Abstract: There is provided an interface module (200), comprising: an interface (208) for connection with a signal connector (250); a cage (206) for guiding the signal connector towards the interface; and a heat sink (202). The cage (206) comprises a cage portion (212) that is configured to move from a first position to a second position upon insertion of the signal connector (250) into the cage. In the first position, the cage portion is not in thermal contact with the heat sink; when in the second position, the cage portion is in thermal contact with the heat sink. The cage portion (212) comprises one or more apertures (218).

Abstract: A cable retaining system is provided. The system comprises: a first retainer, wherein the first retainer is configured to be arranged adjacent to a gasket for sealing an aperture into a housing interior, wherein the first retainer comprises one or more first channels to be aligned with respective openings through the gasket, and wherein the channels are configured to receive respective cables extending through respective ones of the openings in the gasket in order to maintain alignment of longitudinal axes of the cables with the respective openings; and a second retainer, wherein the second retainer comprises a second retainer mechanism spaced apart from the first retainer, wherein the second retainer mechanism is configured to engage the cables to resist movement of the cables out of the first channels.

Abstract: The present application relates to a method for performing optical time domain reflectometry (OTDR) on an optical fibre. The method comprises: a) setting (1010) a decision threshold of a photodetector; b) transmitting (1020) a first signal into an optical fibre, wherein the first signal comprises a sequence of optical radiation pulses based on a coded sequence; c) detecting (1030) optical radiation backscattered and/or reflected from the optical fibre using the photodetector; d) obtaining (1040) a measurement signal comprising bit sequences based on the detected optical radiation and the decision threshold of the photodetector; e) comparing (1050) the measurement signal with the first signal to obtain a correlation signal; f) adjusting (1060) the decision threshold of the photodetector; g) repeating (1070) steps (b)-(f) to obtain a plurality of correlation signals; and e) combining (1080) the plurality of correlation signals to obtain an OTDR trace of the optical fibre.

Abstract: Provided herein is a machine for forming a container from a blank including a tray and a lid. The machine has an upstream end where the blank is loaded and a downstream end where the container is discharged and includes a frame, a pre-forming assembly, and a mandrel assembly. The pre-forming assembly is configured to partially form the lid and the tray by folding each of a plurality of side panels of the blank and further form the tray by partially folding a front panel assembly of the blank, the front panel assembly including a front panel and a roll-over panel. The mandrel assembly is mounted to the frame and configured to engage a bottom panel of the tray to form each of a plurality of corners of the tray and fold the roll-over panel to form a front wall of the container.

Abstract: An interface module (200) comprises a set of cages (6), each cage configured to guide a signal connector (200) towards an interface (8) for connection with the signal connector. Each cage of the set of cages comprises an open area (17) facing a heat sink. A coupling device is configured to attach to the set of cages and extend over the open area of the cages. The coupling device comprises a floating portion for each cage. The floating portion is configured to move from a first position to a second position upon insertion of the signal connector into the cage. In the first position, the floating portion is not in thermal connection with the heat sink, and wherein, when in the second position, the floating portion is in thermal connection with the heat sink.

Abstract: A device for use with a fan. The device includes a shaft mounted at opposite ends via brackets to a housing of the fan, a curtain for blocking airflow through the fan in a closed position, the curtain being wound onto the shaft in an open position, a closing mechanism for unwinding the curtain to the closed position, and a locking mechanism for locking the curtain in the open position. In response to detection of malfunction of the fan the locking mechanism is released and the closing mechanism unwinds the curtain to the closed position.

Abstract: There is provided an optical filter module comprising a photodetector, a transmitting-side tunable optical filter, and processing circuitry. The photodetector is configured to receive a low speed overlay signal from a transceiver of a fixed wavelength, and wherein the processing circuitry is configured to decode information relating to the fixed wavelength from the low speed overlay signal and set the transmitting-side tunable optical filter at the fixed wavelength.

Abstract: A heat dissipater assembly for an optical module for a telecommunications unit. The heat dissipater assembly includes a heat dissipater, a first connector portion coupled to the dissipater body and a second connector portion coupled to the dissipater body. The heat dissipater has a dissipater body including a recess for receiving the optical module, such that the optical module is in thermal communication with the dissipater body, and one or more heat dissipation structures configured to dissipate heat from the optical module into an environment around the heat dissipater. The optical connector is optically connected to the optical module received within the recess. The second connector portion is configured to be coupled to the telecommunications unit. The heat dissipater assembly further includes an electrical extender. The electrical extender is configured to be partially received within the heat dissipater.

Abstract: A packaging system includes a plurality of feed conveyors configured to carry a plurality of carton units thereon and a stacking station. The stacking station includes a stacking conveyor and a plurality of lifting assemblies. Each lifting assembly of the plurality of lifting assemblies is selectively moveable over the stacking conveyor and a corresponding feed conveyor of the plurality of feed conveyors. The packaging system further includes a controller communicatively coupled to the stacking conveyor and the plurality of lifting assemblies. The controller is configured to control a first lifting assembly of the plurality of lifting assemblies to retrieve a first carton unit from a first feed conveyor of the plurality of feed conveyors and control the first lifting assembly to deposit the first carton unit on the stacking conveyor in a stacked relationship with a second carton unit.

Abstract: Embodiments described herein relate to methods and apparatuses for determining information associated with an optical component system in a network. A method for determining information associated with an optical component system in a network, wherein the optical component system includes a first optical path for transmission of a first optical signal, wherein the first optical path operates in an optical bandwidth that is different from a traffic optical bandwidth of a traffic optical path, includes: detecting at least one mechanically introduced optical loss in the transmitted first optical signal; and based on the detected at least one mechanically introduced optical loss, determining information associated with the optical component system.

Abstract: A padding unit comprising one or more fiber paddings is provided. Each of the one or more fiber paddings is for a respective one of one or more pairs of coupled channels in an optical device. At each pair of coupled channels, one channel in the pair of coupled channels is used as an upstream channel and the other channel in the pair of coupled channels is used as a downstream channel. Each fiber padding comprises a padding length of fiber configured to offset at least a part of a latency imbalance at the respective pair of coupled channels, the latency imbalance being a difference in latencies between the respective upstream and downstream channels caused by a difference in the multiplexing or demultiplexing path lengths of the respective upstream and downstream channels.

Abstract: Provided herein is a machine for forming a container from a blank including a tray and a lid. The machine has an upstream end where the blank is loaded and a downstream end where the container is discharged and includes a frame, a pre-forming assembly, and a mandrel assembly. The pre-forming assembly is configured to partially form the lid and the tray by folding each of a plurality of side panels of the blank and further form the tray by partially folding a front panel assembly of the blank, the front panel assembly including a front panel and a roll-over panel. The mandrel assembly is mounted to the frame and configured to engage a bottom panel of the tray to form each of a plurality of corners of the tray and fold the roll-over panel to form a front wall of the container.

Abstract: An adaptor for an optical connector is provided. The optical connector defines first and second optical connector channels. The adaptor comprises a first part to couple to the optical connector and a second part comprising a connector portion for coupling to an optical device, in order to optically couple the first and second optical connector channels to the optical device. The first and second parts are movably coupled to one another and the first part is movable relative to the second part between first and second positions to selectively adjust a polarity of the connector portion.

Abstract: There is provided a security system for use at an enclosure containing one or more passive components of an optical communication link. The security system comprises a sensor configured to detect a physical breach of the enclosure, and an optical alert signal generator coupled to the optical communication link. The optical alert signal generator is self-powered, and configured to generate an optical alert signal and transmit the optical alert signal through the optical communication link when a physical breach of the enclosure is detected by the sensor. The optical alert signal is detectable at an entity external to the enclosure and connected to the optical communication link.

Abstract: An optical transceiver assembly is provided. The optical transceiver assembly comprises: an optical transceiver, wherein the optical transceiver comprises: an optical transmitter comprising an active region of a cavity laser for transmitting optical signals over a first channel of the optical transceiver; an optical receiver for receiving optical signals over a second channel of the optical transceiver; and an adaptor.

Abstract: A retaining device for retaining optical fibre cables is provided. The retaining device comprises a body member and a movable member, wherein the body member and movable member are configurable to define a plurality of channels configured to receive optical fibre cables, wherein the channels have a profile configured to restrain a longitudinal movement of the optical fibre cable received within them, wherein the movable member is selectively movable relative to the body member in order to adjust a dimension of the channels.

Abstract: A housing for optical transceivers is provided. The housing comprises a plurality of walls defining a plurality of spaces for receiving optical transceivers, e.g. pluggable optical transceivers. The housing defines a plurality of openings into the respective spaces. The housing further comprises a cover movably coupled to one of the walls, the cover movable relative to the one of the walls in order to cover one of the openings, when the space corresponding to the opening is vacant.

Abstract: Provided herein is a machine for forming a container from a blank including a tray and a lid. The machine has an upstream end where the blank is loaded and a downstream end where the container is discharged and includes a frame, a pre-forming assembly, and a mandrel assembly. The pre-forming assembly is configured to partially form the lid and the tray by folding each of a plurality of side panels of the blank and further form the tray by partially folding a front panel assembly of the blank, the front panel assembly including a front panel and a roll-over panel. The mandrel assembly is mounted to the frame and configured to engage a bottom panel of the tray to form each of a plurality of corners of the tray and fold the roll-over panel to form a front wall of the container.

Abstract: There is provided a telecommunications network equipment unit, comprising a cooling system. The cooling system comprises an air input channel and an exhaust air output, wherein the exhaust air output is separate from the air input channel. The cooling system further comprises a plurality of air conduits. The plurality of air conduits is arranged such that heat can be transferred from respective ones of a plurality of devices in the telecommunications network equipment to air passing through respective ones of the plurality of air conduits. Each of the plurality of air conduits is arranged to receive a respective outflow of air from the air input channel and to direct said outflow of air therethrough to the exhaust air output. There is further provided telecommunications network equipment comprising one or more telecommunications network equipment units.

Abstract: An optical device mounting assembly is provided. The mounting assembly comprises: a base member for an optical device to be mounted on, wherein the base member comprises an opening formed in the base member such that the optical device at least partially overlaps the opening when mounted on the base member; and an optical fibre guide for an optical fibre extending from the optical device to be disposed about in order to support a length of the optical fibre on the mounting assembly, wherein the optical fibre guide is located at least partially within the opening in the base member.