CN102447592B - Network testing device with optical power testing - Google Patents
Network testing device with optical power testing Download PDFInfo
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- CN102447592B CN102447592B CN201110278520.5A CN201110278520A CN102447592B CN 102447592 B CN102447592 B CN 102447592B CN 201110278520 A CN201110278520 A CN 201110278520A CN 102447592 B CN102447592 B CN 102447592B
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- 238000012360 testing method Methods 0.000 title claims abstract description 158
- 230000003287 optical effect Effects 0.000 title claims abstract description 42
- 238000007493 shaping process Methods 0.000 claims abstract description 74
- 230000003321 amplification Effects 0.000 claims description 70
- 238000003199 nucleic acid amplification method Methods 0.000 claims description 70
- 238000004891 communication Methods 0.000 claims description 32
- 239000003990 capacitor Substances 0.000 claims description 6
- 239000000835 fiber Substances 0.000 claims description 5
- 238000010586 diagram Methods 0.000 description 5
- 239000013307 optical fiber Substances 0.000 description 5
- 238000012423 maintenance Methods 0.000 description 4
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000004458 analytical method Methods 0.000 description 1
- 238000013461 design 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 priority that the application number that the application requires applicant to submit on 09 25th, 2010 is 201010290139.6.In their content whole, be incorporated to the application with way of reference.
Technical field
The invention provides a kind of FTTX network testing device, belong 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 community.FTTx technology is mainly used in access network fiberize, and scope is from the local side apparatus of region telecommunications room to subscriber terminal equipment, and local side apparatus is optical line terminal (Optical Line Terminal; OLT), ustomer premises access equipment is optical network unit (Optical Network Unit; Or Optical Network Terminal (Optical Network Terminal ONU); ONT).
Optical fiber connects ONU and mainly contains two kinds of modes, and one is point-to-point form topology (Point to Point; P2P), use an optical fiber from central office to each user; Another is to use point-to-multipoint form topology mode (Point to Multi-Point; P2MP) EPON (Passive Optical Network; PON).
Along with universal growing of network, the various measuring instruments for network arise at the historic moment.The current network terminal, not only comprises wideband network terminal------DSL wideband network terminal and Ethernet wideband network terminal (claiming again LAN broadband), also comprises a large amount of Optical Network Terminals.In fibre system, it is the most basic measuring luminous power, the universal instrument in extraordinary image electronics.Optical property monitoring (Optical power Monitor) is called for short OPM, has pair optical wavelength and the high feature of wave length shift detecting reliability.Light power meter is exactly the instrument of measuring luminous power.The test of PON luminous power is a type of OPM.
At present, on market, for broadband network test instrumentation and the OPM test instrumentation of FTTX test, be all for Model Design separately, the function that some broadband network test instrumentations can only testing broad-band network layer part, can not support the test of OPM; And OPM test instrumentation can only be tested the parameter of OPM optical-fiber network, to broadband network, test is not supported.But, the development of this several years telecommunication markets makes the existing a large amount of broadband IP users of operator have again the user of a lot of OPM, still there is same department to complete to these users' maintenance support, the single of existing equipment function just brought much inconvenience for test job, therefore, extremely need a kind of FTTX network operation terminal that simultaneously possesses the DSL network terminal, the test of Ethernet broadband network and OPM test.
On the other hand, current test instrumentation can only carry out on-the-spot test, cannot support the test of electronic work order and the wireless traffic of operator, communication attendant's test job is subject to site limitation, and therefore the testing apparatus of support of wireless communication function also becomes active demand.
Summary of the invention
The object of the invention is to overcome the above problem, provide a kind of test function complete, with the network testing device of luminous power test function.Its technical scheme is:
With a network testing device for luminous power test, comprise CPU and the display screen being attached thereto, broadband test module, it is characterized in that: also comprise OPM test module, OPM test module is connected with CPU.
Described 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.
Described 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, described OPM test module, is PON luminous power test module.
Described OPM test module, comprises optical coupler, shaping amplification module and A/D converter, the wherein input termination test light interface of optical coupler, and output meets CPU through shaping amplification module, A/D converter successively.
Wherein: shaping amplification module comprises the first resistance R 1, the 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 the first resistance R 1 ground connection, inverting input is successively through optical coupler, the first resistance R 1 ground connection, and connect the output of operational amplifier U2, output termination the 3rd resistance R 3 of operational amplifier U2 through the second resistance R 2.
Preferably, described PON test module, comprises optical coupler, shaping amplification module and A/D converter, wherein input termination the 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 described 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 respectively the first test light interface and the second test light interface, output connects respectively 1550 shaping amplification modules, 1490 shaping amplification modules and 1310 shaping amplification modules, 1550 shaping amplification modules, the output termination A/D converter of 1490 shaping amplification modules, the output of 1310 shaping amplification modules connects A/D converter through pulse charge-discharge modules, the output of A/D converter meets CPU through single-chip microcomputer U.
Described 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.
Compared with prior art, its advantage is in the present invention:
1, owing to setting up OPM luminous power test module, the 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, for attendant's FTTX integrated maintenance test brings great convenience.
2, by increasing wireless communication module, test data can be sent out, to carry out parameter testing and analysis at opening or centre data machine room.Broken away from traditional test instrument and tester must together with the limitation of aptitude test, under the landform of active receiving restriction, also can test easily.Expand effectively test zone, brought great convenience.Simultaneously, owing to setting up wireless module, test maintaining terminal can be crossed the information exchanges such as the test result of the cable network of acquisition and wireless network, electronic work order and position wireless network and corresponding integrated dispatch test macro or website or server and communicate, realize the overall management of resource-sharing, on-the-spot mobile office and operation maintenance, greatly promote line attendant workmanship and an operating efficiency.
Brief description of the drawings
Fig. 1 is the fundamental diagram of an embodiment of the present invention.
Fig. 2 is the schematic diagram of the present invention with PON test module embodiment.
Fig. 3 is the schematic diagram of the present invention with wireless communication module embodiment.
Fig. 4 is the schematic diagram of shaping amplification module in the present invention.
Fig. 5 is the circuit diagram of pulsed discharge module in PON test module in the present invention.
In figure: 1, OPM test module, 2, test light interface, 3, optical coupler, 4, shaping amplification module, 5, A/D converter, 6, display screen, 7, broadband test module, 8, data expansion interface, 9, LAN interface, 10, MODEM interface, 11, PON luminous power test module, 12-1, the first test light interface, 12-2 the second test light interface, 13, 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, pulse charge-discharge modules, 17, single-chip microcomputer, 18, wireless communication module.
Embodiment
Embodiment mono-: as shown in Figure 1, a kind of network testing device with luminous power test, comprise CPU, LCD display 6, MODEM and HUB, 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 respectively DSL test module, LAN test module, the two composition 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 by RS232 interface with CPU.Wherein, display screen 6 is the LCD display with touch-screen.
The described network testing device with luminous power test, its shaping amplification module 4 comprises the first resistance R 1, the 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 the first resistance R 1 ground connection, inverting input is successively through optical coupler 3, the first resistance R 1 ground connection, and connect the output of operational amplifier U2 through the second resistance R 2, 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 the one of FC/UPC, SC/UPC, ST/UPC or LC/UPC.
Described data expansion interface 8 is connected with CPU, and data expansion interface 8 can be USB interface, SD socket or other data-interfaces.
Embodiment bis-:
As shown in Fig. 2, Fig. 4, Fig. 5, a kind of network testing device with luminous power test, comprise the LAN interface 9 of CPU, display screen 6, MODEM interface 10 and HUB, wherein LCD display 6 connects the I/O interface of CPU, MODEM connects test MODEM interface 10, with external testing connection, HUB connects LAN mouth 9, with external testing connection.MODEM and HUB composition broadband test module 7.Meanwhile, set up PON luminous power test module 11, PON luminous power test module 11 is exported the RS232 interface of termination CPU, and input meets respectively the first test light interface 12-1 and the second test light interface 12-2.
The described network testing device with 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 respectively the first test light interface 12-1 and the second test light interface 12-2, output meets respectively 1550 shaping amplification module 14-1,1490 shaping amplification module 14-2 and 1310 shaping amplification module 14-3, 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 being called for short in literary composition: 1550 shaping amplification modules, 1490 shaping amplification modules, 1310 shaping amplification modules, represent respectively the shaping amplification module to 1550nm, 1490nm, 1310nm long wavelength fiber signal, other are analogized.
The described network testing device with 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 the first resistance R 1, the 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 the first resistance R 1 ground connection, inverting input is successively through Light-Emitting Diode D1, the first resistance R 1 ground connection, and connect the output of operational amplifier, output termination the 3rd resistance R 3 of operational amplifier through the second resistance R 2.
The described network testing device with 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: light signal enters respectively 1550 shaping amplification circuit 14-1,1490 shaping amplification circuit 14-2,1310 shaping amplification circuit 14-3 after PON optical coupler 13,1490nm, bis-kinds of wavelength light of 1550nm are after corresponding shaping amplification circuit amplifies shaping, by 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 pulse mode light signal, so after 1310 shaping amplification circuit 14-3 amplify shaping, charge by pulse charge-discharge modules 16 again, repeatedly after charging, reach certain constant level, then complete conversion by A/D converter 15, control SW by CPU again and discharge, constantly repeat aforesaid operations, complete the measurement of 1310nm signal.
The described network testing device with luminous power test, MODEM test interface adopts RJ11.
The described network testing device with luminous power test, LAN interface adopts RJ45.
The described network testing device with luminous power test, the first test light interface 12-1, the second test light interface 12-2 all adopt FC/UPC.
Embodiment tri-:
As shown in Figure 3, the present embodiment has increased wireless communication module 18 on the basis of above embodiment.Wireless communication module 18 is connected with CPU.CPU is by wireless communication module 18, has equipment connection, the communication of radio communication function with other.
Wherein, described wireless communication module is bluetooth communication or wi-fi communication module, or 2G, 3G communication module.
Although illustrated and described the preferred embodiment of the present invention, it will be apparent to those skilled in the art that and can in the case of not departing from the scope of this patent, much change and revise.Therefore appended claim is intended to contain all these change that falls into practicalness of the present invention and scope and amendments.
Claims (6)
1. with a network testing device for luminous power test, comprise CPU and the display screen being attached thereto, broadband test module, it is characterized in that: also comprise OPM test module, OPM test module is connected with CPU; Described OPM test module is PON luminous power test module;
Described PON test module, comprises optical coupler, shaping amplification module and A/D converter, wherein input termination the 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; Described PON test module, comprises optical coupler, shaping amplification module and A/D converter, wherein input termination the 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;
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 respectively the first test light interface and the second test light interface, output connects respectively 1550 shaping amplification modules, 1490 shaping amplification modules and 1310 shaping amplification modules, 1550 shaping amplification modules, the output termination A/D converter of 1490 shaping amplification modules, the output of 1310 shaping amplification modules connects A/D converter through pulse charge-discharge modules, the output of A/D converter meets CPU through single-chip microcomputer U,
Wherein, 1550 shaping amplification modules, 1490 shaping amplification modules, 1310 shaping amplification modules, represent respectively the shaping amplification module to 1550nm, 1490nm, 1310nm long wavelength fiber signal;
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;
Wherein, MODEM connects test interface 10, and HUB connects LAN interface 9, and MODEM and HUB form respectively DSL test module, LAN test module, the two composition broadband test module.
2. the network testing device with luminous power test as claimed in claim 1, is characterized in that: described broadband test module comprises DSL test module, LAN test module or its combination.
3. the network testing device with luminous power test as claimed in claim 1 or 2, 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 with luminous power test as claimed in claim 3, is characterized in that: described wireless communication module is bluetooth communication or wi-fi communication module or 2G, 3G communication module.
5. the network testing device with luminous power test as described in claim as arbitrary in claim 1-3, it is characterized in that: described OPM test module, comprise optical coupler, shaping amplification module and A/D converter, the wherein input termination test light interface of optical coupler, output meets CPU through shaping amplification module, A/D converter successively.
6. the network testing device with luminous power test as claimed in claim 5, it is characterized in that: shaping amplification module comprises the first resistance R 1, the 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 the first resistance R 1 ground connection, inverting input is successively through optical coupler, the first resistance R 1 ground connection, and connect the output of operational amplifier U2 through the second resistance R 2, output termination the 3rd resistance R 3 of operational amplifier U2, the output of operational amplifier U2 connects A/D converter through the 3rd resistance R 3.
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 |
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010290139.6 | 2010-09-25 | ||
| CN201010290139 | 2010-09-25 | ||
| CN201110278520.5A CN102447592B (en) | 2010-09-25 | 2011-09-20 | Network testing device with optical power testing |
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| CN102447592A CN102447592A (en) | 2012-05-09 |
| CN102447592B true CN102447592B (en) | 2014-12-03 |
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| CN201110278520.5A Active CN102447592B (en) | 2010-09-25 | 2011-09-20 | Network testing device with optical power testing |
| 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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| 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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Families Citing this family (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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| US8369484B2 (en) * | 2007-09-19 | 2013-02-05 | At&T Intellectual Property I, Lp | Methods and apparatus to test a subscriber line for a broadband access service |
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- 2011-09-20 CN CN2011203514070U patent/CN202364221U/en not_active Expired - Fee Related
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| CN2540067Y (en) * | 2002-04-30 | 2003-03-12 | 武汉邮电科学研究院 | On-line monitor for optical communication |
| CN2814813Y (en) * | 2005-07-19 | 2006-09-06 | 北京信诺光维科技发展有限公司 | Optical network comprehensive tester |
| CN201536423U (en) * | 2009-11-27 | 2010-07-28 | ***通信集团福建有限公司 | Hand-held wireless local area network test device and test system |
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| CN102447592A (en) | 2012-05-09 |
| CN202364221U (en) | 2012-08-01 |
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Denomination of invention: Network testing device with optical power testing Effective date of registration: 20170228 Granted publication date: 20141203 Pledgee: Shandong science and technology finance Company limited by guarantee Pledgor: Shandong Xintong Electronic Co., Ltd. Registration number: 2017370000021 |
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