to insert this four connectors 108 with four connectors, the 108 approximately uniform width that are installed on the surface 258.
All eight connectors 108 allow tapping fiber cables to be connected to the user, this tapping fiber cable usually from the identical direction of fiber distribution cable that enters inner 203 by joint 106 and perforate 144.Figure 25 and 26 shows in terminal fabricated section 270 from the fabricated section of the bottom 272 280 upwardly extending terminals 200 to the top is installed.Terminal 200 is installed on the internal partition 271; this internal partition also is equipped with a plurality of optical cable wiring guiding pieces 274 so that bending radius protection and optical cable slack storage are provided, and this optical cable slack storage can be used for multi-fiber fiber optic optical distribution cable 276 or a plurality of user's tapping fiber cable 278.By the installing terminal shown in Figure 25 and 26 200, joint 106 and connector 108 are down located, and fall so that prevent pollutant.By all optical cables 276 and 278 are directed to terminal 200 from same direction, promptly 222 be directed to terminal 200 from the below towards the bottom, can simplify the fiber optic cable management in the terminal fabricated section 270.Can predict, terminal fabricated section 270 can change and be configured to use together with aforesaid terminal 100, and and the alternative embodiment of fiber access terminal as described below use together.
Figure 27 to 29 shows the 3rd alternative embodiment 300 according to fiber access terminal of the present invention, and it has the fiber distribution cable 276 of the joint 106 that extends through bottom 322.Terminal 300 comprises lid 302 and shell 304, can limit an inside 303 when they center on hinge 316 sealings, as shown in figure 27.Shown in Figure 28 and 29, lid 302 has rotated to around hinge 316 and has exposed inner 303.Can be along side arrangement one latch 317 relative, so that lid 302 is remained on inner 303 shell 304 with hinge 316.Several optical cable guiding pieces 340 and fiber cable joint retainer 308 are installed in the inside 303 of lid 302, and described optical cable guiding piece is used to provide bending radius protection and optical cable slack storage.One optical cable knot or stress buffer portion 306 are installed, to receive and fixed fiber optical distribution cable 276 in the inside 303 of shell 304.Optical cable 276 is the multiply optical cables that are divided into single optical cable 310, and it can stop around 340 rotations of optical cable guiding piece and with optical connector 238, is connected to the inner end 138 of connector 108.
Can predict, optical cable 276 has connector 108 more optical fiber than terminal 300.These additional optical fiber can stop or not stop in advance, can standby (brokenout) and can use in inner 303.If impaired words in other optical cable 310 or the optical connector 238, these additional optical fiber can be used to as replacing connecting portion.If these additional optical fiber connector 238 of no use stops in advance, they can join on the connector 238 at the scene so.If desired, joint unit 308 is set in inner 303 so that keep and protect this joint unit.
Can form tab 312 at 326 places, top of terminal 300 with perforate 314.This tab 312 is similar to aforesaid tab 112, and it can provide a knot that is used for connecting line, imbeds pipeline to the fiber access terminal fabricated section that is similar to fabricated section as implied above 270 so that pulling terminal 300 is passed from the optical fiber distributing terminal.Also with reference to Figure 30, shell 304 comprises a plurality of installation surface 358,359,362 and 363 that are used for mounted connector 108 now.Be the convergence region 360 that narrows down between installation surface, this convergence region 360 has the effect that is similar to aforesaid convergence region 260.Connector 108 opposing tabs 106 tilt, but being similar to terminal 200 ground is configured, and point to downwards to receive optical cable 278.
With reference now to Figure 31 and 32,, when from the bottom 322 when seeing, two connectors 108 of the most approaching bottom 322 can block remaining six connector 108, and when from the top 326 when seeing, two connectors 108 near top 326 can block remaining connector 108.Installation surface 358,359,362 and 363 cooperates with convergence region 360, so that guarantee that the outer end 136 of connector 108 is outward-dipping and can insert along shell 304, but can exceedingly not increase the size of terminal 300.Figure 33 to 37 provides the additional views that has lid 302 and center on the shells 304 of inner 303 sealings.Figure 38 to 46 provides the additional views of the terminal 300 with lid 302 of opening around hinge 316.With reference to Figure 42, lid 302 can comprise the dimple 338 around inward flange, and shell 304 comprises coboundary 339.Dimple 338 and edge 339 forms sealing between lid 302 and shell 304 when cooperating with box lunch around inner 303 closed terminal 300.Can in dimple 338, locate a seal such as o shape O-ring seal or packing ring to improve sealing.With reference to Figure 43 and 44, a pair of optical cable retainer 380 can arrange that so that keep optical cable 310 releasedly, it is interior but initial being connected with one of them connector 108 that optical cable 310 can be comprised in optical distribution cable 276 along the inwall 382 of shell 304.Replacedly, optical cable retainer 380 can be with the wiring of helping optical cable 310, and this optical cable 310 is connected with a connector 108, if expectation or need to pass through specific device.
Figure 47 shows the 4th interchangeable embodiment of fiber access terminal and base unit 402, comprises fiber access terminal 400 and base assembly 404.Terminal and base unit 402 comprise that also pillar 406 and a pair of lower access door are to (access doorpairs) 408.Pillar 406 allows to use unit 402 as base, and it is used for fiber access terminal 400 being installed and not being needed independent base assembly near customer location.The terminal 100,200 and 300 that illustrates above is configured to be installed in the independent understructure, as shown in figure 25, is configured so that common fiber access terminal and base installation unit to be provided although they can be similar to unit 402.Lower access door allows terminal 400 is installed in the ground level top so that environmental protection can be protected the fiber distribution cable and the user's tapping fiber cable that are connected with terminal 400 in addition to 408.
Figure 48 to 54 shows the additional views of terminal and base unit 402.Access door remains on a pair of internal support passage 410 and 412 by securing member 414 408, and described securing member has and stops the security feature of addressed location 402 and terminal 400 without permission.Go out as shown, this security feature is the encapsulation liner (can washer) 416 around each threaded securing member 414 location, and it can prevent to use the spanner of standard or cover joint to pull down securing member.Each access door be to can preferably including a pair of similar door 418, but also can use dissimilar door.Just extend on the ground on the top of pillar 406 when positioning pillars 406 at the scene.A pair of securing member 420 extends through top part 422 so that internal support passage 412 is installed on the pillar 406.
In use, terminal 400 can be pre-configured to as described above terminal 100,200 and 300 termination fiber distribution cable relatively.Optical distribution cable from optical fiber distributing terminal or base extend near one or more at present or the position in user residence in the future.Usually, optical distribution cable still also can use other layout by slotting and imbedding.In the position of expectation, pillar 406 can be imbedded the required degree of depth in ground, with mobile, accidental the moving or intentional destruction that prevents that frost heave or environment from causing.The access door that is installed in extreme lower position preferably contacts 408 or has at the lower limb of ground level to be sunken into.
For the user is connected with terminal 400, the user's tapping fiber cable that stops being connected with plug-in type in advance will extend to the user house and slot near the point of unit 402.Can remove one or two access door to be provided to the inlet of terminal 400.Tapping fiber cable from the groove of being opened extend to terminal 400 the bottom and with an optical connector that connector matches of terminal 400 bottoms.This will make an optics in a plurality of fibre bundles of user's tapping fiber cable and fiber distribution cable be connected, thereby provide fiber connectivity to the user.Then with access door to reinstalling on the unit 402 of fiber distribution cable and all user's tapping fiber cable, so that the optical cable and the connector of protection terminal 400 bottoms.
With reference now to Figure 53,, a plurality of optical connectors 424 are on the bottom 432 of terminal 400, and they can stop optical fiber tapping fiber cable 428 and optical distribution cable access infrastructure 426, and optical distribution cable 427 extends through this access infrastructure.Connector 424 and tapping fiber cable 428 are parts of user's tapping fiber cable, thereby the equipment that allows the user house and optical distribution cable 427 interior optical fiber are connected.The connector 427 that illustrates is Corning Optitap connectors.Can predict, can use the tapping fiber cable connector of other type and pattern, they can provide environmental sealing to a certain degree.
Figure 55 to 62 shows terminal 400, and it comprises lid 434, and this lid is installed on the bottom 432, keeps in place by the securing members 431 that extend through the perforate 452 (referring to Figure 62) in the lid 434 and be contained in bottom 432 the perforate 458.Also comprise register pin 430 in the bottom 432, it is contained in the slit 450 of lid 434.Pair of brackets 436 is extended so that be connected to the upper end of passage 410 and 412 from the bottom 432 that will connect.Passage 410 and 412 forms unit 402 with base assembly 404 being fixed on being connected of bottom 432 on the terminal 400.
With reference now to Figure 62,, inner structure 454 is installed on the bottom 432 and in lid 434 extends, and it comprises the optical cable slack storage spool 444 that extends from structure 454 both sides.Optical cable output terminal 440 is installed near on the inner structure 454 of optical cable access infrastructure 426.Optical distribution cable 427 comprises a plurality of optical fiber.When optical distribution cable 427 passes optical cable access infrastructure 426, provide an optical fibre clip 442 so that optical cable 427 and any linear reinforcing element that is included in the optical cable 427 are knotted on the inner structure 454.A plurality of unit cables 456 are arranged in optical distribution cable 427, and the optical distribution cable 427 in they and the output terminal 440 is separated.The size of each spool 444 is provided as the optical cable 456 that extends to each internal connector joint 438 the bending radius protection is provided.The connector 424 of tapping fiber cable 428 is connected to the outer end of internal connector joint 438, so that optics is connected to the optical cable 456 of drawing from optical distribution cable 437.A plurality of optical cable guiding pieces 446 are positioned at around each spool, remain on around the spool 444 to help to make optical cable 456.
Transmit perforate 448 and be positioned in the inner structure 454 of output terminal 440 tops, optical cable 456 is directed to arbitrary spool 444 on the either side of inner structure 45 so that allow.With regard to allowing the specific internal connector joint 438 that will connect optical cable 456 the most suitably is directed on the side of inner structure 454 like this according to optical cable 456.It is compression joints that optical cable inserts joint 426, and it is configured to closely cooperate around optical cable 426, and sealing enters bottom 432 to prevent water or other pollutant when lid 434 is in suitable position.
With reference now to Figure 63,, pair of O shape O-ring seal 468 is positioned at around the bottom 432, so that environmental sealing is provided around the lower limb of engage lids 434 and the joint between bottom 432 and lid 434.Optical fibre clip 442 cooperates around the optical fibre clip joint on the inner structure 454 of optical distribution cable 427 with output terminal 440 belows.Bolt 443 extends through optical fibre clip 442, and is housed in the perforate 462 of optical fibre clip joint 460.Fiber adapter 439 is arranged in each internal connector joint 438.Although do not have shown in Figure 63ly, each optical cable 456 preferably all stops by the joints of optical fibre.The joints of optical fibre that stop each optical fiber 456 are housed in the inner end of adapter 439, and are positioned to be connected optically with user's tapping fiber cable 428 of connector 424 when connector 424 is connected with internal connector joint 438.Be used for optical cable 427, pass size that bottom 432 optical cable inserts perforate 464 and be configured to receive that optical cable inserts joint 426 and by its sealing.
Figure 64 to 69 shows other view of the terminal 400 of having removed lid 434.The uncovered part of inner structure 454 is provided above the bottom 432 relative with 440 the position that illustrates, with allow optical cable 456 internally the spool 444 on the either side of structure 454 lead to arbitrary adapter 439 on the terminal 400.
Can predict, terminal 100,200,300 and 400 can be configured to have connector 108 still less, and locate respectively by the top and the bottom of relative terminal for these connectors similarly.If expect six or connector still less 108, terminal 300 can be configured to have installation surface still less.Replacedly, any one terminal can be configured to have perforate or the installation surface that is used for a plurality of connectors shown in the above figure, but the connector 108 of entire quantity is not installed, thereby for specific installation, can be increased additional connector 108 as required at the scene.Terminal 100 can be configured to make connector 108 opposing tabs 106 outward-dipping.If the number of fibers that fiber distribution cable 276 has is identical with number of connectors in arbitrary terminal 100,200 or 300, joint retainer such as joint retainer 308 can be not included in this terminal so.Yet, it is also envisioned that the joint retainer can be included in arbitrary terminal 100,200 or 300.The knot of terminal 300 or stress buffer portion 306 can be included in terminal 100 or 200.
With reference now to Figure 70 to 102,, the element that it shows according to the 5th embodiment 500 of fiber access terminal of the present invention comprises shell 502 and fit lid 505.Lid 505 and shell 502 can be assembled into the connector box that forms terminal 500, and this terminal 500 is similar to terminal 300, and its difference will be described below.Can predict, some feature of terminal 300 can merge in the terminal 500, and vice versa.
With reference now to Figure 70 to 79 and 89,, the shell 502 of terminal 500 comprises the installation tab 504 of a plurality of inclinations, and each installs the perforate 506 that tab has the optical cable connecting portion 508 that is used to receive reinforcement.Shown in Figure 89, connecting portion 508 is Corning fiberoptic cable system OptiTap connectors, and it comprises the adapter that the optical fiber that is used to make two terminations matches.Optical fiber connecting system other reinforcement or environmental sealing also can use together with the present invention.Shell 502 comprises top 510 and bottom 512, and what be positioned at top 512 is the transmission tab 514 with perforate 516, is used to connect transfer line.As described above, can predict, terminal 500 can be installed on fiber distribution cable such as the optical cable 276 in advance, and passes the position that conduit is delivered to expectation concerning the connection of user's tapping fiber cable.In the bottom 512, optical cable inserts perforate 528 and joins in the side by a pair of fastener openings that is used to install optical fibre clip 530, as following Figure 90 to 99 is shown.Fastener openings 530 is arranged in a pair of tab 531 down of bottom 512, and described tab passes optical cable usually and inserts perforate 528 with heart location in the optical cable access path of expectation.
Shell 502 comprises private side 518, and this private side forms a part of inner 503 when being connected with the fit lid 505 shown in following Figure 80 to 85.Dimple 520 is used to receive flat packing ring 522 (shown in Figure 89) around the periphery of private side 518.What expect is that terminal 500 is configured to bear owing to being installed in extreme weather and the environmental exposure that ground level is following or produce in a humid environment.Use flat packing ring 522 that improvement opposing to the pollutant of water or other intrusion can be provided, the pollutant of described water or intrusion is owing to be exposed to a plurality of freezing fusings and circulate and cause.A plurality of fastener openings 524 are around passing the identical periphery location that packing ring 522 extends.Securing member such as bolt can extend through perforate 524, so that lid is fixed on the shell 502.A pair of pad 526 so that the expectation maximum compression of packing ring 522 is set, and prevents tension near each perforate 524, and described tension can damage the integrality of sealing.Can predict, packing ring 522 inserts perforate 528 with the extend through optical cable and sealing to plug or insert is provided, and described plug or insert are round the fiber distribution cable that inserts, as above-mentioned optical cable 276 location.This plug is shown in following Figure 123.
On the outer side 532 of shell 502, tab 504 is installed is tilted to extend, the longitudinal axis 538 of installation shaft 536 opposite shell 502 tilts as shown.Every pair of adjacent installation site 504 limits an installation surface 533, and this installation surface is 512 inclinations towards the bottom.One narrow convergence region 534 is limited between a pair of installation tab 504 that vertically separates.See as the backplan of shell from Figure 77 502, install tab 504 tilt to make each continuously tab 504 of row can be hidden in the back of adjacent lines.Shown in following accompanying drawing, the different alternative embodiment that is similar to the fiber access terminal of terminal 500 can be configured to have more installation tab and the bottom section that do not increase terminal.
With reference now to Figure 74 and 75,, the dimple 540 that optical cable inserts in the perforate 528 comprises outer lip 542 and inboard lip 544.Described antelabium cooperates with plug or insert 541 (being illustrated in following Figure 123) providing environmental sealing in perforate 528, and cooperates to realize the sealing between lid 505 and the shell 502 with packing ring 522.With reference now to Figure 71,74,75 and 77 to 79,, continuous outer wall 546 defines the outer limits of packing ring dimple 520 usually, and a plurality of inwall segmentations 548 that separate fit in the internal threshold that limits packing ring dimple 520.
With reference now to Figure 80 to 85,, lid 505 comprises private side 550, outer side 552, top 556 and bottom 558.A plurality of fastener openings 554 are located with consistent with the fastener openings 524 of shell 502 around the periphery of lid 505.Private side 552 cooperates with the private side 518 of shell 502 and forms inner 503 when being installed on the shell 502 with convenient lid 505.Along the periphery of lid 505, washer sealing surface 560 is positioned on the private side 552 in addition, and it is corresponding to the position of the packing ring dimple 520 of shell 502.Be located at a pair of oncus or gasket seal, interior oncus 562 and outer oncus 564 are arranged on the washer face 560.These oncus are joined together to form the securing member sealing 566 around each fastener openings 524.A pair of dimple 568 is arranged in securing member sealing 566, its size be configured to receive pad 526 and for pad 526 provide in the bottom surface can against.The engagement of dimple 568 and pad 526 is the compression that packing ring 522 is set suitable size.This engagement can also be the distortion that packing ring 522 is set suitable size by oncus 562 and 564.The distortion of this setting size can provide the sealing of reinforcement between lid 505 and shell 502, with the intrusion of opposing water or other pollutant.
With reference now to Figure 86 to 88,, can use threaded insert 570 to strengthen the perforate 524 of shell 502, thereby the strength and the durability of enhancing are provided.Can predict, because economy and material behavior, shell 502 can be made of polymeric material molded and/or machining.This material can not be to be suitable for very much forming and keeping sharp edges, for example needs reception and fixing detachable securing member such as bolt in perforate 524.Threaded insert 570 can be constituted and is embedded in the perforate 524 by metal or other durable material, passes the bolt that perforate 524 embeds thereby provide sharper and more durable screw thread 574 to mesh from the perforate 554 of lid 505.Surface 572 with annular knurl can remain on insert 570 in the part 580 or perforate 524 of amplification or band countersunk with help along the disposed outside of each insert 570.Insert 570 can have shoulder 576, its engageable cooperation shoulder 578 that is positioned at the bottom of perforate 524 amplifier sections 580.Make insert 570 and the bolt that extends from a perforate 554 of lid 505 mesh and tighten, be easy to make insert 570 to be embedded into position darker in the amplifier section 580 like this, thereby prevent that insert 570 from deeper embedding up to shoulder 576 and 578 engagements.Apply enough torques to bolt then and make pad 526 engagement dimples 568, and be compression and the distortion that packing ring 522 is set expected degree.
Figure 89 shows the shell 502 of the connecting portion 508 with three reinforcements, and described connecting portion is positioned in the perforate 506, and side 518 extends through to outer side 632 internally.The 4th connecting portion 508 that illustrates is decomposed from its position in all the other perforates 506.Connecting portion 508 is made of a plurality of elements, and it allows closed and sealed perforate 506 in case stop ring border and pollutant are invaded.Between these elements inner seal 507 and outside O-ring seals 509.Outer body assembly 582 comprises threaded part 584, and outer seal 509 is around this part location.Threaded part 584 embeds perforate 506 and meshes by inner seal 507 and threaded annular element 586.Threaded annular element 586 is used for spurring the outer body assembly 582 that firmly remains on perforate 506, makes outer seal 509 mesh outer sides 532, and inner seal engagement private side 518.One adapter 588 is included in the outer body assembly 582, and can insert from private side to be meshed 518 by internal optical fiber connector 592.When internal connector 592 is used to stop optical cable such as optical fiber 10, in the inside 503 of terminal 500, but adapter 588 positioning optical waveguides, so that be connected with the fiber optics that keeps by connector, this connector is configured to cooperate with the outside opposite end and the outer body assembly 582 of adapter 588.Replacedly, go out as shown, outside seal cap 590 can be positioned at the outside opposite end of outer body assembly 582, so that adapter seal 588 and prevent that external environment condition from invading.Packing ring 522 is in the correct position in the packing ring dimple 520, and it comprises around the perforate 594 of each fastener openings 524 to hold pad 526.
Figure 90 to 99 shows optical fibre clip half shell 600 that uses together with terminal 500.Shown in Figure 70 to 75, following tab 531 is positioned at optical cable and inserts on the either side of perforate 528.A pair of optical fibre clip half shell 600 is arranged around the fiber distribution cable 276 on the bottom 512.Each optical fibre clip half shell comprises body 602 and the extension 604 that extends from body one end.The two pairs of fastener openings 606 and 607 extend through body 602.Dimple 608 is positioned on the body 602 on the end relative with extension 604, and its size and dimension is configured to receive the turning of inserting the tab 531 of perforate 528 near optical cable.The securing member that passes a perforate 607 location extends through the perforate 530 of tab 531, the perforate 607 that enters second optical fibre clip, half shell 600 then equally.Optical fibre clip half shell 600 can be fixed on the tab 531 like this, thereby be fixed on shell 502 and the terminal 500.One of them perforate in the every pair of perforate 606 and 607 comprises the hexagon dimple that is positioned on the outside surface 620.When around optical cable 276 assemblings, the inside surface 622 of each optical fibre clip half shell 600 will rest on the inside surface 622 of another half shell 600.
Extension 604 comprises that 612, one pairs half shells 600 of flange can limit continuous flange usually.Flange 612 can be used for connecting stress buffer portion's root or other similar parts around the optical cable 276 that passes the optical cable dimple 614 that is formed at inside surface 622.Optical cable dimple 614 comprises first 616, and its size is configured to and can cooperates around fiber distribution cable, but does not closely cooperate, and it can be optical cable the transition that enters second portion 618 is provided.A plurality of ribs 624 are positioned at second portion 618, and extend in the perforate 614.Rib 624 can fit in and form a pair of first linear passageway part 626 on the either side of main channel part 628.Described part 626 sizes can closely cooperate it around linear reinforcing element, and this reinforcing element extends along one or two side of optical cable 276.The size of described part 628 closely cooperates its pipe core that centers on optical cable 276, is loaded with optical fiber in this pipe core.Pass the passage of the optical cable dimple 614 of a pair of optical fibre clip that is connected with terminal 500 half shell 600 and can correctly locate optical cable 276 to enter perforate 528 and to enter inner 503.The compactedness that described part 626 and 628 shape cooperate around optical cable 276 provides optical cable to fix or tie also can for terminal 500, but it is contemplated that the optical cable that other is provided in terminal 500 clamps or the knotting element.
With reference now to Figure 100 to 102,, it shows optical cable wiring and the management insert 700 that is used in private side 518 location of shell 502, and this insert comprises top 702 and bottom 704.Pair of sidewalls 706 and 708 is extended to limit optical cable wiring side 712 from a side of under(-)chassis 710, and the opposite side of framework 710 comprises the structure that is used to receive optical distribution cable 276 and the optical fiber 10 in this optical cable is directed to wiring side 712.Optical cable receiver side 714 comprises pair of brackets 716, is used to keep the optical cable erecting equipment, as is installed to the output terminal or the shunt of the end of optical cable 276.From then on the optical fiber in the optical cable 276 is separated from one another and be directed in the top 718 of side 714, wherein optical fiber is directed near one in the side 706 or 708, and 702 passes optical fiber transfer part 720 when extending and 714 712 connect up to the side from the side towards the top when optical fiber.
When on side 712, optical fiber passes top 722 wirings and 704 guiding towards the bottom again of the optical cable wire structures of side 712.In near the optical cable wiring of the side 712 on top 702 and slack storage path 724, guide optical cable then, in the top 726 of described path limit between inwall 726 and outside installation structure 728.When optical fiber in path 724 towards the bottom 704 when extending, path 724 becomes and is each defined between sidewall 706 and 708, and between inwall 730 and 732.Help optical fiber is remained in the path 724 between tab 734 and the framework 710 around the maintenance tab 734 of location, path 724.
Extend in 722 the outside on top, center wall 740 framework on 712 710 from the side, simultaneously bottom 742 is divided into two cavitys 736 and 738, and they are corresponding to the line number of perforate 506 in the shell 502.Center wall 740 provides the rigidity of structure or intensity with the opposing deflection can also for insert 700.Perforate 744 is positioned at each cavity 736 and 738, and the position of connecting portion 508 is in suitable position relatively.Optical fiber can make the connector that is installed in this optical fiber end to be connected with the connecting portion 508 that can insert by perforate 744 from optical cable path 724 through the perforate 744.For the lax optical fiber of the unnecessary length between fiber distribution cable 276 and specific connecting portion 508, optical fiber can be as required advanced for more than 712 time around the circular path on the top 718 of side 714 or the optical cable path of side 712.
With reference now to Figure 103 to 112,, it shows the shell 802 according to the 7th alternative embodiment 800 of fiber access terminal of the present invention.Terminal 800 all is similar to terminal 500 aspect most of, can hold except terminal 800 to reach eight connecting portions 508 in eight perforates 506 at 504 places, installation site that tilt.Except for holding two additional length to the required shell 802 of installation site 504 and perforate 506, shell 504 is identical with shell 502 usually.Every pair of installation site 504 limits the installation surface 533 of 512 inclinations towards the bottom, has narrow convergence region 534 between the installation site 504 of each installation surface 634 and another phase adjacency pair.
Shown in Figure 109 and 110, perforate 506 is installed comprises that 804, one plat parts 804 of a pair of relative plat part comprise key 806.Plat part 804 and key 806 are corresponding to the mating feature of the threaded section 584 of connecting portion 508, thus the connecting portion 508 in the correctly directed perforate 506, and prevent that connecting portion 508 is in perforate 506 internal strains.Similarly features have been shown among superincumbent Figure 70 to 79 and following Figure 125 to 134 in the perforate 506.
With reference now to Figure 113 to 118,, it shows fit lid 805, is used to connect shell 802 to be formed for the connector box of fiber access terminal 800.Lid 805 is configured to lid 505 similarly, except longer, thereby compares the shell 802 that can hold additional length with shell 502.Except length, all the other elements of lid 805 are identical with lid 505 basically.
Figure 119 and 122 shows optical cable wiring and the management insert 750 that uses together with shell 802 and lid 805.This insert 750 is configured to insert 700 similarly, the place of its variation is that this insert has been elongated so that be engaged in the longer shell 802, and provide four additional perforates 744 with allow optic fibre extension to and be connected to this four additional connecting portions 508.Figure 119 illustrates in greater detail optical cable receiver side 714, and the parts receiving area that it comprises between support 716 is used for received branch unit, output terminal or other is in the parts of fiber distribution cable 276 ends.A pair of outer wall 765 beginning adjacent part receiving areas 717, and relatively parts receiving area 717 towards the top 702 location.Outer wall 765 can be gone forward side by side optical fiber into optical cable path 766 from the top 718 that described parts are directed to side 714, and this optical cable path limit is between outer wall 765 and a plurality of outer wall segmentation 767 and inwall 769.Transfer part 720 can make optical fiber to be passed enter path 724 on the side 712 in path 766 on 714 from the side.
Shown in Figure 121, optical cable wiring side 712 is similar to the side 710 of insert 700 usually and arranges, the extension in optical cable path 724 routes to four additional aperture 744 and on every side simultaneously, is used for optical fiber 724 is delivered to connecting portion 508 from the path.In order to satisfy the needs that optical fiber routed to two additional right connecting portions 508,524 arrange middle lead division 548 along the path, make and can store the lax of different length.Lead division 548 can provide additional optical cable slack storage and cloth line options, and can not provide around the single continuous loop of the side 712 of insert 750.Near bottom 704, comprise additional outer wall segmentation 729 so that limit the outer boundary in path 724.
With reference now to Figure 123 and 124,, the insert 570 that illustrates has in the fiber distribution cable 276 that extends to the output terminal 752 between support 716 above the bottom 704.A plurality of optical fiber 310 extend from output terminal 752, and are divided into the optical fiber 754 of two groups of identical or similar quantity.One group of optical fiber 754 is 766 the clockwise direction guiding along the path around top 718, and 766 the counter clockwise direction guiding along the path of another group.This apart arrangement allows the optical fiber 310 of half to be directed to a side of insert 750 or the connecting portion 508 on the passage 736, allows half optical fiber 310 to be directed to connecting portion 508 in another passage 738.When optical fiber 310 was positioned in the path 766, they can center on path 766 multiple wirings, thereby stored and manage unnecessary cable length.A plurality of maintenance tabs 770 are positioned at around the path 766, so that help optical fiber 310 are remained in the path 766.
Figure 125 to 140 shows the 8th alternative embodiment 900 according to fiber access terminal of the present invention.Figure 125 to 134 shows shell 902, and it is consistent with top shell 502 and 802 on Design and Features.Difference between these two shells 502 and 802 and 902 is length and the quantity of installation site 504 and the installation perforate 506 that comprises of shell in each embodiment.In addition, the arrangement details of medial surface 518 and lateral surface 532 is identical with described embodiment basically.Details about the installation of connecting portions 508 in the arrangement of feature and the perforate 506 does not change.
Similarly, Figure 135 to 140 shows with shell 902 and uses the fit lid 905 that forms terminal 900 together.Lid 905 similarly is configured with top lids 505 and 805 usually, and difference is longer so that cooperate with longer shell 902.When cooperating, inner side 518 and 552 faces with each other and limits inside 903 (not shown), extends and is directed to the connecting portion 508 that is installed in the perforate 506 at this interior cables 276 and optical fiber 310.Optical cable 576 will insert perforate 528 by optical cable with aforesaid similar fashion and pass inside.
In addition, can predict, be similar to the wiring of 700 and 750 optical cable and the management insert can be configured to use together with terminal 900.
For the various aspects that make the reader be familiar with novelty of the present invention have been discussed disclosed embodiments of the invention here.Although illustrated and described preferred embodiment, under the condition that does not break away from the spirit and scope of the present invention, those skilled in the art can carry out many variations, modification and replacement.Described preferred aspect of the present invention and embodiment, for a person skilled in the art, the modification and the equivalent of disclosed notion has been easy to expect.Yet, its objective is that this modification and equivalent should be included in the scope of the claim of enclosing here.
Claims (19)
1. fiber access terminal assembly, it comprises:
Fiber distribution cable with first end and the second end;
Be positioned at the connector box at the second end place of fiber distribution cable, this connector box is configured to pass the hollow pipeline that has along the top of passing the direction location;
This connector box comprises shell and detachable lid, and described shell and lid cooperate qualification inside, top and bottom;
The bottom of this connector box comprises first perforate, and fiber distribution cable enters the inside of fibre-optical splice box by this first perforate;
This fiber distribution cable comprises a plurality of fibre bundles, and described a plurality of fibre bundles separate with inner fiber distribution cable and stop with the joints of optical fibre;
This shell comprises a plurality of optical fiber connecting portions that extend through shell, each connecting portion has the second end of first end and enclosure, this first end is arranged in inside and is configured to receive a connector of inside fibre bundle, this the second end is configured to receive the connector of the optical fiber tapping fiber cable that extends to the connector box outside, and the second end of each connecting portion roughly extends towards fiber distribution cable;
Described inside comprises optical cable slack storage device; be used to be stored in the unnecessary cable length of arbitrary fibre bundle between the first end of fiber distribution cable and connecting portion, this optical cable slack storage device provides the bending radius protection for the fibre bundle that is stored in the optical cable slack storage device.
2. fiber access terminal as claimed in claim 1 is characterized in that, connecting portion extends through a plurality of second perforates of shell bottom, and described second perforate is positioned on the circle of first perforate of passing the shell bottom.
3. fiber access terminal as claimed in claim 1 is characterized in that, the first of connecting portion extends through the shell and first perforate near the bottom, and the remainder of connecting portion extends through the shell between bottom and the top relative with lid.
4. fiber access terminal as claimed in claim 3, it is characterized in that, the first of connecting portion comprises and extends through shell and be positioned at four connecting portions in the semicircle of first perforate, and the remainder of connecting portion comprises four connecting portions that are positioned in the semicircle of first perforate.
5. fiber access terminal as claimed in claim 3 is characterized in that, the first of connecting portion comprises that the remainder of adapter is included in and extends through the many to connecting portion of shell between top and the bottom near first pair of connecting portion of outer casing bottom location.
6. fiber access terminal as claimed in claim 1, it is characterized in that, first perforate defines first direction, connecting portion is roughly along same direction orientation, makes that passing the optical cable that first perforate extends to the fiber distribution cable of described inside and extend to the second end of a connecting portion roughly extends along same direction.
7. fiber access terminal as claimed in claim 1, it is characterized in that, first perforate defines first direction, connecting portion is with directed obliquely with first direction, makes that passing the optical cable that first perforate extends to the fiber distribution cable of described inside and extend to the second end of a connecting portion roughly extends along same direction.
8. fiber access terminal as claimed in claim 1 also comprises the optical fibre clip that is positioned at described inside, is used to receive and keeps extending through the fiber distribution cable that first perforate enters described inside.
9. fiber access terminal as claimed in claim 1 also comprises the optical fibre clip that is positioned near the outside of the enclosure of first perforate, is used to receive and keeps extending through the fiber distribution cable that first perforate enters described inside.
10. fiber access terminal as claimed in claim 1 is characterized in that, first perforate comprises and is used for entering the device that the fiber distribution cable of described inside seals around extending through first perforate.
11. fiber access terminal as claimed in claim 1 also comprises the fibre-optical splice retainer that is installed in the described inside.
12. fiber access terminal as claimed in claim 1 also comprises optical fiber output, it is connected with fiber distribution cable and is installed in the inside of shell.
13. fiber access terminal as claimed in claim 1 is characterized in that, connecting portion is the reinforcement optical fiber connecting portion that comprises fiber adapter.
14. fiber access terminal as claimed in claim 1 also comprises being positioned at being used to seal described inside between lid and the shell to avoid the packing ring of environmental interference.
15. a method of assembling fiber distribution cable comprises:
The fibre-optical splice box is provided, and it comprises the shell that has the perforate side that defines inside and is configured to be installed on the connector box body with sealing perforate side and inner lid;
In the shielded place of environment, first perforate that makes fiber distribution cable pass shell enters enclosure, and fiber distribution cable is fixed in the stress buffer portion in the inside;
The a plurality of fibre bundles and the fiber distribution cable of connector box body interior are separated;
Stop at least one in a plurality of fibre bundles of connector box body interior with the joints of optical fibre;
At least one optical cable slack storage device around described inside in a plurality of fibre bundles is extended;
Make one in described at least one joints of optical fibre and a plurality of coupling connecting portions to be connected, each connecting portion passes shell from described inside and extends to housing exterior, described connecting portion comprises the second end of enclosure, this the second end is used to connect the joints of optical fibre of coupling, and the second end of each connecting portion is configured to receive the optical fiber tapping fiber cable that roughly extends from the direction identical with fiber distribution cable;
Lid is positioned to the perforate side and the described inside of closure, and forms the fibre-optical splice box; And
Wherein this fibre-optical splice box is configured to pass and imbeds pipeline.
16. a fiber access terminal assembly, it comprises:
Fiber distribution cable with first end and the second end;
Be positioned at the connector box at the second end place of fiber distribution cable; With
The base erecting device;
This connector box comprises shell and detachable lid, and shell and lid cooperate qualification inside, top and bottom;
The bottom of this connector box comprises first perforate, and fiber distribution cable enters the inside of connector box by this first perforate;
This fiber distribution cable comprises a plurality of fibre bundles, and the optical distribution cable of described a plurality of fibre bundles and described inside separates and stops with the joints of optical fibre;
This terminal body comprises a plurality of optical fiber connecting portions that extend through terminal body, each connecting portion has first end, the connector that it is arranged in described inside and is configured to receive described inside fibre bundle, and the second end that can insert from the terminal body outside, this second end is configured to receive the connector of the optical fiber tapping fiber cable that extends to fibre-optical splice box outside; And
Described inside comprises optical cable slack storage device; be used to be stored in the unnecessary cable length of arbitrary fibre bundle between the first end of fiber distribution cable and adapter, this optical cable slack storage device provides the bending radius protection for the fibre bundle that is stored in the optical cable slack storage device.
17. fiber access terminal as claimed in claim 16 is characterized in that, described base erecting device comprises the pillar that is connected with connector box.
18. fiber access terminal as claimed in claim 17 is characterized in that, described base erecting device also comprises a pair of access door that is installed in fibre-optical splice box below along the part pillar.
19. fiber access terminal assembly as claimed in claim 16 is characterized in that, described base erecting device is a framework, and described connector box is installed on this framework.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910127708.2A CN101539650B (en) | 2004-03-08 | 2005-03-08 | Fiber access terminal |
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US55116404P | 2004-03-08 | 2004-03-08 | |
| US60/551,164 | 2004-03-08 | ||
| US60/600,129 | 2004-08-09 |
Related Child Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200910127708.2A Division CN101539650B (en) | 2004-03-08 | 2005-03-08 | Fiber access terminal |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1981226A true CN1981226A (en) | 2007-06-13 |
Family
ID=38131588
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200580014709 Pending CN1981226A (en) | 2004-03-08 | 2005-03-08 | Fiber access terminal |
| CN200910127708.2A Expired - Fee Related CN101539650B (en) | 2004-03-08 | 2005-03-08 | Fiber access terminal |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200910127708.2A Expired - Fee Related CN101539650B (en) | 2004-03-08 | 2005-03-08 | Fiber access terminal |
Country Status (1)
| Country | Link |
|---|---|
| CN (2) | CN1981226A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2010081297A1 (en) * | 2009-01-16 | 2010-07-22 | 新峤网络设备 | Optical fiber access terminal and its optical fiber interface protective cap |
| CN103180767A (en) * | 2010-06-24 | 2013-06-26 | Giga-Com比荷卢经济联盟有限公司 | Semi-automated optical fiber distribution system |
| CN103339544A (en) * | 2011-09-28 | 2013-10-02 | 株式会社藤仓 | Cable having connector and method for manufacturing cable having connector |
| CN107624208A (en) * | 2015-03-16 | 2018-01-23 | 康普技术有限责任公司 | Shell for cable distribution component |
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| EP2717081B1 (en) * | 2012-10-02 | 2020-11-18 | Corning Research & Development Corporation | Optical fibre distribution enclosure |
| CN113557461B (en) * | 2020-02-26 | 2022-11-18 | 华为技术有限公司 | Home-entry optical cable connecting device and home-entry optical cable connecting system |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| ES2039154B1 (en) * | 1991-04-22 | 1994-03-16 | Telefonica Nacional Espana Co | BOX FOR FIBER OPTIC JOINTS WITH UNIVERSAL ACCESS. |
| SG48936A1 (en) * | 1993-09-10 | 1998-05-18 | British Telecomm | Break-out tray |
| US5446823A (en) * | 1994-01-26 | 1995-08-29 | Raychem Corporation | Aerial, pedestal, below grade, or buried optical fiber closure |
| US5892870A (en) * | 1995-11-16 | 1999-04-06 | Fiber Connections Inc. | Fibre optic cable connector |
| EP0805536A1 (en) * | 1996-05-01 | 1997-11-05 | Bowthorpe Plc | Cable enclosure |
| DE59709848D1 (en) * | 1996-11-21 | 2003-05-22 | Ccs Technology Inc | Connection unit for fiber optic cables |
| US6535682B1 (en) * | 1999-03-01 | 2003-03-18 | Adc Telecommunications, Inc. | Optical fiber distribution frame with connector modules |
| FR2811771B1 (en) * | 2000-07-13 | 2002-08-30 | France Telecom | OPTICAL FIBER CONNECTION BOX FOR WORKSTATIONS, FOR BUILDINGS |
-
2005
- 2005-03-08 CN CN 200580014709 patent/CN1981226A/en active Pending
- 2005-03-08 CN CN200910127708.2A patent/CN101539650B/en not_active Expired - Fee Related
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| WO2010081297A1 (en) * | 2009-01-16 | 2010-07-22 | 新峤网络设备 | Optical fiber access terminal and its optical fiber interface protective cap |
| CN103180767A (en) * | 2010-06-24 | 2013-06-26 | Giga-Com比荷卢经济联盟有限公司 | Semi-automated optical fiber distribution system |
| CN103339544A (en) * | 2011-09-28 | 2013-10-02 | 株式会社藤仓 | Cable having connector and method for manufacturing cable having connector |
| US8740476B2 (en) | 2011-09-28 | 2014-06-03 | Fujikura Ltd. | Connectored cable and method for manufacturing connectored cable |
| CN103339544B (en) * | 2011-09-28 | 2014-09-03 | 株式会社藤仓 | Cable having connector and method for manufacturing cable having connector |
| CN104035167A (en) * | 2011-09-28 | 2014-09-10 | 株式会社藤仓 | Connector cable and method for manufacturing connectored cable |
| CN104035167B (en) * | 2011-09-28 | 2015-12-30 | 株式会社藤仓 | The manufacture method of the cable of Belt connector and the cable of Belt connector |
| US9335491B2 (en) | 2011-09-28 | 2016-05-10 | Fujikura Ltd. | Connectored cable and method for manufacturing connectored cable |
| CN107624208A (en) * | 2015-03-16 | 2018-01-23 | 康普技术有限责任公司 | Shell for cable distribution component |
| CN107624208B (en) * | 2015-03-16 | 2020-04-14 | 康普技术有限责任公司 | Housing for a cable distribution assembly |
| CN111384691A (en) * | 2015-03-16 | 2020-07-07 | 康普技术有限责任公司 | Housing for a cable distribution assembly |
| CN111384691B (en) * | 2015-03-16 | 2021-08-27 | 康普技术有限责任公司 | Housing for a cable distribution assembly |
| US11495953B2 (en) | 2015-03-16 | 2022-11-08 | Commscope Technologies Llc | Enclosure for cable distribution assembly |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101539650A (en) | 2009-09-23 |
| CN101539650B (en) | 2016-01-27 |
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