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1.武汉邮电科学研究院,武汉 430074
2.武汉莫仕通讯技术有限公司,武汉 430074
郜轩,硕士。E-mail:545941893@qq.com
纸质出版日期:2024-08-10,
收稿日期:2023-02-02,
修回日期:2023-02-21,
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郜轩,曹珍,张莉莉. 50 Gbit/s SFP56光模块自动化测试系统设计[J]. 光通信研究,2024(4):230014.
Gao X, Cao Z, Zhang L L. Design of Automatic Test System for 50 Gbit/s SFP56 Optical Module[J]. Study on Optical Communications, 2024(4):230014.
郜轩,曹珍,张莉莉. 50 Gbit/s SFP56光模块自动化测试系统设计[J]. 光通信研究,2024(4):230014. DOI: 10.13756/j.gtxyj.2024.230014.
Gao X, Cao Z, Zhang L L. Design of Automatic Test System for 50 Gbit/s SFP56 Optical Module[J]. Study on Optical Communications, 2024(4):230014. DOI: 10.13756/j.gtxyj.2024.230014.
【目的】
2
在50 Gbit/s 小型可插拔(SFP)56光模块的实际生产测试过程中,测试需搭配的仪器设备较多,测试仪器孤立使用,且测试过程复杂,调试与测试分开进行,这些问题使得光模块测试的时间延长,效率较低,给测试人员带来诸多不便,同时也无法保证测试产品的一致性。为提高光模块的调试和测试效率,降低测试人员的工作难度,文章设计了SFP56光模块自动化测试系统。
【方法】
2
文章所提测试系统使用Python语言,利用其强大的第三方库,如VISA、pyserial库等设计,该系统可在Windows操作系统下使用。
【结果】
2
该系统可对光模块进行调试和自动化测试,使测试仪器可并行使用,减少了时间和资源的浪费。也可以根据测试需求对光模块进行分步测试,在很大程度上提高了产线中光模块调试和测试的效率,也降低了对测试人员的要求。经验证表明,与传统光模块测试相比,每只光模块的测试时间降低了约70 s,大大提高了光模块的测试效率。在光模块测试中避免了人为操作带来的结果偏差,能够保证产品的一致性。
【结论】
2
与目前市面上比较流行的使用Labview语言设计的光模块自动化测试系统相比,文章所提系统可拓展性更强且更方便升级维护,其可拓展为100、200、400及800 Gbit/s等高速率的光模块测试系统,为后续高速率光模块的测试打下了技术基础。
【Objective】
2
In the production test process of 50 Gbit/s Small Form Pluggable (SFP) 56 optical module
the number of instruments and equipment to be matched for the test is large. Therefore
the test instruments are used in isolation
and the test process is complex. These issues make the optical module test longer
and the test efficiency is relatively low. It brings a lot of inconvenience to the test personnel
and can not guarantee the consistency of the test products. The purpose of this paper is to enhance debugging and testing efficiency while alleviating testers' workload.
【Methods】
2
Python language and its robust third-party libraries
including the VISA and pyserial libraries
are utilized to develop an automatic testing system for SFP56 optical modules compatible with the Windows operating system.
【Results】
2
The system can debug and test the optical module automatically. The test instruments can be used in parallel
reducing the waste of time and resources. According to the test requirements
the optical module can also be tested step by step
which greatly improves the efficiency of the debugging and testing of the optical module in the production line. It can also reduce the requirements of the tester. The verification shows that compared with the traditional optical module test
the test time of each optical module is saved by about 70 s
which greatly improves the test efficiency of the optical module. In the optical module test
the result deviation caused by human operation is avoided
and the product consistency can be guaranteed.
【Conclusion】
2
In comparison to Labview-based automatic optical module testing systems
which are currently prevalent in the market
the system designed in this study is more scalable and convenient for upgrades and maintenance. Moreover
it can be expanded to support optical module testing at speeds of 100
200
400
and 800 Gbit/s
thus laying a technical foundation for future high-speed optical module testing.
小型可插拔Python自动化测试
SFPPythonautomatic test
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