CN207490971U - A kind of guide tracked more mouthfuls of gigabits POE industrial grade switch - Google Patents

Abstract

The utility model discloses a kind of guide tracked more mouthfuls of gigabits POE industrial grade switch, it is characterized in that, the interchanger includes exchange chip SWITCH, gigabit PHY chip, DDR3SDRAM, FLASH, PoE controller and the PoE managers of power supply unit, integrated CPU.Power port, optical port quantity can be flexibly configured in the industrial grade switch of the application；The traffic rate of optical port and power port reaches 1000Mbps；Interchanger can be by power port to power terminal equipment；Operating voltage allows the wide scope of 12 60V to input；Interchanger can be operated in technical grade requirement temperature (40~85 DEG C)；Package size is compact, easy for installation, takes up space small.

Description

A kind of guide tracked more mouthfuls of gigabits POE industrial grade switch

Technical field

The utility model is related to interchanger fields, and in particular to a kind of guide tracked more mouthfuls of gigabits POE industrial grade switch.

Background technology

Industrial ethernet switch is mainly used in the field of rail traffic, Industry Control and electric power system control, at this In a little complex environments during stable operation, higher requirement is proposed to interchanger, including low temperature high temperature, antijamming capability and is prevented Shield etc..

With regard to the industrial switch in existing market, have the following disadvantages a little：1st, big multi-exchange is at the beginning of design, functional area Quantity be fixed, type is single, there is no carry out Redundancy Design, when in face of functional area quantity required changing, cause to repeat Design increases cost and extends the adverse effects such as market periods；2nd, the port speed of some interchangers is 100Mbps, The development trend of current high-speed data communication cannot be met, the competitiveness of the product in the market certainly will be influenced；3rd, many friendships It changes planes without POE functions, in access terminal equipment, also power-supply wiring is carried out to terminal device, virtually increased Workload；4th, for the input voltage of interchanger, the range of many equipment is smaller, so having to exterior power supply plant higher It is required that versatility is caused to reduce.5th, be unsatisfactory for the temperature requirement of technical grade, in high temperature cold operation, cause system function or Reduced performance or forfeiture；6th, many equipment volumes are too fat to move, installation is inconvenient, do not meet install convenient, small volume is set Meter theory.

Utility model content

For problems of the prior art, the purpose of this utility model is to provide a kind of guide tracked more mouthfuls of gigabits POE industrial grade switch, efficiently solves problems of the prior art.

To achieve the above object, the utility model uses following technical scheme：

A kind of guide tracked more mouthfuls of gigabits POE industrial grade switch, the interchanger include the friendship of power supply unit, integrated CPU Change chip SWITCH, gigabit PHY chip, DDR3SDRAM, FLASH, PoE controller and PoE managers；Wherein, the power supply is single Member is used to provide work capacity for interchanger；The DDR controller interface of the SWITCH by the data/address bus of 16bit with it is described DDR3SDRAM chips connect；SWITCH is connected by bus with the FLASH, and after the completion of powering on, SWITCH reads burning and exists BOOTROM files in FLASH carry out activation system；SWITCH connects RS232 transceivers by UART interface, and the RS232 is received Hair device is connect by CONSOLE port with PC machine；SWITCH is connect with single port gigabit PHY4；SWITCH passes through usb bus and USB Storage device connects；SWITCH is communicated by I2C buses with RTC chip；SWITCH passes through UART buses and the PoE controllers Communication, CPU are completed to PoE relevant controls and acquisition of information, and PoE controllers pass through spi bus phase intercommunication with the PoE managers Letter；SWITCH is connected with gigabit PHY chip described in three pieces；Gigabit PHY chip is connected with power port or optical port.

Further, said supply unit DC-DC controllers 1, DC-DC controllers 2, LDO1, LDO2, LDO3 and DC-DC Controller 3；Using the DC-DC controllers 1 by input voltage lowering and stabilizing blood pressure be 12V, 12V is depressured to by the LDO1 5V is used for USB；12V is depressured to by 3.3V by the DC-DC controllers 2, peripheral hardware is provided and IO is used；3.3V passes through institute It states LDO2, LDO3, DC-DC controller 3 and 3.3V is changed into 1.5V, 1.8V, 1.0V respectively, respectively described DDR3SDRAM, gigabit PHY chip and SWITCH power supplies.

Further, it is communicated between the SWITCH and the FLASH by spi bus.

Further, the connection mode of the SWITCH and the single port gigabit PHY4 are SGMII.

Further, the interface mode between the SWITCH and the gigabit PHY chip is QSGMII, and traffic rate is 5Gbps。

The utility model has following advantageous effects：

Power port, optical port quantity can be flexibly configured in the industrial grade switch of the application；The traffic rate of optical port and power port Reach 1000Mbps；Interchanger can be by power port to power terminal equipment；Operating voltage allows the wide scope of 12-60V to input； Interchanger can be operated in technical grade requirement temperature (- 40~85 DEG C)；Package size is compact, easy for installation, takes up space small.

Description of the drawings

Fig. 1 is the systematic schematic diagram of the utility model embodiment；

Fig. 2 is the structure diagram of the power supply unit of the utility model embodiment.

Specific embodiment

In the following, refer to the attached drawing, more fully illustrated the utility model, shown in the drawings of showing for the utility model Example property embodiment.However, the utility model can be presented as a variety of different forms, it is not construed as being confined to what is described here Exemplary embodiment.And these embodiments are to provide, so as to make the utility model fully and completely, and by the utility model Range is fully communicated to those of ordinary skill in the art.

As shown in Figure 1, the utility model provides a kind of guide tracked more mouthfuls of gigabits POE industrial grade switch, the interchanger Including power supply unit, the exchange chip SWITCH of integrated CPU, gigabit PHY chip (GPHY), DDR3SDRAM, FLASH, PoE control Device and PoE manager processed；Wherein, power supply unit leads to for providing the DDR controller interface of work capacity SWITCH for interchanger The data/address bus for crossing 16bit is connect with DDR3SDRAM chips, and DDR3SDRAM provides running memory for embedded OS, is protected Demonstrate,prove system stable operation；SWITCH is connected by bus with FLASH, and after the completion of powering on, SWITCH reads burning in FLASH BOOTROM files carry out activation system；SWITCH is carried using the crystal oscillator of 25MHz and 156.25MHz to CPU and SERDES interfaces respectively For clock source CLOCK；SWITCH by UART interface connect RS232 transceivers, RS232 transceivers by CONSOLE port with PC machine connects；CONSOLE mouthfuls can be monitored the real-time status of interchanger and it is configured by order；SWITCH and list Mouth gigabit PHY4 connections can carry out the operations such as software upgrading by ETHERNET interfaces to interchanger；SWITCH is total by USB Line connects with USB storage device, can increase memory space and start speed；SWITCH is led to by I2C buses with RTC chip Letter, system can obtain real-time time；SWITCH is communicated by UART buses with PoE controllers, and CPU is completed to PoE correlation controls System and acquisition of information, PoE controllers are in communication with each other with PoE managers by spi bus；SWITCH and three pieces gigabit PHY chip It is connected；Every GPHY can at most go out 4 road 1000Mbps ports, in total 3 most 12 road 1000Mbps ports of Ke Chu, the GPHY cores Piece is Combo PHY, and power port (RJ45) and optical port (SFP) quantity are optional.

As shown in Fig. 2, power supply unit DC-DC controllers 1, DC-DC controllers 2, LDO1, LDO2, LDO3 and DC-DC control Device 3 processed；Using DC-DC controllers 1 by input voltage (12-60V) lowering and stabilizing blood pressure be 12V, 12V is depressured to by 5V by LDO1, It is used for USB；12V is depressured to by 3.3V by DC-DC controllers 2, peripheral hardware is provided and IO is used；3.3V by LDO2, LDO3, 3.3V is changed into 1.5V, 1.8V, 1.0V, respectively DDR3SDRAM, gigabit PHY chip and SWITCH by DC-DC controllers 3 respectively Power supply.

It is communicated between SWITCH and FLASH by spi bus.The connection mode of SWITCH and single port gigabit PHY4 is SGMII.Interface mode between SWITCH and gigabit PHY chip is QSGMII, traffic rate 5Gbps.

It is described above simply to illustrate that the utility model, it is understood that the utility model be not limited to more than implement Example, the various variants for meeting the utility model thought are within the protection scope of the utility model.

Claims (5)

1. a kind of guide tracked more mouthfuls of gigabits POE industrial grade switch, which is characterized in that the interchanger includes power supply unit, collection Into the exchange chip SWITCH of CPU, gigabit PHY chip, DDR3 SDRAM, FLASH, PoE controller and PoE managers；Wherein, Said supply unit is used to provide work capacity for interchanger；The number that the DDR control unit interfaces of the SWITCH pass through 16bit It is connect according to bus with the DDR3 SDRAM chips；SWITCH is connected by bus with the FLASH, after the completion of powering on, SWITCH reads BOOTROM file of the burning in FLASH and carrys out activation system；SWITCH connects RS232 by UART interface and receives Device is sent out, the RS232 transceivers are connect by CONSOLE port with PC machine；SWITCH is connect with single port gigabit PHY4；SWITCH Connected by usb bus with USB storage device；SWITCH is communicated by I2C buses with RTC chip；SWITCH is total by UART Line communicates with the PoE controllers, and CPU is completed to PoE relevant controls and acquisition of information, and PoE controllers are managed with the PoE Device is in communication with each other by spi bus；SWITCH is connected with gigabit PHY chip described in three pieces；Gigabit PHY chip and power port or optical port It is connected.

2. guide tracked more mouthfuls of gigabits POE industrial grade switch according to claim 1, which is characterized in that the power supply is single Member includes DC-DC controllers 1, DC-DC controllers 2, LDO1, LDO2, LDO3 and DC-DC controller 3；Utilize the DC-DC Input voltage lowering and stabilizing blood pressure is 12V by controller 1, and 12V is depressured to 5V by the LDO1, is used for USB；By described 12V is depressured to 3.3V by DC-DC controllers 2, provides peripheral hardware and IO is used；3.3V is controlled by described LDO2, LDO3, DC-DC 3.3V is changed into 1.5V, 1.8V, 1.0V by device 3 respectively, respectively described DDR3 SDRAM, gigabit PHY chip and SWITCH power supplies.

3. guide tracked more mouthfuls of gigabits POE industrial grade switch according to claim 1, which is characterized in that the SWITCH It is communicated between the FLASH by spi bus.

4. guide tracked more mouthfuls of gigabits POE industrial grade switch according to claim 1, which is characterized in that the SWITCH Connection mode with the single port gigabit PHY4 is SGMII.

5. guide tracked more mouthfuls of gigabits POE industrial grade switch according to claim 1, which is characterized in that the SWITCH Interface mode between the gigabit PHY chip is QSGMII, traffic rate 5Gbps.