WO2006130549A2 - Systeme de connectivite d'un reseau de fibres optiques muni de marques pour faciliter des connexions a quatre orientations et a double fonctionnalite - Google Patents

Systeme de connectivite d'un reseau de fibres optiques muni de marques pour faciliter des connexions a quatre orientations et a double fonctionnalite Download PDF

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Publication number
WO2006130549A2
WO2006130549A2 PCT/US2006/020726 US2006020726W WO2006130549A2 WO 2006130549 A2 WO2006130549 A2 WO 2006130549A2 US 2006020726 W US2006020726 W US 2006020726W WO 2006130549 A2 WO2006130549 A2 WO 2006130549A2
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WO
WIPO (PCT)
Prior art keywords
fan
faceplate
visual indicia
ports
orientation
Prior art date
Application number
PCT/US2006/020726
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English (en)
Other versions
WO2006130549A3 (fr
Inventor
Joseph C. Livingston
Original Assignee
Commscope Inc. Of North Carolina
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Commscope Inc. Of North Carolina filed Critical Commscope Inc. Of North Carolina
Priority to GB0721457A priority Critical patent/GB2440473B/en
Priority to DE112006001379T priority patent/DE112006001379B4/de
Priority to CN2006800193120A priority patent/CN101203787B/zh
Publication of WO2006130549A2 publication Critical patent/WO2006130549A2/fr
Publication of WO2006130549A3 publication Critical patent/WO2006130549A3/fr

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Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/44—Mechanical structures for providing tensile strength and external protection for fibres, e.g. optical transmission cables
    • G02B6/4439—Auxiliary devices
    • G02B6/4471—Terminating devices ; Cable clamps
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/44—Mechanical structures for providing tensile strength and external protection for fibres, e.g. optical transmission cables
    • G02B6/4439—Auxiliary devices
    • G02B6/444—Systems or boxes with surplus lengths
    • G02B6/44528—Patch-cords; Connector arrangements in the system or in the box

Definitions

  • the present invention is directed generally to fiber optic ribbon cables, connectors, adapters, and patching systems.
  • Optical fibers are commonly used today for the transmission of signals of all sorts, including communication and data signals.
  • Optical fibers can be single mode fibers (typically employed in long-distance communication), which have only one strong propagation mode, or multi-mode fibers, in which light transmitted in the different modes arrives at different times, resulting in dispersion of the transmitted signal.
  • Single mode fibers transmit signals between transceivers (Le ⁇ , devices that can both transmit and receive optical signals) via pairs of fibers. More specifically, one fiber of the pair will transmit signals from the first transceiver to the second, and the other fiber of the pair will transmit signals from the second transceiver to the first. In this manner, optical signals are not traveling along the same fiber in different directions, as such activity could interfere with both signals.
  • a common optical system includes multiple transceivers at one end, patch cord pairs that are connected to the transceivers and to a duplex adapter mounted on a patch panel, a fan-out unit connected to the duplex adapter that connects to a multi-fiber fiber optic cable (12 fibers per cable is common, and the cable is often in ribbon form) via an array adapter, a second fan-out unit connected to the opposite end of the cable via a second array adapter, and corresponding transceivers connected via patch cord pairs to the second fan-out unit through another duplex adapter.
  • a multi-fiber fiber optic cable (12 fibers per cable is common, and the cable is often in ribbon form
  • Methods A-C are intended to "link multiple duplex optical transceiver ports or to link two parallel optics transceiver ports . .
  • the present invention can provide an additional connectivity functionality that simplify the use of cables and other components in fiber optic-based systems.
  • embodiments of the present invention are directed to a fan-out unit for an optical fiber transmission system.
  • the fan-out unit comprises: a plurality of optical fibers; and a faceplate with a plurality of ports (typically keyed ports) arranged in at least one row, each of the ports being optically interconnected with a respective one of the optical fibers and configured to received a mating optical fiber.
  • the faceplate includes a first visual indicia associated with the ports that indicates an arrangement in which mating optical fibers are to be inserted into the ports, the first visual indicia being easily readable when the faceplate is in either a first horizontal orientation or a first vertical orientation, but not being easily readable when the faceplate is in a second horizontal orientation that is inverted from the first horizontal orientation or a second vertical orientation that is inverted from the first vertical orientation.
  • This configuration can simplify connectivity for an operator connecting the fan-out unit to a data communications system.
  • embodiments of the present invention are directed to a data communication system, comprising: first and second transceivers; first and second fan-out units, each of which includes a plurality of optical fibers, wherein the first fan-out unit is optically connected with the first transceiver via a first pair of optical patch cords, and the second fan-out unit is optically connected with the second transceiver via a second pair of optical patch cords; first and second adapters connected with, respectively, the first and second fan-out units; and an optical fiber trunk cable.
  • the optical fiber trunk cable comprises: a plurality of generally parallel optical fibers extending in a longitudinal direction and having first and second ends; and a termination assembly attached at each of the first and second ends of the fibers, each of the termination assemblies connected with, respectively, the first and second adapters.
  • Each of the first and second fan-out units includes a plurality of ports arranged in at least one row, each of the ports being optically interconnected with a respective one of the optical fibers and with a respective one of the patch cords, and wherein each of the first and second fan-out units includes visual indicia that indicates an arrangement in which the patch cords are to be inserted into the ports, the visual indicia indicating that the second fan-out unit is to be optically inverted relative to the first fan-out unit.
  • Figure IA is a schematic top view of an embodiment of a ribbon cable of the present invention.
  • Figure IB is a side view of the ribbon cable of Figure IA.
  • Figure 2 is a perspective view of an array adapter that can be used with the ribbon cable of Figure IA.
  • Figure 3 A is a schematic top view of an embodiment of a fan-out unit for use with the ribbon cable of Figure IA.
  • Figure 3B is a side view of the termination assembly of the fan-out unit of Figure 3 A.
  • Figures 4A-4D are end views of the faceplate of the fan-out unit of Figures 3A and 3B shown in four different orientations.
  • Figure 5A is a schematic top view of a data transmission system employing a ribbon cable of Figure IA.
  • Figure 5B is a partial side view of a connection between one terminal of the ribbon cable and the fan-out unit of Figure 5 A.
  • Figure 5C is a partial side view of a connection between an opposite terminal of the ribbon cable and the fan-out unit of Figure 5A.
  • Figure 6 A is an end view of an alternative embodiment of a faceplate of a fan-out unit according to the present invention with the faceplate in a horizontal orientation.
  • Figure 6B is an end view of the faceplate of Figure 6B in a vertical orientation.
  • spatially relative terms such as “under”, “below”, “lower”, “over”, “upper” and the like, may be used herein for ease of description to describe one element or feature's relationship to another element(s) or feature(s) as illustrated in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if the device in the figures is turned over, elements described as “under” or “beneath” other elements or features would then be oriented “over” the other elements or features. Thus, the exemplary term “under” can encompass both an orientation of over and under. The device may be otherwise oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly. Well-known functions or constructions may not be described in detail for brevity and/or clarity.
  • the cable 10 includes a ribbon 12 and termination assemblies 15, 15' at either end of the ribbon 12. These components are described in greater detail below.
  • the ribbon 12 comprises 12 optical fibers 14, each of which has a core and a protective cladding.
  • the fibers 14 are arranged in parallel relationship to form the ribbon 12. It is conventional to refer to the fibers of a ribbon individually as Fiber 1 , Fiber 2, etc., for the sake of clarity; in the illustrated ribbon 12, Fiber 1 is nearest the top edge of Figure IA, Fiber 2 is below and adjacent Fiber 1, and so on, with Fiber 12 being the lowermost fiber in Figure IA.
  • Other conventions associated with the fibers 14 include color and the like and are set forth in TIA/EIA-598, "Optical Fiber Cable Color Coding". The structure and composition of typical optical fibers is well known to those skilled in this art and need not be described in detail herein.
  • the optical fibers are single mode fibers.
  • Exemplary optical fibers include TeraSPEEDTM fibers, available from SYSTIMAX ® Solutions, Inc., Richardson, Texas.
  • cables of different configurations may also be employed.
  • cables having ribbons with different numbers of fibers (6 and 8 fiber ribbons are common) may be used.
  • fiber optic cables of non-ribbon configuration such as loose tube distribution cables, available from Systimax Solutions, Inc., Richardson, Texas, may also be employed in connection with embodiments of the present invention.
  • the terminal assembly 15 includes a ferrule 22 that is attached to the ribbon 12, a body 18 that is attached to the ferrule 22, and a boot 16 that is attached to the body 18.
  • the construction and interconnection of the boot 16, body 18 and ferrule 22 are well-known to those skilled in this art and need not be described in detail herein.
  • the ferrule 22 includes a contact surface 28 that exposes the fibers 14 to mating fibers in a mating component.
  • the contact surface 28 faces slightly upwardly, angled relative to a plane FS normal to the axes of the fibers 14 at an angle ⁇ .
  • the angle ⁇ is between about 5 and 15 degrees; for example, an angle of 8 degrees is specified in TIA-604-5B for MPO connectors.
  • the contact surface 28 may be parallel with the plane FS.
  • the body 18 includes an alignment key 26 on its top surface.
  • the body 18 may also include a body mark 20 (as with the MPO connector shown schematically in Figure IA) that identifies for an operator the proper orientation of the body 18 and ferrule 20 for assembly.
  • the body mark 20 is on the same side of a bisecting surface BS (which vertically bisects the body 18 and ferrule 22) as the aforementioned Fiber 1.
  • the body mark 20 may be any visual indicia (such as a paint mark) understood by those skilled in this art as being appropriate for identifying the proper orientation of the terminal assembly 15.
  • the illustrated ferrule 22 includes an optional ferrule mark 24 (as with an MPO connector) that identifies for an operator the proper orientation of the fibers 14 and the ferrule 22 during polishing of the contact surface 28.
  • the ferrule mark 24 is positioned on the ferrule 22 on the side of the bisecting surface BS opposite that of the body mark 20; Le ⁇ , on the same side as Fiber 12.
  • the operator is to insert the fibers 14 into the ferrule 22 such that Fiber 12 is on the same side of the ferrule 22 as the ferrule mark 24 (this varies from conventional fiber insertion). Also, this location of the ferrule mark 24 indicates that an operator angle polishing the ends of the fibers 14 will form the contact surface 28 such that it cants or faces slightly upwardly.
  • the terminal assembly 15' includes a boot 16', a body 18' and a ferrule 22' that are similar in construction to the terminal assembly 15.
  • the key 26' projects upwardly, and the angled contact surface 28' faces slightly upwardly and forms an angle ⁇ ' with a plane normal to the axes of the fibers 14 as they terminate at the ferrule 22'.
  • the differences between the terminal assembly 15' and the terminal assembly 15 include (a) the placement of the body mark 20' on the side of the ribbon 12 that corresponds to Fiber 12 and (b) the placement of the ferrule mark 24' (if included as with an MPO connector) on the side of the ribbon 12 that corresponds to Fiber 1.
  • an MPO adapter designated broadly at 30, is illustrated therein.
  • the adapter 30 includes an opening 31 that passes therethrough.
  • a keyway 32 also extends through the adapter 30 contiguous with the opening 31 and is sized and configured to receive either of the keys 26, 26' from the cable 10 as well as a mating key from another component, such as a fan- out unit.
  • Latches 34 extend slightly into the opening to engage and secure a respective terminal assembly 15, 15'.
  • the exemplary MPO adapters and other array adapters suitable for use with embodiments of the present invention are well- known to those skilled in this art, and their construction and materials need not be described in further detail herein.
  • a fan-out unit designated broadly at 36, includes a ribbon portion 38 comprising optical fibers 39, a transition piece 54, a terminal assembly 37, twelve single fiber connectors 56a-561, and a duplex adapter 62.
  • the ribbon portion 38 extends between the terminal assembly 37 and the transition piece 54; from the transition piece 54, the fibers 39 separate or "fan out” into pairs before terminating in respective single fiber connectors 56a-561 (each of the single fiber connectors 56a-561 is shown with its alignment key facing upwardly).
  • the pairing of the fibers 39 follows a reverse sequential scheme in which Fibers 1 and 2 are paired on the side of the transition piece 54 adjacent the entry of Fiber 12, Fibers 3 and 4 are paired adjacent Fibers 1 and 2, and so on until Fibers 11 and 12 are paired.
  • the fibers 39 are optically connected with the duplex adapter 62, which includes twelve optical ports lOla-1011 mounted on a faceplate 100 in a linear array 102.
  • the terminal assembly 37 includes a boot 40, a body 42 and a ferrule 46 like those described above in connection with the cable 10, with the exceptions that the ribbon portion 38, the ferrule 46, the angle polish, and the body 42 are conventionally terminated; as in an exemplary MPO connector, (a) the body mark 44 and ferrule mark 48 are on the same side of the ribbon portion 38 and on the same side as Fiber 1, and (b) although the key 50 projects upwardly from the ferrule 46, the angled contact surface 52 of the ferrule 46 faces slightly downwardly. As discussed below, this orientation of the contact surface 52 enables the terminal assembly 37 of the fan-out unit 36 to mate with the terminal assembly 15 of the cable 10.
  • this portion of the fan-out unit 36 including the ribbon portion 38, the transition piece 54, the terminal assembly 37, and the single fiber connectors 56a-561, will be well understood by those skilled in this art.
  • An exemplary fan-out unit is available from SYSTIMAX ® Solutions, Inc., Richardson, Texas. It will also be understood that fan-out units, such as so-called "hydra" units, that lack a faceplate may also be employed with the present invention, and that the ribbon portion 38 may be replaced with optical fibers in a non-ribbon form.
  • the duplex adapter 62 is mounted on the fan-out unit 36 such that the face plate 100 thereof illustrated in Figures 4A-4D faces away from the transition piece 54.
  • the twelve keyed ports lOla-1011 of the duplex adapter 62 receive duplex patch cords 64 (see Figure 5 A and discussion below) and optically interconnect them with the single fiber connectors 56a-561 (note that the duplex adapter 62 is illustrated as being configured to receive the alignment keys of the single fiber connectors 56a-561 and the patch cords 64 as they face upwardly).
  • the ports lOla-1011 are arranged such that port 101a, which receives single fiber connector 56a attached to Fiber 1, is at one end of the linear array 102 and port 1011, which receives single fiber connector 561 attached to Fiber 12, is at the other end of the array 102.
  • the visual indicia 103 Adjacent the end 105a of the array 102 of ports lOla-1011 (to the far left in Figure 4A) is visual indicia 103, which indicates the arrangement in which mating optical fibers of the duplex patch cords 64 are to be inserted into the ports 101a- 1011.
  • the visual indicia 103 includes visual indicia 104, in this instance the word "ALPHA,” that is disposed at approximately a 45 degree angle to the array 102, with the initial portion of the word being lower than the end portion of the word and the letters being "right side up”.
  • the visual indicia 103 also includes visual indicia 106, in this instance the number range "01-12,” which indicate the numbers and sequence of the fibers to be inserted into the ports lOla-1011.
  • the visual indicia 106 is also disposed at approximately a 45 degree angle to the array 102
  • visual indicia 107 At the opposite end 105b of the array 102 (to the far right in Figure 4A) is visual indicia 107, which includes visual indicia 108, in this instance the word "BETA", that is disposed approximately parallel with the visual indicia 104, but with the letters being "upside down.”
  • Visual indicia 107 also includes visual indicia 110 (in this instance the number range "01-12"), which is approximately parallel with the visual indicia 108, with the numbers being "upside down.”
  • each of the visual indicia 104, 106 is "right side up” for easy reading by an operator.
  • the visual indicia 108, 110 are “upside down” in this orientation and are, therefore, more difficult for an operator to read.
  • the operator can easily understand that, in this orientation, the fan-out unit 36 is to be interconnected as an "ALPHA" module.
  • Figure 4B illustrates the face plate 100 in a vertical orientation, in which the end 105a of the array 102 is at the top of the array 102.
  • the visual indicia 104, 106 are disposed at a 45 degree angle to the array 102 such that the initial portions of the word “ALPHA” and the number range "01-12" are higher than the end portions of the word and number range, but such that the visual indicia 104, 106 are "right side up", and the visual indicia 108, 110 are "upside down.”
  • the visual indicia 104, 106 can be easily read by an operator, while the visual indicia 108, 110 are not.
  • an operator can easily discern that, in this orientation, the fan-out unit 36 is to be an "ALPHA" module.
  • Figure 4C illustrates the face plate 100 in a horizontal orientation that is rotated 180 degrees from the orientation shown in Figure 4A.
  • the visual indicia 108, 110 are located on the left side of the array 102 and are
  • FIG. 4D illustrates the face plate 100 in a vertical orientation that is rotated 180 degrees from the orientation shown in Figure 4B. In this orientation, the visual indicia 108, 110 are located on the top of the array 102 and are "right side up” for easy reading by an operator, whereas the visual indicia 104, 106 are "upside down.” Consequently, an operator can easily recognize that the fan-out unit 36 is to be interconnected as a "BETA" module.
  • FIG. 5A illustrates a data transmission system 60 that employs the cable 10, two array adapters 30 and two fan-out units 36, 36' of identical construction of the type described above, but with one fan-out unit 36 being an ALPHA module and the other fan-out unit 36' being a BETA module.
  • the system 60 also includes a number of transceivers 66, 6& located at the far ends of the system 60 (only two transceivers are shown herein for the purpose of clarity).
  • the transceivers 66, 66' may be any number of devices that transmit and receive optical data over optical fiber networks, including computers, telephones, servers and routers.
  • Each transceiver 66, 66' is connected with a corresponding pair of conventional, TIA/EIA-568-B.3 compliant patch cords 64, 64'.
  • the transceivers 66, 66' are connected to the patch cords 64, 64' such that the alignment keys of each are facing upwardly.
  • the patch cords 64, 64' (which in this instance are duplex patch cords, but which in other embodiments may be single fiber cords or other multiple fiber cords) are in turn connected with ports in one of two duplex adapters 62, 62', the construction of each of which is identical and as described above.
  • each fan-out unit 36, 36' plug into a respective duplex adapter 62, 62' in pairs as described above and illustrated in Figures 5A-5C.
  • the fan-out units 36, 36' are connected with the terminal assemblies 15, 15' of the cable 10 via the array adapters 30.
  • the trunk cable 10 includes a "twist” that causes the terminal assembly 15 to be disposed with its alignment key 26 facing upwardly and the terminal assembly 15' to be disposed such that its alignment key 26' faces downwardly.
  • This "twist” can be accomplished in any number of ways; it does not require a physical twisting of the cable 10, but instead simply represents the reversed alignment orientation of the terminal assemblies 15, 15' as they mate with their respective fan-out units 36, 36'.
  • the "twist” also has the effect of reversing the alignment of the fibers 14 in the cable 10 at the terminal assembly 15', such that, with the alignment key 26' extending downwardly, one facing the contact surface 28' of the terminal assembly 15' would view Fiber 12 on the left side of the contact surface 28' and Fiber 1 on the right side of the contact surface 28'.
  • the visual indicia 104, 106 of the faceplate 100 are positioned on the left side of the faceplate 100 and are "right side up,” thereby indicating that this is to be an ALPHA fan-out unit.
  • the patch cords 64 are inserted into the ports lOla-1011 in ascending order
  • the patch cords 64' are inserted into the ports lOla-1011 in ascending order (Le ⁇ , Fiber 1 in the far right position to mate with Fiber 12 of the fan-out unit 36', and Fiber 12 in the far right position to mate with Fiber 1 of the fan-out unit 36') with their alignment keys facing downwardly.
  • the patch cords 64' are illustrated with a "twist" between their ends to indicate a "key up to key up” connection with the transceiver 66' .
  • connection between the fan-out units 36 and the terminal assemblies 15, 15' of the cable 10 are "key-up to key-up” or “key-down to key-down,” which tends to be preferred from a performance standpoint.
  • the configuration described herein enables the angle polished contact surfaces 28, 28' of the terminal assemblies 15, 15' to mate with the angle polished contact surfaces 52 of the fan-out units 36, 36'.
  • angled contact surfaces provides transmission of optical data in a manner that is typically better than that of non-angled (Le., flat) contact surfaces, and does so with a "key up to key up” or “key-down to key-down” orientation of the terminal bodies 18, 18' of the cable 10 and the terminal bodies 42 of the fan-out units 36 (see Figure 5B).
  • either of the terminal assemblies 15, 15' can be connected with either of the fan-out units 36, 36' and still be operable.
  • the signal travels through the cable 10 in Fiber 11 to the terminal assembly 15', through the second array adapter 30, and into the second fan-out unit 36', where the signal is transmitted to Fiber 11 thereof.
  • the signal then travels in Fiber 11 of the second fan-out unit 36' through the single fiber connector 56b', the duplex adapter 62', Fiber 11 of the patch cord pair 64', and into the receiving portion Rx of the transceiver 66 ⁇
  • the signal is properly transmitted from the transmitting portion of the transceiver 66 to the receiving portion of the transceiver 66'.
  • a parallel transmission path can be traced from the transmitting portion Tx of the transceiver 66' to the receiving portion Rx of the transceiver 66. More specifically, the signal travels from the transmitting portion Tx of the transceiver 66' through Fiber 12 of the patch cord pair 64', through the duplex adapter 62' into Fiber 12 of the second fan-out unit 36', through the second array adapter 30 into Fiber 12 of the cable 10, through the first array adapter 30 and into Fiber 1 of the first fan-out unit 36, and through the duplex adapter 62 into Fiber 1 of the patch cord pair 64 for delivery into the receiving portion Rx of the transceiver 66.
  • the signal is properly - transmitted from the transmitting portion Tx of the transceiver 66' to the receiving portion Rx of the transceiver 66.
  • the cable 10 can be configured such that, rather than the contact surfaces 28 of the ferrules 22, 22' facing slightly upwardly, the ribbon 12 can be oriented such that the contact surfaces 28 face slightly downwardly while the keys 26 still project upwardly.
  • Such a modification would employ fan-out units 36 that have contact surfaces that face slightly upwardly as their keys 50 extend upwardly.
  • a duplex adapter 162 having a faceplate 200 is shown therein.
  • the faceplate 200 houses an array 202 of ports 201a-2011 and 203a-2031 arranged in two rows.
  • each of the ports 201a-201I is oriented such that it receives an alignment key from a mating connector that extends downwardly
  • each of the ports 203a-2031 is oriented such that it receives an alignment key from a mating connector that extends upwardly.
  • the faceplate 200 includes visual indicia 204 that, like the visual indicia 104 of faceplate 100, indicates an "ALPHA" module, and further includes visual indicia 206a, 206b that indicate the insertion of Fibers 1-12 in ports 203a-2031 in ascending order and the insertion of Fibers 13-24 in ports 201a-2011 in ascending order.
  • Visual indicia 208, 210a, 210b are positioned on the opposite end of the faceplate 100 and are analogous to the visual indicia 108, 110 of the faceplate 100.
  • the visual indicia 204, 206a, 206b are easily read and inform an operator that this is an ALPHA module, and that the visual indicia 208, 210a, 210b are more difficult to read.
  • the faceplate 200 were rotated 90 degrees clockwise from the position in Figure 6.
  • the visual indicia 208, 210a, 210b would be more easily read by an operator, who would understand this to be a BETA module.
  • faceplates may be configured to receive any number of cables (e.g., four or eight cables). Also, faceplates may be configured to receive different numbers of fibers per cable, although even numbers of fibers (i.e., fibers in pairs) are most typical.

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Light Guides In General And Applications Therefor (AREA)
  • Mechanical Coupling Of Light Guides (AREA)
  • Optical Couplings Of Light Guides (AREA)

Abstract

L'invention porte sur une unité de distribution en éventail de système de communication de données comportant: une série de fibres optiques; et une plaque frontale présentant plusieurs ports disposés au moins sur une rangée, connectés chacun à l'une des fibres optiques et conçus pour s'y raccorder. La plaque frontale comporte: une première marque visuelle associée aux ports et indiquant un arrangement selon lequel les fibres optiques correspondantes doivent être insérées dans les ports correspondants, la première marque visuelle étant facilement lisible lorsque la plaque frontale est soit dans une première orientation horizontale ou verticale, mais difficilement lisible lorsque la plaque frontale est dans une deuxième orientation horizontale inversée par rapport à la première orientation horizontale ou dans une deuxième orientation verticale inversée par rapport à la première orientation verticale.
PCT/US2006/020726 2005-05-31 2006-05-31 Systeme de connectivite d'un reseau de fibres optiques muni de marques pour faciliter des connexions a quatre orientations et a double fonctionnalite WO2006130549A2 (fr)

Priority Applications (3)

Application Number Priority Date Filing Date Title
GB0721457A GB2440473B (en) 2005-05-31 2006-05-31 Optical fiber array connectivity system with indicia to facilitate connectivity four orientations for dual functionality
DE112006001379T DE112006001379B4 (de) 2005-05-31 2006-05-31 Anschlusssystem für Lichtwellenleitergruppen, mit Markierungen zur Erleichterung einer Anschlussmöglichkeit in vier Ausrichtungen für duale Funktionalität
CN2006800193120A CN101203787B (zh) 2005-05-31 2006-05-31 具有便于四方位双重功能连接的标记的光纤阵列连接系统

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US68597705P 2005-05-31 2005-05-31
US60/685,977 2005-05-31
US40518106A 2006-04-17 2006-04-17
US11/405,181 2006-04-17

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WO2006130549A2 true WO2006130549A2 (fr) 2006-12-07
WO2006130549A3 WO2006130549A3 (fr) 2007-02-01

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CN (1) CN101203787B (fr)
DE (1) DE112006001379B4 (fr)
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US8406587B2 (en) * 2010-05-06 2013-03-26 Commscope, Inc. Of North Carolina Quad small form factor pluggable (QSFP) adapter module
DE102012020589A1 (de) * 2012-10-22 2014-04-24 Reichle + De-Massari Ag Verbindungsvorrichtung
DE102012020590A1 (de) * 2012-10-22 2014-04-24 Reichle + De-Massari Ag Verbindungsvorrichtung
CN114930215B (zh) * 2020-02-18 2024-04-12 住友电气工业株式会社 带光连接器的光纤连接构造及模块

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DE112006001379T5 (de) 2008-04-10
CN101203787B (zh) 2010-05-19
WO2006130549A3 (fr) 2007-02-01
CN101203787A (zh) 2008-06-18
GB2440473A (en) 2008-01-30
GB0721457D0 (en) 2007-12-12
GB2440473B (en) 2010-04-14
DE112006001379B4 (de) 2013-10-10

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