CN102810904A - Method for recovering equipment state after low voltage rise, main control signal board and system - Google Patents
Method for recovering equipment state after low voltage rise, main control signal board and system Download PDFInfo
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- CN102810904A CN102810904A CN2011101497130A CN201110149713A CN102810904A CN 102810904 A CN102810904 A CN 102810904A CN 2011101497130 A CN2011101497130 A CN 2011101497130A CN 201110149713 A CN201110149713 A CN 201110149713A CN 102810904 A CN102810904 A CN 102810904A
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- 230000005540 biological transmission Effects 0.000 claims description 2
- 238000011084 recovery Methods 0.000 claims description 2
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L41/00—Arrangements for maintenance, administration or management of data switching networks, e.g. of packet switching networks
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Abstract
The invention relates to a method for recovering equipment state after low voltage rise, a main control signal board and a system. The method comprises the following steps: when a main control single board receives an under-voltage alarm signal reported by a power supply single board, detecting the operating state of a service single board; when abnormal operation of the service single board is detected and the under-voltage alarm signal reported by the power supply single board is received, sending a reset instruction to the service single board, so that the service single board returns to the normal state. On the basis that communication equipment has the characteristics of external enabling reset, with the low-voltage detecting result of the power supply single board, when the machine room power supply is abnormal, the power supply single board reports the under-voltage alarm signal, the main control single board detects the operating state of the service single board; when the service single board operates abnormally, and the power supply single board reports the under-voltage alarm disappearance signal, the main control single board sends the reset instruction to the service single board, so that the service single board in the abnormal state returns to the normal state, thereby protecting the normal operation of the equipment-carried service to the maximum extent and reducing the investment cost of a user.
Description
Technical field
The present invention relates to the optical communication technique field, relate in particular to method, master control veneer and system that a kind of low-voltage rising back equipment state is recovered.
Background technology
At present, in the communication system machine room, guarantee the stable operation of equipment; Machine room generally all has power protection, is equipped with the UPS storage battery usually as the protection power supply, so that after working power goes wrong; Power-supply system can switch to the accumulator protecting power supply at once, guarantees the normal power supply of equipment.But because storage battery can't provide constant power output for a long time, along with the continuity of power-on time, its output voltage will reduce gradually, thereby the normal operation of the equipment of giving brings hidden danger.
Switch back the scene of normal mains-supplied after by storage battery power supply to equipment; Because the veneer scheme more complicated of communication equipment; Need to use miscellaneous chip; The operating voltage range of each chip is all inconsistent, therefore on veneer, need use multiple power transfer module, so that the voltage of the required amplitude of various chips to be provided.For dissimilar power transfer module, the scope of its input voltage has nothing in common with each other, even for the different electrical power modular converter of same type; Its input voltage range also has certain difference; Therefore have specific voltage range, make the power transfer module output that has on the same equipment turn-off, the power transfer module output that has is normal; Behind the city power recovery, equipment can't be from the recovering state of mistake.
Existing processing method comparatively completely is that power of computer room is replaced by the power-supply system with output detection and turn-off function; The output threshold values that power supply is set can guarantee the magnitude of voltage of equipment operate as normal for certain, after output voltage is lower than this value, turn-offs output by power-supply system; Make device powers down; After power-supply system was switched back mains-supplied, equipment re-powered and the initialization running, thereby had guaranteed the true(-)running of equipment state.
But above-mentioned processing method need be changed the power of computer room system, has increased user cost.In addition owing to need take into account the machine room all devices, so the method need be provided with the threshold voltage of insurance, this just make part can tolerate than threshold values more the equipment of low-voltage under corresponding external voltage, can cut off the power supply equally, bring considerable influence to business.
Summary of the invention
Equipment state was recovered after main purpose of the present invention was to provide a kind of low-voltage to raise method, master control veneer and system are intended to reduce the customer investment cost, improve equipment bearer service performance.
In order to achieve the above object, the present invention proposes the method that a kind of low-voltage rising back equipment state is recovered, and comprising:
When master control veneer receives the undervoltage alarm signal that power source single-board reports, detect the running status of service board;
When detecting the service board operation exception, and when receiving the undervoltage alarm disappearance of signal that power source single-board reports, send reset instruction, make said service board recover normal condition to said service board.
Preferably, the running status of said master control veneer detection service board comprises: whether receive the abnormal state signal that said service board reports, if then detect the service board operation exception; Otherwise it is normal to detect the service board operation.
Preferably, also comprise:
When said master control veneer receives the undervoltage alarm signal that power source single-board reports, in nonvolatile storage, write the undervoltage alarm sign.
Preferably, also comprise:
When said master control veneer powers on operation, judge whether there is the undervoltage alarm sign in the said nonvolatile storage, if exist, then carry out the step of the running status that detects service board.
Preferably, said to service board transmission reset instruction, the step that makes said service board recover normal condition also comprises afterwards:
Undervoltage alarm disappearance of signal according to said power source single-board reports is removed the undervoltage alarm sign in the said non-volatile register.
The present invention also proposes the master control veneer that a kind of low-voltage rising back equipment state is recovered, and comprising:
Receive detection module, when being used to receive the undervoltage alarm signal that power source single-board reports, detect the running status of service board;
Control module is used for when detecting the service board operation exception, and when receiving the undervoltage alarm disappearance of signal that power source single-board reports, sends reset instruction to said service board, makes said service board recover normal condition.
Preferably, the running status of said reception detection module detection service board comprises: whether receive the abnormal state signal that said service board reports, if then detect the service board operation exception; Otherwise it is normal to detect the service board operation.
Preferably, said reception detection module also is used for when receiving the undervoltage alarm signal that power source single-board reports, and in nonvolatile storage, writes the undervoltage alarm sign.
Preferably, said reception detection module also is used for when said master control veneer powers on operation, judges whether there is the undervoltage alarm sign in the said nonvolatile storage, if exist, then detects the running status of service board.
Preferably, also comprise: remove module, the undervoltage alarm disappearance of signal that is used for reporting according to said power source single-board is removed the undervoltage alarm sign of said non-volatile register.
The present invention also proposes the system that a kind of low-voltage rising back equipment state is recovered, and comprising:
Power source single-board is used for to service board input power supply, and when detecting voltage and be lower than preset threshold voltage, reports the undervoltage alarm signal to master control veneer; Recover just often when detecting voltage, report the undervoltage alarm disappearance of signal to master control veneer;
Service board is used to receive the power supply that power source single-board is imported, and when the running status that detects self is unusual, to said master control veneer uploaded state abnormal signal; When receiving the reset instruction that said master control veneer sends, reinitialize operation, recover normal condition;
Said master control veneer when being used to receive the undervoltage alarm signal that said power source single-board reports, detects the running status of said service board; When detecting said service board operation exception, and when receiving the undervoltage alarm disappearance of signal that said power source single-board reports, send reset instruction, make said service board recover normal condition to said service board.
Preferably, said master control veneer also is used for when receiving the undervoltage alarm signal that power source single-board reports, and in nonvolatile storage, writes the undervoltage alarm sign; And when receiving the undervoltage alarm disappearance of signal that said power source single-board reports, remove the undervoltage alarm sign in the said non-volatile register.
Preferably, when said master control veneer also is used to power on operation, judge whether there is the undervoltage alarm sign in the said nonvolatile storage,, then detect the running status of service board if exist.
Equipment state was recovered after a kind of low-voltage that the present invention proposes raise method, master control veneer and system; Possess the characteristics that the outside enables to reset according to communication equipment; Low-voltage testing result with power source single-board; When power of computer room was unusual, power source single-board reported the undervoltage alarm signal, and master control veneer detects the running status of service board; When the service board operation exception; When power source single-board reports the undervoltage alarm disappearance of signal; Master control veneer sends reset instruction to service board; Make the service board of abnormal state recover normal condition, thereby protected the equipment loaded service normally to move to greatest extent, and reduced user's cost of investment.
Description of drawings
Fig. 1 is the method one embodiment schematic flow sheet that equipment state was recovered after low-voltage of the present invention raise;
Fig. 2 is another embodiment schematic flow sheet of method that equipment state was recovered after low-voltage of the present invention raise;
Fig. 3 is that the master control veneer one that equipment state was recovered after low-voltage of the present invention raise is implemented structural representation;
Fig. 4 is another enforcement structural representation of master control veneer that equipment state was recovered after low-voltage of the present invention raise;
Fig. 5 is that the system one that equipment state was recovered after low-voltage of the present invention raise implements structural representation.
In order to make technical scheme of the present invention clearer, clear, will combine accompanying drawing to do further to detail below.
Embodiment
The main thought of the embodiment of the invention is: on the power source single-board of equipment, only carry out the under-voltage detection of voltage, after detecting undervoltage alarm, give master control veneer with the undervoltage alarm signal reporting; Come the running status of checkout equipment service board by master control veneer; If find the service board operation exception, then after undervoltage alarm disappears, issue reset command automatically; Make unusual service board reinitialize, recover normal condition.
As shown in Figure 1, one embodiment of the invention proposes the method that a kind of low-voltage rising back equipment state is recovered, and comprising:
When step S101, master control veneer receive the undervoltage alarm signal that power source single-board reports, detect the running status of service board;
Because communication equipment all is equipped with its own power source veneer to the sensitivity of voltage, realize surge protection, overload protection etc., can on power source single-board, realize under-voltage and overvoltage protection.The present embodiment method adopts a kind of protected mode of single-plate grade, does not need to cut off the power supply with other service boards for some service board that in fact can not influence equipment.
Particularly, on the power source single-board of equipment, carry out the under-voltage detection of voltage, after power source single-board powered on, power source single-board detected input voltage in real time, and testing result is transferred to master control veneer through internal signal wire.When power source single-board detects voltage and is lower than predefined threshold voltage, then export the undervoltage alarm signal to master control veneer.After master control veneer is received the undervoltage alarm signal that power source single-board reports, detect the running status of service board.
In the service board side; After service board powered on, in running, service board detected the running status of self in real time; When detecting running status when unusual; Detecting the own service chip such as service board, to have a configuration loss, chip status unusual etc., then to master control veneer uploaded state abnormal signal, as the alarm indication.
If master control veneer receives the abnormal state signal that service board reports, then show to detect the service board operation exception; Otherwise it is normal to detect the service board operation.
Step S102 when detecting the service board operation exception, and when receiving the undervoltage alarm disappearance of signal that power source single-board reports, sends reset instruction to service board, makes service board recover normal condition.
When power source single-board detects voltage and returns to normal voltage from being lower than predefined threshold voltage, then export the undervoltage alarm disappearance of signal to master control veneer.In the master control veneer normal course of operation, when receiving the undervoltage alarm disappearance of signal that power source single-board reports, send reset instruction, after unusual service board is received reset instruction, carry out initialization operation again, recover normal condition to unusual service board.
The embodiment of the invention possesses the characteristics that the outside enables to reset according to communication equipment, and with the low-voltage testing result of power source single-board, when power of computer room was unusual, power source single-board reported the undervoltage alarm signal, and master control veneer detects the running status of service board; When the service board operation exception; When power source single-board reported the undervoltage alarm disappearance of signal, master control veneer sent reset instruction to service board, made the service board of abnormal state recover normal condition; Thereby protected user's professional normal operation to greatest extent, and reduced user's cost of investment.
As shown in Figure 2, another embodiment of the present invention proposes the method that a kind of low-voltage rising back equipment state is recovered, and comprising:
When step S201, master control veneer receive the undervoltage alarm signal that power source single-board reports, in nonvolatile storage, write the undervoltage alarm sign, and detect the running status of service board;
Step S202 when detecting the service board operation exception, and when receiving the undervoltage alarm disappearance of signal that power source single-board reports, sends reset instruction to service board, makes service board recover normal condition.
Step S203 removes the undervoltage alarm sign in the non-volatile register according to the undervoltage alarm disappearance of signal that power source single-board reports.
The difference of present embodiment and the foregoing description is, when master control veneer receives the undervoltage alarm signal that power source single-board reports, in nonvolatile storage, writes the undervoltage alarm sign; Simultaneously, when master control veneer powered on operation, master control veneer will judge whether there is the undervoltage alarm sign in the nonvolatile storage; If exist; Then detect the running status of service board, when detecting the service board operation exception, and when receiving the undervoltage alarm disappearance of signal that power source single-board reports; Send reset instruction to service board, make service board recover normal condition.Simultaneously, the undervoltage alarm disappearance of signal that reports according to power source single-board is removed the undervoltage alarm sign in the non-volatile register.
In addition, when master control veneer re-powers operation, carried out after a series of judgement before and the reset processing, and judged that current power source single-board does not have the undervoltage alarm signal reporting,, then it has been removed if not there is the undervoltage alarm sign in the volatile memory.
Present embodiment possesses the characteristics that the outside enables to reset according to communication equipment, and with the low-voltage testing result of power source single-board, when power of computer room was unusual, power source single-board reported the undervoltage alarm signal, and master control veneer detects the running status of service board; When the service board operation exception, when power source single-board reported the undervoltage alarm disappearance of signal, master control veneer sent reset instruction to service board, made the service board of abnormal state recover normal condition; Simultaneously,, make the master control veneer testing result of monitoring power supply veneer in real time, better control the running status of service board simultaneously through non-volatile register-stored record undervoltage alarm sign.Thereby protected the equipment loaded service normally to move to greatest extent, promptly improved equipment bearer service performance, and reduced user's cost of investment.
As shown in Figure 3, one embodiment of the invention proposes the master control veneer that a kind of low-voltage rising back equipment state is recovered, and comprising: receive detection module 301 and control module 302, wherein:
Because communication equipment all is equipped with its own power source veneer to the sensitivity of voltage, realize surge protection, overload protection etc., can on power source single-board, realize under-voltage and overvoltage protection.Present embodiment adopts a kind of protected mode of single-plate grade, does not need to cut off the power supply with other service boards for some service board that in fact can not influence equipment.
Particularly, on the power source single-board of equipment, carry out the under-voltage detection of voltage, after power source single-board powered on, power source single-board detected input voltage in real time, and testing result is transferred to master control veneer through internal signal wire.When power source single-board detects voltage and is lower than predefined threshold voltage, then export the undervoltage alarm signal to master control veneer.After the reception detection module 301 of master control veneer is received the undervoltage alarm signal that power source single-board reports, detect the running status of service board.
In the service board side; After service board powered on, in running, service board detected the running status of self in real time; When detecting running status when unusual; Detecting the own service chip such as service board, to have a configuration loss, chip status unusual etc., then to master control veneer uploaded state abnormal signal, as the alarm indication.
If master control veneer receives the abnormal state signal that service board reports, then show to detect the service board operation exception; Otherwise it is normal to detect the service board operation.
When power source single-board detects voltage and returns to normal voltage from being lower than predefined threshold voltage, then export the undervoltage alarm disappearance of signal to master control veneer.In the master control veneer normal course of operation; When control module 302 receives the undervoltage alarm disappearance of signal that power source single-board reports, send reset instruction to unusual service board, after unusual service board is received reset instruction; Again carry out initialization operation, recover normal condition.
As shown in Figure 4, another embodiment of the present invention proposes the master control veneer that a kind of low-voltage rising back equipment state is recovered, and comprising: receive detection module 401, control module 402 and remove module 403, wherein:
Receive detection module 401, when being used to receive the undervoltage alarm signal that power source single-board reports, in nonvolatile storage, writing the undervoltage alarm sign, and detect the running status of service board;
Remove module 403, the undervoltage alarm disappearance of signal that is used for reporting according to power source single-board is removed the undervoltage alarm sign of non-volatile register.
Further, receive detection module 401 and also be used for when master control veneer powers on operation, judge whether there is the undervoltage alarm sign in the nonvolatile storage,, then detect the running status of service board if exist.
The difference of present embodiment and the foregoing description is, when the reception detection module 401 of master control veneer receives the undervoltage alarm signal that power source single-board reports, in nonvolatile storage, writes the undervoltage alarm sign; Simultaneously, when master control veneer powers on operation, receive detection module 401 and will judge whether there is the undervoltage alarm sign in the nonvolatile storage; If exist; Then detect the running status of service board, when detecting the service board operation exception, and when receiving the undervoltage alarm disappearance of signal that power source single-board reports; Control module 402 is sent reset instruction to service board, makes service board recover normal condition.
Simultaneously, the undervoltage alarm disappearance of signal that is reported according to power source single-board by removing module 403 is removed the undervoltage alarm sign in the non-volatile register.
As shown in Figure 5, the present invention also proposes the system that a kind of low-voltage rising back equipment state is recovered, and comprising: power source single-board 501, service board 502 and master control veneer 503, wherein:
Power source single-board 501 is used for to service board 502 input power supplys, and when detecting voltage and be lower than preset threshold voltage, reports the undervoltage alarm signal to master control veneer 503; Recover just often when detecting voltage, report the undervoltage alarm disappearance of signal to master control veneer 503;
Further, master control veneer 503 also is used for when receiving the undervoltage alarm signal that power source single-board 501 reports, and in nonvolatile storage, writes the undervoltage alarm sign; And the sign of the undervoltage alarm in the non-volatile register of undervoltage alarm signal removal that reports according to power source single-board 501.
Further, when master control veneer 503 also is used to power on operation, judge whether there is the undervoltage alarm sign in the nonvolatile storage, if exist, then detect the running status of service board 502.
Equipment state was recovered after embodiment of the invention low-voltage raise method, master control veneer and system; Possess the characteristics that the outside enables to reset according to communication equipment; Low-voltage testing result with power source single-board; When power of computer room was unusual, power source single-board reported the undervoltage alarm signal, and master control veneer detects the running status of service board; When the service board operation exception, when power source single-board reported the undervoltage alarm disappearance of signal, master control veneer sent reset instruction to service board, made the service board of abnormal state recover normal condition.Therefore, the present invention only needs power source single-board can carry out the low-voltage detection, and provides the indication of voltage status, and remainder can be accomplished by the software control master control veneer, and the scrap build cost is low, and the upgrading of function does not have influence to the equipment loaded service; When power of computer room is unusual, only affected service board is handled, thereby protected the equipment loaded service normally to move to greatest extent, and reduced user's cost of investment in addition.
The above is merely the preferred embodiments of the present invention; Be not so limit claim of the present invention; Every equivalent structure or flow process conversion that utilizes specification of the present invention and accompanying drawing content to be done; Or directly or indirectly be used in other relevant technical field, all in like manner be included in the scope of patent protection of the present invention.
Claims (13)
1. the method that equipment state was recovered after a low-voltage raise is characterized in that, comprising:
When master control veneer receives the undervoltage alarm signal that power source single-board reports, detect the running status of service board;
When detecting the service board operation exception, and when receiving the undervoltage alarm disappearance of signal that power source single-board reports, send reset instruction, make said service board recover normal condition to said service board.
2. method according to claim 1 is characterized in that, the running status that said master control veneer detects service board comprises: whether receive the abnormal state signal that said service board reports, if then detect the service board operation exception; Otherwise it is normal to detect the service board operation.
3. method according to claim 1 is characterized in that, also comprises:
When said master control veneer receives the undervoltage alarm signal that power source single-board reports, in nonvolatile storage, write the undervoltage alarm sign.
4. method according to claim 3 is characterized in that, also comprises:
When said master control veneer powers on operation, judge whether there is the undervoltage alarm sign in the said nonvolatile storage, if exist, then carry out the step of the running status that detects service board.
5. according to claim 3 or 4 described methods, it is characterized in that said to service board transmission reset instruction, the step that makes said service board recover normal condition also comprises afterwards:
Undervoltage alarm disappearance of signal according to said power source single-board reports is removed the undervoltage alarm sign in the said non-volatile register.
6. the master control veneer that equipment state was recovered after a low-voltage raise is characterized in that, comprising:
Receive detection module, when being used to receive the undervoltage alarm signal that power source single-board reports, detect the running status of service board;
Control module is used for when detecting the service board operation exception, and when receiving the undervoltage alarm disappearance of signal that power source single-board reports, sends reset instruction to said service board, makes said service board recover normal condition.
7. master control veneer according to claim 6 is characterized in that, the running status that said reception detection module detects service board comprises: whether receive the abnormal state signal that said service board reports, if then detect the service board operation exception; Otherwise it is normal to detect the service board operation.
8. master control veneer according to claim 6 is characterized in that, said reception detection module also is used for when receiving the undervoltage alarm signal that power source single-board reports, and in nonvolatile storage, writes the undervoltage alarm sign.
9. master control veneer according to claim 8; It is characterized in that said reception detection module also is used for when said master control veneer powers on operation, judge whether there is the undervoltage alarm sign in the said nonvolatile storage; If exist, then detect the running status of service board.
10. according to Claim 8 or 9 described master control veneers, it is characterized in that, also comprise: remove module, the undervoltage alarm disappearance of signal that is used for reporting according to said power source single-board is removed the undervoltage alarm sign of said non-volatile register.
The system of back equipment state recovery is characterized in that 11. a low-voltage raises, and comprising:
Power source single-board is used for to service board input power supply, and when detecting voltage and be lower than preset threshold voltage, reports the undervoltage alarm signal to master control veneer; Recover just often when detecting voltage, report the undervoltage alarm disappearance of signal to master control veneer;
Service board is used to receive the power supply that power source single-board is imported, and when the running status that detects self is unusual, to said master control veneer uploaded state abnormal signal; When receiving the reset instruction that said master control veneer sends, reinitialize operation, recover normal condition;
Said master control veneer when being used to receive the undervoltage alarm signal that said power source single-board reports, detects the running status of said service board; When detecting said service board operation exception, and when receiving the undervoltage alarm disappearance of signal that said power source single-board reports, send reset instruction, make said service board recover normal condition to said service board.
12. system according to claim 11 is characterized in that, said master control veneer also is used for when receiving the undervoltage alarm signal that power source single-board reports, and in nonvolatile storage, writes the undervoltage alarm sign; And when receiving the undervoltage alarm disappearance of signal that said power source single-board reports, remove the undervoltage alarm sign in the said non-volatile register.
13. system according to claim 12 is characterized in that, when said master control veneer also is used to power on operation, judges whether there is the undervoltage alarm sign in the said nonvolatile storage, if exist, then detects the running status of service board.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110149713.0A CN102810904B (en) | 2011-06-03 | 2011-06-03 | Method, master control veneer and system that after low-voltage raises, equipment state is recovered |
| PCT/CN2012/072557 WO2012163137A1 (en) | 2011-06-03 | 2012-03-19 | Method, main control single board and system for device status recovery after increase in low voltage |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110149713.0A CN102810904B (en) | 2011-06-03 | 2011-06-03 | Method, master control veneer and system that after low-voltage raises, equipment state is recovered |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102810904A true CN102810904A (en) | 2012-12-05 |
| CN102810904B CN102810904B (en) | 2016-01-20 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201110149713.0A Expired - Fee Related CN102810904B (en) | 2011-06-03 | 2011-06-03 | Method, master control veneer and system that after low-voltage raises, equipment state is recovered |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN102810904B (en) |
| WO (1) | WO2012163137A1 (en) |
Cited By (4)
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| CN105786632A (en) * | 2014-12-25 | 2016-07-20 | 中兴通讯股份有限公司 | Power failure protection method, device and system |
| CN105827009A (en) * | 2014-12-31 | 2016-08-03 | 中兴通讯股份有限公司 | Method and device for removing power failure alarm information |
| CN107317297A (en) * | 2017-06-09 | 2017-11-03 | 青岛海信电器股份有限公司 | The self-resetting method and terminal device of equipment |
| CN109428384A (en) * | 2017-08-25 | 2019-03-05 | 上海华为技术有限公司 | A kind of backup power supply system of AC power supply device, circuit board and standby method for electrically |
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| CN101860442A (en) * | 2010-06-03 | 2010-10-13 | 中兴通讯股份有限公司 | Exchanger, power supply device and method for realizing power-down remote-end alarm |
| CN101867221A (en) * | 2010-06-28 | 2010-10-20 | 中兴通讯股份有限公司 | Single board and method for power monitoring in board |
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| CN105786632A (en) * | 2014-12-25 | 2016-07-20 | 中兴通讯股份有限公司 | Power failure protection method, device and system |
| EP3240233A4 (en) * | 2014-12-25 | 2018-01-24 | ZTE Corporation | Power fail safeguard method, device and system thereof |
| CN105786632B (en) * | 2014-12-25 | 2020-06-09 | 中兴通讯股份有限公司 | Power failure protection method, device and system |
| CN105827009A (en) * | 2014-12-31 | 2016-08-03 | 中兴通讯股份有限公司 | Method and device for removing power failure alarm information |
| CN105827009B (en) * | 2014-12-31 | 2020-01-21 | 中兴通讯股份有限公司 | Method and device for clearing power failure alarm information |
| CN107317297A (en) * | 2017-06-09 | 2017-11-03 | 青岛海信电器股份有限公司 | The self-resetting method and terminal device of equipment |
| CN107317297B (en) * | 2017-06-09 | 2020-03-13 | 青岛海信电器股份有限公司 | Self-resetting method of equipment and terminal equipment |
| CN109428384A (en) * | 2017-08-25 | 2019-03-05 | 上海华为技术有限公司 | A kind of backup power supply system of AC power supply device, circuit board and standby method for electrically |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2012163137A1 (en) | 2012-12-06 |
| CN102810904B (en) | 2016-01-20 |
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