CN1210269A - Method and apparatus for inspecting network communication products with multiple I/O ports - Google Patents

Method and apparatus for inspecting network communication products with multiple I/O ports Download PDF

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Publication number
CN1210269A
CN1210269A CN 97103734 CN97103734A CN1210269A CN 1210269 A CN1210269 A CN 1210269A CN 97103734 CN97103734 CN 97103734 CN 97103734 A CN97103734 A CN 97103734A CN 1210269 A CN1210269 A CN 1210269A
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China
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hub
output
test
computer
network communication
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CN 97103734
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Chinese (zh)
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陈振煌
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D Link Corp
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D Link Corp
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Abstract

A device for testing network communication products with multiple input and output interfaces is composed of a computer and a hub for test purpose. Its test method features that the computer as test control center generates control signal to hub to instruct it selecting enable state and connecting with each input and output ports of the network communication product to be tested, the computer sends packets to hub and in turn to communication product, and test terms such as send-receive package, Jabber, collision and isolation are performed. Its advantages are simple device, low cost, high effect and high test speed.

Description

Pick-up unit and detection method that the network communication products of a plurality of output/input interfaces is arranged
The present invention relates to a kind of pick-up unit and detection method of network communication products, relate to a kind of pick-up unit and detection method or rather with network communication products of a plurality of output/input interfaces.
The traditional detection device and method of networking hub (HUB) can be referring to Fig. 1, and as servomechanism 10 (SERVER claims SRV), its hard disc and internal memory RAM need have enough capacity with a computer, and the essential networking servo programe (as NOVELL) of installing in the hard disc.Before carrying out the hub test, earlier this servomechanism 10 is opened and the execution servo programe, and when the driver of packing into (load driver), selected suitable framework kenel (frametype); Other as workstation1 1 (workstation is called for short WKS), this workstation can be started shooting with hard disc or soft dish, need be arranged in this hard disc or the soft dish driver of NETX.EXE program and networking card with a computer; With transmission line servomechanism 10, workstation1 1 are coupled together with hub 13 to be measured (Target).
When opening the power supply of workstation1 1, servomechanism 10 and hub to be measured 13, workstation1 1 is started shooting with DOS, carry out (the Network Interface Card of networking card 111 in its hard disc or the soft dish, be called for short NIC) driver the time, its framework kenel must be set identical with servomechanism, and then press the general running program that connects network server and carry out NETX.EXE program and execution accreditation process (login), and input user's name (Username) is in case behind definite and the servomechanism line, promptly carry out following detection to hub 13 to be measured:
1) at first, couple together with the networking card 101 of exporting inlet 131 and servomechanism 10 of transmission line hub 13 to be measured, 132 of another delivery outlets of hub 13 to be measured are connected with the networking card 111 of workstation1 1 by transmission line, make and form normal line relation between workstation and servomechanism.
2) carry out the test software that is provided by networking software company (as Netware), carry out package and send/receive (TX/RX) test.
If test is errorless, the output inlet 131 that hub 13 to be measured is connected with servomechanism 10 maintains static, and its transmission line that is connected with workstation1 1 is entered the mouth 133 by exporting inlet 132 changing-overs another output to hub 13 to be measured, and again this output inlet 133 is tested, so repeat aforementioned program, when these hub 13 all outputs to be measured enter the mouth all by test, end.Close at last and tested the hub power switch that finishes, and another hub to be measured of changing-over, by abovementioned steps 1), 2) proceed test.
Can't line if take place between workstation and servomechanism, or package leakage (packet), maybe can't carry out the test of TX/RX, or when the wrong phenomenons such as (compare error) of contrast is arranged between TX and RX packet information each other, the testing staff is promptly on the output inlet of the hub to be measured that is connected with workstation, repeat aforementioned testing procedure again, up to the output inlet that has detected whole hubs to be measured.
If testing result shows when hub to be measured output inlet 132 to 13N is all defective, may be because the output that is connected with servomechanism 10 inlet 131 itself can't conducting, need to change the output inlet that is connected with servomechanism 10 this moment, 131 reconfigurations to output enters the mouth 132 as being entered the mouth by former output, again test one by one from output inlet 133 to output inlet 13N again, can guarantee that just test result is accurate.
3) Jabber test;
Traditional Jabber detection method is according to aforementioned test result, optional one passes through the output inlet of the hub to be measured of test, with transmission line it is connected with workstation, after starting this workstation, carry out the software of a particular design, send the package (packet) that length surpasses 1514 bytes by this software, judge test result with the reaction of Jabber display lamp again, if display lamp is bright, then this test is passed through in expression, otherwise for not passing through test.
4) collision (collision) is (Partition) and isolate (Partition) test:
Each output inlet of general hub is equipped with the isolation display lamp, therefore except the function of need test hub, also will detect the quality of its display lamp.Traditional detection method is earlier the output inlet 131 of hub to be measured to be linked to each other with servomechanism 10, as shown in fig. 1, and with the output of hub to be measured inlet 132 to 13N (interfaces that comprise types such as UTP, BNC) and a plurality of workstation1s 1 ... 11 ' corresponding respectively the connection, after setting up normal line relation between workstation and servomechanism, the TX/RX test procedure that execution is provided by networking software company is observed the isolation display lamp state that collision display lamp and each output enter the mouth again one by one.
The traditional detection device and the detection method thereof of the networking hub of introducing above, need to prepare a computer as servomechanism, also need prepare the computer of equal number as workstation by the number of hub output inlet to be measured, wherein the stability as the computer of servomechanism need satisfy the network server high performance requirements, and the capacity of internal memory RAM and hard disc should be enough big, need meet the requirement as the network server normal operation at least.
In addition, when the very big need of turnout were installed a plurality of testing station, the workstation of each testing station not only need be installed hard disc or soft dish, and also must deposit system softwares such as DOS, NIC drive software and NETX in hard disc or the soft dish, therefore the testing station is many more, and the installation cost of equipment is big more.Especially in collision and isolation test, because these two functions are the considerable fundamentals in the hub product test, for cooperating the number of hub output inlet to be measured, the workstation that needs preparation to count on the same stage mutually, can finish test, thereby production cost is very high.
Aspect timeliness, if use traditional detection method, the intact output inlet of every survey, all need manually to dial to remove the transmission line that connects this output inlet and be connected to another and export on the inlet, and then carry out package transmission/reception (TX/RX) and test, the artificial plug action of this kind, not only easily cause the trace routine mistake, labor intensive, and many times have been wasted meaninglessly, test result also will be indicated in specific label on the output inlet of finishing detection one by one by the tester, whether by testing or the underproof situation of detection being arranged, has also wasted many activity durations for identification.
The objective of the invention is to design a kind of pick-up unit and detection method that the network communication products of a plurality of output/input interfaces is arranged, only need one the computer of two networking cards and the hub of a test usefulness are installed, can utilize this test heavily to export the characteristic of inlet (Multi-port) with the optional majority of hub, control this test (enable) state that enables by computer, and finish the test of all items of network communication products to be measured easily with the output inlet of hub.
The pick-up unit that the network communication products of a plurality of output/input interfaces is arranged of the present invention includes as the computer that detects control center, and this computer is provided with a signal slot at least and two networking cards are installed, and it is characterized in that:
Described device also includes a test hub, contain a signal slot and 1 to N output inlet, the signal slot of computer is connected with the signal slot of test with hub, transmit and detect controlling signal to control the enabled state of 1 to N output inlet, a test networking card connection of exporting inlet and computer of hub, test connects with the corresponding output inlet of the network communication products with a plurality of output/input interfaces to be measured respectively with N-1 of hub output inlet, and of the network communication products with a plurality of output/input interfaces to be measured exports and enters the mouth and another networking card connection of computer.
Described test hub is computer or other network communication equipment that a plurality of output/input interfaces are arranged.
Described signal slot is RS-232 slot or other network communication equipment.
Described output inlet is BNC, UTP or other networkings output inlet.
The detection method that the network communication products of a plurality of output/input interfaces is arranged of the present invention, be as the control center of detecting with computer, transmit controlling signal to test with hub, make this test select enabled state to be communicated with each output inlet of a network communication products to be measured with hub, by computer package is sent to the test hub, enter coupled network communication products to be measured by test with the output inlet that has enabled in the hub, send this computer again back to, finish every detection for the treatment of survey grid road communication product in regular turn.
Described every detection comprises the transmission/reception and the Jabber Function detection of package, be to make test be in regular enabled state with the output inlet that hub is connected with the networking card of computer, computer is controlled the output inlet that test is connected with network communication products to be measured with hub in regular turn, an order wherein output inlet is in enabled state, other output inlets are in not enabled state, computer is sent the overlength package by a networking card, through transmission line enter test with hub after, enter coupled network communication products to be measured by the output inlet that has enabled, and send another networking card of computer back to, the packet information that computer relatively sends and receives is judged the package transmission/reception and the Jabber Function detection performance of network communication products to be measured by comparative result.
Described every detection comprises that the collision of package and isolation performance detect, be to make test be in regular enabled state with the output inlet that hub is connected with the networking card of computer, all output inlets that computer control test is connected with network communication products to be measured with hub, make these output inlets all be in enabled state, computer is sent the random length package by a networking card, through transmission line enter test with hub after, enter coupled network communication products to be measured by the whole output inlets that enabled, by network communication products to be measured the package that each output inlet is received is sent by other output inlets, and send another networking card of computer back to, observe collision and isolation detection performance that the collision display lamp is judged network communication products to be measured.
Computer expert in the pick-up unit of the present invention crosses the signal slot and will detect controlling signal and send test to and use hub, the control test enabled state of the output inlet of hub, the order test is opened one by one or is all opened with each output inlet of hub, finishes every detection of network communication products to be measured in regular turn.
Further specify device and method of the present invention below in conjunction with embodiment and accompanying drawing.
The theory diagram of the traditional detection device of Fig. 1 networking hub;
Fig. 2 is of the present invention to have the theory diagram of pick-up unit of the network communication products of a plurality of output/input interfaces;
Address before Fig. 1 illustrates, 12 is display among the figure, and 102 is the MGA/VGA display card, and 101,111,111 ' is networking card NIC.
Referring to Fig. 2, as control center, the capacity of ram memory and hard disc need satisfy the space that can carry out basic DOS and testing software to pick-up unit at least in this computer with a computer 20, and two networking cards (NIC) 203,204 are installed in the computer 20.Pick-up unit also comprises the hub 22 (Tester) of a test usefulness, this test has a signal slot 221 (as the RS-232 slot) and a plurality of output inlet 222,223,224 with hub 22 ... 22N, this signal slot 221 is connected with the signal slot 202 (as the RS-232 slot) of computer 20 by signal line, and test is connected with a networking card 22 of computer 20 by transmission line with one of hub 22 output inlet 222.This test is with hub 22 also computer or other network communication products with a plurality of output/input interfaces.
(following is the example explanation with general networking hub only before network communication products is done to detect in the present invention, be not limited thereto during enforcement), need the output inlet 231 of hub to be measured (Target) 23 is connected with another networking card 204 of computer 20 by transmission line, and other outputs in the hub to be measured are entered the mouth 232 ... 23N is respectively by transmission line and test each output inlet 223 with hub ... 22N is corresponding to be connected.For example, test must be connected with the UTP output inlet of hub to be measured with the UTP output inlet of hub, and the BNC output inlet of hub to be measured must be connected with the BNC output inlet of test with hub.
Finish computer 20, after the connection of test with hub 22 and hub to be measured 23, power-on is carried out test procedure, at first clear display screen 21 of this test procedure and display-operation picture, read networking card 203 then, 204 I/O, set parameter values such as IRQ, whether normal with the function of test two networking cards itself, two networking card initial settings to be determined and test errorless after, test procedure carries out the setting of signal transmission interface (as RS-232 interface) immediately, as Baud Rate, stop Bit ... Deng, test procedure and test are with between hub, framework kenel (frame type) with agreement is each other linked up, if the framework kenel that test sets with 22 pairs of test procedures of hub has response, the setting of then representing UART is correct, and test is in standby condition with hub 22, and press the operation of test procedure and indicate this moment, press and begin to test button, can detect hub to be measured.
When the present invention detects the networking hub, the setting of its test procedure is that order test is in regular enabling (always enable) state with the output inlet that hub 22 is connected with computer network card 203, and cooperates with different test event and to make other outputs enter the mouth having following different enabling (enable) to make up.
1) when detecting output inlet (as BNC or UTP), test procedure is sent enable command to test 221 of hub 22 by the signal transmission interface 202 (as RS-232 interface) of computer, the order test is in enabled state with this output inlet of hub, after by the instruction execution, test is sent the signal of receiving this enable command with hub 22, after computer is received this answer signal, judge that whether the action that enables is finished, and then carries out sending, receiving of package (Packet) if finished.
When transmission/reception (TX/RX) of carrying out package detected, computer was sent package from networking card 203, entered test hub 22 through transmission line, and package will enter coupled hub to be measured 23 via the output inlet that has enabled.The fundamental characteristics of hub is can send by other output inlets of hub after package enters hub, at this moment, because of this test is in not enabled state (disable) with other output inlets that hub 22 is connected with hub 23 to be measured, be that signal is in not connected state, so computer is from the reception that can only enter the mouth via the output that this test enables according to detection instruction that the signal transmission interface received in hub 22 of package that networking card 203 is sent, be sent to networking card 204 by the corresponding output inlet that is connected with hub to be measured again, networking card 204 receives this package, judge by the computer contrast, if the package that networking card 204 receives is identical with the packet information that networking card 203 sends, represent that then this output inlet of hub to be measured is normal.
Otherwise, if package is sent by networking card 204, because hub to be measured is in (disable) state that do not enable with test with other output inlets that hub is connected, so package can only enter the test hub with the output inlet that enables in the hub 22 via test, and send computer back to by networking card 203 and carry out package relatively, when the packet information that the package that receives when networking card 203 and networking card 204 are sent was identical, the output inlet of then representing hub to be measured normally.In like manner, enable test in regular turn, can finish the detection of package transmission/reception one by one at other output inlets of hub to be measured with other output inlets in the hub.
The present invention can control the enabled state of respectively exporting inlet that test is connected with hub 23 to be measured with hub 22 in regular turn in trace routine, and control is sent the package that size surpasses 1514 bytes by networking card 203, send the package that surpasses 1514 bytes by networking card 204 again, in the transmission/receiving course of package, whether the Jabber display lamp is light judges that whether the Jabber function is normal, finishes the test of Jabber function rapidly by observing.
When 2) hub to be measured being done collision (collision) and isolating (partition) to detect, the Schilling test is in enabled state with all output inlets that are connected with hub 23 to be measured in the hub 22, and controlling computer is sent the package of random length, at this moment, hub to be measured will need because of the package that hub received to export the fundamental characteristics that inlet is sent by other, and can show collision phenomenon easily.Simultaneously, from observing the collision display lamp as can be known, after continuous 32 collision accidents, the isolation features of hub to be measured also can show easily and promptly, so the present invention can judge the collision/isolation features of hub to be measured by observing display lamp.
In sum, the present invention utilizes test heavily to export the characteristic of inlet with the optional majority of hub, make its controllable testing when detecting Jabber open the output inlet one by one with hub, the package that makes overlength enters hub to be measured by the output inlet of appointment, so can simply promptly finish the Jabber measuring ability.When collision detection, can finish the collision functional test easily because of the fundamental characteristics of hub, open all output inlets that test is connected with hub to be measured with hub, the computer expert crosses a networking card and send package to test with hub or hub to be measured, if the networking links the continuous package of sending, then very easily after continuous 32 collisions, make hub to be measured finish the isolation features test.Therefore, the present invention not only can reduce installation cost significantly, and can effectively save the artificial time of many plug transmission lines and changing-over output inlet, and the tester is as long as the operation message shown according to test pictures can be grasped the situation that each exports inlet easily.
Device and method of the present invention, be not limited to detection to general networking hub, so long as have the network communication products of a plurality of output/input interfaces, all can test, can substitute with the computer with a plurality of output/input interfaces or other network communication products with hub as test etc.
Pick-up unit of the present invention and detection method, aspect equipment, can make the testing station of each network communication products (the present invention is the example explanation with general networking hub) that a computer and a test hub only need be installed, can finish the test job of hub to be measured, its computer configuration does not propose excessive demand to internal memory and hard disc capacity yet, as long as the fundamental space that can carry out DOS software is arranged.If the turnout of network communication products is bigger, when needing to install a plurality of testing station, compare existing detection method, the present invention is not only simply many to the requirement of equipment, and has improved test mass and accelerated test speed.
Employed test has the characteristic that optional majority is heavily exported inlet with hub in the technology of the present invention, therefore when detecting the Jabber function, can make test only open an output inlet, make the package of length overlength enter the detection that hub to be measured is finished the Jabber function with hub.And in collision detection, when isolating, also as long as the order test is opened all output that is connected with hub to be measured inlets with hub, make by a networking card of computer and send into test with hub or hub package to be measured, therefore plant self transmission characteristic of hub and bump easily, and realize the test of collision function.In addition, if send package by the networking card continuously, also as easy as rolling off a logly make collision phenomenon occur continuously, thus recur collide for 32 times after, can make hub enter the test mode of isolation easily.And the method that traditional detection is isolated except will preparing several workstations, also will allow this workstation send package simultaneously to hub to be measured, to recur 32 collisions.
Aspect timeliness, because detection method of the present invention is before testing, to test with the output inlet corresponding connection of hub with hub to be measured, the present invention utilizes test heavily to export the characteristic of inlet with the optional majority that hub possessed, in trace routine is carried out, finish the action that does not need artificial plug, the output that can directly select to detect enters the mouth, so the present invention can save many plug transmission lines effectively and the time of the output inlet that changes the outfit.Aspect test result, because method of the present invention can make the tester only need according to the message on the test operation picture, just can on top of each export the situation of inlet, therefore in manpower, testing efficiency, test quantity and accuracy, all be better than traditional pick-up unit and method.

Claims (7)

1, a kind of pick-up unit and detection method that the network communication products of a plurality of output/input interfaces is arranged, described pick-up unit include as the computer that detects control center, and this computer is provided with a signal slot at least and two networking cards are installed, and it is characterized in that:
Described device also includes a test hub, contain a signal slot and 1 to N output inlet, the signal slot of computer is connected with the signal slot of test with hub, transmit and detect controlling signal to control the enabled state of 1 to N output inlet, a test networking card connection of exporting inlet and computer of hub, test connects with the corresponding output inlet of the network communication products with a plurality of output/input interfaces to be measured respectively with N-1 of hub output inlet, and of the network communication products with a plurality of output/input interfaces to be measured exports and enters the mouth and another networking card connection of computer.
2, pick-up unit and the detection method that the network communication products of a plurality of output/input interfaces is arranged as claimed in claim 1 is characterized in that: described test hub is computer or other network communication equipment that a plurality of output/input interfaces are arranged.
3, pick-up unit and the detection method that the network communication products of a plurality of output/input interfaces is arranged as claimed in claim 1 is characterized in that: described signal slot is RS-232 slot or other network communication equipment.
4, pick-up unit and the detection method that the network communication products of a plurality of output/input interfaces is arranged as claimed in claim 1 is characterized in that: described output inlet is BNC, UTP or other networkings output inlet.
5, pick-up unit and the detection method that the network communication products of a plurality of output/input interfaces is arranged as claimed in claim 1, it is characterized in that: with the control center of computer as detection, transmit controlling signal to test with hub, make this test select enabled state to be communicated with each output inlet of a network communication products to be measured with hub, by computer package is sent to the test hub, enter coupled network communication products to be measured by test with the output inlet that has enabled in the hub, send this computer again back to, finish every detection for the treatment of survey grid road communication product in regular turn.
6, pick-up unit and the detection method that the network communication products of a plurality of output/input interfaces is arranged as claimed in claim 5, it is characterized in that: described every detection comprises the transmission/reception and the Jabber Function detection of package, be to make test be in regular enabled state with the output inlet that hub is connected with the networking card of computer, computer is controlled the output inlet that test is connected with network communication products to be measured with hub in regular turn, an order wherein output inlet is in enabled state, other output inlets are in not enabled state, computer is sent the overlength package by a networking card, through transmission line enter test with hub after, enter coupled network communication products to be measured by the output inlet that has enabled, and send another networking card of computer back to, the packet information that computer relatively sends and receives is judged the package transmission/reception and the Jabber Function detection performance of network communication products to be measured by comparative result.
7, pick-up unit and the detection method that the network communication products of a plurality of output/input interfaces is arranged as claimed in claim 5, it is characterized in that: described every detection comprises that the collision of package and isolation performance detect, be to make test be in regular enabled state with the output inlet that hub is connected with the networking card of computer, all output inlets that computer control test is connected with network communication products to be measured with hub, make these output inlets all be in enabled state, computer is sent the random length package by a networking card, through transmission line enter test with hub after, enter coupled network communication products to be measured by the whole output inlets that enabled, by network communication products to be measured the package that each output inlet is received is sent by other output inlets, and send another networking card of computer back to, observe collision and isolation detection performance that the collision display lamp is judged network communication products to be measured.
CN 97103734 1997-03-28 1997-03-28 Method and apparatus for inspecting network communication products with multiple I/O ports Pending CN1210269A (en)

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Application Number Priority Date Filing Date Title
CN 97103734 CN1210269A (en) 1997-03-28 1997-03-28 Method and apparatus for inspecting network communication products with multiple I/O ports

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Application Number Priority Date Filing Date Title
CN 97103734 CN1210269A (en) 1997-03-28 1997-03-28 Method and apparatus for inspecting network communication products with multiple I/O ports

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN100386636C (en) * 2004-08-11 2008-05-07 华为技术有限公司 TPS protection plate detection method
CN101557322B (en) * 2008-04-07 2011-05-11 智邦科技股份有限公司 Method using network switch as network device testing instrument
CN113406463A (en) * 2020-03-16 2021-09-17 苏州明皜传感科技有限公司 Semiconductor finished product modularization testing arrangement

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN100386636C (en) * 2004-08-11 2008-05-07 华为技术有限公司 TPS protection plate detection method
CN101557322B (en) * 2008-04-07 2011-05-11 智邦科技股份有限公司 Method using network switch as network device testing instrument
CN113406463A (en) * 2020-03-16 2021-09-17 苏州明皜传感科技有限公司 Semiconductor finished product modularization testing arrangement

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