CN117743247A - A low-power, autonomously controllable multi-board equipment monitoring system and method - Google Patents

Abstract

The invention provides a low-power, autonomously controllable multi-board card complete equipment monitoring system and method. The system includes a processing unit, a storage unit, a debugging unit, a monitoring unit and a power supply unit; the processing unit is connected to the storage unit; the processing unit The unit is connected to the debugging unit; the processing unit is connected and communicates with each business board in the multi-board equipment via the monitoring unit; the monitoring unit is used to extract and isolate monitoring signals; the processing unit is used to transfer each business to the monitoring unit. The board information is collected and controlled; the power supply unit is used to supply power to each unit of the monitoring system. The invention adopts low-power consumption design to meet localization requirements and monitoring and management requirements of different numbers of boards, reduces monitoring costs and design costs, and increases operation convenience.

Description

A low-power, autonomously controllable multi-board equipment monitoring system and method

Technical field

The present invention relates to the technical field of multi-board card complete machine equipment monitoring. Specifically, it relates to a low power consumption autonomously controllable multi-board card complete machine equipment monitoring system and method.

Background technique

Multi-board equipment usually includes multiple boards such as main control, business, power module, and monitoring system. Each business board uses a board-level BMC module to collect the board's working status, alarm information, temperature, voltage and other information. . The monitoring system mainly realizes status monitoring, fault diagnosis, health management, firmware upgrade, etc. of the entire machine equipment through the whole machine startup monitoring and management, the communication and information collection of each business board of the whole machine, and the debugging interface communication of each business board of the whole machine. Function. The monitoring system can effectively monitor and manage each business board in the machine to ensure the stability and safety of the multi-board machine.

The patent number 202110348444.4 proposes a chassis temperature monitoring system for multi-board equipment. The system adopts a dual-processor architecture and is equipped with a temperature detection circuit, a voltage and current monitoring circuit, a fan adjustment circuit, etc. to realize the chassis temperature monitoring of multi-board equipment. manage. The patent number is 201310631310.9, which proposes a method and system for board monitoring of multi-board equipment. The system mainly monitors the board by monitoring the serial port of each business board. The system converts multiple serial ports into an Ethernet port. Telnet login method enables real-time monitoring of multiple boards. The patent number 201710409560.6 proposes a BMC-based fan control system and control method. The system uses a BMC management chip to realize fan fault identification and wind speed control management. The patent number 201210454147.9 proposes a method and system for realizing communication between multiple boards in ATCA equipment. The system first performs slot management of multiple boards, and then implements multiple boards through the management configuration module and data channel module. communication between. The patent number 201611187326.5 proposes a centralized debugging method and system for multiple boards. During the system development process, the invention can realize board fault identification by comparing the slot numbers of each business board, and can also switch Debug the serial port to print and monitor serial port information. The patent number 201711117288.0 proposes a multi-board status monitoring method based on the I2C bus. This method uses each service board in the multi-board device as a slave device on the I2C bus and connects it through the backplane of the multi-board device. On the I2C bus, connect the multi-board device to the external host through the I2C data line.

Some multi-board machine equipment monitoring systems and methods have been proposed in the above related technologies. However, the multi-board machine monitoring system in related technologies has high power consumption, lack of monitoring and management functions, low monitoring reliability, and cannot meet the needs of complex multi-board machines. Monitoring and management needs of the entire equipment. At the same time, the processors and interface chips used in the existing technology are non-domestic devices and do not meet the independent and controllable requirements of localization. In addition, in the existing technology, the design method of monitoring the serial ports of each service board in the complete equipment through the panel interface is cumbersome and the operation is complex, and is in urgent need of improvement.

Contents of the invention

The present invention aims to provide a low-power, autonomously controllable multi-board card complete equipment monitoring system and method to solve the above-mentioned problems existing in the prior art.

The invention provides a low-power autonomously controllable multi-board card complete equipment monitoring system, including a processing unit, a storage unit, a debugging unit, a monitoring unit and a power supply unit;

The processing unit and storage unit are connected through a data bus including SPI and I2C;

The processing unit and debugging unit are connected through data interfaces including IPMI, UART, AUX-UART, USB and JTAG;

The processing unit communicates with each business board in the multi-board equipment via the monitoring unit; the monitoring unit is used to extract and isolate monitoring signals including UART, GPIO, I2C and CAN; the processing unit is used to communicate with the monitoring unit Collect and control information from each business board;

The power supply unit is used to supply power to each unit of the monitoring system.

Further, the processing unit includes a CPU and a CPLD; the CPU and the CPLD are connected through a data interface including UART, GPIO, and I2C.

Further, the storage unit includes DDR, FLASH, eMMC and EEPROM, which are used to manage and store the output information of the monitoring unit to form a monitoring log; the CPU of the processing unit integrates DDR, expands FLASH through the SPI interface, and uses the standard bus interface MSC expands eMMC and EEPROM through I2C interface.

Further, the debugging unit is used to provide a debugging interface. The debugging interface includes IPMI, UART, AUX-UART, USB, and JTAG. Among them, AUX-UART is used for debugging connection of each business board; the IPMI interface in the debugging unit The CPU used for the processing unit is interconnected with the RJ45 interface on the panel through the PHY chip and network transformer; the UART signal in the debugging unit is connected to the RJ45 interface on the panel through the UART of the CPU of the processing unit after level conversion; debugging The AUX-UART signal in the unit is level-converted by the CPLD of the processing unit and interconnected with the RJ45 interface on the panel; the USB interface and JTAG interface of the debugging unit are directly connected to the panel interface through the CPU of the processing unit.

Further, the UART signal of the monitoring unit is connected to the CPLD of the processing unit after level conversion; the GPIO signal of the monitoring unit includes the general GPIO signal, the board presence signal, the slot address signal, the board power-on enable signal and the board Card reset signal, the GPIO signal of the monitoring unit is isolated and connected to the CPLD of the processing unit; the I2C signal of the monitoring unit is isolated and connected to the I2C expansion chip, and then the I2C expansion chip is connected to the I2C interface of the CPU of the processing unit; the monitoring unit The CAN signal in is used to manage power.

Further, the power supply unit includes an electrical connector, a power protection circuit and a power conversion chip connected in sequence; the electrical connector is used to introduce external power; the power protection circuit is used to protect the introduced external power; and the power conversion chip is used to Implement voltage conversion for the introduced external power supply.

The invention also provides a low-power autonomously controllable multi-board card complete equipment monitoring method, which includes:

The above-mentioned low-power independent and controllable multi-board equipment monitoring system is used to monitor and manage the power-on and startup of multi-board equipment, and monitor multi-board equipment through I2C, UART, CAN bus and GPIO interfaces. Each business board of the card machine equipment collects and summarizes necessary information to achieve status monitoring and health management of the multi-board card machine equipment; specifically including multi-board card machine equipment start-up management and multi-board card machine equipment communication Management and debugging management of multi-board equipment.

Further, the multi-board card complete equipment startup management includes:

After the power supply of the multi-board machine is started, the monitoring system is first in the working state and detects the insertion status of each service board in the machine through the board presence register and slot address register; then based on the detection situation, the monitoring system is powered on through the board. The enable signal enables the power supply of each service board in accordance with the power-on sequence; finally, each service board of the whole machine reports the startup status through the GPIO signal according to the startup process. At the same time, the monitoring system completes the multi-board operation according to the startup reporting status of each service board. Start-up detection of all boards in the complete equipment, and report and display status.

Further, the multi-board card complete equipment communication management includes:

During the operation of the multi-board card complete machine, data interaction occurs between each business board and the monitoring unit of the monitoring system through I2C, UART and CAN; the data exchanged through I2C between the monitoring unit and each business board of the complete machine includes various The board inherent information, working status, alarm information, temperature and voltage reported by the business board, as well as the fan control instructions issued by the monitoring system; the CAN of the monitoring unit is used to connect the power module of the multi-board equipment to obtain the multi-board Real-time status and management information of the power module of the card machine; UART serves as a backup for I2C;

During the operation of the multi-board equipment, the processing unit sends the monitoring information obtained by the monitoring unit through UART, I2C and CAN to the storage unit; the storage unit organizes the monitoring information output by each business board into a text log file to form a multi-board Monitoring logs of the entire card equipment.

Further, the multi-board card complete equipment debugging management includes:

In the debugging unit of the monitoring system, IPMI, UART, USB, and JTAG interfaces are used for debugging the monitoring system; AUX-UART is used for debugging connections of each business board and provides status indication and reset input; the signals of AUX-UART are connected to each business The UART signals of the board are connected to the CPLD of the processing unit. The UART interface on the business board is switched to the AUX-UART through the CPLD to realize the serial port switching and debugging functions of each business board.

In summary, due to the adoption of the above technical solutions, the beneficial effects of the present invention are:

1. The present invention uses low-power processors, CPLDs, signal conversion chips, interface expansion chips and other devices to solve the problem of high power consumption in multi-board equipment monitoring systems in the prior art and reduce monitoring costs.

2. The present invention can use a processor with completely independent intellectual property rights, combined with other domestic CPLDs, memories, power chips, interface chips, etc., to meet higher localization requirements and realize the independence of the multi-board equipment monitoring system. Controllable.

3. The present invention draws out UART, GPIO, I2C, and CAN monitoring signals to ensure monitoring performance and reliability while meeting the multi-functional monitoring and management needs of complex multi-board equipment. In addition, the communication interface expansion chip is designed to meet Monitoring and management requirements for different numbers of boards.

4. The present invention uses CPLD to perform data interaction between the UART interface on each service board of the multi-board device and the AUX-UART of the panel debugging unit, and then realizes the serial port switching and debugging functions of each service board through logic design. It solves the problem in the prior art of complicated design methods for monitoring the serial ports of each business board in the complete equipment of multiple boards through the panel interface, reduces the design cost, and increases the convenience of operation.

Description of drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings in the embodiments will be briefly introduced below. It should be understood that the following drawings only show some embodiments of the present invention and therefore should not be viewed as The drawings are limited to the scope. For those of ordinary skill in the art, other relevant drawings can be obtained based on these drawings without exerting creative efforts.

Figure 1 is a schematic block diagram of a low-power autonomously controllable multi-board card complete equipment monitoring system in an embodiment of the present invention.

Figure 2 is a functional block diagram of a power supply unit in an embodiment of the present invention.

Detailed ways

In order to make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments These are some embodiments of the present invention, rather than all embodiments. The components of the embodiments of the invention generally described and illustrated in the figures herein may be arranged and designed in a variety of different configurations.

Therefore, the following detailed description of the embodiments of the invention provided in the appended drawings is not intended to limit the scope of the claimed invention, but rather to represent selected embodiments of the invention. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts fall within the scope of protection of the present invention.

Example

As shown in Figure 1, this embodiment proposes a low-power autonomously controllable multi-board equipment monitoring system, including a processing unit, a storage unit, a debugging unit, a monitoring unit and a power supply unit;

The processing unit and storage unit are connected through a data bus including SPI and I2C;

The processing unit and debugging unit are connected through data interfaces including IPMI, UART, AUX-UART, USB and JTAG;

The processing unit communicates with each business board in the multi-board equipment via the monitoring unit; the monitoring unit is used to extract and isolate monitoring signals including UART, GPIO, I2C and CAN; the processing unit is used to communicate with the monitoring unit Collect and control information from each business board;

The power supply unit is used to supply power to each unit of the monitoring system.

In one embodiment, the processing unit includes a CPU (Central Processing Unit) and a CPLD (Complex Programmable Logic Device); the CPU and CPLD are connected through a data interface including UART, GPIO, and I2C; the CPU is made of domestically produced low-power, high-power Performance processor Ingenic M300. The power consumption of Ingenic M300 processor is only 0.4W. It is mainly oriented to the fields of intelligent Internet of Things and data control. It adopts 2 logical dual core+/> 0's three-core heterogeneous layout, clocked at 1.4GHz, and supports a variety of peripheral interfaces. CPLD is implemented using the domestic Anlu CPLD chip EF3L90CG400B. The EF3 device adopts 55nm low-power technology and is mainly oriented to communications, industrial control and other fields. It supports up to 336 user IOs.

In one embodiment, the storage unit includes DDR, FLASH, eMMC and EEPROM, and is used to manage and store the output information of the monitoring unit to form a monitoring log. Ingenic M300 processor integrates 256MByte LPDDR3 on-chip. Taking into account the versatility of the system, M300 expands multiple memory types, expands 256MByte FLASH through the SPI interface, and uses domestic FLASH chips for implementation (models include but are not limited to GigaDevice's GD25Q256DYIG) ;Extend 4GBeMMC through the standard bus interface MSC, and select domestic eMMC chips for implementation (models include but not limited to Longsys Electronics' FEMDME004G-A8A39); Expand 256MByte EEPROM through the I2C interface, and select domestic EEPROM chips for implementation (models include but are not limited to Limited to Shanghai Belling’s BL24C256A-SFRC).

In one embodiment, the debugging unit is used to provide a debugging interface, and the debugging interface includes IPMI, UART, AUX-UART, USB, and JTAG, where AUX-UART is used for debugging connections of each service board. The IPMI interface in the debugging unit is mainly interconnected by the GMAC0 of the M300 with the RJ45 interface on the panel through the PHY chip and network transformer; a domestic PHY chip (model including but not limited to YT8521SH of Yutai Microelectronics) is selected to convert the RGMII signal into 10 /100/1000Mbps adaptive network signal, using domestic transformers (models include but not limited to HR682411E of Hanren Electronics) to achieve data transmission and isolation. The UART signal in the debugging unit is connected to the RJ45 interface on the panel through the UART of M300 after level conversion; the AUX-UART signal in the debugging unit is interconnected with the RJ45 interface on the panel after level conversion by EF3L90CG400B, both are selected Domestic RS-232 signal transceivers realize level conversion (models include but are not limited to SM3232 of China Microelectronics). The USB and JTAG interfaces of the debugging unit are directly connected to the panel interface through M300.

In one embodiment, the monitoring unit mainly collects and controls UART, GPIO, I2C, CAN and other monitoring signals of each service board in the multi-board device. The UART signal of the monitoring unit is connected to EF3L90CG400B after level conversion, and a domestic RS-232 signal transceiver is selected to achieve level conversion (models include but not limited to SM3232 of China Microelectronics). The GPIO signals of the monitoring unit mainly include general GPIO signals, board presence signals, slot address signals, board power-on enable signals, board reset signals, etc. The GPIO signals of the monitoring unit are isolated and connected to EF3L90CG400B, using domestically produced The bus transceiver implements level conversion isolation (models include but are not limited to SGM8T245XTS24G/TR of Shengbang Microelectronics). The I2C signal of the monitoring unit is isolated and connected to the I2C expansion chip, and then the I2C expansion chip is connected to the I2C interface of the M300, and a domestic I2C hot-swappable buffer is selected to achieve level conversion isolation (models include but not limited to Nanocore Microelectronics) NCA9511-DMSR), using a domestic 8-channel I2C bus switching chip to achieve I2C expansion (models include but not limited to AT9548APW from Coreview Technology). The CAN signal in the monitoring unit is mainly for power management. Since the M300 does not integrate a CAN controller, a domestic CAN-to-UART module is used to convert the UART in the M300 into a CAN signal (models include but are not limited to Zhiyuan Electronics' CSM100T).

In one embodiment, the power supply unit is mainly used to supply power to the monitoring system. The monitoring system introduces an external power supply through a domestic electrical connector, and the external power supply is a 54V working voltage (models include but are not limited to HMMQ41212AZ of Grepow Electronics). After passing through the power protection circuit, DC-DC, LDO and other power conversion chips are used to achieve voltage conversion, and domestic surge suppressors are selected to achieve overvoltage protection, overcurrent protection and other protection functions (models include but are not limited to SM4356MP of China Microelectronics) ; DC-DC power conversion adopts domestic series modules (brands include but not limited to Yinglian Electronics series); LDO power conversion adopts domestic series modules (brands include but are not limited to Shanghai Belling series). The schematic block diagram of the power supply unit is shown in Figure 2. The multi-board equipment monitoring system adopts a low-power design, with a total power consumption of about 8W. The power domain includes (1) board-level power supply and CPLD power supply 3.3V; (2) M300 VDDIORTC power supply 1.8V; (3) M300 VDDRTC Power supply 0.9V; (4) M300 VDDIO power supply 1.8V; (5) M300 VMEN power supply 1.2V; (6) M300 VDDIO power supply 3.3V; (7) M300 VDDIO power supply 0.9V. The board-level power supply and the CPLD power supply 3.3V are powered on first, and then the CPLD controls the power-on sequence of other power supplies.

This embodiment also provides a low-power autonomously controllable multi-board device monitoring method, including:

The low-power autonomously controllable multi-board equipment monitoring system is used to monitor and manage the power-on and startup of the multi-board equipment, and monitor the multi-board equipment through I2C, UART, CAN bus and GPIO interfaces. Each business board of the card machine equipment collects and summarizes necessary information to achieve status monitoring and health management of the multi-board card machine equipment; specifically including multi-board card machine equipment start-up management and multi-board card machine equipment communication Management and debugging management of multi-board equipment.

The startup management of the multi-board card complete equipment includes: after the multi-board card complete equipment is powered on, the monitoring system is first in the working state, and detects the insertion status of each service board in the complete machine through the board card presence register and slot address register; Then, based on the detection situation, the monitoring system uses the board power-on enable signal to enable the power supply of each service board in accordance with the power-on sequence. In order to avoid excessive peak current caused by simultaneous power-on, the startup interval parameter is set to 1000ms; finally, each of the complete machine The business board reports the startup status through the GPIO signal according to the startup process. At the same time, the monitoring system completes the startup detection of all boards in the multi-board device based on the startup reporting status of each business board, and reports and displays the status.

The multi-board card complete machine equipment communication management includes: during the operation of the multi-board card complete machine equipment, data interaction between each business board and the monitoring unit of the monitoring system through I2C, UART, and CAN; the monitoring unit and each of the complete machine The data exchanged between business boards through I2C includes the board inherent information, working status, alarm information, temperature and voltage reported by each business board, as well as the fan control instructions issued by the monitoring system; the CAN of the monitoring unit is used to connect multiple The power module of the board and complete equipment can obtain the real-time status and management information of the power module of the multi-board and complete equipment; since I2C master-slave communication uses polling, too many slave devices can easily lead to a lack of processor resources, so it is reserved for monitoring UART communication between the unit and each business board can be used to replace I2C communication when necessary to increase the stability of the monitoring system.

During the operation of the multi-board equipment, the processing unit sends the monitoring information obtained by the monitoring unit through UART, I2C and CAN to the storage unit; the storage unit organizes the monitoring information output by each business board into a text log file to form a multi-board Monitoring logs of the entire card equipment.

The multi-board card complete equipment debugging management includes: in the debugging unit of the monitoring system, IPMI, UART, USB, and JTAG interfaces are used for debugging of the monitoring system; AUX-UART is used for debugging connections of each business board and provides status indication and reset input; the AUX-UART signal and the UART signal of each business board are connected to the CPLD of the processing unit. The UART interface on the business board is switched to the AUX-UART through the CPLD to realize the serial port of each business board. Switching and debugging functions.

The above descriptions are only preferred embodiments of the present invention and are not intended to limit the present invention. For those skilled in the art, the present invention may have various modifications and changes. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention shall be included in the protection scope of the present invention.

Claims (10)

1. The system is characterized by comprising a processing unit, a storage unit, a debugging unit, a monitoring unit and a power supply unit;

the processing unit is connected with the storage unit through a data bus comprising SPI and I2C;

the processing unit and the debugging unit are connected through a data interface comprising IPMI, UART, AUX-UART, USB and JTAG;

the processing unit is connected and communicated with each service board card in the multi-board card complete machine equipment through the monitoring unit; the monitoring unit is used for extracting and isolating monitoring signals comprising UART, GPIO, I C and CAN; the processing unit is used for collecting and controlling the information of each business board card through the monitoring unit;

the power supply unit is used for supplying power to each unit of the monitoring system.

2. The low-power-consumption autonomously controllable multi-board whole machine equipment monitoring system according to claim 1, wherein the processing unit comprises a CPU and a CPLD; the CPU and the CPLD are connected through a data interface comprising UART, GPIO, I C.

3. The system for monitoring the low-power-consumption independently controllable multi-board card whole machine equipment according to claim 1, wherein the storage unit comprises DDR, FLASH, eMMC and EEPROM (electrically erasable programmable read-Only memory) for managing and storing the output information of the monitoring unit to form a monitoring log; DDR is integrated in the CPU of the processing unit, FLASH is externally expanded through an SPI interface, eMMC is externally expanded through a standard bus interface MSC, and EEPROM is externally expanded through an I2C interface.

4. The system for monitoring the low-power-consumption independently controllable multi-board whole machine equipment according to claim 1, wherein the debugging unit is used for providing a debugging interface, the debugging interface comprises IPMI, UART, AUX-UART, USB, JTAG, and AUX-UART is used for debugging connection of each service board; the IPMI interface in the debugging unit is used for interconnecting the CPU of the processing unit with the RJ45 interface on the panel after passing through the PHY chip and the network transformer; the UART signal in the debugging unit is connected to an RJ45 interface on the panel after level conversion through the UART of the CPU of the processing unit; the signal of AUX-UART in the debugging unit is interconnected with RJ45 interface on the panel after level conversion by CPLD of the processing unit; the USB interface and JTAG interface of the debugging unit are directly connected with the panel interface through the CPU of the processing unit.

5. The low-power-consumption autonomously controllable multi-board whole machine equipment monitoring system according to claim 1, wherein UART signals of the monitoring unit are connected to the CPLD of the processing unit after level conversion; the GPIO signals of the monitoring unit comprise general purpose GPIO signals, board card in-place signals, slot address signals, board card power-on enabling signals and board card reset signals, and the GPIO signals of the monitoring unit are connected with the CPLD of the processing unit after being isolated; the I2C signal of the monitoring unit is connected to the I2C expansion chip after being isolated, and then the I2C expansion chip is connected to an I2C interface of the CPU of the processing unit; the CAN signal in the monitoring unit is used for managing the power supply.

6. The low-power-consumption independently controllable multi-board card whole machine equipment monitoring system according to claim 1, wherein the power supply unit comprises an electric connector, a power supply protection circuit and a power supply conversion chip which are connected in sequence; the electric connector is used for introducing an external power supply; the power supply protection circuit is used for realizing a protection function for an introduced external power supply; the power conversion chip is used for converting the voltage of the introduced external power supply.

7. The utility model provides a low-power consumption independently controllable multi-board card whole machine equipment monitoring method which is characterized by comprising the following steps:

the low-power-consumption independently controllable multi-board whole machine equipment monitoring system according to any one of claims 1-6 is adopted to monitor and manage the power-on and the starting of the multi-board whole machine equipment, and necessary information is collected and summarized for each service board card of the multi-board whole machine equipment through an I2C, UART, CAN bus and a GPIO interface, so that the state monitoring and the health management of the multi-board whole machine equipment are realized; the method specifically comprises the steps of starting management of the whole equipment with multiple boards, communication management of the whole equipment with multiple boards and debugging management of the whole equipment with multiple boards.

8. The method for monitoring the low-power-consumption independently controllable multi-board complete machine equipment according to claim 7, wherein the starting management of the multi-board complete machine equipment comprises the following steps:

after the power supply of the multi-board whole machine equipment is started, the monitoring system is in a working state at first, and the insertion condition of each service board card of the whole machine is detected through the board card in-place register and the slot address register; then according to the detection condition, the monitoring system enables the power supply of each service board card according to the power-on sequence through the board card power-on enabling signal; and finally, reporting the starting state of each service board card of the whole machine through GPIO signals according to the starting process, and simultaneously completing the starting detection of all the board cards in the whole machine equipment with multiple board cards and reporting and displaying the state by a monitoring system according to the starting reporting condition of each service board card.

9. The method for monitoring the low-power-consumption independently controllable multi-board complete machine equipment according to claim 7, wherein the communication management of the multi-board complete machine equipment comprises the following steps:

in the running process of the multi-board card complete machine equipment, data interaction is carried out between each business board card and a monitoring unit of a monitoring system through I2C, UART and CAN; the data exchanged between the monitoring unit and each service board card of the whole machine through the I2C comprises inherent board card information, working state, alarm information, temperature and voltage reported by each service board card and a fan control instruction issued by the monitoring system; the CAN of the monitoring unit is used for connecting with a power module of the whole multi-board card equipment to acquire real-time state and management information of the power module of the whole multi-board card equipment; UART is used as a standby of I2C;

in the running process of the multi-board card complete machine equipment, the processing unit sends monitoring information obtained by the monitoring unit through the UART, the I2C and the CAN to the storage unit; and the storage unit sorts the monitoring information output by each service board into a text log file to form a monitoring log of the whole multi-board device.

10. The method for monitoring the low-power-consumption independently controllable multi-board complete machine equipment according to claim 7, wherein the debugging management of the multi-board complete machine equipment comprises the following steps:

in a debugging unit of the monitoring system, a IPMI, UART, USB, JTAG interface is used for debugging the monitoring system; the AUX-UART is used for debugging and connecting each service board card and providing a state indication and a reset input; the AUX-UART signals and the UART signals of the business boards are connected to the CPLD of the processing unit, and UART interfaces on the business boards are switched to the AUX-UART through the CPLD, so that the serial port switching and debugging functions of the business boards are realized.