CN105334919A - Atca system backboard - Google Patents
Atca system backboard Download PDFInfo
- Publication number
- CN105334919A CN105334919A CN201510648692.5A CN201510648692A CN105334919A CN 105334919 A CN105334919 A CN 105334919A CN 201510648692 A CN201510648692 A CN 201510648692A CN 105334919 A CN105334919 A CN 105334919A
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- backboard
- sub
- atca system
- system backplane
- data
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
- G06F1/16—Constructional details or arrangements
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
- G06F1/16—Constructional details or arrangements
- G06F1/18—Packaging or power distribution
- G06F1/183—Internal mounting support structures, e.g. for printed circuit boards, internal connecting means
- G06F1/185—Mounting of expansion boards
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- Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Human Computer Interaction (AREA)
- Physics & Mathematics (AREA)
- General Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Computer Hardware Design (AREA)
- Power Engineering (AREA)
- Mounting Of Printed Circuit Boards And The Like (AREA)
Abstract
In order to configure and detect an ATCA backboard with flexibility and efficiency, the invention provides an ATCA system backboard comprising an electronic backboard, a front-insert connector sub-backboard, a back-insert connector backboard, a cascade sub-backboard, a debug sub-backboard, and a network sub-backboard; the cascade sub-backboard is used for backboard expansion when a plurality of ATCA system backboards are needed; the network sub-backboard is used for data encryption and decryption and data coding/decoding; the debug sub-backboard comprises a MCU, a display unit, and a switch; the switch is used for controlling electromagnetic transmit-receive modules and data transmission modules of the sub-backboards to connect/disconnect according to control orders of the MCU. Numbers, interfaces, and performance of each sub-backboard can be singly designed, thus greatly enhancing flexibility and configurability of the ATCA system backboard; in addition, the ATCA system backboard can solve the problems that the conventional technology cannot automatically detect backboard faults, thus improving backboard working stability and compatibility.
Description
Technical field
The present invention relates to communication technical field, particularly relate to a kind of ATCA System Backplane.
Background technology
Along with the development of the communication technology, more and more higher to the requirement of the capacity of communication facilities, reliability, extensibility and manageability.Comply with this development, PCI industrial computer manufacturer group (PCIIndustrialComputerManufacturer ' sGroup, be called for short PICMG) propose a kind of advanced telecommunication computing structure (AdvancedTelecomComputingArchitecture, be called for short ATCA), and formulated PICMG3.0 specification, detailed regulation has been carried out to the aspect such as physical construction, power supply, heat radiation, system management, data transmission interface, backboard specification of ATCA.
Fig. 1 is the veneer distribution plan of a typical ATCA14 slot machine frame.Veneer in machine frame is divided into front plug in veneer and rear plug in veneer, and front plug in veneer is divided into switching board (HUBBOARD) and Node Board (NODEBOARD).Rear plug in veneer as the Interface Expanding unit of front plug in veneer and front plug in veneer to inserting, and external interface is provided.
The interface that front plug in veneer is connected with backboard is divided into region 1, region, 2 two, region according to function.The interface such as power supply, system management is defined in region 1; Data transmission channel is defined in region 2.Fig. 2 is typical front plug in veneer and rear plug in veneer connection diagram.The interface that front plug in veneer is connected with rear plug in veneer is defined as region 3, and front plug in veneer is directly connected by respective plug connector with rear plug in veneer, does not need through backplane interconnects.By carrying out the problem of tandem type flexible configuration to plate, at present effective solution cannot not yet be proposed in correlation technique.In addition, also flexible, high efficiency detection cannot be carried out to the fault of ATCA backboard.
Summary of the invention
In order to overcome above-mentioned weak point of the prior art, the invention provides a kind of ATCA System Backplane, this System Backplane comprises supplied for electronic backboard, the sub-backboard of front socket, connector, the sub-backboard of rear socket, connector, the sub-backboard of cascade, the sub-backboard of debug and the sub-backboard of network, described each sub-backboard all has the data transmission module that can transmit and receive electromagnetic electromagnetism transceiver module each other He can transmit data each other, described electromagnetism transceiver module realizes the transmission of electric power by the electromagnetic mode of transmitting and receiving, the sub-backboard of described front socket, connector is used for carrying out electric power transfer and data communication with front card, the sub-backboard of described back card/back board connector is used for carrying out electric power transfer and data communication with back card/back board, the sub-backboard of described cascade is used for carrying out backboard expansion when the multiple ATCA System Backplane of needs, the sub-backboard of described network is used for carrying out data encrypting and deciphering and code and decode, the sub-backboard of described debug comprises MCU, display unit and change-over switch, this change-over switch is used for controlling the above-mentioned electromagnetism transceiver module of each sub-backboard and the conducting of data transmission module and disconnecting link according to this MCU instruction.
Further, described data transmission module comprises renewal data channel interface, exchanges data-interface and master data interface.
Further, the structure of star topology, mesh topology or dual star topology is formed between each sub-backplane interface of described ATCA System Backplane.
Further, each sub-backboard of described ATCA System Backplane also comprises heat dissipation channel.
Further, described heat dissipation channel is water-cooling channel.
Further, described electric power transfer adopts 125kHz frequency range.
The invention has the beneficial effects as follows: the number of each sub-backboard and interface, performance can design individually, thus significantly enhance dirigibility and the configurability of ATCA System Backplane.Meanwhile, overcome the problem cannot carrying out detection automatically in prior art to backboard fault, improve stability and the compatibility of backboard work.
Accompanying drawing explanation
Fig. 1 shows a kind of ATCA backboard of the prior art.
Fig. 2 shows ATCA System Backplane structured flowchart according to a preferred embodiment of the invention.
Embodiment
As shown in Figure 2, ATCA System Backplane comprises supplied for electronic backboard 1, the sub-backboard 2 of front socket, connector, the sub-backboard 5 of rear socket, connector, the sub-backboard 4 of cascade, the sub-backboard of debug 3 and the sub-backboard 6 of network, the sub-backboard of described back card/back board connector is used for carrying out electric power transfer and data communication with back card/back board, the sub-backboard of described cascade 4 is for carrying out backboard expansion when the multiple ATCA System Backplane of needs, the sub-backboard 6 of described network is for carrying out data encrypting and deciphering and code and decode, the sub-backboard 3 of described debug comprises MCU, display unit and change-over switch, this change-over switch is used for controlling the above-mentioned electromagnetism transceiver module of each sub-backboard and the conducting of data transmission module and disconnecting link according to this MCU instruction.
Wherein, ATCA System Backplane can be set to three-dimensional structure, thus provides possibility for expanding multiple System Backplane, and the more important thing is and provide good heat-dissipating space when cascade, and then can be conducive to forming the heat dissipation channel between each System Backplane.Each sub-backboard in Fig. 1 does not represent that reality connects adjacent to each other.
The sub-backboard 4 of cascade comprises several interpolation frames, such as, when the cascade of multiple ATCA System Backplane or when connecting (" connection " in the present invention had both comprised wired connection and also comprised wireless connections) in other topological modes, can other ATCA System Backplane be installed in the interpolation frame in Zone3 district on certain System Backplane flexibly, also can extract from interpolation frame neatly.
In certain embodiments, the sub-backboard of front socket, connector 2 is provided with four front socket, connectors 41, the sub-backboard 5 of rear socket, connector be provided with four after socket, connector 42, connection four front cards 1 and four back card/back boards 2 can be expanded respectively.
On supplied for electronic backboard 1, integrated multiple power sources produces circuit, can produce the electric signal of appropriate voltage, frequency and waveform as required.
Preferably, ATCA System Backplane can realize four kinds of topological relations by PCB cabling: the first realizes four front cards and four back card/back board data are totally interconnected, the second is that between four front cards, data are totally interconnected, the third is that between four back card/back boards, data are totally interconnected, 4th kind is that multiple front card is powered to back card/back board, these four kinds of topological relations can exist simultaneously, also can realize the combination of wherein several topology.Connection in these topological relations is realized by the data transmission module on each sub-backboard and power transfer module.That is, described each sub-backboard all has the data transmission module that can transmit and receive electromagnetic electromagnetism transceiver module each other He can transmit data each other.
Wherein, described electromagnetism transceiver module realizes the transmission of electric power by the electromagnetic mode of transmitting and receiving, and the sub-backboard 2 of described front socket, connector is for carrying out electric power transfer and data communication with front card.Electric power transfer adopts 125kHz frequency range.This transmission for those skilled in the art know, is to utilize electromagnetic induction principle in the prior art, carries out by coil the transmission that Energy Coupling realizes energy, and such chip on sale on market also comparatively horn of plenty, does not therefore carry out specified otherwise at this.What it should be apparent to those skilled in the art that is, all there is electromagnetic screen (such as wire netting), to avoid interference the transmission of the data-signal in sub-backboard on the power transfer module of this electric power transfer between each sub-backboard of ATCA System Backplane and on each sub-backboard.In addition, in the present invention, because data transmission is carried out in 4G frequency range, therefore the two interference can be reduced to minimum relatively.
The sub-backboard 6 of network has codec chip and/or deciphering chip, improves the security communicated for making as required when ATCA System Backplane and PERCOM peripheral communication.
The sub-backboard 4 of cascade comprises data buffer and realizes the chip of one or more data bus protocol of regulation in ATCA specification, for when needing multiple ATCA System Backplane (such as distributed environment) carry out the expansion of information.Now, each sub-backboard still plays effect identical in the System Backplane at its place, but the MCU in the sub-backboard 3 of debug will play the effect of coprocessor, instead of the situation about working alone of picture under the environment of individual system backboard.This design is due to when cascade, the possibility that backboard (especially under distributed environment) has problems doubly is increased by geometry, need by each MCU, sub-for each in the System Backplane at its place backboard state and power/data parameter transmission to be gone out, carry out unified treatment and analysis.
Independent, when not cascade, MCU in the sub-backboard 3 of debug in ATCA System Backplane controls the displaying contents of display unit, and control change-over switch, this change-over switch controls the above-mentioned electromagnetism transceiver module of each sub-backboard and the conducting of data transmission module and disconnecting link according to this MCU instruction, such as, when there is short circuit situation, first disconnect before the sub-backboard 2 of socket, connector with its 4 pieces of front cards be connected in first piece, then judge whether electric power transfer recovers normal, after this utilize change-over switch to be switched to again successively and the sub-backboard 2 of front socket, connector is disconnected with second piece in its 4 pieces of front cards be connected, and recover the connection of first piece, again monitor.The rest may be inferred.
In the present invention, described data transmission module comprises renewal data channel interface, exchanges data-interface and master data interface.Wherein master data interface is used for being responsible for data transmission when the sub-backboard 3 of debug does not monitor abnormal conditions, exchange the exchanges data that data-interface is used for carrying out when multiple ATCA System Backplane generation Topology connection between each System Backplane, upgrade data channel interface and be used for being responsible for data transmission when the sub-backboard 3 of debug monitors abnormal conditions and starts to test.
The structure of star topology, mesh topology or dual star topology is formed between each sub-backplane interface.Predictably, the structure of star topology, mesh topology or dual star topology can also be formed between multiple ATCA System Backplane as required.
In a preferred embodiment, each sub-backboard also comprises heat dissipation channel, such as air-cooled passage and water-cooling channel, for carrying out rational temperature adjustment and heat radiation for the processor on each sub-backboard, chip.Heat dissipation channel can adopt radiating element when designing, such as, channel direction from power transfer module to thermovent arranges the good metal fins of thermal conductivity, not easily forms backflow, to strengthen radiating effect in the process that heat dissipation channel is dried to thermovent.
Above content is in conjunction with concrete embodiment further description made for the present invention, can not assert that specific embodiment of the invention is confined to these explanations.For general technical staff of the technical field of the invention, without departing from the inventive concept of the premise, some simple deduction or replace can also be made, all should be considered as belonging to protection scope of the present invention.
Claims (6)
1. an ATCA System Backplane, it is characterized in that, this System Backplane can be formed spatial structure, comprise supplied for electronic backboard, the sub-backboard of front socket, connector, the sub-backboard of rear socket, connector, the sub-backboard of cascade, the sub-backboard of debug and the sub-backboard of network, described each sub-backboard all has the data transmission module that can transmit and receive electromagnetic electromagnetism transceiver module each other He can transmit data each other, described electromagnetism transceiver module realizes the transmission of electric power by the electromagnetic mode of transmitting and receiving, the sub-backboard of described front socket, connector is used for carrying out electric power transfer and data communication with front card, the sub-backboard of described back card/back board connector is used for carrying out electric power transfer and data communication with back card/back board, the sub-backboard of described cascade is used for carrying out backboard expansion when the multiple ATCA System Backplane of needs, the sub-backboard of described network is used for carrying out data encrypting and deciphering and code and decode, the sub-backboard of described debug comprises MCU, display unit and change-over switch, this change-over switch is used for controlling the above-mentioned electromagnetism transceiver module of each sub-backboard and the conducting of data transmission module and disconnecting link according to this MCU instruction.
2. ATCA System Backplane according to claim 1, is characterized in that, described data transmission module comprises renewal data channel interface, exchanges data-interface and master data interface.
3. ATCA System Backplane according to claim 1 and 2, is characterized in that, forms the structure of star topology, mesh topology or dual star topology between each sub-backplane interface of described ATCA System Backplane.
4. ATCA System Backplane according to claim 1, is characterized in that, each sub-backboard of described ATCA System Backplane also comprises heat dissipation channel.
5. ATCA System Backplane according to claim 1, is characterized in that, described heat dissipation channel is water-cooling channel.
6. ATCA System Backplane according to claim 1, is characterized in that, described electric power transfer adopts 125kHz frequency range.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510648692.5A CN105334919B (en) | 2015-10-09 | 2015-10-09 | A kind of ATCA System Backplanes |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510648692.5A CN105334919B (en) | 2015-10-09 | 2015-10-09 | A kind of ATCA System Backplanes |
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| Publication Number | Publication Date |
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| CN105334919A true CN105334919A (en) | 2016-02-17 |
| CN105334919B CN105334919B (en) | 2018-06-08 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201510648692.5A Active CN105334919B (en) | 2015-10-09 | 2015-10-09 | A kind of ATCA System Backplanes |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20040141285A1 (en) * | 2002-07-25 | 2004-07-22 | Kontron Communications Inc. | Modular computer system with passive backplane modules |
| CN101401054A (en) * | 2007-01-04 | 2009-04-01 | 中兴通讯股份有限公司 | A modularized back-board |
| CN102420693A (en) * | 2011-07-26 | 2012-04-18 | 中兴通讯股份有限公司 | ATCA (Advanced Telecom Computing Architecture) machine frame system, construction method and back-insert single plate |
-
2015
- 2015-10-09 CN CN201510648692.5A patent/CN105334919B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20040141285A1 (en) * | 2002-07-25 | 2004-07-22 | Kontron Communications Inc. | Modular computer system with passive backplane modules |
| CN101401054A (en) * | 2007-01-04 | 2009-04-01 | 中兴通讯股份有限公司 | A modularized back-board |
| CN102420693A (en) * | 2011-07-26 | 2012-04-18 | 中兴通讯股份有限公司 | ATCA (Advanced Telecom Computing Architecture) machine frame system, construction method and back-insert single plate |
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| Publication number | Publication date |
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| CN105334919B (en) | 2018-06-08 |
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