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637 results about "Network switch" patented technology

A network switch (also called switching hub, bridging hub, officially MAC bridge) is networking hardware that connects devices on a computer network by using packet switching to receive, and forward data to the destination device.

Dynamic access blocking method based on zero trust

The invention relates to the technical field of network security, in particular to a dynamic access blocking method based on zero trust. Comprising the following steps: step 1, collecting whole network flow data in real time in a bypass monitoring mode through a flow mirroring function of a network switch, performing deep packet inspection analysis on the collected original flow data, and extracting network flow characteristic parameters; 2, maintaining a dynamic identity information base; 3, performing real-time behavior analysis on each network session; 4, according to the risk assessment result and the real-time security context, generating a dynamic access control strategy based on a minimum permission principle; 5, implementing access control at the network execution point; and 6, continuously monitoring the network flow and the strategy execution effect, collecting feedback data, optimizing the risk assessment model and the strategy generation algorithm based on the feedback data, and forming closed-loop control. By dynamically updating the identity and asset information, the system can identify new assets or changes in real time, so that the adaptability and response capability of a network environment are improved.
Owner:SHANDONG NETWORK SECURITY TECHNOLOGY CO LTD

Three-in-one network Internet of Things card automatic switching method

The invention relates to a three-in-one network Internet of Things card automatic switching method. The switching method comprises the following steps: collecting state parameters of a plurality of operator networks; constructing a signal space topology model of the target area, predicting each operator network according to the signal space topology model, and calculating a comprehensive quality score of each operator network according to a preset multi-dimensional weighted evaluation model so as to establish standby communication links of other to-be-switched networks; calculating a corresponding switching income index according to the comprehensive quality score and a historical switching record of the currently used network, and generating a corresponding network switching instruction; and calculating a communication performance change result before and after switching of the network switching instruction so as to perform adaptive adjustment on weight parameters in the multi-dimensional weighted evaluation model. The method can predict and complete switching in advance before signal attenuation or network congestion, avoids communication interruption, dynamically optimizes a decision according to the use history and switching cost, and achieves a network switching control effect with both performance stability and economical efficiency.
Owner:SHENZHEN KAILU INNOVATION TECH CO LTD

Charge based switched matrix and method therefor

A reconfigurable, for example with time, network switch matrix coupling switch charge circuits representing multiply and add circuits (MACs) and neurons (MACs with activations) capable of accepting and outputting proportional to charge pulses through crossbars within said network, said crossbars controlled by local controllers and higher level controllers to setup said crossbar communications.
Owner:AISTORM INC

Network switching method and device

The invention discloses a network switching method and device, and belongs to the technical field of communication. The method comprises the following steps: acquiring a network state parameter corresponding to a first embedded subscriber identity module (eSIM) card in a terminal; under the condition that the network state parameter meets a preset abnormal condition, controlling the terminal to be switched to a second eSIM card; wherein the preset abnormal condition comprises any one of the following conditions: a ping-pong switching abnormal condition, a long-time off-network abnormal condition or an IMS registration failure abnormal condition; the operator corresponding to the first eSIM card is different from the operator corresponding to the second eSIM card.
Owner:VIVO MOBILE COMM CO LTD

Radar image adaptive reconstruction and classification method based on intelligent hierarchical learning

The invention belongs to the technical field of image reconstruction and classification, and particularly relates to a radar image adaptive reconstruction and classification method based on intelligent hierarchical learning, and the method comprises the steps: obtaining an original radar image and radar platform parameters, and obtaining a standardized preprocessing image; outputting a high-fidelity reconstructed image through hierarchical processing; carrying out Sobel gradient calculation to obtain a gradient image and carrying out region division, carrying out differential dynamic window local enhancement, and then carrying out global gray balance and secondary filtering to obtain an enhanced and optimized image; carrying out local / global feature extraction, carrying out weighted fusion by utilizing semantic association, and outputting a multi-layer fusion feature map; outputting a high-confidence identification result by utilizing candidate region acquisition and difficulty evaluation, dynamic network switching identification and confidence closed-loop verification; and integrating the original radar image, the high-fidelity reconstructed image and the high-confidence identification result, and outputting a structured report. According to the method, the optimal balance of radar image speckle noise suppression and detail reservation can be realized.
Owner:BEIHANG UNIV

Multi-machine multi-card distributed training optimization system and method oriented to credential heterogeneous environment

The invention discloses a multi-machine multi-card distributed training optimization system and method oriented to a credential heterogeneous environment, and relates to the technical field of distributed training. In order to solve the defects existing in distributed training in a credential and credential heterogeneous environment, the system comprises an application layer for receiving a training task; the core system layer comprises a self-adaptive task scheduling module, a hybrid communication topological optimization module and a dynamic check point and elastic recovery control module, and the scheduling module generates a performance portrait and an optimal scheme based on a training task and adjusts the scheme according to a node fault; the optimization module executes the scheme, firstly detects node topology, constructs a hierarchical path, loads and initializes an optimal communication rear end for target equipment, and synchronizes the path to the target equipment; the control module periodically stores a complete training context and realizes reliable recovery of a training process; the credential hardware abstraction layer is used for providing a uniform interface for realizing underlying resource access and data acquisition; and the hardware resource layer comprises heterogeneous computing nodes and an RoCE network switch.
Owner:INSPUR QILU SOFTWARE IND

Network resource redistribution method

The invention relates to a network resource redistribution method, and belongs to the technical field of network switching. The method comprises the following steps: initializing system parameters; when entering a path maintenance period, setting a current path serial number, and entering a path of the current serial number; traversing all current paths generated based on the bisecting moth optimization method, and performing path maintenance on the current paths; the state of each node in the current path is checked, and if a failure node exists, a network resource scheduling method based on a bipartite moth optimization method is adopted to carry out failure node resource redistribution; checking the state of each link of the current path, if a failed link or a congested link exists, regarding the failed link or the congested link as the failed link, and performing failed link resource redistribution by adopting a network resource scheduling method based on a bipartite moth optimization method; and entering the circulation again until the system finishes working. The problem that local correction cannot be performed when the resource scheduling strategy fails is solved.
Owner:CHINA ELECTRONICS TECH GRP NO 7 RES INST

AI Agent-assisted enterprise data analysis method and system

The invention discloses an AI Agent-assisted enterprise data analysis method and system, and relates to the technical field of data analysis, and the method comprises the steps: connecting an enterprise network switch, deploying an RS-485 management network, and deploying at least two AI Agent computing nodes at the edge side of the enterprise network switch; carrying out storage redundancy analysis to obtain a redundancy label matrix; establishing a distribution relationship; issuing a redundancy processing task according to the distribution relationship, and performing data processing to obtain a plurality of return data sets; and performing overlay storage on a metadatabase of the enterprise storage management center according to the plurality of return data sets. The technical problems that in the prior art, storage redundancy of an enterprise meta-database is difficult to recognize accurately, storage optimization after data processing is insufficient, and consequently enterprise data storage efficiency is low are solved, efficient redundancy processing and optimized storage of the meta-database of the enterprise storage management center are achieved, and the enterprise data storage efficiency is improved. And the technical effect of enterprise data storage efficiency is improved.
Owner:NANJING ICRODE INFORMATION TECHNOLOGY CO LTD

Multi-access network intelligent selection system and method in 5G network environment

The invention discloses a multi-access network intelligent selection system and method in a 5G network environment, and the system comprises a multi-network state sensing module, a service feature recognition module, an intelligent access decision module, a network switching control module, and a strategy updating and learning module. According to the present service type and service quality demand dynamic optimization, communication performance and user experience are considered, an access decision-making mechanism with an adaptive learning capability is constructed, experience can be accumulated along with time, a strategy can be continuously optimized, the frequency and cost of network switching are controlled, the communication continuity is ensured, unnecessary switching risks are reduced, and the network switching efficiency is improved. The method is suitable for various actual scenes such as a 5G mobile terminal, a vehicle-mounted communication device and an industrial terminal, the communication performance and the overall use experience of the terminal device in the 5G environment under the multi-network access condition are effectively improved, and a basic support is provided for achieving heterogeneous network convergence and intelligent communication.
Owner:BEIJING TELECOM PLANNING & DESIGNING INST +1

Robot cluster control method and system and storage medium

The invention relates to a robot control technology, and discloses a robot cluster control method and system and a storage medium, and the method comprises the steps: receiving motion state data, network link state data and service type information of each robot; predicting a motion track of each robot in a future preset time period based on the motion state data in combination with a digital map, and predicting a communication quality change trend of a current network link of each robot in the future preset time period based on the network link state data; determining a target network link of each robot based on the motion trail, the communication quality change trend, the digital map, the service type information and the received node operation state information of each edge relay node, and generating a network switching instruction containing the target network link and the switching opportunity, and the corresponding robot executes network link switching according to the network switching instruction. According to the invention, global prediction and active switching of robot cluster communication can be realized.
Owner:ZIGONG YOULONG INTELLIGENT TECHNOLOGY CO LTD +1

Network switching of operating virtual machines

A cloud computing resource system may receive an allocation request to connect the virtual machine to a customer network, wherein the virtual machine is executing while the allocation request is received and the allocation request includes network configuration information of the customer network. A cloud computing resource system may detect a discovery request from the virtual machine triggered by receipt of the allocation request, wherein the virtual machine remains executing during detection of the discovery request. A cloud computing resource system may update, responsive to detecting the discovery request from the virtual machine, a virtual network interface controller of the virtual machine with the network configuration information of the customer network, wherein the virtual machine remains executing during updating of the network configuration information.
Owner:MICROSOFT TECHNOLOGY LICENSING LLC

System-on-chip that performs network switching and directly drives actuators

A System-on-Chip (SoC) for performing a network switching operation and an operation of directly driving an actuator is disclosed. The SoC includes an MCU (Micro Control Unit) subsystem configured to calculate command data and a processing result value for driving using an in-vehicle command signal and sensor data, a network device configured to route an input signal and transmit the routed input signal to a destination node and a memory subsystem having a memory for code execution, data and program loading, and storage for the MCU subsystem and the network device and the network device having a driving signal processing unit configured to directly drive an actuator connected to the SoC.
Owner:TELECHIPS INC

Emergency protection method for intelligent medium-voltage looped network switch cabinet

The invention belongs to the technical field of intelligent power grid protection, and discloses an intelligent medium-voltage looped network switch cabinet emergency protection method, which comprises the steps of obtaining real-time electrical state data of each switch cabinet in looped network topology and performing multi-parameter electrical coupling analysis on the real-time electrical state data to obtain a dynamic electrical association diagram; fault identification is carried out based on the dynamic electrical association diagram to obtain fault source nodes, and a fault propagation path prediction matrix is constructed according to the positions of the fault source nodes and electrical coupling strength distribution characteristics; calculating the breaking time sequence priority of each switch cabinet in combination with the diffusion time sequence probability and the load importance to obtain a linkage breaking instruction sequence; mechanical response time delay and arc extinguishing time dynamic adjustment and real-time increment updating are carried out on the linkage breaking instruction sequence; according to the method, the accuracy of fault isolation and the coordination of protection actions are remarkably improved, and high-quality technical support is provided for looped network power supply protection and intelligent operation and maintenance.
Owner:DONGGUAN NABAICHUAN ELECTRONIC TECHNOLOGICAL CO LTD

Network switching method, terminal equipment and computer readable storage medium

The invention provides a network switching method, terminal equipment and a computer readable storage medium. The method and the device relate to the technical field of communication and are used for solving the problem that terminal equipment cannot recover connection with a high-standard network for a long time. The method comprises the following steps: when the terminal equipment is in a first network coverage area but does not reside in a first communication network, judging whether the terminal equipment currently reside in a second communication network, and if the terminal equipment does not reside in the second communication network, initiating frequency point search for the second communication network. Based on the method, the terminal equipment can be ensured to quickly recover the connection with the high-standard network.
Owner:HONOR DEVICE CO LTD

Network switch systems and methods

A disclosed method may include (i) detecting, by a mobile virtual network operator, that an improvement in telecommunication service would result from performing a network switch that switches a home network of a client of the mobile virtual network operator from a first network infrastructure of a first mobile network operator that is serving clients for the mobile virtual network operator to a second network infrastructure of a second mobile network operator that is also serving clients for the mobile virtual network operator and (ii) detecting, by the mobile virtual network operator, that the network switch is prohibited at least in part by detecting that the client has failed to satisfy a condition that is controlled at least in part by the client and that is necessary for performing the network switch successfully.
Owner:BOOST SUBSCRIBERCO LLC

Outdoor electric vehicle charging station integrated security and protection system

The utility model discloses an outdoor electric vehicle charging station integrated security and protection system, which comprises a cabinet body, a fire alarm device, a monitoring device, a lighting device, a drainage device and a barrier gate, a switch, a router and a wire bank are arranged in the cabinet body through a mounting rack, one end of the wire bank is electrically connected with an external power supply, and the other end of the wire bank is electrically connected with a power supply. The other end of the wire row supplies power to a switch, a router, a fire alarm device, a monitoring device, a lighting device, a drainage device and a barrier gate; the switch and the router are connected and then are communicated with the fire alarm device, the monitoring device, a local display and a machine room network switch which are arranged outside the cabinet body through network cables; through integration of the fire alarm device, the monitoring device, the lighting device, the drainage device and barrier gate control, management is facilitated, fire and water level monitoring is added on the basis of an existing security and protection system, hidden dangers can be found in time, monitoring information is sent to a background terminal and a local display through a network cable, and personnel can watch the monitoring information conveniently.
Owner:郑州祥和电力设计有限公司

Method and apparatus for providing network switching service in 5G communication system

Provided are a method and apparatus for providing a network switching service to a user equipment. A method of a network apparatus for enabling a user equipment to switch a communication network between a public network and a private network by communicating with a subscriber apparatus, where the subscriber apparatus stores subscribed Network Slice Selection Assistance Information (NSSAI) of the user equipment and a network selection discriminator (NSD) at a subscriber profile, the network selection discriminator (NSD) indicates a network selected by the user equipment, the method may include receiving a registration request from the user equipment and transmitting a slice selection subscription data request to the subscriber apparatus; receiving the subscribed NSSAI from the subscriber apparatus, wherein as the subscribed NSSSAI, subscribed single (S)-NSSAI with at least one value is received; transmitting a registration response including allowed S-NSSAI based on the received subscribed S-NSSAI; and receiving a session establishment request including the allowed S-NSSAI from the user equipment and creating a session to one of the public network and the private network according to the allowed S-NSSAI included in the session establishment request.
Owner:KT CORP

Method for implementing zero trust role-based microsegmentation based on network switch and network controller and access switch using the same

There is provided a method for implementing a zero trust role-based microsegmentation based on a network switch. The method includes steps of: (a) registering, by a network controller, the specific network device in a specific segment among preset segments by referring to asset information corresponding to the specific network device; and (b) transmitting, by the network controller, a specific segment ID corresponding to the specific segment to the access switch, to thereby instruct the access switch to assign the specific segment ID as metadata to a specific MAC address of the specific network device by using VACL, and control an access of the specific network device to the network resources based on at least one specific resource access control rule corresponding to the specific segment ID by using IACL.
Owner:PIOLINK

Simplified test method for FC network switch

The invention provides an FC network switch simplified test method, which relates to the technical field of aviation systems, and comprises the following steps: S1, constructing a test environment, inserting a first FC switch and a second FC switch into a test tool, and interconnecting a plurality of ports of the first FC switch and the second FC switch; s2, controlling the first FC switch and the second FC switch to start and operate in a ground working mode through an external discrete magnitude, and setting domain IDs of the two switches to be 1; and S3, controlling the CPUs of the first FC switch and the second FC switch to inject an FC excitation source through software, so that the first FC switch and the second FC switch mutually send and receive FC test messages through interconnected ports to execute an automatic test. According to the method, the problem of test environment conflict frequently existing in actual scientific research test and experimental test is solved, the progress of production delivery, scientific research and troubleshooting is accelerated, and a reference basis is provided for development and test of similar products.
Owner:XIAN AVIATION COMPUTING TECH RES INST OF AVIATION IND CORP OF CHINA

Network switch installation protection device

The utility model is suitable for the technical field of network equipment, and provides a network switch installation protection device, which comprises a protection shell, and spacing frames with adjustable spacing are symmetrically arranged in the protection shell and are used for placing a network switch main body; the detachable shell cover is arranged on the protective shell, an air inlet is formed in the shell cover, and a cooling fan used for ventilation is assembled in the air inlet; the mesh enclosure is fixedly mounted at the top of the shell cover through a bolt and is used for covering the air inlet; the air guide pipe is fixedly mounted at the air outlet end of the air inlet and is provided with a filter plate which can be pulled and detached; the exhaust hole is formed in the bottom of the protective shell and used for exhausting and heat dissipation; and the positioning mechanism is arranged on the shell cover and is used for positioning. The network switch installation protection device provided by the scheme solves the problem that the installation of the current network switch is lack of protection and is easily and seriously eroded by dust.
Owner:CHINESE PEOPLES LIBERATION ARMY UNIT 31401

A real-time stability control device suitable for new energy grid-connected systems

This invention provides a real-time stability control device suitable for new energy grid-connected systems, relating to the field of new energy grid-connected control. This real-time stability control device for new energy grid-connected systems includes a power grid system, a communication system, a wind power integrated management system, and a wind power inter-regional consumption system. The power grid system includes a main grid, distribution network, wind farms, electrical equipment, and transmission lines. The wind farm includes wind turbines, generator sets, and substations. The communication system consists of a GPS system, a dispatch center, a power dispatch data network, network switches, and a wind power integrated management communication terminal. By combining the wind farm aggregation station with the conditions of wind farms in various regions, inter-regional transmission lines are selectively activated. When a region reaches a low-load period, the electricity generated by the wind farms in that region is transmitted inter-regionally to regions with high load during that period, effectively avoiding excessively high wind curtailment rates and contributing to grid stability.
Owner:STATE GRID HEBEI ELECTRIC POWER CO LTD BAODING POWER SUPPLY BRANCH CO

Network switching method, device, equipment and medium

Disclosed are a network switching method, apparatus and device, and a medium, which relate to the technical field of communications, are applied to user equipment, and comprise: monitoring service quality indexes of at least two dimensions in a process of communication with a source base station; carrying out comprehensive trend analysis on the service quality indexes of the at least two dimensions, and judging whether a network switching condition is met or not based on a comprehensive trend analysis result; if yes, a switching request carrying identification information of the target base station is sent to the source base station, so that the source base station transmits the target difference context information to the target base station based on the switching request, and then a switching instruction is issued to the user equipment; and in response to the switching instruction, establishing a connection with the target base station based on the dual-activation protocol stack, and when the connection with the target base station reaches a preset stable state, releasing the connection with the source base station to complete network switching. According to the invention, the switching continuity and reliability are ensured, the accuracy of the switching triggering opportunity is improved, and the transmission overhead is reduced.
Owner:FIBOCOM WIRELESS

Multi-layer network switch based on intelligent routing

The invention discloses a multi-layer network switch based on intelligent routing, and the structure of the multi-layer network switch comprises a slot, a protection device, a heat dissipation net, an indication lamp, a network switch, and a wire plugging port. The adsorption base is stably arranged at the middle position of the lower end in the placement groove under the action of the powerful sucking disc, so that the top of the steering assembly can be connected with the network switch, and meanwhile, the butt joint pressing plate is pressed at the upper end of the network switch in parallel; the attaching piece arranged at the lower end of the butt-joint pressing plate can assist the butt-joint pressing plate to be connected to the network switch in parallel along with the butt-joint pressing plate, the steering assembly is supported by the adsorption base to adjust the angle of the network switch to a corresponding position, and therefore a worker can rapidly and stably insert a corresponding network cable into a corresponding insertion groove. The working intensity of workers is effectively reduced, and the operation convenience of the network switch is improved.
Owner:林家正

Direct sensor logging for vehicle network logger system

A method for performing direct logging of sensor data in a vehicle network logging system (VNLS) installed on an autonomous vehicle (AV), the VNLS comprising a network switch connected between an onboard sensor of the AV and an onboard computer of the AV, the network switch comprising a logger for logging sensor data to a disk, is described and includes providing a converter node on the network switch; receiving, using the converter node, data generated by the onboard sensor; and converting, using the converter node, the received data to a data record suitable for logging by the logger to the disk.
Owner:GM CRUISE HOLDINGS LLC

An intelligent network switching method, medium and device based on a dual connection architecture

This invention relates to the field of network connectivity control, and particularly to an intelligent network switching method, medium, and device based on a dual-connectivity architecture. When both Wi-Fi and cellular networks are enabled simultaneously, this method establishes and maintains two connections at the application layer pointing to the same server, binding the Wi-Fi and cellular network interfaces respectively. By monitoring the network quality parameters corresponding to the two connections in real time, when the Wi-Fi network quality parameter consistently falls below a preset threshold, and the cellular network consistently outperforms Wi-Fi, the system switches from Wi-Fi to cellular; when the Wi-Fi quality parameter consistently exceeds the threshold, it switches back to Wi-Fi, thus avoiding frequent switching. A unique sequence number is assigned to each data packet, and the server deduplicates data to ensure consistency. This method, through dual connectivity, real-time monitoring, differentiated switching, and data deduplication, solves problems such as untimely network switching, high latency, and poor stability, improving the communication quality and user experience of mobile terminals.
Owner:MOBILE TECH COMPANY CHINA TRAVELSKY HLDG

Lightweight distributed test system

The invention, which belongs to the technical field of equipment testing, provides a lightweight distributed testing system comprising a remote controller and a near-end testing unit. Wherein the remote controller comprises a computer and a functional interface card; the near-end test unit is a board card framework and comprises multiple sets of independent measurement and control systems and a network switch, each set of measurement and control system is composed of a main control board, a time sequence board, a power distribution board and a power board, the multiple sets of measurement and control systems share one bottom board, the main control board, the time sequence board and the power distribution board are all provided with network interfaces, and the network interfaces are connected with the network switch. All network interfaces are gathered through the network switch; the remote controller is in communication connection with the near-end test unit and has a wireless communication mode and a wired communication mode. The device has the advantages of being convenient to move, convenient to assemble and maintain, high in expandability and environment applicability and capable of meeting the requirements for diversification and combination of products to be tested.
Owner:HUBEI SANJIANG AEROSPACE HONGFENG CONTROL

Novel network switch

A novel network switch provided by the utility model comprises a network switch body and anti-loosening mechanisms, the network switch body is provided with a plurality of wiring ports, the number of the anti-loosening mechanisms is multiple, the anti-loosening mechanisms are in one-to-one correspondence with the wiring ports, and each anti-loosening mechanism comprises a hinge head, a base, a connecting shaft, a torsion spring and an anti-loosening buckle. The base is installed below a wiring port in the network switch body, the hinge head is connected with the base through the connecting shaft, the tail portion of the connector is connected into the connecting hole, then the connector is inserted into the wiring port of the network switch body to achieve insertion of the connector, and then the anti-loosening buckle can be tightly attached to an opening of the wiring port through the torsion spring. And stable thrust is applied to the tail part of the connector, so that the tail end part of the connector is effectively bound, and the connector is prevented from loosening at the wiring port after being pulled by external force.
Owner:FUJIAN RUIYU INTELLIGENT TECH CO LTD

Synchronization of components in a network

ActiveCN115699797BProgramme controlModulated-carrier systemsSynchronization networksEngineering
This invention discloses a network synchronization device that may include a matched filter. The matched filter may be configured to generate an event for synchronizing the operation of elements in the network, at least in part in response to a timing frame generated at a network switch. The event for synchronizing the operation of the element may include a first event generated at least in part in response to first information associated with a first element and a second event generated at least in part in response to second information associated with a second element. Related systems and methods are also disclosed.
Owner:MICROCHIP TECHNOLOGY INC

Network switching method, system, device and medium based on multi-round simulation optimization

The application relates to the technical field of wireless communication, and discloses a network switching method, system, device and medium based on multi-round simulation optimization, which comprises the following steps: acquiring real-time network state information to perform flow prediction, obtaining an overall flow prediction result; acquiring a load value from the overall flow prediction result, and if the load value is higher than a load threshold value, determining a high-load access point and redirecting flow to a nearby access point to obtain an initial network configuration; performing multi-round switching simulation to generate a candidate sequence, and if a preset load balancing condition is met, obtaining a preliminary switching scheme and calculating a reward value, selecting a switching scheme with the highest reward value as an optimized switching scheme; executing the optimized switching scheme, recording access point states; performing abnormality detection, and if there is an abnormal access point, adjusting a prediction method and predicting overall flow, optimizing network configuration according to a prediction result, and obtaining a final network switching configuration. The method can efficiently and stably switch wireless networks in a complex network environment.
Owner:STATE GRID GRID GANSU ELECTRIC POWER CO QINGYANG POWER SUPPLY CO

Switching expansion cable and distributed control system

This application discloses a switch expansion cable, relating to the technical field of distributed control systems. The switch expansion cable and the switch communication cable are different colors to distinguish them. The switch communication cable is used to connect the control station to the switch or the switch to the operator station. In the embodiments provided in this application, the switch expansion cable and the switch communication cable are distinguished by color. This method prevents network switch loop operation caused by mis-insertion of the switch expansion cable, reduces the risk of DCS system paralysis, and thus reduces the risk of process system loss of control.
Owner:TIANJIN GUOHUA PANSHAN POWER