CN101539650B - Fiber access terminal - Google Patents

Abstract

Fiber access terminal assembly, comprising: fiber distribution cable, at the connector box at the second end place of optical cable, box comprises the shell and lid that match and limit inner, top and bottom, box bottom comprises the first opening, and optical cable enters box inside by the first opening, optical cable comprises multiple fibre bundle, and fibre bundle separates from optical cable in box inside and stops with the joints of optical fibre, shell comprises first and second groups of fiber adapter, each adapter has the second end that the first end of connector of the fibre bundle in the reception inside in inside and the reception of enclosure extend to the connector of the optical fiber tapping fiber cable of box outside, the axis of first and second groups of adapter opposite first open becomes semi-circular structure and the axis of opposite first open is outward-dipping, first group of adapter and shell bottom adjacent, second group of adapter is between the bottom and the top of shell of shell, shell arranges a narrow convergence region to make not increase the overall width of assembly between first and second group adapter.

Description

Fiber access terminal

Background technology

Communication service based on Fiber Optic Extension just more consumes in each trade company and family.Many expansion service be in neighbourhood, manufacturing district and business development area so all adopt the fiber distribution cable being arranged in and imbedding in pipeline.This fiber distribution cable can extend to less fiber access terminal from larger optical fiber distributing terminal or base, and this fiber access terminal is directly adjacent to trade company and the family of the service of reception.From fiber access terminal to family or trade company, optical fiber tapping fiber cable (dropcable) can be connected to family or trade company.

Optical fiber distributing terminal can be configured to receive from central station optical fiber and comprise multiple shunt.Each optical fiber from central station can transmit a large amount of signals, and composite signal is separated in single circuit by shunt.Then these single circuit are transmitted by single optical fiber.Each optical fiber from main website can a shunt of incoming fiber optic distribution terminal, then shunt by each signal guidance in 32 optical fiber.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.Fiber distribution cable between optical fiber distributing terminal and fiber access terminal has 8 to 12 optical fiber banded together in single multiply optical cable.In fiber access terminal, these multiplies can be separated from multiply optical cable, make each optical cable guide a unique user into.

At present, when optical cable reaches fiber access terminal from optical fiber distributing terminal, multiple technologies can be used stretch and/or impel optical cable to pass pipeline.But this optical cable must stop at fiber access terminal place and adopt optic pin-and-socket connector.Stop being connected with plug-in type preferred at ambient stable and shielded environment as performed in factory.Between optical fiber, fiber end face or optical fiber, the pollution of joint can demote or suppress and the communication of user.

Expect to improve current 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 being positioned at one end of fiber distribution cable.This fibre-optical splice box is configured to pass through to be had along the hollow pipeline embedding the top that direction is located and embeds pipeline.This fibre-optical splice box comprises terminal body (terminalbody) and detachable lid, and this lid fits in restriction one inside, top and bottom.The bottom of fibre-optical splice box comprises the first perforate, and fiber distribution cable enters the inside of fibre-optical splice box by this first perforate.Fiber distribution cable comprises multiple fibre bundle.Fibre bundle from optical distribution cable separates in connector box inside and stops with the joints of optical fibre.

Terminal body comprises multiple fiber adapter extending through terminal body.Each adapter has: the first end being arranged in inside, and it is configured to the connector receiving 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 extending to fibre-optical splice box outside, and roughly extends along the direction of fiber distribution cable.Described inside comprises optical cable slack storage device (cableslackstoragearrangement), for the excess cable length of fibre bundle arbitrary between storing fiber optic optical distribution cable and the first end of adapter.This optical cable slack storage device is also for the fibre bundle be stored in optical cable slack storage device provides bending radius protection.

The invention still further relates to a kind of method fiber access terminal being assembled to fiber distribution cable end.This terminal comprises the connector box limited by shell and lid.In the shielded place of environment, fiber distribution cable extends to enclosure through the first perforate of shell and is fixed on stress buffer portion.Multiple fibre bundle separates from the fiber distribution cable of connector box body interior.The joints of optical fibre of each fibre bundle connector box body interior stop.The fibre bundle of enclosure extends around the optical cable slack storage device of inside.The joints of optical fibre connect one in the fiber adapter of multiple coupling.Fiber adapter extends to housing exterior through shell from inside, and it comprises the second end of enclosure, and it is for the joints of optical fibre of matching connection.The second end is configured to receive the optical fiber tapping fiber cable usually extended from the direction identical with fiber distribution cable.Described lid is positioned to perforate side and the inside of closure, and to form fibre-optical splice box, this fibre-optical splice box is configured to pass through imbeds pipeline.

The invention still further relates to a kind of fiber access terminal assembly, it comprises the fiber distribution cable with first end and the second end, the fibre-optical splice box at the second end place being positioned at fiber distribution cable and floor installation device.This fibre-optical splice box comprises terminal body and detachable lid, and this lid fits in restriction one inside, top and bottom.The bottom of fibre-optical splice box comprises the first perforate, and fiber distribution cable enters the inside of fibre-optical splice box by this first perforate.Fiber distribution cable comprises multiple fibre bundle, and multiple fibre bundle separates with the optical distribution cable of connector box inside and stops with the joints of optical fibre.Terminal body comprises multiple fiber adapter extending through terminal body.Each adapter has first end, it is arranged in inside and is configured to receive a connector of inside fibre bundle, and the second end that can access outside terminal body, this second end is configured to receive the connector of the optical fiber tapping fiber cable extending to fibre-optical splice box outside.Described inside comprises optical cable slack storage device; for being stored in the excess cable length of arbitrary fibre bundle between fiber distribution cable and the first end of adapter, this optical cable slack storage device is also for the fibre bundle be stored in optical cable slack storage device provides bending radius protection.

Accompanying drawing explanation

The accompanying drawing of enclosing is incorporated to and forms a part for instructions, there is illustrated several aspect of the present invention and detailed description, and for illustration of principle of the present invention.Brief description of the drawings is as follows:

Fig. 1 is the first skeleton view according to fiber access terminal of the present invention.

Fig. 2 is the second skeleton view of the fiber access terminal of Fig. 1.

Fig. 3 is the first side view of the fiber access terminal of Fig. 1.

Fig. 4 is the second side view of the fiber access terminal of Fig. 1, and its side view from Fig. 3 approximately offset by 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 that the terminal body of the fiber access terminal of Fig. 1 is from the first skeleton view seen bottom it.

Fig. 8 is the second skeleton view of the terminal body of Fig. 7, it illustrates the bottom of most of terminal body.

Fig. 9 is three skeleton view of terminal body from the top relative with bottom of Fig. 7.

Figure 10 is the first side view of the terminal body of Fig. 7.

Figure 11 is the second side view of the terminal body of Fig. 7, and its side view from Fig. 9 approximately offset by 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 of the second embodiment according to fiber access terminal of the present invention.

Figure 14 is the decomposition diagram of the fiber access terminal of Figure 13.

Figure 15 is the first side view of the fiber access terminal of Figure 13.

Figure 16 is the second side view of the fiber access terminal of Figure 13, and its side view from Figure 15 approximately offset by 90 degree.

Figure 17 is the 3rd side view of the fiber access terminal of Figure 13, and it is contrary with the side view of Figure 16.

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 the first skeleton view of the terminal body of the fiber access terminal of Figure 13.

Figure 21 is the second skeleton view of the terminal body of Figure 20.

Figure 22 is the first side view of the terminal body of Figure 20.

Figure 23 is the second side view of the terminal body of Figure 20, and it is contrary with the side view of Figure 22.

Figure 24 is the rear view of the terminal body of Figure 20.

Figure 25 is the skeleton view of the terminal fabricated section of the fiber access terminal being provided with Figure 13.

Figure 26 is the front elevation of the terminal fabricated section of Figure 25.

Figure 27 is the front elevation of the 3rd embodiment according to fiber access terminal of the present invention, and fiber distribution cable accesses terminal through bottom simultaneously.

Figure 28 is the front elevation of the terminal of Figure 27, and lid is opened simultaneously, and fiber distribution cable extends 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 offset by 90 degree, but does not have fiber distribution cable.

Figure 31 is the end-view bottom the terminal 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 the second side of the terminal of Figure 30.

Figure 38 is the front elevation of the terminal of Figure 30, opens lid to illustrate terminal inner simultaneously.

Figure 39 is the side view of the terminal of Figure 38.

Figure 40 is the end-view bottom the terminal 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 the 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 the 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 the skeleton view of the 4th alternative embodiment according to fiber access terminal of the present invention, and it comprises floor installation device.

Figure 48 to 51 is the fiber access terminal of Figure 47 and four side views of base, and it each other approximately have 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 each other approximately have rotated 90 degree.

Figure 62 is the decomposition diagram of the fiber access terminal of Figure 55, and bottom multiple fibre-optic telecommunication cable incoming fiber optic accesses terminal simultaneously, single optical fiber is drawn towards each optical fiber tap connector.

Figure 63 is that the close of many fibres (multi-fiber) communications optical cable bottom the fiber access terminal of access Figure 62 observes view (closerview).

Figure 64 is to 67 being four side views of the fiber access terminal having removed lid in Figure 62.

Figure 68 is the top view of the fiber access terminal having removed lid in Figure 62.

Figure 69 is the backplan of the fiber access terminal having removed lid in Figure 62.

Figure 70 is the first skeleton view of the fiber access terminal shell of the 5th alternative embodiment according to fiber access terminal of the present invention.

Figure 71 is the 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 the 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 in Figure 74.

Figure 76 is that the close of the connector installation site of the fiber access terminal shell of Figure 70 observes view.

Figure 77 is along the bottom sectional view that the line 77-77 of Figure 74 sections in the fiber access terminal shell of Figure 70.

Figure 78 is the top view of the fiber access terminal shell of Figure 70 and the part sectioned view that sections along the line 78-78 in Figure 72.

Figure 79 is the backplan of the fiber access terminal shell of Figure 70 and the part sectioned view that sections along the line 79-79 in Figure 72.

Figure 80 is lid first skeleton view used together with the fiber access terminal shell of Figure 70.

Figure 81 is the 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 the lid of Figure 80 and the part sectioned view that sections along the line 83-83 in Figure 82.

Figure 84 is the outside back view of lid of Figure 80.

Figure 85 is the bottom sectional view that the lid of Figure 84 sections along the line 85-85 in 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 is that the close of one end of the fiber access terminal of Figure 86 observes view, it illustrates two the threaded fastening inserts be decomposed.

Figure 88 is the sectional view of a threaded fastening insert in the perforate of the fiber access terminal shell being positioned at Figure 86.

Figure 89 is the inside front perspective view of the fiber access terminal shell of Figure 70, and it has three and is arranged on the joints of optical fibre of the reinforcement in the installation perforate of shell and installs the 4th joints of optical fibre of perforate decomposition from another.

Figure 90 is the first skeleton view of optical fibre clip half part used together with the intelligent acess shell of Figure 70 and the lid of Figure 80.

Figure 91 is the second skeleton view of the optical fibre clip of Figure 90.

Figure 92 is the side view outside the optical fibre clip of Figure 90.

Figure 93 is the side view inside the optical fibre clip of Figure 90.

Figure 94 is the end cross-sectional figure that the optical fibre clip of Figure 90 sections along the line 94-94 in Figure 92.

Figure 95 is the end cross-sectional figure that the optical fibre clip of Figure 90 sections along the line 95-95 in Figure 92.

Figure 96 is the end cross-sectional figure that the optical fibre clip of Figure 90 sections along the line 96-96 in Figure 92.

Figure 97 is that the close of the oversheath clamping region of the optical fibre clip of Figure 93 observes view.

Figure 98 is that the close of the oversheath clamping region of the optical fibre clip of Figure 96 observes view.

Figure 99 is that the close of the cable runs passage of the optical fibre clip of Figure 95 observes view.

Figure 100 is the skeleton view of cable runs and the management insert used together with the intelligent acess shell of Figure 70 and the lid of Figure 80.

Figure 101 is the cable runs of Figure 100 and the first side of management insert.

Figure 102 is the cable runs of Figure 100 and the edge view of management insert.

Figure 103 is the first skeleton view of the fiber access terminal shell of the 6th alternative embodiment according to fiber access terminal of the present invention.

Figure 104 is the 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 in Figure 107.

Figure 109 is the closed skeleton view of the 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 the fiber access terminal shell of Figure 103 and the part sectioned view that sections along the line 111-111 in Figure 105.

Figure 112 is the backplan of the fiber access terminal shell of Figure 103 and the part sectioned view that sections along the line 112-112 in Figure 105.

Figure 113 is the first skeleton view of the lid used together with the fiber access terminal of Figure 103.

Figure 114 is the 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 the lid of Figure 113 and the part sectioned view that sections along the line 116-116 in 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 in Figure 117.

Figure 119 is the skeleton view of cable runs and the management insert used together with the intelligent acess shell of Figure 103 and the lid of Figure 113.

Figure 120 is the cable runs of Figure 119 and the first side of management insert.

Figure 121 is the cable runs of Figure 119 and the edge view of management insert.

Figure 122 is the cable runs of Figure 119 and the backplan of management insert.

Figure 123 is the cable runs of Figure 119 and the skeleton view of management insert, and multiple fiber cable is partly installed around insert and connects up simultaneously.

Figure 124 is the cable runs of Figure 123 and the close observation in the top view of management insert, and optical cable output terminal is arranged on insert simultaneously.

Figure 125 is the first skeleton view of the fiber access terminal shell of the 7th alternative embodiment according to fiber access terminal of the present invention.

Figure 126 is the 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 in Figure 129.

Figure 131 is the closed skeleton view of the 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 the fiber access terminal shell of Figure 125 and the part sectioned view that sections along the line 133-133 in Figure 127.

Figure 134 is the backplan of the fiber access terminal shell of Figure 125 and the part sectioned view that sections along the line 134-134 in Figure 127.

Figure 135 is the first skeleton view of the lid used together with the fiber access terminal shell of Figure 125.

Figure 136 is the 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

Present will in detail with reference to each illustrative aspects of the present invention illustrated in the accompanying drawings.In any possible place, identical reference number is used to represent same or analogous parts in all of the figs.

Fig. 1 to 4 shows the fiber access terminal 100 for being installed in fiber distribution cable.This terminal 100 comprises lid 102 and shell 104.Shell 104 comprises central optical distribution cable access joint (entryfitting) 106 and multiple joints of optical fibre 108 extending through shell 104.Lid 102 comprises the top 110 with tab 112.Tab 112 be configured to allow through rope, optical cable or wire be connected to terminal 100, to pull terminal 100 through pipeline.A perforate 114 is formed, for the rope, optical cable or the wire that are attached across in tab 112.As shown, terminal 100 is configured to receive simple optical fiber optical distribution cable and be connected to eight optical fiber tapping fiber cables.These optical cables will extend to the shell 104 of terminal 100, can be accessed by the perforate bottom 116 of lid 102.

Lid 102 comprises a pair fastener openings 118 of locating near bottom 116, and it extends through columniform sidewall 120.Perforate 118 receives securing member and remains on around bottom 104 to make lid 102 releasedly, allow to access terminal simultaneously 100 inside.Fig. 5 shows the top 110 of terminal 100, and it has the tab 112 of centrally-located.Fig. 6 shows the shell 104 being positioned at lid 102 inside, and optical distribution cable joint 106 is arranged in central authorities simultaneously, and optical connector 108 separates around joint 106 equably around shell 104.

With reference now to Fig. 7 to 13, shell 104 comprises bottom 122, and joint 106 and optical connector 108 extend through bottom this.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 bottom 122.Two ends 136 and 138 are configured to receive and coupling optical connector.Joint 106 defines the perforate 144 of the bottom 122 extending through shell 104 equally, makes fiber distribution cable can enter through bottom 122 inside limited around the inner structure 124 of terminal 100 by lid 102.This inner structure 124 comprises top 126, and it is positioned in the lid 102 on top 110.Be the wall 128 of circumference around bottom 122, it is of a size of and is engaged in lid 102 and closely cooperates with the inwall of the lid 102 near bottom 116.At least one seal such as o shape O-ring seal 130 is located around bottom 104, to provide the weatherseal between lid 102 and shell 104.

A pair perforate 134 extends through the wall 128 of circumference, for receiving the securing member of the perforate 118 extending through lid 102.Form the perforate 134 through a pair securing member lug 132, for securing member provides the additional materials extended within it.On the dividing plate 146 of the inner structure 124 of multiple cable runs guiding piece 140 between bottom 122 and top 126, for providing optical cable slack storage and bending radius protection to the optical cable extended in terminal.Outer wall 142 extends to help optical cable to remain in optical cable guiding piece 140 around dividing plate 146, and prevents from causing folder contracting (pinching) or other damage when lid 102 is located around bottom 104 to optical cable.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.Multiple perforate 148 extends between the opposite flank of inner structure 124, and the optical cable tab 150 of multiple optical cable guiding piece 140 is located near each perforate 148.Then optical cable through the optical cable guiding piece 140 be positioned on the side of inner structure 124 through a perforate 148 with an optical cable guiding piece 140 through opposite side, can be directed to an inner end 138 of connector 108.There is provided multiple tab 150 for keeping optical cable around optical cable guiding piece 140.The tab 150 illustrated and perforate 148 are positioned in close, but also can consider other structure.

Inner structure also can comprise optical distribution cable knot or the stress buffer portion structure near joint 106, thus the fiber distribution cable extending through perforate 144 can be firmly held in terminal 100.

Expect that terminal 100 is through imbedding pipeline and being arranged in the field joint box (fieldenclosure) of close subscriber household or trade company.This on-the-spot shell can not provide Weather sealed or may be damaged and pollutant be entered.Expect that the joints of optical fibre 108 are connectors environment to robustness, allow the connecting portion of optical fiber tapping fiber cable to be connected to subscriber equipment, but provide protection for connector and the connecting portion that is positioned at fiber access terminal 100 place.Terminal 100 is configured to be installed on vertically in this on-the-spot shell, and wherein the top 110 of lid 102 upward.Fiber distribution cable can extend downwards shell 104, any user being connected to connector 108 serve tapping fiber cable usually also on optical distribution cable side to downward-extension.This structure can be the protection that connector 108 and connector 108 and user any connecting portion of serving between tapping fiber cable provides enhancing.

With reference now to Figure 14 to 20, it illustrates the second embodiment 200 according to fiber access terminal of the present invention.As shown in FIG. 14 and 15, terminal 200 comprises lid 202 and has the shell 204 on top 226.Multiple securing member 231 extends through the perforate 234 of lid 202, and is received in the securing member lug 232 of shell 204, to be remained on shell 204 by lid 202 releasedly.Fiber distribution cable joint 106 extends through the bottom 222 of shell 204, to allow the passage of fiber distribution cable to enter the inside 203 of terminal 200 through shell 204.Multiple joints of optical fibre 108 are positioned near the fiber cable joint 106 of bottom 222.

Connector 108 comprises inner end 138 and outer end 136.As shown, fiber adapter 236 is positioned at each connector 108.Optical connector 238 is positioned in each inner end 138 in fiber adapter 236.The fiber distribution cable entering inner 203 through joint 106 can be multiply optical cable, and each simple optical fiber can from the optical distribution cable of inner 203 separately.These single optical fiber connect up round the optical cable guiding piece 240 of locating near top 226 inner 203, and are stopped by optical connector 238.This separately and to terminate in telecommunications industry be known.

Optical cable guiding piece 240 can comprise one or more tab 250, is in desired locations with slack storage and bending radius protection for helping the optical cable in inner 203.Wall 242 is stretched around shell 204, and it comprises coboundary 229.Coboundary 229 preferably defines a plane, and lid 202 closely can be coordinated with shell 204.Seal such as packing ring 230 (not illustrating in the drawings) can be positioned between coboundary 229 and lid 202 Weather sealed with what help formation to inside 203.

With reference to Figure 20, joint 106 comprises and extends through bottom 222 to inside 203 with the perforate 144 allowing fiber distribution cable to enter.In fig. 20, can see four in eight connectors 108, they are arranged in around in the semicircle of joint 106.These four connectors 108 are installed by the mounting surface of locating around bottom 222.Outer end 136 perforate 144 and joint 106 radial skew relatively of each visible connector 108.Can see the inclination of those connectors 108 closest to joint 106 in Figure 21 to 24, this inclination contributes to the outer end 136 accessing connecting fiber tapping fiber cable, to provide work to connect between user and fiber distribution cable.

As what see from Figure 21 to 24, other four connectors 108 to be arranged in semicircle and outward-dipping similarly, although they are positioned between bottom 222 and top 226.The convergence region 260 that one is narrow is provided in shell 204, these second group of four connector desirably can be positioned, and the overall width of terminal 200 can not be increased.Be similar to terminal 100, terminal 200 is configured to pass through imbeds pipeline, to expand fiber connectivity between optical fiber distributing terminal and fiber access terminal.Because the diameter of these pipelines is restricted, therefore desirably shell 204 provides a kind of like this layout of connector 108, that is, it improves the access connecting tapping fiber cable, exceedingly can not increase the overall width of terminal 200 simultaneously.Convergence region 260 can be these four connectors 108 offset from bottom 222 and provides mounting surface 262, and to insert this four connectors 108 with four the approximately uniform width of connector 108 be installed on surface 258.

Eight all connectors 108 allow tapping fiber cable to be connected to user, and this tapping fiber cable is usually from the direction identical with the fiber distribution cable being entered inner 203 by joint 106 and perforate 144.Figure 25 and 26 shows in terminal fabricated section 270 from the fabricated section installing the terminal 200 that bottom 272 upwards extends to top 280.Terminal 200 is arranged on internal partition 271; this internal partition is also provided with multiple cable runs guiding piece 274 to provide bending radius to protect and optical cable slack storage, and this optical cable slack storage may be used for multi-fiber fiber optic optical distribution cable 276 or multiple user's tapping fiber cable 278.By installing terminal 200 as shown in figs. 25 and 26, joint 106 and connector 108 are down located, so that preventing pollution thing falls.By all optical cables 276 and 278 are directed to terminal 200 from same direction, are namely directed to terminal 200 towards bottom 222 from below, the fiber optic cable management in terminal fabricated section 270 can be simplified.Can predict, terminal fabricated section 270 can change and be configured to use together with terminal 100 as above, and uses together with the alternative embodiment of fiber access terminal as described below.

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 extending through bottom 322.Terminal 300 comprises lid 302 and shell 304, can limit an inside 303, as shown in figure 27 when they are closed around hinge 316.As shown in Figure 28 and Figure 29, lid 302 has rotated to around hinge 316 and has exposed inner 303.Can along side arrangement one latch 317 relative with hinge 316, to make lid 302 remain on around on the shell 304 of inner 303 releasedly.In the inside 303 of lid 302, install several optical cable guiding piece 340 and fiber cable joint retainer 308, described optical cable guiding piece is used for providing bending radius to protect and optical cable slack storage.One optical cable knot or stress buffer portion 306 is installed in the inside 303 of shell 304, to receive and fixed fiber optical distribution cable 276.Optical cable 276 is the multiply optical cables being divided into single optical cable 310, and it can rotate around optical cable guiding piece 340 and use optical connector 238 to stop, and is connected to the inner end 138 of connector 108.

Can predict, optical cable 276 has optical fiber more more than the connector 108 of terminal 300.These additional optical fiber can stop in advance or not stop, can (brokenout) for subsequent use and can use in inner 303.If impaired words in other optical cable 310 or optical connector 238, these additional optical fiber can be used to as replacing connecting portion.If these additional optical fiber do not stop in advance with connector 238, so they can join on connector 238 at scene.If needed, joint unit 308 is arranged in inner 303 to keep and to protect this joint unit.

The tab 312 with perforate 314 can be formed at top 326 place of terminal 300.This tab 312 is similar to tab 112 as above, and it can provide one for the knot of connecting line, to pull terminal 300 from optical fiber distributing terminal through imbedding pipeline to the fiber access terminal fabricated section being similar to fabricated section 270 as implied above.Now also with reference to Figure 30, shell 304 comprises multiple mounting surface 358,359,362 and 363 for mounted connector 108.Be the convergence region 360 narrowed between mounting surface, this convergence region 360 has the effect being similar to convergence region 260 as above.Connector 108 opposing tabs 106 tilts, but being similar to terminal 200 ground is configured, and points to receive optical cable 278 downwards.

With reference now to Figure 31 and 32, when seeing from bottom 322, two connectors 108 closest to bottom 322 can block remaining six connector 108, and when seeing from top 326, two connectors 108 closest to top 326 can block remaining connector 108.Mounting surface 358,359,362 and 363 coordinates with convergence region 360, to guarantee that the outer end 136 of connector 108 is outward-dipping and can access along shell 304, but exceedingly can not increase the size of terminal 300.Figure 33 to 37 provides has lid 302 and the additional views around inner 303 shells 304 closed.Figure 38 to 46 provides the additional views of the terminal 300 with the lid 302 opened 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 coordinate with box lunch around formation sealing between lid 302 and shell 304 during inner 303 closed terminal 300.Can at dimple 338 inner position one seal if o shape O-ring seal or packing ring be to improve sealing.With reference to Figure 43 and 44, a pair optical fiber cable holder 380 can be arranged along the inwall 382 of shell 304, to keep optical cable 310 releasedly, optical cable 310 can be comprised in optical distribution cable 276 but not to be connected with one of them connector 108 at first.Alternatively, optical fiber cable holder 380 can with the wiring of helping optical cable 310, and this optical cable 310 is connected with a connector 108, if expect 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 also comprise the access door of pillar 406 and lower a pair to (accessdoorpairs) 408.Pillar 406 allows to use unit 402 as base, and it is for accessing terminal 400 and do not need independent base assembly near customer location installing optical fibres.The terminal 100,200 and 300 illustrated above is configured to be arranged in independent understructure, as shown in figure 25, is configured to provide common fiber access terminal and floor installation unit although they can be similar to unit 402.Lower access door allows terminal 400 to be arranged on so that environmental protection above ground level to 408, can protect the fiber distribution cable and user's tapping fiber cable that are connected with terminal 400 in addition.

Figure 48 to 54 shows the additional views of terminal and base unit 402.Access door is remained on a pair internal support passage 410 and 412 by securing member 414 408, and described securing member has the security feature stoping addressed location 402 and terminal 400 without permission.As shown, this security feature is the encapsulation liner (canwasher) 416 of locating around each threaded securing member 414, and it can prevent the spanner of use standard or cover joint from pulling down securing member.Each access door to preferably including a pair similar door 418, but also can use dissimilar door.When positioning pillars 406 at the scene, the top of pillar 406 just extends on the ground.A pair securing member 420 extends through upper part 422 to be installed on pillar 406 by internal support passage 412.

In use, terminal 400 can be pre-configured to relative termination 100,200 and 300 as described above and stop fiber distribution cable.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 by slotting and imbedding, but also can use other to arrange.The position expected, pillar 406 can imbed the degree of depth needed for ground, with the movement preventing frost heave or environment from causing, accidentally mobile or deliberately destroy.The access door being arranged on extreme lower position preferably contacts 408 or has at ground level with the lower limb be sunken into.

In order to user be connected with terminal 400, the user's tapping fiber cable stopping being connected with plug-in type in advance will extend to user house and slot near the point of unit 402.One or two access door can be removed to the entrance to be provided to terminal 400.Tapping fiber cable is from the bottom that opened groove extends to terminal 400 and the optical connector that matches with a connector bottom terminal 400.This is connected making user's tapping fiber cable with an optics in multiple fibre bundles of fiber distribution cable, thus provides fiber connectivity to user.Then by access door to reinstalling on the unit 402 and all user's tapping fiber cables of fiber distribution cable, to protect the optical cable bottom terminal 400 and connector.

With reference now to Figure 53, multiple optical connector 424 is 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, thus allow the Fiber connection in the equipment in user house and optical distribution cable 427.The connector 427 illustrated is CorningOptitap 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, it comprises lid 434, this lid be arranged on bottom 432 on, by extend through the perforate 452 (see Figure 62) in lid 434 and be contained in bottom 432 perforate 458 in securing member 431 keep in place.Also comprise register pin 430 in bottom 432, it is contained in the slit 450 of lid 434.Pair of brackets 436 extends to be connected to the upper end of passage 410 and 412 from the bottom 432 that will connect.Base assembly 404 can be fixed on forming unit 402 in terminal 400 by the connection of passage 410 and 412 and bottom 432.

With reference now to Figure 62, inner structure 454 be arranged on bottom 432 on and lid 434 in extend, it comprise from structure 454 both sides extension optical cable slack storage spool 444.Optical cable output terminal 440 is arranged in the inner structure 454 of optical cable access infrastructure 426.Optical distribution cable 427 comprises multiple optical fiber.When optical distribution cable 427 is through optical cable access infrastructure 426, provide an optical fibre clip 442 optical cable 427 and any linear reinforcing element be included in optical cable 427 to be knotted in inner structure 454.Multiple unit cable 456 is arranged in optical distribution cable 427, and the optical distribution cable 427 in they and output terminal 440 is separated.The size of each spool 444 is provided as the optical cable 456 extending to each internal connector joint 438 provides bending radius to protect.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.Multiple optical cable guiding piece 446 is positioned at around each spool, to help to make optical cable 456 remain on around spool 444.

Transmit perforate 448 to be positioned in the inner structure 454 above output terminal 440, to allow the arbitrary spool 444 be directed to by optical cable 456 on the either side of inner structure 45.So allow the specific internal connector joint 438 that will connect according to optical cable 456 and optical cable 456 is the most suitably directed on the side of inner structure 454.Optical cable access joint 426 is compression joints, 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, a pair O-ring seals 468 is positioned at around bottom 432, so that the lower limb of engagement lids 434 provide environmental sealing around joint between bottom 432 and lid 434.Optical fibre clip 442 coordinates around the optical fibre clip joint in the inner structure 454 of optical distribution cable 427 with below output terminal 440.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 63, each optical cable 456 is preferably stopped by the joints of optical fibre.The joints of optical fibre stopping 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.For optical cable 427, be configured to receive optical cable access joint 426 being closed by it through the size of the optical cable access perforate 464 of bottom 432.

Figure 64 to 69 shows other view of the terminal 400 of having removed lid 434.The open section of inner structure 454 is provided above the bottom 432 that the position with illustrate 440 is relative, leads to arbitrary adapter 439 in terminal 400 from the spool 444 either side of inner structure 454 to allow optical cable 456.

Can predict, terminal 100,200,300 and 400 can be configured to have less connector 108, and top and the location, bottom of relative termination distinguished by these connectors similarly.If expect the connector 108 of six or less, terminal 300 can be configured to have less mounting surface.Alternatively, any one terminal can be configured to have the perforate for the multiple connectors shown in above figure or mounting surface, but the connector 108 of entire quantity is not installed, thus additional connector 108 can be increased as required at the scene for specific installation.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 the quantity of the connector in any terminal 100,200 or 300, so contact holders such as contact holders 308 can not included in this terminal.But, it is also envisioned that contact holders can be included in any terminal 100,200 or 300.Knot or the stress buffer portion 306 of terminal 300 can be included in terminal 100 or 200.

With reference now to Figure 70 to 102, it illustrates the element of the 5th embodiment 500 according to fiber access terminal of the present invention, comprise shell 502 and fit lid 505.Lid 505 and shell 502 can be assembled into the connector box forming 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 be merged in 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 multiple inclination, and each installation tab has the perforate 506 of the optical cable connecting portion 508 for receiving reinforcement.As shown in Figure 89, connecting portion 508 is Corning fiberoptic cable system OptiTap connectors, and it comprises the adapter for making two optical fiber stopped match.Optical fiber connecting system that is that other is strengthened 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, for connecting transfer line.As described above, can predict, terminal 500 can be pre-installed to fiber distribution cable as on optical cable 276, and the position expected being delivered to concerning user's tapping fiber cable connection through conduit.In bottom 512, optical cable access perforate 528 is connected in side, shown by Figure 90 to 99 below for the fastener openings 530 of installing optical fibre clip by a pair.Fastener openings 530 is arranged in a pair time tab 531 of bottom 512, and described tab is located with the optical cable access path Central places expected through optical cable access perforate 528 usually.

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 Figure 80 to 85 below.Dimple 520 around the periphery of private side 518, for receiving flat packing ring 522 (shown in Figure 89).Desirably terminal 500 is configured to bear owing to being arranged on below ground level or the extreme weather produced and environmental exposure in a humid environment.Use flat packing ring 522 to provide to resist the improvement of water or other pollutant invaded, the pollutant of described water or intrusion causes owing to being exposed to the circulation of multiple freeze thaw.Multiple fastener openings 524 is around the identical periphery location extended through packing ring 522.Securing member such as bolt can extend through perforate 524, to be fixed on shell 502 by lid.A pair pad 526 is near each perforate 524, to arrange the expectation maximum compression of packing ring 522, and prevent tension, described tension can damage the integrality of sealing.Can predict, packing ring 522 by extend through optical cable access perforate 528 provide the sealing to plug or insert, described plug or insert round the fiber distribution cable of access, as above-mentioned optical cable 276 is located.This plug is as shown in Figure 123 below.

On the outer side 532 of shell 502, install tab 504 and tilt to extend, the longitudinal axis 538 as diagram installation shaft 536 opposite shell 502 tilts.Often pair of adjacent installation site 504 limits a mounting surface 533, and this mounting surface tilts towards bottom 512.One narrow convergence region 534 is limited at installing between tab 504 for a pair of longitudinally separating.See as the backplan from Figure 77 housing 502, tab 504 is installed and tilts the tab 504 of each consecutive row can be hidden in after adjacent lines.As shown in accompanying drawing below, the bottom section that the different alternative embodiment being similar to the fiber access terminal of terminal 500 can be configured to have more installation tab and not increase terminal.

With reference now to Figure 74 and 75, the dimple 540 in optical cable access perforate 528 comprises outer lip 542 and inboard lip 544.Described antelabium coordinates to provide environmental sealing in perforate 528 with plug or insert 541 (being illustrated in Figure 123 below), and coordinates to realize the sealing between lid 505 and shell 502 with packing ring 522.With reference now to Figure 71,74,75 and 77 to 79, usual continuous print outer wall 546 defines the outer limits of packing ring dimple 520, and multiple inwall segmentation 548 separated fits in the internal threshold limiting 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.Multiple fastener openings 554 is located around the periphery of lid 505 with consistent with the fastener openings 524 of shell 502.Private side 552 forms inner 503 when coordinating be arranged on shell 502 with convenient lid 505 with the private side 518 of shell 502.In addition along the periphery of lid 505, Gasket sealing surfaces 560 is positioned on private side 552, and it is corresponding to the position of the packing ring dimple 520 of shell 502.Be located in washer face 560 and have a pair oncus or gasket seal, interior oncus 562 and outer oncus 564.These oncus are joined together to form the securing member sealing 566 around each fastener openings 524.A pair dimple 568 is arranged in securing member sealing 566, its size be configured to receive pad 526 and for pad 526 to provide a surface in bottom can be against.The engagement of dimple 568 and pad 526 is the compression that packing ring 522 sets suitable size.This engagement can also be the distortion that packing ring 522 sets 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, to resist the intrusion of water or other pollutant.

With reference now to Figure 86 to 88, threaded insert 570 can be used to strengthen the perforate 524 of shell 502, thus strength and the durability of enhancing are provided.Can predict, due to economy and material behavior, shell 502 can by be molded and/or the polymeric material of machining form.This material can not be very suitable for being formed and keeping sharp edge, such as, need to receive and fix detachable securing member if bolt is in perforate 524.Threaded insert 570 can be made up of metal or other durable material and be embedded in perforate 524, thus provides sharper and more durable screw thread 574 to engage the bolt embedded through perforate 524 from the perforate 554 of lid 505.The surface 572 with annular knurl can along the disposed outside of each insert 570, to amplify or in the part 580 of band countersunk or perforate 524 to help insert 570 to remain on.Insert 570 can have shoulder 576, its engageable cooperation shoulder 578 being positioned at the bottom of perforate 524 amplifier section 580.The bolt that insert 570 and the perforate 554 from lid 505 are extended engages and tightens, and is easy to like this make insert 570 be embedded into position darker in amplifier section 580 until shoulder 576 and 578 engages, thus prevents insert 570 from deeper embedding.Then applying enough torques to bolt makes pad 526 engage dimple 568, and is compression and distortion that packing ring 522 sets expected degree.

Figure 89 shows the shell 502 with the connecting portion 508 that three are strengthened, and described connecting portion is positioned in perforate 506, and extends through to outer side 632 from private side 518.The 4th connecting portion 508 illustrated is decomposed from its position in all the other perforates 506.Connecting portion 508 is made up of multiple element, and it allows closed and sealed perforate 506 in case stop ring border and pollutant invade.Inner seal 507 and outside O-ring seals 509 between these components.Outer body assembly 582 comprises threaded part 584, and outer seal 509 is located around this part.Threaded part 584 is embedded perforate 506 and is engaged by inner seal 507 and threaded annular element 586.Threaded annular element 586, for pulling the outer body assembly 582 firmly remained in perforate 506, makes outer seal 509 engage outer side 532, and inner seal engagement private side 518.One adapter 588 is included in outer body assembly 582, and accesses from private side 518 to be engaged by inner fiber optic connector 592.When internal connector 592 is for stopping optical cable as optical fiber 10, in the inside 503 of terminal 500, adapter 588 can positioning optical waveguides, to be connected with the fiber optics kept by connector, this connector is configured to coordinate with the outer opposite ends of adapter 588 and outer body assembly 582.Alternatively, as shown, outside seal cap 590 can be positioned at the outer opposite ends of outer body assembly 582, so that adapter seal 588 and prevent external environment condition from invading.Packing ring 522 is in the correct position in packing ring dimple 520, and it comprises around each fastener openings 524 to hold the perforate 594 of pad 526.

Figure 90 to 99 shows optical fibre clip half shell 600 used together with terminal 500.As shown in Figure 70 to 75, lower tab 531 is positioned on the either side of optical cable access perforate 528.A pair optical fibre clip half shell 600 is arranged around the fiber distribution cable 276 on bottom 512.The extension 604 that each optical fibre clip half shell comprises body 602 and extends from body one end.Two pairs of fastener openings 606 and 607 extend through body 602.Dimple 608 is positioned on one end relative with extension 604 on body 602, and its size and dimension is configured to the turning of the tab 531 that can receive near optical cable access perforate 528.Securing member through perforate 607 location extends through the perforate 530 of tab 531 equally, then enters the perforate 607 of the second optical fibre clip half shell 600.Optical fibre clip half shell 600 can be fixed on tab 531 like this, thus be fixed in shell 502 and terminal 500.One of them perforate in often pair of perforate 606 and 607 comprises the hexagon dimple be positioned on outside surface 620.When assembling around optical cable 276, 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 flange 612, and one can limit continuous print flange usually to half shell 600.Flange 612 may be used for connecting stress buffer portion root or other similar parts around the optical cable 276 through the optical cable dimple 614 be formed in inside surface 622.Optical cable dimple 614 comprises Part I 616, and its size is configured to coordinate around fiber distribution cable, but does not closely cooperate, and it can be optical cable and provides the transition entering Part II 618.Multiple rib 624 is positioned at Part II 618, and extends in perforate 614.Rib 624 can fit in and form a pair first linear passageway portion 626 on the either side of main channel section 628.Described part 626 size makes it can closely cooperate around linear reinforcing element, and this reinforcing element extends along one or two side of optical cable 276.The size of described part 628 makes its pipe core around optical cable 276 closely coordinate, and is loaded with optical fiber in this pipe core.Through the optical cable dimple 614 of optical fibre clip half shell 600 to be connected with terminal 500 for a pair passage can correctly locating optical cable 276 to enter perforate 528 and to enter inner 503.The compactedness that the shape of described part 626 and 628 coordinates around optical cable 276 also can provide optical cable to fix to terminal 500 or tie, but it is contemplated that in terminal 500, to provide other optical cable clamping or knot elements.

With reference now to Figure 100 to 102, it illustrates the cable runs for location in the private side 518 of shell 502 and management insert 700, this insert comprises top 702 and bottom 704.Pair of sidewalls 706 and 708 extends from the side of under(-)chassis 710 to limit cable runs side 712, and the opposite side of framework 710 comprises for receiving optical distribution cable 276 and the optical fiber 10 in this optical cable being directed to the structure of side 712 of connecting up.Optical cable receiver side 714 comprises pair of brackets 716, for keeping optical cable erecting equipment, as being installed to output terminal or the shunt of the end of optical cable 276.From then on the optical fiber in optical cable 276 is separated from one another and be directed in the top 718 of side 714, wherein optical fiber is directed in side 706 or 708, and 714 connects up to side 712 from the side through optical fiber transfer part 720 when optical fiber extends towards top 702.

When on side 712, optical fiber connects up through the top 722 of the cable runs structure of side 712 and again guides towards bottom 704.Then in the cable runs and slack storage path 724 of the side 712 near top 702, guide optical cable, described path is limited in the top 726 between inwall 726 and outside installation structure 728.When optical fiber extends towards bottom 704 in path 724, path 724 becomes and is each defined between sidewall 706 and 708, and between inwall 730 and 732.The maintenance tab 734 of locating around path 724 contributes to being remained on by optical fiber in the path 724 between tab 734 and framework 710.

In the outside on top 722, the framework 710 of center wall 740 from the side on 712 extends, and bottom 742 is divided into two cavitys 736 and 738 simultaneously, and they correspond to the line number of perforate 506 in shell 502.Center wall 740 provides the rigidity of structure or intensity to resist deflection can also to insert 700.Perforate 744 is positioned at each cavity 736 and 738, and the position of opposing connections 508 is in suitable position.Optical fiber can, from optical cable path 724 through a perforate 744, make the connector being arranged on this optical fiber end can be connected with the connecting portion 508 accessible by perforate 744.For the optical fiber that the additional length between fiber distribution cable 276 and specific connecting portion 508 is lax, optical fiber can be 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 as required.

With reference now to Figure 103 to 112, it illustrates the shell 802 of the 7th alternative embodiment 800 according to fiber access terminal of the present invention.Terminal 800 is all similar to terminal 500 in most of, can hold reach eight connecting portions 508 except terminal 800 in eight perforates 506 at installation site 504 place tilted.Except adding except the length to the shell 802 needed for installation site 504 and perforate 506 for accommodation two, shell 504 is usually identical with shell 502.Often pair of installation site 504 limits a mounting surface 533 tilted towards bottom 512, between each mounting surface 634 and the installation site 504 of another phase adjacency pair, have narrow convergence region 534.

As shown in Figure 109 and 110, perforate 506 is installed and comprises a pair relative plat part 804, plat part 804 and 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 correctly directed perforate 506, and prevent connecting portion 508 in perforate 506 internal strain.In superincumbent Figure 70 to 79 and Figure 125 to 134 below, feature similar in perforate 506 is shown.

With reference now to Figure 113 to 118, it illustrates fit lid 805, for connected with outer casing 802 to form the connector box being used for fiber access terminal 800.Lid 805 is configured to lid 505 similarly, except longer, thus compares the shell 802 that can hold additional length with shell 502.Except length, all the other elements of lid 805 are substantially identical with lid 505.

Figure 119 and 122 shows the cable runs and management insert 750 that use together with shell 802 and lid 805.This insert 750 is configured to insert 700 similarly, place of its change is that this insert is elongated to be engaged in longer shell 802, and provide four additional perforates 744 with allow extension of optical fiber to and be connected to these four additional connecting portions 508.Figure 119 illustrates in greater detail optical cable receiver side 714, and it comprises the parts receiving area between support 716, for received branch unit, output terminal or other be in the parts of fiber distribution cable 276 end.A pair outer wall 765 starts adjacent part receiving area 717, and opposed parts receiving area 717 is located towards top 702.Optical fiber can be directed to the top 718 of side 714 from described parts and enter optical cable path 766 by outer wall 765, and this optical cable path is limited between outer wall 765 and multiple outer wall segmentation 767 and inwall 769.Transfer part 720 can make optical fiber to be passed path 766 from the side on 714 enter path 724 on side 712.

As shown in Figure 121, the side 710 that cable runs side 712 is similar to insert 700 is usually arranged, the extension in optical cable path 724 routes to four additional aperture 744 and surrounding thereof simultaneously, for optical fiber is delivered to connecting portion 508 from path 724.In order to meet, optical fiber be routed to the needs that two are added right connecting portion 508, arrange middle lead division 548 along path 524, make it possible to 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 to limit the outer boundary in path 724.

With reference now to Figure 123 and 124, the insert 570 illustrated has the fiber distribution cable 276 extending to the output terminal 752 between support 716 above bottom 704.Multiple optical fiber 310 extends from output terminal 752, and is divided into the optical fiber 754 of two groups of identical or similar quantity.One group of optical fiber 754 guides around top 718 along the clockwise direction in path 766, and another group guides along the counter clockwise direction in path 766.This apart arrangement allows the optical fiber 310 of half to be directed to connecting portion 508 on the side of insert 750 or passage 736, allows the optical fiber 310 of half to be directed to connecting portion 508 in another passage 738.When optical fiber 310 is positioned in path 766, they can around the multiple wiring in path 766, thus the cable length that store and management is unnecessary.Multiple maintenance tab 770 is positioned at around path 766, to help optical fiber 310 to remain in 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 shell 502 and 802 above on Design and Features.In the installation perforate 506 that these two shells 502 and the difference between 802 and 902 are the length of shell and the quantity of installation site 504 and comprise in each example.In addition, medial surface 518 is substantially identical with described embodiment with the arrangement details of lateral surface 532.Details about the installation of connecting portion 508 in the arrangement of feature and perforate 506 does not change.

Similarly, Figure 135 to 140 shows the fit lid 905 using together with shell 902 and form terminal 900.Lid 905 is configured usually in the same manner as lid 505 and 805 above, and difference is more to grow to coordinate with longer shell 902.When engaged, inner side 518 and 552 is facing with each other and limit inside 903 (not shown), extends and be directed to the connecting portion 508 be installed in perforate 506 in this interior cables 276 and optical fiber 310.Optical cable 576 will pass inner by optical cable access perforate 528 with similar fashion as above.

In addition, can predict, be similar to 700 with 750 cable runs with management insert can be configured to use together with terminal 900.

In order to the various aspects making reader be familiar with novelty of the present invention have discussed disclosed embodiments of the invention here.Although illustrate and describe preferred embodiment, under the condition not departing from the spirit and scope of the present invention, those skilled in the art can carry out many changes, amendment and replacement.Describe preferred aspect of the present invention and embodiment, for a person skilled in the art, be easy to expect to the amendment of disclosed concept and equivalent.But, its objective is that this amendment and equivalent should be included in the scope of the claim of enclosing here.

Claims (3)

1. a fiber access terminal assembly, it comprises:

There is the fiber distribution cable of first end and the second end;

At the connector box at the second end place of fiber distribution cable, described connector box comprises shell and lid, and shell and lid match and limit inside, top and bottom;

The bottom of connector box comprises the first opening, and fiber distribution cable enters the described inside of connector box by described first opening;

Fiber distribution cable comprises multiple fibre bundle, and described multiple fibre bundle separates from fiber distribution cable in connector box inside and stops with the joints of optical fibre;

Shell comprises first group of fiber adapter and second group of fiber adapter, each fiber adapter has and is arranged in the first end of described inside and the second end of enclosure, this first end of each fiber adapter is configured to the connector receiving fibre bundle in described inside, and this second end of each fiber adapter is configured to receive the connector of the optical fiber tapping fiber cable extending to connector box outside; And

Described first group is arranged to become semi-circular structure relative to the axis of described first opening with second group of fiber adapter and outward-dipping relative to the axis of described first opening, the bottom of described first group of fiber adapter and described shell is adjacent, described second group of fiber adapter is positioned between the bottom of shell and the top of shell, described shell arranges a narrow convergence region between described first group of fiber adapter and described second group of fiber adapter, to make the overall width that can not increase fiber access terminal assembly.

2. fiber access terminal assembly according to claim 1, wherein, shell is connected by multiple securing member with lid.

3. a fiber access terminal assembly, it comprises:

Limit the connector box of an inside, described connector box comprises shell and lid;

Multiple optical fiber in the described inside of connector box;

The shell of connector box comprises the installation tab of multiple inclination, connector box defines perforate on each installation tab, wherein on the outer side of described shell, described installation tab tilts to extend, the vertical axis tilt of the relatively described shell of installation shaft, often pair of adjacent installation tab limits a mounting surface, described mounting surface tilts towards the bottom of described shell, one narrow convergence region is limited at installing for a pair between tab of longitudinally separating, and described installation tab tilts to make the installation tab of each consecutive row be hidden in after adjacent lines;

Be arranged on the optical cable connecting portion of multiple reinforcements of described tapping;

Be positioned at cable runs and the management insert of the described inside of connector box, for managing the optical fiber in the described inside of connector box;

Described cable runs and management insert comprise the first side and the second side, and described first side is defined for cable runs and the slack storage path of the optical fiber in the inside of management connector box; And

Described cable runs limits the position perforate corresponding with the optical cable connecting portion of described reinforcement with management insert.