CN114200346A - Device and method for detecting on-off of cables in server system - Google Patents

Device and method for detecting on-off of cables in server system Download PDF

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Publication number
CN114200346A
CN114200346A CN202111370545.8A CN202111370545A CN114200346A CN 114200346 A CN114200346 A CN 114200346A CN 202111370545 A CN202111370545 A CN 202111370545A CN 114200346 A CN114200346 A CN 114200346A
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China
Prior art keywords
cable
tested
cables
connector
cpld
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CN202111370545.8A
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CN114200346B (en
Inventor
朱惠铭
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Suzhou Inspur Intelligent Technology Co Ltd
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Suzhou Inspur Intelligent Technology Co Ltd
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    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
    • G01R31/50—Testing of electric apparatus, lines, cables or components for short-circuits, continuity, leakage current or incorrect line connections
    • G01R31/54—Testing for continuity
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
    • G01R31/50—Testing of electric apparatus, lines, cables or components for short-circuits, continuity, leakage current or incorrect line connections
    • G01R31/58—Testing of lines, cables or conductors
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
    • G05B19/00—Programme-control systems
    • G05B19/02—Programme-control systems electric
    • G05B19/04—Programme control other than numerical control, i.e. in sequence controllers or logic controllers
    • G05B19/042—Programme control other than numerical control, i.e. in sequence controllers or logic controllers using digital processors
    • G05B19/0428—Safety, monitoring
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
    • Y02D10/00—Energy efficient computing, e.g. low power processors, power management or thermal management

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Automation & Control Theory (AREA)
  • Testing Of Short-Circuits, Discontinuities, Leakage, Or Incorrect Line Connections (AREA)

Abstract

The invention discloses a device and a method for detecting the on-off of a cable in a server system, wherein the device for detecting the on-off of the cable in the server system comprises the following steps: a connector grounded through a grounding structure; one end of each of the two cables to be tested is connected with a main board power supply, and the other end of each of the two cables to be tested is communicated with diagonal terminals on the outer edges of the two sides of the connector; the CPLD is connected with the two cables to be tested, and two input ends of the CPLD are respectively communicated with the diagonal terminals of the connector through the two cables to be tested; and the on-off signal indicating circuit is connected to the output end of the CPLD and is used for sending out a corresponding on-off signal according to the connection on-off condition of the two cables to be tested and the connector. The technical scheme of the invention can solve the problem that the detection mechanism of the on-off condition of the cable in the prior art is difficult to early warn the on-off condition of the cable before the server system is configured.

Description

Device and method for detecting on-off of cables in server system
Technical Field
The invention relates to the technical field of servers, in particular to a device and a method for detecting on-off of cables in a server system.
Background
The server system is a kind of computer, and provides calculation or application services for other clients (such as terminals like PCs, smart phones, ATMs, etc., and even large-scale equipment like train systems, etc.) in the network. The server system has high-speed CPU operation capability, long-time reliable operation, strong I/O external data throughput capability and better expansibility, so that the server system is widely applied to the fields of data processing and network operation and maintenance.
In a server system, signal transmission requires a large amount of cables for communication, and most of the configurations of servers depend on the use of cables, so that the application of cables is indispensable to the servers and is becoming more and more widespread. Usually, the cables are inserted into connectors to connect devices on the motherboard or backplane of the server, and therefore the design of the connectors on the board is also important. During the assembly of the server system, it is necessary to ensure that the communication of the cable signals is not abnormal, i.e. the connection between the cable and the connector is normal. Therefore, the on-off condition of the cable needs to be detected so as to determine whether the cable is normally connected with the connector.
However, most of the existing detection mechanisms for the on-off condition of cables still check the configuration of the server system after the cables are connected, and collect configuration information to locate the cables with problems. The method is difficult to early warn the on-off condition of the cable before the server system is configured.
Disclosure of Invention
The invention provides a device and a method for detecting the on-off of a cable in a server system, and aims to solve the problem that the on-off of the cable is difficult to early warn before the configuration of the server system by a detection mechanism aiming at the on-off of the cable in the prior art.
According to a first aspect of the present invention, there is provided an on/off cable detection device in a server system, comprising:
the connector is grounded through the grounding structure;
one end of each of the two cables to be tested is connected with a main board power supply, and the other end of each of the two cables to be tested is communicated with diagonal terminals on the outer edges of the two sides of the connector;
the CPLD is connected with the two cables to be tested, and two input ends of the CPLD are respectively communicated with the diagonal terminals of the connector through the two cables to be tested;
and the on-off signal indicating circuit is connected to the output end of the CPLD and is used for sending out corresponding on-off signals according to the connection on-off condition of the two cables to be tested and the connector.
Preferably, in the cable on/off detection apparatus, the ground structure includes:
a backplane or adapter card connected to the connector;
the back plate or the adapter card is grounded.
Preferably, in the cable on-off detection apparatus, the on-off signal indication circuit includes:
a high voltage power supply;
a first divider resistor in communication with the high voltage power supply;
the light emitting diode is communicated with the first voltage dividing resistor; the light emitting diode is communicated with the output end of the CPLD.
Preferably, the cable on-off detection device further includes:
the middle conducting wire is communicated with the cable to be tested and is connected to the cable to be tested between the main board power supply and the diagonal terminal;
and the cable to be tested is communicated with the input end of the CPLD through the middle conducting wire.
Preferably, the cable on-off detection device further includes:
and the second voltage-dividing resistor is connected between the cable to be tested and the main board power supply.
Preferably, the cable on-off detection device further includes:
the sliding probe is detachably connected to the tail end of the cable to be tested and is in sliding connection with the terminal of the connector.
Preferably, the cable on-off detection device further includes:
the upper computer is electrically connected with the CPLD;
the first on-off switch is electrically connected with the upper computer and is communicated between the main board power supply and the cable to be tested;
and the second on-off switch is electrically connected with the upper computer and is communicated with the on-off signal indicating circuit.
According to a second aspect of the present invention, the present invention further provides a method for detecting on/off of a cable in a server system, which is used in the line on/off detection system according to any one of the above technical solutions; the line on-off detection method comprises the following steps:
grounding the connector;
connecting one end of each of the two cables to be tested to a main board power supply, and connecting the other end of each of the two cables to be tested to a diagonal terminal of the connector;
connecting a cable to be tested into the input end of the CPLD, and connecting the output end of the CPLD with the on-off signal indicating circuit;
and detecting the on-off signal of the on-off signal indicating line, and determining the on-off condition of the cable to be tested according to the on-off signal.
Preferably, in the method for detecting the on-off of the cable, the step of detecting the on-off signal of the on-off signal indicating line and determining the on-off condition of the cable to be tested according to the on-off signal includes:
judging whether a light emitting diode of the on-off signal indicating circuit is lighted;
if the light-emitting diode is judged to be lightened, the cable to be tested is judged to be normally communicated;
and if the light-emitting diode is not bright, judging that the communication of the cable to be tested is abnormal.
Preferably, the method for detecting on/off of a cable further includes:
turning off a first on-off switch between a main board power supply and the cable to be tested by using an upper computer;
communicating a first on-off switch between a main board power supply and another cable to be tested by using an upper computer;
controlling a second on-off switch on-off signal indication circuit by using an upper computer;
and determining the on-off condition of the other cable to be tested according to the on-off signal of the on-off signal indicating line.
According to the scheme for detecting the on-off of the cable in the server system, the connector is grounded; connecting one end of each of the two cables to be tested to a main board power supply, and connecting the other end of each of the two cables to be tested to a diagonal terminal of the connector; therefore, the two cables can be grounded through the connector, then the cable to be tested is connected to the input end of the CPLD, and the output end of the CPLD is connected with the on-off signal indicating circuit; because the two cables are grounded through the diagonal terminals of the connector respectively, when the paths of the two cables are normal, the on-off signal indicating circuit can indicate the cables to be communicated; when two cable passageways are abnormal, the break-make signal instructs the cable just can instruct the cable to connect the disconnection, and the cable is unusual. Therefore, the on-off condition of the cable to be tested can be accurately determined according to the on-off signal by detecting the on-off signal of the on-off signal indicating line. In conclusion, by the cable on-off detection scheme, the problem that the existing detection mechanism for the cable on-off condition is difficult to warn the cable on-off condition before the server system is configured can be solved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.
Fig. 1 is a schematic structural diagram of a cable on-off detection device in a first server system according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of a cable on-off detection device in a second server system according to an embodiment of the present invention;
fig. 3 is a schematic flowchart of a method for detecting on/off of a cable in a server system according to a first embodiment of the present invention;
FIG. 4 is a schematic flow chart of a method for detecting an ON/OFF signal according to the embodiment shown in FIG. 3;
fig. 5 is a schematic flowchart of a second method for detecting on/off of a cable in a server system according to an embodiment of the present invention;
fig. 6 is a schematic flowchart of a first method for detecting on/off of a cable in a server system according to an embodiment of the present invention.
The implementation, functional features and advantages of the objects of the present invention will be further explained with reference to the accompanying drawings.
Reference numerals Name (R) Reference numerals Name (R)
1 Connector with a locking member 2 Grounding structure
3 Cable to be tested 4 Mainboard power supply
5 Programmable logic device/CPLD 6 On-off signal indicating circuit
7 Intermediate conductor 8 Second voltage dividing resistor
9 Sliding probe 10 Upper computer
11 First passBreak switch 12 Second on/off switch
601 High voltage power supply 602 First voltage dividing resistor
603 Light emitting diode
Detailed Description
It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
The main technical problems of the embodiment of the invention are as follows:
in the prior art, most of the existing detection mechanisms for the on-off condition of cables still check the configuration of a server system after the cables are connected, and collect configuration information to locate the cables with specific problems. The method is difficult to early warn the on-off condition of the cable before the server system is configured.
In order to solve the above problems, the following embodiments of the present application provide a method for detecting on/off of a cable in a server system, which mainly uses the terminal at the outermost edge and the opposite angle at the two sides of a connector as a reference point, and the position design can easily detect whether the interface and the connector of the cable are obliquely inserted or not inserted to the bottom, and then design the setting of the high/low level of voltage, input the result into a complex programmable logic device CPLD, and then through an intermediate line, the CPLD determines to output a signal of the high level or the low level to a light emitting diode LED. The light-emitting diode is matched with red light, when the cable is not positioned really, In-1 or In-2 of the CPLD can be kept In a high-level state continuously, so that after the CPLD judges that the output end out position of the CPLD outputs a low-level signal, and the light-emitting diode lights a red light to warn to indicate that the cable is configured abnormally; whereas when the cable is positively positioned, the light is not lit. Whether the connection of the cable is abnormal or not can be inquired at the first time when the mainboard is electrified through the cable on-off detection device, and in the using process, the cable can also react at the first time if the cable is loosened.
Referring to fig. 1 in particular, fig. 1 is a schematic structural diagram of a cable on-off detection device in a server system according to an embodiment of the present invention. As shown in fig. 1, the cable on-off detection device in the server system includes:
connector 1, connector 1 is grounded through ground structure 2. The connector 1 is used for connecting a cable 3 to be tested, and the cable 3 to be tested is grounded through the grounding structure 2 of the connector 1, so that the cable 3 to be tested is at a low level if the cable 3 to be tested is communicated. As a preferred embodiment, in the cable on-off detection device, the grounding structure 2 includes: a backplane or adapter card connected to the connector 1; the back plate or the adapter card is grounded.
Two cables 3 to be tested, wherein, the mainboard power 4 is inserted respectively to two cables 3 to be tested's one end, and the other end is linked together with the diagonal terminal of connector 1 both sides outer fringe. Connector 1 is inserted through the one end of the cable 3 that awaits measuring to mainboard power 4, is linked together with the diagonal terminal of connector 1 both sides outer fringe, and under the condition that the cable 3 that awaits measuring switched on like this, mainboard power 4's electric energy will insert ground structure 2 along the cable 3 and the connector 1 that await measuring, conveniently carries out the circular telegram test to the cable 3 that awaits measuring.
And the CPLD5 is connected with the two cables to be tested 3, and the two input ends of the CPLD5 are respectively communicated with the diagonal terminals of the connector 1 through the two cables to be tested 3. Two input ends of the CPLD5 are respectively communicated with diagonal terminals of the connector 1 through the cable 3 to be tested, so that the CPLD5 can sense the electric energy transmitted by the cable 3 to be tested through the diagonal terminals of the connector 1, and compared with the end 4 of the main board power supply, the diagonal terminals connected with the CPLD5 are at a low potential.
And the on-off signal indicating circuit is connected to the output end of the CPLD5 and is used for sending out corresponding on-off signals according to the connection on-off condition of the two cables to be tested 3 and the connector 1. As a preferred embodiment, as shown in fig. 1, in the cable on-off detection device, the on-off signal indication line includes: a high voltage power supply 601; a first voltage dividing resistor 602 communicated with the high voltage power supply 601; a light emitting diode 603 in communication with the first voltage dividing resistor 602; the light emitting diode 603 is connected to the output end of the CPLD 5.
As can be seen from the structure shown in fig. 1: the terminals at the outermost edges and the opposite corners of the two sides of the connector 1 are respectively provided with a group of voltage levels; after the cable is plugged, the interface at the other end is designed to be grounded, and after the cable is connected and conducted, the opposite terminal at the end of the main board is pulled down to a high level, so that the high-voltage power supply 601 is the high level, and the complex programmable logic device 5 outputs a judgment result through the output end OUT of the CPLD5, so that the light-emitting diode 603 is lighted or not lighted, and the state of the light-emitting diode 603 is displayed as shown in the following table:
In-1 In-2 Out LED status Cable state
0 0 0 Non-lighting lamp Is normal
0 1 1 Lighting lamp Alarm system
1 0 1 Lighting lamp Alarm system
1 1 1 Lighting lamp Alarm system
According to the cable on-off detection device in the server system, the connector 1 is grounded; connecting one end of each of the two cables to be tested to a main board power supply 4, and connecting the other end of each of the two cables to be tested to a diagonal terminal of the connector 1; therefore, the two cables can be grounded through the connector 1, then the cable to be tested is connected to the input end of the CPLD5, and the output end of the CPLD5 is connected with the on-off signal indicating circuit; because the two cables are grounded through the diagonal terminals of the connector 1 respectively, when the paths of the two cables are normal, the on-off signal indicating circuit can indicate the cables to be communicated; when two cable passageways are abnormal, the on-off signal indicating circuit 6 can indicate that the cable is disconnected, and the cable is abnormal. Therefore, the on-off condition of the cable to be tested can be accurately determined according to the on-off signal by detecting the on-off signal of the on-off signal indicating line. In conclusion, by the cable on-off detection scheme, the problem that the existing detection mechanism for the cable on-off condition is difficult to warn the cable on-off condition before the server system is configured can be solved.
As a preferred embodiment, as shown in fig. 1, the cable on-off detection device further includes:
the middle lead 7 is communicated with the cable 3 to be tested, and the middle lead 7 is connected to the cable 3 to be tested between the main board power supply 4 and the diagonal terminal; wherein, the cable 3 to be measured is communicated with the input end of the CPLD5 through the middle lead 7.
The CPLD5 is respectively connected with two cables 3 to be tested, and the two cables 3 to be tested are respectively connected with the input ends In-1 and In-2 of the CPLD5 through the middle lead 7, so that the CPLD5 can detect the on-off condition of the cables 3 to be tested from the main board power supply 4 to the grounding structure 2.
As a preferred embodiment, as shown in fig. 1, the cable on-off detection device further includes: and the second voltage-dividing resistor 8 is connected between the cable 3 to be tested and the main board power supply 4. Set up between cable 3 and the mainboard power 4 to be measured through second divider resistance 8, can carry out the partial pressure to cable 3 to be measured, avoid the cable to be burnt out because of the resistance undersize to keep the stability of connector 1 isotructure.
As a preferred embodiment, as shown in fig. 1, the cable on-off detection device further includes: and a sliding probe 9 detachably connected to the end of the cable 3 to be tested and slidably connected to the terminal of the connector 1. The cable 3 to be tested is connected with the terminal of the connector 1 in a sliding mode through the sliding probe 9 at the tail end, so that the cable 3 to be tested can be connected with different connecting terminals of the connector 1, and different electric potentials can be obtained.
As a preferred embodiment, as shown in fig. 2, the cable on-off detection device provided in the embodiment of the present application further includes:
the upper computer 10 is electrically connected with the CPLD 5; the first on-off switch 11 is electrically connected with the upper computer 10 and is communicated between the main board power supply 4 and the cable to be tested; and a second on-off switch 12 electrically connected to the upper computer 10 and connected to the on-off signal indicating line. The upper computer 10 is connected with the CPLD5, so that the detection result of the CPLD5 on the cable 3 to be detected can be obtained through the upper computer 10, and the upper computer 10 can control the CPLD5 to detect different cables 3 to be detected; in addition, the first on-off switch 11 and the second on-off switch 12 are connected with the upper computer 10 respectively, so that the upper computer 10 can control the CPLD5 to detect different cables 3 to be detected respectively through the on and off of the first on-off switch 11, and the on-off results of the cables 3 to be detected are detected respectively.
The CPLD5 is configured on the mainboard, so that the terminal of the outermost edge diagonal of the two sides of the connector 1 can be designed to be at a high level and placed on the mainboard, the position of the backboard or the adapter card relative to the terminal is designed to be grounded, when the cable is connected, the voltage level of the terminal at the corresponding position of the mainboard end is pulled down, and after judgment is made through the CPLD5, a low level is output, so that the LED 603 is not lighted, the default value is not lighted, and electricity can be saved; on the contrary, when the cable is not actually plugged or has an abnormal condition such as inclination, the level of the corresponding connector terminal is not pulled down, and is output as a low level after being judged by the CPLD5, the light emitting diode 603 is lighted, and the user is reminded of the phenomenon that the cable is abnormal.
In order to implement the functions of the system, the following embodiments of the present application further provide a method for detecting on/off of a cable in a server system, where the functions of the system can be implemented by the method for detecting on/off of a cable in the system, and since the method is already mentioned in the specific operation steps, repeated descriptions are omitted.
Referring to fig. 3, fig. 3 is a diagram of a method for detecting on/off of a cable in a server system according to an embodiment of the present invention, which is used in the line on/off detection system according to any of the embodiments; the line on-off detection method comprises the following steps:
s110: grounding the connector;
s120: connecting one end of each of the two cables to be tested to a main board power supply, and connecting the other end of each of the two cables to be tested to a diagonal terminal of the connector;
s130: connecting a cable to be tested into the input end of the CPLD, and connecting the output end of the CPLD with the on-off signal indicating circuit;
s140: and detecting the on-off signal of the on-off signal indicating line, and determining the on-off condition of the cable to be tested according to the on-off signal.
As a preferred embodiment, as shown in fig. 4, the step of detecting the on-off signal of the on-off signal indicating line and determining the on-off condition of the cable to be tested according to the on-off signal includes:
s141: judging whether a light emitting diode of the on-off signal indicating circuit is lighted;
s142: if the light-emitting diode is judged to be lighted, the cable to be tested is confirmed to be normally communicated;
s143: and if the light-emitting diode is judged not to be bright, confirming that the communication of the cable to be tested is abnormal.
To sum up, the method for detecting the on-off state of the cable in the server system provided by the embodiment of the application grounds the connector; connecting one end of each of the two cables to be tested to a main board power supply, and connecting the other end of each of the two cables to be tested to a diagonal terminal of the connector; therefore, the two cables can be grounded through the connector, then the cable to be tested is connected to the input end of the CPLD, and the output end of the CPLD is connected with the on-off signal indicating circuit; because the two cables are grounded through the diagonal terminals of the connector respectively, when the paths of the two cables are normal, the on-off signal indicating circuit can indicate the cables to be communicated; when two cable passageways are abnormal, the break-make signal instructs the cable just can instruct the cable to connect the disconnection, and the cable is unusual. Therefore, the on-off condition of the cable to be tested can be accurately determined according to the on-off signal by detecting the on-off signal of the on-off signal indicating line. In conclusion, by the cable on-off detection scheme, the problem that the existing detection mechanism for the cable on-off condition is difficult to warn the cable on-off condition before the server system is configured can be solved.
As a preferred embodiment, as shown in fig. 5, the method for detecting on/off of a cable provided in the embodiment of the present application further includes, in addition to the above steps:
s210: turning off a first on-off switch between a main board power supply and the cable to be tested by using an upper computer;
s220: communicating a first on-off switch between a main board power supply and another cable to be tested by using an upper computer;
s230: controlling a second on-off switch on-off signal indication circuit by using an upper computer;
s240: and determining the on-off condition of the other cable to be tested according to the on-off signal of the on-off signal indicating line.
The upper computer is connected with the CPLD, so that the detection result of the CPLD on the cable to be detected can be obtained through the upper computer, and the upper computer can control the CPLD to detect different cables to be detected; in addition, the first on-off switch and the second on-off switch are respectively connected with the upper computer, so that the upper computer can control the CPLD to respectively detect different cables to be detected through the on-off of the first on-off switch, and the on-off results of the cables to be detected are respectively detected.
In addition, as a preferred embodiment, fig. 6 provides a cable on-off detection method, including:
s310: the system starts to enter a starting program.
S320: complex Programmable Logic Device (CPLD) start-up.
S330: a Complex Programmable Logic Device (CPLD) starts to judge the state of a corresponding terminal of the connector; if the cable is normal, go to step S340; if the cable is abnormal, step S360 is executed.
S340: it is detected that the LED is not lit.
S350: and finishing the startup.
S360: the LED illumination is detected.
S370: the user shuts down the inspection cable assembly.
As will be appreciated by one skilled in the art, embodiments of the present invention may be provided as a method, system, or computer program product. Accordingly, the present invention may take the form of an entirely hardware embodiment, an entirely software embodiment or an embodiment combining software and hardware aspects. Furthermore, the present invention may take the form of a computer program product embodied on one or more computer-usable storage media (including, but not limited to, disk storage, CD-ROM, optical storage, and the like) having computer-usable program code embodied therein.
The present invention is described with reference to flowchart illustrations and/or block diagrams of methods, apparatus (systems), and computer program products according to embodiments of the invention. It will be understood that each flow and/or block of the flow diagrams and/or block diagrams, and combinations of flows and/or blocks in the flow diagrams and/or block diagrams, can be implemented by computer program instructions. These computer program instructions may be provided to a processor of a general purpose computer, special purpose computer, embedded processor, or other programmable data processing apparatus to produce a machine, such that the instructions, which execute via the processor of the computer or other programmable data processing apparatus, create means for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be stored in a computer-readable memory that can direct a computer or other programmable data processing apparatus to function in a particular manner, such that the instructions stored in the computer-readable memory produce an article of manufacture including instruction means which implement the function specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be loaded onto a computer or other programmable data processing apparatus to cause a series of operational steps to be performed on the computer or other programmable apparatus to produce a computer implemented process such that the instructions which execute on the computer or other programmable apparatus provide steps for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
It should be noted that in the claims, any reference signs placed between parentheses shall not be construed as limiting the claim. The word "comprising" does not exclude the presence of elements or steps not listed in a claim. The word "a" or "an" preceding an element does not exclude the presence of a plurality of such elements. The invention may be implemented by means of hardware comprising several distinct elements, and by means of a suitably programmed computer. In the unit claims enumerating several means, several of these means may be embodied by one and the same item of hardware. The usage of the words first, second and third, etcetera do not indicate any ordering. These words may be interpreted as names.
While preferred embodiments of the present invention have been described, additional variations and modifications in those embodiments may occur to those skilled in the art once they learn of the basic inventive concepts. Therefore, it is intended that the appended claims be interpreted as including preferred embodiments and all such alterations and modifications as fall within the scope of the invention.
It will be apparent to those skilled in the art that various changes and modifications may be made in the present invention without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include such modifications and variations.

Claims (10)

1. A cable on-off detection device in a server system, comprising:
a connector (1), the connector (1) being grounded by a grounding structure (2);
the cable connector comprises two cables (3) to be tested, wherein one end of each of the two cables (3) to be tested is connected to a main board power supply (4) respectively, and the other end of each of the two cables (3) to be tested is communicated with diagonal terminals on the outer edges of two sides of the connector (1);
the CPLD (5) is connected with the two cables to be tested (3), and two input ends of the CPLD (5) are respectively communicated with the diagonal terminals of the connector (1) through the two cables to be tested (3);
and the on-off signal indicating circuit (6) is connected to the output end of the CPLD (5) and is used for sending out a corresponding on-off signal according to the connection on-off condition of the two cables (3) to be tested and the connector (1).
2. The cable make-and-break detection device according to claim 1, characterized in that said grounding structure (2) comprises:
a back plate or an adapter card connected with the connector (1);
the back plate or the adapter card is grounded.
3. The cable on-off detection device according to claim 1, wherein the on-off signal indication line (6) comprises:
a high voltage power supply (601);
a first voltage dividing resistor (602) in communication with the high voltage power supply (601);
a light emitting diode (603) in communication with the first voltage divider resistor (602); the light emitting diode (603) is communicated with the output end of the CPLD (5).
4. The cable on-off detection device according to claim 1, further comprising:
the middle lead (7) is communicated with the cable (3) to be tested, and the middle lead (7) is connected to the cable (3) to be tested between the main board power supply (4) and the diagonal terminal;
the cable (3) to be tested is communicated with the input end of the CPLD (5) through a middle lead (7).
5. The cable on-off detection device according to claim 4, further comprising:
and the second voltage-dividing resistor (8) is connected between the cable (3) to be tested and the main board power supply (4).
6. The cable on-off detection device according to claim 1, further comprising:
the sliding probe (9) is detachably connected to the tail end of the cable (3) to be tested and is in sliding connection with the terminal of the connector (1).
7. The cable on-off detection device according to claim 1, further comprising:
the upper computer (10) is electrically connected with the CPLD (5);
the first on-off switch (11) is electrically connected with the upper computer (10) and is communicated between the main board power supply (4) and the cable (3) to be tested;
and the second on-off switch (12) is electrically connected with the upper computer (10) and is communicated with the on-off signal indicating circuit (6).
8. A cable on-off detection method in a server system, characterized by being used in the line on-off detection device of any one of claims 1 to 7; the line on-off detection method comprises the following steps:
grounding the connector;
connecting one end of each of the two cables to be tested to a main board power supply, and connecting the other end of each of the two cables to be tested to a diagonal terminal of the connector;
connecting the cable to be tested to the input end of the CPLD, and connecting the output end of the CPLD with an on-off signal indicating circuit;
and detecting the on-off signal of the on-off signal indicating line, and determining the on-off condition of the cable to be tested according to the on-off signal.
9. The cable on-off detection method according to claim 8, wherein the step of detecting the on-off signal of the on-off signal indicating line and determining the on-off condition of the cable to be tested according to the on-off signal comprises:
judging whether a light emitting diode of the on-off signal indicating circuit is lighted;
if the light-emitting diode is judged to be lightened, the cable to be tested is judged to be normally communicated;
and if the light-emitting diode is judged not to be bright, judging that the communication of the cable to be tested is abnormal.
10. The cable on-off detection method according to claim 8, further comprising:
using an upper machine to cut off a first on-off switch between the main board power supply and the cable to be tested;
a first on-off switch which is communicated between the main board power supply and the other cable to be tested is used;
controlling a second on-off switch to be connected with the on-off signal indicating circuit by using the upper computer;
and determining the on-off condition of the other cable to be tested according to the on-off signal of the on-off signal indicating line.
CN202111370545.8A 2021-11-18 2021-11-18 Device and method for detecting on-off of cable in server system Active CN114200346B (en)

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CN2653592Y (en) * 2003-09-19 2004-11-03 华为技术有限公司 Adaptor
CN204241597U (en) * 2014-12-10 2015-04-01 北方联创通信有限公司 Portable cable fast detector
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