CN104735047A - Intelligent mixed mode network physical link emergency switching system - Google Patents
Intelligent mixed mode network physical link emergency switching system Download PDFInfo
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- CN104735047A CN104735047A CN201410720930.4A CN201410720930A CN104735047A CN 104735047 A CN104735047 A CN 104735047A CN 201410720930 A CN201410720930 A CN 201410720930A CN 104735047 A CN104735047 A CN 104735047A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L49/00—Packet switching elements
- H04L49/10—Packet switching elements characterised by the switching fabric construction
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L43/00—Arrangements for monitoring or testing data switching networks
- H04L43/08—Monitoring or testing based on specific metrics, e.g. QoS, energy consumption or environmental parameters
- H04L43/0805—Monitoring or testing based on specific metrics, e.g. QoS, energy consumption or environmental parameters by checking availability
- H04L43/0811—Monitoring or testing based on specific metrics, e.g. QoS, energy consumption or environmental parameters by checking availability by checking connectivity
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Abstract
The invention discloses an intelligent mixed mode network physical link emergency switching system. The intelligent mixed mode network physical link emergency switching system comprises a switching system, and the following parts including a first server, a second server, first protected equipment, first protected equipment alternate equipment, a second protected equipment, a first client side and a second client side which are all connected with the switching system respectively; the switching system comprises a first sub-switching system, a second sub-switching system and a third sub-switching system; the switching system provided by the intelligent mixed mode network physical link emergency switching system is used for protecting equipment when malfunction happens, and a protected equipment bypass is enabled to bypass the node to protect a network from being influenced. A power down bypass and functions such as heartbeat-free signal bypass setting and the like are provided; or the switching system can be switched to the alternate equipment when the malfunction occurs. The intelligent mixed mode network physical link emergency switching system is mainly applied to fluid control equipment protection and firewall equipment protection. The intelligent network physical link emergency switching system can supply equipment protection for route equipment from different manufacturers and of different types. The intelligent mixed mode network physical link emergency switching system provides a flexible network equipment emergency protection scheme for users to help a network platform to achieve smooth and real-time transmission of data on large flows, and therefore the usability, the safety, the stability and the reliability of data are improved.
Description
Technical field
The present invention relates to network security and switching field, particularly a kind of hybrid-mode network physical link is met an urgent need intelligent switching system.
Background technology
Along with all trades and professions are to the increase of network broadband demand, 1000M network communicates with 1000M gradually in network market expansion, and the fire compartment wall that each major company provides, router, server product are also progressively replaced by 1000M link.Therefore, along with the expansion of the network bandwidth and the increase of customer volume, network security and network stabilization are more and more subject to people's attention.
Network Security Device is all generally be applied between two or more network, such as between Inside and outside network, application program in Network Security Device can be analyzed the network package by him, exist to have judged whether to threaten, according to certain routing rule, package is forwarded again after processing, if and there is fault in this Network Security Device, after such as power-off or deadlock, it is also just out of touch each other that connects all network segments on this equipment, if require that each network also needs to be in connected state each other this time, alternate device is adopted to use active-standby switch function, network is switched on alternate device, maintain the active and standby normal work of network, use alternate device to carry out substituting use, enable network recover normal within a short period of time.This often needs webmaster personnel to be immediately on the scene to carry out manual operation, be delayed failure recovery time, and the execute-in-place needing the personnel possessing professional skill just can complete, if use the equipment of the active and standby function of band, high-end product is then only had just to possess, and the equipment price with this function is high, for some medium and small clients, be be expected untouchable, and the product of different manufacturers can not be compatible, traditional routing device must use the equipment of same producer, and need one-time investment to buy main equipment and alternate device, initial investment is very large; Existing Bypass can only provide emergency protection to two-layer network device, just helpless to three-layer network appliance, only has high-end product just to possess active and standby function.
Therefore need a kind of energy to protect the safety of whole network and greatly improve the network switch of network stabilization and reliability.
Summary of the invention
In view of this, technical problem to be solved by this invention is to provide a kind of hybrid-mode network physical link and meets an urgent need intelligent switching system.
The object of the invention is to be achieved through the following technical solutions:
A kind of hybrid-mode network physical link provided by the invention is met an urgent need intelligent switching system, comprises first server, second server, the first protected equipment, the first protected device backup equipment, the second protected equipment, the first client, the second client, switched system;
Described server, for the treatment of with storage networking handover information;
Described switched system, for net control physical link handoff procedure;
Described switched system comprises the first sub-switched system, the second sub-switched system and the 3rd sub-switched system;
Described first server is connected with the input of the first sub-switched system; The input of the output of described first sub-switched system equipment protected with first and the first protected device backup equipment is respectively connected; Described first protected equipment is connected with the input of the second sub-switched system with the output of the first protected device backup equipment; The output of described second sub-switched system and the first client's side link;
Described first protected equipment is connected with the heartbeat control module of described first sub-switched system by heartbeat control line;
Described second server is connected with the input of the 3rd sub-switched system; Output protected equipment and second client's side link with second respectively of described 3rd sub-switched system;
Described second protected equipment is connected with the heartbeat control module of described 3rd sub-switched system by heartbeat control line.
Further, described first sub-switched system, the second sub-switched system and the 3rd sub-switched system are network physical link switching control system, and described network physical link switching control system comprises SFP module, frequency-variable module, electronic matrix switch, sub-processor, memory, mode selection switch, mode of operation selector switch and Artificial Control selector switch;
Described SFP module, for realizing the physical connection of network link;
Described frequency-variable module, for by high-frequency signal frequency reducing and by low frequency signal raising frequency;
Described electronic matrix switch, for realizing electrical communication or opening operation by the SFP module of each port;
Described sub-processor, for receiving the control command issued of central authorities' process, and the on off state of manual control switch, then according to the on off state of this control command or manual control switch, controls the action of electronic matrix switch;
Described memory, for storing current running parameter;
Described Artificial Control selector switch, for the input signal of chooser processor, if this switch is conducting state, uses central processing unit as the input signal of sub-processor, if be closed condition, then uses manual control switch as the input signal of sub-processor;
Described mode of operation selector switch, for selecting the mode of operation of network link;
Described mode selection switch, for controlling the conducting state between each port SFP module manually;
Described SFP module is connected with frequency-variable module; Described frequency-variable module is connected with electronic matrix switch; Described sub-processor produces for controlling the data link switching command with the monitored equipment of SFP model calling for receiving electronic matrix switch, memory, mode selection switch, mode of operation selector switch, Artificial Control selector switch and external control order and carrying out analyzing and processing.
Further, described data link switching command is stored in memory.
Further, described SFP module comprises a SFP module, the 2nd SFP module, Three S's FP module and the 4th SFP module; Described frequency-variable module comprises the first frequency-variable module, the second frequency-variable module, the 3rd frequency-variable module and the 4th frequency-variable module;
A described SFP module is connected to form first with the first frequency-variable module and links branch road;
Described 2nd SFP module is connected to form second with the second frequency-variable module and links branch road;
Described Three S's FP module is connected to form the 3rd with the 3rd frequency-variable module and links branch road;
Described 4th SFP module is connected to form the 4th with the 4th frequency-variable module and links branch road;
Described first link branch road, the second link branch road, the 3rd link branch road are connected with electronic matrix switch respectively with the 4th link branch road.
Further, described switch also comprises heartbeat signal detection module, and described heartbeat signal detection module comprises heartbeat signal receiver module, heartbeat signal demodulation module, heartbeat signal modulation module and heartbeat signal mirror output mouth;
Described heartbeat signal receiver module, for obtaining monitored equipment heartbeat signal;
Described heartbeat signal demodulation module, carries out demodulation for the heartbeat signal that will receive;
Described heartbeat signal modulation module, for modulating heartbeat signal;
Described heartbeat signal mirror output mouth, for being forwarded to another heartbeat signal detection module by heartbeat signal;
Described heartbeat signal receiver module one end is connected with monitored equipment; The described heartbeat signal receiver module other end is connected with heartbeat signal demodulation module; Described heartbeat signal demodulation module is connected with heartbeat signal modulation module and heartbeat signal mirror output mouth; Output signal is input in central processing unit and processes by described heartbeat signal demodulation module; Described heartbeat signal mirror output mouth is connected with the input of another heartbeat signal detection module.
Further, heartbeat signal indicator light is also comprised;
Described heartbeat signal indicator light, for showing the operating state of heartbeat signal;
Described heartbeat signal indicator light is connected with heartbeat signal demodulation module.
Further, described heartbeat signal receiver module comprises main heartbeat signal receiver module and standby heartbeat signal receiver module; Described main heartbeat signal receiver module is for obtaining main monitored equipment heartbeat signal; Described standby heartbeat signal receiver module is for obtaining standby monitored equipment heartbeat signal.
Beneficial effect of the present invention is: employing network physical link provided by the invention intelligent switching system of meeting an urgent need is a kind of passage control appliance; can be used for proterctive equipment when breaking down (power interruptions, hardware fault, software crash, disconnecting etc.), this node is walked around in protected equipment bypass and ensures that network is unaffected.There is power down bypass, also can be set to the functions such as Lungs from Non-Heart-Beating signal bypass.Be mainly used in fluidic device protection, firewall box protection etc.This network physical link intelligent switching system of meeting an urgent need can provide main-apparatus protection to the routing device of different manufacturers, different model.This equipment can be client and provides network equipment emergency protection scheme flexibly, helps the network platform to realize massive dataflow smoothness, real-time Transmission, improves availability of data, fail safe, stability and reliability.
Achieve various configurations way to manage, by order line, supporting management software, button is arranged, switch switches fast, remote short messages, remote phone set-up mode arrange various operating state and manage; When separate unit network physical link meet an urgent need the port number of intelligent switching system can not meet field demand time, multiple stage switched system can be carried out cascade, accept the unified of protected equipment and control, make port number no longer limited; Equipment does not need customization, plug and play, uses standard SFP interface and protected equipment connection, single mode, multimode, long distance, short distance, light mouth, electric mouth are selected by user oneself scene, install general module, and each group upper single mode, multimode or electric mouth can be used in combination; Network physical link intelligent switching system of meeting an urgent need can, by the signal controlling of multiple devices, make each group interface work in different patterns; Can SMS module be installed additional, when triggering switching action, note can inform webmaster personnel, immediately fixing a breakdown; Active-standby mode can provide same protection to the equipment of different manufacturers, different model.
Heartbeat signal provided by the invention refers to the heartbeat signal between serial ports, by obtaining the heartbeat signal needing modulation to the decoding of heartbeat signal, by being again modulated into the heartbeat signal before decoding to decoding heartbeat signal, the heartbeat signal in transmitting is made to maintain original heartbeat signal intensity, compensate for the decay of heartbeat signal in transmitting procedure, reaching heartbeat signal can repeatedly relay transmission effect, maintains the signal strength signal intensity of heartbeat signal in cascade and stacking process.
Accompanying drawing explanation
In order to make the object, technical solutions and advantages of the present invention clearly, below in conjunction with accompanying drawing, the present invention is described in further detail, wherein:
The mixed mode switched system schematic diagram that Fig. 1 provides for the embodiment of the present invention;
The network physical link switching control module that Fig. 2 provides for the embodiment of the present invention;
The network physical link switching heartbeat signal detection module theory diagram that Fig. 3 provides for the embodiment of the present invention;
The symmetrical method for handover control flow chart of the network physical link that Fig. 4 provides for the embodiment of the present invention (network physical link meet an urgent need intelligent switching system sub-controller module link detection procedure figure);
The symmetrical switching controls pattern diagram that Fig. 5 embodiment of the present invention provides;
The network physical link switching heartbeat signal detection module theory diagram that Fig. 6 provides for the embodiment of the present invention;
The multilink that Fig. 7 provides for the embodiment of the present invention switches connection diagram.
Embodiment
Hereinafter with reference to accompanying drawing, the preferred embodiments of the present invention are described in detail.Should be appreciated that preferred embodiment only in order to the present invention is described, instead of in order to limit the scope of the invention.
As shown in the figure, a kind of hybrid-mode network physical link provided by the invention is met an urgent need intelligent switching system, comprises first server, second server, the first protected equipment, the first protected device backup equipment, the second protected equipment, the first client, the second client, switched system;
Described server, for the treatment of with storage networking handover information;
Described switched system, for net control physical link handoff procedure;
Described switched system comprises the first sub-switched system, the second sub-switched system and the 3rd sub-switched system;
Described first server is connected with the input of the first sub-switched system; The input of the output of described first sub-switched system equipment protected with first and the first protected device backup equipment is respectively connected; Described first protected equipment is connected with the input of the second sub-switched system with the output of the first protected device backup equipment; The output of described second sub-switched system and the first client's side link;
Described first protected equipment is connected with the heartbeat control module of described first sub-switched system by heartbeat control line;
Described second server is connected with the input of the 3rd sub-switched system; Output protected equipment and second client's side link with second respectively of described 3rd sub-switched system;
Described second protected equipment is connected with the heartbeat control module of described 3rd sub-switched system by heartbeat control line.
Described first sub-switched system, the second sub-switched system and the 3rd sub-switched system are network physical link switching control system, and described network physical link switching control system comprises SFP module, frequency-variable module, electronic matrix switch, sub-processor, memory, mode selection switch, mode of operation selector switch and Artificial Control selector switch;
Described SFP module, for realizing the physical connection of network link;
Described frequency-variable module, for by high-frequency signal frequency reducing and by low frequency signal raising frequency;
Described electronic matrix switch, for realizing electrical communication or opening operation by the SFP module of each port;
Described sub-processor, for receiving the control command issued of central authorities' process, and the on off state of manual control switch, then according to the on off state of this control command or manual control switch, controls the action of electronic matrix switch;
Described memory, for storing current running parameter;
Described Artificial Control selector switch, for the input signal of chooser processor, if this switch is conducting state, uses central processing unit as the input signal of sub-processor, if be closed condition, then uses manual control switch as the input signal of sub-processor;
Described mode of operation selector switch, for selecting the mode of operation of network link;
Described mode selection switch, for controlling the conducting state between each port SFP module manually;
Described SFP module is connected with frequency-variable module; Described frequency-variable module is connected with electronic matrix switch; Described sub-processor produces for controlling the data link switching command with the monitored equipment of SFP model calling for receiving electronic matrix switch, memory, mode selection switch, mode of operation selector switch, Artificial Control selector switch and external control order and carrying out analyzing and processing.
Described data link switching command is stored in memory.
Described SFP module comprises a SFP module, the 2nd SFP module, Three S's FP module and the 4th SFP module; Described frequency-variable module comprises the first frequency-variable module, the second frequency-variable module, the 3rd frequency-variable module and the 4th frequency-variable module;
A described SFP module is connected to form first with the first frequency-variable module and links branch road;
Described 2nd SFP module is connected to form second with the second frequency-variable module and links branch road;
Described Three S's FP module is connected to form the 3rd with the 3rd frequency-variable module and links branch road;
Described 4th SFP module is connected to form the 4th with the 4th frequency-variable module and links branch road;
Described first link branch road, the second link branch road, the 3rd link branch road are connected with electronic matrix switch respectively with the 4th link branch road.
Described switch also comprises heartbeat signal detection module, and described heartbeat signal detection module comprises heartbeat signal receiver module, heartbeat signal demodulation module, heartbeat signal modulation module and heartbeat signal mirror output mouth;
Described heartbeat signal receiver module, for obtaining monitored equipment heartbeat signal;
Described heartbeat signal demodulation module, carries out demodulation for the heartbeat signal that will receive;
Described heartbeat signal modulation module, for modulating heartbeat signal;
Described heartbeat signal mirror output mouth, for being forwarded to another heartbeat signal detection module by heartbeat signal;
Described heartbeat signal receiver module one end is connected with monitored equipment; The described heartbeat signal receiver module other end is connected with heartbeat signal demodulation module; Described heartbeat signal demodulation module is connected with heartbeat signal modulation module and heartbeat signal mirror output mouth; Output signal is input in central processing unit and processes by described heartbeat signal demodulation module; Described heartbeat signal mirror output mouth is connected with the input of another heartbeat signal detection module.
Also comprise heartbeat signal indicator light;
Described heartbeat signal indicator light, for showing the operating state of heartbeat signal;
Described heartbeat signal indicator light is connected with heartbeat signal demodulation module.
Described heartbeat signal receiver module comprises main heartbeat signal receiver module and standby heartbeat signal receiver module; Described main heartbeat signal receiver module is for obtaining main monitored equipment heartbeat signal; Described standby heartbeat signal receiver module is for obtaining standby monitored equipment heartbeat signal.
The symmetrical method for handover control flow chart of network physical link that Fig. 4 provides for the embodiment of the present invention; The symmetrical switching controls pattern diagram that Fig. 5 provides for the embodiment of the present invention; Described handover module is provided with the first port, the second port, the 3rd port and the 4th port; Described first port, the second port, the 3rd port and the 4th port are connected to form the network physical link of normally/bypass mode in such a way:
Using the first port as first input end; For connecting outside input link;
Using the second port as the first output; For connecting the input of external equipment;
Using the 3rd port as the second input; For connecting the output of external equipment;
Using the 3rd port as the second output; For connecting outside output link;
First port is connected with the second port; 3rd port is connected with the 4th port;
Described network physical link realizes symmetrical switching controls according to following steps:
S1: obtain running parameter from memory;
S2: judge that network physical link is in active/standby pattern or normal/bypass mode according to running parameter, if active/standby pattern, then enter step S3; If normal/bypass mode, then enter step S4;
S3: the blocking-up action performing the corresponding connectivity port of active/standby pattern according to current detected port links state;
S4: switch normally/blocking-up the action of the corresponding connectivity port of bypass according to current detected port links state.
The blocking-up action of the corresponding connectivity port of the active/standby pattern in described step S3, carry out according to following steps:
S31: if holotype state and the first Port interrupts, then connect the link of the second port and initiatively disconnect;
S32: if holotype state and the second Port interrupts, then connect the link of the first port and initiatively disconnect;
S33: if standby mode state and the first Port interrupts, then the link of the 3rd port is connected and initiatively disconnect;
S34: if standby mode state and the 3rd Port interrupts, then the link of the first port is connected and initiatively disconnect.
In described step S4 normal/bypass mode link port translation, carry out according to following steps:
S41: if normal mode state and the first Port interrupts, then connect the link of the second port and initiatively disconnect;
S42: if normal mode state and the second Port interrupts, then connect the link of the first port and initiatively disconnect;
S43: if normal mode state and the 3rd Port interrupts, then connect the link of the 4th port and initiatively disconnect;
S44: if normal mode state and the 4th Port interrupts, then connect the link of the 3rd port and initiatively disconnect;
S45: if bypass mode state and the first Port interrupts, then connect the link of the 4th port and initiatively disconnect;
S46: if bypass mode state and the 4th Port interrupts, then connect the link of the first port and initiatively disconnect.
The control command issued of described central authorities process, comprises mode of operation order and operating state order; Described mode of operation order comprises again active/standby pattern and normal/bypass mode; Described operating state order comprises the working state control order under active/standby pattern and the working state control order under normal/bypass mode, and the working state control order under active/standby pattern comprises: the order of holotype connection control and standby pattern connection control order; Working state control order under normally/bypass mode comprises: the order of normal link connection control and bypass link control command.
The memory of the present embodiment is the memory of power down not obliterated data.The break-make realizing each port according to control signal described in the present embodiment, refers to the break-make between two ports on same submodule.
As shown in Figure 7; the link that protected equipment is provided with more than three or three is connected with the sub-control module of three on same switch respectively; heartbeat signal is distributed in this background control module, by switched system simultaneously by three link switchings on the alternate device of protected equipment.
The link that protected equipment is provided with more than three or three can also connect from the stacking connection of sub-control module of three on different switchs or cascade respectively; heartbeat signal is distributed in corresponding sub-control module, under the control of heartbeat signal simultaneously by three link switchings on the alternate device of protected equipment.
The switched system that the present embodiment provides as cascade (with stacking) or can be cascaded (with stacking), and namely heartbeat cascade (with the stacking) output signal of other switched system can as the input of this switched system; Also can heartbeat signal be outputted on other switched system as cascade (with the stacking) output of this switched system; Also both can use simultaneously, namely while the input of this switched system as heartbeat cascade (with stacking) signal, as the output of heartbeat cascade (with stacking) signal, there is no the difference of principal and subordinate.
What finally illustrate is, above embodiment is only in order to illustrate technical scheme of the present invention and unrestricted, although by referring to the preferred embodiments of the present invention, invention has been described, but those of ordinary skill in the art is to be understood that, various change can be made to it in the form and details, and not depart from the spirit and scope that the present invention limits.
Claims (8)
1. hybrid-mode network physical link is met an urgent need an intelligent switching system, it is characterized in that: comprise first server, second server, the first protected equipment, the first protected device backup equipment, the second protected equipment, the first client, the second client and switch;
Described server, for the treatment of with storage networking handover information;
Described switch, for net control physical link handoff procedure;
Described switch comprises the first sub-handover module, the second sub-handover module and the 3rd sub-handover module;
Described first server is connected with the input of the first sub-handover module; The input of the output of described first sub-handover module equipment protected with first and the first protected device backup equipment is respectively connected; Described first protected equipment is connected with the input of the second sub-handover module with the output of the first protected device backup equipment; The output of described second sub-handover module and the first client's side link;
Described first protected equipment is connected with the heartbeat control module of described first sub-handover module by heartbeat control line;
Described second server is connected with the input of the 3rd sub-handover module; Output protected equipment and second client's side link with second respectively of described 3rd sub-handover module;
Described second protected equipment is connected with the heartbeat control module of described 3rd sub-handover module by heartbeat control line.
2. hybrid-mode network physical link according to claim 1 is met an urgent need intelligent switching system, it is characterized in that: described first sub-handover module, the second sub-handover module and the 3rd sub-handover module are network physical link switching control module, described network physical link switching control module comprises SFP module, frequency-variable module, electronic matrix switch, sub-processor, memory, mode selection switch, mode of operation selector switch and Artificial Control selector switch;
Described SFP module, for realizing the physical connection of network link;
Described frequency-variable module, for by high-frequency signal frequency reducing and by low frequency signal raising frequency;
Described electronic matrix switch, for realizing electrical communication or opening operation by the SFP module of each port;
Described sub-processor, for receiving the control command issued of central authorities' process, and the on off state of manual control switch, then according to the on off state of this control command or manual control switch, controls the action of electronic matrix switch;
Described memory, for storing current running parameter;
Described Artificial Control selector switch, for the input signal of chooser processor, if this switch is conducting state, uses central processing unit as the input signal of sub-processor, if be closed condition, then uses manual control switch as the input signal of sub-processor;
Described mode of operation selector switch, for selecting the mode of operation of network link;
Described mode selection switch, for controlling the conducting state between each port SFP module manually;
Described SFP module is connected with frequency-variable module; Described frequency-variable module is connected with electronic matrix switch; Described sub-processor produces for controlling the data link switching command with the monitored equipment of SFP model calling for receiving electronic matrix switch, memory, mode selection switch, mode of operation selector switch, Artificial Control selector switch and external control order and carrying out analyzing and processing.
3. hybrid-mode network physical link according to claim 1 is met an urgent need intelligent switching system, it is characterized in that: described data link switching command is stored in memory.
4. hybrid-mode network physical link according to claim 1 is met an urgent need intelligent switching system, it is characterized in that: described SFP module comprises a SFP module, the 2nd SFP module, Three S's FP module and the 4th SFP module; Described frequency-variable module comprises the first frequency-variable module, the second frequency-variable module, the 3rd frequency-variable module and the 4th frequency-variable module;
A described SFP module is connected to form first with the first frequency-variable module and links branch road;
Described 2nd SFP module is connected to form second with the second frequency-variable module and links branch road;
Described Three S's FP module is connected to form the 3rd with the 3rd frequency-variable module and links branch road;
Described 4th SFP module is connected to form the 4th with the 4th frequency-variable module and links branch road;
Described first link branch road, the second link branch road, the 3rd link branch road are connected with electronic matrix switch respectively with the 4th link branch road.
5. hybrid-mode network physical link according to claim 2 is met an urgent need intelligent switching system, it is characterized in that: described switch also comprises heartbeat signal detection module, described heartbeat signal detection module comprises heartbeat signal receiver module, heartbeat signal demodulation module, heartbeat signal modulation module and heartbeat signal mirror output mouth;
Described heartbeat signal receiver module, for obtaining monitored equipment heartbeat signal;
Described heartbeat signal demodulation module, carries out demodulation for the heartbeat signal that will receive;
Described heartbeat signal modulation module, for modulating heartbeat signal;
Described heartbeat signal mirror output mouth, for being forwarded to another heartbeat signal detection module by heartbeat signal;
Described heartbeat signal receiver module one end is connected with monitored equipment; The described heartbeat signal receiver module other end is connected with heartbeat signal demodulation module; Described heartbeat signal demodulation module is connected with heartbeat signal modulation module and heartbeat signal mirror output mouth; Output signal is input in central processing unit and processes by described heartbeat signal demodulation module; Described heartbeat signal mirror output mouth is connected with the input of another heartbeat signal detection module.
6. hybrid-mode network physical link according to claim 5 is met an urgent need intelligent switching system, it is characterized in that: also comprise heartbeat signal indicator light;
Described heartbeat signal indicator light, for showing the operating state of heartbeat signal;
Described heartbeat signal indicator light is connected with heartbeat signal demodulation module.
7. hybrid-mode network physical link according to claim 5 is met an urgent need intelligent switching system, it is characterized in that: described heartbeat signal receiver module comprises main heartbeat signal receiver module and standby heartbeat signal receiver module; Described main heartbeat signal receiver module is for obtaining main monitored equipment heartbeat signal; Described standby heartbeat signal receiver module is for obtaining standby monitored equipment heartbeat signal.
8. according to claim 5, it is characterized in that: described switch is at least two interconnective switched systems; Described switched system comprises the first switch, the second switch and N switch;
Described first switch, the second switch and N switch is each is provided with heartbeat signal detection module; Described first switch, the second switch adopt cascade or stack manner to be connected with N switch by heartbeat signal detection module.
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| CN112543125A (en) * | 2020-12-22 | 2021-03-23 | 宁波均联智行科技股份有限公司 | Serial communication system and link switching method applied to same |
| CN113300885A (en) * | 2021-05-21 | 2021-08-24 | 湖南兴天电子科技有限公司 | Network switching equipment and method |
| CN115486092A (en) * | 2020-05-08 | 2022-12-16 | 康普技术有限责任公司 | System and method for infrastructure configuration management |
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