44 results about "QSFP" patented technology

An optical connector holding two or more LC-type optical ferrules is provided. The optical connector includes an outer body, an inner front body accommodating the two or more LC-type optical ferrules, ferrule springs for urging the optical ferrules towards a mating receptacle, and a back body for supporting the ferrule springs. The outer body and the inner front body are configured such that four LC-type optical ferrules are accommodated in a small form-factor pluggable (SFP) transceiver footprint or eight LC-type optical ferrules are accommodated in a quad small form-factor pluggable (QSFP) transceiver footprint. A mating receptacle (transceiver or adapter) includes internal alignment slots configured to accept a corresponding alignment key on connector outer housing to ensure alignment and orientation for maximum signal transfer between opposing ferrule end faces.

A cable assembly comprising a connector with a termination that enables high density and high signal integrity. Shields of cables are terminated to a paddle card via a conductive structure attached to a surface of the paddle card. The signal conductors of the cables are terminated to pads on the paddle card that are exposed within openings of the conductive structure. Such a structure creates a ground structure per cable that provides low insertion loss and low crosstalk, even when multiple cables are aligned side by side and terminated in one or more rows. The cables may be drainless, enabling a large number of cables, such as eight cables, to be packed within the width of a paddle card specified in high density standards such as QSFP-DD or OSFP. The cables may nonetheless have large diameter signal conductors, enabling 2.5 or 3 meter assemblies with less than 17 dB insertion loss.

The invention relates to the technical field of optical amplifiers, in particular to an optical amplifier based on QSFP-DD packaging. The optical amplifier comprises a packaging shell, a circuit board, an optical assembly and a heating piece. The circuit board is arranged in the packaging shell, and a connecting module is arranged at one end, penetrating out of the shell, of the circuit board; the optical assembly comprises an erbium-doped optical fiber which is located in the packaging shell and arranged on one side of the circuit board in the thickness direction; the heating element is arranged in the packaging shell and is positioned between the erbium-doped optical fiber and the circuit board; wherein the circuit board is electrically connected to the heating element, and the heating element acts on the Er-doped optical fiber so as to adjust the temperature of the Er-doped optical fiber. The optical amplifier based on QSFP-DD packaging is smaller in size, can meet the arrangement requirement of a high-density data center cabinet, and is more stable in transmission performance during working.

The utility model provides a novel QSFP-DD packaging optical module comprising a pedestal, the left side of the pedestal is detachably connected with a reset pull ring, and the interior of the pedestal is fixedly connected with a PCB device group. According to the novel QSFP-DD packaging optical module, the base, the reset pull ring, the upper cover, the heat dissipation teeth, the heat dissipation cover and other structures are arranged, the base serves as a core support, the PCB device set, the reset pull ring and the reset spring are accurately positioned and stably installed through a limiting groove, an installation cavity and a spring groove in the base, cooperative work is ensured, the reset pull ring is installed on the left side of the base, and the upper cover is arranged on the left side of the base. The state of the reset spring can be mastered in real time through the observation groove; the upper cover and the base are tightly connected through screws, internal components are covered and protected, external adverse factors are resisted; assembly and maintenance are also facilitated through screw connection; the heat dissipation teeth and the heat dissipation cover construct an efficient heat dissipation system, and heat dissipation is rapid; influence of over-high temperature on performance is avoided, and stability, reliability and service life of the optical module are improved.

A pluggable optical protection switch (OPS, 103) is capable of selecting between two fiber optic lines (109, 111), where the selected fiber optic line is an active fiber optic line and the unselected fiber optic line is a redundant spare fiber optic line. The pluggable OPS may be designed as a four-channel small pluggable (QSFP) package type, such as a QSFP-DD package type or a QSFP 28 package type.

The utility model relates to a QSFP DD optical module test tool, which is characterized in that a limit block is fixed at the edge of a test plate, a tool block fixedly connected with the limit block is arranged on the side surface of the test plate, the limit block is made of nonmetal, the tool block is made of metal which is softer than zinc alloy, an assembly cavity is arranged on the end surface of the limit block close to the test plate, and the assembly cavity is provided with a through hole. The assembling cavity penetrates through the side face, close to the tool block, of the limiting block, an adapter which is electrically connected with the testing plate and used for being matched with the QSFP DD optical module to be tested in an inserted mode is arranged in the assembling cavity, and a testing cavity which is communicated with the assembling cavity and used for inserting the QSFP DD optical module is formed in the side face of the tool block in a penetrating mode. The beneficial effects are that the surface of a structural member in the optical module is not easy to scratch, the probability of causing the bad optical module is reduced, the limiting block and the tool block are easier to process and are not easy to damage, and the tool block is not fixed on the test board, so that the test board with a small size can be used to meet different test requirements.

The utility model discloses a portable optical module coding box which comprises an upper shell, the bottom of the upper shell is movably connected with a bottom shell, the top of the bottom shell is movably connected with a PCB, the top of the PCB is fixedly connected with a DC power supply, the top of the PCB is fixedly connected with a TYPE C, the top of the PCB is fixedly connected with a QSFP DD seat, the top of the PCB is fixedly connected with an XFP seat, and the top of the XFP seat is fixedly connected with an optical module. The top of the PCB is fixedly connected with an SFP + seat, through the design of the smaller upper shell and the smaller base, the optical module coding box is smaller in size and convenient to carry, through the TYPE C power supply and the TYPE DC power supply, the optical module coding box can achieve universality of a mobile phone power line and an optical module coding box power line, a cage corresponding to the optical module coding box is omitted, the cost is reduced, and the optical module coding box is convenient to use. Therefore, the optical module coding box is more attractive in appearance, solves the problem that secondary sale is affected due to the fact that the surface of a shell of a product is scratched in the coding process, and can be compatible with coding of three different series of products.

The invention discloses an ultra-wideband transient multi-electromagnetic physical quantity synchronous measurement method and system, and the method comprises the steps: designing an electric field sensor based on a monopole rod-shaped electrically small antenna principle, and designing a magnetic field sensor based on a Faraday's law of electromagnetic induction; designing a voltage sensor based on a self-integration mode, and designing a current sensor based on a broadband Rogowski coil; based on a digital sampling technology of an FPGA, a digital processor is designed, sampling data collected by an electric field sensor, a magnetic field sensor, a voltage sensor and a current sensor are collected through the digital processor, the sampling data are transmitted to an upper computer through a QSFP module, and the sampling data are processed and displayed through the upper computer. The scheme can be effectively applied to application scenes of transient electromagnetic environment online monitoring, fault diagnosis, radiation source accurate positioning and the like of high-voltage power equipment.

The utility model relates to a kind of QSFP Bidi optical device for enterprise network, the transmission light wavelength range of TX end is different and not overlapped with the receiving light wavelength range of RX end;TX optical fiber between TX end and LC adapter is coupled with a narrowband filter, RX optical fiber between RX end and narrowband filter is coupled with a reflection prism, narrowband filter transmits the transmission light of TX end;Narrowband filter total reflection is received to the receiving light emitted from LC adapter, and let receiving light be coupled into the RX optical fiber of RX end by reflection prism reflection.A kind of enterprise network optical communication system, LC adapter in QSFP Bidi optical device is coupled with optical distribution unit by single-fiber bidirectional optical fiber, and optical distribution unit is coupled with multiple SFP optical devices respectively.Affirmative effect is that: cheap narrowband filter+reflection prism can be used to replace expensive optical circulator, effectively reduce cost, performance is promoted, it is easy to package into module, optical insertion loss is small.

Apparatus, systems, and methods are described for providing improved networked communication systems and related adapters. Example networked communication adapters include an adapter housing defining a first end and a second end opposite the first end. The first end is configured to engage an octal small form-factor pluggable (OSFP) connector, and the second end is configured to receive a quad small form-factor pluggable double density (QSFP-DD) transceiver therein. The networked communication adapter further includes an internal connector located within the adapter housing. In an operational configuration where the first end engages the OSFP connector and the second end receives the QSFP-DD transceiver, the internal connector is configured to operably connect the QSFP-DD transceiver to the OSFP connector such that signals can be transmitted therebetween.

The utility model discloses a QSFP + 40GPSM4 optical transceiver module meeting industrial grade temperature, which comprises a base, a circuit board, a coupling receiving amplifier and an upper cover, the top of the circuit board comprises a fixed seat, an FPC (Flexible Printed Circuit), an optical fiber connector, an interface, a laser transmitter, a receiving amplifier and a photoelectric detector, and the interface is arranged at the middle position of the circuit board; according to the utility model, after optical signals needing to be received pass through the optical fiber connector, light is received by the photoelectric detector and converted into electric signals, and then the signals are amplified by the amplifier, so that the problems of high-speed signal stability of the module and errors of received signals after the signals are converted into the optical signals in an outdoor severe high and low temperature environment are solved; practical functions of the industrial-grade temperature GPSM optical transceiver module are realized, power consumption is reduced, performance and stability are enhanced, a QSFP + module supporting high-speed industrial-grade temperature is realized, KM long-distance transmission is supported, power consumption is low, stability is high, and reliability is high.

The utility model discloses a kind of electromagnetic shielding box for optical module test, including shielding shell and test platform;The shielding shell is made of multiple metal material plate bodies and is sequentially enclosed and spliced, and electrically-conductive gasket is equipped at the joint between two adjacent plate bodies;Test port is provided on the shielding shell, and the outer end of the test port is connected with the optical module to be tested;The test platform is fixed in the shielding shell, and the test platform is connected with the inner end of the test port;The test port has two, and they are OSFP optical module test port and QSFP-DD optical module test port respectively.The utility model has the beneficial effects that: shielding shell is made of metal material, electrically-conductive gasket is equipped at the joint between shielding shell plate bodies, and they form integrated shielding, greatly improve electromagnetic shielding efficiency, reduce external electromagnetic interference, meet high-speed optical module test requirements.

Disclosed herein are optical amplifier devices, optical amplifier assembly, and optical amplifier systems. Example embodiments may include: a plurality of input optical ports, each being configured to receive one of a plurality of input optical signals; a plurality of output optical ports, each being configured to output one of a plurality of output optical signals; a plurality of tap photodiodes, each respectively being connected to one of the plurality of input optical ports and the plurality of output optical ports; a wavelength division multiplexer configured to receive the input optical signal from each of the plurality of input optical ports and an optical input from a laser pump device and output a plurality of pumped optical signals; a plurality of erbium-doped fiber coils, each having a first end configured to receive one of the plurality of pumped optical signals and a second end configured to output an amplified optical signal; and an optical isolator configured to receive, for each of the plurality of erbium-doped fiber coils, the amplified optical signal and output the plurality of output optical signals, wherein the plurality of output optical ports are configured to receive one of the plurality of output optical signals.

The invention relates to an optical receiving end, an RX optical fiber array is obliquely distributed, bare optical fibers, outside an optical port side, of all RX optical fibers in the RX optical fiber array are different in length, an array detector chip is horizontally arranged on the optical port side of the RX optical fiber array, and reflecting surfaces of all the bare optical fibers are aligned and coupled with a plurality of photosensitive surfaces of the array detector chip one by one. A QSFP 56 packaged 200G DR4 optical module is characterized in that a light emitting end and a light receiving end are fixed on a PCB side by side along the width direction of the PCB, a TX optical fiber array in the light emitting end is horizontally distributed, TX optical fibers of the TX optical fiber array in the light emitting end and RX optical fibers of an RX optical fiber array in the light receiving end respectively enter insertion cores which are arranged in the center relative to the PCB, the RX optical fiber array and the TX optical fiber array are distributed in a contracted manner, and the insertion cores are connected with the PCB. And the binding opening is close to the insertion core. The beneficial effects are that the bending included angle of the RX optical fiber at the root of the RX optical fiber array is reduced, and the RX optical fiber at the root of the RX optical fiber array is not easy to break.

The invention provides a device for assisting in testing an optical module and a high and low temperature hot and cold impact machine. The device comprises a gas circuit connecting piece and a base, the gas circuit connecting piece is provided with a gas inlet and a gas outlet; the air inlet is configured to be communicated with the cold / hot air output port; a test groove and an air outlet communicated with the test groove are formed in the end part of the bottom side of the air channel connecting piece, and the air outlet is communicated into the test groove; the base is arranged at the bottom of the gas circuit connecting piece; the upper surface of the base is configured to bear the optical module, and the test groove covers the optical module; the high and low temperature cold and hot impact machine comprises the device for assisting in testing the optical module and a heating head. The heating head is movably arranged and is provided with a cold / hot air outlet, and the cold / hot air outlet is detachably connected with the air inlet of the air path connecting piece; according to the application, the high and low temperature cold and hot impact test of the QSFP optical module product can be carried out, whether the tested QSFP optical module product has hidden dangers can be confirmed, and the reliability, the stability and the performance of the QSFP optical module product are ensured.

The present invention provides a multi-channel server device based on a single node. The interconnection board is respectively communicatively connected to the FIT signal interfaces of the QSFP boards in multiple nodes; the FIT signal interfaces of multiple CPUs inside the main board are respectively communicatively connected to the FIT signal interfaces of the QSFP boards. The first CPLD inside the main board is communicatively connected to the first CPLDs inside other nodes through the second CPLD in the CPLD board, and is used for synchronously starting the timers of all CPUs inside the main board; the second CTM signal interfaces of the last CPUs inside the main boards in multiple nodes are sequentially communicatively connected to the first CTM signal interfaces of the first CPUs inside the main boards in the next node, so as to realize multi-channel CPU interconnection communication, effectively solving the problem that in the prior art, servers with more than 8 channels cannot be realized due to the number of CPUs in the main board, and can be applicable to various application scenarios with relatively high performance requirements.

1. The name of the design product: hot plug optical module structure (QSFP-DD 400G SR4). 2. The use of the design product: suitable for QSFP-DD 400G SR4 optical module product, in line with QSFP-DD product packaging protocol. 3. The design points of the design product: in shape. 4. The picture or photo that best indicates the design points: perspective view 1.

The invention relates to a QSFP-DD optical module rotary pull type unlocking structure, two side walls of a base are recessed inwards to form a connecting rod accommodating space, and the end parts of the two side walls of the base are continuously recessed inwards on the basis of the connecting rod accommodating space to form a pull ring accommodating space; the connecting rod is located in the connecting rod containing space and slidably connected with the base, one end of the connecting rod is provided with an unlocking protrusion, and the other end is provided with an oval groove. The pull ring is located in the pull ring containing space, a cylinder tangent to the oval groove is arranged on the outer side of the pull ring, and the inner side is rotationally connected with the base. In a locking state, the connecting arm is positioned on one side of the base in the height direction; the advantages are that the rotary pull ring design is adopted, and the pull ring, the connecting rod and other related unlocking structures are located in the edge of the module structure, so that the unlocking mechanism does not affect the plugging and unplugging of the optical fiber patch cord; the mounting structure of the spring enables the spring to be easily put in, so that the assembly efficiency is improved; the yield can be greatly improved, manpower is reduced, large-scale mass production is achieved, precision is high, and the requirements proposed by an application party are met.

A method of transmitting one or more radio data packets (40) by a first test device (11, 12, 13), the method comprising the steps of: obtaining, preferably repeatedly, by the first test device (11, 12, 13), a reference timestamp from a reference clock (RT), wherein the reference clock (RT) provides a reference time in a test system (1) comprising the first test device (11, 12, 13), wherein the reference timestamp indicates the reference time, transmitting, by the first test device (1), the one or more radio data packets, preferably sequentially, in accordance with a predetermined start time in the test system (1) on a communication interface (QSFP) for coupling the first test device (11, 12, 13) with a device under test, DUT (10).

A cable assembly comprising a connector with a termination that enables high density and high signal integrity. Shields of cables are terminated to a paddle card via a conductive structure attached to a surface of the paddle card. The signal conductors of the cables are terminated to pads on the paddle card that are exposed within openings of the conductive structure. Such a structure creates a ground structure per cable that provides low insertion loss and low crosstalk, even when multiple cables are aligned side by side and terminated in one or more rows. The cables may be drainless, enabling a large number of cables, such as eight cables, to be packed within the width of a paddle card specified in high density standards such as QSFP-DD or OSFP. The cables may nonetheless have large diameter signal conductors, enabling 2.5 or 3 meter assemblies with less than 17 dB insertion loss.

The utility model provides a QSFP (Quad Small Form-factor Pluggable) optical module inspection tool, which comprises a positioning seat, an adjustable limiting block is fixedly arranged at the right end of the front surface of the positioning seat, and a fixed limiting block is fixedly arranged at the left end of the front surface of the positioning seat. According to the inspection tool for the QSFP optical module, the base, the adjustable limiting block, the fixed limiting block, the sliding groove channel and other structures are arranged, the adjustable limiting block can be flexibly adjusted according to the product size, the universality of the inspection tool is improved, the inspection tool is suitable for products of various specifications, the fixed limiting block is composed of the left block body and the right block body, and the formed sliding groove channel is convenient to maintain; the base placed at 45 degrees enables the product to automatically slide down for detection, thereby saving manpower, improving detection efficiency, unifying product slide down states, reducing man-made interference, and enabling detection results to be more reliable and accurate.

An optical module includes a housing, an optical subassembly arranged at an angle relative to the housing, and a thermal dissipation structure on the housing. The angled orientation of the optical subassembly improves compliance with fiber bend radius requirements and enables fins of the thermal dissipation structure to be dimensioned in correspondence with the angle to provide increased surface area in regions of higher airflow. In some embodiments, the fins are disposed on a top side of the housing, and in other embodiments, the fins are disposed on a bottom side of the housing. The angled fin configuration enhances convective heat transfer while maintaining compact form factor compliance for pluggable modules such as QSFP-DD and OSFP coherent optics.

A QSFP-DD optical transceiver module having more than four optical data ports and more than four electrical data ports is configured for approximately 10 Gb / s bidirectional data communication on each of the data ports, and is further configured to communicatively inter-connect each of the optical data ports thereof to a corresponding one of the electrical data ports thereof. The module may be used with a digital data router or switch having at least one QSFP-DD receptacle with eight electrical data ports and configured for parallel bidirectional communication with the QSFP-DD module plugged therein over at least five of the eight electrical data ports at 10 Gb / s per port and direction.

A network element include one or more modules each supporting one or more pluggable modules; and a first manifold and a second manifold each configured to connect to a conduit associated with a coldplate, wherein one of the first manifold and the second manifold is an inlet manifold and the other is an outlet manifold for a cooling fluid that flows through the conduit to cool the one or more pluggable modules. The one or more pluggable modules can be each a pluggable optical module that is one of compliant to any of XFP, SFP, XENPAK, X2, CFP, CFP2, CFP4, CFP8, QSFP, QSFP+, QSFP28, OSFP, and QSFP-DD and have a housing that has dimensions similar to any of XFP, SFP, XENPAK, X2, CFP, CFP2, CFP4, CFP8, QSFP, QSFP+, QSFP28, OSFP, and QSFP-DD.

The invention relates to the technical field of QSFP (Quad Small Form-factor Pluggable) optical modules, in particular to a QSFP optical module structure capable of being quickly locked and packaged and a locking and packaging method thereof, the QSFP optical module structure comprises a shell and a cover plate rotationally connected with the shell, and a circuit board and an optical assembly are arranged in the shell; the fan-shaped piece is arranged on the inner side of the rotating shaft of the cover plate, and an extrusion surface and an arc-shaped surface are formed on the fan-shaped piece; the elastic supporting assembly is arranged on the inner side of the shell and abuts against the extrusion face and the arc-shaped face in a sliding mode, and when the fan-shaped piece rotates by a preset angle, the elastic supporting assembly can be controlled to act or be locked; the downward pressing assembly is connected with the elastic supporting assembly, and the downward pressing assembly can tightly press the circuit board and the optical assembly when the elastic supporting assembly is locked; and the locking assembly is arranged on the shell, and the locking assembly is matched with a convex shaft arranged on the cover plate, so that the shell is locked when the cover plate covers the shell, and the mounting precision and the portability are ensured.

The invention relates to a data conversion module and a data transmission communication system, which are applied to the field of chip verification, and the PIPE and QSFP data conversion module comprises a PIPE-to-QSFP sub-module and a QSFP-to-PIPE sub-module. The PIPE to QSFP sub-module is used for converting the received first PIPE parallel data into first enhanced QSFP serial data; the PIPE to QSFP sub-module comprises a PIPE to Aurora unit and an Aurora to QSFP unit, and the Aurora to QSFP unit is connected with the PIPE to QSFP unit; the QSFP to PIPE sub-module is used for converting the received second enhanced QSFP serial data into second PIPE parallel data; and the QSFP to PIPE sub module comprises a QSFP to Aurora unit and an Aurora to PIPE unit. The technical effects of the present application are that the number of cables for data transmission between the speed reduction bridge and the prototype verification platform is reduced, and the platform construction difficulty is reduced.

The invention discloses a high-speed area-array camera system based on 40G network transmission and an image acquisition and transmission method, and belongs to the technical field of high-speed image acquisition and transmission. The technical problems that a traditional high-speed area-array camera is insufficient in bandwidth, high in system delay and low in multi-camera synchronization precision in a high-resolution and high-frame-rate scene are solved, and the technical scheme is characterized in that the high-speed area-array camera comprises a sensor array, a front-end FPGA module, a rear-end FPGA module and a software deployment end; the sensor array comprises a plurality of groups of image sensors used for collecting original image data and outputting differential data signals, the front-end FPGA module receives the differential data signals, performs image preprocessing and then outputs the signals through a high-speed serial interface, and the rear-end FPGA module performs data analysis and image recombination and then outputs the signals through a QSFP + interface in an optical fiber mode. And the software deployment end receives the image data in parallel through the multi-path optical fiber interface and performs synchronous fusion processing.

The present application relates to the technical fields of optical communication coupling jig, specifically to a QSFP coupling jig, which comprises a three-way valve, two groups of gas outlet ends of the three-way valve are fixedly connected with conveying pipes, the ends of the two groups of conveying pipes are fixedly connected with elastic hoses, the interiors of the two groups of elastic hoses are provided with piston rods, and the ends of the two groups of piston rods close to each other penetrate through the interiors of the elastic hoses and extend to the outside, the ends of the two groups of piston rods close to each other are fixedly connected with push plates, a moving rod is arranged between the two groups of push plates, a gear is arranged above the three-way valve, and the gear is fixedly connected with a valve core in the three-way valve through a rotating shaft, a limit rod is meshingly connected with the surface of the gear, an electric push rod is fixedly installed on the surface of the limit rod, and the electric push rod is electrically connected with a position sensor. Through the cooperation between various components, the present application can ensure the coupling precision of OB and CB, and can also ensure the quality of coupling.

This invention relates to a high-speed signal design method and stack-up structure for optical modules. The method includes the following steps: designing high-speed signals for QSFP-DD packaged optical modules according to a 12-layer, 3-order stack-up structure, designing layers 1, 3, 10, and 12 as high-speed differential signal routing layers, and layers 2 and 11 as complete reference ground plane layers; hollowing out the copper pads corresponding to the gold fingers of the TOP layer and BOTTOM layer; performing SI simulation based on various initial dimensions at the gold fingers to adjust the various dimensions at the gold fingers to achieve optimal impedance; hollowing out the anti-pads at the LTX BGA and LRX BGA locations; and performing SI simulation based on the initial dimensions at each location of the LTX BGA and LRX BGA to adjust the dimensions at each location of the LTX BGA and LRX BGA to achieve corresponding optimal impedance. The design method and stack-up structure provided by this invention solve the problems of poor signal transmission quality and eye diagram quality in 800G optical modules designed by existing methods.

This invention relates to a QSFP-DD horizontal connector and its assembly process. The connector includes a housing body and multiple terminal assemblies. Each terminal assembly includes multiple terminals, each with a plug end and a solder end. The solder end is fixed within the housing body and located at the lower end of the housing body. The housing body and terminal assemblies are provided with a limiting structure and a corrective structure. The limiting structure includes mutually adaptable limiting blocks, limiting grooves, and limiting holes, used to limit relative movement between terminal assemblies and between terminal assemblies and the housing body. The corrective structure includes multiple sliding blocks, sliding grooves, and hooks. The sliding blocks are equidistant from the solder ends and are neatly arranged within the sliding grooves. The hooks interlock and improve the coplanarity of the terminal assemblies. This invention ensures accurate and fixed installation of the terminal assemblies within the housing body through the limiting structure, effectively improving connection stability. The corrective structure further improves connection stability by enhancing the coplanarity of the solder ends.