Abstract: A fiber optic drawer tray for fiber optic equipment having a rotatable spool for deployment of fiber optic cable comprises a horizontal base and a pair of housing engagement features on opposite sides of the horizontal base, for movably engaging with at least one tray engagement feature of a drawer housing. The fiber optic drawer tray also comprises a rotatable spool disposed on the base, and a fiber optic adapter sub-assembly configured to receive and retain a plurality of fiber optic adapters mounted to the rotatable spool. The spool is further configured to store a length of fiber optic cable wound around the spool. The fiber optic cable can be terminated by a plurality of connectors and can be connected to the plurality of adapters. The spool is continuously rotatable to spool or unspool the fiber optic cable without disconnecting the plurality of connectors.

Abstract: Aspects and techniques of the present disclosure relate to a method for mating a first high fiber count optic cable including a first plurality of optical fiber ribbons with a second high fiber count optic cable including a second plurality of optical fiber ribbons. The method can include: stripping a portion of the first and second high fiber count optic cables; cutting-off each of the first and second pluralities of optical fiber ribbons at different lengths such that cut ends of each of the first and second pluralities of optical fiber ribbons are staggered relative to one another; installing a first and second plurality of multi-fiber connectors respectively on the cut ends; optically coupling the first and second plurality of multi-fiber connectors; and mounting a protective sleeve over exposed portions of the first and second pluralities of optical fiber ribbons of the first and second high fiber count optic cables.

Abstract: A cable supporting device includes a channel member having a top flange, a bottom flange, and an outer wall defining an inward facing channel. The channel extends around a curved back section, a first side section, and a second side section. A cross brace extends from the first side section to the second side section. The cable supporting device is used in a distribution system to store excess cable.

Abstract: A telecommunications enclosure (20) including a housing (22) with a dome (24) that connects to a base (26). The enclosure (20) includes an insert assembly (28) that fits within the housing (22) and the insert assembly (28) includes a sealing unit (30) that fits within the base (26) and defines a plurality of cable ports (32). The insert assembly (28) also includes a frame (34) attached to the sealing unit (30) and a telecommunications component (36) mounted to the frame (34). The enclosure (20) further includes a mounting bracket (38) for mounting the housing (22) at a desired mounting location. The mounting bracket (38) has a first securement interface (114) for attaching the mounting bracket (38) to the base (26) of the housing (22) and a second securement interface (122) for attaching the mounting bracket (38) to the insert assembly (28).

Abstract: A fiber optic drop terminal assembly includes a housing, a spool and a fiber optic distribution cable. The housing has a first exterior surface and an oppositely disposed second exterior surface. A plurality of ruggedized adapters is mounted on the first exterior surface of the housing. The ruggedized adapters include a first port accessible from outside the housing and a second port accessible from inside the housing. The spool is engaged with the second exterior surface and includes a drum portion. The fiber distribution cable is coiled around the drum portion. The distribution cable includes a first end and an oppositely disposed second end. The second end is disposed inside the housing.

Abstract: A compact point-of-entry fiber storage module includes a base, and a cover arranged to be fastened to the base for enclosing optical fibers when routed inside the module for storage. The base is constructed and arranged to mount a connector adapter at a selected one of multiple positions with respect to the base. The adapter has an axis, and first and second ports at opposite axial ends of the adapter. When the adapter is mounted at a selected position, optical fibers of various lengths that are routed and retained over the base for storage can connect to corresponding ports at the ends of the adapter without bending the fibers beyond a specified critical limit.

Abstract: An optical fiber distribution housing is provided. The housing includes an active fiber routing structure positioned between the splitter module and the plurality of optical splice ports and/or a guide structure defining an inactive fiber routing channel. The active fiber routing structure includes a plurality of channels, and each of the plurality of channels of the active fiber routing structure is associated with a subset of optical splice ports. Each channel receives a subset of active fibers from the splitter module and guides the active fibers to the subset of optical splice ports associated with the channel. The inactive fiber guide structure receives an inactive fiber and the fiber follows a path from the splitter modules along the first wall and through the inactive fiber routing channel to the inactive fiber retainer.

Abstract: A fiber demarcation box includes a rear panel extending along a plane in height and width directions that are perpendicular to one another. Outer sidewalls extend away from a perimeter of the rear panel in a depth direction that is perpendicular to the height and width directions. A bulkhead that adjoins the rear panel and the outer sidewalls 104 extends between opposite facing ones of the outer sidewalls in the height direction so as to divide the fiber demarcation box into first and second interior volumes. A cable plane divider in the first interior volume adjacent to the bulkhead includes a first planar section that extends away from the bulkhead in the width direction and is spaced apart from the rear panel in the depth direction.

Abstract: A device for connecting a hybrid trunk cable to one or more jumper cables includes: an enclosure having two opposed end walls and two opposed side walls; a power connector mounted to a first end wall; a fiber optic connector mounted to the first end wall; and a plurality of mixed media connectors mounted to a first side wall. The power connector is electrically connected to the plurality of mixed media connectors, and the fiber optic connector is optically connected to the plurality of mixed media connectors.

Abstract: The present disclosure illustrates to a fiber module rack system in which a rack includes receiving spaces which each is formed by two frame plates of a base panel. Shell bodies of fiber optic cassettes are mounted in the receiving spaces, and a fiber module is disposed at a front part of the shell body, and a resilient locking member is disposed between the sliding track and at least one side of the shell body, so that the user can quickly and easily dismount the fiber optic cassettes from the rack without using tool.

Abstract: A fiber optic splicing assembly is disclosed having an assembly housing and a fiber storing device. The assembly housing has a mounting side and an opposite outer facing side. The fiber storing device is removably mounted to the assembly housing, and is at least partially received in an assembly receiving passageway of a mounting wall.

Abstract: Aligning an optical fiber with an optical device, component or package such as an optical transducer or sensor is disclosed, A housing for an optical device is provided having a tapered surface to receive a correspondingly tapered portion of a ferrule in which a fiber is mounted. The tapered surfaces, which may for example be frusta-conical or conical, enable the optical device and ferrule to be quickly and precisely aligned. An optical device may be provided in a cavity which may be sealed by the mating tapered surfaces. The optical device may also be provided on a mounting bracket with flexible supports connected to the housing to accommodate thermal expansion of the housing and maintain alignment.

Abstract: A system may facilitate access to communication connectors that are supported within a housing. The system may include one or more of the devices, which each include a connection means supporting the connectors. The system may also include a device that manages, e.g., guides and supports cables that are operatively coupled to the connectors. The patch panel device may have at least one tray engageable with the housing and having a first position within the housing and a second position pulled out of the housing. A proximal arm may have a proximal segment pivotably coupled to a distal segment. The proximal and distal segments may be pivotably coupled to the tray and the housing, respectively. The system may include a cable retainer configured to guide the cables. As the tray transitions from the first position to the second position, the tray is capable of rotating with respect to the housing.

Abstract: A cable supporting device includes a first support and a second support. The first and second supports have respective first and second channel members with an inwardly facing opening. The channel members support and retain a cable or fiber optic component, for example a fiber optic cable or drop wire. The supports may be used in an enclosure.

Abstract: Optical termination box comprises: a base (10) articulating a lid (20) and fixing trays (80) for accommodating optical fiber splices and extensions; a panel (40) removably mounted on an opening (13) of a peripheral wall portion (12) of the base (10) and provided with cable openings (41) for passage of respective optical cables and connection openings (42) housing a respective fixed connector (50) for receiving a movable connector (55) of a respective approach cable (CA); a base plate (60) removably secured within the base (10) and carrying the anchoring means (65) and a support (70) that articulates trays (80), wherein the base plate (60), the anchoring means (65), the support (70) and the trays (80) form an internal module (IM) removable from the base (10) together with the panel (40) without dismantling of the anchors and optical connections between distribution cables (CD) and any extension cables (EC) and approach cables (CA).

Abstract: An apparatus for releasably attaching a fiber optic module to equipment is disclosed. The apparatus comprises a latch configured to releasably attach the fiber optic module to equipment. The apparatus further comprises a pushrod configured to deactivate the latch from a back end of the fiber optic module, wherein the fiber optic module is released from the equipment. In one embodiment, the fiber optic module is a high-density fiber optic module. The pushrod may be further configured to maintain a position of the latch. The pushrod may also be further configured to be positioned in a groove disposed in a side of a main body of the fiber optic module, wherein the pushrod and the groove are configured to prevent the pushrod from binding while moving within the groove.

Abstract: An optical fiber distribution system including a rack and elements which populate the rack including fiber terminations. Each element includes a chassis and a movable tray. The movable tray includes a synchronized movement device for moving a cable radius limiter. The tray includes cable terminations which extend in a line generally parallel to a direction of movement of the movable tray. Each of the cable terminations are mounted on hinged frame members positioned on each tray. The cables entering and exiting the movable tray follow a generally S-shaped pathway.

Abstract: A pressure housing apparatus including a first cable termination shell, a housing connected to the first cable termination shell, a pressure vessel slide shell provided to the hollow housing, a cable termination assembly oriented within the housing, a plurality of pass through widows provided from the interior of the housing to the splice trays, and a plurality of circumferentially oriented splice trays provided to the cable termination assembly configured for receiving fiber tubes.

Abstract: A telecommunications cabinet includes a cabinet housing; a fiber optic splitter; a plurality of spools disposed on a cable management surface; a panel oriented at a fixed angle relative to the access opening so that the panel extends laterally and rearwardly between the access opening and the cable management surface; and a plurality of adapters disposed on the panel.

Abstract: Optical connector arrangements terminate at least seventy-two optical fibers. The optical connector arrangements include multiple optical ferrules that each terminates multiple optical fibers. Some example optical connectors can terminate about 144 optical fibers. Each optical connector includes a fiber take-up arrangement and a flange extending outwardly from a connector housing arrangement. The fiber take-up arrangement manages excess length of the optical fibers. A threadable coupling nut can be disposed on the connector housing arrangement to engage the outwardly extending flange. Certain types of optical connector arrangements include furcation cables spacing the connector housing arrangement form the fiber take-up arrangement.

Abstract: A fiber optic telecommunications device includes a frame and a fiber optic module including a rack mount portion, a center portion, and a main housing portion. The rack mount portion is stationarily coupled to the frame, the center portion is slidably coupled to the rack mount portion along a sliding direction, and the main housing portion is slidably coupled to the center portion along the sliding direction. The main housing portion of the fiber optic module includes fiber optic connection locations for connecting cables to be routed through the frame. The center portion of the fiber optic module includes a radius limiter for guiding cables between the main housing portion and the frame, the center portion also including a latch for unlatching the center portion for slidable movement. Slidable movement of the center portion with respect to the rack mount portion moves the main housing portion with respect to the frame along the sliding direction.

Abstract: Removable fiber management sections for fiber optic housings, and related components and methods are disclosed. In one embodiment, a fiber optic system is provided. The fiber optic system comprises a fiber optic housing defining at least one interior chamber configured to support fiber optic equipment. The fiber optic system also comprises a removable front section connected to the fiber optic housing and defining at least one front section interior chamber coupled to the at least one interior chamber of the fiber optic housing. The removable front section is configured to support at least one fiber management device to manage one or more fibers connected to fiber optic equipment disposed in the enclosure. In another embodiment, a method of managing optical fiber in a fiber optic system is provided.

Abstract: An air conditioner includes a control box assembly capable of efficiently utilizing a space inside a control box and easily performing inspection and repair of a circuit unit disposed in the control box. The air conditioner includes a case that constitutes an exterior and a control box assembly mounted in the case, wherein the control box assembly includes a control box in which an accommodation portion is formed, a sliding panel having one side on which a circuit unit is mounted and being accommodated in the accommodation portion so as to be taken out of the control box, and a rotation panel having one side on which the circuit unit is mounted and being rotatably mounted at one side of the control box.

Abstract: Optical fiber distribution enclosure (1), comprising a housing base (40) and a housing cover (20), engageable with each other to form a housing of the enclosure (1), a slack fiber storage device (50), arranged within the housing when the housing base (40) and the housing cover (20) are engaged with each other, a tray holder (60), arranged within the housing when the housing base (40) and the housing cover (20) are engaged with each other, on which tray holder (60) one or more fiber-optic trays (70) can be mounted, characterized in that the housing base (40), the slack fiber storage device (50) and the tray holder (60) are integrally formed as one piece.

Abstract: A fiber optic cable connectivity assembly for managing fiber optic interconnections includes a cabinet having an outer facing surface and an inner facing surface surrounding an interior cavity: an adapter bracket that is selectively positionable between a raised position and a lowered position, and the adapter bracket being configured for selective connection with at least one adapter component; a first mounting connector and an oppositely disposed second mounting connector each being secured to the inner facing surface of the cabinet, and each of the first and second oppositely disposed mounting connectors including a plurality of protruding components extending therefrom; and a first extension arm and an oppositely disposed second extension arm each being secured to the adapter bracket, and each of the first and second oppositely disposed extension arms defining a plurality of L-shaped cutout sections each being correspondingly aligned for engaged receipt of one of the plurality of protruding components to

Abstract: A break-out assembly includes an enclosure defining a first port at the first end to receive an optical cable and a second port at the second end to receive a plurality of break-out cables. Each port leads to the interior of the enclosure. A cable retention region defined within the enclosure at the second end is configured to enable the break-out cables to each secure to the enclosure at one of a plurality of axial locations. Certain types of break-out assemblies include other cable retention regions to axially and/or rotationally secure the optical cable to the enclosure. A splice retention region is disposed within the enclosure between the first port and the second cable retention region. The splice retention region receives optical splices at which optical fibers of the optical cable are spliced to optical fibers of the break-out cables.

Abstract: A payout cassette for a cable, which extends between first and second ends, stores and pays-out the cable. The cassette includes a storage area and a transitioning area. The storage area stores a stored portion of the cable between first and second generally parallel cable constraining surfaces that are spaced a distance from each other. The distance is sufficiently large to allow a single cable thickness to slide between the cable constraining surfaces and is sufficiently small to prevent another cable thickness from crossing over the signal cable thickness within the storage area. Thus, the storage area includes a single cable layer and thereby keeps the cable from becoming tangled. The transitioning area is adapted to transition the cable from the stored portion within the storage area to a paid-out portion of the cable that is external to the storage area. The transitioning area is at least partially positioned within an interior of the storage area.

Abstract: An optical fiber module rack system includes a rack including multiple accommodation chambers, opposing first and second sliding grooves located in each accommodation chamber, and a stop block located at each of opposing front and rear ends of each first sliding groove, and optical fiber storage boxes each including a box body mounted in one respective accommodation chamber, a first optical fiber module and second optical fiber module mounted in opposing front and rear sides of box body and connected together, two guide rails located at two opposite lateral sidewalls of box body and respectively coupled to first sliding groove and second sliding groove of respective accommodation chamber, two elastic retainer strips respectively extended from opposite ends of one guide rail and provided with a respective hook block for engagement with one respective stop block, and elongated press member extended from other guide rail for pressing by external force to disengage hook blocks from respective stop blocks for allo

Abstract: The present description relates to an optical fiber interconnection tray. The interconnection tray has a base extending longitudinally from a first end to a second end, with a cable entrance at the first end of the tray. A first interconnection layer is disposed on the base, and a second interconnection layer is positioned over at least a portion of the first interconnection layer, wherein the second interconnection layer is disposed on a first repositionable mezzanine attached to the base at a plurality of locations.

Abstract: Embodiments disclosed herein include fiber optic connectors that include a tray that translates from a retracted position to an extended position along with cable assemblies using the connector and methods for making the same. In one embodiment, the connector includes a housing, a fiber optic body having an optical interface with at least one optical channel, at least one optical fiber in optical communication with the at least one optical channel of the optical interface, a tray that is movable between a first position that retracts the tray into the housing and a second position where the tray extends from the housing, wherein the fiber optic body is essentially stationary with respect to the tray, and an actuator for moving the tray between the first position and the second position.

Abstract: The present invention relates to an optical fiber organizer (1) comprising at least one fiber storage means (4, 10, 19), a first support (3) for supporting the storage means, whereby the storage means (4, 10, 19) are rotatable connected to the first support (3), a second support (2) with at least one cable termination retention means for securing an incoming or outgoing cable having at least one optical fiber, characterized by the first support (3) being rotatably connected to the second support (2).

Abstract: An optical module includes an optical lens block, an optical fiber connector, a fixing sheet, a fixing pin, two fixing arms, two elastic sheets and two elastic engagement portions. The optical fiber connector is optically coupled to the optical lens block. The fixing pin is inserted into a first opening on the optical lens block and a second opening on the optical fiber connector. The two fixing arms are positioned at the fixing sheet. The optical lens block and optical fiber connector are positioned between the fixing arms. The elastic sheets are respectively positioned at the front ends of the fixing arms. The elastic sheets press upon the optical lens block to push the optical lens block. The elastic engagement portions are respectively positioned at the rear end of the fixing arms and press upon the optical fiber connector to push the optical fiber connector.

Abstract: A total front access double sided frame includes a first access side opposite a second access side, and fiber blocks received in the first and second access sides. The fiber blocks may include splice modules and patch modules and have capacity to receive about 6,900 fiber terminations.

Abstract: The unit for retaining/securing a fiber optic cable comprises an enclosure including a tray having a back base plate, a top and a bottom sides and a unit for retaining/securing a fiber optic cable, disposed in an interior of the enclosure. The bottom side is provided with a pair of identical apertures. Each aperture resembles to a flat shovel having an upper rectangular shape continued by a circular sector; the aperture is so profiled as to engage alternatively a biting-retaining fixture for inserting a cable or an exit grommet for a leaving cable; the former is made of a rigid plastic, while the second—of a soft, elastic polymer. The unit for retaining/securing a fiber optic cable is actuated by a shifting lever, having a shape of an angled, cantilevered part with a longitudinal axis of symmetry bent generally at 90 degrees.

Abstract: A fiber optic drop terminal assembly includes a housing, a spool and a fiber optic distribution cable. The housing has a first exterior surface and an oppositely disposed second exterior surface. A plurality of ruggedized adapters is mounted on the first exterior surface of the housing. The ruggedized adapters include a first port accessible from outside the housing and a second port accessible from inside the housing. The spool is engaged with the second exterior surface and includes a drum portion. The fiber distribution cable is coiled around the drum portion. The distribution cable includes a first end and an oppositely disposed second end. The second end is disposed inside the housing.

Abstract: An adapter panel arrangement including a chassis and a panel of adapters. The adapters defining open rearward cable connections and open forward cable connections of the panel arrangement. The adapters being arranged in arrays that slide independently of other adapter arrays to provide access to the open rearward and open forward cable connections.

Abstract: An optical fiber cable management panel includes drawer assemblies, each including a drawer slidable within a chassis. Each drawer assembly defines a storage interior and a first cable access entry to permit optical fiber cables to enter into the storage interior. A cable radius limiter is slidably mounted relative to the drawer assembly, the cable radius limiter defining a curved cable trough. A control mechanism controls movement of the radius limiter relative to the drawer assembly. The control mechanism includes a rotating member that has an axis of rotation transverse to the slidable motion of the radius limiter and normal to the radius limiter.

Abstract: The present disclosure includes systems and apparatuses for an optical fiber management system. One embodiment of an optical fiber management system includes a cabinet comprising a system of building blocks that make up a rail-mounting system and an optical fiber management apparatus housed within one of the building blocks. The optical fiber management apparatus can comprise a housing, an adaptor plate resiliently connected to the housing, a splice tray, a housing cover, a radius limiter, and a base configured for integrated slack storage of at least one of buffer tube and ribbon cable.

Abstract: A telecommunications device includes a module that mounts within an interior of a housing. The housing has a door that latches closed. The module includes a module frame having a bulkhead that divides the interior of the housing into first and second regions. Fiber optic adapters are mounted to the bulkhead. First ports of the adapters are accessible at the first region of the housing interior and second ports are accessible at the second region of the housing interior. The module includes a removable cover for restricting access to the first region. The removable cover including a latch catch that interlocks with the door latch to secure the door in the closed position. The module includes a tray mounted to the module frame within the first region of the housing.

Abstract: An adapter panel arrangement including a chassis and a panel of adapters. The adapters defining open rearward cable connections and open forward cable connections of the panel arrangement. The adapters being arranged in arrays that slide independently of other adapter arrays to provide access to the open rearward and open forward cable connections.

Abstract: An adapter panel arrangement including a chassis and a panel of adapters. The adapters defining open rearward cable connections and open forward cable connections of the panel arrangement. The adapters being arranged in arrays that slide independently of other adapter arrays to provide access to the open rearward and open forward cable connections.

Abstract: Improved cable troughs and related methods of use are provided. The present disclosure provides improved cable troughs configured to support media cables, and related methods of use. More particularly, the present disclosure provides advantageous systems/methods for the design and use of cable troughs configured to support media cables associated with a rack or the like. Disclosed herein is an advantageous cable trough having front and rear walls extending from a bottom wall, with the front, rear and bottom walls defining a channel that is configured and dimensioned to support and/or at least partially house media cables or the like. The exemplary cable trough includes attachment features/structures that are advantageously configured and dimensioned to releasably mount with respect to a supporting structure. Moreover, the attachment features/structures of the cable trough allow the cable trough to be releasably mounted at various angled positions relative to the supporting structure.

Abstract: Methods, systems, and apparatuses that facilitate installation of a communications cable, e.g., an optical fiber cable, are disclosed. The system may include a communications cable and an adhesive for securing the cable to a surface. The method may include the use of an adhesive to secure the communications cable to a surface. The apparatus may include a pathway to avoid over-bending of the communications cable, which may otherwise result in transmission loss and compromise the performance of the cable.

Abstract: This invention discloses patch-panel systems for organized configuration management of large numbers of fiber optic interconnection strands, wherein each strand transmits high bandwidth signals between devices. In particular, a system for the programmable interconnection of large numbers of optical fiber strands is provided, whereby strands connecting a two-dimensional array of connectors are mapped in an ordered and rule based fashion into a one-dimensional array with substantially straight lines strands there between. The braid of fiber optic strands is partitioned into multiple independent, non-interfering zones or subbraids. The separation into subbraids provides spatial clearance for one or more robotic grippers to enter the free volume substantially adjacent to the two-dimensional array of connectors and to mechanically reconfigure one or more optical fiber strands without interrupting or entangling other fiber optic strands.

Abstract: A fiber distribution hub (FDH) can include an enclosure defining an interior region and a frame body having a longitudinal axis. The frame body is rotatably mounted within the interior region of the enclosure such that the frame body can rotate about the longitudinal axis relative to the enclosure. The FDH further includes a plurality of splitters coupled to the frame body. Each splitter module has at least one splitter input and at least two splitter outputs. The FDH also includes a first plurality of adapters coupled to the frame body. The first plurality of adapters is configured to optically couple to splitter output cables. Additionally, the FDH can also include a storage retaining module configured to be selectively coupled to the frame body. The storage retaining module includes a storage retaining structure configured to selectively secure a cable portion of a connectorized end of a splitter output cable.

Abstract: The present invention relates to an integrated repeater and an integrated relay system.

Abstract: A splitter module includes an optical splitter configured for splitting an input optical signal into two or more output optical signals. The splitter module also includes a housing that encloses the optical splitter. The housing has a first end and a second end, and defines a first opening facing the first end and a second opening at the second end. The splitter module includes an input boot configured to receive one or more input fiber cables and an input fan-out mounted at the first opening and coupled to the input boot. The splitter module further includes an output fan-out mounted at the second opening, and an output boot coupled to the output fan-out.

Abstract: Cassettes for optical cables with a plurality of adapters for connecting external devices to the cassette. The cassettes may be hingedly connected to a drop handle that is configured to inhibit access to the plurality of adapters when in a stored position, and allows access when in an open position. The drop handle includes a channel configured to guide cables to at least one side of the cassette while maintaining their connection to the plurality of adapters. The cassettes may also include an opening configured to allow the cables to exit the drop handle on at least one side of the cassette. A flexible radius controller may be connected to the opening and is configured to flex when the cassette is removed from a housing.

Abstract: A universal cable bracket that enables one or more cables to be secured to a telecommunications chassis accommodates cables of various sizes and styles. The cable bracket is configured to be mounted in one of multiple orientations relative to the chassis. One or more fasteners can be inserted through apertures in the bracket and a chassis mounting surface to secure the bracket into the desired orientation. Cables or fanout arrangements can be secured to a platform of the bracket via cable ties or other windings.

Abstract: Splice cassettes for optical cables and optical devices may include a tray base having a tray top surface. A tray center portion may be defined on the tray top surface inside a plurality of tray cable securing members arranged around a center-portion periphery of the tray center portion with a tray proximal zone and a tray distal zone. A device holder may be removably and hingedly attached to the tray base. An inner surface of the holder may have a holder proximal zone in which at least one device securing member may be disposed and configured to secure an optical device to the inner surface. When the device holder is closed and an optical device is secured in the at least one device securing member of the device holder, the holder distal zone may overlie the tray distal zone and the optical device may overlie the tray proximal zone.