CN102223239B - Exchange card and rack type equipment - Google Patents
Exchange card and rack type equipment Download PDFInfo
- Publication number
- CN102223239B CN102223239B CN201110154028.7A CN201110154028A CN102223239B CN 102223239 B CN102223239 B CN 102223239B CN 201110154028 A CN201110154028 A CN 201110154028A CN 102223239 B CN102223239 B CN 102223239B
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- card
- high speed
- switching card
- data
- switching
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- 238000012544 monitoring process Methods 0.000 claims abstract description 15
- 238000010586 diagram Methods 0.000 description 5
- 238000007726 management method Methods 0.000 description 4
- 238000004891 communication Methods 0.000 description 3
- 238000013461 design Methods 0.000 description 2
- 230000009977 dual effect Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 108010022579 ATP dependent 26S protease Proteins 0.000 description 1
- 238000013497 data interchange Methods 0.000 description 1
- 239000013071 indirect material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000005022 packaging material Substances 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D30/00—Reducing energy consumption in communication networks
- Y02D30/50—Reducing energy consumption in communication networks in wire-line communication networks, e.g. low power modes or reduced link rate
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Abstract
The invention provides an exchange card, which comprises a high-speed connector group, a power connector, a monitoring unit and a monitoring unit power supply, wherein the high-speed connector group of the exchange card is used for connecting data buses from two selected adjacent wire card slot positions to a switching card slot position. The invention also provides rack type equipment which comprises the exchange card. For the rack type equipment which only uses two wire cards, data exchange can be realized by relatively low power consumption and relatively low cost.
Description
Technical field
The centralized switching technology of equipment that the present invention relates to data communication field, relates in particular to a kind of switching card and rack-mount unit.
Background technology
In data communication series products field, the framework that the communication equipment that capacity scale is larger adopts is conventionally dual master control card+double crossing over card+at least 4 line card, and plug-in card direction is laterally (as shown in Figure 1a) or vertically (as shown in Figure 1 b).Wherein dual master control card (the first main control card 101 and the second main control card 102) and double crossing over card (the first switching card 103 and the second switching card 104) work in active/standby mode, can improve the operational reliability of equipment.Line card 105 is for various user data service accesses and processing.
As shown in Figure 2, the user's access data between each line card of rack-mount unit carries out linear speed exchange by switching card.On the rack-mount unit of multi-thread card intensive data exchange, switching card is responsible for the data full line speed exchange between all line cards, therefore switching card is extremely important, therefore often need to back up design, as shown in Figure 2 switching card (master) and switching card (from) 26S Proteasome Structure and Function identical, master-slave back-up each other.The internal structure of switching card as shown in Figure 3, comprises power distribution, reference clock allocation units 306 in power connector 301, high speed connector 302, monitoring unit 303, exchange chip (group) 304, CPU management system 305 and plate.Visible, on switching card, need to use special chip, expensive and power consumption is very large, bring directly/indirect material cost is very high.
In actual applications, it is not a lot of likely needing user data to be processed, usually there will be and on a rack-mount unit, only configure 2 bracing cable cards, then the situation of at least 1 switching card of configuration.Switching card is only for the exchanges data between 2 bracing cable cards in this case.And switching card is to support between all line cards of complete machine that linear speed exchanges, its inner complex structure that forms.The cost of switching card is higher and power dissipation ratio is larger, if only just very uneconomical for the exchanges data between two bracing cable cards, if it would be more uneconomical further to configure double crossing over card for the consideration of backup.Industry is the comparatively economic switching method when only having two bracing cable cards not also at present.
Summary of the invention
The embodiment of the present invention proposes a kind of switching card and rack-mount unit, only uses the situation of two bracing cable cards for rack-mount unit, with lower power consumption and lower cost, realizes exchanges data.
A kind of switching card that the embodiment of the present invention proposes, comprise high speed connector group, power connector, monitoring unit and monitoring unit power supply, the high speed connector group of described switching card is for connecting two selected adjacent lines slots to the data/address bus of exchange slot.
Preferably, in described high speed connector group, connect 2 groups of high speed data buss on switching card; Described 2 groups of high speed data buss connect data/address bus in the master/slave backup of corresponding line card respectively.
Preferably, described monitoring unit is for reporting card position and Card Type to equipment master control system.
Preferably, described card position is slot number, for identifying this switching card at which exchange slot.
Preferably, described high speed connector group comprises n high speed connector, and n is positive integer, and the value of n is determined by the high-speed differential signal line pair count according to backboard data/address bus and high speed connector self specification.
The embodiment of the present invention also proposes a kind of rack-mount unit, for the situation that only has two bracing cable cards, with lower power consumption and lower cost, realizes exchanges data.Described rack-mount unit comprises backboard, the first line card, the second line card and a foregoing switching card, described the first line card and the second line card insert respectively in the selected adjacent lines slot of backboard, and the high speed connector group of switching card connects the first line card and the second line slot arrives the data/address bus that exchanges slot.
As can be seen from the above technical solutions, in the situation that rack-mount unit only has two line cards, switching card is by two groups of straight-through data/address buss at a high speed on the card connecting in high speed connector, data/address bus by two selected adjacent lines slots to exchange slot couples together, and realizes the exchanges data between these two line cards.This switching card can save private exchange chip, and for management control system and the relevant support circuit part of private exchange chip, thereby the power consumption of greatly reducing and equipment cost.
Accompanying drawing explanation
Fig. 1 a is that in prior art, plug-in card direction is horizontal rack-mount unit structural representation;
Fig. 1 b is that in prior art, plug-in card direction is vertical rack-mount unit structural representation;
Fig. 2 is the schematic diagram that the switching card of prior art mid frame formula equipment is responsible for exchanges data between line card;
Fig. 3 is the internal structure block diagram of switching card of the prior art;
Fig. 4 is the internal structure block diagram that the embodiment of the present invention proposes a kind of switching card;
Fig. 5 is the schematic diagram that the switching card of embodiment of the present invention proposition carries out exchanges data between line card.
Embodiment
The in the situation that of only using 2 bracing cable card on whole set equipment, because exchanges data route between line card only has a kind of form, therefore do not need " complete machine " function of exchange on standard switching card, only the data/address bus " short circuit " of linking switching card on this 2 bracing cable card need to be got up, to complete the requirement of data interchange between 2 bracing cable cards.
For making technical scheme of the present invention, advantage clearer, below by specific embodiment, contrast the present invention program and further elaborate.
The embodiment of the present invention proposes a kind of very low cost switching card that is applicable to exchanges data between two bracing cable cards, shown in its internal structure Fig. 4.Switching card 400 comprises high speed connector group 404,2 groups of high speed data buss on the interior even switching card of described high speed connector group 404, it is respectively straight-through high speed main data bus 405 and straight-through at a high speed from data/address bus 406, being responsible for the data/address bus to exchange slot selected adjacent lines slot couples together, these 2 groups of high speed data buss connect data/address bus in the master/slave backup of corresponding line card respectively, so that this switching card can be used at active/standby exchange slot.The electrical characteristic of 2 groups of high speed data buss on switching card should be consistent with the upper company data/address bus of line card.Because switching card of the present invention is used private exchange chip, do not carry out exchanges data, but use, PCB layout is straight-through to be connected, so reliability is very high, has saved management control system and relevant support circuit part for private exchange chip simultaneously.
In order to obey the unified management of complete machine, on switching card of the present invention, still need to design a monitoring unit 402, monitoring unit 402 is only for (being used in which groove position on equipment to equipment master control system report card position, especially which exchanges slot) and Card Type (for master control system, the low-cost switching card of the present invention is a kind of newly-increased Card Type with respect to the standard switching card of system support).
For switching card can normally be worked on power, in switching card, also comprise connecting power connector 401 and the monitoring unit power supply 403 for monitoring unit 402 is powered of backboard power source interface.
Preferably, described high speed connector group comprises n high speed connector, and n is positive integer, and the value of n is determined by the high-speed differential signal line pair count according to backboard data/address bus and high speed connector self specification.
The switching card that the embodiment of the present invention proposes is used structural member and the packaging material identical with standard switching card, can generate a complete very low cost switching card finished product.
Fig. 5 is the schematic diagram that the switching card of embodiment of the present invention proposition carries out exchanges data between line card.The first line card 501 and the second line card 502 are selected 2 adjacent line slots of appointment on rack-mount unit.Selecting adjacent lines slot is to guarantee that " the high speed data bus access path distance between line card → backboard → switching card → backboard of the present invention → another line card is the shortest.The straight-through high speed main data bus 405 of switching card 400 is connected respectively the first line card 501 and the second line card 502 from data/address bus 406 at a high speed with straight-through.
The corresponding data statistics providing according to market department, for rack-mount unit, user configures the ratio of 2 bracing cable cards more than 30% while choosing for the first time, now, select very low cost switching card provided by the invention, can be user and save very objectively cost of equipment input, also can greatly strengthen the competitiveness of company's product simultaneously.At subscriber traffic, increase, in the time of need to buying more line card (being that rack-mount unit need configure more than 2 bracing cable cards) and carry out supporting business, then consider that the switching card of standard substitutes the present invention's low cost switching card of up-front buys.
The foregoing is only preferred embodiment of the present invention, in order to limit the present invention, within the spirit and principles in the present invention not all, any modification of making, be equal to replacement, improvement etc., within all should being included in the scope of protection of the invention.
Claims (6)
1. a switching card, comprises high speed connector group, power connector, monitoring unit and monitoring unit power supply, it is characterized in that, the high speed connector group of described switching card is for connecting two selected adjacent lines slots to the data/address bus of exchange slot; In described high speed connector group, connect 2 groups of high speed data buss on switching card; Described 2 groups of high speed data buss connect data/address bus in the master/slave backup of corresponding line card respectively.
2. switching card according to claim 1, is characterized in that, described monitoring unit is for reporting described switching card position and described switching card type to equipment master control system.
3. the switching card of stating according to claim 2, is characterized in that, described card position is slot number, for identifying this switching card at which exchange slot.
4. switching card according to claim 2, is characterized in that, described high speed connector group comprises n high speed connector, and n is positive integer, and the value of n is determined by the high-speed differential signal line pair count according to backboard data/address bus and high speed connector self specification.
5. a rack-mount unit, it is characterized in that, described rack-mount unit comprises backboard, the first line card, the second line card and a switching card as claimed in claim 1, described the first line card and the second line card insert respectively in the selected adjacent lines slot of backboard, and the high speed connector group of switching card connects the first line card and the second line slot arrives the data/address bus that exchanges slot; In the high speed connector group of described switching card, connect 2 groups of high speed data buss on switching card; Described 2 groups of high speed data buss connect data/address bus in the master/slave backup of corresponding the first line card and the second line card respectively.
6. a kind of rack-mount unit as claimed in claim 5, is characterized in that, also comprises a monitoring unit in described switching card, and described monitoring unit is for reporting described switching card position and described switching card type to equipment master control system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110154028.7A CN102223239B (en) | 2011-06-03 | 2011-06-03 | Exchange card and rack type equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110154028.7A CN102223239B (en) | 2011-06-03 | 2011-06-03 | Exchange card and rack type equipment |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102223239A CN102223239A (en) | 2011-10-19 |
| CN102223239B true CN102223239B (en) | 2014-01-22 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201110154028.7A Expired - Fee Related CN102223239B (en) | 2011-06-03 | 2011-06-03 | Exchange card and rack type equipment |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI601000B (en) * | 2015-12-24 | 2017-10-01 | 明泰科技股份有限公司 | A chassis switch for interconnecting line cards by using distributed backplane |
| CN107508771A (en) * | 2017-09-18 | 2017-12-22 | 北京百卓网络技术有限公司 | communication equipment with standby control function |
| CN107622033B (en) * | 2017-10-27 | 2024-02-27 | 上海力诺通信科技有限公司 | Intelligent management platform based on orthogonal architecture |
| CN110661733B (en) * | 2018-06-29 | 2021-07-30 | 智邦科技股份有限公司 | Network Interface Cards, Switch Cards, and Line Cards |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1815907A (en) * | 2005-02-02 | 2006-08-09 | 华为技术有限公司 | Intelligent master-and-spare exchanging system and relative tele communication apparatus |
| CN1859244A (en) * | 2005-10-19 | 2006-11-08 | 华为技术有限公司 | Master and slave frame cascade system in cut-in device |
| CN101242284A (en) * | 2008-03-20 | 2008-08-13 | 杭州华三通信技术有限公司 | Communication method and network device based on SPI bus |
| CN101247235A (en) * | 2008-03-20 | 2008-08-20 | 中兴通讯股份有限公司 | Rack-mounted equipment and its main control module and sub-modules |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20060165080A1 (en) * | 2005-01-24 | 2006-07-27 | International Business Machines Corporation | Replicated distributed responseless crossbar switch scheduling |
| US7516263B2 (en) * | 2006-02-27 | 2009-04-07 | Emerson Network Power - Embedded Computing, Inc. | Re-configurable PCI-Express switching device |
| CN101257390A (en) * | 2008-03-10 | 2008-09-03 | 中兴通讯股份有限公司 | Rack-mounted network device and its network processor plug-in card and service processing method |
-
2011
- 2011-06-03 CN CN201110154028.7A patent/CN102223239B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1815907A (en) * | 2005-02-02 | 2006-08-09 | 华为技术有限公司 | Intelligent master-and-spare exchanging system and relative tele communication apparatus |
| CN1859244A (en) * | 2005-10-19 | 2006-11-08 | 华为技术有限公司 | Master and slave frame cascade system in cut-in device |
| CN101242284A (en) * | 2008-03-20 | 2008-08-13 | 杭州华三通信技术有限公司 | Communication method and network device based on SPI bus |
| CN101247235A (en) * | 2008-03-20 | 2008-08-20 | 中兴通讯股份有限公司 | Rack-mounted equipment and its main control module and sub-modules |
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| CN102223239A (en) | 2011-10-19 |
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Granted publication date: 20140122 |