CN113541778A - Automatic testing system and method for optical module - Google Patents
Automatic testing system and method for optical module Download PDFInfo
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- CN113541778A CN113541778A CN202110791828.3A CN202110791828A CN113541778A CN 113541778 A CN113541778 A CN 113541778A CN 202110791828 A CN202110791828 A CN 202110791828A CN 113541778 A CN113541778 A CN 113541778A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B10/00—Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
- H04B10/07—Arrangements for monitoring or testing transmission systems; Arrangements for fault measurement of transmission systems
- H04B10/073—Arrangements for monitoring or testing transmission systems; Arrangements for fault measurement of transmission systems using an out-of-service signal
- H04B10/0731—Testing or characterisation of optical devices, e.g. amplifiers
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B10/00—Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
- H04B10/07—Arrangements for monitoring or testing transmission systems; Arrangements for fault measurement of transmission systems
- H04B10/075—Arrangements for monitoring or testing transmission systems; Arrangements for fault measurement of transmission systems using an in-service signal
- H04B10/079—Arrangements for monitoring or testing transmission systems; Arrangements for fault measurement of transmission systems using an in-service signal using measurements of the data signal
- H04B10/0791—Fault location on the transmission path
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Abstract
The invention provides an automatic optical module testing system and a testing method, which comprise a PC (personal computer), a spectral characteristic testing module, an optical power testing module, an eye pattern testing module, a sensitivity testing module and an overload point testing module, wherein the spectral characteristic testing module, the optical power testing membrane block, the eye pattern testing module, the sensitivity testing module, an LOS (remote input/output) testing module and the overload point testing module are all connected with the PC. The invention aims to optimize and integrate processes and improve the testing efficiency, the automatic testing is mainly controlled by a PC (personal computer), manual operation links such as operating instruments and data recording are released, so that a single person can operate a plurality of testing platforms, the automatic testing system does not need manual frequent contact equipment, the damage and loss to precision instruments in the production process are greatly reduced, and the testing efficiency is improved.
Description
Technical Field
The invention belongs to the field of optical communication, and particularly relates to an automatic test system and a test method for an optical module.
Background
In the conventional optical module production test, manual test is common, in the manual test, various instruments exist independently, each instrument corresponds to one function of the optical module, compared with the automatic test, the manual test has complicated and complicated procedures due to more test items, a single person can only operate or observe one instrument of one procedure to test a product in the same time, and the test method is very dependent on the proficiency of staff, so that a great amount of manpower is required to be invested in completing all tests. The error rate of manual testing is relatively high, and errors and omissions are easy to occur in the recording and analysis of test data.
Disclosure of Invention
The invention aims to provide an automatic optical module testing system and an automatic optical module testing method, and aims to solve the problems of high error rate and high labor consumption in manual testing.
The invention is realized in this way, an optical module automatic test system, including PC, spectral characteristic test module, optical power test module, eye pattern test module, sensitivity test module and overload point test module, the said spectral characteristic test module, optical power test membrane block, eye pattern test module, sensitivity test module, LOS test module and overload point test module are all connected with said PC;
a spectral characteristic module: measuring the wavelength, the spectrum width and the side mode suppression ratio of a module to be measured through a spectrometer;
the optical power testing module: measuring optical power by an optical power meter;
eye pattern test module: measuring the eye pattern information of the module to be measured through the eye pattern instrument, and performing matching calibration on the eye pattern data;
the sensitivity testing module: comparing the sensitivity of the error rate test under different optical powers by the optical attenuator and the error code detector;
and an LOS test module: measuring whether the signal loss indication and the signal loss recovery indication index of the module to be measured reach the standard or not;
overload point test module: the overload point was tested and recorded by the optical attenuator and the error code meter and the OMA value was calculated.
The further technical scheme of the invention is as follows: the optical module automatic test system also comprises a TX calibration module, an RX calibration module and a temperature calibration module, wherein the TX calibration module, the RX calibration module and the temperature calibration module are all connected with the PC;
a TX scaling module: modifying relevant parameters of a to-be-tested module TX, reading a plurality of groups of data, fitting a straight line, obtaining calibration parameters, and writing the calibration parameters into the to-be-tested module;
an RX scaling module: reading a plurality of groups of value fitting straight lines by modifying the attenuation of the light attenuation to obtain calibration parameters and writing the calibration parameters into a module;
a temperature calibration module: and recording the temperature of the module to be tested and the temperature of the shell of the heat flow meter, and checking the temperature points.
The further technical scheme of the invention is as follows: the automatic optical module testing system also comprises a database module, a man-machine interaction module and a fault monitoring module, wherein the database module, the man-machine interaction module and the fault monitoring module are all connected with the PC;
a database module: storing the data tested by the PC;
a human-computer interaction module: realizing the interactive operation between an operator and the PC;
a fault monitoring module: and analyzing and backtracking the data of the database module, and positioning the fault part of the module to be tested.
Another objective of the present invention is to provide a testing method for an optical module automated testing system, which includes the following steps:
s1: loading a configuration file by the PC, checking the connection condition of the test module and calibrating the test module;
s2: switching an optical switch, and recording the spectral characteristics of the module to be tested through a spectrometer;
s3: switching an optical switch, and recording the optical power of the module to be tested through an optical power meter;
s4: the module to be tested combines the test board to convert the high-speed electrical signal provided by the error code instrument into an optical signal, the optical signal is accessed into the optical oscillograph through an optical fiber jumper, a Trigger end of the error code instrument accesses the synchronous clock signal into the optical oscillograph to form an eye pattern on the optical oscillograph, the optical oscillograph selects the filter speed and the central wavelength corresponding to the module to be tested, and a proper eye pattern template is selected from the database module to match the formed eye pattern to generate eye pattern data of the module to be tested;
s5: switching an optical switch, modifying related parameters of a module to be tested TX through an optical power meter, recording optical power, obtaining a plurality of groups of data, fitting a straight line or a curve, obtaining calibration parameters, and writing the calibration parameters into the module to be tested;
s6: setting an alarm value in a sensitivity test module, calibrating a received optical power value, detecting the optical power value of a receiving end of the test module under a specific bit error rate by adjusting a programmable optical attenuator, obtaining the bit error rate under a plurality of optical power conditions by adjusting the optical attenuator, and estimating the sensitivity by adopting curve fitting;
s7: reading a plurality of groups of value fitting straight lines by the light power of each channel of the light source after light attenuation to obtain RX calibration parameters and writing the RX calibration parameters into a module;
s8: setting an alarm threshold value through comparison, monitoring the optical power by an optical attenuator, measuring whether a signal loss indication and a signal loss recovery indication of the module to be tested reach the standard or not, and writing the indication into the module to be tested;
s9: detecting the temperature of the module to be detected, reporting the temperature to a PC (personal computer), and recording the temperature of the shell of the heat flow meter;
s10: and opening an optical switch, monitoring and adjusting the optical power through an optical attenuator, reading the error rate of the error code meter, recording an overload point, and calculating a sensitivity value.
The further technical scheme of the invention is as follows: in step S1, the configuration file includes an IP address, a port number, a single/dual mode, a wavelength, and an eye pattern template database address of the device.
The further technical scheme of the invention is as follows: the step S1 includes the steps of:
s11: detecting whether the configuration file is loaded completely, if the loading fails, prompting to check a path of the configuration file and quitting, and if the loading succeeds, entering the step S12;
s12: connecting a test module according to the configuration file, detecting whether the connection is successful, prompting reconnection or exiting the program after prompting the failed equipment information if the connection is failed, and entering the step S13 if the connection is successful;
s13: and calibrating specific parameters of the test module, displaying whether calibration is completed or not after calibration, prompting whether recalibration is performed or not if calibration fails, and entering step S2 if calibration succeeds.
The further technical scheme of the invention is as follows: the spectral characteristics in step S2 include wavelength, spectral width, and side mode suppression ratio.
The further technical scheme of the invention is as follows: in step S4, the eye diagram data includes an extinction ratio, an OMA value, and a Margin value.
The further technical scheme of the invention is as follows: and repeating the steps S1-S8 at different temperatures to measure the test values of the module to be tested at different temperatures, and repeating the steps S2-S8 at three voltages at each temperature to measure the test values at different voltages.
The further technical scheme of the invention is as follows: after the test is finished, the PC calibrates the optical power monitoring values of the optical power meter and the optical attenuator and compensates the monitoring data with deviation.
The invention has the beneficial effects that: the invention aims to optimize and integrate working procedures and improve the testing efficiency, the automatic testing is mainly controlled by a PC (personal computer), manual operation links such as operating instruments and data recording are released, so that a single person can operate a plurality of testing platforms, the damage and loss to precise instruments in the production process are greatly reduced because an automatic testing system does not need manual frequent contact equipment, meanwhile, the investment cost to the instruments and equipment is reduced under the same productivity due to the improvement of the testing efficiency, in addition, the automatic testing can be stored in real time, a large amount of testing data is analyzed, and the tracing and fault positioning of the testing data of the optical module can be easily realized through specific numbering.
Drawings
Fig. 1 is a connection diagram of detection modules according to an embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be noted that the terms "front," "back," "left," "right," "upper" and "lower" used in the following description refer to directions in the drawings, and the terms "bottom" and "top," "inner" and "outer" refer to directions toward and away from, respectively, the geometric center of a particular component.
Fig. 1 shows an optical module automatic test system provided by the present invention, which includes a PC, a spectral characteristic test module, an optical power test module, an eye pattern test module, a sensitivity test module, and an overload point test module, where the spectral characteristic test module, the optical power test membrane block, the eye pattern test module, the sensitivity test module, an LOS test module, and the overload point test module are all connected to the PC;
a spectral characteristic module: measuring the wavelength, the spectrum width and the side mode suppression ratio of a module to be measured through a spectrometer;
the optical power testing module: measuring optical power by an optical power meter;
eye pattern test module: measuring the eye pattern information of the module to be measured through the eye pattern instrument, and performing matching calibration on the eye pattern data;
the sensitivity testing module: comparing the sensitivity of the error rate test under different optical powers by the optical attenuator and the error code detector;
and an LOS test module: measuring whether the signal loss indication and the signal loss recovery indication index of the module to be measured reach the standard or not;
overload point test module: the overload point was tested and recorded by the optical attenuator and the error code meter and the OMA value was calculated.
Preferably, the optical module automatic test system further comprises a TX calibration module, an RX calibration module and a temperature calibration module, and the TX calibration module, the RX calibration module and the temperature calibration module are all connected to the PC;
a TX scaling module: modifying relevant parameters of a to-be-tested module TX, reading a plurality of groups of data, fitting a straight line, obtaining calibration parameters, and writing the calibration parameters into the to-be-tested module;
an RX scaling module: reading a plurality of groups of value fitting straight lines by modifying the attenuation of the light attenuation to obtain calibration parameters and writing the calibration parameters into a module;
a temperature calibration module: and recording the temperature of the module to be tested and the temperature of the shell of the heat flow meter, and checking the temperature points.
Preferably, the automatic optical module testing system further comprises a database module, a human-computer interaction module and a fault monitoring module, wherein the database module, the human-computer interaction module and the fault monitoring module are all connected with the PC;
a database module: storing the data tested by the PC;
a human-computer interaction module: realizing the interactive operation between an operator and the PC;
a fault monitoring module: and analyzing and backtracking the data of the database module, and positioning the fault part of the module to be tested.
The invention also provides a testing method of the optical module automatic testing system, which comprises the following steps:
s1: loading a configuration file by the PC, checking the connection condition of the test module and calibrating the test module;
s2: switching an optical switch, and recording the spectral characteristics of the module to be tested through a spectrometer;
s3: switching an optical switch, and recording the optical power of the module to be tested through an optical power meter;
s4: the module to be tested combines the test board to convert the high-speed electrical signal provided by the error code instrument into an optical signal, the optical signal is accessed into the optical oscillograph through an optical fiber jumper, a Trigger end of the error code instrument accesses the synchronous clock signal into the optical oscillograph to form an eye pattern on the optical oscillograph, the optical oscillograph selects the filter speed and the central wavelength corresponding to the module to be tested, and a proper eye pattern template is selected from the database module to match the formed eye pattern to generate eye pattern data of the module to be tested;
s5: switching an optical switch, modifying related parameters of a module to be tested TX through an optical power meter, recording optical power, obtaining a plurality of groups of data, fitting a straight line or a curve, obtaining calibration parameters, and writing the calibration parameters into the module to be tested;
s6: setting an alarm value in a sensitivity test module, calibrating a received optical power value, detecting the optical power value of a receiving end of the test module under a specific bit error rate by adjusting a programmable optical attenuator, obtaining the bit error rate under a plurality of optical power conditions by adjusting the optical attenuator, and estimating the sensitivity by adopting curve fitting;
s7: reading a plurality of groups of value fitting straight lines by the light power of each channel of the light source after light attenuation to obtain RX calibration parameters and writing the RX calibration parameters into a module;
s8: setting an alarm threshold value through comparison, monitoring the optical power by an optical attenuator, measuring whether a signal loss indication and a signal loss recovery indication of the module to be tested reach the standard or not, and writing the indication into the module to be tested;
s9: detecting the temperature of the module to be detected, reporting the temperature to a PC (personal computer), and recording the temperature of the shell of the heat flow meter;
s10: and opening an optical switch, monitoring and adjusting the optical power through an optical attenuator, reading the error rate of the error code meter, recording an overload point, and calculating a sensitivity value.
Preferably, in step S1, the configuration file includes an IP address, a port number, a single/dual mode, a wavelength, and an eye pattern database address of the device.
Preferably, the step S1 includes the steps of:
s11: detecting whether the configuration file is loaded completely, if the loading fails, prompting to check a path of the configuration file and quitting, and if the loading succeeds, entering the step S12;
s12: connecting a test module according to the configuration file, detecting whether the connection is successful, prompting reconnection or exiting the program after prompting the failed equipment information if the connection is failed, and entering the step S13 if the connection is successful;
s13: and calibrating specific parameters of the test module, displaying whether calibration is completed or not after calibration, prompting whether recalibration is performed or not if calibration fails, and entering step S2 if calibration succeeds.
Preferably, the spectral characteristics in step S2 include wavelength, spectral width, and side mode suppression ratio.
Preferably, in step S4, the eye diagram data includes an extinction ratio, an OMA value, and a Margin value.
Preferably, the steps S1-S8 are repeated at different temperatures to measure the test values of the module under test at different temperatures, and the steps S2-S8 are repeated at three voltages at each temperature to measure the test values at different voltages.
Preferably, after the test is finished, the PC calibrates the optical power monitoring values of the optical power meter and the optical attenuator, and compensates for the monitor data with a deviation.
The invention provides an automatic optical module testing system and a testing method, which integrate the spectral characteristic testing module, the optical power testing module, the eye pattern testing module, the sensitivity testing module and the overload point testing module in one system, so that various tests can be carried out on one instrument, an operator only inserts and pulls out the module and an optical fiber, the testing stations basically realize automatic tests, the manual participation rate is reduced, the problem of high manual testing error rate is solved, the recording and analysis of testing data are more convenient, and errors and omissions are avoided.
During testing, equipment initialization is firstly carried out, configuration files are loaded on the PC, the configuration files comprise configuration information such as IP addresses, port numbers, single/double modes, wavelengths, eye pattern template database addresses and the like of the equipment, and if loading fails, a configuration file path is prompted to be checked and quit. And then, connecting equipment of the test module according to the configuration file, detecting whether the connection is successful, prompting reconnection or quitting the program if the failure prompts failed equipment information, calibrating specific parameters of the test module, calibrating the specific design of the specific equipment of the flow, displaying whether the calibration is completed or not after the calibration is failed, and prompting whether the calibration is re-calibrated or not after the calibration is failed.
And testing each module after initialization.
(1) And switching an optical switch through a TX end of the module to be tested, recording the spectral characteristics of the module to be tested, including wavelength, spectral width and side mode suppression ratio, through a spectrometer, and recording the spectrum to be stored in the database module.
(2) And switching the optical switch through the TX end of the module to be tested, and recording the optical power of the module to be tested through the optical power meter.
(3) The module to be tested is combined with the test board to convert a high-speed electric signal provided by the error code instrument into an optical signal, the optical signal is accessed into the optical oscillograph through an optical fiber jumper, meanwhile, a Trigger end of the error code instrument accesses a synchronous clock signal into the optical oscillograph, signal synchronization is realized, and an eye pattern is formed on the optical oscillograph. The optical oscillograph needs to select the filter rate and the center wavelength corresponding to an optical module to be tested, a proper eye pattern template is selected to match a formed eye pattern, a test system sends generated eye pattern information (transmitting optical power, extinction ratio, eye pattern rising and falling time, eye pattern intersection points and the like) to the PC through a GBIP bus, optical switch switching is carried out through a TX end of the module to be tested, and eye pattern data (extinction ratio, OMA and Margin) are recorded through an eye pattern instrument. Wherein the eye diagram needs to satisfy ER >4 and Margin >5% to be kept to the database module, otherwise relevant parameters are modified and tested again.
(4) And switching an optical switch through a TX end of the module to be tested, modifying relevant parameters of the TX of the module to be tested by adopting an optical power meter, recording optical power, starting to fit a straight line (curve) after obtaining multiple groups of data, writing obtained calibration parameters into the module to be tested, and verifying at normal temperature in the process.
(5) The receiving end of the module to be tested mainly carries out sensitivity test. Generally, a standard optical module is selected as a standard light emission source, and a high-speed electrical signal generated based on an error code detector drives an optical module emission end to generate a standard signal source through a test board. The sensitivity test needs a programmable optical attenuator to perform power attenuation on signals, so that the receiving end of the optical module receives signals with different powers, and finally, the error rate under different optical powers is compared by an error code meter to complete the sensitivity test. In the testing process, an alarm value is set firstly, the received light power DMM value of the module is calibrated, and the optical power value, namely the sensitivity index, of the module at a receiving end with a specific bit error rate (for example, BRT = 10-12) is detected by adjusting a programmable optical attenuator. In the actual test process, the error rate under a plurality of optical power conditions is generally obtained by adjusting an optical attenuator, and then the sensitivity of the module is estimated by adopting methods such as curve fitting and the like.
(6) RX scaling: the light power of each channel of the light source passing through the light attenuation can be used, the attenuation of the light attenuation is modified, a plurality of groups of value fitting straight lines are read (the attenuated light power is set according to needs, such as-3 dbm, -6dbm, -9 dbm) to obtain calibration parameters, and the calibration parameters are written into the module and verified at normal temperature.
(7) LOS test: and comparing the set alarm threshold values to determine whether indexes such as a loss of signal indication (Los Assert) and a loss of signal recovery indication (Los Dessert) of the measurement module reach the standard or not. The test method comprises the following steps: switching the optical switch through the TX end of the module to be tested, monitoring the optical power by using the optical attenuator, and testing the LOS Assert, LOS De-Assert and LOS hysteris values of the module to be tested
(8) Temperature calibration: the recording module reports the temperature, records the temperature of the shell of the heat flow meter, records the three temperatures, then calibrates and verifies the temperature points.
(9) And repeating the steps S1-S8 at different temperatures to measure the test values of the module to be tested at different temperatures, and repeating the steps S2-S8 at three voltages at each temperature to measure the test values at different voltages.
(10) Overload point (30 kmm) test: and opening an optical switch, monitoring and adjusting the optical power through an optical attenuator, reading the error rate of the error code meter, recording an overload point, calculating a sensitivity value, and performing at normal temperature.
Through the test of the process, the spectral characteristic, the optical power, the eye diagram data, the sensitivity, the LOS value and the overload point of the module to be tested can be recorded at one time and stored in the database module, so that a lot of test time is saved, and after the test is finished, the PC can automatically calibrate the test module, including calibrating the optical power monitoring values of the optical power meter and the optical attenuator, compensate the deviated monitoring data, and ensure the reliability of the next detection data.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.
Claims (10)
1. An automatic optical module test system is characterized by comprising a PC, a spectral characteristic test module, an optical power test module, an eye pattern test module, a sensitivity test module and an overload point test module, wherein the spectral characteristic test module, the optical power test module, the eye pattern test module, the sensitivity test module, the LOS test module and the overload point test module are all connected with the PC;
a spectral characteristic module: measuring the wavelength, the spectrum width and the side mode suppression ratio of a module to be measured through a spectrometer;
the optical power testing module: measuring optical power by an optical power meter;
eye pattern test module: measuring the eye pattern information of the module to be measured through the eye pattern instrument, and performing matching calibration on the eye pattern data;
the sensitivity testing module: comparing the sensitivity of the error rate test under different optical powers by the optical attenuator and the error code detector;
and an LOS test module: measuring whether the signal loss indication and the signal loss recovery indication index of the module to be measured reach the standard or not;
overload point test module: the overload point was tested and recorded by the optical attenuator and the error code meter and the OMA value was calculated.
2. The optical module automatic test system according to claim 1, further comprising a TX calibration module, an RX calibration module and a temperature calibration module, wherein the TX calibration module, the RX calibration module and the temperature calibration module are all connected to the PC;
a TX scaling module: modifying relevant parameters of a to-be-tested module TX, reading a plurality of groups of data, fitting a straight line, obtaining calibration parameters, and writing the calibration parameters into the to-be-tested module;
an RX scaling module: reading a plurality of groups of value fitting straight lines by modifying the attenuation of the light attenuation to obtain calibration parameters and writing the calibration parameters into a module;
a temperature calibration module: and recording the temperature of the module to be tested and the temperature of the shell of the heat flow meter, and checking the temperature points.
3. The optical module automatic test system of claim 1, further comprising a database module, a human-computer interaction module and a fault monitoring module, wherein the database module, the human-computer interaction module and the fault monitoring module are all connected to the PC;
a database module: storing the data tested by the PC;
a human-computer interaction module: realizing the interactive operation between an operator and the PC;
a fault monitoring module: and analyzing and backtracking the data of the database module, and positioning the fault part of the module to be tested.
4. A testing method of an optical module automation testing system as claimed in any one of claims 1 to 3, characterized by comprising the following steps:
s1: loading a configuration file by the PC, checking the connection condition of the test module and calibrating the test module;
s2: switching an optical switch, and recording the spectral characteristics of the module to be tested through a spectrometer;
s3: switching an optical switch, and recording the optical power of the module to be tested through an optical power meter;
s4: the module to be tested combines the test board to convert the high-speed electrical signal provided by the error code instrument into an optical signal, the optical signal is accessed into the optical oscillograph through an optical fiber jumper, a Trigger end of the error code instrument accesses the synchronous clock signal into the optical oscillograph to form an eye pattern on the optical oscillograph, the optical oscillograph selects the filter speed and the central wavelength corresponding to the module to be tested, and a proper eye pattern template is selected from the database module to match the formed eye pattern to generate eye pattern data of the module to be tested;
s5: switching an optical switch, modifying related parameters of a module to be tested TX through an optical power meter, recording optical power, obtaining a plurality of groups of data, fitting a straight line or a curve, obtaining calibration parameters, and writing the calibration parameters into the module to be tested;
s6: setting an alarm value in a sensitivity test module, calibrating a received optical power value, detecting the optical power value of a receiving end of the test module under a specific bit error rate by adjusting a programmable optical attenuator, obtaining the bit error rate under a plurality of optical power conditions by adjusting the optical attenuator, and estimating the sensitivity by adopting curve fitting;
s7: reading a plurality of groups of value fitting straight lines by the light power of each channel of the light source after light attenuation to obtain RX calibration parameters and writing the RX calibration parameters into a module;
s8: setting an alarm threshold value through comparison, monitoring the optical power by an optical attenuator, measuring whether a signal loss indication and a signal loss recovery indication of the module to be tested reach the standard or not, and writing the indication into the module to be tested;
s9: detecting the temperature of the module to be detected, reporting the temperature to a PC (personal computer), and recording the temperature of the shell of the heat flow meter;
s10: and opening an optical switch, monitoring and adjusting the optical power through an optical attenuator, reading the error rate of the error code meter, recording an overload point, and calculating a sensitivity value.
5. The method for testing an optical module automation test system as claimed in claim 4, wherein in the step S1, the configuration file includes an IP address, a port number, a single/dual mode, a wavelength and an eye pattern database address of the device.
6. The method for testing an optical module automatic test system according to claim 5, wherein the step S1 comprises the steps of:
s11: detecting whether the configuration file is loaded completely, if the loading fails, prompting to check a path of the configuration file and quitting, and if the loading succeeds, entering the step S12;
s12: connecting a test module according to the configuration file, detecting whether the connection is successful, prompting reconnection or exiting the program after prompting the failed equipment information if the connection is failed, and entering the step S13 if the connection is successful;
s13: and calibrating specific parameters of the test module, displaying whether calibration is completed or not after calibration, prompting whether recalibration is performed or not if calibration fails, and entering step S2 if calibration succeeds.
7. The method as claimed in claim 6, wherein the spectral characteristics in step S2 include wavelength, spectral width and side mode suppression ratio.
8. The method for testing an optical module automation test system as claimed in claim 7, wherein in the step S4, the eye diagram data includes an extinction ratio, an OMA value and a Margin value.
9. The method as claimed in claim 8, wherein the steps S1-S8 are repeated at different temperatures to measure the test values of the module under test at different temperatures, and the steps S2-S8 are repeated at three voltages at each temperature to measure the test values at different voltages.
10. The method as claimed in claim 9, wherein after the testing is completed, the PC calibrates the optical power monitoring values of the optical power meter and the optical attenuator, and compensates for the monitor data having a deviation.
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| CN114812653A (en) * | 2022-04-27 | 2022-07-29 | 浙江光特科技有限公司 | Test method for automatically testing linearity |
| CN117129730A (en) * | 2023-10-23 | 2023-11-28 | 福弼通科技有限公司 | Imaging system for sampling oscilloscope |
| CN117278120A (en) * | 2023-11-17 | 2023-12-22 | 江苏信而泰智能装备有限公司 | Error code testing method and device |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6590644B1 (en) * | 2001-01-12 | 2003-07-08 | Ciena Corporation | Optical module calibration system |
| CN102158277A (en) * | 2011-02-22 | 2011-08-17 | 东莞市铭普实业有限公司 | Automatic optical module send-receive integrated test system |
| CN105049113A (en) * | 2015-06-17 | 2015-11-11 | 武汉光迅科技股份有限公司 | Active optical module multi-channel automatic test system and method |
| CN106059852A (en) * | 2016-05-20 | 2016-10-26 | 索尔思光电（成都）有限公司 | Optical module cloud test system and 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 |
| CN107547128A (en) * | 2016-06-23 | 2018-01-05 | 中兴通讯股份有限公司 | The method and device of optical module light power calibration |
| CN107919908A (en) * | 2017-12-29 | 2018-04-17 | 上海航天科工电器研究院有限公司 | A kind of optical module receiving terminal sensitivity test system and its test method |
| CN109039451A (en) * | 2018-09-18 | 2018-12-18 | 武汉恒泰通技术有限公司 | A kind of optical module monitoring system |
| CN109274422A (en) * | 2018-11-29 | 2019-01-25 | 四川光恒通信技术有限公司 | A kind of optical module test macro and method |
-
2021
- 2021-07-13 CN CN202110791828.3A patent/CN113541778A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6590644B1 (en) * | 2001-01-12 | 2003-07-08 | Ciena Corporation | Optical module calibration system |
| CN102158277A (en) * | 2011-02-22 | 2011-08-17 | 东莞市铭普实业有限公司 | Automatic optical module send-receive integrated test system |
| CN105049113A (en) * | 2015-06-17 | 2015-11-11 | 武汉光迅科技股份有限公司 | Active optical module multi-channel automatic test system and method |
| CN106059852A (en) * | 2016-05-20 | 2016-10-26 | 索尔思光电（成都）有限公司 | Optical module cloud test system and method |
| CN107547128A (en) * | 2016-06-23 | 2018-01-05 | 中兴通讯股份有限公司 | The method and device of optical module light power calibration |
| 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 |
| CN107919908A (en) * | 2017-12-29 | 2018-04-17 | 上海航天科工电器研究院有限公司 | A kind of optical module receiving terminal sensitivity test system and its test method |
| CN109039451A (en) * | 2018-09-18 | 2018-12-18 | 武汉恒泰通技术有限公司 | A kind of optical module monitoring system |
| CN109274422A (en) * | 2018-11-29 | 2019-01-25 | 四川光恒通信技术有限公司 | A kind of optical module test macro and method |
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| CN114113852A (en) * | 2021-11-25 | 2022-03-01 | 太仓市同维电子有限公司 | Test method and system for verifying whether optical port AC coupling capacitor is out of piece or not |
| CN114400195A (en) * | 2022-03-25 | 2022-04-26 | 南京伟测半导体科技有限公司 | ATE-based universal CIS chip test system and method |
| CN114400195B (en) * | 2022-03-25 | 2022-06-03 | 南京伟测半导体科技有限公司 | ATE-based universal CIS chip test system and method |
| CN114812653A (en) * | 2022-04-27 | 2022-07-29 | 浙江光特科技有限公司 | Test method for automatically testing linearity |
| CN117129730A (en) * | 2023-10-23 | 2023-11-28 | 福弼通科技有限公司 | Imaging system for sampling oscilloscope |
| CN117129730B (en) * | 2023-10-23 | 2024-01-02 | 福弼通科技有限公司 | Imaging system for sampling oscilloscope |
| CN117278120A (en) * | 2023-11-17 | 2023-12-22 | 江苏信而泰智能装备有限公司 | Error code testing method and device |
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