CN101344999A - Network wiring fault simulation experiment method - Google Patents
Network wiring fault simulation experiment method Download PDFInfo
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- CN101344999A CN101344999A CNA200810018351XA CN200810018351A CN101344999A CN 101344999 A CN101344999 A CN 101344999A CN A200810018351X A CNA200810018351X A CN A200810018351XA CN 200810018351 A CN200810018351 A CN 200810018351A CN 101344999 A CN101344999 A CN 101344999A
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Abstract
The invention provides a network wiring failure simulation test method which is characterized in that: a case panel (7) is fixed with an indicator lamp (2), an RJ45 network socket (3), a network jumper (9), a wiring base (10), a wiring connecting block (4) and a simulation failure network wire (12); the wiring connecting block (4) is respectively fixed on the wiring base (10); one end of the network jumper (9) is connected with the RJ45 network socket (3) and the other end thereof is connected with one wiring connecting block (4); when all leads at one end of the simulation failure network wire (6) are connected with all the joints of the wiring connecting block (4) according to sequence number, all the joints of the other end of the simulation failure network wire (6) and all the joints of the wiring connecting block (4) at the other end are correspondingly connected with each other according to the sequence number or crossly connected with each other according to the sequence number, or connected with each other in a short circuit way or in an open circuit way; all the joints at the other end of the simulation failure network wire (6) and all the joints of the wiring connecting block (4) at the other end have different joint connection types; a control circuit supplies power alternatively to the pins of the upper network sockets (3). The test instrument of the invention can simulate various normal network wiring failures intuitively.
Description
Technical field
The invention belongs to a kind of network comprehensive lining system wiring fault simulation experimental teaching equipment, particularly the network wiring fault simulation experiment method that uses of school instruction experiment.
Technical background
The computer network science is an applied science, and particularly along with the fast development of intelligent construction and digitalized city, network has spread to huge numbers of families." 21 century is the world of network comprehensive lining ", market in urgent need broad array of network generic cabling engineering technician.
The GB50311-2007 " integration laying line system engineering design specifications " of promulgation on April 6th, 2007 and two national standards of GB50312-2007 " integration laying line system engineering acceptance specification " have provided detailed regulation and requirement for the aspects such as distribution construction of generic cabling engineering.Because during the network wiring mistake, after the fault such as cross-over connection, reversal connection, short circuit for example occur, open circuit, can't transmit information such as data and voice.80% fault appears at distribution and termination link in the network comprehensive lining engineering construction.
The network comprehensive lining system engineering technology has become a specialized courses of colleges and universities, professional colleges, and particularly cable distribution construction quality directly influences the transmission of network system.School and student wish to carry out the education experiment activity of this respect.But market lacks this series products, can't satisfy the basic technique principle demonstration in the education experiment activity.
Summary of the invention
The objective of the invention is to be a kind of network wiring fault simulation experiment method of school instruction experimental design, this method can intuitively, conveniently, clearly be simulated common network wiring fault by its experimental facilities, and by the pilot lamp flicker of correspondence these distribution location of faults and the line preface information of showing directly perceived, can simulated experiment cross-over connection, reversal connection, short circuit, most common failure such as open circuit, simultaneously can test network wire jumper fault and line preface.
The object of the present invention is achieved like this, design a kind of network wiring fault simulation experiment method, the device that this method adopted comprises power supply, control circuit board, the RJ45 network socket, pilot lamp, the distribution base, the distribution contiguous block, network jumper wire, the simulated failure grid line, cabinet and cabinet panel, it is characterized in that: be fixed with 2 groups of pilot lamp on the cabinet panel, 2 RJ45 network sockets, 2 network jumper wires, 2 distribution bases, 2 distribution contiguous blocks and simulated failure grid line, 2 distribution contiguous blocks are separately fixed on 2 distribution bases, 2 network jumper wire one ends connect 1 RJ45 network socket, the other end is connected with 1 distribution contiguous block, when each lead-in wire of simulated failure grid line one end is connected by sequence number with each contact of distribution contiguous block, each contact of the simulated failure grid line other end can be by the corresponding connection of sequence number with each contact of distribution contiguous block of the other end, maybe can be by the sequence number cross connection, or short circuit, disconnecting; Each contact of the simulated failure grid line other end is different with each contact connected mode of distribution contiguous block of the other end, control circuit is to the pin power supply in turn of upper end network socket, the pin signal of the network socket of lower end now shows duty by 2 groups of pilot lamp again to determine the connection status of simulated failure grid line when powering by detecting.
Described 2 groups of pilot lamp are fixed on the cabinet panel upper end, and side-by-side alignment is fixed up and down.
Described 2 groups of pilot lamp are 8 LED light for every group.
Described control circuit is to the pin power supply in turn of upper end network socket, the pin signal of the network socket of lower end to be to determine the connection status of simulated failure grid line when detecting power supply, shows now that by 2 groups of pilot lamp duty can be between 8 contact D1, D2, D3, D4, D5, D6, D7, D8 and another distribution contiguous block 8 contact C1, C2, C3, C4, C5, C6, C7, the C8 when simulated failure grid line and distribution contiguous block during corresponding connection again; Corresponding 2 groups of pilot lamp up and down glimmer simultaneously, and the flicker order is according to from left to right.
Described control circuit is to the pin power supply in turn of upper end network socket, the pin signal of the network socket of lower end shows now that by 2 groups of pilot lamp duty can be to be linked in sequence as 8 contact C1, C2, C3, C4, C5, C6, C7, C8 of a simulated failure grid line and a distribution contiguous block again to determine the connection status of simulated failure grid line when powering by detecting; Between the simulated failure grid line other end and another distribution contiguous block 8 contact D1, D2, D3, D4, D5, D6, D7, the D8 during cross connection, last pilot lamp order is according to the pilot lamp that from left to right glimmers between the point of crossing, only glimmer the in the other direction pilot lamp of point of crossing of following pilot lamp.
Described control circuit is to the pin power supply in turn of upper end network socket, the pin signal of the network socket of lower end shows now that by 2 groups of pilot lamp duty can be to be linked in sequence as 8 contact C1, C2, C3, C4, C5, C6, C7, C8 of a simulated failure grid line and a distribution contiguous block again to determine the connection status of simulated failure grid line when powering by detecting; Between the simulated failure grid line other end and another distribution contiguous block 8 contact D1, D2, D3, D4, D5, D6, D7, the D8 short circuit arranged, open circuit when being connected, under open circuit conditions: go up pilot lamp and following pilot lamp sky and cut-off the pilot lamp of position, road contact correspondence, then from left to right flicker in order; Under short-circuit conditions: go up pilot lamp and from left to right glimmer by the corresponding positions order, following pilot lamp among D1, D2, D3, D4, D5, D6, D7, the D8 not tie point stop flicker, normal tie point is glimmered in proper order, to short dot by the short circuit flicker of counting.
The course of work of the present invention and advantage: during simulated experiment twisted-pair feeder cross-over connection distribution fault, at first twisted-pair feeder one is rectified true crimping, then the other end is simulated the crimping of cross-over connection fault.On experiment instrument, can see, 8 pilot lamp of corresponding correct pressure connection terminal are according to the flicker in turn of correct line preface, 8 pilot lamp of corresponding simulation cross-over connection fault pressure connection terminal are no longer according to the flicker in turn of correct line preface, but glimmer according to the line preface jump of cross-over connection fault, so just intuitively demonstrate the cross-over connection fault.
During simulated experiment twisted-pair feeder reversal connection distribution fault, at first twisted-pair feeder one is rectified true crimping, then the other end is simulated the crimping of reversal connection fault.On experiment instrument, can see, 8 pilot lamp of corresponding correct pressure connection terminal are according to the flicker in turn of correct line preface, 8 pilot lamp of corresponding simulation reversal connection fault pressure connection terminal are no longer according to the flicker in turn of correct line preface, but glimmer according to the line preface jump of reversal connection fault, so just intuitively demonstrate the reversal connection fault.
Description of drawings
The present invention will be further described below in conjunction with the embodiment accompanying drawing.
Fig. 1 is the example structure synoptic diagram;
Fig. 2 is embodiment 2 distribution cross-over connections and reversal connection fault synoptic diagram;
Fig. 3 is that embodiment 3 distributions open circuit and short circuit simulated failure experiment synoptic diagram;
Fig. 4 is embodiment 4 network jumper wire test experiments synoptic diagram;
Fig. 5 is the left side view of Fig. 1.
Among the figure: 1, control circuit board; 2, pilot lamp; 3, RJ45 socket; 4, distribution contiguous block; 5, resistance; 6, simulated failure grid line; 7, cabinet panel; 8, RJ45 connector; 9, network jumper wire; 10, distribution base.
A1-A8: on arrange the serial number of 8 pilot lamp.
B1-B8: the serial number of arranging 8 pilot lamp down.
C1-C8: on arrange 8 line ball mouths of contiguous block serial number.
D1-D8: arrange 8 line ball mouths of contiguous block serial number down.
L1-L8: the serial number of 8 heart yearns in the network twisted-pair feeder.
Embodiment
As shown in Figure 1, it comprises power supply, control circuit board 1, RJ45 network socket 3, pilot lamp 2, distribution base 10, distribution contiguous block 4, network jumper wire 9, simulated failure grid line 6, cabinet and cabinet panel 7, be fixed with 2 groups of pilot lamp 2 on the cabinet panel 7,2 RJ45 network sockets 3,2 network jumper wires 9,2 distribution bases 10,2 distribution contiguous blocks 4 and simulated failure grid line 6,2 distribution contiguous blocks 4 are separately fixed on 2 distribution bases 10,2 network jumper wires 9 are connected with 1 RJ45 network socket 3 by RJ45 connector 8, the other end is connected with 1 distribution contiguous block 4, and simulated failure grid line 6 two ends connect a distribution contiguous block 4 respectively; 3,2 groups of pilot lamp 2 of 2 RJ45 network sockets are electrically connected with control circuit in the cabinet respectively.Can corresponding connection between simulated failure grid line 6 and 8 contact D1, D2, D3, D4, D5, D6, D7, D8 and 8 contact C1, C2, C3, C4, C5, C6, C7, C8; That is to say L1, L2, L3, L4, L5, L6,, L7, L8 one end be connected with C1, C2, C3, C4, C5, C6, C7, C8 each point in order, the other end is corresponding to be connected with D1, D2, D3, D4, D5, D6, D7, D8 each point; Corresponding 2 groups of pilot lamp 2 up and down glimmers simultaneously, and flicker is in proper order according to from left to right.Two ends 8 heart yearns of expression simulated failure grid line 6 are correct at the 8 heart yearn distributions at 2 distribution bases 10 and 2 distribution contiguous block 4 two ends.
Fig. 2 is embodiment 2 distribution cross-over connections and reversal connection fault synoptic diagram.By cross connection between simulated failure grid line 6 and 8 contact D1, D2, D3, D4, D5, D6, D7, D8 and 8 contact C1, C2, C3, C4, C5, C6, C7, the C8 is realized.
Concrete implementation step
The first step: with 30 millimeters of simulated failure grid line 6 two ends difference strip ofves, with L1, L2, L3, L4, L5, L6,, L7, L8 one end be connected with C1, C2, C3, C4, C5, C6, C7, C8 each point in order, just L1-L8 one end is crimped in order C1-C8 contiguous block line ball mouth.
Second step: simulated failure grid line 6 other ends are crimped on D1-D8 contiguous block line ball mouth by L1, L4, L3, L2, L5, L6, L8, L7.So just simulated cross connection (cross-over connection) fault of L2 and L4 core, the reversal connection fault of L7 and L8 core.
The 3rd step: after crimping process and crimping are finished, observe A1-A8, B1-B8 pilot lamp show state.The pilot lamp of L1--L4 core correspondence will intuitively show L2 and L4 core cross-over connection fault according to the rotation flicker of A1-A2-A3-A4 and B1-B4-B3-B2.The pilot lamp of L7--L8 core correspondence will intuitively show L7 and L8 reversal connection fault according to the rotation flicker of A7-A8 and B8-B7.
Fig. 3 is that embodiment 3 distributions open circuit and short circuit simulated failure experiment synoptic diagram.By simulated failure grid line 6 is connected with 8 contact C1, C2, C3, C4, C5, C6, C7, C8, simulated failure grid line 6 other ends only are connected 1-7 realization with D1, D2, D3, D4, D5, D6, D7, D8 contact.Or by simulated failure grid line 6 is connected with 8 contact C1, C2, C3, C4, C5, C6, C7, C8, simulated failure grid line 6 other ends can be that two lines are connected on D1, D2, D3, D4, D5, D6, any one point of D7, D8, and all the other dot sequencies connect.
Concrete implementation step
The first step: with 30 millimeters of simulated failure grid line 6 two ends difference strip ofves, with L1, L2, L3, L4, L5, L6,, L7, L8 one end be connected with C1, C2, C3, C4, C5, C6, C7, C8 each point in order, just L1-L8 one end is crimped in order C1-C8 contiguous block line ball mouth.
Second step: the other end is crimped on D1, D3, D4, D5, D6, D8, D8 contiguous block line ball mouth in proper order according to L1, L3, L4, L5, L6, L7, L8.Wherein L2 is in the not crimping of D2 mouth, and simulation is opened circuit, and L7 and L8 two heart yearns all are crimped on the D8 mouth, and simulation L7 and L8 short circuit have so just been simulated L2 and opened circuit, two kinds of faults of L7 and L8 short circuit.
The 3rd step: after crimping process and crimping are finished, observe A1-A8, B1-B8 pilot lamp show state.The pilot lamp of L1-L3 core correspondence will be according to the rotation flicker of A1-A3 and B1-B3, and A2 and B2 pilot lamp do not work, and intuitively show L2 core open circuit fault.The pilot lamp of L6--L8 core correspondence will be according to the rotation flicker of A6, A7, A8 and B6, B8, B8, and A7 and B8 pilot lamp glimmer simultaneously, intuitively show between L7 and the L8 short trouble to occur at B8 crimping mouth.
In fact can realize multi-purpose experiment by simulated failure grid line 6 and 8 contact D1, D2, D3, D4, D5, D6, D7, D8 and 8 contact C1, C2, C3, C4, C5, C6, the different connection also of C7, C8, Fig. 4 is embodiment 4 network jumper wire test experiments synoptic diagram.
Concrete implementation step
The first step: with 15 millimeters of simulated failure grid line 6 two ends difference strip ofves, the good RJ45 network of crimping crystal head has so just been carried out network jumper wire.
Second step: two RJ45 connectors at network jumper wire two ends are directly inserted 2 RJ45 network sockets 2 up and down respectively.
The 3rd step: observe A1-A8, B1-B8 pilot lamp show state.If the pilot lamp flicker in turn in order from A1-A8 and B1-B8 illustrates that the wire jumper making is correct.If 1 or the not flicker in order of several pilot lamp when flicker occurring jumping, have shown corresponding core cross-over connection or reversal connection.If 1 or the not flicker of several pilot lamp show that corresponding core has opened circuit.
Claims (6)
1, network wiring fault simulation experiment method, it comprises power supply, control circuit board (1), RJ45 network socket (3), pilot lamp (2), distribution base (10), distribution contiguous block (4), network jumper wire (9), simulated failure grid line (6), cabinet and cabinet panel (7), it is characterized in that: be fixed with 2 groups of pilot lamp (2) on the cabinet panel (7), 2 RJ45 network sockets (3), 2 network jumper wires (9), 2 distribution bases (10), 2 distribution contiguous blocks (4) and simulated failure grid line (6), 2 distribution contiguous blocks (4) are separately fixed on 2 distribution bases (10), 2 network jumper wire (9) one ends connect 1 RJ45 network socket (3), the other end is connected with 1 distribution contiguous block (4), when each lead-in wire of simulated failure grid line (6) one ends is connected by sequence number with each contact of distribution contiguous block (4), each contact of simulated failure grid line (6) other end can be by the corresponding connection of sequence number with each contact of distribution contiguous block (4) of the other end, maybe can be by the sequence number cross connection, or short circuit, disconnecting; Each contact of simulated failure grid line (6) other end is different with each contact connected mode of distribution contiguous block (4) of the other end, control circuit (5) is to the pin power supply in turn of upper end network socket (3), the pin signal of the network socket of lower end now shows duty by 2 groups of pilot lamp (2) again to determine the connection status of simulated failure grid line (6) when powering by detecting.
2, network wiring fault simulation experiment method according to claim 1 is characterized in that: described 2 groups of pilot lamp (2) are fixed on cabinet panel (7) upper end, and side-by-side alignment is fixed up and down.
3, network wiring fault simulation experiment method according to claim 1 is characterized in that: described 2 groups of pilot lamp (2) are 8 LED light for every group.
4, network wiring fault simulation experiment method according to claim 1, it is characterized in that: described control circuit (5) is to the pin power supply in turn of upper end network socket (3), the pin signal of the network socket (3) of lower end shows now that by 2 groups of pilot lamp (2) duty can be as 8 the contact (D1s of simulated failure grid line (6) with the distribution contiguous block again to determine the connection status of simulated failure grid line (6) when powering by detecting, D2, D3, D4, D5, D6, D7, D8) and 8 contact (C1 of another distribution contiguous block, C2, C3, C4, C5, C6, C7, when correspondence connects C8); Corresponding 2 groups of pilot lamp (2) up and down glimmers simultaneously, and flicker is in proper order according to from left to right.
5, network wiring fault simulation experiment method according to claim 1, it is characterized in that: described control circuit (5) is to the pin power supply in turn of upper end network socket (3), the pin signal of the network socket (3) of lower end shows now that by 2 groups of pilot lamp (2) duty can be to be linked in sequence when 8 contacts (C1, C2, C3, C4, C5, C6, C7, C8) of simulated failure grid line (6) with a distribution contiguous block again to determine the connection status of simulated failure grid line (6) when powering by detecting; Between simulated failure grid line (6) other end and 8 contacts of another distribution contiguous block (D1, D2, D3, D4, D5, D6, D7, D8) during cross connection, last pilot lamp (2) order is according to the pilot lamp that from left to right glimmers between the point of crossing, only glimmer the in the other direction pilot lamp of point of crossing of following pilot lamp (2).
6, network wiring fault simulation experiment method according to claim 1, it is characterized in that: described control circuit (5) is to the pin power supply in turn of upper end network socket (3), the pin signal of the network socket (3) of lower end shows now that by 2 groups of pilot lamp (2) duty can be to be linked in sequence when 8 contacts (C1, C2, C3, C4, C5, C6, C7, C8) of simulated failure grid line (6) with a distribution contiguous block again to determine the connection status of simulated failure grid line (6) when powering by detecting; Between 8 contacts of simulated failure grid line (6) other end and another distribution contiguous block (D1, D2, D3, D4, D5, D6, D7, D8) short circuit arranged, open circuit when being connected, under open circuit conditions: go up pilot lamp (2) and following pilot lamp (2) sky and cut-off the pilot lamp of position, road contact correspondence, then from left to right flicker in order; Under short-circuit conditions: go up pilot lamp (2) and from left to right glimmer by the corresponding positions order, following pilot lamp (2) in (D1, D2, D3, D4, D5, D6, D7, D8) not tie point stop the flicker, normal tie point is glimmered in proper order, to short dot by the short circuit flicker of counting.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA200810018351XA CN101344999A (en) | 2008-05-30 | 2008-05-30 | Network wiring fault simulation experiment method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA200810018351XA CN101344999A (en) | 2008-05-30 | 2008-05-30 | Network wiring fault simulation experiment method |
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| CN101344999A true CN101344999A (en) | 2009-01-14 |
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| CNA200810018351XA Pending CN101344999A (en) | 2008-05-30 | 2008-05-30 | Network wiring fault simulation experiment method |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102360053A (en) * | 2011-08-31 | 2012-02-22 | 巩义市供电公司 | Method for finding out specific reticule from middle of wiring harnesses |
| CN103996347A (en) * | 2014-05-27 | 2014-08-20 | 西安开元电子实业有限公司 | Optical fiber wiring and terminating experiment instrument |
| CN116913155A (en) * | 2023-09-11 | 2023-10-20 | 成都运达科技股份有限公司 | Line fault simulation device |
-
2008
- 2008-05-30 CN CNA200810018351XA patent/CN101344999A/en active Pending
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102360053A (en) * | 2011-08-31 | 2012-02-22 | 巩义市供电公司 | Method for finding out specific reticule from middle of wiring harnesses |
| CN103996347A (en) * | 2014-05-27 | 2014-08-20 | 西安开元电子实业有限公司 | Optical fiber wiring and terminating experiment instrument |
| CN103996347B (en) * | 2014-05-27 | 2016-08-17 | 西安开元电子实业有限公司 | A kind of optical fiber distributing termination experiment instrument |
| CN116913155A (en) * | 2023-09-11 | 2023-10-20 | 成都运达科技股份有限公司 | Line fault simulation device |
| CN116913155B (en) * | 2023-09-11 | 2023-12-08 | 成都运达科技股份有限公司 | Line fault simulation device |
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Open date: 20090114 |