CN109194394A - A kind of device for detecting code error - Google Patents
A kind of device for detecting code error Download PDFInfo
- Publication number
- CN109194394A CN109194394A CN201810974620.3A CN201810974620A CN109194394A CN 109194394 A CN109194394 A CN 109194394A CN 201810974620 A CN201810974620 A CN 201810974620A CN 109194394 A CN109194394 A CN 109194394A
- Authority
- CN
- China
- Prior art keywords
- module
- error
- error code
- detection
- data
- 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.)
- Pending
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
- H04B10/075—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
Abstract
The present invention relates to a kind of device for detecting code error, including user terminal, control module, detection module, clock crystal oscillator module, Serdes module and optical module；User terminal is used to send operational order to detection module by control module；Clock crystal oscillator module is for generating the first reference clock or N reference clock；Detection module is used to be initialized according to the first reference clock activation system, system default the first operating mode of corresponding starting, and carries out the first error code testing or N error code testing according to operational order, sends corresponding pseudo-random code sequence to optical module；Its operation result for being also used to receive optical module transmission acquires error code data；Optical module sends operation result to detection module for receiving pseudo-random code sequence, the rear of operation.The beneficial effects of the present invention are: hardware cost is low, easy to operate, error detection is high-efficient, can be used in the error detection of the optic communication product of a variety of rates, to reduce production cost.
Description
Technical field
The present invention relates to technical field of photo communication more particularly to a kind of device for detecting code error.
Background technique
In recent years, during the optical communication system of multi tate is gradually being built, corresponding multi tate optical transceiver module is
Mass production, their performance indicator need corresponding error code testing system to carry out error code testing to it；With operator and enterprise
Industry net market to promoted network bandwidth there is an urgent need to demand of the market to multi tate optic communication product welcomes the increasing of explosion type
It is long, but due to the price of multi tate optical communication instrument valuableness, optic communication enterprise faces huge cost pressure in production,
And the error detection of multi tate optic communication product is the main cause that it is expensive；In addition, in actual engineer application
In be easy to appear the mismatch of interface, go wrong in practical engineering applications, be unsatisfactory for wanting the bit error rate in communication protocol
It asks, so while selecting optical module, it is necessary to be detected to the quality of optical module, test its bit error rate, to guarantee product
Stability and reliability.
Summary of the invention
The technical problem to be solved by the present invention is in view of the drawbacks of the prior art, provide a kind of device for detecting code error.
The technical scheme to solve the above technical problems is that
A kind of device for detecting code error is provided, including user terminal, control module, detection module, clock crystal oscillator module,
Serdes module and optical module；
The user terminal is used to send operational order to the detection module by the control module, is also used to receive
The error code data that the detection module is sent；
The clock crystal oscillator module is defaulted for generating the first reference clock or N reference clock, and when system starting
Generate the first reference clock；
The detection module is used to be initialized according to the first reference clock activation system, the corresponding starting of system default the
One operating mode, and the first error code testing or N error code testing are carried out according to the operational order, pass through the Serdes mould
Block sends corresponding pseudo-random code sequence to the optical module, wherein if the operational order is to carry out the first error code testing,
Detection module configures the first operating mode of system, if the operational order is to carry out N error code testing, system is switched to correspondence
N reference clock, and configure system N operating mode；It is also used to receive optical module by the Serdes module and send
Operation result, error code data are acquired from the operation result, and analyze the error code data；
Wherein, the N is natural number；
The optical module sends operation knot to the detection module for receiving the pseudo-random code sequence, the rear of operation
Fruit；
The Serdes module is arranged between the detection module and the optical module, for completing the detection module
The change of the serioparallel exchange of interaction data and interaction data rate between the optical module, wherein the interaction data packet
Include the pseudo-random code sequence and the operation result.
The beneficial effects of the present invention are: hardware cost of the present invention is low, easy to operate, error detection is high-efficient, activation system
When, defaulted by clock crystal oscillator module and generate the first reference clock, carry out system initialization, then the corresponding starting of system default the
One operating mode, and the first error code testing or N error code testing are carried out according to the operational order of user terminal, if the operation
Instruction is to carry out the first error code testing, then detection module configures the first operating mode of system, if the operational order is to carry out N
Error code testing, then system is switched to corresponding N reference clock, and configures system N operating mode, and system is carrying out error code survey
Before examination, is initialized first with defaulting the first reference clock generated, the first error code is directly then carried out according to operational order
Test, or it is switched to N operating mode, the system start-up initialisation time can be reduced, improves working efficiency, and can be used in
The error detection of the optic communication product of a variety of rates, so that the production cost of high rate optical communication products is largely reduced,
It can largely be assemblied on the production line of high rate optical communication products, the scheduling and planning for optic communication product.
Based on the above technical solution, the present invention can also be improved as follows.
Further, the detection module includes detection unit, transmission unit and receiving unit；
The detection unit is used for initial according to first reference clock or the second reference clock activation system
Change, system default the first operating mode of corresponding starting, and is sent according to the operational order to the transmission unit and carry out first
Error code testing or the instruction of N error code testing, wherein if the operational order is to carry out N error code testing, system is switched to
Corresponding N reference clock and N operating mode；
The transmission unit is used to pass through institute according to the first error code testing of carry out or N the error code testing instruction received
It states Serdes module and sends corresponding pseudo-random code sequence to the optical module；
The receiving unit is used to receive the operation result of the optical module by the Serdes module, and according to described
Operation result analyzes error code data and alarm data.
The beneficial effect of above-mentioned further scheme is: test instruction is sent to transmission unit by detection unit, by connecing
The operation result that unit receives optical module is received, and analyzes and acquire the error code data of pseudo-random code sequence simultaneously, and receive signal
Corresponding alarm data when losing with losing lock, to improve the accuracy rate of error detection.
Further, the transmission unit includes that subelement occurs for pattern, the pattern occurs subelement and is used for by described
Serdes module sends corresponding pseudo-random code sequence to the optical module.
The beneficial effect of above-mentioned further scheme is: by sending pseudo-random code sequence to optical module, to detect optical module
Error code data in the process of running.
Further, the receiving unit includes pattern detection sub-unit and alarm-monitor subelement, pattern detection
Unit is used to receive the operation result of the optical module by the Serdes module, and analyzes error code according to the operation result
Data, and the error code data are sent to the detection unit；The alarm-monitor subelement is used for according to the error code data
Alarm data is analyzed, and sends the alarm data to the detection unit.
The beneficial effect of above-mentioned further scheme is: during optical module runs pseudo-random code sequence, pattern detection
Unit is used to carry out statistics and analysis to the error code data generated in operational process, when generation Received Loss Of Signal and receives signal
When losing lock, alarm-monitor subelement generates corresponding alarm data.
Further, the error code data include that error code counts, current error rate and error code alert.
Further, the alarm data includes Received Loss Of Signal alarm and reception signal losing lock alarm.
Further, the priority of the alarm data is higher than the priority of the error code data.
The beneficial effect of above-mentioned further scheme is: issuing Received Loss Of Signal alarm in alarm-monitor subelement and receives
When signal losing lock alerts, the acquisition and analysis to error code data can be stopped, in time to improve the accuracy of error code data.
Further, the control module includes micro-control unit and FPGA, the micro-control unit is real by the FPGA
Now to the access control of the detection unit, the data interaction of the user terminal Yu the detection module is realized；The FPGA
For realizing the conversion of communication protocol between the micro-control unit and the detection unit.
The beneficial effect of above-mentioned further scheme is: due to cannot directly be led between micro-control unit and detection unit
Letter between micro-control unit and FPGA, uses different communication protocol between FPGA and detection unit, realize that two kinds lead to by FPGA
Believe the mutual conversion between agreement, and then realizes the data interaction between micro-control unit, user terminal and detection unit.
Detailed description of the invention
Fig. 1 is the module principle figure of device for detecting code error of the present invention.
Specific embodiment
The principle and features of the present invention will be described below with reference to the accompanying drawings, and the given examples are served only to explain the present invention, and
It is non-to be used to limit the scope of the invention.
As shown in Figure 1, a kind of device for detecting code error comprising user terminal, control module, detection module, clock crystal oscillator
Module, Serdes module and optical module；
The user terminal is used to send operational order to the detection module by the control module, is also used to receive
The error code data that the detection module is sent；
The clock crystal oscillator module is defaulted for generating the first reference clock or N reference clock, and when system starting
Generate the first reference clock；
The detection module is used to be initialized according to the first reference clock activation system, the corresponding starting of system default the
One operating mode, and the first error code testing or N error code testing are carried out according to the operational order, pass through the Serdes mould
Block sends corresponding pseudo-random code sequence to the optical module, wherein if the operational order is to carry out the first error code testing,
Detection module configures the first operating mode of system, if the operational order is to carry out N error code testing, system is switched to correspondence
N reference clock, and configure system N operating mode；It is also used to receive optical module by the Serdes module and send
Operation result, error code data are acquired from the operation result, and analyze the error code data；
Wherein, the N is natural number；
The optical module sends operation knot to the detection module for receiving the pseudo-random code sequence, the rear of operation
Fruit；
The Serdes module is arranged between the detection module and the optical module, for completing the detection module
The change of the serioparallel exchange of interaction data and interaction data rate between the optical module, wherein the interaction data packet
Include the pseudo-random code sequence and the operation result.
First reference clock, first operating mode and first error code testing correspond, the N ginseng
Clock, the N operating mode and the N error code testing is examined to correspond；First operating mode and the N work
Mode respectively corresponds the operating mode under a kind of benchmark service rate, such as IEEE 802.3bm 40GE benchmark service rate, IEEE
4.4 OTU4 benchmark service rate of 802.3ba 100GE benchmark service rate and ITU OTL.
The detection module includes detection unit, transmission unit and receiving unit；
The detection unit is used to be initialized according to the first reference clock activation system, the corresponding starting of system default the
One operating mode, and sent according to the operational order to the transmission unit and carry out the first error code testing or the survey of N error code
Examination instruction, wherein if the operational order is to carry out N error code testing, system is switched to corresponding N reference clock, with
And N operating mode；
The transmission unit is used to pass through institute according to the first error code testing of carry out or N the error code testing instruction received
It states Serdes module and sends corresponding pseudo-random code sequence to the optical module；
The receiving unit is used to receive the operation result of the optical module by the Serdes module, and according to described
Operation result analyzes error code data and alarm data.
The transmission unit includes that subelement occurs for pattern, and the pattern occurs subelement and is used to pass through the Serdes mould
Block sends corresponding pseudo-random code sequence to the optical module.
The receiving unit includes pattern detection sub-unit and alarm-monitor subelement, and the pattern detection sub-unit is used for
The operation result of the optical module is received by the Serdes module, and error code data are analyzed according to the operation result, and
The error code data are sent to the detection unit；The alarm-monitor subelement is used to be analyzed according to the error code data and alert
Data, and the alarm data is sent to the detection unit.
The error code data include that error code counts, current error rate and error code alert.
The alarm data includes Received Loss Of Signal alarm and reception signal losing lock alarm.
The priority of the alarm data is higher than the priority of the error code data.
The control module includes micro-control unit and FPGA, and the micro-control unit is realized by the FPGA to described
The access control of detection unit realizes the data interaction of the user terminal Yu the detection module；The FPGA for realizing
The conversion of communication protocol between the micro-control unit and the detection unit.
In the present embodiment, MDIO communication agreement, the microcontroller list are used between the FPGA and the detection unit
It is first that SPI communication agreement is used between the FPGA；It cannot directly be carried out between the micro-control unit and the detection unit
Communication so realizing the mutual conversion between MDIO communication agreement and SPI communication agreement by the FPGA, and then realizes that user is whole
Data interaction between end and detection unit.
It further include power module, the power module is used to power to the detection module.
A kind of error detection operating process of device for detecting code error the following steps are included:
S01: clock crystal oscillator module default generates the first reference clock；
S02: detection module judges whether the first reference clock is ready to, if being not ready for, system starting failure is returned
It returns step S01 and carries out step S03 if the first reference clock is ready；
S03: the initialization of detection module activation system, system default the first operating mode of corresponding starting；
S04: detection module judges whether system initialization succeeds, if not succeeding, system starting failure, and return step
S01, if system initialization success, carries out step S05；
S05: detection module waits user terminal operations instruction, judges whether to the first error code testing, if so, carrying out
Step S06, if it is not, then carrying out step S07；
S06: if carrying out the first error code testing, detection module configures the first operating mode of system；
S07: if without the first error code testing, detection module judges whether to N error code testing, if it is not, then
Return step S05, if so, clock module switches N reference clock, detection module configures system N operating mode；
S08: detection module sends pseudo-random code sequence to optical module by Serdes module, and optical module receives pseudo noise code
Sequence, and run；
S09: detection module receives optical module operation result by Serdes module, acquires error code from the operation result
Data, and analyze the error code data；
S10: user terminal inquires error code data by control module；
Wherein, the N is natural number.
Specifically, step S02 relevant operation of detection module into step S09 is carried out by detection unit；
Wherein, the concrete operations process of the step S08 is that detection unit starts transmission unit, by transmission unit
Pattern occurs subelement and sends pseudo-random code sequence to optical module by Serdes module, and optical module receives pseudo-random code sequence,
And it runs；
The concrete operations process of the step S09 is that receiving unit receives the operation knot of optical module by Serdes module
Fruit acquires error code data by pattern detection sub-unit from the operation result, and analyzes the error code data, by alarm-monitor
Subelement analyzes alarm data according to the error code data；
In the step S10, the error code data that user terminal is inquired by control module include that error code is counted, currently missed
Code rate and error code alarm, moreover it is possible to inquire the alarm number including Received Loss Of Signal alerts and receives the alarm of signal losing lock
According to.
Wherein, the dedicated core of error code testing for the model VSC8248 that the detection unit is produced using Microsemi company
Piece, working principle and electric connecting relation are existing well-known technique, and details are not described herein.
In the optical module operational process, the step S09 is synchronous real time execution with the step S10.
In the step S10, if alarm-monitor subelement to alarm data, i.e., Received Loss Of Signal alarm and receives signal
Losing lock alarm, then pattern detection sub-unit stops analysis and update to error code data in the step S09, until alarm data
It disappears.
When generating Received Loss Of Signal alarm and receiving the alarm of signal losing lock, Received Loss Of Signal pair can be locked immediately
As, and reduce the influence that Received Loss Of Signal acquires error code data.
In the step S10, if user terminal inquires alarm data, user terminal can be according to Received Loss Of Signal
Alarm and reception signal losing lock warning information position the measurand to break down, and the measurand is to transport in optical module
Capable pseudo-random code sequence.
The foregoing is merely presently preferred embodiments of the present invention, is not intended to limit the invention, it is all in spirit of the invention and
Within principle, any modification, equivalent replacement, improvement and so on be should all be included in the protection scope of the present invention.
Claims (8)
1. a kind of device for detecting code error, it is characterised in that: including user terminal, control module, detection module, clock crystal oscillator mould
Block, Serdes module and optical module；
The user terminal is used to send operational order to the detection module by the control module, is also used to receive described
The error code data that detection module is sent；
For generating the first reference clock or N reference clock, and when system starting, default generates the clock crystal oscillator module
First reference clock；
The detection module is used to be initialized according to the first reference clock activation system, system default the first work of corresponding starting
Operation mode, and the first error code testing or N error code testing are carried out according to the operational order, by the Serdes module to
The optical module sends corresponding pseudo-random code sequence, wherein if the operational order is to carry out the first error code testing, detects
The first operating mode of module configuration system, if the operational order is to carry out N error code testing, system is switched to corresponding the
N reference clock, and configure system N operating mode；It is also used to receive the fortune that optical module is sent by the Serdes module
Row from the operation result as a result, acquire error code data, and analyze the error code data；
Wherein, the N is natural number；
The optical module sends operation result to the detection module for receiving the pseudo-random code sequence, the rear of operation；
The Serdes module is arranged between the detection module and the optical module, for completing the detection module and institute
State the change of the serioparallel exchange of interaction data and interaction data rate between optical module, wherein the interaction data includes institute
State pseudo-random code sequence and the operation result.
2. a kind of device for detecting code error according to claim 1, it is characterised in that: the detection module include detection unit,
Transmission unit and receiving unit；
The detection unit is used to be initialized according to the first reference clock activation system, system default the first work of corresponding starting
Operation mode, and referred to according to the operational order to transmission unit transmission the first error code testing of progress or N error code testing
It enables, wherein if the operational order is to carry out N error code testing, system is switched to corresponding N reference clock and N
Operating mode；
The transmission unit is used to be passed through according to the first error code testing of carry out or N the error code testing instruction received described
Serdes module sends corresponding pseudo-random code sequence to the optical module；
The receiving unit is used to receive the operation result of the optical module by the Serdes module, and according to the operation
Interpretation of result error code data and alarm data.
3. a kind of device for detecting code error according to claim 2, it is characterised in that: the transmission unit includes that son occurs for pattern
Unit, the pattern occur subelement and are used to send corresponding pseudo noise code sequence to the optical module by the Serdes module
Column.
4. a kind of device for detecting code error according to claim 2, it is characterised in that: the receiving unit includes pattern detection
Unit and alarm-monitor subelement, the pattern detection sub-unit are used to receive the optical module by the Serdes module
Operation result, and error code data are acquired according to the operation result, and send the error code data to the detection unit；It is described
Alarm-monitor subelement is used to analyze alarm data according to the error code data, and sends the alarm number to the detection unit
According to.
5. a kind of device for detecting code error according to claim 4, it is characterised in that: the error code data include error code count,
Current error rate and error code alarm.
6. a kind of device for detecting code error according to claim 5, it is characterised in that: the alarm data includes receiving signal to lose
It loses alarm and receives the alarm of signal losing lock.
7. a kind of device for detecting code error according to claim 6, it is characterised in that: the priority of the alarm data is higher than institute
State the priority of error code data.
8. a kind of device for detecting code error according to claim 2, it is characterised in that: the control module includes micro-control unit
And FPGA, the micro-control unit realize the access control to the detection unit by the FPGA, realize that the user is whole
The data interaction at end and the detection module；The FPGA leads to for realizing between the micro-control unit and the detection unit
Believe the conversion of agreement.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810974620.3A CN109194394A (en) | 2018-08-24 | 2018-08-24 | A kind of device for detecting code error |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810974620.3A CN109194394A (en) | 2018-08-24 | 2018-08-24 | A kind of device for detecting code error |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109194394A true CN109194394A (en) | 2019-01-11 |
Family
ID=64919830
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810974620.3A Pending CN109194394A (en) | 2018-08-24 | 2018-08-24 | A kind of device for detecting code error |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109194394A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113259000A (en) * | 2021-07-13 | 2021-08-13 | 深圳市力子光电科技有限公司 | Optical module testing arrangement |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20060200708A1 (en) * | 2002-03-18 | 2006-09-07 | Paul Gentieu | System and method for network error rate testing |
| CN101132245A (en) * | 2006-08-22 | 2008-02-27 | 中兴通讯股份有限公司 | Digital synchronization series simple instrument implementing device |
| CN106059723A (en) * | 2016-08-03 | 2016-10-26 | 索尔思光电（成都）有限公司 | Signal source, error code tester, signal generation method and error code test method |
-
2018
- 2018-08-24 CN CN201810974620.3A patent/CN109194394A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20060200708A1 (en) * | 2002-03-18 | 2006-09-07 | Paul Gentieu | System and method for network error rate testing |
| CN101132245A (en) * | 2006-08-22 | 2008-02-27 | 中兴通讯股份有限公司 | Digital synchronization series simple instrument implementing device |
| CN106059723A (en) * | 2016-08-03 | 2016-10-26 | 索尔思光电（成都）有限公司 | Signal source, error code tester, signal generation method and error code test method |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113259000A (en) * | 2021-07-13 | 2021-08-13 | 深圳市力子光电科技有限公司 | Optical module testing arrangement |
| CN113259000B (en) * | 2021-07-13 | 2022-03-04 | 深圳市力子光电科技有限公司 | Optical module testing arrangement |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN109039450B (en) | Multi-rate error code detection device and detection method thereof | |
| EP2903213B1 (en) | Throughput test method and apparatus | |
| CN106789430B (en) | A kind of point-to-point link fault detection method | |
| CN108462601B (en) | Multi-protection-group switching method and device applied to optical transmission network and network element equipment | |
| EP3809636B1 (en) | Time delay measuring method and network device | |
| US9705777B2 (en) | System and method for monitoring encoded signals in a network | |
| US8065571B2 (en) | Storage area network (SAN) link integrity tester | |
| CN110784339B (en) | LACP message overtime fault detection method and device, and electronic equipment | |
| CN109194393A (en) | A kind of multi tate error code testing device and its test method | |
| CN109194394A (en) | A kind of device for detecting code error | |
| CN109194392A (en) | A kind of multi tate error detection system and its detection method | |
| CN109194391A (en) | A kind of error detection system and its detection method | |
| US20130336129A1 (en) | Multipurpose Use of Delay Measurement Message Buffer for Software Processing of Delay Measurement Response | |
| CN109217921B (en) | Error code testing device and testing method thereof | |
| CN113810238A (en) | Network monitoring method, electronic device and storage medium | |
| CN113271612A (en) | Reporting method and device for telemetering iFIT detection information along with flow information | |
| CN112312376B (en) | Method and system for remotely and interactively managing multifunctional electric meter | |
| CN109067457B (en) | Multi-rate error code analysis detector | |
| CN107135039A (en) | A kind of error rate test device and method based on HCA cards | |
| CN112636825A (en) | Method, device and system for measuring time delay in optical transport network | |
| CN113037584B (en) | Node state detection method, device, equipment and storage medium | |
| CN114003549B (en) | 5G radio frequency unit testing method and device based on heterogeneous SOC | |
| CN117014341B (en) | Virtual switch testing method and system | |
| EP2898630B1 (en) | Network services testing with pluggable transceivers | |
| US20090296796A1 (en) | Method and apparatus for improved storage area network link integrity testing |
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 | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20190111 |
|
| RJ01 | Rejection of invention patent application after publication |