CN107402861A - A kind of method of signal retransmission unit and its forward signal - Google Patents

A kind of method of signal retransmission unit and its forward signal Download PDF

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Publication number
CN107402861A
CN107402861A CN201710640436.0A CN201710640436A CN107402861A CN 107402861 A CN107402861 A CN 107402861A CN 201710640436 A CN201710640436 A CN 201710640436A CN 107402861 A CN107402861 A CN 107402861A
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China
Prior art keywords
pcie
interface
circuit board
measured
board substrate
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吴忠良
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Zhengzhou Yunhai Information Technology Co Ltd
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Zhengzhou Yunhai Information Technology Co Ltd
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Priority to CN201710640436.0A priority Critical patent/CN107402861A/en
Publication of CN107402861A publication Critical patent/CN107402861A/en
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    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F11/00—Error detection; Error correction; Monitoring
    • G06F11/22—Detection or location of defective computer hardware by testing during standby operation or during idle time, e.g. start-up testing
    • G06F11/26—Functional testing
    • G06F11/273—Tester hardware, i.e. output processing circuits
    • G06F11/2733—Test interface between tester and unit under test
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F13/00—Interconnection of, or transfer of information or other signals between, memories, input/output devices or central processing units
    • G06F13/38—Information transfer, e.g. on bus
    • G06F13/40—Bus structure
    • G06F13/4004—Coupling between buses
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F2213/00—Indexing scheme relating to interconnection of, or transfer of information or other signals between, memories, input/output devices or central processing units
    • G06F2213/0026—PCI express

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Computer Hardware Design (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Quality & Reliability (AREA)
  • Tests Of Electronic Circuits (AREA)

Abstract

The invention provides a kind of method of signal retransmission unit and its forward signal, device includes：Circuit board substrate, PCIe M.2 interface male and PCIe x4 interface female grooves；The PCIe test signals that PCIe x4 measurement jigs are sent are forwarded to PCIe M.2 interface males by PCIe x4 interfaces female grooves by circuit board substrate, and PCIe feedback signals are forwarded into PCIe x4 measurement jigs；M.2 PCIe test signals are forwarded to the PCIe to be measured of mainboard to be measured M.2 interface to PCIe by interface male, and the PCIe PCIe feedback signals that M.2 interface is sent are forwarded into PCIe x4 interface female grooves by circuit board substrate.Technical scheme, it more can accurately determine M.2 whether interface completely can effectively receive and dispatch PCIe signals by the PCIe to be measured of mainboard.

Description

A kind of method of signal retransmission unit and its forward signal
Technical field
The present invention relates to communication technical field, the method for more particularly to a kind of signal retransmission unit and its forward signal.
Background technology
PCIe (peripheral component interconnect are usually provided with the mainboard of server Express, external components interconnection standard) interface female groove, in order to ensure what mainboard be able to can be stablized between external equipment enters Row communication, it usually needs test the PCIe interface of mainboard, to determine whether PCIe interface completely can effectively receive and dispatch PCIe signals.
At present, PCIe interface generally includes PCIe M.2 interface and PCIe x4 interface two types, is directed to treating for mainboard PCIe is surveyed when M.2 interface is tested, it is necessary to using PCI Expresss M.2 Host Test Adapter measurement jigs to M.2 interface sends test signal to the PCIe to be measured of mainboard, so that M.2 interface is sent accordingly PCIe to be measured according to test signal Feedback signal, PCI Expresss M.2 Host Test Adapter measurement jigs then can according to PCIe to be measured M.2 interface send out The feedback signal gone out, determine M.2 whether interface completely can effectively receive and dispatch PCIe signals by the PCIe to be measured of mainboard, it is determined that When going out the PCIe to be measured of mainboard M.2 interface completely can effectively receive and dispatch PCIe signals, then illustrate that the mainboard can be treated by this What M.2 survey PCIe stablized between interface and external equipment communicate.
The volume of PCI Expresss M.2 Host Test Adapter measurement jigs is relatively large, utilizes PCI Expresss M.2 to be measured PCIe of the Host Test Adapter measurement jigs to mainboard is when M.2 test by interface, easily Interfered with the other electron component of mainboard where PCIe to be measured M.2 interface, influence the accuracy of test result, it is impossible to be accurate M.2 whether interface completely can effectively receive and dispatch PCIe signals to the PCIe to be measured of determination mainboard.
The content of the invention
The embodiments of the invention provide a kind of method of signal retransmission unit and its forward signal, more can accurately determine M.2 whether interface completely can effectively receive and dispatch PCIe signals to the PCIe to be measured of mainboard.
In a first aspect, the invention provides a kind of signal retransmission unit, including：
Circuit board substrate, external components interconnection standard PCIe M.2 interface male, PCIe x4 interface female grooves；Wherein,
M.2 interface male and the PCIe x4 interface female grooves are separately positioned on the circuit board substrate PCIe, M.2 interface male and the PCIe x4 interfaces female groove are electrically connected with the PCIe by the circuit board substrate；
The PCIe x4 interface female grooves, for being connected with the PCIe x4 measurement jigs of outside, receive the PCIe x4 and survey The PCIe test signals that tool is sent are tried, are forwarded to the PCIe test signals of reception by the circuit board substrate described PCIe M.2 interface males；When receiving PCIe feedback signals, the PCIe feedback signals are forwarded to the PCIe x4 and surveyed Try tool；
The PCIe M.2 interface males, for the PCIe to be measured with mainboard to be measured, M.2 interface is connected, receiving When stating PCIe test signals, the PCIe test signals are forwarded to the PCIe to be measured M.2 interfaces；Receive described to be measured The PCIe PCIe feedback signals that M.2 interface is sent according to the PCIe test signals, by the circuit board substrate by described in PCIe feedback signals are forwarded to the PCIe x4 interface female grooves.
Preferably,
The signal retransmission unit, in addition to：Power module；Wherein,
The power module is arranged on the circuit board substrate, the power module and the PCIe x4 interface female grooves It is electrically connected with by the circuit board substrate；
The power module, for connecting exterior power supply plant, according to the input voltage of exterior power supply plant offer, pass through Operating voltage of the circuit board substrate to PCIe x4 interfaces female groove output corresponding to the PCIe x4 measurement jigs；
The PCIe x4 interface female grooves, it is further used for being supplied to the PCIe x4 to survey the operating voltage of reception Try tool.
Preferably,
The power module, the input voltage for exterior power supply plant to be provided are converted into being sized the work for 12V Make voltage, by being sized the work electricity for 12V described in the circuit board substrate to PCIe x4 interfaces female groove output Pressure.
Preferably,
M.2 interface male is arranged on the edge of the circuit board substrate to the PCIe, and M.2 interface male can by the PCIe M.2, the PCIe to be measured for inserting the mainboard to be measured along the direction parallel to the circuit board substrate under external force connects Mouthful；
The notch direction of the PCIe x4 interface female grooves is perpendicular to the circuit board substrate.
Second aspect, turned the embodiments of the invention provide a kind of using any described signal retransmission unit in first aspect The method of signalling, including：
The external components interconnection standard PCIe x4 interfaces female grooves and outside PCIe using the signal retransmission unit X4 measurement jigs are connected, and using the signal retransmission unit the PCIe M.2 interface male and mainboard to be measured it is to be measured M.2 interface is connected PCIe；
The PCIe test signals of the PCIe x4 measurement jigs transmission are received using the PCIe x4 interfaces female groove, and are led to Cross the circuit board substrate and the PCIe test signals of reception are forwarded to the PCIe M.2 interface males；
Using the PCIe, M.2 the PCIe test signals of reception are forwarded to the PCIe to be measured by interface male M.2 interface, so that M.2 interface sends PCIe feedback signals to the PCIe to be measured according to the PCIe test signals；
Using the PCIe, M.2 interface male receives the PCIe to be measured PCIe feedback letters that M.2 interface is sent Number, and the PCIe feedback signals of reception are forwarded to by the PCIe x4 interface female grooves by the circuit board substrate；
The PCIe feedback signals of reception are forwarded into the PCIe x4 using the PCIe x4 interfaces female groove to test Tool.
Preferably,
When the signal retransmission unit includes power module, institute is received using the PCIe x4 interfaces female groove described Before the PCIe test signals for stating the transmission of PCIe x4 measurement jigs, further comprise：
The input voltage that exterior power supply plant provides is received using the power module, by the circuit board substrate to institute State operating voltage of the PCIe x4 interfaces female groove output corresponding to the PCIe x4 measurement jigs；
The operating voltage of reception is supplied to the PCIe x4 measurement jigs using the PCIe x4 interfaces female groove.
Preferably,
The input voltage that exterior power supply plant offer is received using the power module, passes through the circuit board substrate Operating voltage to PCIe x4 interfaces female groove output corresponding to the PCIe x4 measurement jigs, including：
The input voltage of exterior power supply plant offer is provided using the power module, the input voltage of reception is turned The operating voltage being sized as 12V is changed into, by being set described in the circuit board substrate to PCIe x4 interfaces female groove output Determine the operating voltage that size is 12V.
The embodiments of the invention provide a kind of method of signal retransmission unit and its forward signal, the device is by circuit board base M.2 interface male and PCIe x4 interfaces female groove are formed by plate and the PCIe that is arranged on circuit board substrate, when needing to be measured The PCIe to be measured of mainboard is when M.2 interface is tested, can M.2 interface male connects the PCIe to be measured of mainboard to be measured by PCIe M.2 interface, the PCIe x4 measurement jigs outside the connection of PCIe x4 interfaces female groove are passed through；Due to PCIe M.2 interface male and PCIe x4 interfaces female grooves can receive and dispatch PCIe signals, therefore, what the signal retransmission unit can send PCIe x4 measurement jigs PCIe test signals are forwarded to the PCIe to be measured M.2 interfaces, and M.2 interface is tested according to PCIe by PCIe to be measured of mainboard to be measured The PCIe feedback signals that signal is sent are forwarded to PCIe x4 measurement jigs, so as to realize by PCIe x4 measurement jigs to be measured The PCIe to be measured of mainboard M.2 tested by interface.Due to signal retransmission unit, only by circuit board substrate, PCIe, M.2 interface is public Head and PCIe x4 interfaces female groove are formed, and volume is relatively small, and PCIe x4 measurement jigs are treated by signal retransmission unit connection Survey mainboard PCIe to be measured M.2 interface when, be not easy with mainboard to be measured other electron component produce interference, can be more accurate The PCIe to be measured of determination mainboard M.2 whether interface completely can effectively receive and dispatch PCIe signals.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing There is the required accompanying drawing used in technology description to be briefly described, it should be apparent that, drawings in the following description are the present invention Some embodiments, for those of ordinary skill in the art, on the premise of not paying creative work, can also basis These accompanying drawings obtain other accompanying drawings.
Fig. 1 is a kind of structural representation for signal retransmission unit that one embodiment of the invention provides；
Fig. 2 is the structural representation for another signal retransmission unit that one embodiment of the invention provides；
Fig. 3 is the structural representation for another signal retransmission unit that one embodiment of the invention provides；
Fig. 4 is a kind of flow chart for method using signal retransmission unit forward signal that one embodiment of the invention provides.
Embodiment
To make the purpose, technical scheme and advantage of the embodiment of the present invention clearer, below in conjunction with the embodiment of the present invention In accompanying drawing, the technical scheme in the embodiment of the present invention is clearly and completely described, it is clear that described embodiment is Part of the embodiment of the present invention, rather than whole embodiments, based on the embodiment in the present invention, those of ordinary skill in the art The every other embodiment obtained on the premise of creative work is not made, belongs to the scope of protection of the invention.
As shown in figure 1, the embodiments of the invention provide a kind of signal retransmission unit, including：
Circuit board substrate 101, PCIe M.2 interface male 102, PCIe x4 interfaces female groove 103；Wherein,
M.2 interface male 102 and the PCIe x4 interfaces female groove 103 are separately positioned on the circuit board base to the PCIe On plate 101, M.2 interface male 102 and the PCIe x4 interfaces female groove 103 pass through the circuit board substrate 101 to the PCIe It is electrically connected with；
The PCIe x4 interfaces female groove 103, for being connected with the PCIe x4 measurement jigs of outside, receive the PCIe The PCIe test signals that x4 measurement jigs are sent, the PCIe test signals of reception are turned by the circuit board substrate 101 It is sent to the PCIe M.2 interface males 102；When receiving PCIe feedback signals, the PCIe feedback signals are forwarded to institute State PCIe x4 measurement jigs；
The PCIe M.2 interface males 102, for the PCIe to be measured with mainboard to be measured, M.2 interface is connected, and is receiving During the PCIe test signals, the PCIe test signals are forwarded to the PCIe to be measured M.2 interfaces；Receive described to be measured The PCIe PCIe feedback signals that M.2 interface is sent according to the PCIe test signals, by the circuit board substrate 101 by institute State PCIe feedback signals and be forwarded to the PCIe x4 interfaces female groove 103.
In the above embodiment of the present invention, the device by circuit board substrate and the PCIe being arranged on circuit board substrate M.2 Interface male and PCIe x4 interfaces female groove are formed, can when needing the PCIe to be measured to mainboard to be measured M.2 interface being tested By PCIe, M.2 interface male connects the PCIe to be measured of mainboard to be measured M.2 interface, is connected by PCIe x4 interfaces female groove outer The PCIe x4 measurement jigs in portion；Due to PCIe, M.2 interface male and PCIe x4 interfaces female grooves can receive and dispatch PCIe signals, because This, the PCIe test signals that the signal retransmission unit can send PCIe x4 measurement jigs are forwarded to the to be measured of mainboard to be measured PCIe M.2 interfaces, and the PCIe to be measured PCIe feedback signals that M.2 interface is sent according to PCIe test signals are forwarded to PCIe X4 measurement jigs, so as to realize that M.2 interface is tested by be measured PCIe of the PCIe x4 measurement jigs to mainboard to be measured.By In signal retransmission unit, only by circuit board substrate, PCIe, M.2 interface male and PCIe x4 interface female grooves are formed, and volume is relatively It is small, PCIe x4 measurement jigs by the signal retransmission unit connect the PCIe to be measured of mainboard to be measured M.2 interface when, be not easy and treat The other electron component surveyed on mainboard produces interference, and more can accurately determining the PCIe to be measured of mainboard, M.2 whether interface can Complete effective transmitting-receiving PCIe signals.
As shown in Fig. 2 in a preferred embodiment of the invention, the signal retransmission unit, in addition to：Power module 201； Wherein,
The power module 201 is arranged on the circuit board substrate 101, the power module 201 and the PCIe x4 Interface female groove 103 is electrically connected with by the circuit board substrate 101；
The power module 201, for connecting exterior power supply plant, according to exterior power supply plant provide input voltage, By the circuit board substrate 101 to the PCIe x4 interfaces female groove 103 output corresponding to the PCIe x4 measurement jigs Operating voltage；
The PCIe x4 interfaces female groove 103, it is further used for the operating voltage of reception being supplied to the PCIe X4 measurement jigs.
In the above embodiment of the present invention, due to mainboard to be measured PCIe to be measured M.2 interface be only capable of provide one it is relatively low Output voltage (be usually 3.3V), the output voltage can not be supported and PCIe x4 measurement jigs are operated；By believing One power module is set on the circuit board substrate of number retransmission unit, and the power module can connect exterior power supply plant, according to outer The input voltage that portion's electric power system provides is exported by circuit board substrate and PCIe x4 interfaces female grooves to PCIe x4 measurement jigs Of a relatively high operating voltage, it can be ensured that PCIe x4 measurement jigs can be according to the operating voltage to the to be measured of mainboard to be measured PCIe M.2 tested by interface.
It should be appreciated that power module need not can also be set in signal retransmission unit provided in an embodiment of the present invention, Controlled from exterior power supply plant to PCIe x4 tests and corresponding operating voltage is directly provided.
In a preferred embodiment of the invention, the power module 201, for the input electricity for providing exterior power supply plant Pressure is converted into being sized the operating voltage for 12V, by the circuit board substrate 101 to the PCIe x4 interfaces female groove 103 The operating voltage for 12V is sized described in output.
In the above embodiment of the present invention, the operating voltage corresponding to PCIe x4 measurement jigs is usually 12V, and outside confession The input voltage that electric system provides may be much larger than 12V, and therefore, power module can possess certain buck functionality, and outside is supplied It is in be sized operating voltage into 12V that the input voltage decompression that electric system provides, which change, avoid PCIe x4 interfaces female grooves to The operating voltage that PCIe x4 measurement jigs provide is excessive and damages PCIe x4 measurement jigs.
Further, because the notch direction of the PCIe to be measured M.2 interfaces of mainboard to be measured is typically parallel to mainboard to be measured, Because by the PCIe of signal retransmission unit, M.2 interface male is connected to the PCIe of mainboard to be measured M.2 interface for convenience, together When facilitate the PCIe x4 interface slots of PCIe x4 measurement jigs and signal retransmission unit to be attached, as shown in figure 3, of the invention In one embodiment, M.2 interface male 102 is arranged on the edge of the circuit board substrate 101, the PCIe to the PCIe M.2 interface male 102 can insert the mainboard to be measured along the direction parallel to the circuit board substrate 101 under external force The PCIe to be measured M.2 interfaces；The notch direction of the PCIe x4 interfaces female groove 103 is perpendicular to the circuit board substrate 101.
As shown in figure 4, utilize the signal provided in any one embodiment of the invention the embodiments of the invention provide a kind of The method of retransmission unit forward signal, including：
Step 401, using the signal retransmission unit the external components interconnection standard PCIe x4 interfaces female grooves with it is outer The PCIe x4 measurement jigs in portion are connected, and using the signal retransmission unit the PCIe M.2 interface male with it is to be measured M.2 interface is connected the PCIe to be measured of mainboard；
Step 402, the PCIe for the PCIe x4 measurement jigs transmission being received using the PCIe x4 interfaces female groove is tested Signal, and the PCIe test signals of reception are forwarded to by the PCIe M.2 interface males by the circuit board substrate；
Step 403, using the PCIe, M.2 the PCIe test signals of reception are forwarded to described treat by interface male PCIe M.2 interfaces are surveyed, so that M.2 interface sends PCIe feedback signals to the PCIe to be measured according to the PCIe test signals；
Step 404, using the PCIe described in M.2 interface male receives the PCIe to be measured M.2 interface is sent PCIe feedback signals, and the PCIe feedback signals of reception are forwarded to by the PCIe x4 by the circuit board substrate and connect Mouth female groove；
Step 405, the PCIe feedback signals of reception are forwarded to the PCIe using the PCIe x4 interfaces female groove X4 measurement jigs.
In the above embodiment of the present invention, by the PCIe of signal retransmission unit, M.2 interface male connects treating for mainboard to be measured PCIe is surveyed M.2 after interface, the PCIe x4 measurement jigs outside the connection of PCIe x4 interfaces female groove, due to PCIe M.2 interfaces Male and PCIe x4 interfaces female grooves can receive and dispatch PCIe signals, and the signal retransmission unit can then send PCIe x4 measurement jigs PCIe test signals be forwarded to the PCIe to be measured M.2 interfaces, and M.2 interface is surveyed according to PCIe by PCIe to be measured of mainboard to be measured The PCIe feedback signals that trial signal is sent are forwarded to PCIe x4 measurement jigs, so as to realize by being connected with signal retransmission unit To be measured PCIe of the PCIe x4 measurement jigs to mainboard to be measured M.2 interface is tested.Because signal retransmission unit is only by electricity M.2 interface male and PCIe x4 interfaces female groove are formed by road plate substrate, PCIe, and volume is relatively small, and PCIe x4 measurement jigs lead to Cross the signal retransmission unit connect the PCIe to be measured of mainboard to be measured M.2 interface when, be not easy and other electronics member on mainboard to be measured Part produces interference, more can accurately determine M.2 whether interface completely can effectively receive and dispatch PCIe letters by the PCIe to be measured of mainboard Number.
In a preferred embodiment of the invention, when the signal retransmission unit includes power module, institute is utilized described Before stating the PCIe test signals that PCIe x4 interfaces female groove receives the PCIe x4 measurement jigs transmission, further comprise：Profit The input voltage that exterior power supply plant provides is received with the power module, by the circuit board substrate to the PCIe x4 Operating voltage of the interface female groove output corresponding to the PCIe x4 measurement jigs；It will be received using the PCIe x4 interfaces female groove The operating voltage be supplied to the PCIe x4 measurement jigs.
In a preferred embodiment of the invention, the input that exterior power supply plant offer is provided using the power module Voltage, the work by the circuit board substrate to PCIe x4 interfaces female groove output corresponding to the PCIe x4 measurement jigs Make voltage, including：The input voltage of exterior power supply plant offer is received using the power module, by the input electricity of reception Pressure is converted into being sized the operating voltage for 12V, and institute is exported to the PCIe x4 interfaces female groove by the circuit board substrate State the operating voltage being sized as 12V.
In summary, each embodiment of the present invention at least has the advantages that：
1st, in one embodiment of the invention, the device by circuit board substrate and the PCIe being arranged on circuit board substrate M.2 Interface male and PCIe x4 interfaces female groove are formed, can when needing the PCIe to be measured to mainboard to be measured M.2 interface being tested By PCIe, M.2 interface male connects the PCIe to be measured of mainboard to be measured M.2 interface, is connected by PCIe x4 interfaces female groove outer The PCIe x4 measurement jigs in portion；Due to PCIe, M.2 interface male and PCIe x4 interfaces female grooves can receive and dispatch PCIe signals, because This, the PCIe test signals that the signal retransmission unit can send PCIe x4 measurement jigs are forwarded to the to be measured of mainboard to be measured PCIe M.2 interfaces, and the PCIe to be measured PCIe feedback signals that M.2 interface is sent according to PCIe test signals are forwarded to PCIe X4 measurement jigs, so as to realize that M.2 interface is tested by be measured PCIe of the PCIe x4 measurement jigs to mainboard to be measured.By In signal retransmission unit, only by circuit board substrate, PCIe, M.2 interface male and PCIe x4 interface female grooves are formed, and volume is relatively It is small, PCIe x4 measurement jigs by the signal retransmission unit connect the PCIe to be measured of mainboard to be measured M.2 interface when, be not easy and treat The other electron component surveyed on mainboard produces interference, and more can accurately determining the PCIe to be measured of mainboard, M.2 whether interface can Complete effective transmitting-receiving PCIe signals.
2nd, in one embodiment of the invention, due to mainboard to be measured PCIe to be measured M.2 interface be only capable of provide one it is relatively low Output voltage (be usually 3.3V), the output voltage can not be supported and PCIe x4 measurement jigs are operated；By believing One power module is set on the circuit board substrate of number retransmission unit, and the power module can connect exterior power supply plant, according to outer The input voltage that portion's electric power system provides is exported by circuit board substrate and PCIe x4 interfaces female grooves to PCIe x4 measurement jigs Of a relatively high operating voltage, it can be ensured that PCIe x4 measurement jigs can be according to the operating voltage to the to be measured of mainboard to be measured PCIe M.2 tested by interface.
3rd, in one embodiment of the invention, the input voltage decompression conversion that power module provides exterior power supply plant is in setting After size is 12V operating voltage, the work electricity for 12V will be sized by circuit board substrate and PCIe x4 interfaces female grooves Pressure output is to PCIe x4 measurement jigs, the operating voltage mistake for avoiding PCIe x4 interfaces female grooves from being provided to PCIe x4 measurement jigs Damage PCIe x4 measurement jigs greatly.
4th, in one embodiment of the invention, because the notch direction of the PCIe to be measured M.2 interfaces of mainboard to be measured is typically parallel to Mainboard to be measured, by the way that by PCIe, M.2 interface male is arranged on the edge of circuit board substrate, M.2 interface male can be outside by PCIe Power acts on the PCIe to be measured M.2 interfaces, and PCIe x4 interfaces that lower edge inserts mainboard to be measured parallel to the direction of circuit board substrate The notch direction of female groove perpendicular to circuit board substrate, be easy to by the PCIe of signal retransmission unit M.2 interface male be connected to it is to be measured The PCIe of mainboard M.2 interfaces, while facilitate the PCIe x4 interface slots of PCIe x4 measurement jigs and signal retransmission unit to carry out Connection.
It should be noted that herein, such as first and second etc relational terms are used merely to an entity Or operation makes a distinction with another entity or operation, and not necessarily require or imply and exist between these entities or operation Any this actual relation or order.Moreover, term " comprising ", "comprising" or its any other variant be intended to it is non- It is exclusive to include, so that process, method, article or equipment including a series of elements not only include those key elements, But also the other element including being not expressly set out, or also include solid by this process, method, article or equipment Some key elements.In the absence of more restrictions, the key element limited by sentence " including one ", is not arranged Except other identical factor in the process including the key element, method, article or equipment being also present.
It is last it should be noted that：Presently preferred embodiments of the present invention is the foregoing is only, is merely to illustrate the skill of the present invention Art scheme, is not intended to limit the scope of the present invention.Any modification for being made within the spirit and principles of the invention, Equivalent substitution, improvement etc., are all contained in protection scope of the present invention.

Claims (7)

  1. A kind of 1. signal retransmission unit, it is characterised in that including：
    Circuit board substrate, external components interconnection standard PCIe M.2 interface male, PCIe x4 interface female grooves；Wherein,
    M.2 interface male and the PCIe x4 interface female grooves are separately positioned on the circuit board substrate PCIe, described M.2 interface male and the PCIe x4 interfaces female groove are electrically connected with PCIe by the circuit board substrate；
    The PCIe x4 interface female grooves, for being connected with the PCIe x4 measurement jigs of outside, receive the PCIe x4 tests and control Have the PCIe test signals sent, the PCIe test signals of reception are forwarded to by the PCIe by the circuit board substrate M.2 interface male；When receiving PCIe feedback signals, the PCIe feedback signals are forwarded to the PCIe x4 tests and controlled Tool；
    The PCIe M.2 interface males, for the PCIe to be measured with mainboard to be measured, M.2 interface is connected, described receiving During PCIe test signals, the PCIe test signals are forwarded to the PCIe to be measured M.2 interfaces；Receive the PCIe to be measured M.2 the PCIe feedback signals that interface is sent according to the PCIe test signals, it is by the circuit board substrate that the PCIe is anti- Feedback signal is forwarded to the PCIe x4 interface female grooves.
  2. 2. signal retransmission unit according to claim 1, it is characterised in that
    Also include：Power module；Wherein,
    The power module is arranged on the circuit board substrate, and the power module and the PCIe x4 interface female grooves pass through The circuit board substrate is electrically connected with；
    The power module, for connecting exterior power supply plant, according to the input voltage of exterior power supply plant offer, by described Operating voltage of the circuit board substrate to PCIe x4 interfaces female groove output corresponding to the PCIe x4 measurement jigs；
    The PCIe x4 interface female grooves, it is further used for being supplied to the PCIe x4 tests to control the operating voltage of reception Tool.
  3. 3. signal retransmission unit according to claim 2, it is characterised in that
    The power module, the input voltage for exterior power supply plant to be provided are converted into being sized the work electricity for 12V Pressure, by being sized the operating voltage for 12V described in the circuit board substrate to PCIe x4 interfaces female groove output.
  4. 4. signal retransmission unit according to claim 1, it is characterised in that
    M.2 interface male is arranged on the edge of the circuit board substrate to the PCIe, and M.2 interface male can be outside by the PCIe Power acts on lower edge and inserts the PCIe to be measured of the mainboard to be measured M.2 interface parallel to the direction of the circuit board substrate；
    The notch direction of the PCIe x4 interface female grooves is perpendicular to the circuit board substrate.
  5. A kind of 5. method using any described signal retransmission unit forward signal in Claims 1-4 4, it is characterised in that Including：The external components interconnection standard PCIe x4 interfaces female grooves and outside PCIe x4 using the signal retransmission unit Measurement jig is connected, and using the signal retransmission unit the PCIe M.2 interface male and mainboard to be measured it is to be measured M.2 interface is connected PCIe；Also include：
    The PCIe test signals of the PCIe x4 measurement jigs transmission are received using the PCIe x4 interfaces female groove, and pass through institute State circuit board substrate and the PCIe test signals of reception are forwarded to the PCIe M.2 interface males；
    Using the PCIe, M.2 the PCIe test signals of reception are forwarded to the PCIe to be measured and M.2 connect by interface male Mouthful, so that M.2 interface sends PCIe feedback signals to the PCIe to be measured according to the PCIe test signals；
    Using the PCIe, M.2 interface male receives the PCIe to be measured PCIe feedback signals that M.2 interface is sent, and The PCIe feedback signals of reception are forwarded to by the PCIe x4 interface female grooves by the circuit board substrate；
    The PCIe feedback signals of reception are forwarded to the PCIe x4 measurement jigs using the PCIe x4 interfaces female groove.
  6. 6. according to the method for claim 5, it is characterised in that
    When the signal retransmission unit includes power module, described using described in PCIe x4 interfaces female groove reception Before the PCIe test signals that PCIe x4 measurement jigs are sent, further comprise：
    The input voltage that exterior power supply plant provides is received using the power module, by the circuit board substrate to described Operating voltage of the PCIe x4 interfaces female groove output corresponding to the PCIe x4 measurement jigs；
    The operating voltage of reception is supplied to the PCIe x4 measurement jigs using the PCIe x4 interfaces female groove.
  7. 7. according to the method for claim 6, it is characterised in that
    It is described that the input voltage that exterior power supply plant provides is received using the power module, by the circuit board substrate to institute Operating voltage of the PCIe x4 interfaces female groove output corresponding to the PCIe x4 measurement jigs is stated, including：
    The input voltage of exterior power supply plant offer is provided using the power module, the input voltage of reception is converted into The operating voltage for 12V is sized, the setting is exported greatly to the PCIe x4 interfaces female groove by the circuit board substrate The small operating voltage for 12V.
CN201710640436.0A 2017-07-31 2017-07-31 A kind of method of signal retransmission unit and its forward signal Pending CN107402861A (en)

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CN116150073A (en) * 2023-04-21 2023-05-23 杭州鸿钧微电子科技有限公司 PCIe channel splitting automatic identification circuit and method

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CN101364211A (en) * 2008-09-23 2009-02-11 浪潮电子信息产业股份有限公司 Switching test device for mini-PCIE and PCIE
US20090113257A1 (en) * 2007-10-30 2009-04-30 Inventec Corporation Device and method for testing sas channels
CN201489086U (en) * 2009-07-17 2010-05-26 中国人民解放军63908部队 Universal testing system for digital circuit board

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US20090113257A1 (en) * 2007-10-30 2009-04-30 Inventec Corporation Device and method for testing sas channels
CN101364211A (en) * 2008-09-23 2009-02-11 浪潮电子信息产业股份有限公司 Switching test device for mini-PCIE and PCIE
CN201489086U (en) * 2009-07-17 2010-05-26 中国人民解放军63908部队 Universal testing system for digital circuit board

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN116150073A (en) * 2023-04-21 2023-05-23 杭州鸿钧微电子科技有限公司 PCIe channel splitting automatic identification circuit and method
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