CN101668298A - Carrier manager and method for controlling power-on of single board of base station power module - Google Patents

Carrier manager and method for controlling power-on of single board of base station power module Download PDF

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CN101668298A
CN101668298A CN200810141805A CN200810141805A CN101668298A CN 101668298 A CN101668298 A CN 101668298A CN 200810141805 A CN200810141805 A CN 200810141805A CN 200810141805 A CN200810141805 A CN 200810141805A CN 101668298 A CN101668298 A CN 101668298A
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power
module
power supply
veneer
configuration information
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CN101668298B (en
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马广宇
林彬
康红辉
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ZTE Corp
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ZTE Corp
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Abstract

The invention discloses a carrier manger (CM) and a method for controlling the power-on of a single board of a base station power module (PM). The carrier manager comprises an information acquisitionstatus judging module, a single board type judging module, a single board information judging module, a power supply module and a PM run mode setting module. The method comprises that the following steps: a, the single board is inserted into a carrier slot, and the CM indicates the PM to supply MP to the single board when not acquiring PM power supply configuration information; b, the CM determines the type of the single board, indicates the PM to supply PP to the single board and enters a step c when the single board is a preferentially powered-on single board, and ends the flow when the single board is not the preferentially powered-on single board; and c, the CM receives the PM power supply configuration information, and powers off the single board when the PM power supply configurationinformation does not comprise the power supply configuration information of the single board in the slot. The carrier manger and the method for controlling the power-on of the single board of the base station power module solve the problem that the CM cannot acquire the PM power supply configuration information because no power is supplied to an interface board at an initial running stage of a MicroTCA carrier.

Description

The Board Power up control method of a kind of carrier manager and base station power module
Technical field
The present invention relates to embedded-type control field, relate in particular to the Board Power up control method of a kind of CM (CarrierManagement, carrier manager) and base station PM (Power Module, power module).
Background technology
MicroTCA (micro telecommunication computing architecture, Micro TelecommunicationsComputing Architecture) with ATCA (Advanced Telecom ComputingArchitecture, advanced communication computer framework) is the basis, with cheap cost, less overall dimension, high reliability and flexibility, the ideal that becomes the wireless base station is selected.AMC (Advanced Mezzanine Card, the advanced subcard that embeds) module is to support the plug-in module of the minimum of ATCA system, possesses hot-swapping function and front panel plug function.
A typical MicroTCA support plate comprises 12 AMC veneers, 1 or the 2 optional MCH of redundancy (MicroTCA Carrier Hub, support plate network service center) plate, PM, 1 or the redundant optional CU (Cool Unit, refrigerating system) of redundant load Sharing.A critical function of MicroTCA support plate is to provide power supply for the AMC veneer.The PM of MicroTCA support plate is converted to the PP (Payload Power, working power) of 12V to input voltage, and radial each AMC veneer that is distributed to provides the MP (Management Power, managing electrical power) of 3.3V simultaneously for each veneer.The control of PM is that the CM by the MCH plate realizes.
The MicroTCA support plate is deposited the power supply strategy by special FRU (Field Replacable Unit, Field Replaceable Unit).When the initial launch of MicroTCA support plate, when CM did not have PM power supply configuration information, CM was the veneer power supply according to the power supply strategy among the FRU.Yet, in the practical application of base station system, PM power supply configuration information is that the webmaster backstage issues, promptly only at BTS (Base Transceiver Station, during base transceiver station) with the proper communication of BSC (BaseStation Controller, base station controller) energy, CM just can obtain PM power supply configuration information, and when the stable operation of MicroTCA support plate, be the veneer power supply according to PM power supply configuration information.Because the power supply strategy among the FRU is fixed, when the initial launch of MicroTCA support plate, if when the groove position of the actual insertion of interface board between BTS and the BSC and the information inconsistency among the FRU, interface board may can not get power supply, thereby cause BTS and the BSC can't proper communication, and then make CM can't obtain PM power supply configuration information.
Summary of the invention
The technical problem to be solved in the present invention provides the Board Power up control method of a kind of CM and base station PM, has solved the MicroTCA support plate initial launch stage, and interface board can not get the powering CM that causes can't obtain the problem of PM power supply configuration information.
The technical solution adopted for the present invention to solve the technical problems is:
A kind of CM, comprise supply module and single board information judge module, described single board information judge module is used for judging whether PM power supply configuration information that described CM has obtained comprises the power supply configuration information of the veneer that inserts carrier slot, and notifies described supply module with judged result;
Described CM comprises that also information obtains situation judge module, board type judge module;
Described information is obtained the situation judge module and is used to judge whether described CM has obtained PM power supply configuration information, and notifies described supply module and board type judge module with judged result;
Described board type judge module is used for judging whether the veneer that inserts carrier slot is the veneer that preferentially powers on, and notifying described supply module with judged result when described information is obtained the situation judge module and determined that described CM does not obtain PM power supply configuration information;
Described supply module is used for indicating corresponding PM for inserting the veneer power supply of carrier slot according to the notice that described information is obtained situation judge module, board type judge module and single board information judge module, and indicates corresponding PM finish preferentially to power on to powering the power supply of veneer.
In the such scheme, described CM comprises that also the PM operational mode is provided with module, be used for the operational mode that PM is inquired about in timing, when the operational mode of each PM was inequality, the judged result of obtaining the situation judge module according to described information adopted each PM of corresponding setting mode to be set to identical operational mode.
The Board Power up control method of a kind of base station PM may further comprise the steps:
A, veneer insert carrier slot, and when CM did not obtain PM power supply configuration information, indication PM provided MP for described veneer;
B, described CM determine the type of described veneer, and described veneer is when preferentially powering on veneer, and indication PM provides PP for described veneer and enters step c, and described veneer is non-ly preferentially to power on during veneer process ends;
C, described CM receive described PM power supply configuration information, do not comprise described veneer when the power supply configuration information of described groove position in the described PM power supply configuration information, close the power supply of described veneer.
In the such scheme, among the described step c, comprise described veneer when the power supply configuration information of described groove position in the described PM power supply configuration information, keep the power supply of described veneer.
In the such scheme, among the described step a, when described CM has obtained described PM power supply configuration information,, realize the last electric control of described veneer by following steps according to described PM power supply configuration information:
A, described CM judge in the described PM power supply configuration information whether comprise the power supply configuration information of described veneer, if comprise, indication PM provide MP for described veneer, otherwise, process ends;
B, described CM indication PM provide PP for described veneer.
In the such scheme, when the operational mode of described PM was active and standby pattern, described CM indicated successively and mainly provides MP with PM and standby PM for described veneer; Described CM indicates described master to provide PP with PM and standby PM for described veneer successively.
In the such scheme, when the operational mode of described PM was the load sharing pattern, among the described step a, described CM specified PM to provide MP for described veneer according to the operating state of PM; Among the described step c, described CM specifies PM to provide PP for described veneer according to the operating state of PM.
In the such scheme, the operating state of PM all just often, described CM specifies the big PM of available horsepower to provide corresponding power supply for described veneer; The operating state of having only a PM just often, described CM specifies described PM to provide corresponding power supply for described veneer.
In the such scheme, when the operational mode of described PM was the load sharing pattern, in the described steps A, described CM specified PM to provide MP for described veneer according to the power supply configuration information of described veneer; Among the described step B, described CM specifies PM to provide PP for described veneer according to the power supply configuration information of described veneer.
In the such scheme, described CM regularly inquires about the operational mode of PM, and when the operational mode of each PM was inequality, it was set to identical operational mode described CM.
In the such scheme, when described CM did not obtain described PM power supply configuration information, described CM all was set to active and standby pattern or load sharing pattern with the operational mode of each PM; When described CM had obtained described PM power supply configuration information, described CM was provided with the operational mode of each PM according to described PM power supply configuration information.
Beneficial effect of the present invention mainly shows: Board Power up control method provided by the invention can realize by CM provided by the invention, in this method, when CM does not obtain PM power supply configuration information, no matter which groove position veneer inserts, as long as it is the veneer that preferentially powers on, can obtain power supply, thereby solve the MicroTCA support plate initial launch stage, interface board can not get the powering CM that causes can't obtain the problem of PM power supply configuration information.
Description of drawings
Fig. 1 is the structural representation of CM of the present invention;
Fig. 2 is the Board Power up control flow chart of base station PM of the present invention.
Embodiment
With reference to Fig. 1, a kind of CM comprises that information obtains situation judge module, board type judge module, single board information judge module, supply module and PM operational mode module is set;
Information is obtained the situation judge module and is used to judge whether CM has obtained PM power supply configuration information, and notifies supply module, board type judge module and PM operational mode that module is set judged result;
The board type judge module is used for judging whether the veneer that inserts carrier slot is the veneer that preferentially powers on, and notifying supply module with judged result when information is obtained the situation judge module and determined that CM does not obtain PM power supply configuration information;
The single board information judge module is used for judging whether PM power supply configuration information that CM has obtained comprises the power supply configuration information of the veneer that inserts carrier slot, and notifies supply module with judged result;
Supply module is used for indicating corresponding PM for inserting the veneer power supply of carrier slot according to the notice that information is obtained situation judge module, board type judge module and single board information judge module, and indicates corresponding PM finish preferentially to power on to powering the power supply of veneer;
The PM operational mode is provided with module and is used for the operational mode that PM is inquired about in timing, and when the operational mode of each PM was inequality, the judged result of obtaining the situation judge module according to information adopted each PM of corresponding setting mode to be set to identical operational mode.
With reference to Fig. 2, the Board Power up control method of a kind of base station PM may further comprise the steps:
The S201:MCH plate powers on;
S202: veneer inserts the MicroTCA carrier slot;
S203:CM judges whether to obtain PM power supply configuration information, if obtain, enters S211, otherwise, enter S204;
S204:CM provides the MP of 3.3V for this veneer according to the corresponding PM of operational mode indication of PM; Wherein,
When the operational mode of PM was active and standby pattern, CM indicated successively and mainly provides 3.3V power supply with PM and standby PM for this veneer;
When the operational mode of PM was the load sharing pattern, CM specified PM to provide 3.3V power supply for this veneer according to the operating state of PM, that is: the operating state of PM all just often, CM specifies the big PM of available horsepower to provide 3.3V power supply for this veneer; The operating state of having only a PM just often, CM specifies the normal PM of this operating state to provide 3.3V power supply for this veneer;
S205:CM confirms that this veneer normally inserts, and confirms that it need activate this veneer;
The default power supply strategy of S206:CM inquiry FRU storage is determined the type of this veneer, judges whether this veneer is the veneer that preferentially powers on, if, enter S207, otherwise, process ends; After flow process finishes, when having other veneer to insert, reenter S203;
S207:CM carries out power supply to be consulted, and provides the PP of 12V to activate this veneer for this veneer according to the corresponding PM of operational mode indication of PM; Wherein,
When the operational mode of PM was active and standby pattern, CM indicated successively and mainly provides 12V power supply with PM and standby PM for this veneer;
When the operational mode of PM was the load sharing pattern, CM specified PM to provide 12V power supply for this veneer according to the operating state of PM, that is: the operating state of PM all just often, CM specifies the big PM of available horsepower to provide corresponding power supply for this veneer; The operating state of having only a PM just often, CM specifies the normal PM of this operating state to provide corresponding power supply for this veneer;
S208:CM receives the PM power supply configuration information that the webmaster backstage issues, and judges in the PM power supply configuration information whether comprise the power supply configuration information of this veneer in this groove position, if do not comprise, enters S209, otherwise, enter S210;
S209:CM closes the power supply of this veneer, and process ends; After CM closed this one-board power supply, configuration should be changed in the webmaster backstage, this veneer was changed be fitted on this groove position, in case the MCH sheet reset promptly reenters S201, CM will receive the PM power supply configuration information that the webmaster backstage issues once more;
S210: the power supply and the process ends that keep this veneer; After flow process finishes, when having other veneer to insert, reenter S203;
S211:CM judges in the PM power supply configuration information whether comprise the power supply configuration information of this veneer, if comprise, enters S212, otherwise, process ends; After flow process finishes, when having other veneer to insert, reenter S203;
S212:CM provides the MP of 3.3V for this veneer according to the corresponding PM of operational mode indication of PM; Wherein,
When the operational mode of PM was active and standby pattern, CM indicated successively and mainly provides 3.3V power supply with PM and standby PM for this veneer;
When the operational mode of PM was the load sharing pattern, CM specified PM to provide 3.3V power supply for this veneer according to the power supply configuration information of this veneer;
S213:CM confirms that this veneer normally inserts, and confirms that it need activate this veneer;
S214:CM carries out power supply to be consulted, and the PP that provides 12V for this veneer according to the corresponding PM of operational mode indication of PM to be to activate this veneer, afterwards, and process ends; Wherein,
When the operational mode of PM was active and standby pattern, CM indicated successively and mainly provides 12V power supply with PM and standby PM for this veneer;
When the operational mode of PM was the load sharing pattern, CM specified PM to provide 12V power supply for this veneer according to the power supply configuration information of this veneer;
And, after flow process finishes, when having other veneer to insert, reenter S203.
In the above-mentioned flow process, CM regularly inquires about the operational mode of PM, and when the operational mode of each PM was inequality, it was set to identical operational mode CM, that is: when CM does not obtain PM power supply configuration information, the operational mode of each PM all is set to active and standby pattern or load sharing pattern; When CM had obtained PM power supply configuration information, CM was provided with the operational mode of each PM according to PM power supply configuration information.
When base station system comprises 2 PM with active and standby mode operation, promptly comprise main with PM--PM1 and standby PM--PM2; 6 blocks of AMC plates are designated as AMC1, AMC2, AMC3, AMC4, AMC5 and AMC6 respectively, and wherein AMC1, AM6 are the veneer that preferentially powers on, and AMC2, AMC3, AMC4, AMC5 are the non-veneer that preferentially powers on, and AMC1 is as the interface board of BTS and BSC; Comprise the power supply configuration information of AMC2, AMC3, AMC4, AMC5 and AMC6 in the PM power supply configuration information that AM webmaster backstage issues, and do not comprise the power supply configuration information of AMC1.In system's initial launch stage, AMC1 is the insertion groove position at first, realizes preferentially powering on by above-mentioned flow process, makes CM obtain PM power supply configuration information; Afterwards, during system stable operation, realize powering on according to PM power supply configuration information by above-mentioned flow process in other AMC plate insertion groove position.
The above is embodiments of the invention only, is not limited to the present invention, and for a person skilled in the art, the present invention can have various changes and variation.Within the spirit and principles in the present invention all, any modification of being done, be equal to replacement, improvement etc., all should be included within the claim scope of the present invention.

Claims (11)

1, a kind of carrier manager, comprise supply module and single board information judge module, described single board information judge module is used for judging whether power module power supply configuration information that described carrier manager has obtained comprises the power supply configuration information of the veneer that inserts carrier slot, and notifies described supply module with judged result; It is characterized in that:
Described carrier manager comprises that also information obtains situation judge module, board type judge module;
Described information is obtained the situation judge module and is used to judge whether described carrier manager has obtained power module power supply configuration information, and notifies described supply module and board type judge module with judged result;
Described board type judge module is used for when described information is obtained the situation judge module and determined that described carrier manager does not obtain power module power supply configuration information, judge whether the veneer that inserts carrier slot is the veneer that preferentially powers on, and notify described supply module judged result;
Described supply module is used for indicating corresponding power module for inserting the veneer power supply of carrier slot according to the notice that described information is obtained situation judge module, board type judge module and single board information judge module, and indicates finish preferentially to power on to powering the power supply of veneer of corresponding power module.
2, carrier manager as claimed in claim 1, it is characterized in that: described carrier manager comprises that also the power module operational mode is provided with module, be used for the operational mode that power module is inquired about in timing, when the operational mode of each power module was inequality, the judged result of obtaining the situation judge module according to described information adopted each power module of corresponding setting mode to be set to identical operational mode.
3, a kind of Board Power up control method of base station power module is characterized in that, may further comprise the steps:
A, veneer insert carrier slot, and when carrier manager did not obtain power module power supply configuration information, the indication power module provided managing electrical power for described veneer;
B, described carrier manager are determined the type of described veneer, and described veneer is when preferentially powering on veneer, and the indication power module provides working power for described veneer and enters step c, and described veneer is non-ly preferentially to power on during veneer process ends;
C, described carrier manager receive described power module power supply configuration information, do not comprise described veneer when the power supply configuration information of described groove position in the described power module power supply configuration information, close the power supply of described veneer.
4, the Board Power up control method of base station power module as claimed in claim 3, it is characterized in that: among the described step c, comprise described veneer when the power supply configuration information of described groove position in the described power module power supply configuration information, keep the power supply of described veneer.
5, the Board Power up control method of base station power module as claimed in claim 3, it is characterized in that: among the described step a, when described carrier manager has obtained described power module power supply configuration information, according to described power module power supply configuration information, realize the last electric control of described veneer by following steps:
A, described carrier manager judge in the described power module power supply configuration information whether comprise the power supply configuration information of described veneer, if comprise, the indication power module provides managing electrical power for described veneer, otherwise, process ends;
B, described carrier manager indication power module provide working power for described veneer.
6, as the Board Power up control method of claim 3 or 5 described base station power modules, it is characterized in that: when the operational mode of described power module was active and standby pattern, described carrier manager indicated primary power cource module and standby power supply module to provide managing electrical power for described veneer successively; Described carrier manager indicates described primary power cource module and standby power supply module to provide working power for described veneer successively.
7, the Board Power up control method of base station power module as claimed in claim 3, it is characterized in that: when the operational mode of described power module is the load sharing pattern, among the described step a, described carrier manager provides managing electrical power according to the operating state specified power supply module of power module for described veneer; Among the described step c, described carrier manager provides working power according to the operating state specified power supply module of power module for described veneer.
8, the Board Power up control method of base station power module as claimed in claim 7 is characterized in that: the operating state of power module all just often, described carrier manager specifies the big power module of available horsepower to provide corresponding power supply for described veneer; The operating state of having only a power module just often, described carrier manager specifies described power module to provide corresponding power supply for described veneer.
9, the Board Power up control method of base station power module as claimed in claim 5, it is characterized in that: when the operational mode of described power module is the load sharing pattern, in the described steps A, described carrier manager provides managing electrical power according to the power supply configuration information specified power supply module of described veneer for described veneer; Among the described step B, described carrier manager provides working power according to the power supply configuration information specified power supply module of described veneer for described veneer.
10, as the Board Power up control method of claim 3 or 5 described base station power modules, it is characterized in that: described carrier manager is regularly inquired about the operational mode of power module, when the operational mode of each power module was inequality, it was set to identical operational mode described carrier manager.
11, the Board Power up control method of base station power module as claimed in claim 10, it is characterized in that: when described carrier manager did not obtain described power module power supply configuration information, described carrier manager all was set to active and standby pattern or load sharing pattern with the operational mode of each power module; When described carrier manager had obtained described power module power supply configuration information, described carrier manager was provided with the operational mode of each power module according to described power module power supply configuration information.
CN2008101418052A 2008-09-01 2008-09-01 method for controlling power-on of single board of base station power module and carrier manager Active CN101668298B (en)

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Cited By (4)

* Cited by examiner, † Cited by third party
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CN102486723A (en) * 2010-12-01 2012-06-06 研祥智能科技股份有限公司 Method for realizing ChMC (Chassis Management Controller) and VMC (VPX Manager Controller) on VPX (Versatile Protocol Switch) platform veneer and VPX platform
WO2012088846A1 (en) * 2010-12-30 2012-07-05 中兴通讯股份有限公司 Method, device and base station for powering on base station in single station mode
CN102722231A (en) * 2011-03-30 2012-10-10 研祥智能科技股份有限公司 VPX platform and Payload power-supply management method thereof
CN102486723B (en) * 2010-12-01 2016-12-14 研祥智能科技股份有限公司 Method and the VPX platform of ChMC and VMC is realized on VPX platform veneer

Family Cites Families (3)

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US5530302A (en) * 1994-01-13 1996-06-25 Network Systems Corporation Circuit module with hot-swap control circuitry
CN100556058C (en) * 2006-06-22 2009-10-28 华为技术有限公司 A kind of method and apparatus of controlling power supply sequence of single board
CN100464306C (en) * 2007-03-13 2009-02-25 杭州华三通信技术有限公司 Sequentially electrifying device, method and single board

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102486723A (en) * 2010-12-01 2012-06-06 研祥智能科技股份有限公司 Method for realizing ChMC (Chassis Management Controller) and VMC (VPX Manager Controller) on VPX (Versatile Protocol Switch) platform veneer and VPX platform
CN102486723B (en) * 2010-12-01 2016-12-14 研祥智能科技股份有限公司 Method and the VPX platform of ChMC and VMC is realized on VPX platform veneer
WO2012088846A1 (en) * 2010-12-30 2012-07-05 中兴通讯股份有限公司 Method, device and base station for powering on base station in single station mode
CN102722231A (en) * 2011-03-30 2012-10-10 研祥智能科技股份有限公司 VPX platform and Payload power-supply management method thereof
CN102722231B (en) * 2011-03-30 2016-08-24 研祥智能科技股份有限公司 The Payload method for managing power supply of a kind of VPX platform and VPX platform

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