CN102447592A - Network testing device with optical power testing - Google Patents
Network testing device with optical power testing Download PDFInfo
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- CN102447592A CN102447592A CN2011102785205A CN201110278520A CN102447592A CN 102447592 A CN102447592 A CN 102447592A CN 2011102785205 A CN2011102785205 A CN 2011102785205A CN 201110278520 A CN201110278520 A CN 201110278520A CN 102447592 A CN102447592 A CN 102447592A
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- 238000012360 testing method Methods 0.000 title claims abstract description 160
- 230000003287 optical effect Effects 0.000 title claims abstract description 40
- 238000007493 shaping process Methods 0.000 claims abstract description 72
- 230000003321 amplification Effects 0.000 claims description 69
- 238000003199 nucleic acid amplification method Methods 0.000 claims description 69
- 238000004891 communication Methods 0.000 claims description 32
- 239000003990 capacitor Substances 0.000 claims description 6
- 238000010586 diagram Methods 0.000 description 5
- 239000013307 optical fiber Substances 0.000 description 5
- 239000000835 fiber Substances 0.000 description 4
- 238000012423 maintenance Methods 0.000 description 4
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
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- 238000004458 analytical method Methods 0.000 description 1
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- 238000011161 development Methods 0.000 description 1
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Abstract
The invention provides a network testing device with optical power testing comprising a CPU and a display screen and a broadband testing module connected with it. It is characterized by further comprising an OPM testing module connected with the CPU. The OPM testing module comprises an optical coupler, a shaping and amplifying module and an A/D converter. Input end of the optical coupler is connected to a testing light interface and output end is connected to the CPU via the shaping and amplifying module and an A/D converter. Since the OPM optical power testing module is additionally arranged, the maintaining and testing module can have DSL broadband access testing, LAN broadband testing and OPM optical power testing functions at the same time, is particularly suitable for maintaining and testing various hybrid access modes of FTTX and brings great convenience to FTTX comprehensive maintaining and testing for the maintaining staff.
Description
Quoting of associated documents
The application number that the application requires the applicant to submit on 09 25th, 2010 is 201010290139.6 priority.Incorporate the application into way of reference on their content whole.
Technical field
The present invention provides a kind of FTTX network testing device, belongs to communication service equipment technical field.
Background technology
FTTx is " Fiber To The x "
Abbreviation, mean "
Optical fiberTo X ", for various
Optical-fibre communicationsThe general name of network, wherein X represents the destination of fibre circuit, can be family, guard station or sub-district.The FTTx technology is mainly used in the access network fiberize, and to subscriber terminal equipment, local side apparatus is optical line terminal (Optical Line Terminal to scope from the local side apparatus of regional telecommunications room; OLT), ustomer premises access equipment is optical network unit (Optical Network Unit; ONU) or ONT Optical Network Terminal (Optical Network Terminal; ONT).
Optical fiber connects ONU and mainly contains dual mode, and a kind of is point-to-point form topology (Point to Point; P2P), all use an optical fiber from the central office to each user; A kind of in addition point-to-multipoint form topology mode (Point to Multi-Point that is to use; P2MP) EPON (Passive Optical Network; PON).
Along with network popularize growing, various measuring instruments to network arise at the historic moment.The present network terminal not only comprises wideband network terminal, and------DSL wideband network terminal and Ethernet wideband network terminal (claiming the LAN broadband again) also comprise a large amount of Optical Network Terminals.In fibre system, measuring light power is the most basic, the universal instrument in the extraordinary image electronics.Optical property monitoring (Optical power Monitor) is called for short OPM, and pair optical wavelength and the high characteristics of wave length shift detecting reliability are arranged.Light power meter is exactly the instrument of measuring light power.The test of PON luminous power is a type of OPM.
At present, being used for broadband network test instrumentation and the OPM test instrumentation of FTTX test on the market, all is to separately Design Pattern, and some broadband network test instrumentations can only testing broad-band network layer function partly, can not support the test of OPM; And the OPM test instrumentation can only be tested the parameter of OPM optical-fiber network, and test is not supported to broadband network.But; The development of this several years telecommunication markets makes the existing a large amount of broadband IP users of operator that the user of a lot of OPM arranged again; Maintenance support to these users still has same department to accomplish; The single of existing equipment function just brought many inconvenience for test job, and therefore, ten minutes needs a kind of FTTX network operation terminal that possesses the DSL network terminal, the test of Ethernet broadband network and OPM test simultaneously.
On the other hand; Present test instrumentation can only carry out on-the-spot test; Can't support the test of the electronic work order and the wireless traffic of operator, communication attendant's test job receives site limitation, so the testing apparatus of support of wireless communication function also becomes active demand.
Summary of the invention
The objective of the invention is to overcome the above problem, the network testing device that a kind of test function is complete, have the luminous power test function is provided.Its technical scheme is:
A kind of network testing device that has the luminous power test comprises CPU and the display screen that is attached thereto, broadband test module, and it is characterized in that: also comprise the OPM test module, the OPM test module is connected with CPU.
Said broadband test module comprises DSL test module, LAN test module or its combination.
Further, also comprise wireless communication module, wireless communication module is connected with CPU, CPU via wireless communication module be connected with other Wireless Telecom Equipments, communication.
Said wireless communication module is bluetooth communication or wi-fi communication module or 2G, 3G communication module.
As a kind of embodiment of the present invention, said OPM test module is PON luminous power test module.
Said OPM test module comprises optical coupler, shaping amplification module and A/D converter, the input termination test light interface of optical coupler wherein, and output meets CPU through shaping amplification module, A/D converter successively.
Wherein: the shaping amplification module comprises first resistance R 1, second resistance R 2, the 3rd resistance R 3 and operational amplifier U2; Wherein, The in-phase input end of operational amplifier U2 is through first resistance R, 1 ground connection; Inverting input is successively through optical coupler, first resistance R, 1 ground connection, and warp second resistance R 2 connects the output of operational amplifier U2, output termination the 3rd resistance R 3 of operational amplifier U2.
Preferably, said PON test module comprises optical coupler, shaping amplification module and A/D converter, wherein the input termination first test light interface and the second test light interface of optical coupler, and output meets CPU through shaping amplification module, A/D converter successively.
Wherein, the shaping amplification module in the said PON luminous power test module is respectively 1550 shaping amplification modules, 1490 shaping amplification modules, 1310 shaping amplification modules.
As preferred embodiments: wherein; PON luminous power test module comprises optical coupler, 1550 shaping amplification modules, 1490 shaping amplification modules, 1310 shaping amplification modules, pulse charge-discharge modules, A/D converter and single-chip microcomputer U; The input of optical coupler connects the first test light interface and the second test light interface respectively; Output connects 1550 shaping amplification modules, 1490 shaping amplification modules and 1310 shaping amplification modules respectively; The output termination A/D converter of 1550 shaping amplification modules, 1490 shaping amplification modules; The output of 1310 shaping amplification modules connects A/D converter through the pulse charge-discharge modules, and the output of A/D converter meets CPU through single-chip microcomputer U.
Said pulse charge-discharge modules comprises diode D2, capacitor C and switch SW, and wherein the positive pole of diode D2 connects the output of 1310 shaping amplification modules, and negative pole connects A/D converter, and respectively through capacitor C and switch SW ground connection.
The present invention compared with prior art, its advantage is:
1, owing to sets up OPM luminous power test module; Multiple wavelength optical signals such as 850nm, 1300nm, 1310nm, 1490nm, 1550nm, 1625nm output to CPU through OPM luminous power test module and test; Make this maintenance test terminal possess broadband test simultaneously--the function of DSL broadband access test, LAN broadband test and the test of OPM luminous power; Be particularly suitable for the test maintaining of all kinds of mixing access modules of FTTX, test bringing great convenience for attendant's FTTX integrated maintenance.
2, through increasing wireless communication module, can send out test data, so that carry out parameter testing and analysis at opening or centre data machine room.Broken away from traditional test instrument and the tester limitation of aptitude test together, under the landform of active receiving restriction, also can test easily.Expanded test zone effectively, brought great convenience.Simultaneously; Owing to set up wireless module; The test maintaining terminal can be with the information such as test result, electronic work order and position of cable network that obtains and wireless network through wireless network with integrated dispatch test macro or website or server communicate accordingly; Realize the overall management of resource-sharing, on-the-spot mobile office and operation maintenance, promote a line attendant workmanship and an operating efficiency greatly.
Description of drawings
Fig. 1 is the fundamental diagram of an embodiment of the present invention.
Fig. 2 is the schematic diagram that the present invention has PON test module embodiment.
Fig. 3 is the schematic diagram that the present invention has wireless communication module embodiment.
Fig. 4 is the schematic diagram of shaping amplification module among the present invention.
Fig. 5 is the circuit diagram of pulsed discharge module in the PON test module among the present invention.
Among the figure: 1, OPM test module, 2, the test light interface, 3, optical coupler, 4, the shaping amplification module; 5, A/D converter, 6, display screen, 7, the broadband test module, 8, the data expansion interface; 9, LAN interface, 10, the MODEM interface, 11, PON luminous power test module, 12-1, the first test light interface; The 12-2 second test light interface, 13, the PON optical coupler, 14-1,1550 shaping amplification modules, 14-2,1490 shaping amplification modules, 14-3,1310 shaping amplification modules; 15, PON A/D converter, 16, the pulse charge-discharge modules, 17, single-chip microcomputer, 18, wireless communication module.
Embodiment
Embodiment one: as shown in Figure 1; A kind of network testing device that has the luminous power test comprises CPU, LCD display 6, MODEM and HUB, and wherein LCD display 6 connects the I/O interface of CPU; MODEM connects test interface 10; HUB connects LAN interface 9, and MODEM and HUB form DSL test module, LAN test module respectively, and the two forms the broadband test module.Simultaneously; Set up OPM test module 1, it comprises optical coupler 3, shaping amplification module 4, A/D converter 5, wherein the input termination test light interface 2 of optical coupler 3; Output meets CPU through shaping amplification module 4, A/D converter 5 successively, and A/D converter 5 is connected through the RS232 interface with CPU.Wherein, display screen 6 is the LCD display of band touch-screen.
The described network testing device that has the luminous power test; Its shaping amplification module 4 comprises first resistance R 1, second resistance R 2, the 3rd resistance R 3 and operational amplifier U2; Wherein, The in-phase input end of operational amplifier U2 is through first resistance R, 1 ground connection, and inverting input is successively through optical coupler 3, first resistance R, 1 ground connection, and warp second resistance R 2 connects the output of operational amplifier U2; The output of operational amplifier U2 connects A/D converter 5 through the 3rd resistance R 3, and A/D converter 5 connects the RS232 interface of CPU.
Described test light interface 2 can adopt that FC/UPC, SC/UPC, ST/UPC or LC/UPC's is a kind of.
Said data expansion interface 8 is connected with CPU, and data expansion interface 8 can be USB interface, SD socket or other data-interfaces.
Embodiment two:
Like Fig. 2, Fig. 4, shown in Figure 5; A kind of network testing device that has luminous power test comprises the LAN interface 9 of CPU, display screen 6, MODEM interface 10 and HUB, and wherein LCD display 6 connects the I/O interface of CPU; MODEM connects test MODEM interface 10; Be connected with the external testing circuit, HUB connects LAN mouth 9, is connected with the external testing circuit.MODEM and HUB form broadband test module 7.Simultaneously, set up PON luminous power test module 11, the RS232 interface of PON luminous power test module 11 output termination CPU, input meets the first test light interface 12-1 and the second test light interface 12-2 respectively.
The described network testing device that has the luminous power test, PON luminous power test module comprises PON optical coupler 13,1550 shaping amplification module 14-1,1490 shaping amplification module 14-2,1310 shaping amplification module 14-3, pulse charge-discharge modules 16, PONA/D transducer 15 and single-chip microcomputer U17.The input of PON optical coupler 13 meets the first test light interface 12-1 and the second test light interface 12-2 respectively; Output meets 1550 shaping amplification module 14-1,1490 shaping amplification module 14-2 and 1310 shaping amplification module 14-3 respectively; The output termination A/D converter 15 of 1550 shaping amplification module 14-1,1490 shaping amplification module 14-2; The output of 1310 shaping amplification module 14-3 connects PONA/D transducer 15 through pulse charge-discharge modules 16, and the output of PONA/D transducer 15 connects the RS232 interface of CPU through single-chip microcomputer U17.
The explanation that is called for short in the literary composition: 1550 shaping amplification modules, 1490 shaping amplification modules, 1310 shaping amplification modules, represent shaping amplification module respectively to 1550nm, 1490nm, 1310nm long wavelength fiber signal, other are analogized.
The described network testing device that has the luminous power test; The circuit structure of 1550 shaping amplification module 14-1,1490 shaping amplification module 14-2,1310 shaping amplification module 14-3 is consistent; Include first resistance R 1, second resistance R 2, the 3rd resistance R 3, light-emitting diode D1 and operational amplifier; Wherein, the in-phase input end of operational amplifier is through first resistance R, 1 ground connection, and inverting input is successively through Light-Emitting Diode D1, first resistance R, 1 ground connection; And warp second resistance R 2 connects the output of operational amplifier, output termination the 3rd resistance R 3 of operational amplifier.
The described network testing device that has the luminous power test; Pulse charge-discharge modules 16 comprises diode D2, capacitor C and switch SW; Wherein the positive pole of diode D2 connects the output of 1310 shaping amplification module 14-3, and negative pole connects A/D converter 15, and respectively through capacitor C and switch SW ground connection.
Its operation principle is: get into 1550 shaping amplification circuit 14-1,1490 shaping amplification circuit 14-2,1310 shaping amplification circuit 14-3 respectively behind the light signal process PON optical coupler 13; After 1490nm, two kinds of wavelength light of 1550nm are amplified shaping through corresponding shaping amplification circuit; Through after A/D converter 15 conversion, be input to CPU through single-chip microcomputer U17 and carry out algorithm process again.Because the signal of 1310nm is the pulse mode light signal; So after 1310 shaping amplification circuit 14-3 amplification shaping, charge through pulse charge-discharge modules 16 again, repeatedly reach certain constant level after the charging; Accomplish conversion by A/D converter 15 then; Discharge by CPU control SW again, constantly repeat aforesaid operations, accomplish the measurement of 1310nm signal.
The described network testing device that has the luminous power test, the MODEM test interface adopts RJ11.
The described network testing device that has the luminous power test, LAN interface adopts RJ45.
The described network testing device that has the luminous power test, the first test light interface 12-1, the second test light interface 12-2 all adopt FC/UPC.
Embodiment three:
As shown in Figure 3, present embodiment has increased wireless communication module 18 on the basis of above embodiment.Wireless communication module 18 links to each other with CPU.CPU is through wireless communication module 18, is connected with other equipment with radio communication function, communication.
Wherein, said wireless communication module is bluetooth communication or wi-fi communication module, or 2G, 3G communication module.
Although illustrated and described preferred implementation of the present invention, it will be apparent to those skilled in the art that and under the situation of the scope that does not break away from this patent, much to change and to revise.Therefore appended claim is intended to contain all these change that falls into practicalness of the present invention and scope and modifications.
Claims (10)
1. a network testing device that has the luminous power test comprises CPU and the display screen that is attached thereto, broadband test module, and it is characterized in that: also comprise the OPM test module, the OPM test module is connected with CPU.
2. the network testing device that has the luminous power test as claimed in claim 1, it is characterized in that: said broadband test module comprises DSL test module, LAN test module or its combination.
3. according to claim 1 or claim 2 the network testing device that has luminous power test, it is characterized in that: also comprise wireless communication module, wireless communication module is connected with CPU, CPU via wireless communication module be connected with other Wireless Telecom Equipments, communication.
4. the network testing device that has luminous power test as claimed in claim 3 is characterized in that: said wireless communication module is bluetooth communication or wi-fi communication module or 2G, 3G communication module.
5. like the described network testing device that has the luminous power test of the arbitrary claim of claim 1-3, it is characterized in that: said OPM test module is PON luminous power test module.
6. like the described network testing device that has the luminous power test of the arbitrary claim of claim 1-3; It is characterized in that: said OPM test module; Comprise optical coupler, shaping amplification module and A/D converter; The input termination test light interface of optical coupler wherein, output meets CPU through shaping amplification module, A/D converter successively.
7. the network testing device that has the luminous power test as claimed in claim 6; It is characterized in that: the shaping amplification module comprises first resistance R 1, second resistance R 2, the 3rd resistance R 3 and operational amplifier U2; Wherein, the in-phase input end of operational amplifier U2 is through first resistance R, 1 ground connection, and inverting input is successively through optical coupler, first resistance R, 1 ground connection; And warp second resistance R 2 connects the output of operational amplifier U2, output termination the 3rd resistance R 3 of operational amplifier U2.
8. the network testing device that has the luminous power test as claimed in claim 5; It is characterized in that: said PON test module; Comprise optical coupler, shaping amplification module and A/D converter; Wherein the input termination first test light interface and the second test light interface of optical coupler, output meets CPU through shaping amplification module, A/D converter successively.
9. the network testing device that has the luminous power test as claimed in claim 8, it is characterized in that: the shaping amplification module in the said PON luminous power test module is 1550 shaping amplification modules, 1490 shaping amplification modules, 1310 shaping amplification modules.
10. like claim 8 or the 9 described network testing devices that have the luminous power test; It is characterized in that: PON luminous power test module comprises PON optical coupler, 1550 shaping amplification modules, 1490 shaping amplification modules, 1310 shaping amplification modules, pulse charge-discharge modules, A/D converter and single-chip microcomputer U; The input of PON optical coupler connects the first test light interface and the second test light interface respectively; Output connects 1550 shaping amplification modules, 1490 shaping amplification modules and 1310 shaping amplification modules respectively; The output termination A/D converter of 1550 shaping amplification modules, 1490 shaping amplification modules; The output of 1310 shaping amplification modules connects A/D converter through the pulse charge-discharge modules, and the output of A/D converter meets CPU through single-chip microcomputer U; The pulse charge-discharge modules comprises diode D2, capacitor C and switch SW, and wherein the positive pole of diode D2 connects the output of 1310 shaping amplification modules, and negative pole connects A/D converter, and respectively through capacitor C and switch SW ground connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110278520.5A CN102447592B (en) | 2010-09-25 | 2011-09-20 | Network testing device with optical power testing |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201010290139 | 2010-09-25 | ||
| CN201010290139.6 | 2010-09-25 | ||
| CN201110278520.5A CN102447592B (en) | 2010-09-25 | 2011-09-20 | Network testing device with optical power testing |
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| Publication Number | Publication Date |
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| CN102447592A true CN102447592A (en) | 2012-05-09 |
| CN102447592B CN102447592B (en) | 2014-12-03 |
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| CN2011203514070U Expired - Fee Related CN202364221U (en) | 2010-09-25 | 2011-09-20 | Network testing device capable of carrying out optical power test |
| CN201110278520.5A Active CN102447592B (en) | 2010-09-25 | 2011-09-20 | Network testing device with optical power testing |
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| CN2011203514070U Expired - Fee Related CN202364221U (en) | 2010-09-25 | 2011-09-20 | Network testing device capable of carrying out optical power test |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104394542A (en) * | 2014-12-05 | 2015-03-04 | 成都思邦力克科技有限公司 | Wireless network test device |
| CN106034053A (en) * | 2015-03-17 | 2016-10-19 | 上海共联通信信息发展有限公司 | Gateway overhauling apparatus supporting multiple transmission modes |
| CN106253972A (en) * | 2016-07-07 | 2016-12-21 | 上海光维通信技术股份有限公司 | Optic communication test system and optic communication test terminal |
| CN107786263A (en) * | 2016-08-31 | 2018-03-09 | 北京信维科技股份有限公司 | Suitable for the comprehensive power test device of 1G and 10GPON network tests |
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| CN104394542A (en) * | 2014-12-05 | 2015-03-04 | 成都思邦力克科技有限公司 | Wireless network test device |
| CN106034053A (en) * | 2015-03-17 | 2016-10-19 | 上海共联通信信息发展有限公司 | Gateway overhauling apparatus supporting multiple transmission modes |
| CN106253972A (en) * | 2016-07-07 | 2016-12-21 | 上海光维通信技术股份有限公司 | Optic communication test system and optic communication test terminal |
| CN107786263A (en) * | 2016-08-31 | 2018-03-09 | 北京信维科技股份有限公司 | Suitable for the comprehensive power test device of 1G and 10GPON network tests |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102447592B (en) | 2014-12-03 |
| CN202364221U (en) | 2012-08-01 |
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