CN206332674U - A kind of Ethernet switch wiring board - Google Patents
A kind of Ethernet switch wiring board Download PDFInfo
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- CN206332674U CN206332674U CN201621154345.3U CN201621154345U CN206332674U CN 206332674 U CN206332674 U CN 206332674U CN 201621154345 U CN201621154345 U CN 201621154345U CN 206332674 U CN206332674 U CN 206332674U
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- wiring board
- chip
- exchange
- ethernet switch
- clock
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Abstract
The utility model discloses a kind of Ethernet switch wiring board, it is related to data communication products technical field, the device includes：CPU, Large Copacity exchange chip, High speed rear panel connector, clock and data recovery (CDR) chip, optical module；CPU connection Large Copacity exchange chips, Large Copacity exchange chip provides 64 pairs of Serdes interfaces connection High speed rear panel connectors, and Large Copacity exchange chip provides 48 pairs of Serdes interfaces connection CDR chips, and connects optical module by CDR chips.The utility model uses monolithic Large Copacity exchange chip BCM56860 connection CDR chips, optical module, it is also connected with High speed rear panel connector simultaneously, two panels exchange chip and switching card need not be used, avoid data exchange between exchange chip, it more rationally make use of the exchange bandwidth of chip, data exchange efficiency is improved, cost and power consumption is reduced.
Description
Technical field
The utility model is related to data communication products technical field, and in particular to a kind of Ethernet switch wiring board.
Background technology
In today of information technology fast development, data communication technology is in an increasingly wide range of applications, Metro Ethernet
The business of upper carrying is increasingly enriched, the quality requirement more and more higher of business transmission.To meet miscellaneous service in Metro Ethernet
On in high quality access and transmit, high-end Ethernet switch it is primary be applied to Metropolitan Area Network (MAN) in service access and convergence-level, carry
The interfaces such as 1GbE, 10GbE and 40GbE for linear speed, for the requirement also more and more higher of the exchange capacity of wiring board.
Realize that the general switching card by two panels exchange chip and one piece of interchanger of wiring board high-exchange-capacity completes circuit
Exchange chip exchanges data in plate.It is shown in Figure 1, line is completed by the switching card of interchanger using the common exchange chip of two panels
The data of optical module SFP+_1 ports forward a packet to optical module SFP+_48 ports in the plate of road.Optical module SFP+_1 data are first deposited
Storage is in exchange chip 1, and exchange chip 1 searches forward table, by backplane interface, is forwarded to the switching card of interchanger, is exchanging
Card, searches forward table, by backplane interface, data forward a packet to the exchange chip 2 of this wiring board, inside exchange chip 2, then
Secondary lookup forward table, is forwarded to optical module SFP+_48 ports.In this way, the forwarding of packet will pass through in wiring board
High speed rear panel connector could be completed by the switching card of interchanger, waste the bandwidth of High speed rear panel connector, it is necessary to search 3
Secondary forward table, reduces the efficiency of packet forwarding.
Utility model content
For defect present in prior art, the purpose of this utility model is to provide a kind of Ethernet exchanging machine circuit
Plate, improves data exchange efficiency, reduces cost and power consumption.
To achieve the above objectives, the utility model is adopted the technical scheme that：A kind of Ethernet switch wiring board includes：
CPU, Large Copacity exchange chip, High speed rear panel connector, clock and data recovery chip, optical module；The CPU connections are described big
Capacity exchange chip, the Large Copacity exchange chip provides 64 pairs of serializer serializer interface connection High speed rear panel connectors, institute
Large Copacity exchange chip is stated while providing 48 pairs of serializer serializer interfaces connects the clock and data recovery chip, and passes through
The clock and data recovery chip connects the optical module.
On the basis of above-mentioned technical proposal, the Large Copacity exchange chip is BCM56860 exchange chips, can be supported
960Gps surface speed forwardings, exchange capacity is 1.28Tbps.
On the basis of above-mentioned technical proposal, the wiring board also includes monitoring module, the optical module and the monitoring
Module is connected.
On the basis of above-mentioned technical proposal, the wiring board also includes signal conversion module, and the CPU passes through the letter
Number modular converter connection FLASH device.
On the basis of above-mentioned technical proposal, the wiring board also includes low-speed backplane connector and rack management unit,
The low-speed backplane connector connects the rack management unit, the CPU connections low-speed backplane connector.
On the basis of above-mentioned technical proposal, the wiring board also includes power connector, electrifying control circuit, power supply mould
Block, the power connector is sequentially connected electrifying control circuit, power module, and the power connector is also connected with the frame pipe
Manage unit.
On the basis of above-mentioned technical proposal, the wiring board also includes gigabit exchange chip, and the CPU passes through described thousand
Million exchange chips connect the low-speed backplane connector.
On the basis of above-mentioned technical proposal, the wiring board also includes telecommunications outlet connector telecommunications outlet connector,
The CPU connects described information socket connector by the gigabit exchange chip.
On the basis of above-mentioned technical proposal, the clock and data recovery chip supports 10GbE mode of operations, the light
Module is SFP+ optical modules, and the wiring board includes 6 clock and data recovery chips and 48 SFP+ optical modules.
On the basis of above-mentioned technical proposal, the clock and data recovery chip supports 40GbE mode of operations, the light
Module is QSFP optical modules, and the wiring board includes 6 clock and data recovery chips and 12 QSFP optical modules.
Compared with prior art, the utility model has the advantage of：
1st, the utility model uses monolithic Large Copacity exchange chip BCM56860, and Large Copacity exchange chip provides 64 pairs serially
Device serializer interface connects High speed rear panel connector, and Large Copacity exchange chip provides 48 pairs of serializer serializer interface connection clocks
With data recovery chip, and pass through clock and data recovery chip connect optical module.Two panels exchange chip and exchange need not be used
Card, it is to avoid data exchange between exchange chip, more rationally make use of the exchange bandwidth of chip, improves data exchange efficiency,
Reduce cost and power consumption.
2nd, clock and data recovery chip supports two kinds of mode of operations of 10GbE and 40GbE in the utility model, can connect
Two kinds of optical modules of SFP+ optical modules and QSFP optical modules, support two kinds of interfaces of 10GbE and 40GbE, 10GbE and 40GbE two respectively
Plant interface and can be applied to different project scenarios.The configuration of software modification clock and data recovery chip is only needed to, panel is changed
Optical module connector, you can be replaced by QSFP optical modules by connecting SFP+ optical modules, other hardware designs keep constant, so that it may from
48 10G Ethernet interfaces smooth upgrades are to 12 40G Ethernet interfaces, or part 10GbE interface upgrades are to 40GbE interfaces.
Brief description of the drawings
Fig. 1 passes through the data flow that switching card exchanges data for the common exchange chip of two panels in common line plate in background technology
Xiang Tu；
Fig. 2 is the structured flowchart of Ethernet switch wiring board in the utility model embodiment；
Fig. 3 is that the interior monolithic Large Copacity exchange chip of Ethernet switch wiring board in the utility model embodiment exchanges number
According to data flow figure.
Embodiment
Embodiment of the present utility model is described in further detail below in conjunction with accompanying drawing.
Shown in Figure 2, the utility model embodiment provides a kind of Ethernet switch wiring board, including a kind of Ethernet
Switchboard circuit plate, including：A kind of Ethernet switch wiring board, it is characterised in that including：CPU, Large Copacity exchange chip,
High speed rear panel connector, clock and data recovery chip, optical module；CPU connection Large Copacity exchange chips, optical module is sequentially connected
Clock and data recovery chip, Large Copacity exchange chip, High speed rear panel connector.
Large Copacity exchange chip is BCM56860 exchange chips, can support 960Gps surface speed forwardings, exchange capacity is
1.28Tbps.The linear speed that BCM56860 exchange chips are completed between 48 10,000,000,000 interfaces and switching card and 48 10,000,000,000 interfaces turns
Hair, BCM56860 can support 960Gps surface speed forwardings, and exchange capacity is 1.28Tbps, it is possible to provide 64 pairs of serializer serializers are to height
Fast back panel connector, 640Gbps bandwidth supports HiGig2 agreements；48 pairs of serializers are provided simultaneously, clock and data recovery is connected
Chip and 48 10GbE SFP+ optical modules.When exchange chip sends data, when clock and data recovery chip internal is completed
When clock, data are reset, electrical/optical is completed by SFP+ optical modules and changed.Receive data when, inside SFP+ optical modules complete light/
Electricity conversion, after clock and data recovery chip internal completes clock, data recovery, data enter CDR exchange chips.Optical module
It is sequentially connected clock and data recovery chip, Large Copacity exchange chip, High speed rear panel connector.
This wiring board operation principle is：The source MAC of the 10GbE packets of exchange chip BCM56860 parsing optical module transmission
Dynamic look-up table inside address and target MAC (Media Access Control) address, and exchange chip BCM56860 is contrasted, and judges the purpose of packet
MAC Address is in wiring board or outside wiring board, if address in wiring board, to be forwarded directly to by exchange chip BCM56860
Corresponding optical module port；If the outer address of wiring board, the switching card of interchanger is forwarded to by High speed rear panel connector, by handing over
The target MAC (Media Access Control) address that card parses packet is changed, corresponding other wiring boards are forwarded to.
The utility model uses monolithic Large Copacity exchange chip BCM56860 connection clock and data recoveries chip, optical mode
Block, while be also connected with High speed rear panel connector, without using two panels exchange chip and switching card, it is to avoid data between exchange chip
Exchange, more rationally make use of the exchange bandwidth of chip, improve data exchange efficiency, reduce cost and power consumption.Such as Fig. 3 institutes
Show, for the exchange of data between each port in wiring board, such as optical module SFP+_1 packets need to be transmitted to SFP+_48 ends
Mouthful, using monolithic Large Copacity exchange chip BCM56860, it is only necessary to check this wiring board Large Copacity exchange chip (i.e. exchange chip
BCM56860) internal searching table can complete the forwarding of packet.
Wiring board also includes monitoring module, and optical module is connected with monitoring module.Monitoring module be used for wiring board slot number,
The collection of hardware version, Card Type, optical module LOS signals, the collection of module signal in place controls opening for optical module laser
Close there is provided 48 optical module I2C interfaces and export the function such as electric enable, reset signal on this wiring board, CPU can pass through
Local Bus conduct interviews to monitoring module internal register.
Wiring board also includes signal conversion module, and CPU connects FLASH device by signal conversion module.CPU is used
XLP208 models, connect a memory bar.Due to bus (Local Bus) level be 1.8V, address bus and multiplexed data bus,
Signal conversion module completes level conversion and address bus and data/address bus separation.CPU is connected by signal conversion module
FLASH device.
Wiring board also includes low-speed backplane connector and rack management unit, and the management of low-speed backplane connector connection frame is single
Member, CPU connection low-speed backplane connectors.Rack management unit rack management unit by low speed connector and master control cartoon letters,
There is provided the Card Type of this Line cards to main control card, the information such as slot number.
Wiring board also includes power connector, electrifying control circuit, power module, and power connector is sequentially connected automatically controlled
Circuit processed, power module, power connector are also connected with rack management unit.Power connector provides 2 tunnel -48V dc sources, gives
Electrifying control circuit and power module are powered；The voltages such as each power module output 5V, 3.3V, 1.8V, 1.2V, 1.0V, 0.85V,
To each power elements on wiring board.Power connector also provides 1 tunnel+5V power supplys, is powered to rack management unit.
Wiring board also includes gigabit exchange chip, and CPU connects low-speed backplane connector by gigabit exchange chip.Wiring board
Also include telecommunications outlet connector telecommunications outlet connector telecommunications outlet connector telecommunications outlet connector, CPU passes sequentially through thousand
Million exchange chips and transformer link information socket connector.CPU SGMII interfaces provide 3 tunnels by gigabit exchange chip
1000BASE-T/100BASE-TX Ethernet interfaces, wherein 1 road 1000BASE-T connects telecommunications outlet connector connector, as
Outband network management mouthful, 2 road 1000BASE-T/100BASE-TX connection low-speed backplane connectors are used as two pieces of master controls of high-end switch
Card manages the management passage of this wiring board.
Clock and data recovery chip uses DS125DF1610 models, and each clock and data recovery chip provides 16
Passage, wherein, 8 passages are used to connect exchange chip, and 8 passages are used to connect SFP+ optical modules, it is necessary to 6 clocks and data
Recover the conversion that chip completes 48 pair of 10,000,000,000 interface signal.SFP+ optical modules, (10Gigabit Small Form Factor
Pluggable it is) a kind of hot-swappable, independently of the optical transceiver of communication protocol.Clock and data recovery chip is supported
Two kinds of mode of operations of 10GbE and 40GbE, can connect two kinds of optical modules of SFP+ optical modules and QSFP optical modules, 10GbE is supported respectively
With two kinds of interfaces of 40GbE, two kinds of interfaces of 10GbE and 40GbE can be applied to different project scenarios.Clock and data recovery chip
10GbE is supported, optical module can be SFP+ optical modules, and wiring board includes 6 clock and data recovery chips and 48 SFP+ light
Module.Clock and data recovery chip supports 40GbE, and optical module is QSFP optical modules, and wiring board includes 6 clocks and data are extensive
Multiple chip and 12 QSFP optical modules.The configuration of software modification clock and data recovery chip is only needed to, panel optical module is changed
Connector, you can be replaced by QSFP optical modules by connecting SFP+ optical modules, other hardware designs keep constant, so that it may from 48
10G Ethernet interfaces smooth upgrade is to 12 40G Ethernet interfaces, or part 10GbE interface upgrades are to 40GbE interfaces.With PHY
Chip is compared, and from clock and data recovery chip, can complete same function, cost is lower, is configured more flexible.
Wiring board also includes clock unit, and CPU, clock and data recovery chip, Large Copacity exchange chip each connect one
Clock unit.
The utility model is not only limited to above-mentioned preferred forms, and anyone can obtain under enlightenment of the present utility model
Go out other various forms of products, however, make any change in its shape or structure, it is every to have and the utility model phase
Same or close technical scheme, within its protection domain.
Claims (10)
1. a kind of Ethernet switch wiring board, it is characterised in that including：CPU, Large Copacity exchange chip, High speed rear panel connection
Device, clock and data recovery chip, optical module；The CPU connections Large Copacity exchange chip, the Large Copacity exchange chip
64 pairs of serializer serializer interface connection High speed rear panel connectors are provided, the Large Copacity exchange chip provides 48 pairs serially simultaneously
Device serializer interface connects the clock and data recovery chip, and connects the light by the clock and data recovery chip
Module.
2. a kind of Ethernet switch wiring board as claimed in claim 1, it is characterised in that：The Large Copacity exchange chip is
BCM56860 exchange chips, can support 960Gps surface speed forwardings, and exchange capacity is 1.28Tbps.
3. a kind of Ethernet switch wiring board as claimed in claim 1, it is characterised in that：The wiring board also includes monitoring
Module, the optical module is connected with the monitoring module.
4. a kind of Ethernet switch wiring board as claimed in claim 1, it is characterised in that：The wiring board also includes signal
Modular converter, the CPU connects FLASH device by the signal conversion module.
5. a kind of Ethernet switch wiring board as claimed in claim 1, it is characterised in that：The wiring board also includes low speed
Back panel connector and rack management unit, the low-speed backplane connector connect the rack management unit, the CPU connections institute
State low-speed backplane connector.
6. a kind of Ethernet switch wiring board as claimed in claim 5, it is characterised in that：
The wiring board also includes power connector, electrifying control circuit, power module, and the power connector is sequentially connected
Electric control circuit, power module, the power connector are also connected with the rack management unit.
7. a kind of Ethernet switch wiring board as claimed in claim 5, it is characterised in that：The wiring board also includes gigabit
Exchange chip, the CPU connects the low-speed backplane connector by the gigabit exchange chip.
8. a kind of Ethernet switch wiring board as claimed in claim 7, it is characterised in that：The wiring board also includes information
Socket connector telecommunications outlet connector, the CPU connects described information socket connector by the gigabit exchange chip.
9. a kind of Ethernet switch wiring board as claimed in claim 1, it is characterised in that：The clock and data recovery core
Piece supports 10GbE mode of operations, and the optical module is SFP+ optical modules, and the wiring board includes 6 clock and data recovery cores
Piece and 48 SFP+ optical modules.
10. a kind of Ethernet switch wiring board as claimed in claim 1, it is characterised in that：The clock and data recovery
Chip supports 40GbE mode of operations, and the optical module is QSFP optical modules, and the wiring board includes 6 clock and data recoveries
Chip and 12 QSFP optical modules.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621154345.3U CN206332674U (en) | 2016-10-31 | 2016-10-31 | A kind of Ethernet switch wiring board |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621154345.3U CN206332674U (en) | 2016-10-31 | 2016-10-31 | A kind of Ethernet switch wiring board |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206332674U true CN206332674U (en) | 2017-07-14 |
Family
ID=59286825
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621154345.3U Active CN206332674U (en) | 2016-10-31 | 2016-10-31 | A kind of Ethernet switch wiring board |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206332674U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109032988A (en) * | 2018-07-13 | 2018-12-18 | 郑州云海信息技术有限公司 | A kind of straight-through board of network applied in the server |
| CN113740703A (en) * | 2021-07-28 | 2021-12-03 | 苏州浪潮智能科技有限公司 | Test panel and test system of Retimer chip |
-
2016
- 2016-10-31 CN CN201621154345.3U patent/CN206332674U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109032988A (en) * | 2018-07-13 | 2018-12-18 | 郑州云海信息技术有限公司 | A kind of straight-through board of network applied in the server |
| CN109032988B (en) * | 2018-07-13 | 2021-07-27 | 郑州云海信息技术有限公司 | Network straight-through board card applied to server |
| CN113740703A (en) * | 2021-07-28 | 2021-12-03 | 苏州浪潮智能科技有限公司 | Test panel and test system of Retimer chip |
| CN113740703B (en) * | 2021-07-28 | 2023-11-10 | 苏州浪潮智能科技有限公司 | Test board and test system of Retimer chip |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20190116 Address after: 430074 No. 6, High-tech Fourth Road, Donghu High-tech Development Zone, Wuhan City, Hubei Province Patentee after: Fenghuo Communication Science &. Technology Co., Ltd. Address before: 430074 No. 67 Guanggu Pioneer Street, Wuhan City, Hubei Province Patentee before: Wuhan Fenghuo Network Co., Ltd. |
|
| TR01 | Transfer of patent right |