CN106487460A - Improve the system and method for optical receiving device blind spot sweep test efficiency - Google Patents
Improve the system and method for optical receiving device blind spot sweep test efficiency Download PDFInfo
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- CN106487460A CN106487460A CN201611075658.4A CN201611075658A CN106487460A CN 106487460 A CN106487460 A CN 106487460A CN 201611075658 A CN201611075658 A CN 201611075658A CN 106487460 A CN106487460 A CN 106487460A
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- blind spot
- flow device
- sweep test
- receiving device
- testing
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B17/00—Monitoring; Testing
- H04B17/20—Monitoring; Testing of receivers
- H04B17/29—Performance testing
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Abstract
The present invention relates to the field tests of optical receiving device, a kind of system and method improving optical receiving device blind spot sweep test efficiency is provided, this system includes beating flow device, OLT module, adjustable optical attenuator, controller and some testing single-boards, adjustable optical attenuator includes light switching switch, controller respectively with adjustable optical attenuator and beat flow device and be connected, OLT module respectively with adjustable optical attenuator and beat flow device and be connected, beat flow device and be connected with testing single-board.Technical scheme proposed by the present invention can carry out large batch of blind spot sweep test to optical receiving device, has not only saved substantial amounts of human cost, also improve blind spot sweep test efficiency and test quality, ensured the quality of optical receiving device product.
Description
Technical field
The invention belongs to the field tests of optical receiving device, improve optical receiving device blind spot sweep test particularly to a kind of
The system and method for efficiency.
Background technology
At present, in home electronics, the application of optical receiving device is increasingly popularized, in research and development and the life of optical receiving device
During product, need the performance indications to light device sufficiently to be tested checking, to ensure the product quality of high-quality, producing
In product test, the blind spot sweep test of light receiving power section is a requisite link, and this link is to ensure every
Data no packet loss on one optical receiver point, no data is wrong to be passed, leaks biography.
Blind spot scanning needs each luminous point to be carried out run current test, if running stream, packet loss is not as qualified, at present
For it is widely accepted that being tested with 0.2dBm for stepping, all luminous points in test light range of receiving (- 7dBm～-
28.5dBm), because test job amount is big, time-consuming, and how to improve testing efficiency is problem in the urgent need to address.
The blind spot test of optical receiving device, does not have clear and definite test specification regulation method of testing or test side in current industry
Case, the employing light point selection test having in existing testing scheme, be instead of using choosing several fixed spots tests
Whole blind spot sweep test, some employing development control test, that is, in development with manually to complete each luminous point
Sweep test, in so testing, the former can not be completely secured the quality of product, and the latter will consume substantial amounts of time and inefficient
Easily affected by each side factor such as environment, artificial incorrect operation.
Content of the invention
【Technical problem to be solved】
It is an object of the invention to provide a kind of system and method improving optical receiving device blind spot sweep test efficiency, so that
Solve one of above technical problem less.
【Technical scheme】
The present invention is achieved by the following technical solutions.
Present invention firstly relates to a kind of improve optical receiving device blind spot sweep test efficiency system, including beat flow device,
OLT module, adjustable optical attenuator, controller and some testing single-boards, described adjustable optical attenuator includes light switching switch, described
Controller respectively with adjustable optical attenuator and beat flow device and be connected, described OLT module respectively with adjustable optical attenuator and beat stream and set
Standby connection, described flow device of beating is connected with testing single-board.
As one kind preferred embodiment, described controller is configured to：Control the light switching in adjustable optical attenuator
Switch selects first piece of veneer, and control is beaten flow device and sent out current test, sends out the complete luminous power receiving point of current test when beating flow device
Afterwards, carry out step by step modulating by controlling adjustable attenuator according to default stepping-in amount, continue the light after testing and debugging after adjustment and connect
Sink, makes each luminous power receiving point can cover sweep test；After the completion of first piece of single-board testing, control adjustable light decay
Subtract the light switching switch in device, optical channel is switched on the passage of another piece of testing single-board and is tested.
As another preferred embodiment, also include switch, described play flow device, adjustable optical attenuator and control
Device is all connected with switch.
As another preferred embodiment, described controller is single-chip microcomputer or PC.
The invention still further relates to a kind of method improving optical receiving device blind spot sweep test efficiency, including step：
Arbitrary described system in A, establishment Claims 1-4；
B, the light switching switch first piece of veneer of selection controlling in adjustable optical attenuator；
C, control and beat flow device and send out current test, after beating flow device and send out a current test complete luminous power receiving point, by controlling
Adjustable attenuator processed carries out step by step modulating according to default stepping-in amount, continues the luminous power receiving point after testing and debugging after adjustment,
Make each luminous power receiving point can cover sweep test；
D, after the completion of first piece of single-board testing, control adjustable optical attenuator in light switching switch, optical channel is switched
To the passage of other one piece of testing single-board, return to step C is tested, and repeat step C～D is until complete all testing single-boards
Test.
As one kind preferred embodiment, described default stepping-in amount is 0.1dBm or 0.2dBm.
As another preferred embodiment, described step C controls when beating flow device and sending out current test, the random packet of transmission
At least 4,000,000.
【Beneficial effect】
Technical scheme proposed by the present invention has the advantages that：
By the invention it is possible to large batch of blind spot sweep test is carried out to optical receiving device, not only save substantial amounts of
Human cost, also improves blind spot sweep test efficiency and test quality, has ensured the quality of optical receiving device product.
Brief description
The principle of the system of the raising optical receiving device blind spot sweep test efficiency that Fig. 1 provides for embodiments of the invention one
Block diagram.
Specific embodiment
For making the object, technical solutions and advantages of the present invention clearer, below by the specific embodiment to the present invention
Carry out clear, complete description.
Embodiment one
The principle frame of the system of the raising optical receiving device blind spot sweep test efficiency that Fig. 1 provides for the embodiment of the present invention one
Figure.As shown in figure 1, this system includes playing flow device, OLT module, adjustable optical attenuator, controller, switch and some tests
Veneer, wherein adjustable optical attenuator include light switching switch.Specifically, controller can be realized using PC.
In the present embodiment, controller, adjustable attenuator, beat flow device and be all connected with switch by netting twine, adjustable damping
Device is connected by optical fiber with OLT module, and OLT module is connected by netting twine with beating flow device, and adjustable attenuator is single with each test
Connected by optical fiber between plate, beat and be connected by netting twine between flow device and each testing single-board.
In the present embodiment, controller is configured to：The light switching switch in adjustable optical attenuator is controlled to select first piece of list
Plate, controls and beats flow device and send out current test, after beating flow device and send out a current test complete luminous power receiving point, declines by control is adjustable
Subtract device and carry out step by step modulating according to default stepping-in amount, continue the luminous power receiving point after testing and debugging after adjustment, make each
Luminous power receiving point can cover sweep test；After the completion of first piece of single-board testing, the light in adjustable optical attenuator is controlled to cut
Change switch, optical channel is switched on the passage of another piece of testing single-board and is tested.
The method of the raising optical receiving device blind spot sweep test efficiency realized using the system in embodiment one can be joined
Examine following concrete grammar embodiments.
Embodiment two
Embodiment two is the method improving optical receiving device blind spot sweep test efficiency, and the method comprises the following steps：
(1) system in Assemblies Example one, after system building success, uses PC access switch, and switch passes through netting twine
It is connected to adjustable optical attenuator, beat flow device and realize PC Based Intelligent Control.
(2) PC controls the light switching switch in adjustable optical attenuator to select first piece of veneer.
(3) PC controls and beats flow device and send out current test, after beating flow device and send out a current test complete luminous power receiving point, passes through
Control adjustable attenuator to carry out step by step modulating according to default stepping-in amount, continue the luminous power after testing and debugging after adjustment and receive
Point, makes each luminous power receiving point can cover sweep test.
Specifically, in the present embodiment, default stepping-in amount is 0.2dBm, beats and requires during current test to send 4,000,000 at random
Bag, no packet loss is then beaten current test and is passed through.
(4) after the completion of the single-board testing in step (3), control the light switching switch in adjustable optical attenuator, light is led to
Road is switched to the passage of another piece of testing single-board, and the method according to step (3) is tested, and repeat step (3)～(4) are until complete
Become the test of all testing single-boards.
As can be seen from the above embodiments, by the embodiment of the present invention, optical receiving device can be carried out large batch of blind
Spot scan is tested, and has not only saved substantial amounts of human cost, has also improved blind spot sweep test efficiency and test quality, ensure
The quality of optical receiving device product.
It is to be appreciated that the embodiment of foregoing description is a part of embodiment of the present invention, rather than whole embodiments, also not
It is limitation of the present invention.Based on embodiments of the invention, those of ordinary skill in the art are not paying creative work premise
Lower obtained every other embodiment, broadly falls into protection scope of the present invention.
Claims (7)
1. a kind of system improving optical receiving device blind spot sweep test efficiency is it is characterised in that include beating flow device, OLT mould
Block, adjustable optical attenuator, controller and some testing single-boards, described adjustable optical attenuator includes light switching switch, described control
Device respectively with adjustable optical attenuator and beat flow device and be connected, described OLT module respectively with adjustable optical attenuator and beat flow device even
Connect, described flow device of beating is connected with testing single-board.
2. the system improving optical receiving device blind spot sweep test efficiency according to claim 1 is it is characterised in that described
Controller is configured to：The light switching switch in adjustable optical attenuator is controlled to select first piece of veneer, control is beaten flow device and sent out stream
Test, after beating flow device and send out a current test complete luminous power receiving point, by control adjustable attenuator according to default stepping
Amount carries out step by step modulating, continues the luminous power receiving point after testing and debugging, so that each luminous power receiving point can be covered after adjustment
Lid sweep test；After the completion of first piece of single-board testing, control the light switching switch in adjustable optical attenuator, optical channel is switched
Tested on the passage of other one piece of testing single-board.
3. the system improving optical receiving device blind spot sweep test efficiency according to claim 1 is it is characterised in that also wrap
Include switch, described flow device, adjustable optical attenuator and the controller beaten all is connected with switch.
4. the system improving optical receiving device blind spot sweep test efficiency according to claim 1 is it is characterised in that described
Controller is single-chip microcomputer or PC.
5. a kind of method improving optical receiving device blind spot sweep test efficiency is it is characterised in that include step：
Arbitrary described system in A, establishment Claims 1-4；
B, the light switching switch first piece of veneer of selection controlling in adjustable optical attenuator；
C, control and beat flow device and send out current test, after beating flow device and send out a current test complete luminous power receiving point, can by control
Controlled attenuator carries out step by step modulating according to default stepping-in amount, continues the luminous power receiving point after testing and debugging after adjustment, makes every
One luminous power receiving point can cover sweep test；
D, after the completion of first piece of single-board testing, control adjustable optical attenuator in light switching switch, optical channel is switched to separately
The passage of outer one piece of testing single-board, return to step C is tested, and repeat step C～D is until complete the survey of all testing single-boards
Examination.
6. the method improving optical receiving device blind spot sweep test efficiency according to claim 5 is it is characterised in that described
Default stepping-in amount is 0.1dBm or 0.2dBm.
7. the method improving optical receiving device blind spot sweep test efficiency according to claim 5 is it is characterised in that described
Step C controls when beating flow device and sending out current test, and the random packet of transmission is at least 4,000,000.
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| CN201611075658.4A CN106487460B (en) | 2016-11-29 | 2016-11-29 | Improve the system and method for optical receiving device blind spot sweep test efficiency |
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| CN201611075658.4A CN106487460B (en) | 2016-11-29 | 2016-11-29 | Improve the system and method for optical receiving device blind spot sweep test efficiency |
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| CN106487460B CN106487460B (en) | 2019-04-30 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114095115A (en) * | 2022-01-21 | 2022-02-25 | 绍兴中科通信设备有限公司 | BoB light cat automated production modulation system equipment |
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| CN103731205A (en) * | 2013-12-20 | 2014-04-16 | 上海斐讯数据通信技术有限公司 | Method for automatically testing optical network unit |
| CN104333415A (en) * | 2014-09-26 | 2015-02-04 | 武汉光迅科技股份有限公司 | Multi-channel automatic test method used for testing optical modules and system thereof |
| 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 |
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Patent Citations (5)
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| CN101656577A (en) * | 2009-09-16 | 2010-02-24 | 中兴通讯股份有限公司 | Automatic power adjusting system and automatic power adjusting method for optical network system |
| EP2690802A1 (en) * | 2011-03-23 | 2014-01-29 | Telnet Redes Inteligentes, S.A. | System for the certification of a passive optical network and for the detection of problems and faults in the last fibre legs |
| CN103731205A (en) * | 2013-12-20 | 2014-04-16 | 上海斐讯数据通信技术有限公司 | Method for automatically testing optical network unit |
| CN104333415A (en) * | 2014-09-26 | 2015-02-04 | 武汉光迅科技股份有限公司 | Multi-channel automatic test method used for testing optical modules and system thereof |
| 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 |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114095115A (en) * | 2022-01-21 | 2022-02-25 | 绍兴中科通信设备有限公司 | BoB light cat automated production modulation system equipment |
| CN114095115B (en) * | 2022-01-21 | 2022-04-19 | 绍兴中科通信设备有限公司 | BoB light cat automated production modulation system equipment |
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| CN106487460B (en) | 2019-04-30 |
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