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482results about "Data switching details" patented technology

Network-capable docking station

A method performed by a docking station operable in a plurality of modes is disclosed. The method may include obtaining first data via a first interface of the docking station and second data via a second interface of the docking station, responsive to operating in a first mode of the plurality of modes. The first interface may be configured to couple the docking station to a computing device, and the second interface may be configured to communicate with a network. The method may also include obtaining third data via the second interface of the docking station, in lieu of the first interface, responsive to operating in a second mode of the plurality of modes. The method may further include selectively outputting the first data and the second data, or the third data, to a display based on whether the docking station operates in the first mode or the second mode.
Owner:SYNAPTICS INC

Communication board card and storage system

The invention relates to the technical field of storage systems, in particular to a communication board card and a storage system. The invention provides a communication board card which is applied to a storage system and comprises at least one controller connecting slot position and at least one communication network port. Wherein each controller in the storage machine head of the storage system is mounted to the communication board card through each controller connecting slot, and is in communication connection with the storage disk cabinet of the storage system based on each communication network port in the communication board card. Therefore, an independent network card does not need to be configured for each controller, so that the cost can be reduced, and the communication between each controller and the storage disk cabinet of the storage system is not influenced.
Owner:INSPUR SUZHOU INTELLIGENT TECH CO LTD

Out-of-band management system based on intelligent network card

The invention relates to an out-of-band management system based on an intelligent network card, which comprises the intelligent network card, a server and an out-of-band management switch, and is characterized in that the intelligent network card comprises a network card management controller and a switching chip, and the network card management controller is in communication connection with the switching chip; the server comprises a baseboard management controller and a physical interface transceiver, and the baseboard management controller is in communication connection with the physical interface transceiver; the out-of-band management switch is in communication connection with the intelligent network card and the server, and the out-of-band management switch is used for receiving network card state information sent by the intelligent network card and service state information sent by the server. According to the invention, the out-of-band management switch is in communication connection with the intelligent network card and the server, so that the out-of-band management switch can receive the network card state information sent by the intelligent network card and the service state information sent by the server, thereby completing the state monitoring of the intelligent network card and the server. And the out-of-band management of the intelligent network card and the server is simultaneously completed through the out-of-band management switch.
Owner:CHINA TELECOM CLOUD TECH CO LTD

System and method for implementing local aware as service in mobile network

The sensing as a service is a new normal form for researchers to start to explore recently, and is another way for providing value for cellular service consumers and network operators. This normal form transformation will implement a variety of potential applications, including local awareness services, such as positioning, tracking, V2X applications, environmental monitoring, and the like. In addition to the method, the invention also discloses a new network entity / network function, namely a sensing manager (SM). The SM processes the network node gNB and the perceptual functionality of the connected (registered) external sensor. Any available network entity in the current network does not support the function executed by the new network entity.
Owner:HUAWEI TECH CO LTD

Information processing method and device

The embodiment of the invention provides an information processing method. A first network device can receive a first bandwidth value sent by a second network device and receive a second bandwidth value sent by a third network device. The first bandwidth value indicates the bandwidth for the second network device to send the traffic to the target prefix, and the second bandwidth value indicates the bandwidth for the third network device to send the traffic to the target prefix. And according to the first bandwidth value and the second bandwidth value, the first network device determines the weight of the traffic which takes the destination prefix as the destination to be respectively sent to the second network device and the third network device. Therefore, when the first network device forwards the flow taking the destination prefix as the destination, the flow can be sent to the second network device and the third network device based on the weight. Therefore, the traffic actually received by the second network equipment and the third network equipment is matched with the bandwidth for sending the traffic to the target prefix by the second network equipment and the third network equipment, so that packet loss of the service traffic is effectively avoided.
Owner:HUAWEI TECH CO LTD

Resource adjustment method and device, network equipment and storage medium

The invention discloses a resource adjustment method and device, network equipment and a storage medium, and belongs to the field of communication. The method comprises: acquiring a current traffic load rate of a target network entity, the current traffic load rate indicating a load condition when the target network entity forwards a current network traffic, the target network entity being a plurality of interface boards, a plurality of switching network boards, or any one of the plurality of interface boards; based on the current traffic load rate, a resource adjustment strategy corresponding to the current network traffic is determined, the resource adjustment strategy indicates the adjustment condition of traffic forwarding resources in the network equipment when the current network traffic is forwarded, and the traffic forwarding resources comprise serial links of the switching network board and the interface board; and adjusting the traffic forwarding resource in the network equipment based on the resource adjustment strategy. According to the invention, the flow forwarding resources are dynamically adjusted, so that the overall power consumption of the network equipment is changed along with the change of the network flow, and the power demand and the heat dissipation demand of the network equipment under a low flow load are reduced.
Owner:HUAWEI TECH CO LTD

Network card device and data transmission system

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.
Owner:INSPUR (BEIJING) ELECTRONICS INFORMATION IND CO LTD

Multi-protocol encoder communication interface circuit based on hardware configuration

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.
Owner:东莞市智赢智能装备有限公司

Communication method, communication apparatus, and communication system

PCT designated stage expiredWO2025066617A1Data switching detailsLine-transmission details
The present application provides a communication method, a communication apparatus and a communication system, for use in improving the communication performance of the Ethernet. The method may be performed by a first device, and the first device is connected to a second device by means of two twisted pairs or four twisted pairs. The method comprises: when two twisted pairs are not faulty, sending first information to a second device, the first information being used for representing that the first device supports a variable-rate communication mode, wherein a communication rate corresponding to the variable-rate communication mode is smaller than a first communication rate corresponding to a first communication mode, and is greater than or equal to a second communication rate, and the first communication mode is a communication mode using four twisted pairs; and receiving second information from the second device, the second information being used for representing that the second device supports the variable-rate communication mode.
Owner:HUAWEI TECH CO LTD

Router and networking system composed of routing host and terminal equipment

The utility model relates to the technical field of router equipment, in particular to a networking system consisting of a router, a routing host and terminal equipment, which comprises a routing main control chip, a networking communication unit and a Halow network module, the networking communication unit is connected with the routing main control chip and is controlled by the routing main control chip, and the Halow network module is connected with the routing main control chip and is controlled by the routing main control chip. And the Halow network module is connected with the routing main control chip through a transfer module so as to solve the problems that the connection of remote equipment is realized, and the internet surfing speed is not influenced when a plurality of pieces of equipment are connected.
Owner:SHENZHEN BOZHEN TECH CO LTD

Video data transmission system based on PCIE interface

The invention provides a video data transmission system based on a PCIE interface, the system comprises a PCIE RC terminal system and a PCIE EP terminal system, each of the PCIE RC terminal system and the PCIE EP terminal system comprises a PCIE interface module and a PCIE virtualization module, the PCIE RC terminal system and the PCIE EP terminal system are connected through the PCIE interface module, and the PCIE interface module is connected with the PCIE EP terminal system through the PCIE virtualization module. The PCIE virtualization module is connected with the PCIE interface module; wherein the PCIE interface module is used for carrying out bidirectional video data transmission between the PCIE RC terminal subsystem and the PCIE EP terminal subsystem, and the PCIE virtualization module is used for controlling the PCIE interface module to execute corresponding operation according to the transmission requirement of video data and respectively creating a corresponding virtual device node for each path of video data.
Owner:DATANG GOHIGH INTELLIGENT & CONNECTED TECH (CHONGQING) CO LTD

PXE network card initialization method compatible with 64-bit addressing, equipment and medium

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.
Owner:SHANGHAI YUNMAI XINLIAN TECH CO LTD

Address management method and device of RDMA network card and electronic equipment

PendingCN119854265AData switching detailsEngineeringResource center
The invention provides an address management method and device of an RDMA network card and electronic equipment, and relates to the technical field of computer storage. According to the specific implementation scheme, a basic deployment unit Pod is created; virtual network cards of different RDMA network cards are deployed in the Pod; determining a network resource set of the RDMA network card, wherein the auxiliary address information allocated for the RDMA network card is cached in the network resource set; and reading the available auxiliary address information from the network resource set of the RDMA network card, and configuring the virtual network card of the RDMA network card based on the available auxiliary address information.
Owner:BEIJING BAIDU NETCOM SCI & TECH CO LTD

Communication method, communication device and communication system

The invention provides a communication method, a communication device and a communication system, which are used for improving the communication performance of Ethernet. The method can be executed by a first device, and the first device is connected with a second device through two pairs of twisted pairs or four pairs of twisted pairs. The method comprises the steps that when two twisted pairs do not fail, first information is sent to second equipment, and the first information is used for representing that first equipment supports a variable speed communication mode; wherein the communication rate corresponding to the variable-speed communication mode is smaller than the first communication rate corresponding to the first communication mode and greater than or equal to the second communication rate; the first communication mode is a communication mode adopting four twisted pairs; and receiving second information from the second equipment, wherein the second information is used for representing that the second equipment supports the variable speed communication mode.
Owner:HUAWEI TECH CO LTD

Network security mainboard

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.
Owner:SHENZHEN SEAVO TECH

Auto-negotiation method, communication device and communication equipment

PendingCN120075333AData switching details
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.
Owner:HUAWEI TECH CO LTD

Security-level DCS redundant communication system, communication method, equipment and medium

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.
Owner:NUCLEAR POWER INSTITUTE OF CHINA

Server system and communication method based on server system

The invention discloses a server system and a communication method based on the server system, which can improve the bandwidth capable of being used by a server and further improve the quality of services provided for tenants. The server system comprises a physical server and heterogeneous cards, wherein a plurality of network cards in the heterogeneous cards are directly connected to a first virtualization device in a cloud instance of the physical server. Since the first virtualization device records the binding relationship between the cloud instance and the plurality of network cards, the first virtualization device can utilize the binding relationship between the plurality of network cards and the cloud instance to forward the message to the destination end after receiving the message sent by the cloud instance and to be forwarded to the destination end. And selecting a first network card from the plurality of network cards, and sending the messages to the first network card, so that the first network card sends the messages to a destination end.
Owner:HUAWEI CLOUD COMPUTING TECHNOLOGIES CO LTD

Communication control main control board

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.
Owner:GUANGZHOU GUOXUN ROBOT TECH CO LTD

Unified master control new energy automobile charging interface compatible method and system

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.
Owner:SHENZHEN XIAOYUN INTELLIGENT CONTROL TECH CO LTD

Resource adjustment method and apparatus, network device, and storage medium

PCT designated stage expiredWO2025051034A1Data switching details
The present application belongs to the field of communications, and discloses a resource adjustment method and apparatus, a network device, and a storage medium. The method comprises: acquiring the current traffic load rate of a target network entity, the current traffic load rate indicating load conditions when the target network entity forwards current network traffic, and the target network entity being a plurality of interface boards, a plurality of switching network boards, or any one interface board among the plurality of interface boards; on the basis of the current traffic load rate, determining a resource adjustment policy corresponding to the current network traffic, the resource adjustment policy indicating adjustment conditions of traffic forwarding resources in a network device when the current network traffic is forwarded, and the traffic forwarding resources comprising a serial link of a switching network board and an interface board; and on the basis of the resource adjustment policy, adjusting the traffic forwarding resources in the network device. According to the present application, traffic forwarding resources are dynamically adjusted, so that the overall power consumption of the network device changes along with changes in network traffic, and the power demand and heat dissipation requirements of the network device under a low-traffic load are reduced.
Owner:HUAWEI TECH CO LTD

Method and system for remotely mirroring traffic

The invention discloses a method and system for remotely mirroring traffic, and the method comprises the steps: at a traffic import end, transferring the traffic imported into a network card to a first tunnel network card through a first traffic mirroring program; the first tunnel program segments the traffic received by the first tunnel virtual network card and re-packages the traffic into new UDP protocol messages one by one, and the new UDP protocol messages are sent to the traffic output end through the first tunnel physical network card; at a flow output end, a second tunnel program receives the message intercepted by the UDP port, decapsulates the message and sends the message to a second tunnel virtual network card, so that the message is captured by a second flow mirror image program; and transferring the traffic of the second tunnel network card to the output network card through the second traffic mirroring program. According to the method, the traffic torsion capability under the complex network condition is provided, so that the traffic import end and the traffic output end can be at any position and do not depend on the virtualization technology used by the traffic import end and the traffic output end, an intermediate transmission network does not have any special requirement, and the performance of remote mirroring can be improved.
Owner:SAINING WANGAN

A data transmission method and apparatus thereof

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.
Owner:HENAN KUNLUN TECH CO LTD

Physical layer module and network module

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.
Owner:FARADAY TECH CORP

Intelligent communication front-end equipment control box

The utility model relates to the technical field of control boxes, in particular to an intelligent communication front-end equipment control box which comprises a first support and a second support, the side face of the first support is fixedly connected with an installation plate, the second support is fixedly provided with a bottom plate through bolts, a first spring is fixedly connected between the first support and the second support, and a second spring is fixedly connected between the first support and the second support. And a plurality of rubber columns are fixedly connected to the top surface of the bottom plate. The control box has the advantages that after the control box body is installed, vibration generated when equipment works can be transmitted to the first support, the damping effect can be achieved through cooperation of the first spring and the damper, vibration borne by the second support can be reduced, and meanwhile the damping effect can be achieved through cooperation of the second spring and the rubber column. The vibration transmitted from the second support to the control box body can be further reduced, through two times of damping, the control box can be prevented from generating large vibration, element damage caused by vibration of the control box is prevented, and the damping effect is better.
Owner:GUANGZHOU WEIZHENG METAL COMPONENTS CO LTD

Domain controller and movable platform

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.
Owner:SZ ZHUOYU TECH CO LTD

Halow serial converter and network system

The utility model relates to the technical field of communication, in particular to a Halow serial converter and a network system, which comprise a shell and an antenna, an electric control board is arranged inside the shell along the length direction, the electric control board is provided with a data conversion unit, and the data conversion unit comprises a DB9 plugging module, a conversion module and a Halow module; wherein the DB9 plug-in module is partially exposed out of the outer surface of the shell, the other part of the DB9 plug-in module is embedded in the shell, and the DB9 plug-in module is used for being connected with external equipment; and the Halow module is connected with the DB9 plugging module through the conversion module to realize bidirectional data transmission, so that the problem that an existing serial interface can only support Ethernet data transmission and cannot use a Halow network for data transmission is solved.
Owner:SHENZHEN BOZHEN TECH CO LTD

Computer network hub

The utility model relates to the field of computer network equipment, in particular to a computer network hub which comprises two equipment main bodies, two handles, two pulling mechanisms and two movable parts, and each movable part comprises an installation assembly, a driving assembly, a transmission assembly and a control assembly. The mounting assembly is detachably connected with the two equipment main bodies, the driving assembly is detachably connected with the mounting assembly, one end of the transmission assembly is detachably connected with the mounting assembly, the other end of the transmission assembly is detachably connected with the driving assembly, one end of the control assembly is detachably connected with the mounting assembly, and the other end of the control assembly is detachably connected with the driving assembly. Through the structural arrangement, the problems that the two equipment main bodies cannot be fixed by the arranged movable part during use, one of the equipment main bodies needs to be supported by a foreign object, and the use is inconvenient are solved.
Owner:SHANXI INST OF TECH

Container network packet capturing processing method, device and equipment and readable storage medium

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.
Owner:ALIBABA (CHINA) CO LTD

A five-way incoming line gigabit network module

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.
Owner:YUYAO SIMANTE NETWORK COMM EQUIP