CN105577389A - Interface card and control method - Google Patents
Interface card and control method Download PDFInfo
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- CN105577389A CN105577389A CN201410554048.7A CN201410554048A CN105577389A CN 105577389 A CN105577389 A CN 105577389A CN 201410554048 A CN201410554048 A CN 201410554048A CN 105577389 A CN105577389 A CN 105577389A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L12/00—Data switching networks
- H04L12/64—Hybrid switching systems
- H04L12/6418—Hybrid transport
Abstract
The invention discloses an interface card. The interface card comprises an interface card backboard module, a control module, a local CPU module, a service processing module and an external communication interface, wherein the interface card backboard module is connected with a line card motherboard of a gathering device or a backboard of an access device, and comprises a state interface, a control interface and a service interface; the control module determines whether the interface card backboard module is connected with the line card motherboard of the gathering device or the backboard of the access device according to a frame type indication signal obtained by the state interface; if the interface card backboard module is connected with the line card motherboard of the gathering device, a control channel of a service channel is switched to an external control channel; and if the interface card backboard module is connected with the backboard of the access device, the control channel of the service channel is switched to a local control channel. The invention also discloses a control method.
Description
Technical field
The present invention relates to data communication field, particularly relate to a kind of interface card and control method.
Background technology
At present, IPRAN network generally comprises backbone network, metropolitan area network, Access Network three part.Communications equipment manufacturer is proposed different series of products separately for this three packet network, to meet the demand of distinct device.Such as, for backbone network, launched surface is to the interface card of the core convergence device of IPRAN, and for Access Network, launched surface is to the interface card of the access device of the dark frame of the 300mm in the access device of IPRAN.But, because two kinds of equipment are physically mutually incompatible, so in the face of distinct device interface card can not exchange use, that is same interface card cannot compatible core convergence device and access device.
Summary of the invention
In view of this, the embodiment of the present invention is expected to provide a kind of interface card and control method, to realize the compatibility of interface card for core convergence device and access device.
For achieving the above object, technical scheme of the present invention is achieved in that
First aspect, the embodiment of the present invention provides a kind of interface card, comprising: interface card backboard template, control module, local cpu module, Service Processing Module and external communication interface; Described interface card rear panel module is used for being connected with convergence device line card motherboard or access device backboard; Described interface card rear panel module comprises: state interface, control interface, business interface; Described business interface is connected with described Service Processing Module, and described Service Processing Module is connected with described external communication interface, forms the service channel of described interface card; Described control interface is connected with described control module, forms the external control passage of described interface card; Described control module and described local cpu model calling, form the local channel control of described interface card; Described control module is also connected with described state interface and described Service Processing Module respectively; Wherein, described control module is used for obtaining housing types index signal by described state interface; Based on described housing types index signal, determine that described interface card rear panel module current and described convergence device line card motherboard is connected; The control channel of described service channel is switched to described external control passage, by described external control passage, initial configuration is carried out to described Service Processing Module to enable described convergence device line card motherboard; Also for based on described housing types index signal, determine that the current and described access device backboard of described interface card rear panel module is connected; The control channel of described service channel is switched to described local channel control, by described local channel control, initial configuration is carried out to described Service Processing Module to make described local cpu module.
Further, described interface card backboard template also comprises: out-of-band communication interface, with described local cpu model calling, forms the out of band communication channel of described interface card.
Further, described interface card also comprises: bridge module, respectively with described control interface and described control model calling, forms described external control passage.
Further, when described control interface is PCI-E interface, described control module comprises: first interface modular converter, the second interface modular converter, LBS handover module and reset circuit module; Wherein, described bridge module is connected with described first interface modular converter; Described first interface modular converter is connected with described LBS handover module; Described LBS handover module is connected with described second interface modular converter, described state interface and described Service Processing Module respectively; Described second interface modular converter and described local cpu model calling; Described reset circuit module is connected with described bridge module, described first interface modular converter, described second interface modular converter, described LBS handover module, described local cpu module and state interface respectively.
Second aspect, the embodiment of the present invention provides a kind of control method, is applied to an interface card, and described interface card comprises interface card backboard template, control module, local cpu module and Service Processing Module; Described interface card rear panel module comprises: state interface, control interface, business interface; Described control module is connected with described control interface, forms the external control passage of described interface card; Described control module and described local cpu model calling, form the local channel control of described interface card; Described Service Processing Module is connected with described business interface, forms the service channel of described interface card; Described method comprises: described control module obtains housing types index signal by described state interface; Based on described housing types index signal, described control module determines that described interface card rear panel module current and described convergence device line card motherboard is connected after, the control channel of described service channel is switched to described external control passage, by described external control passage, initial configuration is carried out to described Service Processing Module to enable described convergence device line card motherboard; Based on described housing types index signal, described control module determines that the current and described access device backboard of described interface card rear panel module is connected after, the control channel of described service channel is switched to described local channel control, by described local channel control, initial configuration is carried out to described Service Processing Module to make described local cpu module.
Further, the control channel of described service channel is switched to described external control passage by described control module, comprise: described control module controls described local cpu module resets, and control described Service Processing Module go reset, so that the control channel of described service channel is switched to described external control passage.
Further, described interface card also comprises bridge module, is arranged in described external control passage, and is connected with described control interface and described control module respectively; The control channel of described service channel is switched to described external control passage by described control module, comprise: described control module controls described local cpu module resets, and control described bridge module and described Service Processing Module and go to reset, so that the control channel of described service channel is switched to described external control passage.
Further, the control channel of described service channel is switched to described local channel control by described control module, comprise: described control module controls described local cpu module and described Service Processing Module goes to reset, so that the control channel of described service channel is switched to described local channel control.
Further, described interface card also comprises bridge module, is arranged in described external control passage, and is connected with described control interface and described control module respectively; The control channel of described service channel is switched to described local channel control by described control module, comprise: described control module controls described local cpu module and described Service Processing Module goes to reset, and control the reset of described bridge module, so that the control channel of described service channel is switched to described external control passage.
Embodiments provide a kind of interface card and control method, interface card comprises; For the interface card backboard template, control module, local cpu module, Service Processing Module and the external communication interface that are connected with convergence device line card motherboard or access device backboard; Interface card rear panel module comprises: state interface, control interface and business interface; Wherein, the housing types index signal determination interface card rear panel module that obtains according to state interface of control module is current is connected with convergence device line card motherboard or is connected with access device backboard; If be connected with convergence device line card motherboard, then the control channel of service channel is switched to external control passage; If be connected with access device backboard, then the control channel of service channel is switched to local channel control, that is, what the housing types index signal that control module can send according to state interface determined current connection is any equipment, and then select corresponding control channel to carry out initial configuration, so, the compatibility of interface card for core convergence device and access device is achieved.
Accompanying drawing explanation
Fig. 1 is the structural representation of the interface card in the embodiment of the present invention;
Fig. 2 is the annexation schematic diagram of convergence device line card motherboard in the embodiment of the present invention and interface card;
Fig. 3 is the annexation schematic diagram of access device backboard in the embodiment of the present invention and interface card;
Fig. 4 is the schematic diagram of control interface in the embodiment of the present invention and the connected mode between control module;
Fig. 5 is the workflow schematic diagram of the interface card in the embodiment of the present invention;
Fig. 6 is the structural representation of interface card when control interface is PCI-E interface in the embodiment of the present invention;
Fig. 7 is the workflow schematic diagram of interface card when control interface is PCI-E interface in the embodiment of the present invention;
Fig. 8 is the schematic flow sheet of the control method in the embodiment of the present invention.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is clearly and completely described.
Embodiments provide a kind of interface card, this card can be inserted on convergence device line card motherboard, also can be inserted on access device backboard.
Fig. 1 is the structural representation of the interface card in the embodiment of the present invention, and shown in figure 1, this interface card comprises: interface card backboard template 11, control module 12, local cpu module 13, Service Processing Module 14 and external communication interface 15; Wherein, interface card rear panel module 11 is for being connected with convergence device line card motherboard or access device backboard; Interface card rear panel module comprises: state interface 111, control interface 112, business interface 113.
In the present embodiment, business interface 113 is connected with Service Processing Module 14, and Service Processing Module 14 is connected with external communication interface 15, and like this, business interface 113, Service Processing Module 14 and external communication interface 15 form the service channel of interface card;
Control interface 112 is connected with control module 12, forms the external control passage of interface card; Control module 12 is connected with local cpu module 13, forms the local channel control of interface card; Control module is also connected with state interface 111 and Service Processing Module 14 respectively.
After interface card inserts convergence device or access device, first, interface card rear panel module 11 is connected with convergence device line card motherboard or access device backboard, now, interface card rear panel module 11 obtains housing types index signal by convergence device line card motherboard or access device backboard, such as, when interface card rear panel module 11 is connected with convergence device line card motherboard, the housing types index signal that state interface 111 obtains is 0, and interface card rear panel module 11 is when being connected with access device backboard, the housing types index signal that state interface 111 obtains is 1.
Then, control module 12 is connected with convergence device line card motherboard based on housing types index signal determination interface card rear panel module 11 is current or is connected with access device backboard; If determine, interface card rear panel module 11 is current is connected with convergence device line card, so, the control channel of the service channel of interface card is switched to external control passage by control module 12, like this, convergence device line card motherboard just can by external control channel access to Service Processing Module 14, and initial configuration is carried out to it, now, local channel control is not enabled; If determine, interface card rear panel module 11 is current is connected with access device backboard, so, the control channel of the service channel of interface card is switched to local channel control by control module 12, like this, local cpu module 13 just can carry out initial configuration to Service Processing Module 14 by local channel control, now, external control passage is not enabled.
Finally, after Service Processing Module 14 initialization is complete, interface card is started working.
It should be noted that, still with reference to figure 1, interface card also comprises clock module 16 and power module 17, also comprises clock interface 114 and power interface 115 in interface card rear panel module 11; Clock module 16 is connected with clock interface, with lock in time; Power module 17 and power interface 115 are powered.
Fig. 2 is the annexation schematic diagram of convergence device line card motherboard in the embodiment of the present invention and interface card, and shown in Figure 2, the service channel of interface card 1 is connected with motherboard 2 by interface card rear panel module; At up direction, the service message that the business interface that motherboard daughtercard interface module 21 receives interface card sends, and carry out buffer memory reprocessing by motherboard business module 22, and business forwarding channel is provided, make service message normally be sent to motherboard chassis backplane interface module 23; At down direction, motherboard chassis backplane interface module 23 receives and processes the service message sent from convergence device crosspoint, mails to motherboard daughtercard interface module 21 after tabling look-up by business forwarding channel, and is handed down to corresponding interface card;
The external control passage of interface card 1 is connected with motherboard 2 by interface card rear panel module, motherboard CPU module 24 is connected with convergence device central control unit by motherboard chassis backplane interface module 23, also by controlling the external control channel connection of the external control channel of motherboard that Switching Module 25 and motherboard daughtercard interface module 21 form and interface card 1, to be configured and condition monitoring by the Service Processing Module of external control passage docking port card 1.
Fig. 3 is the annexation schematic diagram of access device backboard in the embodiment of the present invention and interface card, and shown in Figure 3, the service channel of interface card 1 is connected with access device chassis backplane 2 by interface card rear panel module; Service Processing Module receives service message from external communication interface module and carries out buffer memory and corresponding Message processing, then, access device chassis backplane 2 is issued by interface card rear panel module by service channel, and be transmitted to access device crosspoint 31 by access device chassis backplane 2, access device crosspoint 3 is after receiving service message, outgoing direction interface card is forwarded to according to the header contents of message, the outbound port finding message corresponding after the Service Processing Module of outgoing direction interface card carries out respective handling, and message is sent from corresponding ports;
The local cpu module of interface card 1 is all connected by out of band communication channel with access device central control unit 32, interface card 1 is first by the driver software of this passage loading interface card, local cpu module runs this program, and is managed for configuration Service Processing Module.Access device central control unit 32 carries out protocol massages transmitting-receiving by the local cpu module of out of band communication channel and interface card 1, obtains the running status message etc. of interface card 1.
In actual applications, shown in Figure 1, control module 12 resets by controlling local cpu module 13, and service control processing module 14 goes to reset, and realizes the control channel of the service channel of interface card to switch to external control passage; Control module 12 goes to reset by control local cpu module 13 and Service Processing Module 14, realizes the control channel of service channel to switch to local channel control.
In another embodiment, Fig. 4 is the schematic diagram of control interface in the embodiment of the present invention and the connected mode between control module, and shown in Figure 4, interface card also comprises: bridge module 18, be connected with control interface 112 and control module 12 respectively, form the external control passage of interface card.
Accordingly, control module 12 can reset by controlling local cpu module 13, and controls bridge module 18 and Service Processing Module 14 goes to reset, and realizes the control channel of service channel to switch to external control passage; Control module 12 controls local cpu module 13 and Service Processing Module 14 and goes to reset, and controls bridge module 18 and reset, and realizes the control channel of service channel to switch to external control passage.
Further, still shown in Figure 1, interface card backboard template 11 also comprises: out-of-band communication interface 116, is connected with local cpu module 13, forms the out of band communication channel of interface card.And if only if, and interface card rear panel module 11 is current when being connected with access device backboard, local cpu module 13 is connected by out of band communication channel with access device central control unit, interface card is first by the driver of this passage loading interface card, local cpu module runs this program, to carry out initial configuration to Service Processing Module 104.
In actual applications, access device central control unit can also carry out protocol massages transmitting-receiving by out of band communication channel and local cpu module 13, obtains the functions such as interface card running status message.
Below the workflow of above-mentioned interface card is described.
Fig. 5 is the workflow schematic diagram of the interface card in the embodiment of the present invention, and shown in Figure 5, this flow process comprises:
S501: after interface card inserts access device frame or convergence device motherboard, the chassis backplane type indication signal that control module reading state interface sends;
S502: according to chassis backplane type indication signal, control module judges whether interface card inserts convergence device motherboard; If so, S503 is performed; If not, then determine that interface card inserts access device frame, perform S506;
S503: bridge module and Service Processing Module, according to chassis backplane type indication signal reset local cpu module, go to reset by control module;
S504: the control channel of Service Processing Module switches on external control passage by control module;
S505: motherboard CPU module by external control channel access Service Processing Module, and carries out initial configuration to it; In interface card, service message can normally be received and dispatched after configuration is complete, and flow process terminates;
S506: control module reset bridge module, and local cpu module and Service Processing Module are gone reset;
S507: the control channel of Service Processing Module switches on local channel control by control module;
S508: local cpu module start, and by out of band communication channel from access device central control unit obtain interface card driver and run;
S509: local cpu module by local channel control access service processing module, and carries out initial configuration to it; In interface card, service message can normally be received and dispatched after configuration is complete, and flow process terminates.
In actual applications, due to the difference of control interface, the structure of corresponding control module also can be different.Such as, Fig. 6 is the structural representation of interface card when control interface is PCI-E interface in the embodiment of the present invention, shown in Figure 6, when control interface 112 is PCI-E interface, so, now, above-mentioned interface module 12 also comprises: first interface modular converter 121, second interface modular converter 122, LBS handover module 123 and reset circuit module 124;
Wherein, control interface 112 is connected with bridge module 18, forms PCI-E passage; Bridge module 18 is connected with first interface modular converter 121, forms PCI passage; First interface modular converter 121 is connected with LBS handover module 123, forms LBS passage 1; LBS handover module 123 is connected with the second interface modular converter 122, forms LBS passage 2; LBS handover module 123 is connected with Service Processing Module 14, forms LBS passage 3; LBS handover module 123 is also connected with state interface 111; Second interface modular converter 122 is connected with local cpu module 13, forms IFC (the integrated Flash control interface that CPU carries, IntegralFlashController) passage; Reset circuit module 124 is connected with bridge module 18, first interface modular converter 121, second interface modular converter 122, LBS handover module 123, local cpu module 13 and state interface 111 respectively.
So, Fig. 7 is the workflow schematic diagram of interface card when control interface is PCI-E interface in the embodiment of the present invention, and shown in Figure 7, this flow process comprises:
S701: after interface card inserts access device frame/convergence device motherboard, control module reading machine back-propping plate type indication signal;
S702: according to chassis backplane type indication signal, control module judges whether interface card inserts convergence device motherboard; If so, S703 is performed; If not, determine that interface card inserts access device backboard;
S703: reset circuit module is according to chassis backplane type indication signal, and reset local cpu module and the second interface modular converter, go bridge module, first interface modular converter and LBS handover module to reset;
S704: PCI-E interface is converted to pci interface by bridge module;
S705: first interface modular converter converts pci interface to LBS interface, forms LBS passage 1;
LBS passage 1 is connected with LBS passage 3 by S706:LBS handover module;
Now, PCI-E passage, PCI passage, the external control channel connection of the interface card that LBS passage 1 and LBS passage 3 are formed.
S707: motherboard CPU module by external control channel access Service Processing Module, and carries out initial configuration to it; In interface card, service message can normally be received and dispatched after configuration is complete, and flow process terminates;
S708: reset circuit module according to backboard type indication signal, reset bridge module and first interface modular converter, and local cpu module, the second interface modular converter and LBS handover module are gone reset;
The IFC interface conversion of local cpu module is LBS interface by the S709: the second interface modular converter;
Now, the local channel control that LBS passage 2 and LBS passage 3 are formed is communicated with.
S710: local cpu module start, and by out of band communication channel from access device central control unit obtain interface card driver and run;
S711: local cpu module by local channel control access service processing module, and carries out initial configuration to it; In interface card, service message can normally be received and dispatched after configuration is complete, and flow process terminates.
From the above, what the housing types index signal that the control module of interface card can send according to state interface determined current connection is any equipment, and then select corresponding control channel to carry out initial configuration, so, the compatibility of interface card for core convergence device and access device is achieved.
Based on same inventive concept, the embodiment of the present invention provides a kind of control method, and the method is applied to an interface card, and this interface card is consistent with the interface card described in one or more embodiment above-mentioned.
Fig. 8 is the schematic flow sheet of the control method in the embodiment of the present invention, and shown in Figure 8, the method comprises:
S801: control module obtains housing types index signal by state interface;
S802: control module based on housing types index signal determination interface card rear panel module is current be connected with convergence device line card motherboard after, the control channel of service channel is switched to external control passage, by external control passage, initial configuration is carried out to Service Processing Module to enable convergence device line card motherboard;
Particularly, S802 can comprise: control module controls local cpu module resets, and service control processing module goes to reset, so that the control channel of service channel is switched to external control passage.
In another embodiment, interface card also comprises bridge module, is arranged in external control passage, and is connected with control interface and control module respectively;
Correspondingly, S802 can comprise: control module controls local cpu module resets, and controls bridge module and Service Processing Module goes to reset, so that the control channel of service channel is switched to external control passage.
S803: control module based on housing types index signal determination interface card rear panel module is current be connected with access device backboard after, the control channel of service channel is switched to local channel control, by local channel control, initial configuration is carried out to Service Processing Module to make local cpu module.
Particularly, S803 can comprise: control module controls local cpu module and Service Processing Module goes to reset, so that the control channel of service channel is switched to local channel control.
In another embodiment, interface card also comprises bridge module, is arranged in external control passage, and is connected with control interface and control module respectively;
Now, S803 can comprise: control module controls local cpu module and Service Processing Module goes to reset, and controls bridge module reset, so that the control channel of service channel is switched to external control passage.
Those skilled in the art should understand, embodiments of the invention can be provided as method, system or computer program.Therefore, the present invention can adopt the form of hardware embodiment, software implementation or the embodiment in conjunction with software and hardware aspect.And the present invention can adopt in one or more form wherein including the upper computer program implemented of computer-usable storage medium (including but not limited to magnetic disc store and optical memory etc.) of computer usable program code.
The present invention describes with reference to according to the flow chart of the method for the embodiment of the present invention, equipment (system) and computer program and/or block diagram.Should understand can by the combination of the flow process in each flow process in computer program instructions realization flow figure and/or block diagram and/or square frame and flow chart and/or block diagram and/or square frame.These computer program instructions can being provided to the processor of all-purpose computer, special-purpose computer, Embedded Processor or other programmable data processing device to produce a machine, making the instruction performed by the processor of computer or other programmable data processing device produce device for realizing the function of specifying in flow chart flow process or multiple flow process and/or block diagram square frame or multiple square frame.
These computer program instructions also can be stored in can in the computer-readable memory that works in a specific way of vectoring computer or other programmable data processing device, the instruction making to be stored in this computer-readable memory produces the manufacture comprising command device, and this command device realizes the function of specifying in flow chart flow process or multiple flow process and/or block diagram square frame or multiple square frame.
These computer program instructions also can be loaded in computer or other programmable data processing device, make on computer or other programmable devices, to perform sequence of operations step to produce computer implemented process, thus the instruction performed on computer or other programmable devices is provided for the step realizing the function of specifying in flow chart flow process or multiple flow process and/or block diagram square frame or multiple square frame.
The above, be only preferred embodiment of the present invention, be not intended to limit protection scope of the present invention.
Claims (9)
1. an interface card, is characterized in that, comprising: interface card backboard template, control module, local cpu module, Service Processing Module and external communication interface; Described interface card rear panel module is used for being connected with convergence device line card motherboard or access device backboard; Described interface card rear panel module comprises: state interface, control interface, business interface; Described business interface is connected with described Service Processing Module, and described Service Processing Module is connected with described external communication interface, forms the service channel of described interface card; Described control interface is connected with described control module, forms the external control passage of described interface card; Described control module and described local cpu model calling, form the local channel control of described interface card; Described control module is also connected with described state interface and described Service Processing Module respectively;
Wherein, described control module is used for obtaining housing types index signal by described state interface; Based on described housing types index signal, determine that described interface card rear panel module current and described convergence device line card motherboard is connected; The control channel of described service channel is switched to described external control passage, by described external control passage, initial configuration is carried out to described Service Processing Module to enable described convergence device line card motherboard; Also for based on described housing types index signal, determine that the current and described access device backboard of described interface card rear panel module is connected; The control channel of described service channel is switched to described local channel control, by described local channel control, initial configuration is carried out to described Service Processing Module to make described local cpu module.
2. interface card according to claim 1, is characterized in that, described interface card backboard template also comprises: out-of-band communication interface, with described local cpu model calling, forms the out of band communication channel of described interface card.
3. interface card according to claim 1, is characterized in that, described interface card also comprises: bridge module, respectively with described control interface and described control model calling, forms described external control passage.
4. interface card according to claim 3, is characterized in that, when described control interface is PCI-E interface, described control module comprises: first interface modular converter, the second interface modular converter, LBS handover module and reset circuit module;
Wherein, described bridge module is connected with described first interface modular converter; Described first interface modular converter is connected with described LBS handover module; Described LBS handover module is connected with described second interface modular converter, described state interface and described Service Processing Module respectively; Described second interface modular converter and described local cpu model calling; Described reset circuit module is connected with described bridge module, described first interface modular converter, described second interface modular converter, described LBS handover module, described local cpu module and state interface respectively.
5. a control method, is characterized in that, is applied to an interface card, and described interface card comprises interface card backboard template, control module, local cpu module and Service Processing Module; Described interface card rear panel module comprises: state interface, control interface, business interface; Described control module is connected with described control interface, forms the external control passage of described interface card; Described control module and described local cpu model calling, form the local channel control of described interface card; Described Service Processing Module is connected with described business interface, forms the service channel of described interface card; Described method comprises:
Described control module obtains housing types index signal by described state interface;
Based on described housing types index signal, described control module determines that described interface card rear panel module current and described convergence device line card motherboard is connected after, the control channel of described service channel is switched to described external control passage, by described external control passage, initial configuration is carried out to described Service Processing Module to enable described convergence device line card motherboard;
Based on described housing types index signal, described control module determines that the current and described access device backboard of described interface card rear panel module is connected after, the control channel of described service channel is switched to described local channel control, by described local channel control, initial configuration is carried out to described Service Processing Module to make described local cpu module.
6. method according to claim 5, is characterized in that, the control channel of described service channel is switched to described external control passage by described control module, comprising:
Described control module controls described local cpu module resets, and control described Service Processing Module go reset, so that the control channel of described service channel is switched to described external control passage.
7. method according to claim 5, is characterized in that, described interface card also comprises bridge module, is arranged in described external control passage, and is connected with described control interface and described control module respectively;
The control channel of described service channel is switched to described external control passage by described control module, comprising:
Described control module controls described local cpu module resets, and controls described bridge module and described Service Processing Module and go to reset, so that the control channel of described service channel is switched to described external control passage.
8. method according to claim 5, is characterized in that, the control channel of described service channel is switched to described local channel control by described control module, comprising:
Described control module controls described local cpu module and described Service Processing Module goes to reset, so that the control channel of described service channel is switched to described local channel control.
9. method according to claim 5, is characterized in that, described interface card also comprises bridge module, is arranged in described external control passage, and is connected with described control interface and described control module respectively;
The control channel of described service channel is switched to described local channel control by described control module, comprising:
Described control module controls described local cpu module and described Service Processing Module goes to reset, and controls the reset of described bridge module, so that the control channel of described service channel is switched to described external control passage.
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| CN201410554048.7A CN105577389A (en) | 2014-10-17 | 2014-10-17 | Interface card and control method |
| PCT/CN2015/071650 WO2015131722A1 (en) | 2014-10-17 | 2015-01-27 | Interface card and control method |
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| CN201410554048.7A CN105577389A (en) | 2014-10-17 | 2014-10-17 | Interface card and control method |
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| CN112350959A (en) * | 2019-08-06 | 2021-02-09 | 杭州海康威视数字技术股份有限公司 | Expandable machine frame equipment |
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| CN101419486B (en) * | 2008-11-28 | 2012-01-04 | 成都市华为赛门铁克科技有限公司 | Two-machine server system and system rear panel |
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| CN101206130A (en) * | 2007-12-17 | 2008-06-25 | 中国电子科技集团公司第二十研究所 | Automatic verification/calibration/test platform for electronic instrument |
| CN101247234A (en) * | 2008-03-18 | 2008-08-20 | 中兴通讯股份有限公司 | Network processing card and operation method thereof |
| US20100131619A1 (en) * | 2008-11-21 | 2010-05-27 | Microsoft Corporation | Creating cross-technology configuration settings |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112350959A (en) * | 2019-08-06 | 2021-02-09 | 杭州海康威视数字技术股份有限公司 | Expandable machine frame equipment |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2015131722A1 (en) | 2015-09-11 |
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