CN101764901B - Implementation system, equipment and method for convergence sharing of digital user line port - Google Patents
Implementation system, equipment and method for convergence sharing of digital user line port Download PDFInfo
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- CN101764901B CN101764901B CN200810188015XA CN200810188015A CN101764901B CN 101764901 B CN101764901 B CN 101764901B CN 200810188015X A CN200810188015X A CN 200810188015XA CN 200810188015 A CN200810188015 A CN 200810188015A CN 101764901 B CN101764901 B CN 101764901B
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- 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
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Abstract
The invention discloses an implementation system, equipment and a method for convergence sharing of a digital user line port. A DSL port converging device is arranged between digital user line DSL user side equipment and DSL local side equipment. Each DSL user side equipment is connected with one port at the access end of the DSL port converging device, and the port at the converging end of the DSL port converging device is connected with the DSL local side equipment, wherein the number of the ports at the access end of the DSL port converging device is larger than that at the converging end. When a signal requested for access by the DSL user side equipment arrives, the DSL port converging device selects an idle port from the converging end to communicate with the port at the access end connected with the DSL user side equipment. The invention improves the utilizing efficiency of the physical port at the user side of the DSL local side equipment, implements a DSL port sharing and multiplexing strategy, and saves equipment and network investment costs for developing broadband access businesses based on DSL technology on a large scale.
Description
Technical field
The present invention relates to the broadband internet applied technical field, be meant realization system, equipment and method that a kind of digital subscriber line trunking is shared especially.
Background technology
At present, be widely used in the wideband switch-in business of telecommunications based on the Digital Subscriber Line technology of telephone wire, as shown in Figure 1 based on the broadband access network of DSL technology, comprising:
Broadband access network based on DSL technology is mainly held equipment, local side and user side speech separator by DSL local side apparatus, DSL subscriber, connects through copper twisted pair cable between separately.The DSL subscriber holds equipment corresponding one by one with the user side physical port of DSL local side apparatus.On a pair of twisted-pair feeder, the user can use POTS voice service and broadband access network business simultaneously.
The user uses the professional flow process of broadband access network following:
(1) DSL subscriber holds equipment and PC all to power on;
(2) DSL subscriber holds and carries out shaking hands and training of DSL signal between equipment and the DSL local side apparatus;
(3) the DSL link normally activates;
(4) user carries out the network access authentication request through PC PPPoE dialing;
(5) user uses broadband access network professional through PC.
In existing broadband access network and business model, as long as user applies is opened the DSL wideband switch-in business, operator just need distribute a proprietary DSL physical port for the user at the DSL local side apparatus.There is following weak point in this pattern:
The waste situation that has DSL local side apparatus port resource.For the wide band access user that pays fees by the hour, can't be online always, when the user was not online, DSL local side apparatus port was in idle condition, caused the wasting of resources phenomenon of the user-side port of DSL local side apparatus.
Summary of the invention
In view of this, the objective of the invention is to propose realization system, equipment and the method that a kind of digital subscriber line trunking is shared, improve the utilance of DSL local side apparatus user side physical port.
Based on the shared realization system of above-mentioned purpose digital subscriber line trunking provided by the invention; Hold the digital subscriber line DSL subscriber DSL trunking device is set between equipment and the DSL local side apparatus; Each DSL subscriber holds equipment to be connected with a port of DSL trunking device incoming end; The port of DSL trunking device pool side is connected with the DSL local side apparatus, and wherein the port number of DSL trunking device incoming end is greater than the port number of pool side;
When the DSL subscriber holds the signal of device request access to arrive, the port conducting of the incoming end that the port of DSL trunking device free time of selection in the pool side is connected with this DSL subscriber's equipment.
Optional, this system each port of said DSL trunking device incoming end links to each other with the professional output port of the broadband access network of local side speech separator respectively, and DSL trunking device pool side port links to each other with digital subscriber link couple in multiplexer DSLAM equipment.
Optional, this system said DSL trunking device also is provided with the management interface module, is connected with DSLAM equipment through management interface, is used for the mutual and bookkeeping of management information.
Optional; This system said DSL trunking device with access interface with converge the port conducting after; Converging the DSLAM port that port is connected with this is activated; The state information that DSLAM equipment activates to DSL trunking device transmit port through management interface, and to this DSL port startup PPP testing mechanism;
After DSL trunking device receives the state information of the DSL port activation that DSLAM equipment sends over, set up the mapping relations of physical connection between the DSLAM user port that activates and the DSL aggregator;
Do not connect if DSLAM equipment detects PPP in the given time, this DSLAM equipment sends to DSL trunking device through management interface and breaks off corresponding D SL ports physical connection requests;
DSL trunking device breaks off said access interface and converges being connected of port after receiving the request message from the disconnection port physical connection of DSLAM equipment, and the mapping relations that are connected between deletion DSL aggregator port and the DSLAM equipment physical port.
Optional, this system said DSL trunking device is after with incoming end port and pool side port conducting, and whether the circuit that also is used to detect this conducting is held equipment side to break off by the DSL subscriber, if then break off port and connect.
Optional, comprise in this system said DSL trunking device:
Switch matrix is used to realize conducting and the disconnection between said incoming end port and the pool side port;
The splitting signal detection module is used for the connection request signal that DSL subscriber's end equipment sends is detected;
The DSL port is selected control module, is used for when the DSL connection request that detects from user side, selecting to be in the DSL local side apparatus port of idle condition, and the trigger switch matrix.
Optional, the said switch matrix of this system is made up of M * N mechanical relay switch or electronic switch, and wherein N is the port number of said incoming end, and M is the port number of said pool side.
Based on above-mentioned purpose, the present invention also provides a kind of digital subscriber line DSL trunking device of realizing that the digital subscriber line trunking is shared, comprising:
Switch matrix is used to realize conducting and the disconnection between said incoming end port and the pool side port;
The splitting signal detection module is used for the connection request signal that DSL subscriber's end equipment sends is detected;
The DSL port is selected control module, is used for when the DSL connection request that detects from user side, selecting to be in the DSL local side apparatus port of idle condition, and the trigger switch matrix.
Optional, in this DSL trunking device, said switch matrix is made up of M * N mechanical relay switch or electronic switch, and wherein N is the port number of said incoming end, and M is the port number of said pool side.
Optional, in this DSL trunking device, said DSL trunking device also includes the management interface module, is connected with DSLAM equipment through management interface, is used for the mutual and bookkeeping of management information.
Optional, in this DSL trunking device, said switch matrix is connected to local side speech separator through user side twisted-pair feeder interface, and then is connected with the incoming end port, is connected to DSLAM equipment through DSLAM side twisted-pair feeder interface, and then is connected with the pool side port.
Based on above-mentioned purpose, the implementation method that the present invention also provides a kind of digital subscriber line trunking to share comprises:
Hold the digital subscriber line DSL subscriber DSL trunking device is set between equipment and the DSL local side apparatus; Each DSL subscriber holds equipment to be connected with a port of DSL trunking device incoming end; The port of DSL trunking device pool side is connected with the DSL local side apparatus, and wherein the port number of DSL trunking device incoming end is greater than the port number of pool side;
After detecting DSL link physical connection request signal, select the port of a free time in the pool side of DSL trunking device, with incoming end port and this idle port conducting of request connection; The DSL link normally activates.
Optional, this method further comprises after said conducting: whether the circuit that detects this conducting is held equipment side to break off by the DSL subscriber, if then break off port and connect.
Optional, each port of the said DSL trunking of this method device incoming end links to each other with the professional output port of the broadband access network of local side speech separator respectively, and DSL trunking device pool side port links to each other with digital subscriber link couple in multiplexer DSLAM equipment;
This method also comprises after said conducting:
DSLAM equipment sends the connection DSL subscriber and holds the DSL ports physical position of equipment and state information to give DSL trunking device; Simultaneously, DSLAM equipment starts regularly measuring ability of PPP on this port;
DSL subscriber's end equipment continues to accomplish the PPPoE dialing procedure;
DSL trunking device receives the DSL ports physical position and the state information of DSLAM equipment, sets up the DSL subscriber and holds the mapping relations between equipment side circuit and the DSLAM side line road, and upgrade the line state information of its DSLAM side;
DSL subscriber's end equipment uses broadband access network professional;
The DSL subscriber holds equipment side to break off physical connection;
The DSLAM Equipment Inspection is broken off to connecting, and transmission will be broken off the physical location information of the DSLAM port of physical connection and given DSL trunking device, and closes the PPP timing measuring ability of the incoming end port that is connected with this DSL subscriber's end equipment;
After DSL trunking device receives the physical location information of the DSLAM port that will break off physical connection of DSLAM equipment; Break off the DSL link that is connected with the DSLAM port; And upgrade the DSL subscriber and hold the mapping relations between equipment side circuit and the DSLAM side line road, the link that is connected with the DSLAM port is set to free time/off-state.
Saidly can find out from top; Realization system, equipment and method that the digital subscriber line trunking that the present invention proposes is shared; Improved the utilance of DSL local side apparatus user side physical port; Implement DSL ports share and multiplex strategy, for extensive development is saved equipment and network investment cost based on the wideband switch-in business of DSL technology.
Description of drawings
Fig. 1 is existing broadband access network structural representation based on the DSL technology;
Fig. 2 is the realization system configuration sketch map that embodiment of the invention digital subscriber line trunking is shared;
Fig. 3 is the structural representation of embodiment of the invention DSL trunking device;
Fig. 4 is the command format sketch map of embodiment of the invention port controlling agreement;
Fig. 5 is the operation flow sketch map that embodiment of the invention digital subscriber line trunking is shared the realization system.
Embodiment
With reference to the accompanying drawings the present invention is more comprehensively described, exemplary embodiment of the present invention wherein is described.
Major programme of the present invention is to hold the equipment (being called for short DSL trunking device) that increases a kind of DSL subscriber's of having trunking function between equipment and the DSL local side apparatus the DSL subscriber; Each DSL subscriber holds equipment to be connected with a port of DSL trunking device incoming end; The port of DSL trunking device pool side is connected with the DSL local side apparatus, and wherein the port number of DSL trunking device incoming end is greater than the port number of pool side.When the DSL subscriber holds the signal of device request access to arrive, the port conducting of the incoming end that the port of DSL trunking device free time of selection in the pool side is connected with this DSL subscriber's equipment.Thereby, realize sharing of DSL local side apparatus user side physical port with multiplexing.
For fear of taking port for a long time, when detect hold equipment side to break off the connection of being set up from the DSL subscriber after, DSL trunking device breaks off port and connects.The reason that this disconnection connects has a lot, such as: the user breaks off DSL CPE power supply or breaks off PPP and connects, and perhaps (as 3 minutes) do not detect data interaction in a period of time of being scheduled to, can be judged as from the DSL subscriber to hold equipment side to break off the connection of being set up.
The realization system configuration sketch map that embodiment of the invention digital subscriber line trunking is shared is referring to shown in Figure 2.Wherein, the ustomer premises access equipment in the DSL CPE corresponding diagram 1, the local side apparatus in the DSLAM equipment corresponding diagram 1, the narrowband network in PSTN switch/Access Network corresponding diagram 1.
Between the local side speech separator of local side and digital subscriber link couple in multiplexer (DSLAM) equipment, DSL trunking device of the present invention is set.N from N digital subscriber line client device (DSL CPE) inserts the local side speech separator in the local side apparatus side to telephone wire; Local side speech separator separates goes out voice service and broadband access network is professional, and voice service is connected to PSTN switch or Access Network through N to telephone wire, and broadband access network is professional to insert DSL trunking device through N to telephone wire; DSL trunking device output M is connected with the DSLAM local side apparatus telephone wire; N＞M wherein, like N=20, M=5.In addition, adopt management interface to connect between DSL trunking device and the DSLAM local side apparatus.In the present embodiment, the major function of DSL trunking device is that the N from user side is converged telephone wire.
Referring to shown in Figure 3, in the present embodiment DSL trunking device mainly comprise following functional module:
Switch matrix 301: form by M * N mechanical relay switch or electronic switch, realize that the connected sum between N user side DSL port and M the DSL local side apparatus port breaks off.
Splitting signal detection module 302: realize that the routing request signal that user side DSL CPE is sent detects;
The DSL port is selected control module 303: when the DSL routing request that detects from user side, select to be in the DSL local side apparatus port of idle condition, and the trigger switch matrix;
Optional, can also comprise the management interface module 304 that is connected with the DSL local side apparatus: this interface module 304 realizes the information transmission between DSL trunking device and the DSLAM equipment through management interface (like Ethernet interface).
The present technique scheme has two kinds of methods: a kind of is to adopt common DSL CPE; Another kind is to adopt special-purpose DSL CPE; It is to have PPP message identifying measuring ability that so-called special-purpose DSL CPE is different from common DSL CPE part, and after only detecting user's PPP message identifying, just sends the DSL CPE of DSL link physical connection request signal.Among the present invention,, no matter be special use or common DSL CPE, concerning DSL trunking device, its inter-process mechanism is duplicate.Below introduce this two kinds of methods respectively.
At first common DSL CPE is adopted in explanation.
When adopting common DSL CPE, do not need the interface module of DSL trunking device and DSL local side apparatus.Whole DSL circuit connection procedure is following:
User side DSL cpe device powers on, and carries out the request of DSL link activation;
DSL trunking device detects the link activation request signal from DSL CPE, and the trigger switch matrix carries out routing, and carries out the connection of DSL link;
The DSL link normally activates.
The DSL circuit goes connection procedure following:
The outage of DSL cpe device;
DSL trunking device detects the DSL cpe side does not have the DSL signal, triggers corresponding switch matrix and breaks off connection.
Roll off the production line for avoiding user PPP occurring, and do not break off the CPE power supply, cause DSL trunking device to keep the DSL subscriber to hold the situation of the physical connection between equipment and the DSL local side apparatus for a long time, the method that can adopt special-purpose DSL CPE and DSLAM equipment to cooperate.
Introduce the embodiment that adopts special-purpose DSL CPE below.
The function of special-purpose DSL CPE is except having common DSL CPE function; Can also realize that the PPP message identifying detects; And sending DSL link physical connection request signal, this request signal can be the pulse signal in the 25kHz～138kHz scope of certain time.
DSL trunking device detects DSL link physical connection request signal, and realizes the physical connection function of DSL link.DSLAM Equipment Control DSL trunking device is realized the disconnection that the DSL link physical connects.
The connection procedure of whole DSL circuit is following:
Special-purpose DSL cpe device powers on;
User PC carries out the PPPoE dialing;
Special-purpose DSL CPE detects the PPPoE authentication request packet, sends DSL link physical connection request signal;
DSL trunking device detects the link physical connection request signal from DSL CPE, and the trigger switch matrix carries out the physical connection of DSL link;
The DSL link normally activates;
PC continues to accomplish the PPPoE dialing procedure.
The DSL circuit go connection procedure following:
After DSLAM port activation that DSL trunking device is connected, the state information that DSLAM equipment activates to DSL trunking device transmit port through management interface, and corresponding D SL port started the PPP testing mechanism;
After DSL trunking device receives the state information of the DSL port activation that DSLAM equipment sends over, set up the mapping relations of physical connection between the DSLAM user port that activates and the DSL aggregator.
If (as 3 minutes) do not detect the PPP connection in a period of time, DSLAM equipment sends to DSL trunking device through management interface and breaks off corresponding D SL ports physical connection requests;
After DSL trunking device receives the request message from the disconnection port physical connection of DSLAM equipment, trigger the corresponding relays switch and break off physical connection, and the mapping relations that are connected between deletion DSL aggregator port and the DSLAM equipment physical port;
After the deexcitation of DSLAM port, the PPP measuring ability of the corresponding DSL port of device shutdown.
In the preferred embodiment of the present invention; A kind of port controlling agreement (Port Control Protocol) is adopted in communicating by letter between DSLAM equipment and the DSL trunking device; This agreement adopts ICP/IP protocol to carry, and is mainly used in the transmission of realization DSLAM port activation state information and the control of DSL trunking device open-circuit line physical connection.
The command format of port controlling agreement is as shown in Figure 4.
Comprise: parameters such as order serial number, command name, DSLAM IP, shelf number, frame number, slot number, port numbers.
All alternate with a space between the each several part, ending is represented with branch.The each several part implication is as shown in table 1:
| Field name | Type | Describe |
| Order serial number (INVOKEID) | Integer | Be used to identify different commands |
| Command name | Character string | The title of expression order |
| Device IP (DSLAMIP) | Character string | The management ip address of expression DSLAM equipment |
| Shelf number (RACKNO) | Integer | The shelf number at expression user port place |
| Frame number (FRMNO) | Integer | The frame number at expression user port place |
| Slot number (SLOTNO) | Integer | The slot number at expression user port place |
| Port numbers (PORTNO) | Integer | Port numbers on the expression user plate |
Table 1
The port controlling agreement mainly contains two orders, and an order is that DSLAM equipment sends to DSL trunking device with the DSL ports physical positional information that activates, and command name is " ACTIVEPORTINFO ", comprises DSL ports physical position and state information in the order; Another order is that DSLAM equipment notice DSL trunking device breaks off the physical connection of corresponding D SL port, and command name is " DISCONNECTPORT ".
Referring to shown in Figure 5; Selecting 3 DSL trunking device with one 6 below is example, and promptly 6 pairs of twisted-pair feeders get into DSL trunking devices (N=6), 3 pairs of twisted-pair feeders of DSL trunking device be connected with 3 user ports of DSLAM (M=3); Adopt the method for special-purpose DSL CPE, the whole service flow process is described.
Step 501, DSL CPE1 powers on;
Step 502, user's PC are carried out the PPPoE dialing, promptly send the PPPoE authentication request packet;
Step 503 supposes that DSL CPE1 detects the PPPoE authentication request packet, sends DSL link physical connection request signal;
Step 504, DSL trunking device detects DSL link physical connection request signal, selects the DSL port (as selecting port one) of a free time to carry out physical connection through relay switch;
Step 505, the DSL link normally activates;
Following steps 506～508 flow processs possibly carried out simultaneously:
Step 506, DSLAM equipment sends " ACTIVEPORTINFO " message and gives DSL trunking device, and this message comprises DSL ports physical position and state information; Simultaneously, DSLAM equipment starts regularly measuring ability of PPP on this port;
Step 507, PC continue to accomplish the PPPoE dialing procedure;
Step 508; DSL trunking device receives " ACTIVEPORTINFO " message of DSLAM equipment; Set up the mapping relations between cpe side circuit and the DSLAM side line road; And upgrade the line state information (circuit as being connected with port one is in connection status, and All other routes are in off-state) of its DSLAM side.
Step 509, the user uses broadband access network professional;
Step 510, the user breaks off DSL CPE power supply or breaks off PPP and connects user offline;
Step 511; The DSLAM Equipment Inspection connects to PPP breaks off; Send " DISCONNECTPORT " message and give DSL trunking device, this message comprises the physical location information of the DSLAM port that will break off physical connection, and closes the PPP timing measuring ability of corresponding port (port one);
Step 512; DSL trunking device receives " DISCONNECTPORT " of DSLAM equipment; Break off the DSL link that is connected with the DSLAM port one through relay switch; And upgrading the mapping relations between cpe side circuit and the DSLAM side line road, the link that is connected with the DSLAM port one is set to free time/off-state.
Description of the invention provides for example with for the purpose of explaining, and is not the disclosed form that exhaustively perhaps limit the invention to.A lot of modifications and variation are obvious for those of ordinary skill in the art.Selecting and describing embodiment is for better explanation principle of the present invention and practical application, thereby and makes those of ordinary skill in the art can understand the various embodiment that have various modifications that the present invention's design is suitable for special-purpose.
Claims (6)
1. the realization system shared of a digital subscriber line trunking; It is characterized in that; Hold the digital subscriber line DSL subscriber DSL trunking device is set between equipment and the DSL local side apparatus; Each DSL subscriber holds equipment to be connected with a port of DSL trunking device incoming end, and the port of DSL trunking device pool side is connected with the DSL local side apparatus, and wherein the port number of DSL trunking device incoming end is greater than the port number of pool side;
When the DSL subscriber holds the signal of device request access to arrive, the port conducting of the incoming end that the port of DSL trunking device free time of selection in the pool side is connected with this DSL subscriber's equipment;
Said each port of DSL trunking device incoming end links to each other with the professional output port of the broadband access network of local side speech separator respectively, and DSL trunking device pool side port links to each other with digital subscriber link couple in multiplexer DSLAM equipment;
Said DSL trunking device also is provided with the management interface module, is connected with DSLAM equipment through management interface, is used for the mutual and bookkeeping of management information;
Said DSL trunking device with access interface with converge the port conducting after; Converging the DSLAM port that port is connected with this is activated; DSLAM equipment passes through the state information of management interface to DSL trunking device transmission DSL ports physical positional information and port activation, and this DSL port is started the PPP testing mechanism;
After DSL trunking device receives the state information of DSL ports physical positional information that DSLAM equipment sends over and DSL port activation; The mapping relations of physical connection between DSLAM user port that foundation activates and the DSL aggregator; And set up the mapping relations between user side circuit and the DSLAM side line road, upgrade the line state information of DSLAM side;
Do not connect if DSLAM equipment detects PPP in the given time, this DSLAM equipment sends to DSL trunking device through management interface and breaks off corresponding D SL ports physical connection requests;
DSL trunking device breaks off said access interface and converges being connected of port after receiving the request message from the disconnection port physical connection of DSLAM equipment, and the mapping relations that are connected between deletion DSL aggregator port and the DSLAM equipment physical port.
2. system according to claim 1; It is characterized in that said DSL trunking device is after with incoming end port and pool side port conducting, whether the circuit that also is used to detect this conducting is held equipment side to break off by the DSL subscriber; If then break off port and connect.
3. system according to claim 1 is characterized in that, comprises in the said DSL trunking device:
Switch matrix is used to realize conducting and the disconnection between said incoming end port and the pool side port;
The splitting signal detection module is used for the connection request signal that DSL subscriber's end equipment sends is detected;
The DSL port is selected control module, is used for when the DSL connection request that detects from user side, selecting to be in the DSL local side apparatus port of idle condition, and the trigger switch matrix.
4. system according to claim 3 is characterized in that, said switch matrix is made up of M * N mechanical relay switch or electronic switch, and wherein N is the port number of said incoming end, and M is the port number of said pool side.
5. the implementation method that the digital subscriber line trunking is shared is characterized in that, comprising:
Hold the digital subscriber line DSL subscriber DSL trunking device is set between equipment and the DSL local side apparatus; Each DSL subscriber holds equipment to be connected with a port of DSL trunking device incoming end; The port of DSL trunking device pool side is connected with the DSL local side apparatus, and wherein the port number of DSL trunking device incoming end is greater than the port number of pool side;
After detecting DSL link physical connection request signal, select the port of a free time in the pool side of DSL trunking device, with incoming end port and this idle port conducting of request connection; The DSL link normally activates;
Said each port of DSL trunking device incoming end links to each other with the professional output port of the broadband access network of local side speech separator respectively, and DSL trunking device pool side port links to each other with digital subscriber link couple in multiplexer DSLAM equipment;
This method also comprises after said conducting:
DSLAM equipment sends the connection DSL subscriber and holds the DSL ports physical position of equipment and state information to give DSL trunking device; Simultaneously, DSLAM equipment starts regularly measuring ability of PPP on this port;
DSL subscriber's end equipment continues to accomplish the PPPoE dialing procedure;
DSL trunking device receives the DSL ports physical position and the state information of DSLAM equipment, sets up the DSL subscriber and holds the mapping relations between equipment side circuit and the DSLAM side line road, and upgrade the line state information of its DSLAM side;
DSL subscriber's end equipment uses broadband access network professional;
The DSL subscriber holds equipment side to break off physical connection;
The DSLAM Equipment Inspection is broken off to connecting, and transmission will be broken off the physical location information of the DSLAM port of physical connection and given DSL trunking device, and closes the PPP timing measuring ability of the incoming end port that is connected with this DSL subscriber's end equipment;
After DSL trunking device receives the physical location information of the DSLAM port that will break off physical connection of DSLAM equipment; Break off the DSL link that is connected with the DSLAM port; And upgrade the DSL subscriber and hold the mapping relations between equipment side circuit and the DSLAM side line road, the link that is connected with the DSLAM port is set to free time/off-state.
6. method according to claim 5 is characterized in that, this method further comprises after said conducting: whether the circuit that detects this conducting is held equipment side to break off by the DSL subscriber, if then break off port and connect.
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| CN102136937B (en) * | 2010-11-30 | 2013-04-17 | 华为技术有限公司 | Method, device and system for resource management of access network port |
| CN102905292B (en) | 2012-09-21 | 2015-06-10 | 中兴通讯股份有限公司 | Mobile terminal network port management method and device |
| CN102892135B (en) | 2012-10-08 | 2015-06-10 | 中兴通讯股份有限公司 | Release management method and device of mobile terminal network ports |
| WO2015154311A1 (en) * | 2014-04-11 | 2015-10-15 | 华为技术有限公司 | Digital subscriber line local-side device, terminal device and reverse power supply system |
| EP3531616B1 (en) * | 2016-11-10 | 2021-01-06 | Huawei Technologies Co., Ltd. | Cable tracing method, and customer-premises equipment |
| CN111385174A (en) * | 2018-12-29 | 2020-07-07 | 中兴通讯股份有限公司 | Network access method, device, network local side equipment and user equipment |
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| CN101114963A (en) * | 2007-08-17 | 2008-01-30 | 华为技术有限公司 | Broadband service communication method, system and device |
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| CN1852186A (en) * | 2005-09-20 | 2006-10-25 | 华为技术有限公司 | Wind-band access-in system |
| CN1863084A (en) * | 2005-12-29 | 2006-11-15 | 华为技术有限公司 | Method for implementing user loop terminal to support multiple managing channels |
| CN101114963A (en) * | 2007-08-17 | 2008-01-30 | 华为技术有限公司 | Broadband service communication method, system and device |
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