Double-channel signal optical module tester

By designing a dual-channel optical module tester, a code stream generator and a bit error detection module are used to simultaneously test dual-channel optical modules, solving the problem of simultaneous testing in existing technologies and improving the accuracy of testing and product quality.

CN223528078UActive Publication Date: 2025-11-07WUHAN A-CREATE OPTICS & ELECTRONICS TECH CO LTD
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Patent Information

Application Number
CN202423011710.2
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-06
Publication Date
2025-11-07
Estimated Expiration
2034-12-06

AI Technical Summary

Technical Problem

Existing optical module testers cannot test dual signals simultaneously, and cannot fully simulate the working conditions of dual optical modules in actual communication, posing a safety hazard.

Method used

Design a dual-channel signal optical module tester, including a code stream generator, a bit error detection module, and an optical power detection module. By connecting to the pins of the optical module under test respectively, it provides two independent signal sources and performs bit error detection, realizing simultaneous testing of dual signals.

Benefits of technology

This enabled accurate testing of dual-path optical modules, ensuring product reliability and reducing safety hazards.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to a double-path signal optical module tester, which comprises a shell, and a code stream generator I, a code stream generator II, an error code detection module I and an error code detection module II which are arranged in the shell and are respectively and electrically connected with a controller, the code stream generator I and the code stream generator II are electrically connected with a pin P8 and a pin P7 of the to-be-detected double-path optical module respectively, and the error code detection module I and the error code detection module II are electrically connected with a pin P2 and a pin P3 of the to-be-detected double-path optical module respectively. The beneficial effects of the utility model are that the code stream generator 1 and the code stream generator 2 simultaneously provide two paths of independent signal sources, i.e., test code streams, for the double-path optical module for simulating data streams in actual communication, and after the data streams are transmitted by the optical module, the two paths of signals are restored at a receiving end; error code detection is carried out through the first error code detection module and the second error code detection module, accurate testing of the two-way optical module is achieved when the analog two-way signals work at the same time, and the reliability of product quality is guaranteed.
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Description

TECHNICAL FIELD

[0001] The utility model relates to optical communication equipment technical field, concretely relates to a double -way signal optical module tester. BACKGROUND

[0002] Current optical module tester is all one way electric signal to optical module, and the two-way signal optical module is tested, and the first way and the second way need to be tested respectively, cannot achieve the double -way transmission test of simultaneously (real -time), cannot simulate the working condition of the double -way optical module when the double -way signal works simultaneously comprehensively, thereby influence the error code test effect of the double -way optical module, and there is a security risk in the test of the double -way optical module. CONTENT OF UTILITY MODEL

[0003] The utility model provides a double -way signal optical module tester to overcome the insufficient in the prior art.

[0004] The utility model discloses a double -way signal optical module tester, including the casing, and the code stream generator one, the code stream generator two, the error code detection module one and the error code detection module two that set up in the casing and are electrically connected with the controller respectively, the code stream generator one and the code stream generator two are electrically connected with the pin P8 and the pin P7 of the double -way optical module of measuring respectively, and the error code detection module one and the error code detection module two are electrically connected with the pin P2 and the pin P3 of the double -way optical module of measuring respectively.

[0005] The utility model has the advantages that the code stream generator one, the code stream generator two provide two independent signal sources for the double -way optical module simultaneously, i.e.

[0006] On the basis of the above technical scheme, the utility model can also be improved as follows.

[0007] Further, it further includes optical attenuator, optical power meter one and optical power meter two that are electrically connected with the controller respectively, and one end of the optical attenuator and the optical power meter one are connected through the optical fiber between the laser of the double -way optical module of measuring, and the other end of the optical attenuator is connected through the optical fiber between the detector of the double -way optical module of measuring and the optical power meter two.

[0008] Further, the optical splitter one and the optical splitter two are further included; the laser of the to-be-tested double-channel optical module is connected with the optical attenuator and the optical power meter one through the optical splitter one, and the detector of the to-be-tested double-channel optical module is connected with the optical attenuator and the optical power meter two through the optical splitter two.

[0009] Further, the error code detection module one and the error code detection module two are respectively electrically connected with the error code indication module one and the error code indication module two.

[0010] Further, the no-light alarm indication module is further included, and the no-light alarm indication module is electrically connected with the pin P4 of the to-be-tested double-channel optical module.

[0011] Further, the display screen is arranged on the shell, and the display screen is electrically connected with the controller. BRIEF DESCRIPTION OF DRAWINGS

[0012] Figure 1 The structure block diagram of the utility model is shown. DETAILED DESCRIPTION

[0013] The principles and characteristics of the utility model are described below in combination with the drawings, and the examples are only used for explaining the utility model and are not used for limiting the range of the utility model.

[0014] As shown in Figure 1 Embodiment 1, a double-channel signal optical module tester, comprising a shell, and a code stream generator one, a code stream generator two, an error code detection module one and an error code detection module two arranged in the shell and electrically connected with a controller respectively;

[0015] The code stream generator one and the code stream generator two are electrically connected with the pin P8 (TD1, transmission part data 1 input) and the pin P7 (TD2, transmission part data 2 input) of the to-be-tested double-channel optical module respectively, and the error code detection module one and the error code detection module two are electrically connected with the pin P2 (RD1, reception part data 1 output) and the pin P3 (RD2, reception part data 2 output) of the to-be-tested double-channel optical module respectively.

[0016] The code stream generator one and the code stream generator two provide two independent signal sources, namely test code streams, for the double-channel optical module, which are used for simulating the data stream in actual communication, and after transmission through the optical module, the two signals are restored at the receiving end and are detected by the error code detection module one and the error code detection module two respectively, so that the accurate test of the double-channel optical module when simulating the double-channel signal working simultaneously is realized, and the reliability of product quality is ensured.

[0017] Embodiment 2, the embodiment is a further improvement based on embodiment 1, and the specific embodiments are as follows:

[0018] The light attenuator, the first optical power meter and the second optical power meter are electrically connected with the controller respectively; the first optical power meter and one end of the light attenuator are connected with the laser of the double-channel optical module to be tested through optical fibers, and the other end of the light attenuator is connected with the detector of the double-channel optical module to be tested and the second optical power meter through optical fibers.

[0019] The light signal emitted by the laser of the double-channel optical module to be tested is detected by the first optical power meter, then the light attenuator attenuates the specified light signal, and then the second optical power meter detects the optical power, so as to achieve the purpose of testing the receiving sensitivity.

[0020] Embodiment 3, this embodiment is a further improvement based on embodiment 2, and the specific implementation is as follows:

[0021] The first optical splitter and the second optical splitter are further included; the laser of the double-channel optical module to be tested is connected with the light attenuator and the first optical power meter through the first optical splitter, and the detector of the double-channel optical module to be tested is connected with the light attenuator and the second optical power meter through the second optical splitter. By using the existing mature 1:2 optical splitter, the production cost is greatly reduced.

[0022] Embodiment 4, this embodiment is a further improvement based on embodiment 1, and the specific implementation is as follows:

[0023] The error code detection module one and the error code detection module two are electrically connected with the error code indication module one and the error code indication module two respectively. They are respectively used for indicating the error code test results of two signals; in the specific implementation, the error code indication module one and the error code indication module two can be LED lamps.

[0024] Embodiment 5, this embodiment is a further improvement based on embodiment 1, and the specific implementation is as follows:

[0025] The no-light alarm indication module is further included, and the no-light alarm indication module is electrically connected with the pin P4 (SD, no-light alarm and low-level alarm of the receiving part) of the double-channel optical module to be tested. It is used for displaying whether the optical module has light signal emission; in the specific implementation, the no-light alarm indication module can be an LED lamp.

[0026] Embodiment 6, this embodiment is a further improvement based on embodiment 1, and the specific implementation is as follows:

[0027] The display screen is arranged on the shell, and the display screen is electrically connected with the controller. The detection results can be directly displayed through the display screen.

[0028] Although the embodiments of the utility model have been shown and described above, it can be understood that the above-mentioned embodiments are exemplary and cannot be understood as limiting the utility model, and the ordinary skilled in the art can change, modify, replace and transform the above-mentioned embodiments within the scope of the utility model.

Claims

1. A dual signal optical module tester, characterized by, The application relates to a double-channel optical module testing device, which comprises a shell, a code stream generator one, a code stream generator two, an error code detection module one and an error code detection module two which are arranged in the shell and are electrically connected with a controller respectively; the code stream generator one and the code stream generator two are electrically connected with a pin P8 and a pin P7 of a double-channel optical module to be tested respectively; and the error code detection module one and the error code detection module two are electrically connected with a pin P2 and a pin P3 of the double-channel optical module to be tested respectively.

2. The dual signal optical module tester according to claim 1, wherein, The application further comprises an optical attenuator, an optical power meter one and an optical power meter two which are electrically connected with the controller respectively; the optical power meter one and one end of the optical attenuator are connected with a laser of the double-channel optical module to be tested through an optical fiber; the other end of the optical attenuator is connected with a detector of the double-channel optical module to be tested and the optical power meter two through an optical fiber.

3. The dual signal optical module tester according to claim 2, wherein, The application further comprises an optical splitter one and an optical splitter two; the laser of the double-channel optical module to be tested is connected with the optical attenuator and the optical power meter one through the optical splitter one; and the detector of the double-channel optical module to be tested is connected with the optical attenuator and the optical power meter two through the optical splitter two.

4. The dual signal optical module tester according to claim 1, wherein, The error code detection module one and the error code detection module two are respectively electrically connected with an error code indication module one and an error code indication module two.

5. The dual signal optical module tester according to claim 1, wherein, The application further comprises a no-light alarm indication module which is electrically connected with a pin P4 of the double-channel optical module to be tested.

6. The dual signal optical module tester according to claim 1, wherein, A display screen is arranged on the shell and is electrically connected with the controller.