CN101478464A - Digital subscriber line access method, apparatus and equipment - Google Patents
Digital subscriber line access method, apparatus and equipment Download PDFInfo
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- CN101478464A CN101478464A CNA200910105196XA CN200910105196A CN101478464A CN 101478464 A CN101478464 A CN 101478464A CN A200910105196X A CNA200910105196X A CN A200910105196XA CN 200910105196 A CN200910105196 A CN 200910105196A CN 101478464 A CN101478464 A CN 101478464A
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Abstract
The embodiment of the invention discloses a method for accessing a digital subscriber line, and a device and equipment thereof. The method comprises the following steps: acquiring the port status of a subscriber line; controlling the subscriber line ports for transferring the subscriber line ports in a use status and the subscriber line ports in an out-of-use status to different line cards according to the port status of the subscriber line; and cutting power of the line card on which the subscriber line ports are all in the out-of-service status. The technical scheme provided by the embodiment of the invention controls the subscriber line ports for transferring the subscriber line ports in a use status and the subscriber line ports in an out-of- service status to different line cards by acquiring the status information of the subscriber line ports, and cuts power of the line card on which the subscriber line ports are all in the out-of- service status, so as to reduce the power consumption for accessing the digital subscriber line.
Description
Technical field
The access technology field that the present invention relates to communicate by letter relates in particular to a kind of digital subscriber line access method, device and equipment.
Background technology
Digital Subscriber Line (DSL, Digital Subscriber Line) technology is a kind of high speed transmission technology of carrying out transfer of data by twisted pair telephone.
The DSL connecting system is by being positioned at central machine room (CO, Central Office) Digital Subscriber Line Access Multiplexer (DSLAM, Digital Subscriber Line Access Multiplexer) and client device (CPE, Customer Premise Equipment) form, as shown in Figure 1.DSLAM is the access node of DSL, mainly is made up of DSL subscriber's ply-yarn drill, control card and Splitter etc.; Client device comprises set-top box, and data terminal equipments such as computer are connected with local loop (Digital Subscriber Loop) by internal or external DSL modulator-demodulator (DSLModem), and function and the ply-yarn drill of DSL Modem are similar.
Telephone speech signal and DSL high-frequency digital signal all are to transmit by copper twisted pair.The effect of Splitter is that the telephone speech signal on the circuit is separated with the DSL high-frequency digital signal, and telephone speech signal arrives PSTN (PSTN) along Splitter, copper twisted pair, Splitter transmission path; The DSL high-frequency digital signal arrives broadband network (Broadband Network) along DSL Modem, Splitter, copper twisted pair, Splitter, the transmission of ply-yarn drill path.
Ply-yarn drill quantity is more in the DSLAM equipment, and its power consumption accounts for 80% of DSLAM equipment total power consumption, and the subscribers feeder port circuit quantity on the ply-yarn drill is more, 32-64 road normally, and its power consumption accounts for 80% of ply-yarn drill total power consumption.Subscribers feeder port circuit on the ply-yarn drill comprises digital signal processor (DSP, DigitalSignal Processor), AFE (analog front end) (AFE, Analog Front End) and line driver (LinerDriver), as shown in Figure 2.DSP will encode from the data message of broadband network, be transferred to AFE behind digital filtering; AFE converts digital signal to analog signal, carries out power amplification by Liner Driver then, is sent to the twisted-pair feeder local loop.Analog signal from the twisted-pair feeder local loop is transferred to AFE through Liner Driver; AFE carries out analog signal to convert digital data transmission to DSP after signal amplifies; DSP carries out digital signal to decode behind the digital filtering, after by dsl data link and network layer standard decoded data message being handled then, is sent to broadband network.
Comprise multichannel subscribers feeder port circuit on the ply-yarn drill, normally nest plates (as shown in Figure 2) such as shared DSP of 4 road or 8 road subscribers feeder ports and AFE.The power consumption of DSP and AFE nest plate is all used under two kinds of situations in use of 1 road subscribers feeder port and 4 road or 8 road subscribers feeder ports, does not almost have much variations.At present, the most of DSL of main force chip manufacturings commercial city provides the nest plate of this DSL of meeting standard, and this highly standardized design has hindered the enforcement that ply-yarn drill is reduced the power consumption measure.
Summary of the invention
The purpose of the embodiment of the invention is to provide a kind of digital subscriber line access method, device and equipment, to reduce the energy consumption that Digital Subscriber Line inserts.
The embodiment of the invention provides a kind of digital subscriber line access method, comprising: obtain the subscribers feeder port status; Move according to described subscribers feeder port status control subscribers feeder port, the subscribers feeder port that will be in user mode is moved on the different ply-yarn drills with the subscribers feeder port that is in non-working condition; The subscribers feeder port is the ply-yarn drill outage of non-working condition.
The embodiment of the invention also provides a kind of Digital Subscriber Line access control apparatus, comprising: acquisition module is used to obtain the subscribers feeder port status that ply-yarn drill obtains; The control transferring module, be used for moving according to the described subscribers feeder port status control subscribers feeder port that described acquisition module obtains, the subscribers feeder port that described migration will be in user mode is moved on the different ply-yarn drills with the subscribers feeder port that is in non-working condition; Power management module is used for according to subscribers feeder port migration results, the subscribers feeder port is the ply-yarn drill outage of non-working condition.
The embodiment of the invention also provides a kind of Digital Subscriber Line access device, comprising: ply-yarn drill is used to obtain the subscribers feeder port status; Control card is used for the described subscribers feeder port status that obtains according to described ply-yarn drill, and control subscribers feeder port moves; The subscribers feeder transferring module is used for carrying out the migration of subscribers feeder port under the control of described control card; Described control card is controlled the subscribers feeder port that described subscribers feeder transferring module will be in user mode and is moved on the different ply-yarn drills with the subscribers feeder port that is in non-working condition, and described control card is the ply-yarn drill outage of non-working condition to the subscribers feeder port.
The technical scheme that is provided by the invention described above embodiment as can be seen, the embodiment of the invention is moved with control subscribers feeder port by obtaining the user port state information, to be in the subscribers feeder port of user mode and the subscribers feeder port of non-working condition moves on the different ply-yarn drills, and the subscribers feeder port is the technological means of the ply-yarn drill outage of non-working condition, reduced the energy consumption that Digital Subscriber Line inserts.
Description of drawings
In order to be illustrated more clearly in the embodiment of the invention or technical scheme of the prior art, to do to introduce simply to the accompanying drawing of required use in embodiment or the description of the Prior Art below, apparently, accompanying drawing in describing below only is some embodiments of the present invention, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is the Digital Subscriber Line connecting system schematic diagram of prior art;
Fig. 2 is the ply-yarn drill subscribers feeder port circuit schematic diagram of prior art;
The digital subscriber line access method schematic flow sheet that Fig. 3 provides for the embodiment of the invention one;
The digital subscriber line access method schematic flow sheet that Fig. 4 provides for the embodiment of the invention two;
The subscribers feeder transferring module schematic diagram that Fig. 5 provides for the embodiment of the invention;
The crosspoint control schematic diagram that Fig. 6 provides for the embodiment of the invention;
The subscribers feeder port migration effect figure that Fig. 7 provides for the embodiment of the invention;
The Digital Subscriber Line access control apparatus structural representation that Fig. 8 provides for the embodiment of the invention three;
The structural representation of the Digital Subscriber Line access device that Fig. 9 provides for the embodiment of the invention four;
The structural representation of the Digital Subscriber Line access device that Figure 10 provides for the embodiment of the invention five;
The detection module schematic diagram that Figure 11 provides for the embodiment of the invention five.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the invention, the technical scheme in the embodiment of the invention is clearly and completely described, obviously, described embodiment only is the present invention's part embodiment, rather than whole embodiment.Based on the embodiment among the present invention, those of ordinary skills belong to the scope of protection of the invention not making the every other embodiment that is obtained under the creative work prerequisite.
Digital subscriber line cap on the ply-yarn drill can be divided into two classes, and these ports are random distribution on ply-yarn drill usually, as long as a subscribers feeder port that is in user mode is arranged on the ply-yarn drill, ply-yarn drill just can not cut off the power supply, and causes the ply-yarn drill efficiency very low.The embodiment of the invention has increased a subscribers feeder transferring module in the Digital Subscriber Line access device, the subscribers feeder port that is in user mode to random distribution on all ply-yarn drills carries out dynamic migration with the subscribers feeder port that is in non-working condition, and the subscribers feeder port that will be in user mode is moved on the different ply-yarn drills with the subscribers feeder port that is in non-working condition.Like this, can be the ply-yarn drill outage of non-working condition to the subscribers feeder port, to reduce the energy consumption that Digital Subscriber Line inserts.
The digital subscriber line access method of the embodiment of the invention one as shown in Figure 3, comprises step:
S101, obtain the subscribers feeder port status.
The subscribers feeder port comprises the subscribers feeder port that is in user mode and is in the subscribers feeder port of non-working condition, these subscribers feeder ports are randomly dispersed on the ply-yarn drill, in the embodiment of the invention, at first obtain the subscribers feeder port status, to determine which subscribers feeder port is in user mode, which subscribers feeder port is in non-working condition.
S102, move according to subscribers feeder port status control subscribers feeder port, the subscribers feeder port that will be in user mode is moved on the different ply-yarn drills with the subscribers feeder port that is in non-working condition.
In the embodiment of the invention, according to the subscribers feeder port status that obtains, need to select the subscribers feeder port of migration, migration pattern can be exchanged by the subscribers feeder port that is in non-working condition on the subscribers feeder port that is in user mode on a certain ply-yarn drill and another ply-yarn drill and finish, the subscribers feeder port that is about to be on a certain ply-yarn drill user mode is moved to the address of the subscribers feeder port that is in non-working condition on another ply-yarn drill, simultaneously the described subscribers feeder port that is in non-working condition is moved to the described raw address that is in the subscribers feeder port of user mode.In some embodiments, also can be the migration between a plurality of subscribers feeder ports, it is the mutual switching between a plurality of subscribers feeder port addresss, for example three ply-yarn drill A, B, C have three subscribers feeder port a, b, c to need migration respectively, then can be by port a to port b, port b is to port c, and port c finishes three migrations between the subscribers feeder port to the path of port a, in like manner can realize three migrations between above subscribers feeder port.
S103, the subscribers feeder port is the ply-yarn drill outage of non-working condition.
In the embodiment of the invention, through the migration of subscribers feeder port, the subscribers feeder port that is in user mode is moved on the different ply-yarn drills with the subscribers feeder port that is in non-working condition, the subscribers feeder port is the ply-yarn drill outage of non-working condition, thereby reaches the purpose that cuts down the consumption of energy.
The method that the embodiment of the invention provides, move with control subscribers feeder port by obtaining the user port state information, to be in the subscribers feeder port of user mode and the subscribers feeder port of non-working condition moves on the different ply-yarn drills, and the subscribers feeder port is the technological means of the ply-yarn drill outage of non-working condition, reduced the energy consumption that Digital Subscriber Line inserts.
Concrete, the digital subscriber line access method of the embodiment of the invention two as shown in Figure 4, comprises step:
S201, before carrying out subscribers feeder port migration, according to predefined startups strategy, need to judge whether the described control subscribers feeder port of startup to move.
In the embodiment of the invention, can set for the migration of subscribers feeder port and start strategy, judge whether that according to starting strategy needs start described control subscribers feeder port and move, thereby both reached purpose of energy saving, reduce the influence that the operation of port frequent migration causes system again.
The described startup strategy pattern of can taking the initiative, described startup strategy can comprise any feasible data such as time interval strategy, time period strategy or service traffics strategy, the variation that described data can objective reaction subscribers feeder port operating position.With time interval strategy is example, and when the preceding time interval of once moving of distance arrived certain threshold value, the start-up control user port moved; With the time period strategy is example, when then starting described control subscribers feeder port, moves a certain special time period of arrival, as the period in morning, the Digital Subscriber Line number of users significantly reduces, take the migration of subscribers feeder port can effectively reduce system energy consumption, can start described control subscribers feeder port and move this moment.When being the service traffics strategy, can be the startup standard with a certain traffic threshold, if when service traffics are higher than this thresholding then do not start, to reduce the influence that the operation of port frequent migration causes system; If service traffics are lower than the setting thresholding, then start described control subscribers feeder port and move.In some embodiments, described startup strategy also can be taked Passive Mode, as the startup foundation of moving as the subscribers feeder port according to the instant data on flows that reports.Further, start strategy and can adopt active and the passive mode that combines.
In some embodiments, this step judges whether that needing to start described control subscribers feeder port moves and can carry out before obtaining the subscribers feeder port status, promptly need to start migration and then carry out S202, in the other execution mode, this step can be carried out after obtaining the subscribers feeder port status, promptly needs to start migration and then carries out S203.
S202, obtain the subscribers feeder port status, determine to be in the subscribers feeder port of user mode and non-working condition.
When the energising of cpe side equipment, subscribers feeder is in state of activation; When the cpe side device powers down, subscribers feeder is in unactivated state.In state of activation, comprise busy (L0), low-power consumption (L2) and three kinds of mode of operations of dormancy (L3), wherein L0, L2 belong to user mode, the subscribers feeder port that is in L0, L2 state is the subscribers feeder port that is in user mode, promptly use port, comprise the Upstream upward signal that is transferred to the CO side from cpe side on the subscribers feeder, and the Downstream downstream signal that is transferred to cpe side from the CO side; When circuit does not have actual data transfer for a long time, subscribers feeder can enter the L3 park mode, belongs to non-working condition, and the subscribers feeder port that is in the L3 state is the subscribers feeder port that is in non-working condition, be non-use port, cpe side can be to the intermittent cue that sends of CO side.The above is as shown in the table:
In the embodiment of the invention, each ply-yarn drill obtains coupled subscribers feeder port status, and obtain manner can adopt the initiatively mode of poll, also can adopt to accept DSP and report and wait other to obtain the mode of subscribers feeder port status data.Each ply-yarn drill reports control card with coupled subscribers feeder port status, and is concrete, can adopt the mode of status register to report, and alternative reports user mode port or non-working condition port, also the two can be reported simultaneously.In other execution mode, control card can initiatively obtain the subscribers feeder port status to each ply-yarn drill.In some embodiments, ply-yarn drill is transferred to can being to use and non-use of control card, and in other execution modes, ply-yarn drill also can transmission user lineman operation mode or user line state, in a word, ply-yarn drill can have the mode that the subscribers feeder port status is transferred to control card multiple.
S203, move, will use port to move on the different ply-yarn drills with non-use port according to subscribers feeder port status control subscribers feeder port.
In the embodiment of the invention,, need to determine the subscribers feeder port of migration according to the subscribers feeder port status that obtains.The subscribers feeder port that can determine need migration by selection mode in some embodiments, selects migration to comprise non-use port on the ply-yarn drill of more use port, and comprises the use port on the ply-yarn drill of more non-use port; In other execution modes, selected in advance some ply-yarn drill is used for concentrating the use port, and selected other ply-yarn drills are used for concentrating non-use port.Suppose that ply-yarn drill A comprises maximum non-use ports, ply-yarn drill B comprises maximum use ports, can determine a certain use port a on the ply-yarn drill A, it is moved to the address of a certain non-use port b on the ply-yarn drill B, simultaneously described port b is moved to the raw address of described port a, be that the mode that the migration of port a and port b is exchanged by port is finished, and then the non-use port d on use port c on the ply-yarn drill A and the ply-yarn drill B exchanged, the rest may be inferred, all be non-use port on ply-yarn drill A, or all be to use port on the ply-yarn drill B.Further, determine new ply-yarn drill C that comprises maximum non-use ports and the ply-yarn drill D that comprises maximum use ports, repeat aforesaid operations, up to using port to move on the different ply-yarn drills with non-use port.
The port mode of exchanging can have multiple, and a kind of mode is to adopt cross matrix to realize, is connected with the client device side subscriber's line by cross matrix.Described cross matrix as shown in Figure 5, the crosspoint between input side port and the outlet side port is tie point (Crosspoint).When Crosspoint was closed, its corresponding input end mouth and output port were communicated with; When Crosspoint disconnected, its corresponding input end mouth and output port were not communicated with.This cross matrix connects framework, can realize choke free any connection between each port of input side and outlet side.
Suppose under initial condition, be annexation one to one between the N road port of input side and the outlet side N road port, promptly (N is closed N), and other Crosspoint disconnects to Crosspoint for Crosspoint (1,1), Crosspoint (2,2).Suppose and the i road port need be moved on the j road port, then with Crosspoint (i, i) and Crosspoint (j j) disconnects, Crosspoint (i, j) and Crosspoint (j, i) closure gets final product.The control of Crosspoint closed and disconnected as shown in Figure 6, when control signal (Address) effectively the time, input side and outlet side port are communicated with, when control signal was invalid, input side and outlet side port were not communicated with.
In conjunction with the embodiment of the invention, suppose that the subscribers feeder port i on the ply-yarn drill A is in non-working condition, subscribers feeder port j on the ply-yarn drill B is in user mode, now subscribers feeder port i and j to be exchanged, then make Crosspoint (i by control card, i) and Crosspoint (j, j) control signal is invalid, make its disconnection, make then Crosspoint (i, j) and Crosspoint (j, i) control signal is effective, make its closure, thereby make the exchanging of port j of the port i of ply-yarn drill A and ply-yarn drill B according to the port address of i and j, finish the port migration of the port and the non-working condition of user mode.
S204, to being the ply-yarn drill outage of non-use port, promptly carry out the ply-yarn drill power management.
In the embodiment of the invention, carry out port migration after, use port to focus on the different ply-yarn drills with non-use port, as shown in Figure 7, port is used in the solid line representative, dotted line is represented non-use port.Under some execution mode, have that existing use port has non-use port again on the ply-yarn drill, under some execution mode, also can stay more than one and comprise the ply-yarn drill that uses port and non-use port.When all being non-use port,, thereby reach the purpose that cuts down the consumption of energy then to this ply-yarn drill outage on ply-yarn drill.
As shown in Figure 7, the ply-yarn drill of grey representative energising, white is represented the ply-yarn drill of outage, and before the subscribers feeder port was moved, using port and non-use port was random distribution; After the subscribers feeder port moved, most of non-use port was focused on the ply-yarn drill of white.The ply-yarn drill quantity that can cut off the power supply is relevant with service traffics, and service traffics are low more, and the ply-yarn drill that can cut off the power supply is many more, and energy-saving effect is just remarkable more.
S205, monitor user ' line cap state carry out corresponding operating according to the variation of subscribers feeder port status.
In the embodiment of the invention, after the ply-yarn drill outage that is non-use port, the situation that the subscribers feeder port on the ply-yarn drill of can occurring under some situation cutting off the power supply need activate, on the other hand, use port on the energising ply-yarn drill also may be converted into non-use port, need carry out further port migration and ply-yarn drill outage to cut down the consumption of energy, so need monitor to the subscribers feeder port status.Can divide into of the monitoring of energising ply-yarn drill the monitoring of subscribers feeder port status with outage ply-yarn drill subscribers feeder port status.
For the energising ply-yarn drill, can carry out the monitoring of subscribers feeder port status by ply-yarn drill self, if there is user's line cap to be transformed into non-working condition from user mode, carry out S203, carry out the port migration, promptly the mode of exchanging by port is concentrated non-use port to one or more ply-yarn drills, carries out S204 then, carry out power management, to being the ply-yarn drill outage of non-use port.If be transformed into the port of non-working condition is positioned on the ply-yarn drill of non-use port from user mode, then need not to carry out the port migration, if because the conversion of this port status makes its place ply-yarn drill be non-use port, then can directly carry out S204, ply-yarn drill is cut off the power supply.By monitoring live wire card port state, and carry out corresponding operating, guaranteed that the ply-yarn drill that is non-use port in time cuts off the power supply, thereby reduced the energy consumption that Digital Subscriber Line inserts.
For the outage ply-yarn drill, a testing circuit need be set, by following step monitor user ' line cap state:
S2051, obtain outage ply-yarn drill subscribers feeder port address, the subscribers feeder of determining described subscribers feeder port address correspondence is as tested subscribers feeder.
In the embodiment of the invention, control card provides outage ply-yarn drill subscribers feeder port address to testing circuit, and testing circuit is according to the subscribers feeder port address that control card provides, and the subscribers feeder that connects described port address is as tested subscribers feeder.
S2052, the described tested subscribers feeder port status of test report described tested subscribers feeder port status.
Testing circuit is tested tested subscribers feeder port status, and described tested subscribers feeder port status is reported control card, so that control card carries out further power management to ply-yarn drill.In some execution mode, detection module can only report the subscribers feeder port that need be transformed into user mode from non-working condition to control card.In some embodiments, also can be that control card initiatively obtains the subscribers feeder port status to testing circuit, or adopt active and the passive mode that combines.
If there is user's line cap to be transformed into user mode from non-working condition, then carry out S203, carry out the port migration, promptly the mode of exchanging by port is moved to this port on the energising ply-yarn drill.If there is not non-use port to exchange on the energising ply-yarn drill, then carry out S204, to the residing ply-yarn drill energising of this port.By monitoring outage ply-yarn drill port status, and carry out corresponding operating, guarantee to resolve that the subscribers feeder port can in time successfully be transformed into user mode from non-working condition on the electrical wire fastener, do not influence Digital Subscriber Line user's normal use.
In some embodiments, testing circuit also can be used to monitor live wire card user line cap state.Control card provides live wire card user line cap address to testing circuit, the subscribers feeder port address that testing circuit provides according to control card, the subscribers feeder that connects described port address is as tested subscribers feeder, testing circuit is tested tested subscribers feeder port status, and described tested subscribers feeder port status reported control card, if there is user's line cap to be transformed into non-working condition from user mode, carry out S203, carry out the port migration, promptly the mode of exchanging by port is concentrated non-use port to one or more ply-yarn drills, carry out S204 then, carry out power management, to being the ply-yarn drill outage of non-use port.If be transformed into the port of non-working condition is positioned on the ply-yarn drill of non-use port from user mode, then need not to carry out the port migration, if because the conversion of this port status makes its place ply-yarn drill be non-use port, then can directly carry out S204, ply-yarn drill is cut off the power supply.
In the embodiment of the invention, can set the migration of subscribers feeder port and stop strategy, frequently carry out the influence that port migration and ply-yarn drill power on/off cause when avoiding service traffics higher.Stop the monitoring that strategy can be based on outage ply-yarn drill port status, when more non-use port converts the use port to, promptly mean the increase of customer flow, can stop the migration of subscribers feeder port this moment, the outage ply-yarn drill is carried out power-on servicing; In some execution mode, stop strategy and can be based on any feasible data such as time period strategy or service traffics strategy, the variation that described data can objective reaction subscribers feeder port operating position.In a word, the termination strategy of subscribers feeder port migration can have multiple.
The method that the embodiment of the invention provides, move with control subscribers feeder port by obtaining the user port state information, the subscribers feeder port that will be in the subscribers feeder port of user mode and non-working condition is relative concentrated, and the subscribers feeder port is the technological means of the ply-yarn drill outage of non-working condition, reduced the energy consumption that Digital Subscriber Line inserts.Technological means by judging whether to need the described control subscribers feeder port of startup to move had both reduced energy consumption, had reduced the influence that the operation of port frequent migration causes system again.By monitor user ' line cap state, carry out the technological means of corresponding operating according to the variation of subscribers feeder port status, further reduced the energy consumption that Digital Subscriber Line inserts, guaranteed the normal use of Digital Subscriber Line again.
Corresponding to above-mentioned digital subscriber line access method, the embodiment of the invention three provides a kind of Digital Subscriber Line access control apparatus, as shown in Figure 8, comprising:
In the embodiment of the invention, ply-yarn drill obtains coupled subscribers feeder port status, the subscribers feeder port status comprises user mode and the non-working condition of describing among the S202 in the foregoing description 2, then coupled subscribers feeder port status is reported acquisition module 301, concrete, can adopt the mode of status register to report, can adopt selectivity to report user mode port or non-working condition port, also the two can be reported simultaneously.In other execution mode, acquisition module 301 can initiatively obtain the subscribers feeder port status to ply-yarn drill.
In the embodiment of the invention, the subscribers feeder port status that control transferring module 302 obtains according to acquisition module 301 is determined the subscribers feeder port of needs migration, in some embodiments, the migration of subscribers feeder port as described above among the embodiment 2 S203 described, exchange by cross matrix and to finish, the subscribers feeder port address that control transferring module 302 is moved as required, rosspoint transmits control signal to corresponding C, controlling its closed and disconnected, thereby finish the migration of subscribers feeder port.Further, control transferring module 302 repeats aforesaid operations, and port is relative concentrated with non-use port up to using, and focuses on the different ply-yarn drills.
In the embodiment of the invention, after carrying out the port migration, use port to focus on relatively on the different ply-yarn drills with non-use port, under some execution mode, have that existing use port has non-use port again on the ply-yarn drill, under some execution mode, also can stay more than one and comprise the ply-yarn drill that uses port and non-use port.303 pairs of power management modules all are the ply-yarn drill outages of non-use port, thereby reach the purpose that cuts down the consumption of energy.
The device that the embodiment of the invention provides, being used for realizing obtaining the user port state information moves with control subscribers feeder port, the subscribers feeder port that will be in the subscribers feeder port of user mode and non-working condition is relative concentrated, and the subscribers feeder port is the technological means of the ply-yarn drill outage of non-working condition, reduced the energy consumption that Digital Subscriber Line inserts.
Further, embodiment of the invention control transferring module 302 comprises determines submodule 3021 and control submodule 3022, described definite submodule 3021, be used for according to described subscribers feeder port status the ply-yarn drill that the subscribers feeder port that definite subscribers feeder port that need move and described need move need be moved to; Described control submodule 3022 is used to control the subscribers feeder port that described need move and moves to the ply-yarn drill that described need are moved to.
Further, the Digital Subscriber Line access control apparatus that provides of the embodiment of the invention also comprises:
In some embodiments, judge module 304 also is used for stopping the migration of subscribers feeder port according to predefined termination strategy, frequently carries out the influence that port migration and ply-yarn drill power on/off cause when avoiding service traffics higher.
Corresponding to above-mentioned digital subscriber line access method, the embodiment of the invention four provides a kind of Digital Subscriber Line access device, as shown in Figure 9, comprising:
Ply-yarn drill 401 is used to obtain the subscribers feeder port status.
Subscribers feeder transferring module 403 is used for carrying out the migration of subscribers feeder port under the control of control card 402;
The subscribers feeder port that the described subscribers feeder transferring module 403 of described control card 402 controls will be in user mode is moved on the different ply-yarn drills with the subscribers feeder port that is in non-working condition, and the ply-yarn drill that 402 pairs of subscribers feeder ports of described control card are non-working condition cuts off the power supply.
The equipment that the embodiment of the invention provides, being used for realizing obtaining the user port state information moves with control subscribers feeder port, the subscribers feeder port that will be in the subscribers feeder port of user mode and non-working condition is relative concentrated, and the subscribers feeder port is the technological means of the ply-yarn drill outage of non-working condition, reduced the energy consumption that Digital Subscriber Line inserts.
Concrete, the Digital Subscriber Line access device of the embodiment of the invention five, as shown in figure 10, comprise ply-yarn drill 501, control card 502, subscribers feeder transferring module 503, detection module 504 and Splitter 505, wherein Splitter 505 is used for telephone speech signal and the DSL high-frequency digital signal on the separate users end equipment side circuit, can be arranged in the Digital Subscriber Line access device, subscribers feeder transferring module 503 is between Splitter 505 and ply-yarn drill 501, detection module 504 links to each other with subscriber's line between Splitter 505 and the ply-yarn drill 501, control card 502 and ply-yarn drill 501, subscribers feeder transferring module 503 links to each other with detection module 504.In some embodiments, Splitter 505 is positioned at outside the Digital Subscriber Line access device, and corresponding, subscribers feeder transferring module 503 and detection module 504 also can be positioned at outside the Digital Subscriber Line access device.In some embodiments, the Digital Subscriber Line access device that provides of the embodiment of the invention can be DSLAM.Further, subscribers feeder transferring module 503 and detection module 504 also can be positioned at the ustomer premises access equipment side of Splitter 505, select the benefit of the circuit between Splitter 505 and the ply-yarn drill 501 to be that this section circuit has only high-frequency digital signal, can not influence telephone speech signal when carrying out the migration of subscribers feeder port, can be when carrying out input by voice signal interference yet.
Further, described control card 502 comprises acquisition module, control transferring module and power management module, and the annexation of above-mentioned module and effect please refer to the description of the embodiment of the invention three.
Below in conjunction with the migration of subscribers feeder port embodiment of the invention Digital Subscriber Line access device is described in detail:
Control card 502 judges whether that according to predefined startup strategy needs start described control subscribers feeder port and move.The described startup strategy pattern of can taking the initiative, described startup strategy can comprise any feasible data such as time interval strategy, time period strategy or service traffics strategy, the variation that described data can objective reaction subscribers feeder port operating position.With time interval strategy is example, when the preceding time interval of once moving of distance arrives certain threshold value, starts the migration of user port; With the time period strategy is example, when arriving the migration that a certain special time period starts user port, as the period in morning, the Digital Subscriber Line number of users significantly reduces, take the migration of subscribers feeder port can effectively reduce system energy consumption, can start described control subscribers feeder port and move this moment.When being the service traffics strategy, can be the startup standard with a certain traffic threshold, if when service traffics are higher than this thresholding then do not start, to reduce the influence that the operation of port frequent migration causes system; If service traffics are lower than the setting thresholding, then start described control subscribers feeder port and move.In some embodiments, described startup strategy also can be taked Passive Mode, as the startup foundation of moving as the subscribers feeder port according to the instant data on flows that reports.Further, start strategy and can adopt active and the passive mode that combines.By judging the startup of decision subscribers feeder port migration, thereby both reached purpose of energy saving, reduced the influence that the operation of port frequent migration causes system again starting strategy.
After the described control subscribers feeder port of control card 502 decisions the startup moved, ply-yarn drill 501 obtained the subscribers feeder port status, determines to be in the subscribers feeder port of user mode and non-working condition.When the energising of cpe side equipment, subscribers feeder is in state of activation; When the cpe side device powers down, subscribers feeder is in unactivated state.In state of activation, comprise busy (L0), low-power consumption (L2) and three kinds of mode of operations of dormancy (L3), wherein L0, L2 belong to user mode, the subscribers feeder port that is in L0, L2 state is the subscribers feeder port that is in user mode, promptly use port, comprise the Upstream upward signal that is transferred to the CO side from cpe side on the subscribers feeder, and the Downstream downstream signal that is transferred to cpe side from the CO side; When circuit does not have actual data transfer for a long time, subscribers feeder can enter the L3 park mode, belongs to non-working condition, and the subscribers feeder port that is in the L3 state is the subscribers feeder port that is in non-working condition, be non-use port, cpe side can be to the intermittent cue that sends of CO side.The above is as shown in the table:
In the embodiment of the invention, each ply-yarn drill 501 obtains coupled subscribers feeder port status, and obtain manner can adopt the initiatively mode of poll, also can adopt to accept DSP and report and wait other to obtain the mode of subscribers feeder port status data.Each ply-yarn drill 501 reports control card 502 with coupled subscribers feeder port status, and is concrete, can adopt the mode of status register to report, and alternative reports user mode port or non-working condition port, also the two can be reported simultaneously.In other execution mode, control card 502 can initiatively obtain the subscribers feeder port status to each ply-yarn drill 501.In some embodiments, each ply-yarn drill 501 is transferred to can being to use and non-working condition of control card 502, in other execution modes, ply-yarn drill 501 also can transmission user lineman operation mode or user line state, in a word, ply-yarn drill 501 can have the mode that the subscribers feeder port status is transferred to control card 502 multiple.
In some embodiments, before control card 502 judged whether that needing to start described control subscribers feeder port moves, ply-yarn drill 501 can at first obtain the subscribers feeder port status.Ply-yarn drill 501 can judge whether the action that the subscribers feeder port status is transferred to control card 502 to finish before needing to start described control subscribers feeder port moves at control card 502, also can finish after judging.
After control card 502 obtained the subscribers feeder port status, control subscribers feeder transferring module 503 was carried out the migration of subscribers feeder port, will use port relative concentrated with non-use port.In this process, control card 502 need to determine the subscribers feeder port of migration according to the subscribers feeder port status.The subscribers feeder port that can determine need migration by selection mode in some embodiments, selects migration to comprise non-use port on the ply-yarn drill of more use port, and comprises the use port on the ply-yarn drill of more non-use port; In other execution modes, selected in advance some ply-yarn drill is used for concentrating the use port, and selected other ply-yarn drills are used for concentrating non-use port.Suppose that ply-yarn drill A comprises maximum non-use ports, ply-yarn drill B comprises maximum use ports, can determine a certain use port a on the ply-yarn drill A, it is moved to the address of a certain non-use port b on the ply-yarn drill B, simultaneously described port b is moved to the raw address of described port a, be that the mode that the migration of port a and port b is exchanged by port is finished, and then the non-use port d on use port c on the ply-yarn drill A and the ply-yarn drill B exchanged, the rest may be inferred, all be non-use port on ply-yarn drill A, or all be to use port on the ply-yarn drill B.Further, determine new ply-yarn drill C that comprises maximum non-use ports and the ply-yarn drill D that comprises maximum use ports, repeat aforesaid operations, port is relative concentrated with non-use port up to using, and focuses on the different ply-yarn drills.
The port mode of exchanging can have multiple, adopt subscribers feeder transferring module 503 to finish in the embodiment of the invention, it adopts the cross matrix framework, and soon the subscribers feeder port on all ply-yarn drills is connected with the client device side subscriber's line by cross matrix as a resource pool.Described cross matrix as shown in Figure 5, the crosspoint between input side port and the outlet side port is tie point (hereinafter to be referred as Crosspoint).When Crosspoint was closed, its corresponding input end mouth and output port were communicated with; When Crosspoint disconnected, its corresponding input end mouth and output port were not communicated with.This cross matrix connects framework, can realize choke free any connection between each port of input side and outlet side.Suppose under initial condition, be annexation one to one between the N road port of input side and the outlet side N road port, promptly (N is closed N), and other Crosspoint disconnects to Crosspoint for Crosspoint (1,1), Crosspoint (2,2).Suppose and the i road port need be moved on the j road port, then with Crosspoint (i, i) and Crosspoint (j j) disconnects, Crosspoint (i, j) and Crosspoint (j, i) closure gets final product.The control of Crosspoint closed and disconnected as shown in Figure 6, when control signal (Address) effectively the time, input side and outlet side port are communicated with, when control signal was invalid, input side and outlet side port were not communicated with.
In conjunction with the embodiment of the invention, suppose that the subscribers feeder port i on the ply-yarn drill 501A is in non-working condition, subscribers feeder port j on the ply-yarn drill 501B is in user mode, now subscribers feeder port i and j to be exchanged, then make Crosspoint (i by control card 502, i) and Crosspoint (j, j) control signal is invalid, make its disconnection, make then Crosspoint (i, j) and Crosspoint (j, i) control signal is effective, make its closure, thereby make the exchanging of port j of the port i of ply-yarn drill 501A and ply-yarn drill 501B according to the port address of i and j, finish the port migration of the port and the non-working condition of user mode.
After control card 502 control subscribers feeder transferring module 503 are carried out the migration of subscribers feeder port, use port relative concentrated with non-use port, focus on the different ply-yarn drills, 502 pairs of control cards all are the ply-yarn drill outages of non-use port, thereby reach the purpose that cuts down the consumption of energy.Under the lower situation of service traffics, as daytime and morning, the Digital Subscriber Line number of users can reduce sharply, the 20-30% of the chances are peak period.Implement port migration and ply-yarn drill outage management in the meantime, can close most of ply-yarn drill in the Digital Subscriber Line access device, the total power consumption of Digital Subscriber Line access device is reduced significantly.
Through behind the power operation, the ply-yarn drill in the access device is divided into energising ply-yarn drill and outage ply-yarn drill.
For the energising ply-yarn drill, self carry out the monitoring of subscribers feeder port status by described energising ply-yarn drill, if there is user's line cap to be transformed into non-working condition from user mode, then carry out above-mentioned subscribers feeder port migration once more, promptly the mode of exchanging by port is concentrated non-use port to one or more ply-yarn drills, then to being the ply-yarn drill outage of non-use port.Be positioned on the ply-yarn drill of non-use port if be transformed into the port of non-working condition from user mode, then need not to carry out the port migration, if because the conversion of this port status makes its place ply-yarn drill be non-use port, then can be directly to this ply-yarn drill outage.By monitoring live wire card port state, and carry out corresponding operating, guaranteed that the ply-yarn drill that is non-use port in time cuts off the power supply, thereby reduced the energy consumption that Digital Subscriber Line inserts.
For the monitoring of outage ply-yarn drill subscribers feeder port status, to finish by detection module 504, detection module 504 comprises:
Below in conjunction with Figure 11 detection module 504 courses of work are described, among some embodiment, detection module 504 links to each other with subscriber's line between Splitter 505 and the ply-yarn drill, and this section circuit has only high-frequency digital signal, is convenient to detect.The subscribers feeder port address that multiplexer circuit module 5041 provides according to control card 502, can choose any one in 1～n subscribers feeder to be connected as tested subscribers feeder with test circuit module 5042, test circuit module 5042 test subscriber's line states, and report control card 502.
If there is user's line cap to be transformed into user mode from non-working condition, then carry out the migration of subscribers feeder port once more, promptly the mode of exchanging by port is moved to this port on the energising ply-yarn drill.If there is not non-use port to exchange on the energising ply-yarn drill, then to the residing ply-yarn drill energising of this port.
By monitoring outage ply-yarn drill subscribers feeder port status, and carry out corresponding operating, guarantee to resolve that the subscribers feeder port can in time successfully be transformed into user mode from non-working condition on the electrical wire fastener, do not influence Digital Subscriber Line user's normal use.
In some embodiments, detection module 504 also can be used to monitor live wire card user line cap state.The live wire card user line cap address that multiplexer circuit module 5041 provides according to control card 502, the subscribers feeder that connects described port address correspondence is as tested subscribers feeder, the described tested subscribers feeder port status of test circuit module 5042 tests, and described tested subscribers feeder port status reported control card 502, if there is user's line cap to be transformed into non-working condition from user mode, then carry out above-mentioned subscribers feeder port migration once more, promptly the mode of exchanging by port is concentrated non-use port to one or more ply-yarn drills, then to being the ply-yarn drill outage of non-use port.Be positioned on the ply-yarn drill of non-use port if be transformed into the port of non-working condition from user mode, then need not to carry out the port migration, if because the conversion of this port status makes its place ply-yarn drill be non-use port, then can be directly to this ply-yarn drill outage.
Further, migration stops strategy and stops the migration of subscribers feeder port control card 502 according to predefined subscribers feeder port, and the outage ply-yarn drill is carried out power-on servicing, frequently carries out the influence that port migration and ply-yarn drill power on/off cause when avoiding service traffics higher.Stop the monitoring that strategy can be based on outage ply-yarn drill port status, when more non-use port converts the use port to, promptly mean the increase of customer flow, can stop the migration of subscribers feeder port this moment, the outage ply-yarn drill is carried out power-on servicing; In some execution mode, stop strategy and can be based on any feasible data such as time period strategy or service traffics strategy, the variation that described data can objective reaction subscribers feeder port operating position.In a word, the termination strategy of subscribers feeder port migration can have multiple.
The equipment that the embodiment of the invention provides, being used for realizing obtaining the user port state information moves with control subscribers feeder port, the subscribers feeder port that will be in the subscribers feeder port of user mode and non-working condition is relative concentrated, and the subscribers feeder port is the technological means of the ply-yarn drill outage of non-working condition, thereby reduced the energy consumption that Digital Subscriber Line inserts.Be used to realize judging whether that needs start the technological means that described control subscribers feeder port moves, thereby both reduced energy consumption, reduced the influence that the operation of port frequent migration causes system again.Be used to realize monitor user ' line cap state, carry out the technological means of corresponding operating, further reduced the energy consumption of DSL circuit, guaranteed the normal use of Digital Subscriber Line again according to the variation of subscribers feeder port status.
One of ordinary skill in the art will appreciate that all or part of flow process that realizes in the foregoing description method, can instruct relevant hardware to finish by computer program, described program can be stored in the computer read/write memory medium, this program can comprise the flow process as the embodiment of above-mentioned each side method when carrying out.Wherein, described storage medium can be magnetic disc, CD, read-only storage memory body (Read-Only Memory, ROM) or at random store memory body (Random Access Memory, RAM) etc.
The above only is several embodiments of the present invention, and those skilled in the art can carry out various changes or modification to the present invention and do not break away from the spirit and scope of the present invention according to application documents are disclosed.
Claims (15)
1, a kind of digital subscriber line access method is characterized in that, described method comprises:
Obtain the subscribers feeder port status;
Move according to described subscribers feeder port status control subscribers feeder port, the subscribers feeder port that will be in user mode is moved on the different ply-yarn drills with the subscribers feeder port that is in non-working condition;
The subscribers feeder port is the ply-yarn drill outage of non-working condition.
2, digital subscriber line access method according to claim 1 is characterized in that, described move according to described subscribers feeder port status control subscribers feeder port before, described method also comprises:
According to predefined startup strategy, start described control subscribers feeder port and move.
3, digital subscriber line access method according to claim 1 is characterized in that, the described migration according to described subscribers feeder port status control subscribers feeder port comprises:
According to described subscribers feeder port status, determine the ply-yarn drill that subscribers feeder port that subscribers feeder port that described need move and described need move need be moved to;
Control the subscribers feeder port that described need move and move to the ply-yarn drill that described need are moved to.
4, digital subscriber line access method according to claim 3 is characterized in that, the subscribers feeder port that the described need of described control move is moved to the ply-yarn drill that described need move to and comprised:
Controlling the subscribers feeder port that described need move exchanges with the subscribers feeder port that is in different user modes on the ply-yarn drill that described need are moved to; Or, control the switching between a plurality of subscribers feeder ports on a plurality of ply-yarn drills, the subscribers feeder port that described need are moved is moved to the ply-yarn drill that described need are moved to.
According to each described digital subscriber line access method of claim 1 to 4, it is characterized in that 5, after the described ply-yarn drill outage that the subscribers feeder port is non-working condition, described method also comprises:
Monitor user ' line cap state carries out corresponding operating according to the variation of described subscribers feeder port status.
6, digital subscriber line access method according to claim 5 is characterized in that, described monitor user ' line cap state carries out corresponding operating according to the variation of described subscribers feeder port status and comprises:
Monitoring live wire card user line cap state and/or monitoring outage ply-yarn drill subscribers feeder port status;
Detecting on the described energising ply-yarn drill has user's line cap to be transformed into non-working condition from user mode, then carries out the migration of described subscribers feeder port or to described ply-yarn drill outage;
Detecting on the described outage ply-yarn drill has user's line cap to be transformed into user mode from non-working condition, then carries out the migration of described subscribers feeder port or to described ply-yarn drill energising.
7, a kind of Digital Subscriber Line access control apparatus is characterized in that, described device comprises:
Acquisition module is used to obtain the subscribers feeder port status that ply-yarn drill obtains;
The control transferring module, be used for moving according to the described subscribers feeder port status control subscribers feeder port that described acquisition module obtains, the subscribers feeder port that described migration will be in user mode is moved on the different ply-yarn drills with the subscribers feeder port that is in non-working condition;
Power management module is used for according to subscribers feeder port migration results, the subscribers feeder port is the ply-yarn drill outage of non-working condition.
8, Digital Subscriber Line access control apparatus according to claim 7 is characterized in that, described control transferring module comprises:
Determine submodule, be used for, the ply-yarn drill that the subscribers feeder port that definite subscribers feeder port that need move and described need move need be moved to according to described subscribers feeder port status;
The control submodule is used to control the subscribers feeder port that described need move and moves to the ply-yarn drill that described need are moved to.
9, Digital Subscriber Line access control apparatus according to claim 7 is characterized in that, described device also comprises:
Judge module is used for according to predefined startup strategy, judges whether that needing to start described control subscribers feeder port moves.
10, according to each described Digital Subscriber Line access control apparatus of claim 7 to 9, it is characterized in that described device also comprises:
The control detection module is used to control the monitoring to the subscribers feeder port status.
11, a kind of Digital Subscriber Line access device is characterized in that, described equipment comprises:
Ply-yarn drill is used to obtain the subscribers feeder port status;
Control card is used for the described subscribers feeder port status that obtains according to described ply-yarn drill, and control subscribers feeder port moves;
The subscribers feeder transferring module is used for carrying out the migration of subscribers feeder port under the control of described control card;
Described control card is controlled the subscribers feeder port that described subscribers feeder transferring module will be in user mode and is moved on the different ply-yarn drills with the subscribers feeder port that is in non-working condition, and described control card is the ply-yarn drill outage of non-working condition to the subscribers feeder port.
12, Digital Subscriber Line access device according to claim 11 is characterized in that, described control card comprises:
Acquisition module is used to obtain the subscribers feeder port status that ply-yarn drill obtains;
The control transferring module, be used for moving according to the described subscribers feeder port status control subscribers feeder port that described acquisition module obtains, the subscribers feeder port that described migration will be in user mode is moved on the different ply-yarn drills with the subscribers feeder port that is in non-working condition;
Power management module is used for according to subscribers feeder port migration results, the subscribers feeder port is the ply-yarn drill outage of non-working condition.
13, Digital Subscriber Line access device according to claim 11 is characterized in that:
Described subscribers feeder transferring module adopts cross matrix to connect framework, by the switch in relay array control crosspoint.
14, according to each described Digital Subscriber Line access device of claim 11 to 13, it is characterized in that described equipment also comprises:
Detection module is used for monitor user ' line cap state, and monitoring result is reported control card, carries out corresponding operating so that described control card changes according to the subscribers feeder port status.
15, Digital Subscriber Line access device according to claim 14 is characterized in that, described detection module comprises:
The multiplexer circuit module is used for obtaining the subscribers feeder port address from control card, and the subscribers feeder that connects described subscribers feeder port address correspondence is as tested subscribers feeder.
Test circuit module is used to test described tested subscribers feeder port status, described tested subscribers feeder port status is reported described control card, so that described control card carries out further power management to ply-yarn drill.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910105196XA CN101478464B (en) | 2009-01-22 | 2009-01-22 | Digital subscriber line access method, apparatus and equipment |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910105196XA CN101478464B (en) | 2009-01-22 | 2009-01-22 | Digital subscriber line access method, apparatus and equipment |
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| CN101478464A true CN101478464A (en) | 2009-07-08 |
| CN101478464B CN101478464B (en) | 2011-04-20 |
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| CN200910105196XA Expired - Fee Related CN101478464B (en) | 2009-01-22 | 2009-01-22 | Digital subscriber line access method, apparatus and equipment |
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| CN102006375A (en) * | 2010-11-15 | 2011-04-06 | 中兴通讯股份有限公司 | Method and device for processing asymmetrical digital subscriber line ports |
| WO2011054246A1 (en) * | 2009-11-03 | 2011-05-12 | 华为技术有限公司 | Method, device and digital subscriber line (dsl) subscriber board for monitoring power consumption value of dsl subscriber board |
| CN102158368A (en) * | 2011-02-15 | 2011-08-17 | 华为技术有限公司 | Energy-saving processing method and device, local-side equipment and network system |
| WO2013040959A1 (en) * | 2011-09-23 | 2013-03-28 | 烽火通信科技股份有限公司 | Method for flexible configuration migration between passive optical network (pon) ports |
| WO2013181794A1 (en) * | 2012-06-05 | 2013-12-12 | 华为技术有限公司 | Vectored dsl system, and subscriber line addition method and device therefor |
| CN104410764A (en) * | 2014-12-22 | 2015-03-11 | 绵阳灵通电讯设备有限公司 | Multi-line pair adaptive assembly SHDSL (Symmetrical High bite Digital Subscriber Line) transmission module and realization method thereof |
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| EP2506497A1 (en) * | 2011-03-31 | 2012-10-03 | France Telecom | Deactivation of XDSL unused ports |
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| JP4632505B2 (en) * | 2000-09-29 | 2011-02-16 | 日本電気株式会社 | Asymmetric digital subscriber line service communication system |
| CN1319334C (en) * | 2003-01-28 | 2007-05-30 | 华为技术有限公司 | Protection method for core domain of multiple spanning tree in switching network |
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| WO2011054246A1 (en) * | 2009-11-03 | 2011-05-12 | 华为技术有限公司 | Method, device and digital subscriber line (dsl) subscriber board for monitoring power consumption value of dsl subscriber board |
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| CN102006375B (en) * | 2010-11-15 | 2014-08-13 | 中兴通讯股份有限公司 | Method and device for processing asymmetrical digital subscriber line ports |
| CN102006375A (en) * | 2010-11-15 | 2011-04-06 | 中兴通讯股份有限公司 | Method and device for processing asymmetrical digital subscriber line ports |
| CN102158368A (en) * | 2011-02-15 | 2011-08-17 | 华为技术有限公司 | Energy-saving processing method and device, local-side equipment and network system |
| WO2013040959A1 (en) * | 2011-09-23 | 2013-03-28 | 烽火通信科技股份有限公司 | Method for flexible configuration migration between passive optical network (pon) ports |
| CN103477564A (en) * | 2012-06-05 | 2013-12-25 | 华为技术有限公司 | Subscriber line addition method and device for vectored DSL system, and vectored DSL system |
| WO2013181794A1 (en) * | 2012-06-05 | 2013-12-12 | 华为技术有限公司 | Vectored dsl system, and subscriber line addition method and device therefor |
| CN103477564B (en) * | 2012-06-05 | 2015-06-17 | 华为技术有限公司 | Subscriber line addition method and device for vectored DSL system, and vectored DSL system |
| US9894214B2 (en) | 2012-06-05 | 2018-02-13 | Huawei Technologies Co., Ltd. | Method and apparatus for enabling subscriber lines to join DSL vectoring system, and DSL vectoring system |
| CN104581893A (en) * | 2014-12-08 | 2015-04-29 | 上海斐讯数据通信技术有限公司 | Network access device and switching method thereof for accessing to multiple networks |
| CN104410764A (en) * | 2014-12-22 | 2015-03-11 | 绵阳灵通电讯设备有限公司 | Multi-line pair adaptive assembly SHDSL (Symmetrical High bite Digital Subscriber Line) transmission module and realization method thereof |
| CN104410764B (en) * | 2014-12-22 | 2017-10-03 | 四川灵通电讯有限公司 | A kind of multi-thread SHDSL transport modules and implementation method to adaptive convergence |
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