A cable fixation structure for fixing at least a portion of a fiber optic cable to a telecommunications fixture against strain relief includes a base portion configured to be mounted to the telecommunications fixture and a removable cable holder portion that is slidably inserted into the base portion, wherein the cable holder portion is configured for fixing the at least a portion of the fiber optic cable.

An integrated connector-wavelength division multiplexing (WDM) device includes a housing defining a housing interior and a connector interface having at least one ferrule, a device input optical fiber extending from the housing to carry an input optical beam, a device output optical fiber extending from the housing to carry an output optical beam, and a plurality of channel filters positioned in the housing interior. A first channel filter is connected to the input optical fiber and a second channel filter is connected to the output optical fiber, wherein each of the plurality of channel filters is configured to separate at least one optical signal from a plurality of optical signals of the input optical beam and provide the at least one optical signal to the at least one ferrule. A fiber optic module or submodule having one or more integrated connector-WDM devices is also disclosed.

A housing structure includes: an optical cable including optical fibers; connector units branching off from the optical cable; and a housing body that houses the connector units. Each of the connector units includes: a first tube through which the optical fibers pass; second tubes through each of which the optical fibers branching off from the first tube pass; and a connector group constituted by optical connectors that are each disposed at an end part of each of the second tubes. The connector group of each of the connector units is disposed at a different position in a length direction from the connector group of any other one of the connector units. The first tube of each of the connector units other than a first connector unit that is shortest among the connector units overlaps in the length direction the connector group of the first connector unit.

There is disclosed a fiber optic cassette comprising a cassette body comprising a plurality of optic fiber receptacles arranged along a front thereof and a multifiber receptacle along a back thereof opposite the first end, the front and back defining a cable assembly receiving region there between, and a plurality of optic fibers. Each of the optic fibers terminated at a first end by one of the receptacles and all of the plurality of optic fibers terminated at a second end the multifiber receptacle. In an embodiment a casing is molded over a middle portion of each of the plurality of optic fibers and received within the cable assembly receiving region. In a particular embodiment the cassette is reversible and comprises a reversible securing element which is secureable on either side of the cassette body.

An optical distribution and splice frame system includes rack(s), enclosure(s), cable management component(s), and/or cassette(s) that have features to allow for different cable management configurations not yet available in the market. A fiber optic cassette and enclosure are designed to enable flexibility in cable management configurations for the overall system.

Disclosed are fiber optic assemblies for handling mini duplex connectors (MDC) including a rack-mountable chassis, independent sliding trays disposed in the chassis, and a plurality of MDC modules removably installable in the sliding trays. Each MDC module includes protruding features configured to interact with tray guides having corresponding features that permit vertical installation of the modules in the trays while preventing horizontal translation and rotational motion of the installed MDC modules. MDC modules may have various configuration, for instance MTP module, patching module and pre-terminated tailed module configurations. The assemblies and components disclosed herein maximize connections densities of MDC connectors while improving access thereto in high density applications.

A multi-core/single-core conversion module is disclosed. The multi-core/single-core conversion module includes a housing including a first end, a second end and a lateral wall defining an inner space between the first end and the second end, a first adapter attached to the first end of the housing, two or more second adapters attached to the second end of the housing, a multi-core optical connector inserted into the first adapter from the inner space of the housing, a plurality of single-core optical connectors respectively inserted into the second adapters from the inner space of the housing, and a plurality of optical fibers connecting the multi-core optical connector to the plurality of single-core optical connectors with each other. The second adapters are arranged on the second end across a plurality of tiers. An opening can be formed by a part of the lateral wall being detached.

Anchoring an input cable (190) at an input port (123, 223) of an enclosure (110) includes inserting the input cable (190) through an anchor member (151, 251) so that a cable jacket (191) terminates within the anchor member (151, 251) and at least one optical fiber (195) extends outwardly from the anchor member (151, 251). The anchor member (151, 251) is secured to the cable jacket (191) using the sheath (175). A cover (162, 260) is mounted to the anchor member (151, 251) to form a pass-through assembly (150, 250) defining an enclosed region. Material is injected into the enclosed region to fix strength members (197) and/or optical fibers (195) of the input cable (190) to the pass-through assembly (150, 250). The ruggedized pass-through assembly (150, 250) is disposed at a base (120, 220) of the enclosure (110).

A vehicle wiring system includes a plurality of functional units to be mounted in a vehicle, an optical transmission line that is wired between the functional units and configured to transmit an optical signal of the functional units, an optical coupler that is disposed in a partial section of the optical transmission line and constitutes a part of the optical transmission line, and a structural member that constitutes a part of the vehicle and is at least partially transparent. The optical coupler has an optical waveguide that passes through the structural member.

A fiber optic enclosure assembly for housing optical fiber connections includes: a housing portion; a bearing mount portion disposed within the housing portion; and a cable reel portion disposed within the housing portion. The cable reel portion is configured to be engaged with the bearing mount portion such that the cable reel portion selectively rotates; the cable reel portion is configured to be selectively rotatable in only a counterclockwise direction or only in a clockwise direction depending on the position of a latch portion; and the position of the latch portion is configured to permit the cable reel portion to rotate in only a selected one of the counterclockwise direction and the clockwise direction such that a cable can be paid out from the cable reel portion or wrapped onto the cable reel portion and the cable is prevented from unwinding in a direction opposite to the selected direction.