CN102158277A - Automatic optical module send-receive integrated test system - Google Patents
Automatic optical module send-receive integrated test system Download PDFInfo
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- CN102158277A CN102158277A CN201110042271XA CN201110042271A CN102158277A CN 102158277 A CN102158277 A CN 102158277A CN 201110042271X A CN201110042271X A CN 201110042271XA CN 201110042271 A CN201110042271 A CN 201110042271A CN 102158277 A CN102158277 A CN 102158277A
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Abstract
The invention discloses an automatic optical module send-receive integrated test system, comprising a test device and test software. The test device comprises a signal generating analysis meter, an optical source, an optical attenuator, a spectrometer, an optical power meter, an eye pattern analysis meter, a spectrum analyzer, a digital multimeter, a digital direct-current power supply, an optical module to be tested, a test mother board, a master control PC and joints among the devices; and the test software comprises a communication interface module, an instrument control module, a sending terminal test module, a receiving terminal test module, a digital diagnosis test module, a test process control module, a test specification download module and a data storage module. The automatic optical module send-receive integrated test system has the advantages of effectively improving efficiency, maintaining consistency and accuracy of the test process and reducing influence from manual operation in the test process.
Description
Technical field
The present invention relates to the optical module field tests, specifically be meant a kind of optical module transceiver automatization test system.
Background technology
At present in the optical module test, need the tester on different test platforms, to switch with manual mode, simultaneously, the transmitting terminal test process needs tester's manual refreshing (or switching) eye pattern analyzer DAS module, and the receiving terminal test process needs tester's manual adjustments optical attenuator to change optical module receiving terminal incident optical power to be measured.Whole test process tester acts frequently, and testing efficiency is low, and is very time-consuming, and test result is also brought uncertain error because of tester's individual differences.
Summary of the invention
The problem that the present invention need solve provides a kind of testing efficiency height, test process high conformity, optical module transceiver automatization test system that test accuracy is high.
To achieve these goals, the present invention has designed a kind of optical module transceiver automatization test system, comprise testing apparatus and testing software, described testing apparatus comprises that signal produces analyzer, light source, optical attenuator, spectrometer, light power meter, the eye pattern analyzer, spectroanalysis instrument, digital multimeter, the digital DC power supply, test motherboard and master control PC, signal produces analyzer and light source, optical attenuator, light power meter, the eye pattern analyzer, spectroanalysis instrument, digital multimeter, the digital DC power supply is connected with the test motherboard, spectrometer, digital multimeter, the digital DC power supply is connected with the test motherboard respectively, and optical module to be measured is arranged on the test motherboard; Signal produces analyzer and is connected to the test motherboard by the radio frequency cable; Described testing software operates on the master control PC, includes communication interface module, instrument and equipment control module, transmitting terminal test module, receiving terminal test module, numerical diagnostic functional test module, testing process control module, test specification download module, data memory module.
More preferably: described signal produces analyzer and is connected to light source by radio frequency cable, the light of light source output is transmitted through the fiber to optical attenuator, the light of optical attenuator output is connected to spectrometer by optical fiber, spectrometer is divided into two-way with light, one the road is connected to optical module receiving terminal to be measured, and one the road is connected to light power meter; The light of optical module transmitting terminal output to be measured is connected to spectrometer by optical fiber, and spectrometer is divided into two-way with light, and one the road is connected to the eye pattern analyzer, and one the road is connected to spectroanalysis instrument; The test motherboard is connected to digital multimeter by annealed copper wire; The output of digital DC power supply is connected to the test motherboard by annealed copper wire; The test motherboard is connected to master control PC by the USB cable; Signal generation analyzer, optical attenuator, light power meter, eye pattern analyzer, spectroanalysis instrument, digital multimeter, digital DC power supply are connected to master control PC by the GPIB cable.
More preferably: described test motherboard comprises micro controller module, usb interface module, power module, peripheral control/input/output interface module, high speed signal interface module, micro controller module is connected with optical module to be measured, usb interface module and peripheral control/input/output interface module respectively, the high speed signal interface module produces analyzer with signal and is connected, optical module to be measured is connected with spectrometer with peripheral control/input/output interface module, high speed signal interface module, and described usb interface module is connected with master control PC.
Optical module transceiver automatization test system of the present invention has effectively improved testing efficiency, test process consistency and test accuracy, reduces the influence of tester's human factor, simultaneously, the tester is not had very high technical ability requirement, and is easy to implement.
Description of drawings:
Fig. 1 is an optical module transceiver automatization test system functional-block diagram of the present invention;
Fig. 2 is an optical module transceiver automatization test system workflow diagram of the present invention.
Embodiment
For the ease of those skilled in the art's understanding, structural principle of the present invention is described in further detail below in conjunction with specific embodiment and accompanying drawing:
As shown in Figure 1, design a kind of optical module transceiver automatization test system.It comprises testing apparatus and testing software, described testing apparatus comprises that signal produces analyzer, light source, optical attenuator, spectrometer, light power meter, eye pattern analyzer, spectroanalysis instrument, digital multimeter, digital DC power supply, test motherboard and master control PC, described signal produces analyzer and is connected to light source by radio frequency cable, the light of light source output is transmitted through the fiber to optical attenuator, the light of optical attenuator output is connected to spectrometer by optical fiber, spectrometer is divided into two-way with light, one the road is connected to optical module receiving terminal to be measured, and one the road is connected to light power meter; The light of optical module transmitting terminal output to be measured is connected to spectrometer by optical fiber, and spectrometer is divided into two-way with light, and one the road is connected to the eye pattern analyzer, and one the road is connected to spectroanalysis instrument; The test motherboard is connected to digital multimeter by annealed copper wire; The output of digital DC power supply is connected to the test motherboard by annealed copper wire; The test motherboard is connected to master control PC by the USB cable; Signal generation analyzer, optical attenuator, light power meter, eye pattern analyzer, spectroanalysis instrument, digital multimeter, digital DC power supply are connected to master control PC by the GPIB cable.Described test motherboard comprises micro controller module, usb interface module, power module, peripheral control/input/output interface module, high speed signal interface module, micro controller module is connected with optical module to be measured, usb interface module and peripheral control/input/output interface module respectively, the high speed signal interface module produces analyzer with signal and is connected, optical module to be measured is connected with spectrometer with peripheral control/input/output interface module, high speed signal interface module, and described usb interface module is connected with master control PC.
The high speed signal interface module of test motherboard will produce the modulation signal input of the high-speed radio-frequency signal of analyzer generation as optical module to be measured by signal, to drive the light signal that optical module transmitting terminal to be measured generates same-code, simultaneously, with the error code input that optical module to be measured produces analyzer by the converted high-speed radio-frequency signal of the light signal of receiving terminal as signal, the major part of this module is the designing impedance matching to high speed signal; Peripheral control/input/output interface module is connected to digital multimeter voltage measurement passage with the SignalDetect/Loss of Signal output signal of optical module to be measured, judge the power of optical module receiving terminal light signal to be measured, the digital multimeter measurement that reads automatically able to programme by the size of this signal; Power module is connected to the digital DC power supply, digital DC power supply automatic setting output voltage able to programme and read optical module power consumption to be measured stream; Micro controller module links to each other with optical module to be measured by the I2C interface, links to each other with master control PC by USB interface, realizes the mutual protocol conversion of USB to I2C; Digital multimeter, digital DC power supply are connected to master control PC by the GPIB cable.
Signal produces analyzer and is used to produce test patterns type that is fit to optical module network application to be measured and the code element that check and analysis receive, its code element output is connected to light source by the radio frequency cable, the code element input is connected to test motherboard high speed signal interface module output by the radio frequency cable, signal produces the code element input/output terminal clock synchronization of analyzer, and its yard type, Baud Length, bit error analyzing cycle autoprogrammable are set; The light signal of light source output is transmitted through the fiber to optical attenuator, optical attenuator pad value programmable, the light signal of optical attenuator output is connected to spectrometer by optical fiber, and spectrometer is divided into two-way with light, one the road is connected to optical module receiving terminal to be measured, and one the road is connected to the programmable optical power meter; Optical module to be measured is converted to the high-speed radio-frequency signal with the light signal that receives; The high-speed radio-frequency signal that the test motherboard generates optical module to be measured is connected to signal and produces analyzer, as the input signal of Error detection; Signal generation analyzer, optical attenuator, light power meter are connected to master control PC by the GPIB cable; The test motherboard is connected to master control PC by the USB cable.
Signal produces analyzer code element output and is connected to test motherboard high speed signal interface module input by the radio frequency cable, the high-speed radio-frequency signal of its generation drives optical module transmitting terminal to be measured and generates the light signal with same-code information as the modulation signal input of optical module to be measured; Light signal is connected to spectrometer by optical fiber, and spectrometer is divided into two-way with light, and one the road is connected to the eye pattern analyzer, and one the road is connected to spectroanalysis instrument; Eye pattern analyzer, spectroanalysis instrument are connected to master control PC by the GPIB cable.
Signal produces the high speed test sign indicating number type signal TO that analyzer produces, insert optical module to be measured by test motherboard high speed signal interface module, it is imported as optical module modulation signal to be measured, drive optical module transmitting terminal to be measured and generate light signal ST0 with same-code information, ST0 is divided into ST1 after arriving spectrometer through optical fiber, ST2 two-way branched optical cable signal, ST1 is sent to the eye pattern analyzer, ST2 is sent to spectroanalysis instrument, testing software reads spectrum parameters such as light signal centre wavelength in real time from spectroanalysis instrument by the GPIB communication interface, read average light power in real time from the eye pattern analyzer, light eye pattern extinction ratio, the light eye pattern intersects and compares, optical signal property parameters such as light eye pattern eyeshade capacity.Spectrometer beam split proportionality coefficient is fixed, so the optical attenuation of ST0 to ST1 is fixed.It promptly is that optical module to be measured is truly exported average light power that the average light power that reads is in real time revised through this fixed attenuation compensation.
The high speed test sign indicating number type signal RO that signal produces the analyzer generation inserts light source by radio frequency cable, driving light source generates the light signal with same-code information, light signal is output as SR0 after decaying through optical attenuator, SR0 is divided into SR1, SR2 two-way branched optical cable signal after arriving spectrometer through optical fiber, SR1 is admitted to optical module receiving terminal to be measured, and SR2 is admitted to light power meter.SR1 becomes high-speed electrical signals after through optical module to be measured conversion, produces analyzer Error detection input signal RI as signal, signal produce analyzer one by one bit calculate the error rate in real time relatively behind RO and the RI signal.Spectrometer beam split proportionality coefficient is fixed, so SR1 and SR2 luminous power ratio fixes, and is that available this ratio relation calculates SR1 after light power meter is read SR2.Testing software is by setting the optical attenuator pad value, change optical module receiving terminal incident optical power to be measured, and produce on analyzer and the light power meter read error rate and optical power value in real time from signal, after finding out the power points that meets the error rate requirement data of gathering are done the curve match, can obtain meeting the Sensitirity va1ue of error rate test standard.Testing software continues to change the optical attenuator pad value, optical module receiving terminal incident optical power to be measured is progressively died down, and judgement digital multimeter measurement, expection saltus step (dissimilar optical module saltus step trend difference takes place until measurement, but principle is identical), measure SR2 this moment and the SR1 that calculates is alerting light power.Testing software continues to change the optical attenuator pad value, make progressively grow of optical module receiving terminal incident optical power to be measured, and judgement digital multimeter measurement, expection saltus step (dissimilar optical module saltus step trend difference takes place until measurement, but principle is identical), measure SR2 this moment and the SR1 that calculates is alerting light power.
As shown in Figure 2, comprise following testing procedure:(1) intersects ratio → test eye pattern eyeshade capacity → numerical diagnostic functional test → numerical diagnostic functional test → storage → end if beginning → importing module information → importing test specification → initialization test device → test separately transmitting terminal → Y then tests average light power → test extinction ratio → test eye pattern; (2) if the N of beginning → importing module information → importing test specification → initialization test device → test separately transmitting terminal → if not then tests then sensitivity test of receiving terminal → Y → alerting light power test → go alerting light power test → numerical diagnostic functional test → numerical diagnostic functional test → storage → end separately; (3) then launch and receive one test → Y and then begin sensitivity test → test eye pattern eyeshade capacity → sensitivity test and finish → alerting light power test → go alerting light power test → test average light power → test extinction ratio → test eye pattern intersection ratio → digital diagnosis function test → digital diagnosis function test → data to store → end if the N of beginning → import module information → importings test specification → initialization test device → test separately transmitting terminal → if not then tests separately the N of receiving terminal → if not; (4) N of beginning → importing module information → importing test specification → initialization test device → test separately transmitting terminal → if not then tests the N of receiving terminal → if not separately and then launches and receive one test → N then finishes if not.By the control of testing software flexibly, the present invention can carry out fast that transmitting terminal is tested separately, receiving terminal is tested separately, launch and receive the one test.
The present invention has effectively improved testing efficiency, test process consistency and test accuracy, reduces the influence of tester's human factor.Simultaneously, the tester there is not very high technical ability requirement, easy to implement.
Claims (3)
1. optical module transceiver automatization test system, it is characterized in that: comprise testing apparatus and testing software, described testing apparatus comprises that signal produces analyzer, light source, optical attenuator, spectrometer, light power meter, the eye pattern analyzer, spectroanalysis instrument, digital multimeter, the digital DC power supply, test motherboard and master control PC, signal produces analyzer and light source, optical attenuator, light power meter, the eye pattern analyzer, spectroanalysis instrument, digital multimeter, the digital DC power supply is connected with the test motherboard, spectrometer, digital multimeter, the digital DC power supply is connected with the test motherboard respectively, and optical module to be measured is arranged on the test motherboard; Signal produces analyzer and is connected to the test motherboard by the radio frequency cable; Described testing software operates on the master control PC, includes communication interface module, instrument and equipment control module, transmitting terminal test module, receiving terminal test module, numerical diagnostic functional test module, testing process control module, test specification download module, data memory module.
2. optical module transceiver automatization test system according to claim 1, it is characterized in that: described signal produces analyzer and is connected to light source by radio frequency cable, the light of light source output is transmitted through the fiber to optical attenuator, the light of optical attenuator output is connected to spectrometer by optical fiber, spectrometer is divided into two-way with light, one the road is connected to optical module receiving terminal to be measured, and one the road is connected to light power meter; The light of optical module transmitting terminal output to be measured is connected to spectrometer by optical fiber, and spectrometer is divided into two-way with light, and one the road is connected to the eye pattern analyzer, and one the road is connected to spectroanalysis instrument; The test motherboard is connected to digital multimeter by annealed copper wire; The output of digital DC power supply is connected to the test motherboard by annealed copper wire; The test motherboard is connected to master control PC by the USB cable; Signal generation analyzer, optical attenuator, light power meter, eye pattern analyzer, spectroanalysis instrument, digital multimeter, digital DC power supply are connected to master control PC by the GPIB cable.
3. optical module transceiver automatization test system according to claim 1 and 2, it is characterized in that: described test motherboard comprises micro controller module, usb interface module, power module, peripheral control/input/output interface module, the high speed signal interface module, micro controller module respectively with optical module to be measured, usb interface module is connected with peripheral control/input/output interface module, the high speed signal interface module produces analyzer with signal and is connected, optical module to be measured and peripheral control/input/output interface module, the high speed signal interface module is connected with spectrometer, and described usb interface module is connected with master control PC.
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| CN102546006A (en) * | 2011-12-28 | 2012-07-04 | 成都优博创技术有限公司 | Optical module screening device and method based on extinction ratio |
| CN102608520A (en) * | 2012-03-08 | 2012-07-25 | 无锡华大国奇科技有限公司 | Chip testing system based on USB-IIC (universal serial bus to inter-integrated circuit) protocol |
| CN103023562A (en) * | 2012-12-28 | 2013-04-03 | 武汉电信器件有限公司 | System and method for testing single-fiber bidirectional optical modules |
| CN103746736A (en) * | 2013-12-13 | 2014-04-23 | 成都九洲迪飞科技有限责任公司 | Integrated test system for 14 channel optical fiber data transmission TR equipment |
| CN104836616A (en) * | 2015-05-25 | 2015-08-12 | 烽火通信科技股份有限公司 | System and method for automated testing of limit optical signal to noise ratio in optical transport network |
| CN105429699A (en) * | 2015-12-11 | 2016-03-23 | 中国电子科技集团公司第四十一研究所 | Optical network parameter testing and diagnosing device and method |
| CN105978623A (en) * | 2016-06-28 | 2016-09-28 | 成都启源电子信息技术有限公司 | System for calculating insertion loss of optical fibre connector |
| CN106209219A (en) * | 2016-06-28 | 2016-12-07 | 成都启源电子信息技术有限公司 | Joints of optical fibre insertion loss detecting system |
| CN107181523A (en) * | 2017-04-27 | 2017-09-19 | 烽火通信科技股份有限公司 | A kind of optical module detecting system and detection method |
| CN107196700A (en) * | 2017-07-12 | 2017-09-22 | 深圳市吉祥腾达科技有限公司 | It is a kind of at the same commissioning optical module transmitting and receive apparatus and method |
| CN108365888A (en) * | 2018-02-01 | 2018-08-03 | 四川泰瑞创通讯技术股份有限公司 | The device of test light module performance |
| CN108833008A (en) * | 2018-09-29 | 2018-11-16 | 武汉亿德光兴科技有限公司 | A kind of optical module receiving end performance testing device |
| CN109560986A (en) * | 2018-11-23 | 2019-04-02 | 赛尔通信服务技术股份有限公司 | Test method, device and the test macro of things-internet gateway equipment |
| CN110557194A (en) * | 2019-07-31 | 2019-12-10 | 中电科仪器仪表有限公司 | Multithreading-based modular light wave parameter testing system and method |
| CN113092867A (en) * | 2021-03-29 | 2021-07-09 | 上海橙科微电子科技有限公司 | Method, system and medium for testing continuity of impedance of light module transmission system through square wave |
| CN113541778A (en) * | 2021-07-13 | 2021-10-22 | 深圳恒朴光电科技有限公司 | Automatic testing system and method for optical module |
| CN113824496A (en) * | 2021-11-24 | 2021-12-21 | 武汉普赛斯电子技术有限公司 | Test method and test device for Combo optical device |
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Cited By (23)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102546006A (en) * | 2011-12-28 | 2012-07-04 | 成都优博创技术有限公司 | Optical module screening device and method based on extinction ratio |
| CN102546006B (en) * | 2011-12-28 | 2014-07-30 | 成都优博创技术有限公司 | Optical module screening device and method based on extinction ratio |
| CN102608520A (en) * | 2012-03-08 | 2012-07-25 | 无锡华大国奇科技有限公司 | Chip testing system based on USB-IIC (universal serial bus to inter-integrated circuit) protocol |
| CN103023562A (en) * | 2012-12-28 | 2013-04-03 | 武汉电信器件有限公司 | System and method for testing single-fiber bidirectional optical modules |
| CN103023562B (en) * | 2012-12-28 | 2015-09-30 | 武汉电信器件有限公司 | A kind of test macro of simplex optical module and method of testing |
| CN103746736A (en) * | 2013-12-13 | 2014-04-23 | 成都九洲迪飞科技有限责任公司 | Integrated test system for 14 channel optical fiber data transmission TR equipment |
| CN103746736B (en) * | 2013-12-13 | 2016-08-24 | 成都九洲迪飞科技有限责任公司 | 14 channel fiber data transmission TR equipment complex test systems |
| CN104836616A (en) * | 2015-05-25 | 2015-08-12 | 烽火通信科技股份有限公司 | System and method for automated testing of limit optical signal to noise ratio in optical transport network |
| CN104836616B (en) * | 2015-05-25 | 2017-08-01 | 烽火通信科技股份有限公司 | The system and method for limit OSNR automatic test in a kind of optical transfer network |
| CN105429699A (en) * | 2015-12-11 | 2016-03-23 | 中国电子科技集团公司第四十一研究所 | Optical network parameter testing and diagnosing device and method |
| CN106209219A (en) * | 2016-06-28 | 2016-12-07 | 成都启源电子信息技术有限公司 | Joints of optical fibre insertion loss detecting system |
| CN105978623A (en) * | 2016-06-28 | 2016-09-28 | 成都启源电子信息技术有限公司 | System for calculating insertion loss of optical fibre connector |
| CN107181523A (en) * | 2017-04-27 | 2017-09-19 | 烽火通信科技股份有限公司 | A kind of optical module detecting system and detection method |
| CN107196700A (en) * | 2017-07-12 | 2017-09-22 | 深圳市吉祥腾达科技有限公司 | It is a kind of at the same commissioning optical module transmitting and receive apparatus and method |
| CN108365888A (en) * | 2018-02-01 | 2018-08-03 | 四川泰瑞创通讯技术股份有限公司 | The device of test light module performance |
| CN108833008A (en) * | 2018-09-29 | 2018-11-16 | 武汉亿德光兴科技有限公司 | A kind of optical module receiving end performance testing device |
| CN108833008B (en) * | 2018-09-29 | 2021-04-13 | 武汉亿德光兴科技有限公司 | Optical module receiving terminal performance testing device |
| CN109560986A (en) * | 2018-11-23 | 2019-04-02 | 赛尔通信服务技术股份有限公司 | Test method, device and the test macro of things-internet gateway equipment |
| CN110557194A (en) * | 2019-07-31 | 2019-12-10 | 中电科仪器仪表有限公司 | Multithreading-based modular light wave parameter testing system and method |
| CN113092867A (en) * | 2021-03-29 | 2021-07-09 | 上海橙科微电子科技有限公司 | Method, system and medium for testing continuity of impedance of light module transmission system through square wave |
| CN113541778A (en) * | 2021-07-13 | 2021-10-22 | 深圳恒朴光电科技有限公司 | Automatic testing system and method for optical module |
| CN113824496A (en) * | 2021-11-24 | 2021-12-21 | 武汉普赛斯电子技术有限公司 | Test method and test device for Combo optical device |
| CN113824496B (en) * | 2021-11-24 | 2022-03-11 | 武汉普赛斯电子技术有限公司 | Test method and test device for Combo optical device |
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Application publication date: 20110817 |