CN2556861Y

CN2556861Y - Portable network tester

Info

Publication number: CN2556861Y
Application number: CN 02245651
Authority: CN
Inventors: 周密; 邵君; 纪巧云
Original assignee: Changcheng Dingxing Network Co
Current assignee: China Great Wall Computer Shenzhen Co Ltd
Priority date: 2002-08-09
Filing date: 2002-08-09
Publication date: 2003-06-18
Anticipated expiration: 2012-08-09

Abstract

The utility model discloses a portable network tester, in particular to a tester which can check the third floor make-and-break of the network and the reticle make-and-break. The tester comprises the essential components of an embedded processor platform, a network interface chip and an electrical source, etc. The embedded processor platform is combined with software to form a module used for checking the third floor make-and-break and a module used for checking the reticle make-and-break; the network interface chip is connected with the third floor make-and-break checking module and the network checking interface; the reticle make-and-break checking module is connected with a reticle checking interface. The utility model also comprises an inputting keyboard and a display figure liquid crystal display. By adopting the proposal, the utility model has the advantages of low cost, simple and convenient operation, small volume and light weight, etc.

Description

The portable network tester

Technical field

The utility model relates to a kind of network tester, refers to especially a kind ofly can detect the 3rd layer of break-make situation of network, low-cost, portable network tester.

Background technology

At present, the detection for most of network system connectednesses all rests on the simple netting twine detection mode.But,, can't guarantee the unimpeded of network so simple netting twine detects because the transportation of broadband network adopts copper twisted pair to arrive the scheme that optical fiber arrives network management system again through multistage switches mostly.Therefore be badly in need of a kind of easy to use, lower-cost testing equipment that can be used to detect the 3rd layer of (network layer) break-make of network.

And at present, the means that can be used for the 3rd layer of (network layer) on off test of network mainly contain two kinds: a kind of break-make situation that is to use notebook computer to detect network layer.But, because notebook computer itself is not special-purpose testing equipment, so, in the engineering-environment of inclement condition, very easily break down, and notebook computer costing an arm and a leg, preponderance (generally greater than 2Kg) therefore, uses very inconvenient.Second kind of means of testing is to use the multifunctional testing equipment based on special chip (ASIC).Though this testing equipment can provide function corresponding, price very high (＞50,000 yuan), therefore, the also needs of incompatibility broadband network operation.

Summary of the invention

Can't adapt to engineering test environment and existing in order to overcome above-mentioned non-engineering equipment based on the too expensive deficiency of the testing equipment of special chip (ASIC), the purpose of this utility model provide a kind of cheaply, portable, not only can detect the break-make of network the 3rd layer (network layer), also can detect the portable network tester of single netting twine break-make simultaneously.

For achieving the above object, the utility model by the following technical solutions: it mainly is made of embedded processor platform, network interface chip, power circuit etc.;

Described embedded processor platform is a core component of the present utility model, it by microprocessor, store the first memory that can realize network layer break-make measuring ability and netting twine on off test functional software and provide the second memory in software dynamic operation space to constitute; The I/O pin of described microprocessor links to each other with second memory with first memory respectively;

Described network interface chip is connected with the network test interface with embedded processor platform respectively, is responsible for the network signal of standard that the control signal of flush bonding processor is converted to, through network test interface testing network; And the target response data that test interface receives are back to flush bonding processor;

Described power circuit provides working power for whole device.

Described embedded processor platform also has a netting twine test interface, and this interface links to each other with the I/O mouth of described embedded processor platform, is used to detect the break-make of netting twine.

Described keyboard links to each other with the data input port of embedded processor platform, is used to import necessary configuration parameter; Described graphic lcd display screen links to each other with the data output of embedded processor platform, in order to show test results and to carry out parameter configuration.

The utility model embedded processor platform is to store the FLASH chip and that can realize network layer break-make measuring ability and netting twine on off test functional software by microprocessor, to provide the sram chip in software dynamic operation space to constitute; The pin of sram chip and FLASH chip links to each other with address bus, data/address bus and the relevant controlling end of microprocessor chip respectively.

Because the utility model adopts above technical scheme, so have the following advantages: 1, because the utility model uses is general embedded platform, make cost reduce greatly, instrument is based on 1/tens of the multifunctional testing equipment cost of special chip (ASIC).2, the utlity model has full menu in Chinese, be furnished with the keyboard that is used for the parameter input, after network test is finished, can on the graphic lcd display screen, show test results automatically, easy and simple to handle.3, the utility model adopts the high-energy lithium battery power supply of rechargeable type, it is bigger to have solved the flush bonding processor power consumption, with common batteries too short problem service time, can make the volume-diminished of product like this, weight saving, thus a real portable network testing equipment become.

Description of drawings

Fig. 1 is a theory diagram of the present utility model

Fig. 2 is the physical circuit figure of the utility model flush bonding processor

Fig. 3 is the utility model network interface chip circuit diagram

Fig. 4 is the physical circuit figure of the peripheral interface circuit of the utility model flush bonding processor

Embodiment

As shown in Figure 1, a kind of portable network tester of the utility model mainly is made of embedded processor platform 1, network interface chip 2 and power supply 3.Wherein:

Embedded processor platform 1 is a core component of the present utility model, and it is by microprocessor, stores the first memory that can realize network layer break-make measuring ability and netting twine on off test functional software and provide the second memory in software dynamic operation space to constitute; The I/O pin of microprocessor links to each other with second memory with first memory respectively, constitutes the 3rd layer of (network layer) break-make detection module 11 and netting twine break-make detection module 12, thereby realizes the on off test and the netting twine measuring ability of network the 3rd layer (network layer);

Network interface chip 2 respectively with embedded processor platform 1 in the 3rd layer of (network layer) break-make detection module 11 be connected with network test interface 4, be responsible for the network signal of standard that the control signal of flush bonding processor is converted to, through network test interface 4 test networks; And the target response data that test interface 4 receives are back to flush bonding processor 1.

Embedded processor platform 1 also has a netting twine test interface 13, and the netting twine break-make detection module 12 in this interface and the embedded processor platform 1 links to each other, and is used to detect the break-make of netting twine.Because the netting twine detection signal do not need to change, thus embedded processor platform 1 can be directly break-make by 13 pairs of netting twines of netting twine test interface directly detect.

Power supply 3 mainly is for whole device provides working power, and the utility model adopts high-octane lithium battery to provide power supply for whole device.

The utility model also includes the keyboard 5 of input parameter and order and the graphic lcd display screen 6 that is used to show test results.Keyboard 5 is input equipments of the present utility model, is used to import necessary configuration parameter; Graphic lcd display screen 6 is display devices of the present utility model, in order to show test results and to carry out parameter configuration.

Fig. 2～Fig. 4 is the physical circuit figure of the utility model each several part.

RABBIT 2000 chips among Fig. 2 are core processor of the present utility model, and it cooperates some corresponding peripheral components, have constituted the embedded processor platform of system.RTL8019AS among Fig. 3 (U12) is a network interface chip, is used for the network signal of standard that the control signal of flush bonding processor is converted to.U13 is a sram chip among Fig. 4, is used for providing when program running the dynamic memory space, realizes netting twine break-make detection module function; U14 is the FLASH chip, is used for stored program, parameter information, and the assurance program is unlikely losing when system cut-off, realizes the 3rd layer of (network layer) break-make detection module function.RABBIT 2000 processors among these two chips and Fig. 2 have constituted embedded processor platform of the present utility model.Be exactly on this platform, system has realized the on off test and the netting twine measuring ability of network the 3rd layer (network layer) by software.J6 among Fig. 4 is the graphic lcd screen, and U17 is a keyboard interface, and U16 is multiplexing control chip.

The concrete annexation of each several part is described below in conjunction with Fig. 2～Fig. 4.

Please also refer to Fig. 2 and shown in Figure 4, D0-D7, the A0-A16 of RABBIT 2000 chips, WE1, OE1 and CS1 pin link to each other with I/O0-I/O7, A0-A16, WE, OE and the CS1 pin of SRAM (U13) respectively, are used for getting in touch when program running and between the dynamic memory space; D0-D7, the A0-A17 of RABBIT 2000 chips, WE0, OE0 and CS0 pin link to each other with DQ0-DQ7, A0-A17, WE, OE and the CE pin of FLASH (U14) respectively, are used to carry out reading of this machine parameter, program;

The PA0-PA7 pin of RABBIT 2000 chips links to each other with keyboard interface PD0-PD7 pin, has constituted the keyboard input circuit, is used to finish the setting input of indispensable parameter; PD0-PD7, the PC0 of RABBIT 2000 chips, PE2, PE3, PE4 and PE5 pin link to each other with DB0-DB7, RESET1B, E_RD, RW_WR, RS and the CS1B pin of graphic lcd circuit respectively, wherein PD0-PD7 is a data wire, all the other are control line, show test results.

Again with reference to figure 3, A0-A4, the D0-D7 of RABBIT 2000 chips, PE1, PE6 and PE7 pin link to each other with SA0-SA4, SD0-SD7, RSTDRV, IOWB and the IORB of network interface chip RTL8019AS (U12) respectively, wherein, SA0-SA4 is an address wire, SD0-SD7 is a data wire, all the other are control line, carry out the detection of network layer break-make; Network interface chip RTL8019AS (U12) is used for the network signal of standard that the control signal of flush bonding processor is converted to.

The network test interface is the U11 among Fig. 3, and its TPIN-, TPIN+, TPOUT-, TPOUT+ pin link to each other with TPIN-, TPIN+, TPOUT-, the TPOUT+ pin of network interface chip u12 respectively, have constituted the network test interface circuit.Its effect is that the conversion of signals with network interface chip becomes the standard network level, sends to network.

The netting twine detection is that the PD～PD7 pin by multiplexing RABBIT2000 chip is realized, PD0-PD7, PB6 pin are linked to each other with YA1, B4, YA2, B3, YA3, B2, YA4, B1 and the ENABLE_B pin of 74HC244 (U16) respectively, when PB6 is high level signal, PD0-PD7 transmission liquid crystal data, when PB6 was low level signal, PD0-PD7 was used for netting twine and detects.

The above is specific embodiment of the utility model and the know-why used, and is any based on the equivalent transformation on the technical solutions of the utility model basis, all belongs within the utility model protection range.

Claims

1, a kind of portable network tester, it is characterized in that: it mainly is made of embedded processor platform, network interface chip, power circuit etc.;

Described power circuit provides working power for whole device.

2, portable network tester according to claim 1 is characterized in that: described embedded processor platform also has a netting twine test interface, and this interface links to each other with the I/O mouth of described embedded processor platform, is used to detect the break-make of netting twine.

3, portable network tester according to claim 2 is characterized in that: described power circuit is high-octane lithium battery.

4, portable network tester according to claim 3 is characterized in that: the utility model also includes the keyboard of input parameter and order and the graphic lcd display screen that is used to show test results; Described keyboard links to each other with the data input port of embedded processor platform, is used to import necessary configuration parameter; Described graphic lcd display screen links to each other with the data output of embedded processor platform, in order to show test results and to carry out parameter configuration.

5, portable network tester according to claim 1 is characterized in that: described embedded processor platform is to store the FLASH chip and that can realize network layer break-make measuring ability and netting twine break-make measuring ability software by microprocessor, to provide the sram chip in software dynamic operation space to constitute;

The pin of described sram chip and FLASH chip links to each other with address bus, data/address bus and the relevant controlling end of microprocessor chip respectively.