A fiber-based optical amplifier is assembled in a compact configuration by utilizing a flexible substrate to support the amplifying fiber as flat coils that are “spun” onto the substrate. The supporting structure for the amplifying fiber is configured to define the minimal acceptable bend radius for the fiber, as well as the maximum diameter that fits within the overall dimensions of the amplifier package. A pressure-sensitive adhesive coating is applied to the flexible substrate to hold the fiber in place. By using a flexible material with an acceptable insulative quality (such as a polyimide), further compactness in the final assembly is achieved by locating the electronics in a space underneath the fiber enclosure.

Packaged dispensers mountable to optical network terminals (ONT) are disclosed. In some examples, the dispensers include coreless wound coils and excess storage areas. Additionally, fiber optic cable distribution systems and methods thereof utilizing the disclosed coreless wound coils are further disclosed. In one example, a length of telecommunications cable is wound into a coreless coil that includes a plurality of winding separators at least partially embedded within the coil, wherein the length of telecommunications cable alternately passes on one of the first and second sides of one winding separator and on the other of the first and second sides of an adjacent winding separator. In one example, an initially cylindrically shaped coreless wound coil, with or without winding separators, can be placed into a non-round package in which the wound coil is deformed and compressed by the sidewalls of the package such that the coreless wound coil conforms to the interior perimeter of the package to have a non-cylindrical shape.

A terminal system assembly includes a base plate, a spool, an adapter module, and a spool locking washer. The base includes a spindle. The spool may be rotatingly coupled with the spindle of the base plate and to receive an input fiber cable. The adapter module may couple a fiber of the input fiber cable with a fiber of an output fiber cable. The spool locking washer may couple the adapter module with the spindle and may prevent rotation of the spool and the adapter module.

A cell site includes a tower, a multi-service terminal mounted to the tower and a base transceiver station in communication with the multi-service terminal. The multi-service terminal includes a housing and a plurality of adapters mounted to the housing. Each of the adapters includes an outer port accessible from outside the housing and an inner port accessible from inside the housing.

Multi-core fibers are optical fibers each of which has a circular cross section. In each of the multi-core fibers, a plurality of cores are arranged at a prescribed interval, the peripheries thereof are covered by a cladding, and a resin coating is formed on the outer periphery of the cladding. In a cross section of this optical fiber ribbon, said cross section being orthogonal to the length direction, the multi-core fibers are arranged such that the cores of all of the multi-core fibers are all arranged in the same direction. The multi-core fibers are arranged such that central lines of the respective multi-core fibers, said central lines respectively linking three of the cores, all face the thickness direction of the optical fiber ribbon. Furthermore, in the optical fiber ribbon, the arrangement of the cores is substantially constant along the entire length of the optical fiber ribbon in the length direction.

An object is, in a pluggable optical module, to compactly house an optical fiber used for connecting optical components in a housing in which a plurality of optical components are mounted. The pluggable optical module (100) includes: a plurality of optical components, a printed circuit board (51); one or more optical fibers; and optical fiber housing means (14). All or a part of the plurality of optical components are mounted on the printed circuit hoard (51). One or more optical fibers connect between the plurality of optical components. The optical fiber housing means (14) includes a guide that is disposed on a plate-like member and can wind the one or more optical fibers, and mounted to he stacked with the printed circuit board (51) on which the optical components are mounted and all or a part of optical components other than the optical components mounted on the printed circuit board (51).

A conductor spool with a frame is provided with a plurality of first fingers, the first fingers and the frame defining a first spool surface. The frame is provided with an entry slot and an exit slot, a retainer gasket coupled to the frame proximate each of the entry slot and the exit slot. A cover is seated upon the frame, the cover enclosing the first spool surface. The conductor spool may be included in a wire harness and conductor spool assembly, the conductor spool seated upon a conductor lead furcated from a composite cable including at least one optical and at least one electrical conductor.

An network interface device (NID) cabinet has removably mounted or fixedly mounted cable spools. The NID cabinet is a small enclosure, typically made of plastic, which sits on the outside wall of an end user's building, such as a home or office. Pre-terminated cables are spooled around each cable spool, and the cable connector at one end of each cable is connected to a network interconnection junction within the NID cabinet. A series of interlocking mounting features are formed on both the cable spool and the mating NID cabinet back wall. Two different types of mounting features enable the cable spool to be removably or fixedly mounted within the NID cabinet. When fixedly mounted, the cable spool can still be removed from the NID cabinet, but only if the spooled cabled is completed un-spooled and removed from the cable spool.

A telecommunications chassis comprises a cable sealing portion defining at least one cable opening configured to sealably receive a cable and a module mounting portion extending from the cable sealing portion, which further comprises a housing defining an open front closable by a door to define an interior, a rear wall, a right wall, and a left wall. A plurality of module mounting locations is provided in a vertically stacked arrangement, each configured to receive a telecommunications module through the open front. An exterior of the housing includes a first column of radius limiters defining curved profiles for guiding cables from the front toward the rear with bend control. A second column of radius limiters in the form of spools is spaced apart and generally parallel to the first column of radius limiters and a third column of radius limiters, at least some of which are in the form of spools, is also spaced apart and generally parallel to the first and second columns of radius limiters. The rear wall defines an opening for accessing from the exterior of the housing rear ends of modules to be mounted in the housing for signal input, wherein the exterior also includes a plate at least partially overlapping the opening for protection of cables entering the opening.

A cable (10) includes a cable body (11) that is formed from a plurality of wires (14) that are integrally bundled; and a pair of sockets (12) to which both end portions of the cable body (11) is separately affixed; at least one of the plurality of wires (14) being a fiber-containing wire (16), which is formed by an optical fiber (17) that extends in a cable length direction (D) and that is protected by a protective tube (18); wherein the optical fiber (17) protrudes from the protective tube (18), in the cable length direction, further outside than the socket (12); and each of the pair of sockets (12) is provided with a spool (30) that removably holds the optical fiber (17) and imparts an initial tensile strain to the optical fiber (17).