CN105376659A - An optical back board component and a communication apparatus - Google Patents
An optical back board component and a communication apparatus Download PDFInfo
- Publication number
- CN105376659A CN105376659A CN201510646257.9A CN201510646257A CN105376659A CN 105376659 A CN105376659 A CN 105376659A CN 201510646257 A CN201510646257 A CN 201510646257A CN 105376659 A CN105376659 A CN 105376659A
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- board
- light back
- back board
- power
- port
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q1/00—Details of selecting apparatus or arrangements
- H04Q1/02—Constructional details
- H04Q1/15—Backplane arrangements
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B10/00—Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
- H04B10/27—Arrangements for networking
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- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Signal Processing (AREA)
- Optical Modulation, Optical Deflection, Nonlinear Optics, Optical Demodulation, Optical Logic Elements (AREA)
- Optical Couplings Of Light Guides (AREA)
Abstract
The invention provides an optical back board component and a communication apparatus and aims to design an optical back board flexibly, effectively reduce the size of the optical back board and reduce the implementation difficulty and cost of the optical back board. The optical back board component comprises a service board, at least one exchange board and at least one optical back board, wherein the optical back board is connected with the exchange board and the service board. The optical back board component is characterized in that the exchange board and the optical back board are connected in a one-to-one manner or one exchange board is connected with a plurality of optical back boards. The number of channels supported by one optical back board is greater than or equal to a first port number, wherein the first port number is the number of the ports used when the exchange board connected to the optical back board is connected to the optical back board.
Description
Technical field
The present invention relates to communication technical field, particularly relate to a kind of light back board assembly and a kind of communication equipment.
Background technology
Backboard, as one of important component part in communication equipment, is generally made up of elements such as multilayer printed board, connector and pilot pins, and backboard provides signal to connect and the effect of physical support for the veneer in system, module etc.Along with the development of modern communication technology and user are to the surge of bandwidth demand, in communication equipment between line card and switching card data link transmission rate requirement more and more higher, the limit of backboard transmission rate and port density is constantly being challenged.
The structure of electricity backboard as shown in Figure 1, realize being electrically connected by the electric connector on electric backboard between power board with business board slot, each power board needs the connection of realization and all business board slots, if an electric backboard connects more than one power board, then just there is cross reference between power board.Electricity backboard, by cross wiring in printed circuit board (PrintedCircuitBoard, PCB) plate, realizes the connection between power board and business board slot, thus realizes the communication function between different business node.
Along with increasing of the serial link more than 10G+/25G+, improve gradually the requirement of signal rate and linkage length, because electric backboard is to the restriction of linkage length, veneer sheet material etc., light back board is widely used gradually.The structure of light back board as shown in Figure 2, structure and the electric backboard of light back board are similar, also for realizing the communication function between different business node, the difference of light back board and electric backboard is, light back board realizes the connection between power board and business board slot by fiber waveguide or optical fiber.
At present, as shown in Figure 3, a backboard (electric backboard or light back board) connects multiple power board, and each power board exists multiple chip, cross reference between power board also becomes increasingly complex, and therefore a backboard will realize cross reference complicated between multiple power board.Along with the continuous increase of number of chips on power board and power board, inevitably cause the scale of backboard constantly to become large, therefore all there is very high challenge in realize difficulty, process-cycle and the cost of backboard.
Summary of the invention
Embodiments provide a kind of light back board assembly and a kind of communication equipment, with flexible design light back board, effectively reduce light back board scale, that reduces light back board realizes difficulty and cost.
First aspect, a kind of light back board assembly that the embodiment of the present invention provides, comprise business board, at least one power board and at least one light back board, light back board is connected with power board and business board respectively;
Power board and light back board connect one to one, or a power board connects multiple light back board;
Wherein, the number of channels of a light back board support is more than or equal to the first port number, and described first port number is the quantity of the port that the power board that this light back board connects uses when being connected with this light back board.
In conjunction with first aspect, in the implementation that the first is possible, when a power board connects multiple light back board, the default port on this power board on each chip is connected with same light back board, the section ports on this default port-for-port place chip.
In conjunction with first aspect, in the implementation that the second is possible, when a power board connects multiple light back board, on this power board, all of the port preset on chip is connected with same light back board.
In conjunction with the implementation that the first or the second of first aspect, first aspect are possible, in the third possible implementation of first aspect, the number of channels of a light back board support equals described first port number.
In conjunction with the implementation that the first or the second of first aspect, first aspect are possible, in the 4th kind of possible implementation of first aspect, be directly connected by fiber waveguide or optical fiber between business board with light back board.
In conjunction with the implementation that the first or the second of first aspect, first aspect are possible, in the 5th kind of possible implementation of first aspect,
By fiber waveguide or Fiber connection between power board and light back board; Or
Be connected by printing board PCB between power board with light back board.
Second aspect, a kind of communication equipment that the embodiment of the present invention provides, this communication equipment comprises the first arbitrary described light back board assembly to the 5th kind of possible implementation of first aspect, first aspect.
In a kind of light back board assembly that the embodiment of the present invention provides and a kind of communication equipment, power board and light back board connect one to one, and therefore this light back board can realize the annexation of a connected power board; Or a power board connects multiple light back board, therefore light back board can realize the part annexation of a connected power board.In contrast to the annexation that existing backboard (light back board or electric backboard) needs to realize multiple power board complexity, can according to power board flexible design light back board in the embodiment of the present invention, the light back board that the embodiment of the present invention provides is relative to existing light back board, effectively reduce light back board scale, so reduce light back board realize difficulty and cost.
Accompanying drawing explanation
Fig. 1 is existing a kind of electric backboard, connection diagram between power board and business board;
Fig. 2 is existing a kind of light back board, connection diagram between power board and business board;
Fig. 3 is existing a kind of backboard, connection diagram between power board and business board;
A kind of light back board modular construction schematic diagram that Fig. 4 provides for the embodiment of the present invention;
A kind of light back board modular construction schematic diagram that Fig. 5 provides for the embodiment of the present invention;
A kind of light back board modular construction schematic diagram that Fig. 6 provides for the embodiment of the present invention;
A kind of light back board modular construction schematic diagram that Fig. 7 provides for the embodiment of the present invention.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, be clearly and completely described the technical scheme in the embodiment of the present invention, obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.
The embodiment of the present invention provides a kind of light back board assembly and a kind of communication equipment.Wherein, light back board assembly and communication equipment are based on same inventive concept, and the principle of dealing with problems due to light back board assembly and communication equipment is similar, and therefore the enforcement of communication equipment and light back board assembly can cross-reference, repeat part and repeat no more.
The technical scheme that the embodiment of the present invention provides relates to light back board, light back board is as one of important component part in communication equipment, generally be made up of elements such as multilayer printed board, connector and pilot pins, light back board provides signal to connect and the effect of physical support for the veneer in system, module etc.Light back board realizes the connection between power board and business board slot by fiber waveguide or optical fiber, thus realizes the communication function between different business node.
A kind of light back board assembly that the embodiment of the present invention provides comprises business board, at least one power board and at least one light back board, and light back board is connected with power board and business board respectively.Wherein, power board and light back board connect one to one, and therefore this light back board can realize the annexation of a connected power board; Or a power board connects multiple light back board, therefore light back board can realize the part annexation of a connected power board.In contrast to the annexation that existing backboard (light back board or electric backboard) needs to realize multiple power board complexity, can according to power board flexible design light back board in the embodiment of the present invention, the light back board that the embodiment of the present invention provides is relative to existing light back board, effective reduction light back board scale, so reduce light back board realize difficulty and cost.
As shown in Figure 4, the embodiment of the present invention provides a kind of light back board assembly 400, comprise business board 401, at least one power board 402 and at least one light back board 403, light back board 403 is connected with power board 402 and business board 401 respectively, and a power board 402 connects one or more light back board 403; Wherein,
Power board 402 and light back board 403 connect one to one; Or a power board 402 connects multiple light back board 403;
The number of channels of a light back board support is more than or equal to the first port number, and described first port number is the quantity of the port that the power board that this light back board connects uses when being connected with this light back board.
In Fig. 4, at least one power board 402 comprise power board 402#1 to power board 402#n, n be more than or equal to 1 integer.
In the present embodiment, when power board and light back board connect one to one, for a power board, all of the port on the chip of this power board is all connected to the light back board that this power board connects, the number of channels of this light back board support is more than or equal to the first port number, and now the first port number is the quantity of all of the port on this power board; Preferably, the number of channels of this light back board support equals the quantity of all of the port on this power board, and now while guarantee light back board is normally connected with power board, the scale of light back board is minimum.By fiber waveguide or Fiber connection between power board and light back board, or be connected by short-range PCB between power board with light back board, directly be connected by fiber waveguide or optical fiber between light back board with business board, be different from prior art between light back board and business version by fiber waveguide or optical fiber interconnection.
Illustrate (one), when power board and light back board connect one to one, in the light back board assembly that the embodiment of the present invention provides, power board and light back board can adopt the connected mode shown in Fig. 5, when light back board assembly comprises multiple power board, each power board and light back board all can adopt the connected mode shown in Fig. 5.
Light back board assembly shown in Fig. 5 comprises power board 501, light back board 502 and business board 503, power board 501 comprises chip #1 to chip #n, each chip comprises four port B, on light back board 502, on node A and power board 501, the port B of chip connects one to one, and on light back board 502, the quantity of node A equals the quantity of power board 501 upper port B.To take up an official post Single port B for power board 501, port B and light back board 502 can pass through fiber waveguide or Fiber connection between node A, or connected by short-range PCB, on light back board 502, the optical connector 504 of node A and light back board 502 is by fiber waveguide or Fiber connection, the optical connector 504 of light back board 502 and the slot of business board 503 by fiber waveguide or Fiber connection, and then realize the connection of power board 501 and business board 503 by light back board 502.The number of channels that light back board 502 is supported equals the port number of power board 501, and the port number of power board 501 is 4n.
In the present embodiment, when a power board is connected with multiple light back board, for arbitrary power board, this power board and multiple light back board can adopt following two kinds of connected modes:
Connected mode one: the default port on power board on each chip is connected with same light back board.
Default port on the part or all of chip of power board is connected with same light back board, the section ports on this default port-for-port place chip, and the light back board that different power boards connects is not identical.The number of channels of arbitrary light back board support is more than or equal to the first port number, and now the first port number is the default port sum be connected with this light back board; Preferably, the number of channels of this light back board support equals the default port sum be connected with this light back board, and now while guarantee light back board is normally connected with power board, the scale of light back board is minimum.By fiber waveguide or Fiber connection between power board upper port and light back board, or power board upper port is connected by short-range PCB with between light back board, directly be connected by fiber waveguide or optical fiber between light back board with business board, be different from prior art between light back board and business version by fiber waveguide or optical fiber interconnection.
Illustrate (two), light back board assembly shown in Fig. 6 comprises power board 601, light back board 602 and business board 603, and power board 601 comprises chip #1 to chip #n, and each chip comprises four port B, chip #1 comprises port B1 ~ B4, and chip #n comprises port B1 ~ B4.Fig. 6 comprises m light back board 602, and namely light back board 602#1 is to light back board 602#m, and each light back board 602 exists multiple node A, and on light back board 602, on node A and power board 601, the port B of chip connects one to one.Concrete, for chip #1 and chip #n, chip #1 upper port B1 and port B2 are connected with the node A on light back board 602#1 respectively, chip #1 upper port B3 and port B4 are connected with the node A on light back board 602#m respectively, chip #n upper port B5 and port B6 are connected with the node A on light back board 602#1 respectively, chip #n upper port B7 is connected with the node A on light back board 602#m with port B8, on light back board 602#1, the quantity of node A equals the quantity of the port B be connected with light back board 602#1, on light back board 602#m, the quantity of node A equals the quantity of the port B be connected with light back board 602#m.To take up an official post Single port B for power board 601, port B and light back board 602 can pass through fiber waveguide or Fiber connection between node A, or connected by short-range PCB, on light back board 602, the optical connector 604 of node A and light back board 602 is by fiber waveguide or Fiber connection, the optical connector 604 of light back board 602 and the slot of business board 603 by fiber waveguide or Fiber connection, and then realize the connection of power board 601 and business board 603 by light back board 602.The number of channels that arbitrary light back board 602 is supported equals the port number be connected with this light back board 602, for the connected mode shown in Fig. 6, if each chip of each power board 601 all there are two port B be connected with same light back board 602, then the number of channels that each light back board 602 is supported is 2n.
It should be noted that, when power board comprises multiple chip, can be that the default port on part or all of chip is connected with same light back board, the default port number on each chip be connected with this light back board can be the same or different.Optionally, the port that on the chip of power board, model is identical is connected with same light back board.Such as, power board comprises chip #1, chip #2 and chip #3, and each chip has four ports, and the light back board be connected with this power board has two, i.e. light back board #1 and light back board #2; Now, three ports on chip #1 are connected with light back board #1, and two ports on chip #3 are connected with light back board #1, and chip #1, chip #2 are all connected with light back board #2 with the remaining port on chip #3.
Connected mode two: on power board, all of the port preset on chip is connected with same light back board.
When on power board, all of the port preset on chip is connected with same light back board, the light back board that different power boards connects is not identical, the number of channels of arbitrary light back board support is more than or equal to the first port number, and now the first port number is the port sum on the default chip that is connected with this light back board; Preferably, the number of channels of this light back board support equals the port sum on the default chip that is connected with this light back board, and now while guarantee light back board is normally connected with power board, the scale of light back board is minimum.By fiber waveguide or Fiber connection between power board upper port and light back board, or power board upper port is connected by short-range PCB with between light back board, directly be connected by fiber waveguide or optical fiber between light back board with business board, be different from prior art between light back board and business version by fiber waveguide or optical fiber interconnection.
Illustrate (three), light back board assembly shown in Fig. 7 comprises power board 701, light back board 702 and business board 703, power board 701 comprises chip #1 to chip #n, each chip comprises four port B, the light back board be connected with power board 701 has two, i.e. light back board 702#1 and light back board 702#2, there is multiple node A in each light back board 702, and on light back board 702, on node A and power board 701, the port B of chip connects one to one.Concrete, in chip #1 to chip #n-1, on each chip, all of the port B is all connected with light back board 702#1, and on chip #n, all of the port B is connected with light back board 702#2.To take up an official post Single port B for power board 701, port B and light back board 702 can pass through fiber waveguide or Fiber connection between node A, or connected by short-range PCB, on light back board 702, the optical connector 704 of node A and light back board 702 is by fiber waveguide or Fiber connection, the optical connector 704 of light back board 702 and the slot of business board 703 by fiber waveguide or Fiber connection, and then realize the connection of power board 701 and business board 703 by light back board 702.The number of channels that arbitrary light back board 702 is supported equals the port number be connected with this light back board 702, and for the connected mode shown in Fig. 6, the number of channels that light back board 702#1 supports is the number of channels that 4 (n-1), light back board 702#2 support is 4.
It should be noted that, when power board connects multiple light back board and adopts connected mode two between power board and multiple light back board, the power board chip that different light back boards connects can be the same or different.
By the technical scheme that the embodiment of the present invention provides, can according to power board flexible design light back board, the light back board that the embodiment of the present invention provides, relative to existing backboard, can effectively reduce backboard scale, so reduce light back board realize difficulty and cost.Illustrate below, the light back board that the embodiment of the present invention provides can effectively reduce light back board scale relative to existing backboard.
Illustrate (four), suppose a kind of system scenarios, this scene comprises: power board quantity is 8, and each power board comprises four chips, and each chip uses 128 ports, and business board slot is 32.Adopt the connected mode of prior art dorsulum and power board, existing backboard (backboard is electric backboard or light back board) needs to be connected with 8 power boards, now backboard needs the passage scale supported to be 8*4*128=4096 passage (port), each passage comprise receive and send out 2 differential pairs, so need in system realize difference quantity be 4096*2=9192 (to).
Power board in the light back board assembly provided by the embodiment of the present invention and the connected mode of light back board, each light back board needs the number of channels of support as follows:
One, when power board and light back board connect one to one, each power board is connected with a light back board, a light back board needs the passage scale supported to be 4*128=512 passage (port), each passage comprises to be received and sends out 2 differential pairs, light back board need the difference quantity supported be 512*2=1024 (to).Relative to existing electric backboard and light back board, the passage scale of this light back board that the present embodiment provides only has 1/8 of existing backboard.
Two, power board be connected with multiple light back board and default port on power board on each chip is connected with same light back board time, suppose that a power board is connected with four light back boards, the port that on power board, each chip goes out 1/4 is connected with same light back board, now a light back board needs the passage scale supported to be 4* (128/4)=128 passage (port), each passage comprises to be received and sends out 2 differential pairs, light back board need the difference quantity supported be 128*2=526 (to).Relative to existing electric backboard and light back board, the passage scale of this light back board that the present embodiment provides only has 1/32 of existing backboard.
Three, power board be connected with multiple light back board and on power board, all of the port preset on chip is connected with same light back board time, suppose that a power board is connected with four light back boards, now a light back board needs the passage scale supported to be 1*128=128 passage (port), each passage comprises to be received and sends out 2 differential pairs, light back board need the difference quantity supported be 128*2=526 (to).Relative to existing electric backboard and light back board, the passage scale of this light back board that the present embodiment provides only has 1/32 of existing backboard.
It should be noted that, the quantity of the light back board be connected with a power board specifically can be arranged according to actual conditions, is not limited to the foregoing that the embodiment of the present invention provides.
Based on above embodiment, present invention also offers a kind of communication equipment, this communication equipment can be the equipment identical with the light back board assembly shown in Fig. 4.
In a kind of light back board assembly that the embodiment of the present invention provides and a kind of communication equipment, power board and light back board connect one to one, and therefore this light back board can realize the annexation of a connected power board; Or a power board connects multiple light back board, therefore light back board can realize the part annexation of a connected power board.In contrast to the annexation that existing backboard (light back board or electric backboard) needs to realize multiple power board complexity, can according to power board flexible design light back board in the embodiment of the present invention, the light back board that the embodiment of the present invention provides is relative to existing light back board, effectively reduce light back board scale, so reduce light back board realize difficulty and cost.
Although describe the preferred embodiments of the present invention, those skilled in the art once obtain the basic creative concept of cicada, then can make other change and amendment to these embodiments.So claims are intended to be interpreted as comprising preferred embodiment and falling into all changes and the amendment of the scope of the invention.
Obviously, those skilled in the art can carry out various change and modification to the embodiment of the present invention and not depart from the spirit and scope of the embodiment of the present invention.Like this, if these amendments of the embodiment of the present invention and modification belong within the scope of the claims in the present invention and equivalent technologies thereof, then the present invention is also intended to comprise these change and modification.
Claims (7)
1. a light back board assembly, comprise business board, at least one power board and at least one light back board, light back board is connected with power board and business board respectively, it is characterized in that:
Power board and light back board connect one to one, or a power board connects multiple light back board;
Wherein, the number of channels of a light back board support is more than or equal to the first port number, and described first port number is the quantity of the port that the power board that this light back board connects uses when being connected with this light back board.
2. light back board assembly as claimed in claim 1, it is characterized in that, when a power board connects multiple light back board, the default port on this power board on each chip is connected with same light back board, the section ports on the chip of described default port-for-port place.
3. light back board assembly as claimed in claim 1, is characterized in that, when a power board connects multiple light back board, on this power board, all of the port preset on chip is connected with same light back board.
4. the light back board assembly as described in as arbitrary in claims 1 to 3, it is characterized in that, the number of channels of a light back board support equals described first port number.
5. the light back board assembly as described in as arbitrary in claims 1 to 3, be is characterized in that, be directly connected between business board with light back board by fiber waveguide or optical fiber.
6. the light back board assembly as described in as arbitrary in claims 1 to 3, is characterized in that,
By fiber waveguide or Fiber connection between power board and light back board; Or
Be connected by printing board PCB between power board with light back board.
7. a communication equipment, is characterized in that, comprise as arbitrary in claim 1 to 6 as described in light back board assembly.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510646257.9A CN105376659B (en) | 2015-09-30 | 2015-09-30 | A kind of light back board component and a kind of communication equipment |
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| CN201510646257.9A CN105376659B (en) | 2015-09-30 | 2015-09-30 | A kind of light back board component and a kind of communication equipment |
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| CN105376659A true CN105376659A (en) | 2016-03-02 |
| CN105376659B CN105376659B (en) | 2019-05-28 |
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| CN105376659B (en) | 2019-05-28 |
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