CN101068276B - Method and system for lowering energy consumption - Google Patents
Method and system for lowering energy consumption Download PDFInfo
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- CN101068276B CN101068276B CN2007101230015A CN200710123001A CN101068276B CN 101068276 B CN101068276 B CN 101068276B CN 2007101230015 A CN2007101230015 A CN 2007101230015A CN 200710123001 A CN200710123001 A CN 200710123001A CN 101068276 B CN101068276 B CN 101068276B
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D30/00—Reducing energy consumption in communication networks
- Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks
Abstract
A method for decreasing energy consumption includes obtaining relevant configuration parameter from system master control unit by user circuit management unit when device is started up and dynamically controlling operation mode of user circuit by user circuit management unit according to relevant configuration parameter as per preset configuration requirement when cyclic-scanning of user circuit is executed.
Description
Technical field
The present invention relates to communication field, more specifically, relate to a kind of method and system that is used for reducing equipment energy consumption through the mode of operation of dynamic control subscriber line circuit.
Background technology
Be accompanied by the development of telecommunication service, the coverage of communication network and user port capacity enlarge day by day, and the communication equipment quantity in the network also is growing, and especially operation has equipment such as a large amount of switches, Access Network, IAD in fixed communication network.The operation of keeping these fixed network equipment needs the electric power energy of labor.Along with the concern to self operation effect of the rise of energy prices and operator, the energy consumption problem of fixed network communication equipment more and more comes into one's own.
For the fixed network communication equipment, the thinking that cuts down the consumption of energy mainly concentrates at present: hardware aspect adopts the novel electric elements of high integration, low energy consumption, reduces the average energy consumption on each user port; The software aspect attempts equipment is carried out the functional configuration that some help saving the energy, for example carries out decreased voltage operation or the like for permanent port of a specified duration.
The limitation of hardware plan has: effect depends on device; Operator need buy new ply-yarn drill; Existing device possibly can't carry out hardware modification, operator even need whole upgrading existing device could implement to transform.The limitation of software scenario has: existing device may not possess the configuration feature that can save the energy, perhaps limited, the DeGrain of function coverage rate.
Summary of the invention
Technical problem to be solved by this invention has provided the method and system that a kind of mode of operation that is used for through dynamic control subscriber line circuit cuts down the consumption of energy; Thereby, overcome the needs increase investment upgrading hardware, the equipment that exist in the prior art and do not possess configuration feature or limited problem and the defective of function.
One aspect of the present invention provides a kind of method that cuts down the consumption of energy through the mode of operation of dynamic control subscriber line circuit; It can may further comprise the steps: step 1, when change takes place for device start or relevant configured parameter, and the subscriber line circuit administrative unit is obtained relevant configured parameter from the system master unit; And step 2, when carrying out the intermittent scanning of subscriber line circuit, the subscriber line circuit administrative unit is come the dynamically mode of operation of control subscriber line circuit according to the predetermined configurations requirement according to relevant configured parameter.
Relevant configured parameter comprises at least: subscriber line circuit gets into the Rule of judgment of energy-saving mode and the action type that is used for subscriber line circuit is arranged to energy-saving mode, and wherein, energy-saving mode comprises low-power consumption mode and prohibited mode.
Comprise following processing in the step 2: when carrying out the intermittent scanning of subscriber line circuit, the subscriber line circuit administrative unit is obtained the current line status of subscriber line circuit; And according to the state recording of subscriber line circuit, the subscriber line circuit administrative unit is obtained the work at present pattern and the history line line state of subscriber line circuit, and the work at present pattern is carried out energy-saving mode handle.
Energy-saving mode is handled and is comprised: when current line status is the free time, if the work at present pattern is an energy-saving mode, make subscriber line circuit continue to keep energy-saving mode; And if the work at present pattern is a normal mode of operation; The history line line state that then contrasts subscriber line circuit obtains the continuous idle duration of subscriber line circuit; And whether the free time length of judges circuit reach the mode of operation that requires the process user circuit of relevant configured parameter, wherein, if free time length reaches the requirement of relevant configured parameter; Then, subscriber line circuit is arranged to energy-saving mode according to action type; And if free time length do not reach the requirement of relevant configured parameter, then make subscriber line circuit continue to keep normal mode of operation.
In addition, energy-saving mode is handled and also to be comprised: when current line status when busy, if the work at present pattern is a normal mode of operation, then make subscriber line circuit continue to keep normal mode of operation; And if the work at present pattern is energy-saving mode, then subscriber line circuit is arranged to normal mode of operation.
Also comprise following processing in the step 2: after energy-saving mode is handled, more current line status of subscriber line circuit administrative unit and history line line state; If current line status is different with the history line line state, then comparative result is reported the system master unit; And the subscriber line circuit administrative unit refreshes the state recording of subscriber line circuit, setting scanning timing next time, and this scanning of end user circuit.
This method that cuts down the consumption of energy is further comprising the steps of: step 3, when not carrying out the intermittent scanning of subscriber line circuit, the subscriber line circuit administrative unit is switched the work at present pattern of subscriber line circuit according to the instruction of main control unit.
Another aspect of the present invention also provides a kind of system that cuts down the consumption of energy, and it comprises: parameter acquiring unit is used for when device start or relevant configured parameter generation change, obtaining relevant configured parameter from the system master unit; And dynamic control unit, be used for when carrying out the intermittent scanning of subscriber line circuit, according to the predetermined configurations requirement, come the dynamically mode of operation of control subscriber line circuit according to relevant configured parameter.
Relevant configured parameter comprises at least: subscriber line circuit gets into the Rule of judgment of energy-saving mode and subscriber line circuit is arranged to the action type of energy-saving mode, and wherein, energy-saving mode comprises low-power consumption mode and prohibited mode.
Dynamic control unit comprises: the line status acquisition module is used for when carrying out the intermittent scanning of subscriber line circuit, obtaining the current line status of subscriber line circuit; And the energy-saving mode processing module, be used for state recording according to subscriber line circuit, obtain the work at present pattern and the history line line state of subscriber line circuit, and the work at present pattern is carried out energy-saving mode handle.
The energy-saving mode processing module is used for when current line status is the free time, if the work at present pattern is an energy-saving mode, makes subscriber line circuit continue to keep energy-saving mode; And if the work at present pattern is a normal mode of operation; The history line line state that then contrasts subscriber line circuit obtains the continuous idle duration of subscriber line circuit; And whether the free time length of judges circuit reach the mode of operation that requires the process user circuit of relevant configured parameter, wherein, if free time length reaches the requirement of relevant configured parameter; Then, subscriber line circuit is arranged to energy-saving mode according to action type; And if free time length do not reach the requirement of relevant configured parameter, then make subscriber line circuit continue to keep normal mode of operation.
The energy-saving mode processing module also be used for when current line status when busy, if the work at present pattern is a normal mode of operation, then make subscriber line circuit continue to keep normal mode of operation; And if the work at present pattern is energy-saving mode, then subscriber line circuit is arranged to normal mode of operation.
Dynamic control unit also comprises: comparison module is used for after energy-saving mode is handled more current line status and history line line state; Reporting module is used for working as current line status and history line line state not simultaneously, and comparative result is reported the system master unit; And refresh module, be used to refresh the state recording of subscriber line circuit, scanning next time is set regularly, and this scanning of end user circuit.
This system that cuts down the consumption of energy also comprises: the instruction switch unit, be used for when not carrying out the intermittent scanning of subscriber line circuit, and switch the work at present pattern of subscriber line circuit according to the instruction of main control unit.
Thereby, adopt the present invention, compared with prior art, be issued to the effect that reduces the fixed communication device energy consumption in the prerequisite that need not to increase the hardware input, improve the benefit of operator.
Other features and advantages of the present invention will be set forth in specification subsequently, and, partly from specification, become obvious, perhaps understand through embodiment of the present invention.The object of the invention can be realized through the structure that in the specification of being write, claims and accompanying drawing, is particularly pointed out and obtained with other advantages.
Description of drawings
Accompanying drawing is used to provide further understanding of the present invention, and constitutes the part of specification, is used to explain the present invention with embodiments of the invention, is not construed as limiting the invention.In the accompanying drawings:
Fig. 1 is the model sketch map of the fixed communication apparatus that the dynamic mode of operation of controlling subscriber line circuit cuts down the consumption of energy among the present invention;
Fig. 2 is the flow chart according to the method that cuts down the consumption of energy of the present invention;
Fig. 3 is the workflow diagram that the dynamic control subscriber line circuit mode of operation according to the embodiment of the invention cuts down the consumption of energy; And
Fig. 4 is the system block diagram that cuts down the consumption of energy according to of the present invention.
Embodiment
Below in conjunction with accompanying drawing the preferred embodiments of the present invention are described, should be appreciated that preferred embodiment described herein only is used for explanation and explains the present invention, and be not used in qualification the present invention.
Fig. 1 is the model sketch map of the fixed communication apparatus that the dynamic mode of operation of controlling subscriber line circuit cuts down the consumption of energy among the present invention.As shown in Figure 1, hardware module partly comprises:
The system master unit; Be responsible for the Core Feature of whole fixed communication apparatus; For example, intercommunication, configuration of devices and oam of the management of system data information and resource, professional control and service protocol or the like, the system master unit is being managed the specific functional units of multiple subordinate usually; The subscriber line circuit administrative unit is wherein a kind of, and quantity can have 1 or a plurality of;
The subscriber line circuit administrative unit, signals collecting and the circuit of being responsible for the subscriber line circuit of having jurisdiction over drive for example set out machine testing, ring, pulse telephone number receiving or the like; Wherein, the subscriber line circuit administrative unit is carried out intermittent scanning to subscriber line circuit, accomplishes the status checkout of subscriber line circuit and the extraction of line signal; And the reporting system main control unit carries out Business Processing; Meanwhile, the instruction of subscriber line circuit administrative unit compliance system main control unit, control designated user circuit output specification signal or execution required movement.The subscriber line circuit administrative unit is being managed 1 or a plurality of subscriber line circuits; And
Subscriber line circuit; Be responsible for the physical electrical interface that provides terminal equipment required; Through external cable terminal equipment is inserted fixed communication apparatus; Wherein, subscriber line circuit is controlled by the subscriber line circuit administrative unit comprehensively, by the latter accomplish the enabling of subscriber line circuit, forbid, operation such as parameter configuration, status poll, output driving.
Fig. 2 is the flow chart according to the method that cuts down the consumption of energy of the present invention.As shown in Figure 2, this method may further comprise the steps:
Step S202, when change takes place in device start or relevant configured parameter, the subscriber line circuit administrative unit is obtained relevant configured parameter from the system master unit; And
Step S204, when carrying out the intermittent scanning of subscriber line circuit, the subscriber line circuit administrative unit is come the dynamically mode of operation of control subscriber line circuit according to the predetermined configurations requirement according to relevant configured parameter.
Wherein, relevant configured parameter comprises at least: subscriber line circuit gets into the Rule of judgment of energy-saving mode and the action type that is used for subscriber line circuit is arranged to energy-saving mode, and wherein, energy-saving mode comprises low-power consumption mode and prohibited mode.
Comprise following processing among the step S204: when carrying out the intermittent scanning of subscriber line circuit, the subscriber line circuit administrative unit is obtained the current line status of subscriber line circuit; And according to the state recording of subscriber line circuit, the subscriber line circuit administrative unit is obtained the work at present pattern and the history line line state of subscriber line circuit, and the work at present pattern is carried out energy-saving mode handle.
Energy-saving mode is handled and is comprised: when current line status is the free time, if the work at present pattern is an energy-saving mode, make subscriber line circuit continue to keep energy-saving mode; And if the work at present pattern is a normal mode of operation; The history line line state that then contrasts subscriber line circuit obtains the continuous idle duration of subscriber line circuit; And whether the free time length of judges circuit reach the mode of operation that requires the process user circuit of relevant configured parameter, wherein, if free time length reaches the requirement of relevant configured parameter; Then, subscriber line circuit is arranged to energy-saving mode according to action type; And if free time length do not reach the requirement of relevant configured parameter, then make subscriber line circuit continue to keep normal mode of operation.
In addition, energy-saving mode is handled and also to be comprised: when current line status when busy, if the work at present pattern is a normal mode of operation, then make subscriber line circuit continue to keep normal mode of operation; And if the work at present pattern is energy-saving mode, then subscriber line circuit is arranged to normal mode of operation.
Also comprise following processing among the step S204: after energy-saving mode is handled, more current line status of subscriber line circuit administrative unit and history line line state; If current line status is different with the history line line state, then comparative result is reported the system master unit; And the subscriber line circuit administrative unit refreshes the state recording of subscriber line circuit, setting scanning timing next time, and this scanning of end user circuit.
This method that cuts down the consumption of energy is further comprising the steps of: step S206, when not carrying out the intermittent scanning of subscriber line circuit, the subscriber line circuit administrative unit is switched the work at present pattern of subscriber line circuit according to the instruction of main control unit.
Fig. 3 is the workflow diagram that the dynamic control subscriber line circuit mode of operation according to the embodiment of the invention cuts down the consumption of energy.As shown in Figure 3, the processing below specifically having carried out.
At first, the subscriber line circuit administrative unit is obtained the relevant configuration parameter of dynamic control subscriber line circuit mode of operation function from the system master unit.This process is carried out when change takes place at device start, relevant configured parameter usually.Configuration parameter can include but not limited to following details:
Subscriber line circuit gets into the Rule of judgment of energy-saving mode, for example, how long in subscriber line circuit continue to be idle condition, just can this subscriber line circuit be arranged to energy-saving mode; And
The action type that subscriber line circuit becomes energy-saving mode is set, wherein, is arranged to low-power consumption mode or is arranged to prohibited mode.
Next, the subscriber line circuit administrative unit, is accomplished voluntarily and is dynamically controlled subscriber line circuit mode of operation function to reduce the subscriber line circuit energy consumption when carrying out the work of subscriber line circuit intermittent scanning according to the specified configuration requirement.
Wherein, if the line scanning time arrives, the subscriber line circuit administrative unit is obtained the current line status of this circuit from corresponding subscriber line circuit, and from the subscriber line circuit state recording of this locality, obtains the work at present pattern and the history line line state of this circuit.
Energy-saving mode is handled as follows:
If a current line status is idle (user's on-hook): if this circuit work at present need not what is done in energy-saving mode; If this circuit working is at normal mode; Then whether the judges circuit can get into energy-saving mode: inquiry obtains the duration of this circuit continuous idle from the subscriber line circuit state recording; If reached the requirement of configuration parameter, just this subscriber line circuit is arranged to energy-saving mode according to the assigned operation in the configuration parameter; If also do not reach the requirement of configuration parameter, what then need not to do; And
If two current line statuss are busy (user's off-hook): if this circuit working, need not what is done at normal mode; If this circuit working in energy-saving mode, then is arranged to normal mode with this subscriber line circuit.
State refresh is handled as follows: after the processing stage accomplishing aforesaid energy-saving mode; The current line status and the history line line state of this subscriber line circuit of subscriber line circuit administrative unit contrast; Report main control unit if difference just changes line status, refresh the subscriber line circuit state recording then, be provided with and finish this secondary circuit scan task after the scanning timing next time.
Then, when not having the execution cycle scan task, the instruction that designated user circuit working pattern is set is accepted and carried out to the subscriber line circuit administrative unit from the system master unit.The system master unit notifies the subscriber line circuit administrative unit that the designated user circuit is switched to battery saving mode or normal mode of operation according to the needs of operation flow where necessary.
Fig. 4 is the block diagram according to the system that cuts down the consumption of energy 400 of the present invention.As shown in Figure 4, this system comprises: parameter acquiring unit 402 is used for when device start or relevant configured parameter generation change, obtaining relevant configured parameter from the system master unit; And dynamic control unit 404, be used for when carrying out the intermittent scanning of subscriber line circuit, according to the predetermined configurations requirement, the relevant configured parameter that is obtained according to parameter acquiring unit 402 comes the dynamically mode of operation of control subscriber line circuit.
Relevant configured parameter comprises at least: subscriber line circuit gets into the Rule of judgment of energy-saving mode and subscriber line circuit is arranged to the action type of energy-saving mode, and wherein, energy-saving mode comprises low-power consumption mode and prohibited mode.
Dynamic control unit 404 comprises: the line status acquisition module is used for when carrying out the intermittent scanning of subscriber line circuit, obtaining the current line status of subscriber line circuit; And the energy-saving mode processing module, be used for state recording according to subscriber line circuit, obtain the work at present pattern and the history line line state of subscriber line circuit, and the work at present pattern is carried out energy-saving mode handle.
The energy-saving mode processing module is used for when current line status is the free time, if the work at present pattern is an energy-saving mode, makes subscriber line circuit continue to keep energy-saving mode; And if the work at present pattern is a normal mode of operation; Then whether reach the mode of operation that requires the process user circuit of relevant configured parameter according to the free time length of subscriber line circuit; Wherein, If free time length reaches the requirement of relevant configured parameter,, subscriber line circuit is arranged to energy-saving mode then according to action type; And if free time length do not reach the requirement of relevant configured parameter, then make subscriber line circuit continue to keep normal mode of operation.
The energy-saving mode processing module also be used for when current line status when busy, if the work at present pattern is a normal mode of operation, then make subscriber line circuit continue to keep normal mode of operation; And if the work at present pattern is energy-saving mode, then subscriber line circuit is arranged to normal mode of operation.
Dynamic control unit 404 also comprises: comparison module is used for after energy-saving mode is handled more current line status and history line line state; Reporting module is used for working as current line status and history line line state not simultaneously, and comparative result is reported the system master unit; And refresh module, be used to refresh the state recording of subscriber line circuit, scanning next time is set regularly, and this scanning of end user circuit.
This system that cuts down the consumption of energy 400 also comprises: the instruction switch unit, be used for when not carrying out the intermittent scanning of subscriber line circuit, and switch the work at present pattern of subscriber line circuit according to the instruction of main control unit.
In sum, adopt the present invention, be issued to the effect that reduces the fixed communication device energy consumption, improve the benefit of operator in the prerequisite that need not to increase the hardware input.
More than be merely the preferred embodiments of the present invention, be not limited to the present invention, for a person skilled in the art, the present invention can have various changes and variation.All within spirit of the present invention and principle, any modification of being done, be equal to replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (12)
1. a method that cuts down the consumption of energy is used for cutting down the consumption of energy through the mode of operation of dynamic control subscriber line circuit, it is characterized in that, may further comprise the steps:
Step 1, when change takes place in device start or relevant configured parameter, the subscriber line circuit administrative unit is obtained said relevant configured parameter from the system master unit; And
Step 2, when carrying out the intermittent scanning of subscriber line circuit, said subscriber line circuit administrative unit is come the dynamically mode of operation of the said subscriber line circuit of control according to the predetermined configurations requirement according to said relevant configured parameter;
Wherein, comprise following processing in the said step 2:
When carrying out the intermittent scanning of said subscriber line circuit, said subscriber line circuit administrative unit is obtained the current line status of said subscriber line circuit; And
According to the state recording of said subscriber line circuit, said subscriber line circuit administrative unit is obtained the work at present pattern and the history line line state of said subscriber line circuit, and said work at present pattern is carried out energy-saving mode handle.
2. the method that cuts down the consumption of energy according to claim 1 is characterized in that, said relevant configured parameter comprises at least: subscriber line circuit gets into the Rule of judgment of energy-saving mode and the action type that is used for subscriber line circuit is arranged to energy-saving mode,
Wherein, said energy-saving mode comprises low-power consumption mode and prohibited mode.
3. the method that cuts down the consumption of energy according to claim 1 is characterized in that, said energy-saving mode is handled and comprised:
When said current line status is the free time,
If said work at present pattern is said energy-saving mode, make said subscriber line circuit continue to keep said energy-saving mode; And
If said work at present pattern is a normal mode of operation; The said history line line state that then contrasts said subscriber line circuit obtains the continuous idle duration of said subscriber line circuit; And the mode of operation of said subscriber line circuit is handled in the requirement that whether reaches said relevant configured parameter of the free time length of judging said subscriber line circuit
Wherein, if said free time length reaches the requirement of said relevant configured parameter,, said subscriber line circuit is arranged to said energy-saving mode then according to action type; And
If said free time length does not reach the requirement of said relevant configured parameter, then make said subscriber line circuit continue to keep said normal mode of operation.
4. the method that cuts down the consumption of energy according to claim 1 is characterized in that, said energy-saving mode is handled and also comprised:
When said current line status when busy,
If said work at present pattern is a normal mode of operation, then make said subscriber line circuit continue to keep said normal mode of operation; And
If said work at present pattern is said energy-saving mode, then said subscriber line circuit is arranged to said normal mode of operation.
5. according to claim 3 or the 4 described methods that cut down the consumption of energy, it is characterized in that, also comprise following processing in the said step 2:
After said energy-saving mode is handled, more said current line status of said subscriber line circuit administrative unit and said history line line state;
If said current line status is different with said history line line state, then comparative result is reported said system master unit; And
Said subscriber line circuit administrative unit refreshes the state recording of said subscriber line circuit, scanning next time is set regularly, and finishes this scanning of said subscriber line circuit.
6. the method that cuts down the consumption of energy according to claim 1 is characterized in that, and is further comprising the steps of:
Step 3, when not carrying out the intermittent scanning of said subscriber line circuit, said subscriber line circuit administrative unit is switched the work at present pattern of said subscriber line circuit according to the instruction of said system master unit.
7. a system that cuts down the consumption of energy is used for cutting down the consumption of energy through the mode of operation of dynamic control subscriber line circuit, it is characterized in that, comprising:
Parameter acquiring unit is used for when device start or relevant configured parameter generation change, obtaining said relevant configured parameter from the system master unit; And
Dynamic control unit is used for when carrying out the intermittent scanning of subscriber line circuit, according to the predetermined configurations requirement, comes the dynamically mode of operation of the said subscriber line circuit of control according to said relevant configured parameter;
Wherein, said dynamic control unit comprises:
The line status acquisition module is used for when carrying out the intermittent scanning of said subscriber line circuit, obtaining the current line status of said subscriber line circuit; And
The energy-saving mode processing module is used for the state recording according to said subscriber line circuit, obtains the work at present pattern and the history line line state of said subscriber line circuit, and said work at present pattern is carried out energy-saving mode handle.
8. the system that cuts down the consumption of energy according to claim 7 is characterized in that, said relevant configured parameter comprises at least: subscriber line circuit gets into the Rule of judgment of energy-saving mode and subscriber line circuit is arranged to the action type of energy-saving mode,
Wherein, said energy-saving mode comprises low-power consumption mode and prohibited mode.
9. the system that cuts down the consumption of energy according to claim 7 is characterized in that, said energy-saving mode processing module is used for when said current line status is the free time,
If said work at present pattern is said energy-saving mode, make said subscriber line circuit continue to keep said energy-saving mode; And
If said work at present pattern is a normal mode of operation; The said history line line state that then contrasts said subscriber line circuit obtains the continuous idle duration of said subscriber line circuit; And the mode of operation of said subscriber line circuit is handled in the requirement that whether reaches said relevant configured parameter of the free time length of judging said subscriber line circuit
Wherein, if said free time length reaches the requirement of said relevant configured parameter,, said subscriber line circuit is arranged to said energy-saving mode then according to action type; And
If said free time length does not reach the requirement of said relevant configured parameter, then make said subscriber line circuit continue to keep said normal mode of operation.
10. the system that cuts down the consumption of energy according to claim 7 is characterized in that, said energy-saving mode processing module also be used for when said current line status when busy,
If said work at present pattern is a normal mode of operation, then make said subscriber line circuit continue to keep said normal mode of operation; And
If said work at present pattern is said energy-saving mode, then said subscriber line circuit is arranged to said normal mode of operation.
11., it is characterized in that said dynamic control unit also comprises according to claim 9 or the 10 described systems that cut down the consumption of energy:
Comparison module is used for after said energy-saving mode is handled more said current line status and said history line line state;
Reporting module is used for working as said current line status and said history line line state not simultaneously, and comparative result is reported said system master unit; And
Refresh module is used to refresh the state recording of said subscriber line circuit, scanning next time is set regularly, and finishes this scanning of said subscriber line circuit.
12. the system that cuts down the consumption of energy according to claim 7 is characterized in that, also comprises:
The instruction switch unit is used for when not carrying out the intermittent scanning of said subscriber line circuit, switches the work at present pattern of said subscriber line circuit according to the instruction of said system master unit.
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| CN2007101230015A CN101068276B (en) | 2007-06-25 | 2007-06-25 | Method and system for lowering energy consumption |
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| CN2007101230015A CN101068276B (en) | 2007-06-25 | 2007-06-25 | Method and system for lowering energy consumption |
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| CN101068276B true CN101068276B (en) | 2012-12-19 |
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| CN101651558B (en) * | 2008-08-15 | 2012-06-06 | 中兴通讯股份有限公司 | Power saving management method and system |
| JP5813525B2 (en) * | 2012-02-14 | 2015-11-17 | アズビル株式会社 | Apparatus and method for suppressing power consumption |
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| CN1530797A (en) * | 2003-03-13 | 2004-09-22 | �Ҵ���˾ | Information processor and controlling circuit |
| US6947776B2 (en) * | 2000-10-13 | 2005-09-20 | Robert Bosch Gmbh | Method for operating a communications network in a power-saving mode |
| CN1710876A (en) * | 2004-06-18 | 2005-12-21 | 阿尔卑斯电气株式会社 | Communication terminal device |
| CN1825815A (en) * | 2005-02-25 | 2006-08-30 | 乐金电子(中国)研究开发中心有限公司 | Wireless lan module electricity saving method |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| US6947776B2 (en) * | 2000-10-13 | 2005-09-20 | Robert Bosch Gmbh | Method for operating a communications network in a power-saving mode |
| CN1530797A (en) * | 2003-03-13 | 2004-09-22 | �Ҵ���˾ | Information processor and controlling circuit |
| CN1710876A (en) * | 2004-06-18 | 2005-12-21 | 阿尔卑斯电气株式会社 | Communication terminal device |
| CN1825815A (en) * | 2005-02-25 | 2006-08-30 | 乐金电子(中国)研究开发中心有限公司 | Wireless lan module electricity saving method |
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