CN109039447A - ONT Optical Network Terminal BOB integrated correction test macro and its method - Google Patents
ONT Optical Network Terminal BOB integrated correction test macro and its method Download PDFInfo
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- CN109039447A CN109039447A CN201810901741.5A CN201810901741A CN109039447A CN 109039447 A CN109039447 A CN 109039447A CN 201810901741 A CN201810901741 A CN 201810901741A CN 109039447 A CN109039447 A CN 109039447A
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Classifications
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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
- H04B10/0795—Performance monitoring; Measurement of transmission parameters
- H04B10/07953—Monitoring or measuring OSNR, BER or Q
-
- 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
- H04B10/0795—Performance monitoring; Measurement of transmission parameters
- H04B10/07955—Monitoring or measuring power
Abstract
The invention discloses a kind of ONT Optical Network Terminal BOB integrated correction test macros, including supporting the Error Detector in 4 channels, supporting the optical attenuator in 8 channels and supporting the optical network comprehensive tester in 8 channels, the Error Detector, the optical attenuator and the optical network comprehensive tester are sequentially connected, and the optical network comprehensive tester can be connect with most 8 DUT.The present invention also provides a kind of ONT Optical Network Terminal BOB integrated correction test methods.Compared with the relevant technologies, ONT Optical Network Terminal BOB integrated correction test macro and its method provided by the invention have the following beneficial effects: using the light emitting comprehensive tester for supporting 8 channels, once up to 8 DUT can be tested, each channel is concurrent testing, thus testing efficiency is high；Using light emitting comprehensive tester, device integration is high, saves the number of devices of incoming fiber optic line, and networking is easy, and error rate is small, thus tests accurately.
Description
Technical field
The present invention relates to technical field of optical fiber communication, and in particular to a kind of ONT Optical Network Terminal BOB integrated correction test macro
And its method.
Background technique
Existing China Telecom, operator of China Mobile all use gigabit optical-fiber network access terminal in broadband access equipment
(GPON) or Ethernet optical-fiber network access terminal (EPON).Currently, GPON or all EPON products are in photoelectric conversion in the market
The method that design all uses BOB (BOSA on Board).When producing GPON and EPON equipment, need to carry out the parameter of BOB
Calibration.The parameter of calibration mainly has transmitting light function, extinction ratio, Los level, receiving sensitivity etc..
But tradition DUT (Device under contro l, equipment under test) testing scheme is all a WLAN comprehensive test instrument
Corresponding a DUT is tested.This scheme can only test single type DUT every time, and cannot test simultaneously a plurality of types of
DUT.For the manufacturer of certain DUT, a WLAN comprehensive test instrument device can test a plurality of types of DUT and can achieve economy
The effect that benefit is laid equal stress on.So the scheme that a WLAN comprehensive test instrument can test multiple types DUT just especially seems important.
Summary of the invention
The object of the present invention is to provide a kind of ONT Optical Network Terminal BOB integrated correction test macro and its method, networking letters
Just, testing efficiency is high, and error rate is small.
To achieve the goals above, technical scheme is as follows:
A kind of ONT Optical Network Terminal BOB integrated correction test macro, including supporting the Error Detector in 4 channels, supporting the light in 8 channels
Attenuator and the optical network comprehensive tester for supporting 8 channels, the Error Detector, the optical attenuator and the optical-fiber network are comprehensive
It closes tester to be sequentially connected, the optical network comprehensive tester can be connect with most 8 DUT.
Preferably, the Error Detector is connect by Light splitter toy with the optical attenuator.
The test method for the ONT Optical Network Terminal BOB integrated correction test macro that the present invention also provides a kind of according to,
Include the following steps:
Whether S1, the optical power for verifying the DUT reach whether target optical power, extinction ratio reach target extinction ratio, sentence
Whether whether the DUT that breaks be alarm status, be alarm status and whether have packet loss, if the optical power of the DUT is lower than
Target optical power thens follow the steps S2, no to then follow the steps S3；If the extinction ratio of the DUT is lower than target extinction ratio, execute
Step S4, it is no to then follow the steps S5；If the DUT is not alarm status, S6 is thened follow the steps；If the DUT is not alarm
State thens follow the steps S7；If the DUT does not have packet loss, S8 is thened follow the steps, it is no to then follow the steps S9；
S2, the register value for increasing the DUT regulating optical power, until reaching the target optical power；
S3, the register value for reducing the DUT regulating optical power, until reaching the target optical power；
S4, increase the register value that the DUT adjusts extinction ratio, up to reaching the target extinction ratio；
S5, the register value that the DUT adjusts extinction ratio is reduced, up to reaching the target extinction ratio；
S6, its LOS level is adjusted；
S7, its LOS level is adjusted；
S8, test pass through；
S9, test crash.
Preferably, the target optical power is 2.8dBm, and the target extinction ratio is 12.5dB.
Preferably, in step sl, when whether judge the DUT is alarm status, the optical attenuator tune is controlled
Section extremely -28dB.
Preferably, in step sl, it when whether judge the DUT is alarm status, controls the optical attenuator and adjusts
To -34dB.
Preferably, in step sl, when judging whether the DUT has packet loss, control the optical attenuator be adjusted to-
29dB。
Preferably, in step sl, the optical power of the DUT and delustring ratio are read by the light emitting comprehensive tester
It takes.
Compared with the relevant technologies, ONT Optical Network Terminal BOB integrated correction test macro and its method tool provided by the invention
It has the advantages that: using the light emitting comprehensive tester for supporting 8 channels, once up to 8 DUT can be tested,
Each channel is concurrent testing, thus testing efficiency is high；Using light emitting comprehensive tester, device integration is high, and saving connects
Enter the number of devices of optical fiber cable, networking is easy, and error rate is small, thus tests accurately.
Detailed description of the invention
To describe the technical solutions in the embodiments of the present invention more clearly, make required in being described below to embodiment
Attached drawing is briefly described, and drawings in the following description are only some embodiments of the invention, common for this field
For technical staff, without creative efforts, it can also be obtained according to these attached drawings other attached drawings,
In:
Fig. 1 is the frame diagram of ONT Optical Network Terminal BOB integrated correction test macro of the present invention；
Fig. 2 is the flow chart of ONT Optical Network Terminal BOB integrated correction test method of the present invention.
Specific embodiment
The technical scheme in the embodiments of the invention will be clearly and completely described below, it is clear that described implementation
Example is only a part of the embodiments of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, this field is common
Technical staff's all other embodiment obtained without making creative work belongs to the model that the present invention protects
It encloses.
Also referring to Fig. 1, the present invention provides a kind of ONT Optical Network Terminal BOB integrated correction test macro 100, including supports
The Error Detector 1 in 4 channels, the optical attenuator 2 for supporting 8 channels and the optical network comprehensive tester 3 for supporting 8 channels, the error code
Instrument 1, the optical attenuator 2 and the optical network comprehensive tester 3 are sequentially connected, it is preferred that the Error Detector 1, the light
Attenuator 2 and the optical network comprehensive tester 3 are attached using optical fiber.
The Error Detector 1 is connect by Light splitter toy 10 with the optical attenuator 2, the light that the Light splitter toy 10 is 1 point 2 point
Device supports the Error Detector 1 in 4 channels to connect with the optical attenuator 2 in 8 channels is supported so as to realize.
The optical network comprehensive tester 3 can be connect, Duo Gesuo due to that can support 8 channels with most 8 DUT4
Calibration test can be carried out simultaneously by stating DUT4, and being equivalent to traditional tester can only be for one DUT of calibration test, improved efficiency
6 times, thus testing efficiency significant increase.
Also referring to Fig. 1 and 2, the ONT Optical Network Terminal BOB integrated correction that the present invention also provides a kind of according to is surveyed
The test method of test system, includes the following steps:
Whether S1, the optical power for verifying the DUT reach whether target optical power, extinction ratio reach target extinction ratio, sentence
Whether whether the DUT that breaks be alarm status, be alarm status and whether have packet loss, if the optical power of the DUT is lower than
Target optical power thens follow the steps S2, no to then follow the steps S3；If the extinction ratio of the DUT is lower than target extinction ratio, execute
Step S4, it is no to then follow the steps S5；If the DUT is not alarm status, S6 is thened follow the steps；If the DUT is not alarm
State thens follow the steps S7；If the DUT does not have packet loss, S8 is thened follow the steps, it is no to then follow the steps S9；
Specifically, controlling the optical attenuator when whether judge the DUT is alarm status and being adjusted to -28dB；?
When judging whether the DUT is alarm status, controls the optical attenuator and be adjusted to -34dB；It is lost judging whether the DUT has
Bao Shi controls the optical attenuator and is adjusted to -29dB；The optical power and delustring ratio of the DUT is surveyed by the light emitting is comprehensive
Instrument is tried to read.In a specific embodiment of the present invention, the target optical power is 2.8dBm, and the target extinction ratio is
12.5dB。
S2, the register value for increasing the DUT regulating optical power, until reaching the target optical power；
S3, the register value for reducing the DUT regulating optical power, until reaching the target optical power；
S4, increase the register value that the DUT adjusts extinction ratio, up to reaching the target extinction ratio；
S5, the register value that the DUT adjusts extinction ratio is reduced, up to reaching the target extinction ratio；
S6, its LOS level is adjusted；
S7, its LOS level is adjusted；
S8, test pass through；
S9, test crash.
Compared with the relevant technologies, ONT Optical Network Terminal BOB integrated correction test macro and its method tool provided by the invention
It has the advantages that: using the light emitting comprehensive tester for supporting 8 channels, once up to 8 DUT can be tested,
Each channel is concurrent testing, thus testing efficiency is high；Using light emitting comprehensive tester, device integration is high, and saving connects
Enter the number of devices of optical fiber cable, networking is easy, and error rate is small, thus tests accurately.
The above description is only an embodiment of the present invention, is not intended to limit the scope of the invention, all to utilize this hair
Equivalent structure or equivalent flow shift made by bright specification and accompanying drawing content is applied directly or indirectly in other relevant skills
Art field, is included within the scope of the present invention.
Claims (8)
1. a kind of ONT Optical Network Terminal BOB integrated correction test macro, which is characterized in that including supporting the Error Detector in 4 channels, supporting
The optical attenuator in 8 channels and the optical network comprehensive tester for supporting 8 channels, the Error Detector, the optical attenuator and institute
It states optical network comprehensive tester to be sequentially connected, the optical network comprehensive tester can be connect with most 8 DUT.
2. ONT Optical Network Terminal BOB integrated correction test macro according to claim 1, which is characterized in that the Error Detector
It is connect by Light splitter toy with the optical attenuator.
3. a kind of test method of ONT Optical Network Terminal BOB integrated correction test macro according to claim 1, feature exist
In including the following steps:
Whether S1, the optical power for verifying the DUT reach whether target optical power, extinction ratio reach target extinction ratio, judge institute
It states whether DUT is alarm status, whether be alarm status and whether have packet loss, if the optical power of the DUT is lower than target
Optical power thens follow the steps S2, no to then follow the steps S3；If the extinction ratio of the DUT is lower than target extinction ratio, then follow the steps
S4, it is no to then follow the steps S5；If the DUT is not alarm status, S6 is thened follow the steps；If the DUT is not alarm status,
Then follow the steps S7；If the DUT does not have packet loss, S8 is thened follow the steps, it is no to then follow the steps S9；
S2, the register value for increasing the DUT regulating optical power, until reaching the target optical power；
S3, the register value for reducing the DUT regulating optical power, until reaching the target optical power；
S4, increase the register value that the DUT adjusts extinction ratio, up to reaching the target extinction ratio；
S5, the register value that the DUT adjusts extinction ratio is reduced, up to reaching the target extinction ratio；
S6, its LOS level is adjusted；
S7, its LOS level is adjusted；
S8, test pass through；
S9, test crash.
4. ONT Optical Network Terminal BOB integrated correction test method according to claim 3, which is characterized in that the target light
Power is 2.8dBm, and the target extinction ratio is 12.5dB.
5. ONT Optical Network Terminal BOB integrated correction test method according to claim 4, which is characterized in that in step sl,
When whether judge the DUT is alarm status, controls the optical attenuator and be adjusted to -28dB.
6. ONT Optical Network Terminal BOB integrated correction test method according to claim 5, which is characterized in that in step sl,
When whether judge the DUT is alarm status, controls the optical attenuator and be adjusted to -34dB.
7. the ONT Optical Network Terminal BOB integrated correction test method according to claim 3 or 6, which is characterized in that in step S1
In, when judging whether the DUT has packet loss, controls the optical attenuator and be adjusted to -29dB.
8. ONT Optical Network Terminal BOB integrated correction test method according to claim 3, which is characterized in that in step sl,
The optical power and delustring ratio of the DUT is read by the light emitting comprehensive tester.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201810901741.5A CN109039447A (en) | 2018-08-09 | 2018-08-09 | ONT Optical Network Terminal BOB integrated correction test macro and its method |
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| CN201810901741.5A CN109039447A (en) | 2018-08-09 | 2018-08-09 | ONT Optical Network Terminal BOB integrated correction test macro and its method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112019267A (en) * | 2020-08-03 | 2020-12-01 | 福建新大陆通信科技股份有限公司 | BOSA automatic calibration device and method |
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| CB02 | Change of applicant information |
Address after: 523660 Qingzhang Road 157, Hongmenshan Industrial Zone, Changshantou Village, Qingxi Town, Dongguan City, Guangdong Province Applicant after: Dongguan Yingmai Communication Technology Co., Ltd. Address before: 523660 Qingzhang Road 157, Hongmenshan Industrial Zone, Changshantou Village, Qingxi Town, Dongguan City, Guangdong Province Applicant before: Dongguan Shouxiang Electronics Co., Ltd. |
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Application publication date: 20181218 |
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| RJ01 | Rejection of invention patent application after publication |