Abstract:
A transition device for an optical fiber connection system adapted to interconnect a trunk cable with a plurality of transceivers includes: a first set of at least four optical fibers, each of the optical fibers having a trunk end and a transceiver end; a single trunk end terminal having a plurality of trunk ports arranged in a first row, each port connected with a respective one of the set of optical fibers at its trunk end, wherein a first axis of symmetry divides the ports; and a plurality of transceiver end terminals, each of the transceiver end terminals having even numbers of transceiver ports, each of the transceiver ports receiving a respective one of the set of optical fibers at their transceiver ends. The arrangement of fibers received by each transceiver end terminal meet either of the following two conditions: (a) a first fiber originates from a first port in the trunk end terminal, and a second fiber originates from a second port in the trunk end terminal that is positioned at the mirror image location of the first port about the first axis of symmetry; or (b) each fiber is received in a first transceiver end terminal that has a corresponding second transceiver end terminal with the same number and arrangement of transceiver ports, and each fiber received in the first transceiver end terminal originates from a port in the trunk end terminal that has a mirror image port about the first axis of symmetry from which a fiber that is received in the second transceiver end terminal originates.
Abstract:
Methods for collecting information regarding a remote connector port that is connected to a patch panel connector port by a communications cable that has at least one data communications channel and a separate control channel are provided in which a first conductor of the separate control channel of the communications cable is biased to power an integrated circuit chip that is associated with the remote connector port. A first signal is transmitted over the separate control channel of the communications cable to the integrated circuit chip associated with the remote connector port. A second signal is received from the integrated circuit chip over the separate control channel of the communications cable in response to the first signal. The second signal includes information regarding the remote connector port.
Abstract:
A fiber optic adapter releasably retains at least one optical fiber connector and includes a body portion having a first side, a second side, and a through-opening between the first side and the second side, a first housing projecting from the body portion first side, the first housing including a bore for receiving the at least one optical fiber connector and having at least one sidewall and an end wall, the housing overlying the through-opening, and a retainer mountable on the first housing and including first and second flexible arms for engaging opposite sides of the first housing to attach the retainer to the first housing, the retainer including at least one projection configured to block the removal of the at least one optical fiber connector from the bore when the flexible arms engage the opposite sides of the first housing.
Abstract:
A fiber management device includes a first member having a floor, a first end, a second end and first and second sides, the first end including at least one holder for securing at least one optical fiber adapter to the first member, the second end including a frame holding a plurality of fiber optic connectors, the first side and second sides including first and second fiber guide structures. A first optical fiber connector is in the at least one holder, and includes a first plurality of optical fibers forming a first loop on the floor that contacts the first fiber guide structure and the second fiber guide structure. A second member includes a housing releasably connected to the first member and defining with the first member an enclosure for the first loop.
Abstract:
A patch panel system includes a patch panel frame having an opening formed therein for receiving a multi-port module. The opening is dimensioned to have a width of at least twice the width of the module. The module or patch panel frame includes at least one movable member, such as a resilient tab, which is used to removably attach the module within the opening in one of two orientations. In a first orientation, the ports of the module face a user, such that the ports can be easily populated. In a second orientation, the module is rotated one hundred eighty degrees about a vertical axis prior to being attached within the opening, such that the backs of the ports face the user to help facilitate population of connections to the backs of the ports.
Abstract:
A system and method for estimating a location of a subscriber station receiving a first signal from a first base station and receiving a second signal from a second base station where the first and second base stations are nodes in a WiMAX or LTE network. A message may be received from the subscriber station containing first and second information, and a range ring determined from the first base station using the first information. A location hyperbola may be determined using the second information wherein the location hyperbola has the first and second base stations as foci. A location of the subscriber station may be estimated using the range ring and the location hyperbola.
Abstract:
A network interface unit includes an input for receiving downstream signals from an optical fiber, an optical pathway leading from the input, a laser connected to the optical pathway for transmitting upstream signals in a first wavelength band, and a receiver for receiving downstream signals in a second wavelength band that doesn't overlap with the first wavelength band. A first filter is provided for filtering signals in a third wavelength band from the optical pathway before signals in the third wavelength band reach the receiver, and a second filter is provided between the input and the laser for filtering signals in a fourth wavelength band from the optical pathway, the fourth wavelength band not overlapping with the first wavelength band or the third wavelength band, and an arrangement is also provided for preventing processing of the fourth wavelength band downstream of the second filter. Also a filtering method.
Abstract:
A cable management system or member has an optional enclosure and annular hubs defining an axis. A rotatable support frame is attached to the annular hubs, with a patching field having a plurality of ports and first and second primary sides attached to the rotatable support frame. Rotation of the rotatable support frame about the axis produces corresponding rotation of the annular hubs. When cable bundles pass through the annular hubs, they may also rotate with the support frame, reducing or eliminating the need for cable slack loops and reducing or eliminating stress at cable/port connection points.
Abstract:
A coaxial cable may include an inner conductor, an outer conductor and a dielectric material layer therebetween. The inner conductor may include a tubular bimetaliic layer and may have a pair of opposing longitudinal edge portions at a longitudinal seam. The tubular bimetallic layer may include an inner metal layer and an outer metal layer bonded thereto and coextensive therewith. In addition, the opposing longitudinal edge portions may be angled inwardly to define a pair of adjacent inwardly extending tabs.
Abstract:
An enclosure (1) for housing fiber optic splices between a fiber optic distribution cable (72) and fiber optic customer drop cables (70) includes a first door (11) providing access to a first area of the enclosure housing couplers for receiving terminals of customer drop cables. The enclosure also includes a second door (13) providing access to a second area of the enclosure for accommodating slices in one or more distribution cables. The second area is not accessible via the first area.