CN114374431B - Intelligent operation and maintenance system applied to optical module - Google Patents
Intelligent operation and maintenance system applied to optical module Download PDFInfo
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- CN114374431B CN114374431B CN202210054826.0A CN202210054826A CN114374431B CN 114374431 B CN114374431 B CN 114374431B CN 202210054826 A CN202210054826 A CN 202210054826A CN 114374431 B CN114374431 B CN 114374431B
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- 230000003287 optical effect Effects 0.000 title claims abstract description 136
- 238000012423 maintenance Methods 0.000 title claims abstract description 17
- 230000008859 change Effects 0.000 claims abstract description 6
- 238000000034 method Methods 0.000 claims description 18
- 239000004065 semiconductor Substances 0.000 claims description 3
- 238000004891 communication Methods 0.000 claims description 2
- 238000012544 monitoring process Methods 0.000 abstract description 3
- 239000013589 supplement Substances 0.000 abstract description 3
- 230000006870 function Effects 0.000 description 4
- 238000013461 design Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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
- H04B10/07955—Monitoring or measuring power
-
- 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
- H04B10/0799—Monitoring line transmitter or line receiver equipment
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- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Optical Communication System (AREA)
- Semiconductor Lasers (AREA)
Abstract
An intelligent operation and maintenance system applied to an optical module, comprising: the optical module service life self-checking module and the optical module online self-checking module; wherein: the optical module life self-checking module is used for reporting through a first private register according to the detected change of the light emitting power and the reporting bias current of the optical module, and acquiring the residual service time of the optical module; and the optical module online self-checking module is used for periodically reading the identification bit of the key device of the optical module, and reporting the identification bit through the second private register to obtain the use state of the key device of the optical module. The invention makes special definition for some unused register bits of SFF-8472 to supplement the on-network monitoring function of SFP+ optical module under the premise of following SFF-8472 protocol. The switch can have more address bits and modes to judge the network condition of the module, so that early warning is performed when the optical module has risk.
Description
Technical Field
The invention relates to the field of optical modules, in particular to an intelligent operation and maintenance system applied to an optical module.
Background
The sfp+ optical module generally monitors the network state of the module by 5 reported DDM values, including temperature DDM report, voltage DDM report, bias current DDM report, transmit optical power DDM report, and receive optical power DDM report, so as to determine whether the module fails. However, in the prior art, some unused register bits of the sff+ optical module are not defined, which wastes the use resources of the sff+ optical module register bits.
Disclosure of Invention
The present invention has been made in view of the above problems, and it is an object of the present invention to provide an intelligent operation and maintenance system for an optical module, which overcomes or at least partially solves the above problems.
In order to solve the technical problems, the embodiment of the application discloses the following technical scheme:
An intelligent operation and maintenance system applied to an optical module, comprising: the optical module service life self-checking module and the optical module online self-checking module; wherein:
The optical module life self-checking module is used for reporting through a first private register according to the detected change of the light emitting power and the reporting bias current of the optical module, and acquiring the residual service time of the optical module;
And the optical module online self-checking module is used for periodically reading the identification bit of the key device of the optical module, and reporting the identification bit through the second private register to obtain the use state of the key device of the optical module.
Further, the specific method for working the optical module life self-checking module comprises the following steps: the method comprises the steps of obtaining the ambient temperature and the light-emitting power of the optical module, ensuring the ambient temperature and the power stability of the optical module, continuously obtaining the bias current of the optical module, and judging the service life of the optical module to be ended when the bias current deviates from the factory bias current by more than 20% under the conditions of fixed ambient temperature and fixed light-emitting power according to the power-current curve of the semiconductor laser.
Further, the specific method for working the optical module life self-checking module further comprises the following steps: the method comprises the steps of obtaining the ambient temperature and the bias current of the optical module, ensuring the stability of the ambient temperature and the bias current of the optical module, continuously obtaining the power of the optical module, and judging the service life of the optical module when the deviation between the power of the optical module and the outgoing light of a factory exceeds 20% under the condition of the fixed ambient temperature and the bias current.
Further, the first private register is 96 th byte to 104 th byte and 123 th byte to 126 th byte of the optical module A0h, wherein: the 96 th byte represents the version of the intelligent operation and maintenance scheme, the 97 th byte represents the open-closed loop mode of the optical module, the 98 th to 103 th bytes respectively represent low temperature and Chang Wenhe th Wen Moshi th byte, the 104 th byte represents the threshold value for judging the deviation of the optical module, and the 123 th to 126 th bytes represent the residual working time value of the optical module.
Further, the optical module key device at least comprises: driver, CDR and EEPROM; wherein, whether the EEPROM of the optical module is damaged or not is judged by comparing whether the module checksum is correct or not.
Further, the CDR and Driver of the optical module are checked by determining whether the chip IIC communicates normally or whether the chip ID is correct.
Further, the second private register is a 127 th byte of A0h and a 113 th byte of A2h, wherein when the first bit position 1 of the 127 th byte of the A0h represents that the Driver device is damaged, when the second bit position 1 represents that the CDR device is damaged, when the third bit position 1 represents that the EEPROM device is damaged, when the fourth bit position 1 represents that the remaining time of the optical module is 0; a2h, 113 th byte, second bit position 1, represents that the optical module is corrupted.
The technical scheme provided by the embodiment of the invention has the beneficial effects that at least:
The invention discloses an intelligent operation and maintenance system applied to an optical module, which comprises: the optical module service life self-checking module and the optical module online self-checking module; wherein: the optical module life self-checking module is used for reporting through a first private register according to the detected change of the light emitting power and the reporting bias current of the optical module, and acquiring the residual service time of the optical module; and the optical module online self-checking module is used for periodically reading the identification bit of the key device of the optical module, and reporting the identification bit through the second private register to obtain the use state of the key device of the optical module. The invention makes special definition for some unused register bits of SFF-8472 to supplement the on-network monitoring function of SFP+ optical module under the premise of following SFF-8472 protocol. The switch can have more address bits and modes to judge the network condition of the module, so that early warning is performed when the optical module has risk.
The technical scheme of the invention is further described in detail through the drawings and the embodiments.
Drawings
The accompanying drawings are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate the invention and together with the embodiments of the invention, serve to explain the invention. In the drawings:
fig. 1 is a block diagram of an intelligent operation and maintenance system applied to an optical module in embodiment 1 of the present invention.
Detailed Description
Exemplary embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings. While exemplary embodiments of the present disclosure are shown in the drawings, it should be understood that the present disclosure may be embodied in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the disclosure to those skilled in the art.
In order to solve the problems in the prior art, the embodiment of the invention provides an intelligent operation and maintenance system applied to an optical module.
Example 1
An intelligent operation and maintenance system applied to an optical module, as shown in fig. 1, comprises: the optical module service life self-checking module and the optical module online self-checking module; wherein: the optical module life self-checking module is used for reporting through a first private register according to the detected change of the light emitting power and the reporting bias current of the optical module, and acquiring the residual service time of the optical module; and the optical module online self-checking module is used for periodically reading the identification bit of the key device of the optical module, and reporting the identification bit through the second private register to obtain the use state of the key device of the optical module.
In this embodiment, a specific method for operating the optical module lifetime self-checking module includes: the method comprises the steps of obtaining the ambient temperature and the light-emitting power of the optical module, ensuring the ambient temperature and the power stability of the optical module, continuously obtaining the bias current of the optical module, and judging the service life of the optical module to be ended when the bias current deviates from the factory bias current by more than 20% under the conditions of fixed ambient temperature and fixed light-emitting power according to the power-current curve of the semiconductor laser. In some preferred embodiments, the specific method for operating the optical module life self-checking module further comprises: the method comprises the steps of obtaining the ambient temperature and the bias current of the optical module, ensuring the stability of the ambient temperature and the bias current of the optical module, continuously obtaining the power of the optical module, and judging the service life of the optical module when the deviation between the power of the optical module and the outgoing light of a factory exceeds 20% under the condition of the fixed ambient temperature and the bias current.
In this embodiment, as in table one, the first private register is 96 th byte to 104 th byte and 123 th byte to 126 th byte of the optical module A0h, wherein: the 96 th byte represents the version of the intelligent operation and maintenance scheme, the 97 th byte represents the open-closed loop mode of the optical module, the 98 th to 103 th bytes respectively represent low temperature and Chang Wenhe th Wen Moshi th byte, the 104 th byte represents the threshold value for judging the deviation of the optical module, and the 123 th to 126 th bytes represent the residual working time value of the optical module.
List one
In this embodiment, the online self-checking module of the optical module is configured to periodically read identification bits of key devices of the optical module, where the key devices of the optical module at least include: driver, CDR and EEPROM; wherein, whether the EEPROM of the optical module is damaged or not is judged by comparing whether the module checksum is correct or not. And checking the CDR and Driver of the optical module by judging whether the communication of the chip IIC is normal or not or judging whether the chip ID is correct or not.
In this embodiment, as shown in table two, the second private register is A0h 127 th byte and A2h 113 th byte, where when the first bit position 1 of the A0h 127 th byte represents that the Driver device is damaged, when the second bit position 1 represents that the CDR device is damaged, when the third bit position 1 represents that the EEPROM device is damaged, and when the fourth bit position 1 represents that the remaining time of the optical module is 0; a2h, 113 th byte, second bit position 1, represents that the optical module is corrupted.
Watch II
The embodiment discloses an intelligent operation and maintenance system applied to an optical module, which comprises: the optical module service life self-checking module and the optical module online self-checking module; wherein: the optical module life self-checking module is used for reporting through a first private register according to the detected change of the light emitting power and the reporting bias current of the optical module, and acquiring the residual service time of the optical module; and the optical module online self-checking module is used for periodically reading the identification bit of the key device of the optical module, and reporting the identification bit through the second private register to obtain the use state of the key device of the optical module. The invention makes special definition for some unused register bits of SFF-8472 to supplement the on-network monitoring function of SFP+ optical module under the premise of following SFF-8472 protocol. The switch can have more address bits and modes to judge the network condition of the module, so that early warning is performed when the optical module has risk.
It should be understood that the specific order or hierarchy of steps in the processes disclosed are examples of exemplary approaches. Based on design preferences, it is understood that the specific order or hierarchy of steps in the processes may be rearranged without departing from the scope of the present disclosure. The accompanying method claims present elements of the various steps in a sample order, and are not meant to be limited to the specific order or hierarchy presented.
In the foregoing detailed description, various features are grouped together in a single embodiment for the purpose of streamlining the disclosure. This method of disclosure is not to be interpreted as reflecting an intention that the claimed embodiments of the subject matter require more features than are expressly recited in each claim. Rather, as the following claims reflect, invention lies in less than all features of a single disclosed embodiment. Thus the following claims are hereby expressly incorporated into this detailed description, with each claim standing on its own as a separate preferred embodiment of this invention.
Those of skill would further appreciate that the various illustrative logical blocks, modules, circuits, and algorithm steps described in connection with the embodiments disclosed herein may be implemented as electronic hardware, computer software, or combinations of both. To clearly illustrate this interchangeability of hardware and software, various illustrative components, blocks, modules, circuits, and steps have been described above generally in terms of their functionality. Whether such functionality is implemented as hardware or software depends upon the particular application and design constraints imposed on the overall system. Skilled artisans may implement the described functionality in varying ways for each particular application, but such implementation decisions should not be interpreted as causing a departure from the scope of the present disclosure.
The steps of a method or algorithm described in connection with the embodiments disclosed herein may be embodied directly in hardware, in a software module executed by a processor, or in a combination of the two. A software module may reside in RAM memory, flash memory, ROM memory, EPROM memory, EEPROM memory, registers, hard disk, a removable disk, a CD-ROM, or any other form of storage medium known in the art. An exemplary storage medium is coupled to the processor such the processor can read information from, and write information to, the storage medium. In the alternative, the storage medium may be integral to the processor. The processor and the storage medium may reside in an ASIC. The ASIC may reside in a user terminal. The processor and the storage medium may reside as discrete components in a user terminal.
For a software implementation, the techniques described in this disclosure may be implemented with modules (e.g., procedures, functions, and so on) that perform the functions described herein. These software codes may be stored in memory units and executed by processors. The memory unit may be implemented within the processor or external to the processor, in which case it can be communicatively coupled to the processor via various means as is known in the art.
The foregoing description includes examples of one or more embodiments. It is, of course, not possible to describe every conceivable combination of components or methodologies for purposes of describing the aforementioned embodiments, but one of ordinary skill in the art may recognize that many further combinations and permutations of various embodiments are possible. Accordingly, the embodiments described herein are intended to embrace all such alterations, modifications and variations that fall within the scope of the appended claims. Furthermore, as used in the specification or claims, the term "comprising" is intended to be inclusive in a manner similar to the term "comprising," as interpreted when employed as a transitional word in a claim. Furthermore, any use of the term "or" in the specification of the claims is intended to mean "non-exclusive or".
Claims (3)
1. An intelligent operation and maintenance system applied to an optical module, comprising: the optical module service life self-checking module and the optical module online self-checking module; wherein:
The optical module life self-checking module is used for reporting through a first private register according to the detected change of the light emitting power and the reporting bias current of the optical module, and acquiring the residual service time of the optical module; the first private register is 96 th byte to 104 th byte and 123 th byte to 126 th byte of the optical module A0h, wherein: the 96 th byte represents an intelligent operation and maintenance scheme version, the 97 th byte represents an optical module open-closed loop mode, the 98 th to 103 th bytes respectively represent low temperature and Chang Wenhe th Wen Moshi th byte represent a threshold value for judging the deviation of the optical module, and the 123 th to 126 th bytes represent the residual working time value of the optical module; the specific method for the operation of the optical module life self-checking module comprises the following steps: acquiring the ambient temperature and the light-emitting power of the optical module, ensuring the ambient temperature and the power stability of the optical module, continuously acquiring the bias current of the optical module, and judging the service life of the optical module to be ended when the bias current deviates by more than 20% from the factory bias current under the conditions of fixed ambient temperature and fixed light-emitting power according to the power-current curve of the semiconductor laser; the specific method for the operation of the optical module life self-checking module further comprises the following steps: acquiring the ambient temperature and the bias current of the optical module, ensuring the stability of the ambient temperature and the bias current of the optical module, continuously acquiring the power of the optical module, and judging the service life of the optical module to be ended when the deviation between the power of the optical module and the outgoing light of a factory exceeds 20% under the conditions of the fixed ambient temperature and the bias current;
The optical module online self-checking module is used for periodically reading the identification bit of the key device of the optical module and reporting the identification bit through the second private register to obtain the use state of the key device of the optical module; the second private register is a 127 th byte of A0h and a 113 th byte of A2h, wherein when the first bit position 1 of the 127 th byte of A0h represents that the Driver device is damaged, when the second bit position 1 represents that the CDR device is damaged, when the third bit position 1 represents that the EEPROM device is damaged, when the fourth bit position 1 represents that the rest time of the optical module is 0; a2h, 113 th byte, second bit position 1, represents that the optical module is corrupted.
2. The intelligent operation and maintenance system for an optical module according to claim 1, wherein the optical module key device comprises at least: driver, CDR and EEPROM; wherein, whether the EEPROM of the optical module is damaged or not is judged by comparing whether the module checksum is correct or not.
3. The intelligent operation and maintenance system for optical module according to claim 2, wherein the CDR and Driver of the optical module are checked by determining whether the communication of the chip IIC is normal or whether the chip ID is correct.
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| CN113346947A (en) * | 2021-05-18 | 2021-09-03 | 武汉光迅科技股份有限公司 | Method for self-monitoring and automatic evaluation of performance of light emitting end of optical module |
| CN113660035A (en) * | 2021-08-18 | 2021-11-16 | 青岛海信宽带多媒体技术有限公司 | Optical module and calibration unit definition method |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103997372B (en) * | 2014-05-16 | 2017-06-30 | 青岛海信宽带多媒体技术有限公司 | The method for monitoring state and device of a kind of optical line terminal optical module |
| CN110829578A (en) * | 2019-11-12 | 2020-02-21 | 嘉兴同禾传感技术有限公司 | Remote terminal unit with power-down protection and alarm functions and using method thereof |
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- 2022-01-18 CN CN202210054826.0A patent/CN114374431B/en active Active
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| CN101599796A (en) * | 2008-06-06 | 2009-12-09 | 中兴通讯股份有限公司 | Laser life-span end of a period alarm producing method |
| CN103152095A (en) * | 2013-01-29 | 2013-06-12 | 华为技术有限公司 | Life forecast method and life forecast device of optical module |
| CN108494496A (en) * | 2018-04-19 | 2018-09-04 | 青岛海信宽带多媒体技术有限公司 | Optical power value method of adjustment, system and optical module |
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