CN101188822A - Method and system for master/slave switching of interface board and its implementation interface board - Google Patents
Method and system for master/slave switching of interface board and its implementation interface board Download PDFInfo
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- CN101188822A CN101188822A CNA2007101724034A CN200710172403A CN101188822A CN 101188822 A CN101188822 A CN 101188822A CN A2007101724034 A CNA2007101724034 A CN A2007101724034A CN 200710172403 A CN200710172403 A CN 200710172403A CN 101188822 A CN101188822 A CN 101188822A
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Abstract
The embodiment of the invention discloses a main / standby switch method of an interface board, which comprises the following steps: after the link configuration information of a main interface board is received by a standby interface board, the link configuration is performed to the standby interface board according to the configuration information; after the standby interface board learns that the sending port of the main interface board is closed or the output is set as high resistance, the sending port of the standby interface board is opened; after the standby interface board learns that the receiving resistance of the main interface board is set to be infinitely great by the main interface board, the receiving resistance of the receiving port of the standby interface board is set according to the link condition. The invention also discloses a main / standby switch system of an interface board and an interface board for realizing the main / standby switch, by utilizing the embodiment of the invention, the online hot backup of the interface board can be realized, and the main / standby switch of the interface board can be realized without interrupting the external service of the interface board.
Description
Technical field
The present invention relates to communication technical field, particularly relate to method, system that interface board standby and main switches and the interface board that can realize masterslave switchover.
Background technology
Interface board is the bridge that connects BTS (Base Transceiver Station, base station transceiver) and BSC (BaseStation Controller), and deciding by the butt joint oralia is equipped with backup, can improve the reliability that is connected of BTS and BSC greatly.Carry out interface board standby and main backup in the prior art and be realizing active/standby backup by the conversion of relay.As shown in Figure 1, be the circuit theory diagrams of active/standby backup in the prior art.Whether the transmission and the reception of relay control veneer are connected on the circuit, when the veneer master uses, and the switch closure of transmitting terminal relay, make signal can be sent on the circuit, and veneer is standby the time, and the switch opens of relay disconnects being connected of transmitting terminal and circuit; When the veneer master used, the receiving terminal relay closes needed the impedance of toggle switch is manually pushed suitable value simultaneously, and veneer is standby the time, and the relay of receiving terminal needs to disconnect.Like this, (the main of relay used switch closure, and backup circuit breaker is opened; When veneer is standby, connect the main switch opens, backup circuit breaker closure used of relay.) by the folding of relay, control whether place in circuit of corresponding veneer, carry out primary and backup conversion.
There are the following problems at least in the prior art:
Adopt the folding of relay, control whether place in circuit of corresponding veneer, the mode of carrying out primary and backup conversion, the success or not of main board backup just depends on that can relay operate as normal.Realize the impedance matching of receiving terminal, just need manually go to control the folding of dialling toggle switch, occur misoperation easily.The more important thing is because the failure rate of relay and toggle switch is very high, will cause the link chain rupture in case lose efficacy.
Summary of the invention
In view of this, method, system that provides a kind of interface board standby and main to switch and the interface board that can realize masterslave switchover are provided the purpose of the one or more embodiment of the present invention, can realize the online Hot Spare of interface board, and under the situation of interrupt interface plate outward service not, carry out masterslave switchover.
For addressing the above problem, the method that the embodiment of the invention provides a kind of interface board standby and main to switch comprises step:
Spare interface board receives main with after the link configuration information of interface board, according to described configuration information described spare interface board is carried out link configuration;
Described spare interface board learns that described master turn-offs its transmit port after maybe output is set to high resistant with interface board, with opening of the transmit port of described spare interface board;
Described spare interface board according to link circuit condition, is provided with the reception impedance of spare interface board receiving port after learning that described master leads reception impedance with interface board and is set to infinity with interface board.
Also disclose the system that a kind of interface board standby and main is switched, having comprised:
Main with interface board and spare interface board, wherein, described master comprises with interface board:
Main with interface board configuration information transmitting element, be used for: send main link configuration information with interface board;
Main with interface board transmit port processing unit, be used for: described master is turn-offed maybe output with the interface board transmit port be set to high resistant;
Main with interface board receiving port processing unit, be used for: the reception impedance of leading with interface board is set to infinity;
Described spare interface board comprises:
The spare interface board dispensing unit is used for: receive the master with after the link configuration information of interface board, according to described configuration information described spare interface board is carried out link configuration;
Spare interface board transmit port processing unit is used for: learn that described master turn-offs its transmit port after maybe output is set to high resistant with interface board, with opening of the transmit port of described spare interface board;
Spare interface board receiving port processing unit is used for: after learning that described master leads reception impedance with interface board and is set to infinity with interface board, according to link circuit condition, the reception impedance of spare interface board receiving port is set.
Also disclose a kind of interface board that can realize masterslave switchover, having comprised:
The configuration information transmitting element is used for: to the link configuration information of the interface board transmission that is configured;
The configuration information receiving element is used for: the link configuration information that receives configuring interface board;
Dispensing unit is used for: according to the described link configuration information that receives, carry out link configuration;
Sending controling unit is used for: after other interface boards send link configuration information, described interface board transmit port is turn-offed maybe output be set to high resistant; Or
Go forward side by side after the line link configuration according to the described link configuration information that receives, described interface board transmit port is opened;
Receive impedance matching unit, be used for: after the link configuration information that other interface boards send, receive impedance and be set to infinity; Or
Go forward side by side after the line link configuration according to the described link configuration information that receives,, the reception impedance is set according to link circuit condition.
Also disclose a kind of interface board that can realize masterslave switchover, having comprised:
The second configuration information transmitting element is used for: to the link configuration information of the interface board transmission that is configured;
Second sending controling unit is used for: after other interface boards send link configuration information, described interface board transmit port is turn-offed maybe output be set to high resistant;
Second receives impedance matching unit, is used for: after the link configuration information that other interface boards send, receive impedance and be set to infinity.
Also disclose a kind of interface board that can realize masterslave switchover, having comprised:
The second configuration information receiving element is used for: the link configuration information that receives configuring interface board;
Second dispensing unit is used for: according to the described link configuration information that receives, carry out link configuration;
The 3rd sending controling unit is used for: go forward side by side after the line link configuration according to the described link configuration information that receives, described interface board transmit port is opened;
The 3rd receives impedance matching unit, is used for: go forward side by side after the line link configuration according to the described link configuration information that receives, according to link circuit condition, the reception impedance is set.
Compared with prior art, the embodiment of the invention has the following advantages:
Main by adopting spare interface board to receive with after the link configuration information of interface board, after according to described configuration information described spare interface board being carried out link configuration, respectively with described main with the shutoff of interface board transmit port maybe output be set to high resistant, opening with the transmit port of described spare interface board; And after main reception impedance with interface board correspondingly is set is set to infinity, the reception impedance of spare interface board receiving port is set.Can realize the online Hot Spare of interface board, and under the situation of interrupt interface plate outward service not, carry out masterslave switchover.
Description of drawings
Shown in Figure 1, be the circuit theory diagrams of active/standby backup in the prior art;
Shown in Figure 2, be the flow chart of first embodiment of method of the present invention;
Shown in Figure 3, be the block diagram of second embodiment of method of the present invention;
Shown in Figure 4, second embodiment impedance matching circuit of method of the present invention block diagram;
Shown in Figure 5, be the flow chart of second embodiment of method of the present invention;
Shown in Figure 6, be the block diagram of first embodiment of the interface board standby and main of the present invention system of switching;
Shown in Figure 7, be the block diagram of first embodiment of the interface board that can realize masterslave switchover of the present invention;
Shown in Figure 8, be the block diagram of another embodiment of the interface board that can realize masterslave switchover of the present invention;
Shown in Figure 9, be the block diagram of another embodiment of the interface board that can realize masterslave switchover of the present invention.
Embodiment
Below in conjunction with accompanying drawing the specific embodiment of the invention is done further and to be elaborated.
As shown in Figure 2, be the flow chart of first embodiment of method of the present invention, comprise step:
S201, spare interface board receive main with after the link configuration information of interface board, according to described configuration information described spare interface board are carried out link configuration;
S202, described spare interface board learn that described master turn-offs its transmit port after maybe output is set to high resistant with interface board, with opening of the transmit port of described spare interface board;
S203, described spare interface board according to link circuit condition, are provided with the reception impedance of spare interface board receiving port after learning that described master leads reception impedance with interface board and is set to infinity with interface board.
The embodiment of the invention is main with after the link configuration information of interface board by adopting spare interface board to receive, after according to described configuration information described spare interface board being carried out link configuration, respectively with described main with the shutoff of interface board transmit port maybe output be set to high resistant, opening with the transmit port of described spare interface board; And after main reception impedance with interface board correspondingly is set is set to infinity, the reception impedance of spare interface board receiving port is set.Can realize the online Hot Spare of interface board, and under the situation of interrupt interface plate outward service not, carry out masterslave switchover.
As shown in Figure 3, be the two connection block diagrams that can do the active and standby interface board of switching, comprise the main interface board of using, spare interface board, active and standby interface board all comprises sending controling circuit and receives impedance matching circuit, interconnect signal is a connection signal common between the active and standby plate between plate, is mainly used to transmit configuration data and control information between the active and standby plate; Though the output control circuit of transmitting terminal is oneself to be controlled by each veneer, but active and standby plate can not enable output simultaneously, have only as the interface board of main board and can export, and be merely able to forbid output as the interface board of standby plate, under any circumstance can not export simultaneously to guarantee the two.Receiving impedance matching circuit is used for making reception impedance and interface board to realize impedance matching, receiving impedance matching circuit also is oneself to be controlled by each veneer, all be fine no matter use main board or standby plate to do the coupling that receives impedance in principle, but in order to realize for simplicity, we can be constrained to the interface board of doing main board and do impedance matching, and the matched impedance of standby plate is infinitely great.
Shown in Figure 4 is second embodiment impedance matching circuit of method of the present invention block diagram, what use among the present invention is a kind of electronic switch, electronic switch is by the folding relation of control signal A, control signal B and control signal C, reach and adjust the resistance value that receives link, to reach impedance matching effect.Described electronic switch all is connected with the receiving circuit of interface board.
Shown in Figure 5, be the flow chart of second embodiment of method of the present invention, comprise step:
S501, the transmission link of leading with interface board are set to normal output, and the output of the transmission link of spare interface board is set to high resistant;
S502, the reception impedance of leading with interface board are set to suitable value, and the reception impedance of spare interface board is set to infinity; In addition, in other embodiment, active and standby with the interface board also data of normal receiving lines simultaneously;
S503, main with interface board the configuration information of link by having the spare interface board that sends to of interconnect signal between plate between the interface board now;
S504, spare interface board are received from leading with behind the next configuration information of interface board, are utilized described configuration information that spare interface board is carried out link configuration;
S505, main with interface board the transmit port of this plate turn-offed maybe output and be set to high resistant, the method that is provided with can be by the transmit control register of E1/T1 framing chip is set, also can be to use electronic switch will send link and disconnect, can prevent that so main output with interface board from exerting an influence to circuit;
The output of S506, spare interface board is set to normal condition, opens the transmit port of spare interface board;
S507, will lead with the reception impedance matching switch of interface board and all open, make it receive the impedance infinity, simultaneously with the impedance matching switch opens of spare interface board, be set to suitable reception impedance, realized the zero TOUCH (zero contact) of impedance matching like this, just need not be as using prior art, the mode that need manually stir toggle switch realizes impedance matching.
By above step, with on the interface board spare interface board being upgraded to main usefulness, the master reduces to standby with interface board as the master who controls a side, has realized active and standby hot-swap with interface board.Online Hot Spare and the non-interrupting service that can realize interface board carry out masterslave switchover.
Wherein, in the various embodiments described above, impedance matching circuit can be accomplished in several ways, and for example can adopt the electronic switch shown in figure four to realize, is not limited to the mode of described electronic switch certainly.Utilize electronic switch, can realize the impedance matching of E1/T1 link by zero contact, its specific implementation is as follows:
If 1 reception link is the E1 twisted-pair feeder, then receive impedance and be set to 120ohm, then control signal C is with switch closure, and control signal A, B are set to 120ohm with switch opens with its impedance for matching simultaneously;
If 2 reception links are E1 coaxial lines, then receive impedance and be set to 75ohm, control signal A, B, C are set to 75ohm simultaneously with switch closure with its impedance for matching;
If 3 reception links are T1 twisted-pair feeders, then receive impedance and be set to 100ohm, control signal A, C are simultaneously with switch closure, and control signal B is set to 100ohm with switch opens with its impedance for matching.
Certainly; in 3 kinds of above-mentioned modes; the regulation that concrete impedance matching value is based on the correlation technique standard is provided with; if the correlation technique standard changes from now on; perhaps need be at other applications each embodiment of the present invention; also can utilize embodiments of the invention, the impedance matching value is set to other value, and this does not exceed protection scope of the present invention.Certainly, if in actual applications, numerical value has had certain deviation, so long as in allowed limits, all is normal.Do not influence the realization of technique effect of the present invention.
E1/T1 refers to the coded system of circuit, impedance matching refer to be the E1/T1 circuit at receiving terminal, for reaching the reception impedance that good reception is provided with, it changes according to the line cord that uses is different, and above three kinds of situations are provided among the present invention.For the those skilled in the art, can understand that embodiments of the invention can be selected suitable impedance matching implementation in other application scenario, this does not exceed protection scope of the present invention.
Present embodiment is realized the impedance matching of E1/T1 receiving circuit by utilizing electronic switch, does not carry out impedance matching and do not need the scene to stir toggle switch, has just realized the impedance matching of E1/T1 receiving circuit by zero contact.
As shown in Figure 6, be the block diagram of first embodiment of the interface board standby and main of the present invention system of switching, comprising: main with interface board and spare interface board, wherein, mainly comprise with interface board:
Main with interface board configuration information transmitting element 601, be used for: send main link configuration information with interface board;
Main with interface board transmit port processing unit 603, be used for: described master is turn-offed maybe output with the interface board transmit port be set to high resistant;
Main with interface board receiving port processing unit 605, be used for: the reception impedance of leading with interface board is set to infinity;
Wherein, spare interface board comprises:
Spare interface board dispensing unit 602 is used for: receive the master with after the link configuration information of interface board, according to described configuration information described spare interface board is carried out link configuration;
Spare interface board transmit port processing unit 604 is used for: learn that described master turn-offs its transmit port after maybe output is set to high resistant with interface board, with opening of the transmit port of described spare interface board;
Spare interface board receiving port processing unit 606 is used for: after learning that described master leads reception impedance with interface board and is set to infinity with interface board, according to link circuit condition, the reception impedance of spare interface board receiving port is set.
The embodiment of the invention is main with after the link configuration information of interface board by adopting spare interface board to receive, after according to described configuration information described spare interface board being carried out link configuration, respectively with described main with the shutoff of interface board transmit port maybe output be set to high resistant, opening with the transmit port of described spare interface board; And after main reception impedance with interface board correspondingly is set is set to infinity, the reception impedance of spare interface board receiving port is set.Can realize the online Hot Spare of interface board, and under the situation of interrupt interface plate outward service not, carry out masterslave switchover.The interface board of energy masterslave switchover of the present invention is mainly used in base station and the base station controller, also is not limited thereto in two kind equipments certainly.
Wherein, in the above-described embodiments, described spare interface board receiving port processing unit can comprise:
E1 twisted-pair feeder processing unit, be used for: for receiving link is the E1 twisted-pair feeder, then receive impedance and be set to 120ohm, if the electronic switch that uses in the foregoing description, then can be with control signal C with switch closure, control signal A, B are set to 120ohm with switch opens with its impedance for matching simultaneously.
Wherein, in the above-described embodiments, described spare interface board receiving port processing unit can comprise:
E1 coaxial line processing unit, be used for: if receive link is the E1 coaxial line, then receives impedance and is set to 75ohm, if the electronic switch that uses in the foregoing description, then can be set to 75ohm with its impedance for matching with control signal A, B, C simultaneously with switch closure.
Wherein, in the above-described embodiments, described spare interface board receiving port processing unit can comprise:
T1 twisted-pair feeder processing unit, be used for: if receive link is the T1 twisted-pair feeder, then will receive impedance 100ohm will be set, if the electronic switch that uses in the foregoing description, then can be with control signal A, C simultaneously with switch closure, control signal B is set to 100ohm with switch opens with its impedance for matching.
Present embodiment is realized the impedance matching of E1/T1 receiving circuit by utilizing electronic switch, does not carry out impedance matching and do not need the scene to stir toggle switch, has just realized the impedance matching of E1/T1 receiving circuit by zero contact.
As shown in Figure 7, be first embodiment block diagram that can realize the interface board of masterslave switchover of the present invention, comprising:
Configuration information transmitting element 701 is used for: to the link configuration information that the interface board that is configured sends, the interface board that receives configuration information is configured according to configuration information;
Configuration information receiving element 702 is used for: receive the link configuration information of configuring interface board, configuring interface board sends to the interface board that need be configured with configuration information, to be used to indicating it to be configured according to configuration information; Interface board in the embodiment of the invention promptly can send to the configuration information of self interface board that is configured, and indication is configured interface board and himself is configured being used for according to configuration information; Also can receive the configuration information of configuring interface board, self is configured;
Sending controling unit 704 is used for: after other interface boards send link configuration information, described interface board transmit port is turn-offed maybe output be set to high resistant; Or
Go forward side by side after the line link configuration according to the described link configuration information that receives, described interface board transmit port is opened;
Receive impedance matching unit 705, be used for: after the link configuration information that other interface boards send, receive impedance and be set to infinity; Or
Go forward side by side after the line link configuration according to the described link configuration information that receives,, the reception impedance is set according to link circuit condition.
The interface board that utilizes the embodiment of the invention to provide, can externally send link configuration information, indicate other interface boards to carry out link configuration, or after receiving the link configuration information of other interface boards, be configured according to described configuration information, and correspondingly, utilize sending controling unit and receive impedance matching unit, corresponding control is carried out in input and output to current interface board, to realize switching to another interface board or opposite from current interface board.
Wherein, in the above-described embodiments, described reception impedance matching unit comprises:
The E1 twisted-pair feeder is handled subelement, is used for: if receive link is the E1 twisted-pair feeder, receives impedance and is set to 120ohm.
Wherein, in the above-described embodiments, described spare interface board receiving port processing unit comprises:
The E1 coaxial line is handled subelement, is used for: if receive link is the E1 coaxial line, receives impedance and is set to 75ohm.
Wherein, in the above-described embodiments, described reception impedance matching unit comprises:
T1 twisted-pair feeder processing unit is used for: if receive link is the T1 twisted-pair feeder, receives impedance and is set to 100ohm.
As shown in Figure 8, be the block diagram of another embodiment of the interface board that can realize masterslave switchover of the present invention, comprising:
The second configuration information transmitting element 801 is used for: to the link configuration information of the interface board transmission that is configured;
Second sending controling unit 802 is used for: after other interface boards send link configuration information, described interface board transmit port is turn-offed maybe output be set to high resistant;
Second receives impedance matching unit 803, is used for: after the link configuration information that other interface boards send, receive impedance and be set to infinity.
As shown in Figure 9, be the block diagram of another embodiment of the interface board that can realize masterslave switchover of the present invention, comprising:
The second configuration information receiving element 901 is used for: the link configuration information that receives configuring interface board;
The 3rd sending controling unit 903 is used for: go forward side by side after the line link configuration according to the described link configuration information that receives, described interface board transmit port is opened;
The 3rd receives impedance matching unit 904, is used for: go forward side by side after the line link configuration according to the described link configuration information that receives, according to link circuit condition, the reception impedance is set.
Above-mentioned interface board can be applicable to also can be applicable in the communication apparatus of other suitable masterslave switchovers among BTS or the BSC.
Accordingly, the embodiment of the invention also discloses a kind of communication apparatus that adopts the interface board in the foregoing description, this communication apparatus can be BTS or BSC, also can be the communication apparatus that other adopt this interface board.For the those skilled in the art, the interface board among above-mentioned each embodiment can be applied to go in the corresponding communication apparatus, this does not exceed protection scope of the present invention.
Through the above description of the embodiments, the those skilled in the art can be well understood to the present invention and can realize by the mode that software adds essential general hardware platform, can certainly pass through hardware, but the former is better execution mode under a lot of situation.Based on such understanding, the part that technical scheme of the present invention contributes to prior art in essence in other words can embody with the form of software product, this computer software product is stored in the storage medium that can read, floppy disk as computer, hard disk or CD etc., comprise some instructions with so that computer equipment (can be personal computer, server, the perhaps network equipment etc.) carry out the described method of each embodiment of the present invention.
Above-described embodiment of the present invention does not constitute the qualification to protection range of the present invention.Any modification of being done within the spirit and principles in the present invention, be equal to and replace and improvement etc., all should be included within protection scope of the present invention.
Claims (10)
1. the method that interface board standby and main is switched is characterized in that, comprises step:
Spare interface board receives main with after the link configuration information of interface board, according to described configuration information described spare interface board is carried out link configuration;
Described spare interface board learns that described master turn-offs its transmit port after maybe output is set to high resistant with interface board, with opening of the transmit port of described spare interface board;
Described spare interface board according to link circuit condition, is provided with the reception impedance of spare interface board receiving port after learning that described master leads reception impedance with interface board and is set to infinity with interface board.
2. the method that interface board standby and main as claimed in claim 1 is switched is characterized in that, the described reception impedance step that the spare interface board receiving port is set according to link circuit condition is specially:
If receiving link is the E1 twisted-pair feeder, being provided with and receiving impedance is 120ohm; Or
If receiving link is the E1 coaxial line, the reception impedance is set is made as 75ohm; Or
If receiving link is the T1 twisted-pair feeder, being provided with and receiving impedance is 100ohm.
3. the method that interface board standby and main as claimed in claim 1 is switched is characterized in that, uses electronic switch that the reception impedance of described spare interface board receiving port is set.
4. the system that interface board standby and main is switched is characterized in that, comprising:
Main with interface board and spare interface board, wherein, described master comprises with interface board:
Main with interface board configuration information transmitting element, be used for: send main link configuration information with interface board;
Main with interface board transmit port processing unit, be used for: described master is turn-offed maybe output with the interface board transmit port be set to high resistant;
Main with interface board receiving port processing unit, be used for: the reception impedance of leading with interface board is set to infinity;
Described spare interface board comprises:
The spare interface board dispensing unit is used for: receive the master with after the link configuration information of interface board, according to described configuration information described spare interface board is carried out link configuration;
Spare interface board transmit port processing unit is used for: learn that described master turn-offs its transmit port after maybe output is set to high resistant with interface board, with opening of the transmit port of described spare interface board;
Spare interface board receiving port processing unit is used for: after learning that described master leads reception impedance with interface board and is set to infinity with interface board, according to link circuit condition, the reception impedance of spare interface board receiving port is set.
5. the system that interface board standby and main as claimed in claim 4 is switched is characterized in that, described spare interface board receiving port processing unit comprises:
E1 twisted-pair feeder processing unit is used for: if receive link is the E1 twisted-pair feeder, receives impedance and is set to 120ohm; Or
E1 coaxial line processing unit is used for: if receive link is the E1 coaxial line, receives impedance and is set to 75ohm; Or
T1 twisted-pair feeder processing unit is used for: if receive link is the T1 twisted-pair feeder, receives impedance and is set to 100ohm.
6. the interface board that can realize masterslave switchover is characterized in that, comprising:
The configuration information transmitting element is used for: to the link configuration information of the interface board transmission that is configured;
The configuration information receiving element is used for: the link configuration information that receives configuring interface board;
Dispensing unit is used for: according to the described link configuration information that receives, carry out link configuration;
Sending controling unit is used for: after other interface boards send link configuration information, described interface board transmit port is turn-offed maybe output be set to high resistant; Or
Go forward side by side after the line link configuration according to the described link configuration information that receives, described interface board transmit port is opened;
Receive impedance matching unit, be used for: after the link configuration information that other interface boards send, receive impedance and be set to infinity; Or
Go forward side by side after the line link configuration according to the described link configuration information that receives,, the reception impedance is set according to link circuit condition.
7. the interface board that can realize masterslave switchover as claimed in claim 6 is characterized in that, described reception impedance matching unit comprises:
The E1 twisted-pair feeder is handled subelement, is used for: if peripheral link is the E1 twisted-pair feeder, receives impedance and be set to 120ohm; Or
The E1 coaxial line is handled subelement, is used for: if peripheral link is the E1 coaxial line, receives impedance and be set to 75ohm; Or
T1 twisted-pair feeder processing unit is used for: if peripheral link is the T1 twisted-pair feeder, receives impedance and be set to 100ohm.
8. the interface board that can realize masterslave switchover is characterized in that, comprising:
The second configuration information transmitting element is used for: to the link configuration information of the interface board transmission that is configured;
Second sending controling unit is used for: after other interface boards send link configuration information, described interface board transmit port is turn-offed maybe output be set to high resistant;
Second receives impedance matching unit, is used for: after the link configuration information that other interface boards send, receive impedance and be set to infinity.
9. the interface board that can realize masterslave switchover is characterized in that, comprising:
The second configuration information receiving element is used for: the link configuration information that receives configuring interface board;
Second dispensing unit is used for: according to the described link configuration information that receives, carry out link configuration;
The 3rd sending controling unit is used for: go forward side by side after the line link configuration according to the described link configuration information that receives, described interface board transmit port is opened;
The 3rd receives impedance matching unit, is used for: go forward side by side after the line link configuration according to the described link configuration information that receives, according to link circuit condition, the reception impedance is set.
10. a communication apparatus is characterized in that, comprises any described interface board as claim 6-9.
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| Application Number | Priority Date | Filing Date | Title |
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| CN2007101724034A CN101188822B (en) | 2007-12-13 | 2007-12-13 | Method and system for master/slave switching of interface board and its implementation interface board |
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| CN2007101724034A CN101188822B (en) | 2007-12-13 | 2007-12-13 | Method and system for master/slave switching of interface board and its implementation interface board |
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| CN101188822A true CN101188822A (en) | 2008-05-28 |
| CN101188822B CN101188822B (en) | 2010-09-08 |
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| CN101895451A (en) * | 2010-05-25 | 2010-11-24 | 中兴通讯股份有限公司 | Impedance matching method and device |
| CN102332989A (en) * | 2011-06-21 | 2012-01-25 | 杭州华三通信技术有限公司 | Method for sending configuration information and service boards |
| CN102355370A (en) * | 2011-10-10 | 2012-02-15 | 瑞斯康达科技发展股份有限公司 | Method for Ethernet board-level protection, device and system |
| WO2019201124A1 (en) * | 2018-04-20 | 2019-10-24 | 华为技术有限公司 | Communication method and device for executing master-standby switching using electronic switch |
| CN113759862A (en) * | 2020-06-05 | 2021-12-07 | 北京广利核系统工程有限公司 | Signal switching device and signal control method |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100539509C (en) * | 2003-10-16 | 2009-09-09 | 华为技术有限公司 | Masterslave switchover implementation method towards high-end switch |
| CN1588818A (en) * | 2004-08-18 | 2005-03-02 | 北京首信股份有限公司 | Method and device for realizing master and spare unit convertion on exchange port of exchanger |
| CN100514877C (en) * | 2006-08-25 | 2009-07-15 | 华为技术有限公司 | Spare system, method and its back board of relay interface |
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2007
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| CN101895451A (en) * | 2010-05-25 | 2010-11-24 | 中兴通讯股份有限公司 | Impedance matching method and device |
| CN102332989A (en) * | 2011-06-21 | 2012-01-25 | 杭州华三通信技术有限公司 | Method for sending configuration information and service boards |
| CN102332989B (en) * | 2011-06-21 | 2014-12-24 | 杭州华三通信技术有限公司 | Method for sending configuration information and service boards |
| CN102355370A (en) * | 2011-10-10 | 2012-02-15 | 瑞斯康达科技发展股份有限公司 | Method for Ethernet board-level protection, device and system |
| CN102355370B (en) * | 2011-10-10 | 2014-10-29 | 瑞斯康达科技发展股份有限公司 | Method for Ethernet board-level protection, device and system |
| WO2019201124A1 (en) * | 2018-04-20 | 2019-10-24 | 华为技术有限公司 | Communication method and device for executing master-standby switching using electronic switch |
| CN113759862A (en) * | 2020-06-05 | 2021-12-07 | 北京广利核系统工程有限公司 | Signal switching device and signal control method |
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