Switch hardware platform
By introducing components such as carrier board and core board into the switch hardware platform, the problem of lack of standardization of switch module design is solved, modular design and efficient secondary development are realized, and design efficiency and product applicability are improved.
Patent Information
- Application Number
- CN202422512645.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-10-16
- Publication Date
- 2025-07-25
- Estimated Expiration
- 2034-10-16
AI Technical Summary
The lack of standardization of the existing switch module design, resulting in cumbersome design process and difficult secondary development.
The switch hardware platform is adopted, including a carrier board, a core board, a first PHY chip, an optical module, a network transformer and a network interface connector. The core board is equipped with a switching chip, a second PHY chip, an RS232 level conversion chip and a COMe connector. The design is highly versatile. In the future, different types and numbers of first PHY chips and optical modules are expanded through a COMe connector to meet the needs.
The standardized design of switch modules is realized, which reduces the difficulty of secondary development and improves the design efficiency and product application scope.
Smart Images
Figure CN223157109U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of switches, in particular to a switch hardware platform. Background Art
[0002] With the development of network technology, as the main connection device of the Internet, Ethernet switches have become one of the network devices with the fastest application popularity.
[0003] At present, in the face of different application requirements, it is necessary to design switch modules with product modularization for switching chips. It adopts an overall scheme design, lacks standardized modules, the design process is cumbersome, and the secondary development is difficult. Summary of the Utility Model
[0004] In view of this, the utility model provides a switch hardware platform to solve or partially solve the technical problems of cumbersome design process and high difficulty in secondary development when designing switch modules in the prior art.
[0005] The technical solution proposed by the utility model is as follows:
[0006] The utility model provides a switch hardware platform, including: a carrier board, on which a core board, a first PHY chip, an optical module, a network transformer and a network interface connector are provided. On the core board, a switching chip, a second PHY chip, an RS232 level conversion chip and a COMe connector are provided. The switching chip is respectively connected to the corresponding input-side interfaces on the COMe connector through the second PHY chip, the RS232 level conversion chip and a Serdes interface. One end of the first PHY chip and one end of the optical module are respectively connected to the corresponding output-side interfaces on the COMe connector. The other end of the first PHY chip is connected to one end of the network transformer. The other end of the network transformer and the other end of the optical module are respectively connected to the corresponding interfaces on the network interface connector.
[0007] The switch hardware platform provided by the utility model, by setting a core board, a first PHY chip, an optical module, a network transformer and a network interface connector on the carrier board, wherein, on the core board, a switching chip, a second PHY chip, an RS232 level conversion chip and a COMe connector are provided. After the core board is designed, it has universality. In subsequent designs, only by designing different types and quantities of first PHY chips and optical modules on the carrier board through the COMe connector can different design requirements be met, streamlining the design work content and reducing the difficulty of secondary development.
[0008] Optionally, a first storage unit is further provided on the core board, and the first storage unit is connected to the switching chip.
[0009] By adding a first storage unit on the core board and connecting it to the switching chip, the technical effect is to enhance the data processing ability of the switch and provide the cache and storage medium required for software operation.
[0010] Optionally, the first storage unit includes a DDR4 module, an EMMC module, and a FLASH module. The DDR4 module, the EMMC module, and the FLASH module are respectively connected to the corresponding storage interfaces in the switching chip. The DDR4 module is used to provide software operation cache, the EMMC module is used to provide software operation storage medium, and the FLASH module is used to provide a boot program storage medium.
[0011] This method provides an efficient data storage and processing solution, ensuring the smooth operation of the software and the rapid startup of the system.
[0012] Optionally, a second storage unit is also provided on the core board, and the second storage unit is connected to the switching chip through an I2C bus interface.
[0013] By adding a second storage unit on the core board and connecting it to the switching chip through an I2C bus interface, a flexible configuration information storage solution is provided, facilitating the configuration and management of the switch hardware platform.
[0014] Optionally, the second storage unit includes an EEPROM memory, and the EEPROM memory is used to store the configuration information of the switch hardware platform.
[0015] This method ensures the persistent storage of configuration information and will not be lost even in the event of a power outage.
[0016] Optionally, a temperature sensor is also provided on the core board, and the temperature sensor is connected to the switching chip.
[0017] This method can monitor the temperature of the hardware platform in real time, contributing to the stable operation and fault prevention of the system.
[0018] Optionally, a Clock module is also provided on the core board, and the Clock module is connected to the switching chip.
[0019] The Clock module provides an accurate clock signal to ensure data synchronization and system stability.
[0020] Optionally, a POWER module is also provided on the core board, and the POWER module is used to convert the input voltage into different voltages and provide the operating voltage for the switching chip.
[0021] Ensuring stable power supply for the switching chip by setting the POWER module improves the reliability of the system.
[0022] Optionally, the network interface connector is an RJ45 connector, a VPX connector, a CPCI connector, a CPEX connector, a J30J connector, a JYSK connector or a J599 connector.
[0023] The various types that the network interface connector can adopt enable the switch hardware platform to adapt to different network interface requirements.
[0024] Optionally, the model of the switching chip is CTC7132.
[0025] This method specifies that the model of the switching chip is CTC7132, clarifying the key components of the hardware platform, which helps to ensure the performance and compatibility of the hardware platform. Description of the Drawings
[0026] In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for describing the embodiments will be briefly introduced below. Obviously, the drawings in the following description are only some embodiments of the present invention. For those of ordinary skill in the art, without creative efforts, other drawings can be obtained based on these drawings.
[0027] Figure 1 It is the circuit principle block diagram of the switch hardware platform in the embodiment of the present invention;
[0028] Figure 2 It is the circuit principle block diagram of the core board in the embodiment of the present invention;
[0029] Figure 3 It is the structural schematic diagram of the core board in the embodiment of the present invention. Detailed Embodiment
[0030] The technical solutions of the present invention will be clearly and completely described below with reference to the drawings. Obviously, the described embodiments are some, but not all, of the embodiments of the present invention. All other embodiments obtained by those of ordinary skill in the art without creative efforts based on the embodiments of the present invention belong to the scope of protection of the present invention.
[0031] In the description of the present utility model, it should be noted that the orientation or positional relationship indicated by the terms "upper", "lower", "left", "right", "inner", "outer", etc. is based on the orientation or positional relationship shown in the drawings. It is only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation. Therefore, it should not be construed as a limitation to the present utility model. In addition, the terms "first", "second", etc. are only used for descriptive purposes and cannot be construed as indicating or implying relative importance.
[0032] In the description of the present utility model, it should be noted that unless otherwise clearly specified and defined, the terms "installed", "connected", "connected to" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be directly connected, or indirectly connected through an intermediate medium, and can also be the communication inside two elements. It can be a wireless connection or a wired connection. For those of ordinary skill in the art, the specific meanings of the above terms in the present utility model can be understood according to specific situations.
[0033] In addition, the technical features involved in different embodiments of the present utility model described below can be combined with each other as long as they do not conflict with each other.
[0034] Aiming at the problems in the current industrial switch field, where the existing switch modules lack standardized design, are difficult to implement, have high productization risks, and are not convenient for unified management and popularization and application, the present utility model provides a switch hardware platform, as Figure 1 、 Figure 2 and Figure 3 shown, including: a carrier board, on which a core board, a first PHY chip, an optical module, a network transformer, and a network interface connector are provided. On the core board, a switching chip, a second PHY chip, an RS232 level conversion chip, and a COMe connector are provided. The switching chip is connected to the corresponding input-side interfaces on the COMe connector through the second PHY chip, the RS232 level conversion chip, and the Serdes interface respectively. One end of the first PHY chip and one end of the optical module are respectively connected to the corresponding output-side interfaces on the COMe connector. The other end of the first PHY chip is connected to one end of the network transformer, and the other ends of the network transformer and the optical module are respectively connected to the corresponding interfaces on the network interface connector.
[0035] Specifically, the core board is a COMe Type10 standard switch core board designed with the Shengke switching chip CTC7132. This core board can be used as a general hardware module of the switch, and the expandable design can widely cover the switch hardware platforms in low, medium, and high-end switch scenario applications.
[0036] In one example, the standard size diagram of the core board is as follows Figure 3 As shown, the size of the core board is 84mm×55mm, the distance between the mounting holes of the board is 76mm×47mm, the COMe connector uses a COMe standard connector with 220 pins and a 0.5mm pitch, and the transmission rate of the connector can support 16Gbits / s.
[0037] The switching chip CTC7132 integrates a CPU and provides a management network port and a debug serial port interface, which are respectively output to the COMe connector through the second PHY chip and the RS232 level conversion chip for users to manage and configure the entire switch hardware platform.
[0038] Specifically, the switching chip CTC7132 is connected to the second PHY chip through the SGMII pins and to the RS232 level conversion chip through the UART pins.
[0039] In one example, both the first PHY chip and the second PHY chip use gigabit (GE) PHY chips.
[0040] The network bus interface of the switching chip CTC7132 uses a Serdes interface, which includes 24 HS Serdes and 8 CS Serdes. The core board realizes a full-interface function design, and all network bus interfaces are directly led out through the COMe connector.
[0041] The functions supported by the 24 HS Serdes interfaces are as follows:
[0042] 40GbE (4-lane) KR4 / CR4 / SR4 / ER4 / LR4 / with Base-R FEC;
[0043] 10GbE (1-lane) XFI / SFI / KR / CR / SR / ER / LR / with Base-R FEC;
[0044] 10GbE (4-lane) XAUI;
[0045] 5GbE (1-lane) QSGMII;
[0046] 2.5GbE 2500BASE-X (1-lane);
[0047] 1GbE (1-lane) SGMII with 10M / 100M / 1000M SGMII AN, IEEE802.3 clause 37AN;
[0048] 1000BASE-X (1-lane) with 1000M IEEE802.3 clause 37AN;
[0049] 100M (1-lane) 100BASE-FX interface;
[0050] 10G USXGMI-M Multiple Mode: 2 of 10M / 100M / 1G / 2.5G / 5G ports or 4 of 10M / 100M / 1G / 2.5G mode;
[0051] Among them, the 8-way CS Serdes interface function support types are as follows:
[0052] 100GbE (4-lane) KR4 / CR4 / SR4 / ER4 / LR4 / CAUI4;
[0053] 50GbE (2-lane) support RS-FEC and Base-R FEC;
[0054] 40GbE (4-lane) KR4 / CR4 / SR4 / ER4 / LR4;
[0055] 25GbE (1-lane) support RS-FEC and Base-R FEC;
[0056] 10GbE (1lane) XFI / SFI / KR / CR / SR / ER / LR;
[0057] 10GbE (4-lane) XAUI;
[0058] 1GbE (1land) SGMII with 10M / 100M / 1000M SGMII AN, IEEE802.3clause 37AN;
[0059] 1000BASE-X (1-lane) with 1000IEEE802.3 clause 37AN.
[0060] The core board can support communication rate scenarios of 40GbE and below. When designing the product, only a simple carrier board needs to be designed to provide power supply and network interface conversion circuits for the core board through the carrier board, including the first PHY chip, optical module, network transformer, and network interface connector, etc., to achieve the application of switch modular products.
[0061] Furthermore, the carrier board can be designed in various forms such as 3U and 6U standard blade boards and non-standard chassis boards. The first PHY chip selects the Shengke Ethernet PHY chip SK21108. The working mode of SK21108 supports QSGMII x2 + Copper x8, achieving 2-way QSGMII to 8-way gigabit electrical ports. This solution uses a total of 12-way QSGMII and 6 groups of the first PHY chips. The first PHY chips are connected to the network interface connector after isolation and amplification through network transformers, enabling 48-way gigabit electrical ports. The Serdes interface of the core board supports XFI, and the XFI interface is designed to directly connect to 10G optical modules. This solution uses a total of 4-way XFI and 4 groups of optical modules, enabling 4-way 10G optical ports. The network interface connector can be selected from various connectors such as RJ45 connectors, VPX connectors, CPCI connectors, CPEX connectors, J30J connectors, JYSK connectors, or J599 connectors, as long as the connector meets the network interface transmission rate and transmission medium requirements.
[0062] A switch hardware platform provided by the present utility model, by setting a core board, a first PHY chip, an optical module, a network transformer, and a network interface connector on the carrier board. Among them, the core board is provided with a switching chip, a second PHY chip, an RS232 level conversion chip, and a COMe connector. After the core board is designed, it has universality. In subsequent designs, only different types and quantities of the first PHY chips and optical modules need to be designed on the carrier board through the COMe connector based on the core board to meet different design requirements, streamlining the design work content and reducing the difficulty of secondary development.
[0063] In some embodiments of the present utility model, a first storage unit is further provided on the core board, and the first storage unit is connected to the switching chip.
[0064] Specifically, the first storage unit includes a DDR4 module, an EMMC module, and a FLASH module. The DDR4 module, the EMMC module, and the FLASH module are respectively connected to the corresponding storage interfaces in the switching chip. The DDR4 module is used to provide software operation cache, the EMMC module is used to provide software operation storage media, and the FLASH module is used to provide boot program storage media.
[0065] Exemplarily, the switching chip CTC7132 is connected to the DDR4 module through DDR pins, connected to the EMMC module through SDIO pins, and connected to the FLASH module through SPI pins.
[0066] Furthermore, a second storage unit is further provided on the core board, and the second storage unit is connected to the switching chip through an I2C bus interface.
[0067] Specifically, the second storage unit includes an EEPROM memory, which is used to store the configuration information of the switch hardware platform.
[0068] A temperature sensor is also provided on the core board, and the temperature sensor is connected to the switching chip. The temperature sensor is connected to the switching chip through the I2C bus interface and is used to detect the temperature of the core board.
[0069] A Clock module is also provided on the core board, and the Clock module is connected to the switching chip. The Clock module is used to provide the clock required for the operation of the switching chip.
[0070] A POWER module is also provided on the core board. The POWER module is used to convert the input voltage into different voltages and provide the operating voltage for the switching chip. The POWER module can adopt a DC-DC power converter, which can convert the 12V input voltage input through the COMe connector to obtain the voltage required for the operation of the switching chip.
[0071] A switch hardware platform provided by the present utility model adopts a core board with a standardized design. The core board includes a switching chip, a second PHY chip, an RS232 level conversion chip, a COMe connector, a first storage unit, a second storage unit, a temperature sensor, a Clock module, and a POWER module, which provides the necessary circuit hardware for the operation of the switching chip. After the core board is designed, it has universality. In subsequent designs, only different types and quantities of first PHY chips and optical modules need to be designed on the carrier board through the COMe connector based on the core board to meet different design requirements.
[0072] A switch hardware platform of the present utility model has beneficial effects such as high integration and standardization, strong universality, wide application range, convenience for modular design and application of products, reduction of the difficulty of secondary development, and reduction of product R & D risks.
[0073] Although the exemplary embodiments and their advantages have been described in detail, those skilled in the art can make various changes, substitutions, and modifications to these embodiments without departing from the spirit and the defined protection scope of the present utility model, and such modifications and variations all fall within the defined scope.
Claims
1. A switch hardware platform, characterized in that, Including: A carrier board, on which a core board, a first PHY chip, an optical module, a network transformer and a network interface connector are provided. On the core board, a switching chip, a second PHY chip, an RS232 level conversion chip and a COMe connector are provided. The switching chip is connected to the corresponding input-side interfaces on the COMe connector through the second PHY chip, the RS232 level conversion chip and the Serdes interface respectively. One end of the first PHY chip and one end of the optical module are respectively connected to the corresponding output-side interfaces on the COMe connector. The other end of the first PHY chip is connected to one end of the network transformer. The other end of the network transformer and the other end of the optical module are respectively connected to the corresponding interfaces on the network interface connector.
2. The switch hardware platform according to claim 1, wherein A first storage unit is further provided on the core board, and the first storage unit is connected to the switching chip.
3. The switch hardware platform according to claim 2, wherein The first storage unit includes a DDR4 module, an EMMC module and a FLASH module. The DDR4 module, the EMMC module and the FLASH module are respectively connected to the corresponding storage interfaces in the switching chip. The DDR4 module is used to provide software operation cache. The EMMC module is used to provide a software operation storage medium. The FLASH module is used to provide a boot program storage medium.
4. The switch hardware platform according to claim 1, wherein A second storage unit is further provided on the core board, and the second storage unit is connected to the switching chip through an I2C bus interface.
5. The switch hardware platform according to claim 4, characterized in that, The second storage unit includes an EEPROM memory, and the EEPROM memory is used to store the configuration information of the switch hardware platform.
6. The switch hardware platform according to claim 1, characterized in that A temperature sensor is further provided on the core board, and the temperature sensor is connected to the switching chip.
7. The switch hardware platform according to claim 1, characterized in that, A Clock module is further provided on the core board, and the Clock module is connected to the switching chip.
8. The switch hardware platform according to claim 1, characterized in that A POWER module is further provided on the core board. The POWER module is used to convert the input voltage into different voltages and provide the working voltage for the switching chip.
9. The switch hardware platform according to claim 1, characterized in that The network interface connector adopts an RJ45 connector, a VPX connector, a CPCI connector, a CPEX connector, a J30J connector, a JYSK connector or a J599 connector.
10. The switch hardware platform according to claim 1, characterized in that, The model of the switching chip is CTC7132.