CN110492928A - A kind of BOB calibration test system and control method - Google Patents
A kind of BOB calibration test system and control method Download PDFInfo
- Publication number
- CN110492928A CN110492928A CN201910788258.5A CN201910788258A CN110492928A CN 110492928 A CN110492928 A CN 110492928A CN 201910788258 A CN201910788258 A CN 201910788258A CN 110492928 A CN110492928 A CN 110492928A
- Authority
- CN
- China
- Prior art keywords
- value
- light
- channel
- control system
- optical
- 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.)
- Granted
Links
Classifications
-
- 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
- H04B10/073—Arrangements for monitoring or testing transmission systems; Arrangements for fault measurement of transmission systems using an out-of-service signal
- H04B10/0731—Testing or characterisation of optical devices, e.g. amplifiers
Abstract
The invention belongs to fiber optic communication fields, more particularly to a kind of BOB calibration test system and control method, including 10G multichannel Error Detector, 1G multichannel Error Detector, 10G two-channel light source control system, 1G two-channel light source control system, High-Speed Double-Channel optical switch module, program-controlled Optimizing Control System, Light splitter toy, 1G light power meter, 10G light power meter, photoswitch one, photoswitch two, one-to-two wavelength division multiplexer and one-to-two division multiplexing optical device, advantage is: the multichannel Error Detector by the way that 10G and 1G is arranged, two-channel light source control system, optical power and a variety of photoswitches, BOB calibration test system is enabled to be compatible with a variety of rates and wavelength, to meet the test of existing fiber optic network product；It is provided with multi-channel test channel simultaneously, a station, a computer and a worker simultaneously test 8 fiber optic network products, substantially increase the speed of test.
Description
Technical field
The invention belongs to fiber optic communication field more particularly to a kind of BOB calibration test system and control methods.
Background technique
It before optical network unit comes into operation, needs to calibrate it and tested, but existing BOB calibration test system
It is to be directed to 1G product, calibration test can not be carried out to the optical network unit of 10G, meanwhile, existing test macro cannot be directed to
Multiple optical network units carry out calibration test simultaneously, greatly reduce the efficiency of enterprise's production.
Summary of the invention
One of the objects of the present invention is to provide a kind of BOB calibration test systems, for testing the light net of a variety of data flows
Network product, and further increase the efficiency of test.
To achieve the goals above, technical scheme is as follows:
A kind of BOB calibration test system, including the control of 10G multichannel Error Detector, 1G multichannel Error Detector, 10G two-channel light source
System, 1G two-channel light source control system, High-Speed Double-Channel optical switch module, program-controlled Optimizing Control System, Light splitter toy, 1G optical power
Meter, 10G light power meter, photoswitch one, photoswitch two, one-to-two wavelength division multiplexer and one-to-two division multiplexing optical device；
The output end of the 10G multichannel Error Detector is connect with the input terminal of 10G two-channel light source control system, and 1G multichannel misses
The output end of code instrument is connect with the input terminal of 1G two-channel light source control system, 10G two-channel light source control system and 1G bilateral
The output end of road light-source control system is connect with the input terminal of High-Speed Double-Channel optical switch module, High-Speed Double-Channel photoswitch mould
The output end of block and the input terminal of Light splitter toy connect, and the output end of Light splitter toy is connect with the input terminal of program-controlled Optimizing Control System, journey
The output end of control Optimizing Control System is connect with the input terminal of photoswitch one, the output end and one-to-two wavelength division multiplexer of photoswitch one
Input terminal connection, the output end of one-to-two wavelength division multiplexer connect with the input terminal for the division multiplexing optical device that is divided into two, and one point is
The output end of two division multiplexing optical devices is connect with the input terminal of photoswitch two, the output end of photoswitch two be connected with 1G light power meter and
10G light power meter.
Further, the optical path that High-Speed Double-Channel optical switch module exports is divided into 8 tunnels by the Light splitter toy, photoswitch one,
Photoswitch two, one-to-two wavelength division multiplexer and one-to-two division multiplexing optical device, 1G light power meter and 10G light power meter have 8.
The second object of the present invention is to provide a kind of control method of BOB calibration test system, the following institute of technical solution
It states:
A kind of control method of BOB calibration test system, comprising the following steps:
By PC machine respectively with 10G multichannel Error Detector, 1G multichannel Error Detector, 10G two-channel light source control system, 1G binary channels
Light-source control system, High-Speed Double-Channel optical switch module, program-controlled Optimizing Control System, 1G light power meter, 10G light power meter, exchange
Machine and product servers electrical connection carry out Initialize installation to interchanger, BOB calibration test system；
Selection needs tables of data to be tested, according to tables of data configured rate and wavelength, switches photoswitch one, photoswitch two, high speed
Binary channels optical switch module is to suitable channel；
Interchanger and one-to-two wavelength division multiplexer are inserted into the both ends of fiber optic network product respectively；
Click test: whether PC machine is online by interchanger reading fiber optic network product, controls light by telnet if online
MAC chip in fine networking products controls the parameter of fiber optic network product；If not online, check that fiber optic network product connects
It is whether normal；
Calibration test starts: including regulating optical power, adjusting extinction ratio, the calibration of TX optical power and the calibration of RX optical power；
The temperature compensation table of adjustment is written into fiber optic network product；
It tests the alarm of LOS and goes warning value.
Further, the optical power adjustment includes the following steps:
The adjustable range of the APC value of BOSA in the optical network unit is set；
An initial APC value is selected in the adjustable range, and the conversion of DAC value, conversion are carried out according to the initial APC value
Formula are as follows: the μ A * 2^ of DAC=7.185 (APCSET/32) reads optical power value according to DAC value；
Judge whether the optical power value is in preset critical field, if the optical power value is in the preset standard
In range, then the optical power adjustment is completed；If the optical power value is not in the preset critical field, two are used
Point-score calibrates the optical power, until the optical power value is located in the preset critical field.
Further, the extinction ratio adjusting includes the following steps:
According to the size for the light for entering ophthalmograp, the gear scale of ophthalmograp is set；
The value of the DAC of modulation electric current is set, so that modulation electric current and DAC ratio are fixed value；
The size of modulation electric current is adjusted according to the ratio of modulation electric current and DAC.
Further, TX optical power calibration the following steps are included:
The time-scale of TX optical power is set, the size of TX optical power value is controlled according to the value of equipment test.
Further, RX optical power calibration the following steps are included:
First is chosen respectively to receive luminous point, second receive luminous point and third and receive luminous point, and is recorded described first and received luminous point, the
Two reception luminous points and the third receive luminous point and correspond to the DAC value of photoelectric current, and establish One- place 2-th Order side according to each DAC value
Journey；
Second order coefficient is calculated according to solution quadratic equation with one unknown；
Overflow handling is carried out according to the second order coefficient.
Further, the alarm of the LOS and go warning value test the following steps are included:
One fixed value is set as the level value whether alerted, by optical network according to the size that fiber optic network product alerts level
The light that network product receives is beaten to alarm point, judges whether fiber optic network product alarm signal occurs, if occurring, without adjusting
Section, if not occurring, there is alarm signal in the value by the way that LOS is arranged；
Go the size of alarm level that one fixed value is set as whether the level value alerted is removed, by light according to fiber optic network product
The light that fine networking products receive is beaten to alarm point is removed, and judges whether fiber optic network product alarm signal occurs, if occurring,
Without adjusting, if not occurring, the value for currently removing alarm register is read, goes the value of alarm register to accuse by adjusting
Alert signal occurs.
Further, the interchanger has 16 tunnels, wherein 8 tunnels, for testing, remaining 8 tunnel is for preheating.
The present invention has the advantages that passing through the multichannel Error Detector of setting 10G and 1G, two-channel light source control system, light
Power and a variety of photoswitches, enable BOB calibration test system to be compatible with a variety of rates and wavelength, to meet existing optical network
The test of network product；It is provided with multi-channel test channel simultaneously, enables a station, a computer and a worker right simultaneously
8 fiber optic network products are tested, and the speed of test is substantially increased.
Detailed description of the invention
Fig. 1 is the light path principle figure of BOB calibration test system；
Fig. 2 is the connection block diagram of BOB calibration test system and PC machine.
Specific embodiment
Present invention is further described in detail with reference to embodiments.
The present embodiment proposes a kind of BOB calibration test system, as shown in Figure 1, including 10G multichannel Error Detector, 1G multi-pass
It is road Error Detector, 10G two-channel light source control system, 1G two-channel light source control system, High-Speed Double-Channel optical switch module, program-controlled
Optimizing Control System, Light splitter toy, 1G light power meter, 10G light power meter, photoswitch one, photoswitch two, one-to-two wavelength division multiplexer and
One-to-two division multiplexing optical device；The output end of the 10G multichannel Error Detector and the input terminal of 10G two-channel light source control system connect
It connects, the output end of 1G multichannel Error Detector is connect with the input terminal of 1G two-channel light source control system, the control of 10G two-channel light source
The output end of system and 1G two-channel light source control system is connect with the input terminal of High-Speed Double-Channel optical switch module, and high speed is double
The output end of channel optical switch module and the input terminal of Light splitter toy connect, and the output end of Light splitter toy is defeated with program-controlled Optimizing Control System
Enter end connection, the output end of program-controlled Optimizing Control System connect with the input terminal of photoswitch one, the output end of photoswitch one and one point
The input terminal of two wavelength division multiplexers connects, the input terminal of the output end of one-to-two wavelength division multiplexer and the division multiplexing optical device that is divided into two
Connection, the output end for the division multiplexing optical device that is divided into two are connect with the input terminal of photoswitch two, and the output end of photoswitch two is connected with 1G
Light power meter and 10G light power meter.The optical path that High-Speed Double-Channel optical switch module exports is divided into 8 by Light splitter toy in the present embodiment
Road, photoswitch one, photoswitch two, one-to-two wavelength division multiplexer and one-to-two division multiplexing optical device, 1G light power meter and 10G optical power
Meter has 8.
The control method of the BOB calibration test system, comprising the following steps:
1. PC machine is bis- with 10G multichannel Error Detector, 1G multichannel Error Detector, 10G two-channel light source control system, 1G respectively
Channel source control system, High-Speed Double-Channel optical switch module, program-controlled Optimizing Control System, 1G light power meter, 10G light power meter,
Interchanger and product servers electrical connection carry out Initialize installation to interchanger, BOB calibration test system, as shown in Figure 2；
2. selection needs tables of data to be tested, according to tables of data configured rate and wavelength, switch photoswitch one, photoswitch two, height
Fast binary channels optical switch module is to suitable channel；
3. interchanger and one-to-two wavelength division multiplexer are inserted into the both ends of fiber optic network product respectively；
4. clicking test: whether PC machine is online by interchanger reading fiber optic network product, passes through telnet if online and controls
MAC chip in fiber optic network product controls the parameter of fiber optic network product；If not online, check that fiber optic network product connects
It whether normal connects；
5. calibration test starts: including regulating optical power, adjusting extinction ratio, the calibration of TX optical power and the calibration of RX optical power；
6. the temperature compensation table of adjustment is written into fiber optic network product；
7. testing the alarm of LOS and going warning value.
When test, the light that Error Detector (Error Detector of 10G or 1G is selected according to product demand) issues is by Light splitter toy point
At program-controlled light-operated control system is entered behind 8 tunnels, program-controlled light-operated control system is selected after decaying to the light of entrance through photoswitch one
Enter one-to-two wavelength division multiplexer after selecting wavelength, the light that every road enters wavelength division multiplexer is divided into two-way, flows to other surveys all the way
Equipment is tried, another way enters fiber optic network product and carries out calibration test；It is multiple that the light that the fiber optic network product issues enters wavelength-division
With two-way is divided into after device, other test equipments are flowed to all the way, and another way enters one-to-two division multiplexing optical device, one-to-two division multiplexing optical
The light of entrance is divided into two-way with device, flows to other test equipments all the way, another way enters after the selection of photoswitch two to be corresponded to
Light power meter in carry out optical power test (light of 1G rate enters 1G light power meter, and the light of 10G rate enters 10G optical power
Meter).8 roads carry out simultaneously, and testing efficiency is high, and is applicable in the test of the light with a variety of rates, and the router in the present embodiment has
16 tunnels, wherein 8 tunnels are for testing, remaining 8 tunnel for preheating, in order to test the examination of 8 drive tests after, 8 tunnels of preheating can be with
It is directly tested, substantially reduces the time of test.
In the present embodiment, optical power adjustment includes the following steps:
1. the adjustable range of the APC value for the BOSA being arranged in the optical network unit；
2. selecting an initial APC value in the adjustable range, and the conversion of DAC value is carried out according to the initial APC value,
Reduction formula are as follows: the μ A * 2^ of DAC=7.185 (APCSET/32) reads optical power value according to DAC value；
3. judging whether the optical power value is in preset critical field, if the optical power value is in preset described
In critical field, then the optical power adjustment is completed；If the optical power value is not in the preset critical field, adopt
The optical power is calibrated with dichotomy, until the optical power value is located in the preset critical field.
Extinction ratio adjusting includes the following steps:
1. the gear scale of ophthalmograp is arranged according to the size for the light for entering ophthalmograp；
2. the value of the DAC of modulation electric current is arranged, so that modulation electric current and DAC ratio are fixed value；
3. adjusting the size of modulation electric current according to the ratio of modulation electric current and DAC.
TX optical power demarcates the time-scale the following steps are included: setting TX optical power, is controlled according to the value of equipment test
The size of TX optical power value.
RX optical power calibration the following steps are included:
Luminous point is received 1. choosing first respectively and receiving luminous point, the second reception luminous point and third, and records described first and receives light
Point, the second reception luminous point and the third receive luminous point and correspond to the DAC value of photoelectric current, and establish unitary according to each DAC value
Quadratic equation；
2. calculating second order coefficient according to solution quadratic equation with one unknown；
3. carrying out Overflow handling according to the second order coefficient.
The alarm of LOS and go warning value test the following steps are included:
1. a fixed value is arranged as the level value whether alerted, by light according to the size that fiber optic network product alerts level
The light that fine networking products receive is beaten to alarm point, judges whether fiber optic network product alarm signal occurs, if occurring, is not necessarily to
It adjusts, if not occurring, alarm signal occurs in the value by the way that LOS is arranged, and the value of LOS can be by dichotomy come fast velocity modulation
Section；
2. according to fiber optic network product go alarm level size be arranged a fixed value as whether go alert level value,
Light that fiber optic network product receives is turned to alarm point is removed, judges whether fiber optic network product alarm signal occurs, if going out
It is existing, then without adjusting, if not occurring, the value for currently removing alarm register is read, goes the value of alarm register to make by adjusting
Alarm signal must be gone to occur, go the value of alarm register that can quickly adjust by dichotomy.
Above-described embodiment is only used for illustrating design of the invention, rather than the restriction to rights protection of the present invention, all benefits
It is made a non-material change to the present invention with this design, protection scope of the present invention should all be fallen into.
Claims (9)
1. a kind of BOB calibration test system, it is characterised in that: bis- including 10G multichannel Error Detector, 1G multichannel Error Detector, 10G
Channel source control system, 1G two-channel light source control system, High-Speed Double-Channel optical switch module, program-controlled Optimizing Control System, light
Divide device, 1G light power meter, 10G light power meter, photoswitch one, photoswitch two, one-to-two wavelength division multiplexer and one-to-two division multiplexing optical
Use device；
The output end of the 10G multichannel Error Detector is connect with the input terminal of 10G two-channel light source control system, and 1G multichannel misses
The output end of code instrument is connect with the input terminal of 1G two-channel light source control system, 10G two-channel light source control system and 1G bilateral
The output end of road light-source control system is connect with the input terminal of High-Speed Double-Channel optical switch module, High-Speed Double-Channel photoswitch mould
The output end of block and the input terminal of Light splitter toy connect, and the output end of Light splitter toy is connect with the input terminal of program-controlled Optimizing Control System, journey
The output end of control Optimizing Control System is connect with the input terminal of photoswitch one, the output end and one-to-two wavelength division multiplexer of photoswitch one
Input terminal connection, the output end of one-to-two wavelength division multiplexer connect with the input terminal for the division multiplexing optical device that is divided into two, and one point is
The output end of two division multiplexing optical devices is connect with the input terminal of photoswitch two, the output end of photoswitch two be connected with 1G light power meter and
10G light power meter.
2. a kind of BOB calibration test system as described in claim 1, it is characterised in that: the Light splitter toy is by High-Speed Double-Channel
The optical path of optical switch module output is divided into 8 tunnels, photoswitch one, photoswitch two, one-to-two wavelength division multiplexer and one-to-two division multiplexing optical
There are 8 with device, 1G light power meter and 10G light power meter.
3. a kind of control method of BOB calibration test system, comprising the following steps:
By PC machine respectively with 10G multichannel Error Detector, 1G multichannel Error Detector, 10G two-channel light source control system, 1G binary channels
Light-source control system, High-Speed Double-Channel optical switch module, program-controlled Optimizing Control System, 1G light power meter, 10G light power meter, exchange
Machine and product servers electrical connection carry out Initialize installation to interchanger, BOB calibration test system；
Selection needs tables of data to be tested, according to tables of data configured rate and wavelength, switches photoswitch one, photoswitch two, high speed
Binary channels optical switch module is to suitable channel；
Interchanger and one-to-two wavelength division multiplexer are inserted into the both ends of fiber optic network product respectively；
Click test: whether PC machine is online by interchanger reading fiber optic network product, controls light by telnet if online
MAC chip in fine networking products controls the parameter of fiber optic network product；If not online, check that fiber optic network product connects
It is whether normal；
Calibration test starts: including regulating optical power, adjusting extinction ratio, the calibration of TX optical power and the calibration of RX optical power；
The temperature compensation table of adjustment is written into fiber optic network product；
It tests the alarm of LOS and goes warning value.
4. a kind of control method of BOB calibration test system as claimed in claim 3, it is characterised in that: the optical power adjusting
Section includes the following steps:
The adjustable range of the APC value of BOSA in the optical network unit is set；
An initial APC value is selected in the adjustable range, and the conversion of DAC value, conversion are carried out according to the initial APC value
Formula are as follows: the μ A * 2^ of DAC=7.185 (APCSET/32) reads optical power value according to DAC value；
Judge whether the optical power value is in preset critical field, if the optical power value is in the preset standard
In range, then the optical power adjustment is completed；If the optical power value is not in the preset critical field, two are used
Point-score calibrates the optical power, until the optical power value is located in the preset critical field.
5. a kind of control method of BOB calibration test system as claimed in claim 3, it is characterised in that: the extinction ratio tune
Section includes the following steps:
According to the size for the light for entering ophthalmograp, the gear scale of ophthalmograp is set；
The value of the DAC of modulation electric current is set, so that modulation electric current and DAC ratio are fixed value；
The size of modulation electric current is adjusted according to the ratio of modulation electric current and DAC.
6. a kind of control method of BOB calibration test system as claimed in claim 3, it is characterised in that: the TX optical power
Calibration the following steps are included:
The time-scale of TX optical power is set, the size of TX optical power value is controlled according to the value of equipment test.
7. a kind of control method of BOB calibration test system as claimed in claim 3, it is characterised in that: the RX optical power
Calibration the following steps are included:
First is chosen respectively to receive luminous point, second receive luminous point and third and receive luminous point, and is recorded described first and received luminous point, the
Two reception luminous points and the third receive luminous point and correspond to the DAC value of photoelectric current, and establish One- place 2-th Order side according to each DAC value
Journey；
Second order coefficient is calculated according to solution quadratic equation with one unknown；
Overflow handling is carried out according to the second order coefficient.
8. a kind of control method of BOB calibration test system as claimed in claim 3, it is characterised in that: the alarm of the LOS
With the test of going warning value the following steps are included:
One fixed value is set as the level value whether alerted, by optical network according to the size that fiber optic network product alerts level
The light that network product receives is beaten to alarm point, judges whether fiber optic network product alarm signal occurs, if occurring, without adjusting
Section, if not occurring, there is alarm signal in the value by the way that LOS is arranged；
Go the size of alarm level that one fixed value is set as whether the level value alerted is removed, by light according to fiber optic network product
The light that fine networking products receive is beaten to alarm point is removed, and judges whether fiber optic network product alarm signal occurs, if occurring,
Without adjusting, if not occurring, the value for currently removing alarm register is read, goes the value of alarm register to accuse by adjusting
Alert signal occurs.
9. a kind of control method of BOB calibration test system as claimed in claim 3, it is characterised in that: the interchanger has
16 tunnels, wherein 8 tunnels, for testing, remaining 8 tunnel is for preheating.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910788258.5A CN110492928B (en) | 2019-08-26 | 2019-08-26 | BOB calibration test system and control method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910788258.5A CN110492928B (en) | 2019-08-26 | 2019-08-26 | BOB calibration test system and control method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110492928A true CN110492928A (en) | 2019-11-22 |
| CN110492928B CN110492928B (en) | 2021-12-31 |
Family
ID=68553896
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910788258.5A Active CN110492928B (en) | 2019-08-26 | 2019-08-26 | BOB calibration test system and control method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110492928B (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112543053A (en) * | 2020-11-19 | 2021-03-23 | 深圳市友华通信技术有限公司 | BOB online correction method based on automatic calibration process |
| CN112821945A (en) * | 2021-02-20 | 2021-05-18 | 深圳市双翼科技股份有限公司 | BOSA test method, system, device and storage medium |
| CN112865860A (en) * | 2021-01-05 | 2021-05-28 | 深圳市双翼科技股份有限公司 | Calibration method and device for trillion passive optical network BOB equipment |
| CN114938242A (en) * | 2022-07-21 | 2022-08-23 | 深圳市亿联无限科技有限公司 | Nonlinear BOB power calibration method and system based on table lookup method and slope prediction |
| CN116016293A (en) * | 2023-03-22 | 2023-04-25 | 深圳市亿联无限科技股份有限公司 | Multi-task queue testing method, system and platform for network communication product production |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20130202290A1 (en) * | 2012-02-08 | 2013-08-08 | Broadcom Corporation | Optical Line Terminal (OLT) And Method Therefore For Performing In-Band And Out-Band OTDR Measurements |
| CN105790827A (en) * | 2016-04-19 | 2016-07-20 | 深圳极智联合科技股份有限公司 | Optical network terminal BOB calibration testing system and method thereof |
| CN109039445A (en) * | 2018-07-05 | 2018-12-18 | 四川长虹电器股份有限公司 | A kind of multichannel light cat commissioning test system and its commissioning method for testing |
| CN109167628A (en) * | 2018-11-02 | 2019-01-08 | 四川天邑康和通信股份有限公司 | A kind of BOB multiple channel test system |
-
2019
- 2019-08-26 CN CN201910788258.5A patent/CN110492928B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20130202290A1 (en) * | 2012-02-08 | 2013-08-08 | Broadcom Corporation | Optical Line Terminal (OLT) And Method Therefore For Performing In-Band And Out-Band OTDR Measurements |
| CN105790827A (en) * | 2016-04-19 | 2016-07-20 | 深圳极智联合科技股份有限公司 | Optical network terminal BOB calibration testing system and method thereof |
| CN109039445A (en) * | 2018-07-05 | 2018-12-18 | 四川长虹电器股份有限公司 | A kind of multichannel light cat commissioning test system and its commissioning method for testing |
| CN109167628A (en) * | 2018-11-02 | 2019-01-08 | 四川天邑康和通信股份有限公司 | A kind of BOB multiple channel test system |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112543053A (en) * | 2020-11-19 | 2021-03-23 | 深圳市友华通信技术有限公司 | BOB online correction method based on automatic calibration process |
| CN112543053B (en) * | 2020-11-19 | 2022-05-03 | 深圳市友华通信技术有限公司 | BOB online correction method based on automatic calibration process |
| CN112865860A (en) * | 2021-01-05 | 2021-05-28 | 深圳市双翼科技股份有限公司 | Calibration method and device for trillion passive optical network BOB equipment |
| CN112821945A (en) * | 2021-02-20 | 2021-05-18 | 深圳市双翼科技股份有限公司 | BOSA test method, system, device and storage medium |
| CN112821945B (en) * | 2021-02-20 | 2022-04-05 | 深圳市双翼科技股份有限公司 | BOSA test method, system, device and storage medium |
| CN114938242A (en) * | 2022-07-21 | 2022-08-23 | 深圳市亿联无限科技有限公司 | Nonlinear BOB power calibration method and system based on table lookup method and slope prediction |
| CN116016293A (en) * | 2023-03-22 | 2023-04-25 | 深圳市亿联无限科技股份有限公司 | Multi-task queue testing method, system and platform for network communication product production |
| CN116016293B (en) * | 2023-03-22 | 2023-08-25 | 深圳市亿联无限科技股份有限公司 | Multi-task queue testing method, system and platform for network communication product production |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110492928B (en) | 2021-12-31 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN110492928A (en) | A kind of BOB calibration test system and control method | |
| CN105049113B (en) | A kind of active light module multichannel automatization test system and method | |
| CN102201864B (en) | Loss testing apparatus for multi-channel optical device | |
| CN103647600B (en) | A kind of multi-channel intelligent optical testing device | |
| CN205693674U (en) | The multichannel debugging system of integrating device on a kind of bi-directional light device board | |
| CN103338077B (en) | Based on method for balancing powers and the system of the variable bandwidth optical network of OFDM | |
| CN112422182A (en) | Multifunctional debugging and testing device and method for WDM (wavelength division multiplexing) optical module | |
| CN104125012A (en) | Method and system for testing high-speed optical module | |
| CN108923850B (en) | Parallel multi-channel optical module testing device for 40Gbs, 100Gbs and 120Gbs | |
| CN108390717B (en) | Automatic calibration system and method for testing time attenuation of transmitting and receiving ends of optical communication products | |
| CN101110641A (en) | Loopback optical receiving-transmitting module and its testing device and method | |
| CN103067074B (en) | Passive optical network optical power meter calibration device and calibration method | |
| KR20130030191A (en) | Scheme for remote control of the wavelength of a tunable transmitter in a smart transceiver | |
| CN105790831B (en) | PON network equipment bidirectional transmit-receive optical power self-checking device | |
| CN110057544A (en) | A kind of photoelectric conversion module frequency response self-operated measuring unit and method | |
| CN109039445B (en) | Multi-channel optical modem debugging and testing system and debugging and testing method thereof | |
| CN107181523A (en) | A kind of optical module detecting system and detection method | |
| CN112688731A (en) | Multichannel TEC quick temperature change system | |
| CN103856262B (en) | System for measuring in-band OSNR through one-code-element delay interference and balance detection | |
| CN104506233A (en) | 1*N multi-channel optical switch polling test system | |
| WO2017181916A1 (en) | Method for automatically calibrating bidirectional light receiving and emitting power of pon network device | |
| CN107579799A (en) | Link wave spectrum method of adjustment and system based on DWDM | |
| CN103997372B (en) | The method for monitoring state and device of a kind of optical line terminal optical module | |
| CN216751765U (en) | Device for evaluating transceiving performance parameters of optical module through multi-channel test | |
| CN207819931U (en) | A kind of miniaturization 4x4MIMO microwave channel simulators |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: A BOB calibration test system and control method Effective date of registration: 20220803 Granted publication date: 20211231 Pledgee: Agricultural Bank of China Co., Ltd. Shaoxing Paojiang Sub-branch Pledgor: SHAOXING ZKTEL EQUIPMENT Co.,Ltd. Registration number: Y2022330001592 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right |