CN101179331B - Automatic debugging method and system of optical module - Google Patents

Automatic debugging method and system of optical module Download PDF

Info

Publication number
CN101179331B
CN101179331B CN 200610114388 CN200610114388A CN101179331B CN 101179331 B CN101179331 B CN 101179331B CN 200610114388 CN200610114388 CN 200610114388 CN 200610114388 A CN200610114388 A CN 200610114388A CN 101179331 B CN101179331 B CN 101179331B
Authority
CN
China
Prior art keywords
optical module
debugging
main control
control computer
value
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN 200610114388
Other languages
Chinese (zh)
Other versions
CN101179331A (en
Inventor
张立昆
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
ZTE Corp
Original Assignee
ZTE Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by ZTE Corp filed Critical ZTE Corp
Priority to CN 200610114388 priority Critical patent/CN101179331B/en
Publication of CN101179331A publication Critical patent/CN101179331A/en
Application granted granted Critical
Publication of CN101179331B publication Critical patent/CN101179331B/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Landscapes

  • Optical Communication System (AREA)

Abstract

The invention provides a light module automation debugging system, wherein, the invention includes: a light module, which includes a digital controller used for reporting a performance amount or an alarm amount and revising value of the digital controller corresponding to the address of key parameter of the light module r according to the digital controller instruction delivered; a main control computer, which is used for downloading a reference value of the light module and receiving an actual value reported by the light module, and then comparing the reference value to the actual value, and if the values are not equal, finds out the digital controller requiring adjustment corresponding to the address of the key parameter of the light module and delivering a numerical instruction of the revised digital controller; and a debugging motherboard, which is used for bearing the light module and is connected with the main control computer through a interface for realizing a communication between the light module and the main control computer. Furthermore, the invention also provides a method for carrying out the light module automatic debugging, thus a production efficiency of the light module debugging is improved, and artificial quality hidden dangers in the process of the debugging are reduced.

Description

A kind of method and system of optical module automated debug
Technical field
The present invention proposes a kind of optical module automated debug method and system, particularly relates to the automated debug method and system of a kind of high speed optical communication system terminal photoelectricity/electric light conversion equipment optical transceiver module.
Background technology
Optical transceiver module comprises Optical Receivers, light emission module and light transmitting-receiving unification module etc., under the condition that does not realize all optical communication, as photoelectricity important in the high speed optical communication system/electric light conversion equipment, still has a very important role.In recent years along with the fast development of optical communication technique, the kind and the quantity of optical module demand is also being increased sharply.
Optical communication technique is one of emerging technology industry of high-tech area; As the installation of the optical transceiver module product of optical communication system terminal equipment, transfer to survey and have comparatively speaking than high technology content, optical module supplier needs the debugging technique workman with certain professional skill of some to carry out the adjusting test of optical transceiver module product.The Key Circuit design parameter is revised general common use mechanical type regulator potentiometer and realized in the optical module product that early stage traditional optical module supplier produces, and is as shown in Figure 1 for example.
Fig. 1 is the internal structure block diagram of traditional optical transceiver module.The automatic optical power control circuit that light emission module mainly is made up of laser bias current supply circuit A and peripheral control circuit thereof among the figure; High-speed modulator drive circuit B and peripheral control circuit thereof are formed the High Speed Modulation signal circuit; D is high-speed modulator and thermoelectric cooling (heat) device (TEC among the figure; Thermoelectric cooler) the automatic temperature-adjusting control circuit of driver C and peripheral control circuit thereof composition, TEC+ and TEC-identify the two poles of the earth of TEC respectively among the figure, and LD identifies laser; PD is a detection diode backlight, and they all are integrated in the laser assembly.Optical Receivers is mainly by avalanche photodetector APD (Avalanche Photo Diode) reverse bias voltage supply circuit E and peripheral control circuit thereof, and amplitude limiting amplifier circuit F and data and clock recovery circuitry G form.The key parameter of traditional optical transceiver module is regulated and is all realized R among Fig. 1 through the mechanical type regulator potentiometer 1Be used for regulating the APD reverse bias voltage, R 2Be used for regulating receiver module receiving terminal threshold level, R 3Be used for regulating the light emission module average optical output power, R 4Be used for regulating the bias current of laser, R 5Be used for regulating the crosspoint of light emission module light eye pattern, R 6Be used for regulating the extinction ratio of light eye pattern, R 7Be used for regulating the light emission module output center wavelength, R 8Be used for regulating the bias voltage of modulator, a complete optical module adjustment process possibly also comprise the adjusting of other potentiometer, does not list in detail here.Obviously traditional optical module is regulated and is required the commissioning staff clear to the effect of each adjustable potentiometer, and commissioning staff's quality is had higher requirements, and on the other hand, optical module inside is the adjusting of potentiometer one by one, and efficient is also very low.
Also have other potentiometer that is used for performance monitoring adjusting to identify in the drawings; Obviously the adjusting of these mechanical type potentiometers not only takies a large amount of adjusting time; And need clearly know the pairing adjusting parameter of these potentiometers; Under the little situation of the early stage demand of optical communication development, can satisfy the demands basically.But in recent years; Expansion along with the optical transport network scale; Demand to optical module demonstrates characteristics such as disposable quantity required is big, demand optical module kind is many, the delivery cycle of demand optical module is short; If the production management of still carrying out optical module according to the production adjusting pattern of early stage optical module obviously can not be satisfied the requirement of optical communication operator, summarize to get up traditional optical module and produce regulative mode and have following disadvantage, comprising:
1. optical module belongs to technology-intensive product, and is higher to optical module debugging technique workman's competency profiling, needs certain optical communication specialty background knowledge, and cultivating a skilled optical module debugging technique workman needs the quite a long time.
2. traditional optical module regulative mode governing speed is slow, and the time that needs is long, does not adapt to the demand sudden, extensive optical transport network that makes up.Owing to have at least plural mechanical type potentiometer to need to regulate in the optical module; And must depend on the monitoring of each quasi-instrument, instrument when regulating, a skilled optical module commissioning staff needs could accomplish for a long time adjusting, the debug process of an optical module usually.
3. need take a large amount of optical module testing apparatus resources.Owing to need the parameter of monitoring more in the optical module debug process; And whether the key parameter after regulating is accurate; Also need the human configuration instrument to monitor, the debug process of optical module must be accompanied by the test process of optical module, therefore must take expensive optical communication instrument for a long time.
4. can't realize the optical module production management.Traditional optical module debug process can't write down any relevant optical module Debugging message, thereby can't realize the management of optical module production debugging in batches.
5. a large amount of optical module production is because too much dependence skilled worker's manual debugging; Certainly exist certain quality hidden danger; When existing the optical module of hidden danger of quality to be applied on the optical transmission system, can cause system's significant trouble to take place, and the mass defect that optical module exists also can't be reviewed.
In sum; Traditional optical module is produced debud mode can not adapt to extensive, the paroxysmal demand of common carrier construction optical transport network, has only the optical module of realization automated debug, could accelerate the optical module governing speed; Enhance productivity, reduce artificial hidden danger of quality.
Summary of the invention
For addressing the above problem; The objective of the invention is to propose a kind of optical module automated debug method and system; In production practices, can improve the production efficiency of optical module, strengthen optical module Production Line ability, reduce the human factor in the optical module debug process as far as possible; Improve the optical module quality of production, thereby satisfy the demand that sudden, large-scale optical transport network is built.
For realizing above-mentioned purpose, the present invention proposes a kind of system of optical module automated debug, wherein, comprising:
One optical module comprises digitial controller, is used for the actual value of performance and/or alarm amount is reported, and according to the digitial controller regulating command that issues, revises the numerical value of the said digitial controller of said optical module key parameter corresponding address;
One main control computer; Be used to download optical module preset reference value and accept the actual value that said optical module reports, and compare, if unequal; Then find the digitial controller of the said optical module key parameter corresponding address that needs adjusting, issue the instruction of the numerical value of revising said digitial controller;
One debugging motherboard is used to carry said optical module, and is connected with said main control computer through an interface, is used to realize the communication between said optical module and the said main control computer.
The system of above-mentioned optical module automated debug, wherein, said digitial controller comprises digital regulation resistance or digital to analog converter.
The system of above-mentioned optical module automated debug, wherein, said debugging motherboard further comprises: a SCM system is connected with said interface, and passes through I with said optical module 2The C bus connects, and is used for through I 2C agreement and said optical module carry out communication;
Said optical module further comprises: a single-chip minimum system, and pass through I between the SCM system of said debugging motherboard 2The C agreement is carried out communication.
The system of above-mentioned optical module automated debug, wherein, said interface is RS-232.
The system of above-mentioned optical module automated debug wherein, further comprises:
One optical module testing apparatus is connected with the output of said optical module, and is connected with said main control computer through a gpib interface, is used to test the performance of said optical module, and test number is sent to said main control computer.
The system of above-mentioned optical module automated debug, wherein, said main control computer further comprises:
Automatic regulating module is used for according to the preset reference value of said key parameter and the comparative result of said actual value, generates and issue the instruction of the digitial controller numerical value of revising said key parameter corresponding address, makes said actual value meet said preset reference value;
The inching module, the test number that is used for reporting according to said optical module testing apparatus and the comparative result of preset reference value generate and issue the instruction of the digitial controller numerical value of revising said key parameter corresponding address;
The parameter preset modified module is used to revise the preset reference value of said key parameter.
The system of above-mentioned optical module automated debug, wherein, said optical module testing apparatus further comprises:
One code error tester is used for the optical module receiving sensitivity index after test and debugging is accomplished, and sends the real-time error rate test numerical value of said optical module to said main control computer; With
Said debugging motherboard further comprises:
One controllable light attenuator; The output interface and the said optical module receiving port that connect said code error tester respectively; And be connected with said SCM system; Use the instruction that issues according to said main control computer, regulate the optical power attenuation amount, make the average input optical power value of said optical module receiving port can be used to test receiving sensitivity.
The system of above-mentioned optical module automated debug, wherein, said optical module testing apparatus further comprises:
One code error tester is used for the optical module receiving sensitivity index after test and debugging is accomplished, and sends the real-time error rate test numerical value of said optical module to said main control computer;
One smooth eye pattern tester is used to test the eye pattern performance that the back optical module is accomplished in said debugging, light eye pattern extinction ratio, the light eye pattern that sends the optical module after debugging is accomplished to said main control computer intersect than and/or export the test number of average light power; And/or
One multi-wavelength meter, the centre wavelength of the optical module after being used for test and debugging and accomplishing, the centre wavelength value of sending the optical module after debugging is accomplished to said main control computer.
The system of above-mentioned optical module automated debug, wherein, said optical module testing apparatus further comprises:
One multichannel spectrometer is connected with said optical module output, is used for that optical module is exported average light power and gives said measurement of error code appearance, eye pattern analyzer and/or multi-wavelength meter.
The system of above-mentioned optical module automated debug, wherein, said optical module further comprises:
One EEPROM is used to write down the significant data information of said optical module;
Said important information comprises: optical module type, optical module production debugging date, the optical module commissioning staff of optical module manufacturer, optical module testing apparatus detecting information and/or Debugging message.
For realizing above-mentioned purpose, the invention allows for a kind of method of optical module automated debug, wherein, may further comprise the steps:
Step 1, main control computer is downloaded the preset reference value that needs the key parameter of adjusting in the optical module;
Step 2, said main control computer find the digitial controller of the key parameter corresponding address that needs adjusting according to said preset reference value in optical module, and issue the instruction of the numerical value of revising said digitial controller;
Step 3, the said optical module collection and the actual value of performance that reports said key parameter are to said main control computer;
Step 4, said main control computer compares performance and the preset reference value that said optical module reports, if identical, then if the value of writing of the final digitial controller of revising of record inequality, is then returned said step 2.
The method of above-mentioned optical module automated debug wherein, further comprises before the said step 1:
SCM system on the debugging motherboard and the single-chip minimum system in the said optical module are carried out initialized step; With
Digitial controller in the said optical module is carried out the step of the initialization value of writing.
The method of above-mentioned optical module automated debug wherein, is finely tuned said optical module after said step 4, further comprises:
Step 131, the collection of optical module testing apparatus also reports the test data of said optical module;
Step 132, said main control computer receive the test data of the said optical module that said optical module testing apparatus reports, and compare with the predeterminated target reference value;
If step 13 inequality, then issues the instruction of revising digitial controller numerical value relevant with said test data in the optical module; Return said step 131 then; If identical, then write down the test data of said optical module testing apparatus and value of writing at last of digitial controller, finish to revise.
The optical module automated debug platform that method and system through a kind of optical module automated debug of the present invention is set up; Not only can improve the production efficiency of optical module on a large scale; And significantly reduced the dependence of optical module debugging to the skilled worker; Reduce the participation of human factor in the optical module debug process, can improve the quality of production of optical module generally, reduce optical module debug process taking always expensive instrument resource.
Description of drawings
Fig. 1 is the internal structure block diagram of a traditional optical transceiver module;
Fig. 2 is the hardware system sketch map of optical module automated debug;
Fig. 3 is an automation optical module debugging software core part sketch map;
Fig. 4 is the workflow sketch map of optical module automated debug system;
Fig. 5 is the system platform sketch map of the embodiment of the invention;
Fig. 6 is the present invention carries out automated debug to light transmitting-receiving unification module a debugging software interface sketch map.
Embodiment
Below in conjunction with accompanying drawing and embodiment content of the present invention and function are carried out detailed explanation.
Fig. 2 is the hardware system of optical module automated debug, mainly is made up of optical module 201, main control computer 202, debugging motherboard 203, SCM system 204, interface 205, code error tester 206, light eye pattern tester 207, multi-wavelength meter 208, multichannel spectrometer 209, power transfer module 210, motherboard power supply 211 and peripheral control module 212.
But optical module 201 wherein to be debugged possesses the digitlization regulatory function; Main control computer 202, optical module automated debug software wherein specifically comprises: automatic regulating module 213, inching module 214 and parameter preset modified module 215 etc.; Debugging motherboard 203 carries optical module 201 and other modules; SCM system 204 is used for carrying out communication with optical module; The interface 205 of communication is used to debug the communication between motherboard 203 and the main control computer 202; Motherboard power supply 211 is formed the motherboard supply module with power transfer module 210; Wherein motherboard power supply 211 is used for to the optical module of debugging motherboard 203 201 and other circuit power supply being provided voluntarily; Power transfer module 210, be used for external power source to the power source conversion that provides of debugging motherboard 203 be optical module 201 to be debugged with motherboard on other circuits needed power supply; Code error tester 206, light eye pattern tester 207 and multi-wavelength meter 208 are formed the optical module testing apparatus of measuring light module optical interface index; Wherein code error tester 206 is used for testing the performance index such as receiving sensitivity, shake of debugged optical module; Light eye pattern tester 207 is used for testing the light eye pattern index of debugged optical module; Multi-wavelength meter 208 mainly is used for the output center wavelength of test light module 201, and these optical module testing apparatuss are connected with main control computer 202; Multichannel spectrometer 209 is exported average light power with optical module and is given relevant above-mentioned optical module testing apparatus.
But native system requires optical module 201 to be debugged must possess the function that digitlization is regulated; Promptly with Nonvolatile digital potentiometer or digital to analog converter (DAC) as digitial controller; Replace and be used for the mechanical type regulator potentiometer of conditioning signal in traditional optical module; Be example with the digital regulation resistance in the present embodiment, but protection range and be limited to digital regulation resistance not to the utmost, digital to analog converter (DAC) also is applicable to following execution mode.
Optical module 201 inside have single-chip minimum system; Can carry out communication according to specific communications protocol with the SCM system 204 of debugging motherboard 203; Optical module to be debugged reports to main control computer 202 with all properties, alarm amount, and main control computer 202 is handed down to optical module to be debugged 201 with relevant digital regulation resistance regulating command and other optical module control command.
The automated debug software of operation comprises in the main control computer 202: automatic regulating module 213, inching module 214 and parameter preset modified module 215.Wherein, Automatic regulating module 213; Be used for comparative result, generate and issue the instruction that key parameter is revised the digital regulation resistance numerical value of corresponding address, make said actual value meet said preset reference value according to preset reference value with the actual value that reports of the key parameter of downloading; Inching module 214, the test number that is used for reporting according to the optical module testing apparatus and the comparative result of preset reference value generate and issue the instruction that key parameter is revised the digital regulation resistance numerical value of corresponding address; Parameter preset modified module 215, the parameter preset numerical value of the key parameter that is used to download.
Embodiment of the present invention at first should be set up automated debug system shown in Figure 2; With download optical module software wait debug optical module 201 be installed to the debugging motherboard 203 on; Annexation according to Fig. 2 connects the relative photo module test device; Connect power supply 210; Through an optical module key parameter of optical module automated debug software download preset value file; This parameter preset value file logging the preset reference value of the parameter that need regulate of optical module, comprising: parameters such as APD reverse bias voltage, receiving terminal threshold modifying value, laser average optical output power, light eye pattern extinction ratio, light eye pattern crosspoint, laser centre wavelength and/or modulator bias voltage.
The debug system power up is at first carried out optical module 201 and the single-chip microcomputer initialization of debugging in the motherboard 203, and writes digital regulation resistance value initialization;
The preset reference value of downloading according to the optical module debugging software then, debugging software transmitting order to lower levels find the digital regulation resistance of the key parameter corresponding address that needs to regulate and realize that the modification of digital regulation resistance writes;
Then report the actual value that obtains to compare key parameter value in the optical module and sampling; If unequal, then feed back the digital regulation resistance that finds optical module key parameter corresponding address automatically, beginning is revised and is write digital regulation resistance numerical value; The key parameter value of writing the later optical module of digital regulation resistance value is revised in sampling again; And compare with the preset reference value, to the last debug results equate with the preset reference value or near till, note to revise and write later digital regulation resistance value; And begin the modification of the corresponding digital regulation resistance of next optical module key parameter; Repeat said process, all key parameter values are modified to and meet the preset reference value in optical module 201 to be measured, and optical module 201 automated debug processes finish.
This moment with optical module optical interface testing apparatus on can observe the test result of the amended relative photo index of optical module key parameter; The eye pattern performance of optical module is tested and reported to light eye pattern tester 207; The crucial light index parameters such as extinction ratio that on the optical module debugging interface of main control computer 202, can show the optical module 201 after debugging is accomplished; If these parameters are different with the target reference value; Then feed back to the optical module key parameter carry out manual fine-tuning whole (manual fine-tuning is whole be exactly on the debugging interface manually write or read digital regulation resistance value adjust parameter) corresponding digital regulation resistance value, meet predetermined result up to the light index parameter of optical module 201.The centre wavelength of the optical module 201 after multi-wavelength meter 208 test automations debugging is accomplished; In the laser centre wavelength value that shows on the optical module debugging software interface of main control computer 202 after debugging is accomplished; If display centre wavelength debug results and target wavelength are inequality; Then feed back to optical module 201 key parameters and carry out the whole corresponding digital regulation resistance value of manual fine-tuning, meet index request up to the centre wavelength debugging.Code error tester 206 is used for test light module 201 receiving sensitivity indexs, the error rate test result that the debugging software interface display on the computer 202 is real-time.Report the input average light power value that obtains this moment according to the optical module performance; Issue control command; Regulate the average input optical power value of optical module 201 receiving terminals near receiving sensitivity; If the error rate that this moment, testing apparatus reported exceeds code requirement, then feed back to the little whole corresponding digital regulation resistance value of manual fine-tuning of carrying out of optical module 201 key parameters, till in the scope of the error rate at code requirement.
Fig. 3 is an automation optical module debugging software core part; Comprise the single-chip microcomputer initialization that powers on of debugging motherboard 203; The parameter setting of the key energy of optical module, data acquisition and analyzing and processing, storage and user interface several critical software modules such as (interfaces).
Fig. 4 is optical module automated debug software workflow figure, and this flow process is to be based upon on the optical module automated debug system-based shown in Figure 2, and the key step of implementing this flow process is following:
Step S101, optical module 201 automated debugs begin;
Step S102, the single-chip microcomputer of at first debugging in motherboard 203 and the optical module 201 after optical mode automated debug system powers on all will carry out initialization procedure, optical module 201 internal digital potentiometer initialization values of writing;
Step S103, following light emitting module key parameter preset value;
Step S104 according to the optical module key parameter preset value that issues, finds the digital regulation resistance of corresponding address, revises and writes the digital regulation resistance value;
Step S105, key parameter value in the optical module 201 behind the digital regulation resistance numerical value is revised in collection;
Step S106 compares with the actual value of the optical module key parameter that collects and with the preset reference value, if identical, step below then carrying out, if inequality, then execution in step S104 continues to revise the value of writing digital regulation resistance;
Step S107 notes the inner all digital regulation resistance values of optical module after completion is write in last modification;
Step S108, the optical module debugging is accomplished.
Fig. 5 is a system platform that embodies the embodiment of the invention, and main modular such as Fig. 2 of comprising describe, and the practical implementation method is to pass through I between optical module 201 and the SCM system 204 of debugging motherboard 203 2C bus (Inter-Integrated-Circuit) connects, according to I 2The C agreement is carried out communication.Transfer to survey between motherboard 203 and the main control computer 202 and be connected, be connected through GPIB (General Purpose Interface Bus) interface between optical module testing apparatus and the main control computer 202 through RS-232 interface.
On debugging motherboard 203, a module has been installed in addition; It is controlled optical attenuator 501; Be connected the output interface of code error tester 206 and wait to debug between the optical module 201 receiving terminal Rx; And is connected with the SCM system 204 of debugging on the motherboard 203, issue commands for controlling by debugging motherboard 203 according to debugging software.Controllable light attenuator 501 1 terminations inputs light, termination output light can receive the size of the control command control light decrement that debugging software issues, thus control optical module 201 receiving terminals input average light power.
Fig. 6 is the debugging interface of embodying an embodiment who is used for light transmitting-receiving unification module is debugged of Fig. 2 optical module automated debug system.As shown in the figure:
The key parameter that has optical module 201 to need to regulate in the debugging interface is described, and this key parameter comprises: APD reverse bias voltage, receiving terminal threshold modifying, laser average optical output power, light eye pattern extinction ratio, light eye pattern crosspoint, laser centre wavelength and modulator bias voltage.The Writing/Reading of the digital regulation resistance that its corresponding needs are regulated, the actual performance number value that reports of optical module and the actual key parameter that reads of optical module testing apparatus after the key parameter preset value of optical module and automated debug are accomplished." beginning " and " end " is two start buttons in the optical module debugging software.
In order to regulate the key parameter of optical module better, in optical module automated debug platform, can be according to the automated debug result, manually be provided with and revise the relevant key parameter preset value of optical module to be measured, and realize that corresponding digital regulation resistance value accurately finely tunes.
At first according to device shown in Figure 5 optical device and the program of having downloaded light transmitting-receiving unification module to be debugged will be installed is fixed on the debugging motherboard 203; Connect input, output optical fibre; Energized will be modified to normal operating state through the optical module testing apparatus that gpib interface is connected with main control computer 202.Open main control computer 202; Get into debugging interface shown in Figure 5; Download optical module key parameter target reference value file (being the preset value file of key parameter) back and in the target reference value column at debugging interface, can read these default values; Press START button this moment, debugging software finds corresponding digital regulation resistance address according to the order that the optical module of listing 201 needs to regulate key parameter, begins to write the numerical value (0~255) of digital regulation resistance; Pass through key parameter value and the given target reference value of the relevant optical module of " data acquisition-data analysis-data report " later on and compare having write the digital regulation resistance value simultaneously; If the two differs greatly, then feed back to the raw address digital regulation resistance and continue to regulate, up to equating with the target reference value or approaching; This digital regulation resistance is revised and is accomplished; Then continue the digital regulation resistance of follow-up optical module key parameter corresponding address and regulate, to the last the digital regulation resistance of a key parameter corresponding address is revised and is accomplished, and optical module automated debug process finishes.
After digital regulation resistance is revised end according to the target preset value; Data according to the relative photo module test device collection that is connected with main control computer 202 reports are further finely tuned; As in order to obtain optimum reception sensitivity; According to average input optical power of receiving terminal and the error rate test result that collection comes up, further finely tune the value of the digital regulation resistance relevant with the optical module receiving sensitivity, parameters such as other centre wavelength as optical module, extinction ratio are handled equally.
In order further to improve the debugging of light transceiving integrated module; Can be according to the test result of optical module testing apparatus; The preset reference value of relevant key parameter in the manual modification optical module; Such as the reverse bias voltage value of fine setting light receiving element APD, press START button then, the digital regulation resistance value of the whole corresponding address of software automatic fine tuning; Up to the requirement of optical module receiving sensitivity test result conformance with standard, the method that the control method of other performance index of optical module such as extinction ratio and centre wavelength also can adopt manual fine-tuning is adjusted to optimum state with the key parameter of optical module.
After the optical module automated debug is accomplished, can significant datas such as optical module type, centre wavelength, optical module Debugging message be write among the inner EEPROM of optical module, be convenient to the production management and the quality tracing of optical module.
Certainly; The present invention also can have other various embodiments; Under the situation that does not deviate from spirit of the present invention and essence thereof; Being familiar with those of ordinary skill in the art ought can make various corresponding changes and distortion according to the present invention, but these corresponding changes and distortion all should belong to the protection range of the appended claim of the present invention.

Claims (10)

1. the system of an optical module automated debug is characterized in that, comprises an optical module, an optical module testing apparatus, a main control computer and a debugging motherboard, wherein:
One optical module comprises digitial controller, is used for the actual value of performance and/or alarm amount is reported, and according to the digitial controller regulating command that issues, revises the numerical value of the said digitial controller of said optical module key parameter corresponding address;
One optical module testing apparatus is connected with the output of said optical module, and is connected with said main control computer through a gpib interface, is used to test the performance of said optical module, and test number is sent to said main control computer;
One main control computer; Be used to download optical module preset reference value and receive the actual value that said optical module reports, and compare, if unequal; Then find the digitial controller of the said optical module key parameter corresponding address that needs adjusting, issue the instruction of the numerical value of revising said digitial controller; Said main control computer further comprises automatic regulating module, inching module and parameter preset modified module, wherein:
Automatic regulating module is used for according to the preset reference value of said key parameter and the comparative result of said actual value, generates and issue the instruction of the digitial controller numerical value of revising said key parameter corresponding address, makes said actual value meet said preset reference value;
The inching module, the test number that is used for reporting according to said optical module testing apparatus and the comparative result of preset reference value generate and issue the instruction of the digitial controller numerical value of revising said key parameter corresponding address;
The parameter preset modified module is used to revise the preset reference value of said key parameter;
One debugging motherboard is used to carry said optical module, and is connected with said main control computer through an interface, is used to realize the communication between said optical module and the said main control computer.
2. the system of optical module automated debug according to claim 1 is characterized in that, said digitial controller comprises digital regulation resistance or digital to analog converter.
3. the system of optical module automated debug according to claim 1 is characterized in that, said debugging motherboard further comprises: a SCM system is connected with said interface, and passes through I with said optical module 2The C bus connects, and is used for through I 2C agreement and said optical module carry out communication;
Said optical module further comprises: a single-chip minimum system, and pass through I between the SCM system of said debugging motherboard 2The C agreement is carried out communication.
4. the system of optical module automated debug according to claim 1 is characterized in that, said interface is RS-232.
5. the system of optical module automated debug according to claim 1 is characterized in that, said optical module testing apparatus further comprises:
One code error tester is used for the optical module receiving sensitivity index after test and debugging is accomplished, and sends the real-time error rate test numerical value of said optical module to said main control computer; With
Said debugging motherboard further comprises:
One controllable light attenuator; The output interface and the said optical module receiving port that connect said code error tester respectively; And be connected with SCM system; Use the instruction that issues according to said main control computer, regulate the optical power attenuation amount, make the average input optical power value of said optical module receiving port can be used to test receiving sensitivity.
6. the system of optical module automated debug according to claim 1 is characterized in that, said optical module testing apparatus further comprises:
One code error tester is used for the optical module receiving sensitivity index after test and debugging is accomplished, and sends the real-time error rate test numerical value of said optical module to said main control computer;
One smooth eye pattern tester is used to test the eye pattern performance that the back optical module is accomplished in said debugging, light eye pattern extinction ratio, the light eye pattern that sends the optical module after debugging is accomplished to said main control computer intersect than and/or export the test number of average light power; And/or
One multi-wavelength meter, the centre wavelength of the optical module after being used for test and debugging and accomplishing, the centre wavelength value of sending the optical module after debugging is accomplished to said main control computer.
7. the system of optical module automated debug according to claim 6 is characterized in that, said optical module testing apparatus further comprises:
One multichannel spectrometer is connected with said optical module output, is used for that optical module is exported average light power and gives said code error tester, light eye pattern tester and/or multi-wavelength meter.
8. the system of optical module automated debug according to claim 1 is characterized in that, said optical module further comprises:
One EEPROM is used to write down the significant data information of said optical module;
Said significant data information comprises: optical module type, optical module production debugging date, optical module manufacturer, optical module commissioning staff, optical module testing apparatus detecting information and/or Debugging message.
9. the method for an optical module automated debug is characterized in that, may further comprise the steps:
Step 1, main control computer is downloaded the preset reference value that needs the key parameter of adjusting in the optical module;
Step 2, said main control computer find the digitial controller of the key parameter corresponding address that needs adjusting according to said preset reference value in optical module, and issue the instruction of the numerical value of revising said digitial controller;
Step 3, the said optical module collection and the actual value of performance that reports said key parameter are to said main control computer;
Step 4, said main control computer compares performance and the preset reference value that said optical module reports, if identical, then if the value of writing of the final digitial controller of revising of record inequality, is then returned said step 2;
After said step 4, said optical module is finely tuned, further comprises:
Step 131, the collection of optical module testing apparatus also reports the test data of said optical module;
Step 132, said main control computer receive the test data of the said optical module that said optical module testing apparatus reports, and compare with the preset reference value;
If step 133 inequality, then issues the instruction of revising digitial controller numerical value relevant with said test data in the optical module; Return said step 131 then; If identical, then write down the test data of said optical module testing apparatus and value of writing at last of digitial controller, finish to revise.
10. the method for optical module automated debug according to claim 9 is characterized in that, further comprises before the said step 1:
SCM system on the debugging motherboard and the single-chip minimum system in the said optical module are carried out initialized step; With
Digitial controller in the said optical module is carried out the step of the initialization value of writing.
CN 200610114388 2006-11-08 2006-11-08 Automatic debugging method and system of optical module Expired - Fee Related CN101179331B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 200610114388 CN101179331B (en) 2006-11-08 2006-11-08 Automatic debugging method and system of optical module

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 200610114388 CN101179331B (en) 2006-11-08 2006-11-08 Automatic debugging method and system of optical module

Publications (2)

Publication Number Publication Date
CN101179331A CN101179331A (en) 2008-05-14
CN101179331B true CN101179331B (en) 2012-03-07

Family

ID=39405438

Family Applications (1)

Application Number Title Priority Date Filing Date
CN 200610114388 Expired - Fee Related CN101179331B (en) 2006-11-08 2006-11-08 Automatic debugging method and system of optical module

Country Status (1)

Country Link
CN (1) CN101179331B (en)

Families Citing this family (42)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101977079B (en) * 2010-10-29 2015-08-19 中兴通讯股份有限公司 Realize the method and system of automatic test of indexes of optical module
CN102567692B (en) * 2010-12-28 2016-07-06 上海贝尔股份有限公司 The parameter set inputting high-speed chip is carried out equipment and the method for self-adaptative adjustment
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
CN102200671B (en) * 2011-04-25 2014-02-19 索尔思光电(成都)有限公司 Extinction ratio debugging device and method of optical module
CN102222282A (en) * 2011-06-23 2011-10-19 成都新易盛通信技术有限公司 Automatic tracing method suitable for optical module production
CN102299739B (en) * 2011-07-29 2015-08-12 深圳市国扬通信股份有限公司 SFP module test method and test terminal
CN102291174B (en) * 2011-08-01 2014-03-12 成都优博创技术有限公司 Method for debugging optical power and extinction ratio of transmitter of optical module in closed loop way
CN102244542A (en) * 2011-08-22 2011-11-16 成都优博创技术有限公司 System and method for measuring vibration amplitude of irradiating power of optical emitter
CN102567691B (en) * 2012-01-13 2014-12-17 成都优博创技术有限公司 Method for preventing pirating by optical modules
CN102684781B (en) * 2012-04-17 2015-07-08 华为技术有限公司 Method and device for optimizing performance of optical module
CN103051379B (en) * 2013-01-06 2016-04-20 青岛海信宽带多媒体技术有限公司 A kind of optical module debug system
CN103401605B (en) * 2013-07-12 2016-06-29 青岛海信宽带多媒体技术有限公司 Room temperature based on hot-pluggable optical module debugs system and room temperature adjustment method
CN103500112A (en) * 2013-10-11 2014-01-08 索尔思光电(成都)有限公司 Software version control method
CN103676708B (en) * 2013-10-31 2017-07-28 江苏奥雷光电有限公司 A kind of controllable light attenuator and its application method
CN103630780B (en) * 2013-11-22 2016-08-17 武汉电信器件有限公司 Detector sensitivity optimal value and the Auto-Test System of overload values and method thereof
CN103647599B (en) * 2013-12-16 2016-03-16 东莞铭普光磁股份有限公司 The general-utility test platform of optical communication equipment functional module and method of testing thereof
CN103795485A (en) * 2014-03-06 2014-05-14 上海贝岭股份有限公司 High frequency dynamic error rate test system
CN103929170B (en) * 2014-04-09 2017-06-06 中航海信光电技术有限公司 Multichannel parallel optical module starting method
CN105591701A (en) * 2014-10-21 2016-05-18 中兴通讯股份有限公司 Optical module and method for adjusting input optical power of optical module
CN106330591B (en) * 2015-06-30 2020-02-11 中国移动通信集团公司 OAM test method and equipment for communication system
CN105429699B (en) * 2015-12-11 2018-04-06 中国电子科技集团公司第四十一研究所 A kind of fiber optic network parameter testing diagnostic device and method
CN105656562B (en) * 2016-03-18 2018-02-16 江苏奥雷光电有限公司 A kind of photoelectric conversion module extinction ratio autocontrol method
CN105743571A (en) * 2016-03-31 2016-07-06 青岛海信宽带多媒体技术有限公司 Optical module balancing parameter adjusting method and apparatus, and optical module
CN106209220B (en) * 2016-07-05 2018-10-09 厦门优迅高速芯片有限公司 A kind of setting of UX3328SFP optical module Automatic parameters and test method based on FPGA
CN106411400A (en) * 2016-09-23 2017-02-15 广州市芯德电子技术有限公司 Optical signal adjustment method and system
CN106936495B (en) * 2017-03-23 2019-07-19 厦门优迅高速芯片有限公司 A kind of automatic testing equipment and method of smooth transceiving chip
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
CN107769850B (en) * 2017-11-23 2024-02-27 成都嘉纳海威科技有限责任公司 MCU-based multichannel optical module automatic testing device and 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
CN109787682B (en) * 2019-01-04 2024-05-17 深圳市亚派光电器件有限公司 Automatic debugging method and device for optical module and computer readable medium
CN110187894B (en) * 2019-05-22 2023-07-21 青岛海信宽带多媒体技术有限公司 Initialization method and device of optical module and electronic equipment
CN110650054A (en) * 2019-09-29 2020-01-03 华为技术有限公司 Method, apparatus and system for configuring optical operating point of modulator
CN111385023A (en) * 2020-03-02 2020-07-07 成都优博创通信技术股份有限公司 Optical module debugging device and debugging method
CN111835413B (en) * 2020-07-26 2021-07-13 武汉永鼎光通科技有限公司 Monitoring system capable of monitoring, adjusting and testing optical module in real time
CN113098613B (en) * 2021-03-31 2022-09-09 青岛海信宽带多媒体技术有限公司 Optical module and wavelength automatic communication method based on double-MCU optical module
CN113205780B (en) * 2021-04-16 2022-08-30 广州朗国电子科技股份有限公司 Adaptive method and system for integrated I2C light sensing module of all-in-one machine
CN113381807B (en) * 2021-05-13 2022-09-09 武汉光迅科技股份有限公司 Optical module performance detection device, method and system
CN114812653A (en) * 2022-04-27 2022-07-29 浙江光特科技有限公司 Test method for automatically testing linearity
CN114938243B (en) * 2022-07-22 2023-04-25 深圳市亿联无限科技有限公司 BOSA debugging method, system, debugger and debugging method
CN115733555B (en) * 2023-01-10 2023-05-02 中天通信技术有限公司 DWDM optical module transmitting end debugging method, device, equipment and computer medium
CN117375710B (en) * 2023-12-07 2024-02-23 成都光创联科技有限公司 Performance test method of receiving optical device
CN118041422A (en) * 2024-01-25 2024-05-14 北京融为科技有限公司 Optical fiber filter wavelength control method and system for satellite-to-ground laser communication

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1435957A (en) * 2002-01-30 2003-08-13 华为技术有限公司 Digital regulated light transmission module and regulating method thereof
CN1444349A (en) * 2002-03-08 2003-09-24 华为技术有限公司 Digital regulated light receiving module and its regulating method

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1435957A (en) * 2002-01-30 2003-08-13 华为技术有限公司 Digital regulated light transmission module and regulating method thereof
CN1444349A (en) * 2002-03-08 2003-09-24 华为技术有限公司 Digital regulated light receiving module and its regulating method

Also Published As

Publication number Publication date
CN101179331A (en) 2008-05-14

Similar Documents

Publication Publication Date Title
CN101179331B (en) Automatic debugging method and system of optical module
CN103164311B (en) Method for automatically testing communication function of object to be tested
CN101383659B (en) Apparatus and method for automatically debugging parameter of communication system
CN112422182B (en) Multifunctional adjusting and measuring device and method for WDM (wavelength division multiplexing) optical module
CN105515648B (en) The parametric calibration platform and its method of work of BOSA ON BOARD ONU modules
US8184970B2 (en) Optical transceiver with LED link information indicator
CN110492928B (en) BOB calibration test system and control method
CN102291174B (en) Method for debugging optical power and extinction ratio of transmitter of optical module in closed loop way
CN103475407B (en) Based on the debug system of the optical module down channel of EML
CN102882115B (en) Evolutionary operation algorithm for electric absorption reverse bias voltage of EML (electo-absorption modulated laser)
CN100403670C (en) Radio-frequency indicator testing method
CN111934758A (en) Automatic adjusting and measuring method and device for emitted light power and eye pattern of optical module
CN113381805B (en) TOSA bandwidth rapid measurement device and method based on vector network analyzer
WO2017181916A1 (en) Method for automatically calibrating bidirectional light receiving and emitting power of pon network device
CN105703823B (en) A kind of the output level adjustment system and adjusting process of feedback-less light AGC photoreceivers
CN105204124A (en) Optical module and optical fiber coupling detection method
CN109120339A (en) Optical module adjustment method, optical module debugging system and optical module management system
CN108234017B (en) EDFA full-automatic testing method and system
CN116668323A (en) Automatic test system and method based on ultrashort wave communication equipment
CN216526154U (en) Test system of fastener
CN108123757B (en) Device and method for rapid automatic calibration and attenuation control based on MCVOA
CN114845328A (en) Polymorphic NR radio frequency test system, test case generation method and test method
CN115333617A (en) Multichannel optical module evaluation board and optical module test system
CN105933058B (en) PON network equipment bidirectional transmit-receive optical power automatic calibrating method
CN110838871B (en) Optical wave test module automatic calibration method based on optical fiber network

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
C14 Grant of patent or utility model
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20120307

Termination date: 20151108

EXPY Termination of patent right or utility model