341results about "Data switching details" patented technology

The present application relates to the field of data processing, and disclosed are a network card device and a data transmission system, which are used for solving the problem whereby data transmission occupies the access bandwidth of a host memory. The network card device comprises a storage module; a descriptor queue address register; a calculation high-speed link hard core module, which is used for transmitting data sent by a host to a first data storage area, transmitting a descriptor sent by the host to a first descriptor storage area, and transmitting a trigger instruction sent by the host to a network data processing module; and the network data processing module, which is used for acquiring a base address from the descriptor queue address register when receiving the trigger instruction, reading a target descriptor in the first descriptor storage area based on the base address and the trigger instruction, reading target data corresponding to the target descriptor in the first data storage area, and outputting the target data to a network. The present application can reserve the access bandwidth of a host memory for other functions running on the host to use, so that the overall operation efficiency of the host is improved.

The invention relates to the technical field of encoder communication interface circuits, in particular to a multi-protocol encoder communication interface circuit based on hardware configuration, which comprises a core control and protocol processing module, a hardware configuration and mode recognition module, an RS-485 differential driving and receiving module and an interface protection circuit module. In the invention, the problems that the hardware cost is high, the PCB layout is complicated, the overall size of the system is increased, the types of connectors are diversified and the wiring difficulty is increased due to the fact that an independent physical interface circuit needs to be independently designed for each protocol such as BISS and Tamagawa or a special integrated chip with a solidified factory function is adopted in the existing scheme are thoroughly solved; and meanwhile, the problems that chips need to be replaced or hardware needs to be redesigned and the configuration flexibility is poor in the protocol updating of an existing scheme are solved, the time sequence conflict risk existing in software dynamic switching protocols is avoided, and the defects that a traditional circuit is poor in surge resistance, signal crosstalk is caused and debugging and maintenance are complex are overcome.

The invention provides a PXE network card initialization method and device compatible with 64-bit addressing and a medium, and relates to the technical field of network card initialization, and the method comprises the steps: discovering a network card device; reading a PCI configuration space of the network card equipment, obtaining information of an extended ROM base address register, and mapping a network card Option ROM to a memory shadow region; when the access of the memory mapping input and output mode fails, the initialization code performs read-write operation on the hardware register through a self-defined capability structure in a PCI configuration space of the network card equipment; based on the successfully accessed hardware register, network card hardware initialization is completed, and a PXE protocol stack structural body is established in a memory; registering system firmware as PXE starting equipment, and entering a protocol interaction stage with a PXE server; according to the invention, smooth development of a subsequent network boot flow is guaranteed, and the deployment success rate and the system stability in a large-scale batch installation scene are improved.

The utility model provides a network security mainboard which is applied to the technical field of mainboards, and the network security mainboard comprises an ARM (Advanced RISC Machines) processor; the first data processing module comprises a plurality of first network card chips and a plurality of first network ports, one end of each first network card chip is connected with the ARM processor, and the other end of each first network card chip is connected with the corresponding first network port; the second data processing module comprises a plurality of second network card chips and a plurality of network port pairs, one ends of the second network card chips are connected with the ARM processor, and the other ends of the second network card chips are connected with the network port pairs; the third data processing module comprises a plurality of third network card chips, a plurality of SFP optical ports and a plurality of second network ports, one ends of the third network card chips are connected with the ARM processor, and the other ends of the third network card chips are connected with the second network ports and the SFP optical ports. The utility model aims to give consideration to the performance and security of the network security mainboard through domestic hardware.

The invention discloses an auto-negotiation method and a related device. In the auto-negotiation process of the two pieces of Ethernet equipment, after one piece of Ethernet equipment enters an auto-negotiation state, all ports wait for receiving signals from opposite-end equipment. If the two ports of the Ethernet equipment respectively receive link pulse signals from opposite-end equipment at different moments, the two ports are connected with the port, currently used for executing automatic crossing, of the opposite-end equipment, so that the two ports respectively receiving the link pulse signals at the two moments are determined as target ports, and the two ports are connected with the port, currently used for executing automatic crossing, of the opposite-end equipment. And carrying out automatic crossing and auto-negotiation information interaction with opposite-end equipment through the two target ports. According to the invention, under the condition that the two Ethernet devices are connected according to the circuit board wiring sequence, the any network cable crimping sequence or the any interface mode, the two Ethernet devices can determine the ports which need to be used for automatic crossing, so that the two Ethernet devices can be successfully auto-negotiated.

The invention discloses a security-level DCS redundant communication system, a communication method, equipment and a medium, and relates to the technical field of communication. The system comprises a first TU control station and a TU control station executing a gateway function, wherein the TU control station executing the gateway function comprises a second TU control station and at least two Ethernet communication modules arranged on a main control box backboard of the second TU control station; wherein the first TU control station and the second TU control station are in communication connection through a one-way receiving link, and the Ethernet communication module adopts a parallel working mode and respectively establishes communication connection with a non-security-level DCS side gateway to form a redundant communication link between the TU control station executing a gateway function and the non-security-level DCS. Redundant communication and fault link switching under the condition that a non-security-level DCS does not need to be transformed are achieved.

A communication control main control board disclosed by the present invention comprises a board body, a power supply module, a main control module, a communication module and a signal control module, the communication module comprises a wired communication sub-module and a wireless communication sub-module, the signal control module comprises an input control unit and an output control unit, and the main control module is used for generating a first control instruction. The communication module is used for switching a communication mode between the communication control main control board and external communication equipment according to a first control instruction, the signal control module is used for controlling input and output of a communication signal according to the first control instruction, and the main control module comprises a fault self-diagnosis sub-module; and the alarm module is used for detecting working states of the power supply module, the communication module and the signal control module and generating corresponding alarm information. The technical scheme of the invention has multiple communication functions, can be compatible with the interconnection requirements of heterogeneous devices, realizes effective control of multiple input and output devices, is beneficial to finding abnormal working states in time, and is beneficial to improving stability and reliability.

The invention provides a unified master control new energy automobile charging interface compatible method and system, and is applied to the field of electric data processing. By introducing a physical layer abstraction module (PLAM), decoupling of a communication upper-layer protocol and a bottom-layer physical driver is realized, the problems that a traditional main control structure is fixed and physical communication interfaces cannot be flexibly switched are solved, when it is detected that the communication controller cannot complete physical layer switching, each physical layer driving interface is automatically packaged, unified access is performed through a PLAM layer, and the switching efficiency of the communication controller is improved. The communication standard is dynamically identified by combining the characteristics of the signal acquired during charging gun insertion, and if the identification fails, the compatible protocol stack can still be loaded and the available resources can be dynamically bound based on the PLAM, so that the flexible scheduling of the physical resources (such as DMA, interruption and a cache pool) is realized, the communication compatibility and adaptation capability are improved, and the support capability of the vehicle end to various charging standards is obviously enhanced.

The embodiment of the application discloses a data transmission method and device, and the method comprises the following steps: a device management module communicates with peripheral equipment of a central processing unit (CPU) system through the CPU system, and data of the peripheral equipment is acquired. The data of the peripheral equipment is beneficial to better management of the peripheral equipment.

A physical layer module and a network module are provided. The network module includes the physical layer module and a media access control module. The physical layer module includes a group decoder, an input selection module, and a device module. The group decoder decodes a common input data signal generated according to a management data input / output signal to generate a group selection signal. The input selection module includes X input circuits being classified into M groups. The X input circuits generate X device input data according to the common input data signal and the group selection signal. The device module includes K physical layer devices classified into M groups. The K physical devices receive X device input data from the X input circuits. An m-th group corresponds to at least one input circuit and N[m] physical layer devices.

The utility model provides a domain controller and a movable platform, the domain controller comprises a shell, a first circuit board and a second circuit board, the shell comprises a body, a first end cover and a second end cover, the body is provided with a first mounting groove along a first side of a first direction, the first end cover covers the first mounting groove, and the second end cover covers the second mounting groove; a second mounting groove is formed in the second side of the body in the first direction, and the second end cover covers the second mounting groove; the first circuit board is arranged in the first mounting groove, and the first circuit board comprises a first heat dissipation chip; the second circuit board is arranged in the second mounting groove, the first circuit board is in communication connection with the second circuit board, and the second circuit board comprises a second heat dissipation chip; the body further comprises a cooling device, and the first heat dissipation chip and the second heat dissipation chip abut against the cooling device. According to the invention, the layout complexity and cost of the domain controller can be reduced, a good heat dissipation effect is achieved, and it is ensured that the domain controller has a good information processing capability.

Embodiments of the present application disclose a container network packet capturing processing method, device and equipment and a readable storage medium. The container network packet capturing processing method comprises the following steps: receiving attribute information of a source container group and a destination container group input by a user, the source container group being a container group that sends access data, the destination container group being a container group that receives the access data, the source container group and the destination container group each comprising at least one container; determining physical nodes where the source container group and the destination container group are located according to the attribute information; determining a target network card according to the physical nodes where the source container group and the destination container group are located, the target network card being a network card through which the access data passes; and sending a packet capturing command for the target network card to a physical node where the target network card is located. Through the present application, the technical problem of low troubleshooting efficiency of a container network in the related art is solved.

The utility model discloses a kind of five-way line-in's gigabit network module, it is related to network transmission equipment field, including shell, the left and right sides of the shell are respectively hinged with right shell and left shell, the downside of the right shell and the left shell is fixedly connected with the limit block of symmetrical distribution, the inner wall left side of the left shell is fixedly connected with two symmetrical distribution's connecting plate, the right end of each connecting plate is all penetrated and is provided with clamping groove, the inner wall right side of the right shell is fixedly connected with two symmetrical distribution's buckle, each buckle is all set in the inside of the connecting plate corresponding.The utility model in the multiple limit blocks on right shell and left shell are fixed to cable, and by the different grooves formed between multiple limit blocks, so that cable can take different direction and access inside module, while by limit block, cable inside is fixed, prevent cable from falling off.

The present invention relates to the technical field of detection equipment, and discloses an intelligent network card insertion and extraction detection device, including a base. A hollow rotating shaft is rotatably connected above the base, and a storage ring frame is fixedly installed on the upper part of the hollow rotating shaft. By reversing the storage ring frame to drive the top plate and the guiding pulley to slide, under the guiding action of the guiding groove and the arc-shaped inclined block, the guiding pulley is driven to slide upward along the arc-shaped inclined block. The upward sliding of the guiding pulley drives the top plate to move upward, and the upward movement of the top plate pushes the intelligent network card upward. In this way, the intelligent network card can be taken out for detection. After the intelligent network card is detected, it is placed back in place, and then the storage ring frame is released. Under the action of gravity, the intelligent network card, the top plate and the guiding pulley move downward. In this way, the intelligent network card can be taken out for detection, and after the detection is completed, the intelligent network card is inserted back into the storage ring frame.

The invention discloses a long-distance port expansion device based on a multi-port PHY chip, and the device comprises a near-end device which is integrated with a multi-channel serial interface supporting a multi-port protocol; the remote equipment comprises at least one PHY (Physical Layer) chip, and the PHY chip is provided with an uplink multi-channel protocol interface supporting a multi-port protocol and is provided with a plurality of downlink network ports; and the multi-channel serial interface of the near-end equipment is connected with the uplink multi-channel protocol interface of the PHY chip through a long-distance transmission medium. According to the invention, the port access and data forwarding functions of a traditional switch (including a switch realized by a switch chip or a processor) are directly replaced by the far-end multi-port PHY, and the method is suitable for various network communication scenes sensitive to network cost, time delay and architecture complexity.

The utility model discloses a PCIe-based radio astronomy band-pass signal power spectrum estimation operation card, which is characterized by comprising a PPS (pulse per second) module used for receiving an input pulse per second synchronizing signal and locking the pulse per second synchronizing signal and a reference clock signal provided by a CLK clock module in a phase-locked loop mode, a clock synchronization signal of the second pulse reference is generated, and synchronous control is carried out on the DDC band-pass signal down-conversion module; the DDC band-pass signal down-conversion module is used for sequentially processing the sampling data output by the ADC sampling module according to the clock synchronization signal of the second pulse reference and then outputting the sampling data to the PFB channelization and power spectrum estimation operation module; and the PFB channelization and power spectrum estimation operation module is used for performing PFB channelization and power spectrum estimation operation on the input data to obtain a power spectrum estimation result, and transmitting the power spectrum estimation result to the PCIe interface module or the network port module for outputting. According to the invention, the flexibility of band-pass data processing is improved.

The utility model relates to the technical field of industrial communication equipment, in particular to a multi-port industrial network card, which comprises a network card shell, two sides of the network card shell are provided with connecting ports, the front surface of the network card shell is provided with a positioning groove, the front surface of the network card shell is fixedly connected with a pressing plate, the pressing plate is positioned above the positioning groove, and the inner side of the pressing plate is provided with a positioning assembly. A plurality of heat dissipation holes are formed in the back face of the network card shell, grooves are formed in the bottoms of the two sides of the network card shell, buckle mechanisms are arranged in the grooves, and a network card body is arranged in the network card shell. According to the utility model, the design of the network card improves the installation convenience and stability, the rapid installation and firm fixation are realized through the positioning assembly and the buckle mechanism, the heat dissipation performance is improved through the back heat dissipation holes and the heat dissipation module, and the service life of equipment is prolonged. A shell protection layer, a dustproof, moistureproof and antistatic design and an anti-falling and anti-seismic structure enhance safety, the whole device adapts to a complex environment, and stable operation of the system is guaranteed.

The invention relates to the technical field of electric power, and discloses a communication controller and method suitable for a distributed power supply and adjustable electric power resources, the controller comprises a hardware layer, a software layer, a security protection module and an external interface, the hardware layer takes a baseband SOC chip as a core, the baseband SOC chip provides edge computing power, and a communication module establishes a full duplex network communication link; the software layer comprises an executable program running on the hardware layer, and the software layer performs information interaction with the district distributed power supply and the adjustable power resource equipment; the security protection module provides identity authentication and data encryption functions; according to the invention, full-duplex communication is realized, information interaction with the district distributed power supply and the adjustable power resource equipment is realized, the security of interaction is improved, grid-connected anti-islanding protection is realized, and the anti-islanding performance of the communication controller is improved. And observability, measurability, controllability and adjustability of the district distributed power supply and adjustable power resource equipment are realized.

A chip is disclosed, belonging to the field of electronic technology. The chip includes a dedicated scheduler, a general scheduler, and a plurality of hardware accelerators. The plurality of hardware accelerators are connected by soft connections, at least one hardware accelerator is connected to the dedicated scheduler, and at least one hardware accelerator is connected to the general scheduler. The processing flow of the dedicated scheduler is relatively fixed and the processing efficiency is relatively high. The processing flow of the general scheduler is relatively flexible and can overcome hardware design defects and improve performance through software programming. Therefore, it can provide processing flexibility while ensuring the processing efficiency of the chip.

The present application provides a network status determination method and apparatus. The method comprises: acquiring streaming protocol information and routing protocol information, and on the basis of the streaming protocol information and the routing protocol information, confirming that an IP network protocol is stable; acquiring stream metric information, and on the basis of the stream metric information, confirming that the stream metric information is stable; and on the basis that the IP network protocol is stable and the stream metric information is stable, determining that a network status is stable. By means of the method, comprehensively considering from the IP network protocol and the stream metric information allows for accurate evaluation for the status of a network, improving the precision of network health degree (stability) indication.

The invention discloses an embedded AI edge computing system structure and an external component configuration method, and belongs to the field of AI edge computing equipment design. The system is based on a Jetson AGX Orin platform, comprises a plurality of standardized interfaces, and can flexibly access different types of external equipment. The system is compact in structural design, space can be effectively saved, and meanwhile stable operation of equipment in different environments is supported. Through the design of an extensible interface, the system can flexibly add external equipment, such as a sensor and a camera, according to actual demands, and supports future technology upgrading. Each interface is subjected to optimization design, high efficiency and stability of data transmission are ensured, and the problem of signal loss or interference is avoided. The external component configuration method is flexible and adjustable, application requirements of different users can be met, and wide expansion capability is provided. The system structure not only improves the computing power of the equipment, but also optimizes the aspects of power consumption management, heat dissipation, system stability and the like, and is suitable for multiple fields of automatic driving, intelligent robots, industrial Internet of Things and the like.

Disclosed are a network interface card device, a network data transmission method, apparatus, and system, a device, and a medium, which are applied to the field of Internet technologies. The network interface card device includes a programmable device, which constructs a network platform based on a memory expansion method, and the network platform includes a network interface, a target memory, and a network component. The programmable device is connected to a network through the network interface, and exchanges data with a host by the memory expansion method. The host, based on the memory expansion method, configures the target memory of the programmable device as an extended memory of the host, for storing received target network data belonging to a network interface card processed packet type, or to-be-sent network data of the host.

The embodiment of the invention relates to the technical field of computers, in particular to a message processing method and a remote direct memory access system. According to the embodiment of the invention, a first first element of a receiving work queue is obtained through a prefetching analysis module to serve as a reference element, the reference element is analyzed to obtain reference information of a reference receiving cache, the reference information is sent to an aggregation processing module, and the aggregation processing module determines target aggregation information of a target operation message according to the reference information; and obtaining the target data according to the target aggregation information, and sending the target data to the reference receiving cache, thereby dynamically matching one or more request operation messages processed by one first element, performing aggregation processing on the data carried by the target operation message, fully utilizing the storage space of the receiving cache, improving the utilization rate of the storage space of the receiving cache, and improving the user experience. The number of times of acquiring the first element by the remote direct memory access network card is reduced, so that PCIe operation is reduced, processing delay is reduced, and the PCIe bandwidth utilization rate is improved.

The invention relates to the technical field of geographic information technology and hydraulic engineering digitization, and discloses a river exploration information transmission device which comprises a front cover, and a rear cover is arranged on the back face of the front cover. According to the invention, through the arrangement of the front cover, the rear cover, the voice switch, the sound box interface, the GPS antenna interface, the GPS data transmission interface and the GPS signal interaction device, the device can complete the precise positioning of the survey ship through the GPS signal interaction device and the GPS antenna interface in the operation process. After the accurate information of the survey ship is obtained, the user can check information of other water areas by pressing the voice switch, so that remote information transmission is realized, the user can report the information without investigating the position of the survey ship on site, and the flow of related information transmission in the water conservancy industry is simplified; and multi-azimuth information is displayed on one screen, so that a professional analysis report can be retrieved through intelligent response, and the practicability and the application value of the device are further improved.

The invention discloses a server IPMI interface and serial port automatic switching device which comprises a monitoring device, a relay switching matrix, an RJ45 interface, a transformer, a BMC and an RS232 level switch, the BMC is connected with the output of the RS232 level switch, the input of the RS232 level switch is connected with the relay switching matrix, the relay switching matrix is connected with the monitoring device and the RJ323 interface, and the RJ323 interface is connected with the transformer. The transformer is connected with the relay switching matrix and the BMC. The Ethernet port and the serial port share one RJ45 interface, so that the waste of a BMC interface board of a rear panel of the server is avoided in space, one RJ45 interface is reduced in cost, and the cost of the whole server is reduced.

The invention discloses an MPSoC multi-interface large-capacity data recording device based on Beidou positioning time service, and relates to the technical field of data recording, the MPSoC multi-interface large-capacity data recording device comprises a data base plate, a core plate, a storage module and a Beidou module, and each module is connected with the data base plate through a connector; the Beidou module communicates with the core board through two serial ports and one GPIO, and communicates with a satellite antenna through a radio frequency cable; a plurality of monitoring serial ports are preset on the data base plate and used for being connected with monitored equipment, and a plurality of network ports are preset on the data base plate and used for being connected with an upper computer and monitoring network port equipment. When the device works, space-time information is obtained through the Beidou module, a hardware-level timestamp is generated in combination with a high-resolution counter in the core board, multi-source data summarization labeling is achieved, the labeled data are reported to an upper computer in real time and written into the storage module through the high-speed storage interface, and the data are stored in the storage module. The problems of multi-protocol concurrence bottleneck, time jitter ultramicro-second and insufficient storage bandwidth in the prior art are solved.

The invention provides an HTTP protocol multi-interface arrangement, combination and analysis method and device, and the method comprises the steps: sorting and calling target interfaces needing to be called based on an execution strategy selected by a user according to a business demand, and the execution strategy comprises a calling strategy and / or a caching strategy; the number of the target interfaces is at least one; the method comprises the following steps: when an execution strategy aiming at a target interface is received, determining a corresponding calling path, a calling parameter and a cache identifier according to the execution strategy and identity information of the target interface; determining a calling sequence of the target interface according to a preset arrangement rule; according to the calling sequence, calling the target interface according to the calling path, the calling parameter and the cache identifier; and after calling is completed, outputting an execution result, analyzing the execution result, and outputting an analysis result. And calling interfaces are dynamically sorted based on a strategy, and the execution efficiency and flexibility are improved in combination with cache optimization.

The utility model relates to a network card based on WX1820AL. The WX1820AL-based network card comprises a CPCIE (Compact Peripheral Component Interconnect Express) * 8 connector, two WX1820AL chips, four optical modules and a power supply module, the CPCIE * 8 connector is electrically connected with the two WX1820AL chips, on one hand, the CPCIE * 8 connector receives PCIE signals from equipment outside the network card, and on the other hand, the CPCIE * 8 connector sends the received PCIE signals to the corresponding WX1820AL chips; the four optical modules are averagely divided into two groups, and the two optical modules in each group are electrically connected to the same corresponding WX1820AL chip; each WX1820AL chip is used for converting the received PCIE signal into two SFP + signals and respectively sending the two SFP + signals to the corresponding group of two optical modules; and the power supply module is electrically connected with the two WX1820AL chips to supply power. The utility model designs a 10-gigabit network card integrated with four optical modules on the basis of a WX1820AL chip.

The invention provides a network switching device and a network conversion device, and is applied to the technical field of communication, the network switching device comprises a 4G module and an Ethernet conversion module, and the 4G module is used for sending first data to the Ethernet conversion module; the Ethernet conversion module is connected with the 4G module, and is used for receiving the first data, converting the first data into an Ethernet frame, and transmitting the Ethernet frame to a wired network. According to the embodiment of the invention, the 4G module can be a CAT1 module, so that the 4G signal of the base station is converted into a wired network through the CAT1 module and the Ethernet conversion module, and the CAT1 module has a huge advantage in cost compared with a CAT4 module, so that the production cost is reduced.

The invention belongs to the technical field of wired communication, and particularly discloses an autonomous controllable radio station access gateway device. The system comprises an Ethernet control module, a CPU module, an FPGA module, an audio digital-to-analog conversion module, a serial port interface module and a parallel port acquisition control module, wherein the Ethernet control module is used for realizing network transceiving of data; the CPU module is used for realizing encapsulation and de-encapsulation of audio media streams, serial port data and parallel port data; the FPGA module is used for realizing analysis, coding and decoding of audio, serial port and parallel port signals and network packing transmission work; the audio digital-to-analog conversion module is used for realizing sampling, transmitting and receiving of multiple paths of analog audio signals; the serial port interface module is used for realizing physical layer transmission of serial port signals; the parallel port acquisition control module is used for state acquisition of various input parallel port signals and state control of report and output parallel port signals; therefore, various radio stations and terminal equipment are accessed, differences of different equipment types and communication interfaces are shielded, and a unified network communication platform is established.