238results about "Data switching details" patented technology

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 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.

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 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.

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.

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 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.

The invention provides a vehicle-mounted communication system and a vehicle, relates to the technical field of vehicles, and is used for solving the technical problem of how to realize decoupling of a domain control module and an execution module in related technologies. The system comprises a domain control module and an execution module, the domain control module comprises a control unit and a first transceiving interface; the execution module comprises a second transceiving interface, a first protocol conversion unit and a first execution unit; the control unit is used for generating a control instruction based on the vehicle state information and sending the control instruction to the second transceiving interface through the first transceiving interface; the second transceiving interface is used for receiving the control instruction and sending the control instruction to the first protocol conversion unit; the first protocol conversion unit is used for sending the control instruction to the first execution unit; the first execution unit is used for outputting corresponding electric signals based on the control instructions and centralizing all control logics and algorithms to the domain control module, the execution module does not need to be provided with an independent control unit, and centralized management of software functions of the execution module is achieved.

The utility model discloses an OCP adapter plate supporting hot plug, which is electrically connected with a main board, the OCP adapter plate supporting hot plug comprises an OCP connector, a hot plug control circuit and an OCP network card, and the main board is provided with a CPU and a CPLD chip; the hot plug control circuit, the OCP connector and the OCP network card are electrically connected in sequence, the hot plug control circuit is further connected with the power supply, the OCP connector, the CPU and the CPLD chip are electrically connected in sequence, and the CPLD chip is electrically connected with the hot plug control circuit. The OCP adapter plate supporting hot plugging is independent of the mainboard, space and resources on the mainboard are saved, through the mainboard, the hot plugging control circuit and the OCP connector, the OCP network card can be easily replaced under the condition of uninterruptible power supply, direct plugging can be achieved, application is flexible, device configuration, debugging and follow-up maintenance are facilitated, and therefore cost is reduced.

The application provides a traffic updating method and system, relates to the technical field of communication, and comprises the following steps: a server end acquires an Internet of Things card needing traffic updating in a traffic updating queue; the server end performs resource allocation according to the traffic updating queue; the server end performs state pre-checking on the Internet of Things card, if the Internet of Things card is in an abnormal state, the Internet of Things card skips the current updating task and removes the Internet of Things card from the traffic updating queue, or pushes the Internet of Things card to an alarm module; the server end performs operator traffic data rationality checking; and the server performs traffic updating on the Internet of Things card. In this way, under limited server resources, more traffic updating operations of the Internet of Things card can be carried out by using server resource allocation, the timeliness and accuracy of traffic updating are improved, and the throughput of the server is improved.

This utility model discloses a connection terminal for multi-terminal collaborative control of an ERP system, relating to the field of multi-terminal collaborative control technology for ERP systems. The utility model includes a terminal body with an indicator light at the bottom corner and a touch screen embedded in the front. An extension surface with a built-in sensing area is located on the top of the terminal body. A mounting base is fixed to the back of the terminal body, with a wiring area on its upper part. The internal PCB board of the terminal body integrates a main control terminal module, a data interaction interface module, a network communication module, a user access control module, a local storage module, and a power management module. The touch screen is connected to the main control terminal module via a flexible cable. This utility model, by integrating the user access control module with the sensing area, supports contactless authentication methods such as mobile phone NFC recognition and IC card recognition. This not only improves system security but also makes access control more flexible and convenient.

The application is suitable for the field of communication technology, and provides a communication interface conversion method, device, equipment and readable storage medium. The method comprises the following steps: acquiring an RGMII receiving data signal, the RGMII receiving data signal being output by a PHY layer through an RGMII interface; converting the RGMII receiving data signal into an MII receiving data signal through a first FIFO buffer; acquiring an MII sending data signal, the MII sending data signal being output by a MAC layer through an MII interface; converting the MII sending data signal under an MII clock domain into an MII sending data signal under a system clock domain through a second FIFO buffer; generating an RGMII sending clock based on a system clock through an ODDR, and converting the MII sending data signal under the system clock domain into an RGMII sending data signal based on the RGMII sending clock. Therefore, the application can avoid the occurrence of data loss, data error and the like in the interface conversion process as much as possible.

This application provides a data transmission method, a network interface card (NIC) for a data receiving end, an electronic device, and a storage medium. The data transmission method is applied to the NIC of the data receiving end. The NIC writes data to the host memory of the data receiving end via a bus. The data transmission method includes: if the bus bandwidth resources required for the NIC to write the target data to the host memory exceed the bus bandwidth resources available to the NIC, then writing a portion of the target data to the NIC's NIC buffer; the NIC buffer includes a first memory buffer configured for the NIC based on its on-chip memory and a second memory buffer configured for the NIC based on its onboard memory; the data sending end sends the target data to the data receiving end via remote direct memory access; and a portion of the data is written from the NIC buffer to the host memory. The solution of this application can better avoid data packet loss problems when facing sudden traffic surges.

The application provides an implementation method of an Ethernet card based on an eMMC bus interface and the Ethernet card, and belongs to the technical field of Ethernet, and comprises the following steps: constructing a state machine scheduler based on device driver software, initializing the eMMC Ethernet card, entering a waiting interrupt state when sending and receiving are idle, and exiting the waiting interrupt state and performing Ethernet frame block reading when an interrupt trigger is received; during scheduling, based on block transmission of the eMMC bus, using a pre-constructed special transmission data format of the Ethernet frame adapted to the eMMC bus, aggregating and transmitting one or more Ethernet data packets, and multiplexing a reserved command of the eMMC bus to read and write a configuration of an internal register of the Ethernet card. The beneficial effect is that approximate full-duplex transmission balanced scheduling of a half-duplex eMMC bus is realized, the problem of incompatibility between the eMMC format and Ethernet frame transmission is solved, and the bus reserved command is multiplexed to realize register reading and writing.