CN1284806A - Back board for comprehensive access equipment - Google Patents
Back board for comprehensive access equipment Download PDFInfo
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- CN1284806A CN1284806A CN 99121252 CN99121252A CN1284806A CN 1284806 A CN1284806 A CN 1284806A CN 99121252 CN99121252 CN 99121252 CN 99121252 A CN99121252 A CN 99121252A CN 1284806 A CN1284806 A CN 1284806A
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- backboard
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- board
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Abstract
The back board of the present invention consists of narrowband sub-board, wide-band sub-board and interface sub-board. The narrowband sub-board provides a marrow-board assembly, the wide-band sub-board provides a wide-band assembly, the interface sub-board provides outward interface, and the narrow-board sub-board and the wide-band sub-board are separated from each other. The three sub-boards are provided with universal slots for various single board essential for comprehensive access equipment to be inserted. The single boards in the slots are flexible and exchangeable and each single board may use 1-3 of the sub-boards as required.
Description
The present invention relates to communication equipment, is a kind of backplane technology of access network equipment, specifically a kind of backboard of integrated access equipment.
The backboard of existing access network equipment has mainly adopted such three class formations: 1, non-bus structures.The characteristics of this structure are that the groove position of various veneers in frame or subrack fixed, can not exchange, thereby very flexible.2, unibus structure.It has overcome the shortcoming in the non-bus structures, each single-board slot is interchangeable, the function of equipment can increase by increasing new veneer kind or changing board software, but this structure can only realize arrowband function or broadband feature separately, and arrowband and broadband feature can't be lumped together.3, dual-bus structure.This structure can provide arrowband bus and wideband bus simultaneously, can realize the integrated of arrowband and broadband.Its shortcoming is that two kinds of buses provide simultaneously, only need provide under the occasion of narrow band service or broadband services the cost height of equipment.
The purpose of this invention is to provide and a kind ofly both can realize that arrowband and broadband were integrated, do not increase cost again, reach the back board for comprehensive access equipment that the arrowband seamlessly transits to the broadband.
The present invention can realize in the following way: it is made up of three sub-backboards, and they are respectively the sub-backboard in arrowband, cummerbund backboard and the sub-backboard of interface, wherein provide the arrowband bus on the sub-backboard in arrowband, use for narrowband service board; Provide wideband bus on the cummerbund backboard, use for the broadband services plate; Separate between the sub-backboard in arrowband and the cummerbund backboard, wherein one can only be installed during installation, also can two install simultaneously; Unified external connector is provided on the sub-backboard of interface, it is the external interface of equipment, be used for the business interface on the miscellaneous service plate is caused device external, it can be attached on sub-backboard in arrowband or the cummerbund backboard, also independently mode is separated with the cummerbund backboard with the sub-backboard in arrowband, when it is attached on sub-backboard in arrowband or the cummerbund backboard, it as just one in logic sub-backboard and exist; Three sub-backboard unifications provide several universal vat positions, are used to insert the required various veneers of integrated access equipment, and such as various disposable plates, miscellaneous service plate and various power panels etc., the position of these veneers on backboard is agile and all-purpose, can arbitrarily plug; Every veneer can only use in three sub-backboards, also can use wherein any two, also can three all uses, and no sub-backboard can not installed.
The present invention contrasts prior art and has following advantage: 1, broadband services and narrow band service are comprehensively in a machine frame, constituted the comprehensive hardware platform of broadband and arrowband, make equipment both can provide narrow band service, broadband services be can provide again, thereby broadband and the incorporate integrated access equipment in arrowband realized; 2, wide, the sub-backboard in arrowband owing to backboard separates, thereby in the time only need providing narrow band service, the expensive cummerbund backboard of the price eighteenth of the twenty can be installed, thereby greatly reduce the cost of equipment, when needs expansions broadband services, again the cummerbund backboard is added and reach the purpose that the arrowband seamlessly transits to the broadband; 3, each the groove position in the machine frame is general mutually, and the function of each machine frame is determined by the feature board that inserts and the software of operation.In the time will increasing new business, as long as increase veneer kind or change software, and do not need system configuration is done any change, thereby professional increase and decrease is very simple, has also effectively protected the investment of equipment simultaneously.But 4, all independent design, making, debugging and maintenances of the sub-backboard in arrowband, cummerbund backboard and the sub-backboard of interface, can adopt the printed substrate of the different numbers of plies respectively, this helps shortening the Products Development cycle, improves the maintainability of equipment, reduces the cost of equipment.
The invention will be further described below in conjunction with drawings and Examples:
Fig. 1 is a structural representation of the present invention;
Fig. 2 is a groove bitmap of the present invention;
Fig. 3 is the location diagram between each sub-backboard of the present invention and the groove position;
Fig. 4 is the total line chart on the sub-backboard in arrowband of the present invention;
Fig. 5 is the total line chart on the cummerbund backboard of the present invention;
Fig. 6 is the total line chart on the sub-backboard of interface of the present invention.
The sub-backboard 1 in arrowband, the sub-backboard 2 of interface and cummerbund backboard 3 have constituted the backboard of the basic module (or claiming basic subrack) of access device, and they are fixed on the behind of 19 inches high standard machine frames 4 of 7U.Described three sub-backboards are separated from each other, whole back plate is provided with 20 groove positions, be used to patch the required various types of veneers of integrated access equipment, 2 of two ends groove positions 6 are exclusively used in and insert various power panels wherein, middle 18 groove positions 5 are the universal vat position, can insert the required various disposable plates of integrated access equipment, miscellaneous service plate and various power panels etc. flexibly.General narrowband service board uses sub-backboard 1 in arrowband and the sub-backboard 2 of interface, and the broadband services plate uses cummerbund backboard 3 and the sub-backboard 2 of interface, and broadband and narrow band synthesis business board then use this three sub-backboards simultaneously.But three sub-backboard independent design, making, debugging and maintenances separating can be adopted the printed substrate of the different numbers of plies respectively.For narrow band access equipment, cummerbund backboard 3 can be installed, thereby reduce the cost of equipment.When it need expand broadband services, again cummerbund backboard 3 is added, thereby realize the purpose that the arrowband seamlessly transits to the broadband.
Under most occasions, sub-backboard 1 in arrowband and the sub-backboard 2 of interface use simultaneously, narrow band service is provided, when needs expansion broadband services, increase cummerbund backboard 3 again, therefore the sub-backboard 2 of interface can be attached on the sub-backboard 1 in arrowband, the printed substrate that also is about to these two sub-backboards lumps together, the sub-backboard of interface this moment as just one in logic sub-backboard and exist.The advantage of this mode is the installation of being convenient to printed substrate, also increased the wiring area of printed substrate simultaneously, shortcoming is the flexibility that has reduced equipment, under the occasion that only needs broadband services, has to the sub-backboard 1 in arrowband is also installed together for the sub-backboard 2 of mounting interface.
The sub-backboard 1 in arrowband provides the arrowband bus, uses for narrowband service board.It is made up of 8,2 single-chip microcomputer MCS51 of 16 time division multiplexing tdm buses serial bus 7, test bus 9 and power bus 10.Wherein time division multiplexing tdm bus 8 receives by 16 that line DR0-15,16 send line DT0-15, clock line CLK and line synchro SYNC forms, be mainly used in the carrying of speech and data and the transmission of part signaling, its operating frequency can reach 8MHz, and clock frequency can reach 32MHz.Article 2, single-chip microcomputer MCS51 serial bus 7 is a semiduplex mode, form by SER0 and SER1, be used for the veneer control in the basic subrack and the transmission of part signaling, can work in main-standby mode, load sharing mode or mode fully independently according to the difference of the Main Processing Unit that is inserted.Test bus 9 adopts four line modes, form by 2 Internal Line Test line IA, IB and 2 Loop test line OA, OB, be mainly used in the CCS casual clearing station subscriber line test, comprise to the test of public switch telephone network PSTN with to the test of integrated services digital network ISDN, also can be used for the circuit test and loop line test of various digital junctions and analog junction.Power bus 10 is used to transmit the required various power supplys of narrow band service, have+5V ,-5V ,-48V ,-97V, ringing-current RING, power supply ground BGND, digitally DGND, protection ground PGND.Printed substrate adopts 4 layers.
Cummerbund backboard 3 provides wideband bus, uses for the broadband services plate.It is by asynchronous transfer mode ATM cell bus 12,10 million ether buses 11, and high speed serial bus 13 and power bus 14 are formed.Wherein asynchronous transfer mode ATM cell bus 12 adopts the Cubit chip, form by 32 data wire CBD0-31 and 5 control line CBC0-4, be used for wideband data carrying and exchange, ether bus 11 and high speed serial bus 13 are used for the veneer control and the signaling transmission of basic subrack inner width band portion, ether bus 11 is made up of data wire ETH and ground wire EGND, high speed serial bus 13 is formed by receiving line HSERR and sending line HSERT, its baud rate can reach 5Mbps, power bus 14 is used for the professional required various power supplys of transmission broadband, have+3.3V ,+1.2V, DGND digitally.Printed substrate adopts 6 layers.
The sub-backboard 2 of interface provides unified external connector, is the external interface of equipment.Externally connector adopts 3 * 32 pins to exempt to weld socket, establishes one on each groove position, is used for the business interface on the miscellaneous service plate is caused device external.For making full use of the backboard area, this sub-backboard provides power line 15 and ground wire 16 simultaneously, with to the power line+5V commonly used of the part in the power bus 14 of the power bus 10 of arrowband backboard and broadband backboard ,+3.3V and ground wire PGND, DGND play the effect of shunting and backup.Printed substrate adopts double sided board.
Three sub-backboards with broadband services and narrow band service comprehensively in a basic subrack, constituted the comprehensive hardware platform of broadband and arrowband, make equipment both can provide narrow band service, can provide broadband services again, thereby realize broadband and the incorporate integrated access equipment in arrowband.Each groove position in the basic subrack is general mutually, and the function of each basic subrack is determined by the feature board that inserts and the software of operation.When needs increase new business, only need to increase the veneer kind or change software to get final product, and do not need system configuration is done any change.
Claims (3)
1, a kind of back board for comprehensive access equipment, it is characterized in that: described backboard is made up of three sub-backboards, they are respectively the sub-backboard in arrowband (1), cummerbund backboard (3) and the sub-backboard of interface (2), provide the arrowband bus on the sub-backboard in arrowband (1), the cummerbund backboard provides wideband bus on (3), provides external interface on the sub-backboard of interface; Separate between the sub-backboard in arrowband (1) and the cummerbund backboard (3), the sub-backboard of interface (2) can be attached on sub-backboard in arrowband (1) or the cummerbund backboard (3), and also independently mode is separated with cummerbund backboard (3) with the sub-backboard in arrowband (1); Described backboard provides several universal vat positions, is used to patch the required various veneers of integrated access equipment, and each veneer can exchange flexibly on the universal vat position; Every veneer can only use in three sub-backboards as required, also can use wherein any two, also can three all uses, and no sub-backboard can not installed.
2, back board for comprehensive access equipment as claimed in claim 1 is characterized in that: time division multiplexing tdm bus (8) is adopted in the speech of the arrowband bus on the sub-backboard in described arrowband (1) and Data-carrying.
3, back board for comprehensive access equipment as claimed in claim 1 is characterized in that: asynchronous transfer mode ATM cell bus (12) is adopted in the Data-carrying of the wideband bus on the described cummerbund backboard (3) and exchange.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 99121252 CN1284806A (en) | 1999-10-22 | 1999-10-22 | Back board for comprehensive access equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 99121252 CN1284806A (en) | 1999-10-22 | 1999-10-22 | Back board for comprehensive access equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1284806A true CN1284806A (en) | 2001-02-21 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 99121252 Pending CN1284806A (en) | 1999-10-22 | 1999-10-22 | Back board for comprehensive access equipment |
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| Country | Link |
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| CN (1) | CN1284806A (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2007065330A1 (en) * | 2005-12-06 | 2007-06-14 | Huawei Technologies Co., Ltd. | A broadband and narrow-band unification board of the integrated access device |
| WO2008025256A1 (en) * | 2006-08-23 | 2008-03-06 | Huawei Technologies Co., Ltd. | Integrated cut-in system and method and integrated cut-in module |
| CN100426322C (en) * | 2005-03-25 | 2008-10-15 | 上海华为技术有限公司 | Recognition system for single-board slot in frame |
| WO2009067939A1 (en) * | 2007-11-21 | 2009-06-04 | Huawei Technologies Co., Ltd. | A communication system and device |
| WO2011137705A1 (en) * | 2010-05-06 | 2011-11-10 | 华为技术有限公司 | Method for implementing main distribution frame and main distribution frame |
| CN1791123B (en) * | 2004-12-13 | 2012-05-23 | 阿尔卡特公司 | Support identification device and method |
-
1999
- 1999-10-22 CN CN 99121252 patent/CN1284806A/en active Pending
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1791123B (en) * | 2004-12-13 | 2012-05-23 | 阿尔卡特公司 | Support identification device and method |
| CN100426322C (en) * | 2005-03-25 | 2008-10-15 | 上海华为技术有限公司 | Recognition system for single-board slot in frame |
| WO2007065330A1 (en) * | 2005-12-06 | 2007-06-14 | Huawei Technologies Co., Ltd. | A broadband and narrow-band unification board of the integrated access device |
| CN101156353B (en) * | 2005-12-06 | 2011-08-10 | 华为技术有限公司 | Broad and narrow band integrated plate of integral access equipment |
| WO2008025256A1 (en) * | 2006-08-23 | 2008-03-06 | Huawei Technologies Co., Ltd. | Integrated cut-in system and method and integrated cut-in module |
| US8385327B2 (en) | 2006-08-23 | 2013-02-26 | Huawei Technologies Co., Ltd | Access system, method, and device |
| WO2009067939A1 (en) * | 2007-11-21 | 2009-06-04 | Huawei Technologies Co., Ltd. | A communication system and device |
| WO2011137705A1 (en) * | 2010-05-06 | 2011-11-10 | 华为技术有限公司 | Method for implementing main distribution frame and main distribution frame |
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