CN115664515A - Optical fiber link monitoring system and method for monitoring optical fiber link fault - Google Patents
Optical fiber link monitoring system and method for monitoring optical fiber link fault Download PDFInfo
- Publication number
- CN115664515A CN115664515A CN202211318587.1A CN202211318587A CN115664515A CN 115664515 A CN115664515 A CN 115664515A CN 202211318587 A CN202211318587 A CN 202211318587A CN 115664515 A CN115664515 A CN 115664515A
- Authority
- CN
- China
- Prior art keywords
- optical fiber
- optical
- optical transmission
- transmission device
- fiber link
- 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
Images
Abstract
The application discloses an optical fiber link monitoring system and a method for monitoring faults of an optical fiber link. Wherein, the method comprises the following steps: determining the power of an optical signal received by a receiving end of optical transmission equipment; comparing the power of the optical signal with a preset power value to obtain a comparison result; if the comparison result indicates that the power of the optical signal is smaller than the preset power value, determining that the optical fiber link of the optical transmission equipment has a fault, and sending alarm information; and if the comparison result indicates that the power of the received optical signal is greater than the preset power value, determining that the optical fiber link of the optical transmission equipment is not in fault. The method solves the technical problem that the fault of the communication optical cable is difficult to prevent due to the fact that a method for predicting the degradation degree of the optical cable line in advance is absent in the related technology.
Description
Technical Field
The application relates to the technical field of communication optical cables, in particular to an optical fiber link monitoring system and a method for monitoring faults of an optical fiber link.
Background
When the power communication optical cable is applied to different temperatures, different environments and different devices, the operation condition and the index can be changed, and finally the power communication optical cable is blocked or the full-resistance fault is caused.
In view of the above problems, no effective solution has been proposed.
Disclosure of Invention
The embodiment of the application provides an optical fiber link monitoring system and a method for monitoring optical fiber link faults, so as to at least solve the technical problem that communication optical cable faults are difficult to prevent due to the fact that a method for predicting the degradation degree of an optical cable line in advance is absent in the related technology.
According to an aspect of an embodiment of the present application, there is provided a fiber link monitoring system, including: first optical transmission equipment, second optical transmission equipment, fiber link, adjustable fiber attenuator and fixed fiber attenuator, wherein, first optical transmission equipment and second optical transmission equipment all include: the optical fiber signal transmitting device comprises a transmitting end and a receiving end, wherein the transmitting end is used for transmitting an optical fiber signal, and the receiving end is used for receiving the optical fiber signal; the optical fiber link is arranged between the sending end and the receiving end and used for transmitting optical fiber signals; the fixed optical fiber attenuators are respectively arranged on one sides, close to the receiving end, of the first optical transmission device and the second optical transmission device and are used for setting a power threshold value of the receiving end for receiving the optical signals; the adjustable optical fiber attenuator is respectively arranged on one side, close to the receiving end, of the first optical transmission device and one side, close to the receiving end, of the second optical transmission device, and is used for determining the power of an optical fiber signal transmitted on the optical fiber link when the optical fiber link fails by adjusting a power threshold value.
Optionally, the first optical transmission device and the second optical transmission device are full duplex communication devices, the first optical transmission device sends the optical fiber signal to the receiving end of the second optical transmission device through its own sending end, and the second optical transmission device sends the optical fiber signal to the receiving end of the first optical transmission device through its own sending end.
Optionally, the optical fiber link includes a first optical fiber link and a second optical fiber link, where the first optical fiber link is disposed between the transmitting end of the first optical transmission device and the receiving end of the second optical transmission device, and the second optical fiber link is disposed between the transmitting end of the second optical transmission device and the receiving end of the first optical transmission device.
Optionally, in the optical fiber link monitoring system, the number of the fixed optical fiber attenuators is at least two, and the fixed optical fiber attenuators are respectively disposed on one side of the first optical transmission device and one side of the second optical transmission device, where the side is close to the receiving end.
Optionally, in the optical fiber link monitoring system, the number of the adjustable optical fiber attenuators is two, and the two adjustable optical attenuators are respectively disposed on one side of the first optical transmission device and one side of the second optical transmission device, which are close to the receiving end.
Optionally, when the optical fiber link monitoring system is tested, if an alarm signal indicating that the optical fiber link fails is generated, the adjustable optical fiber attenuator is used for adjusting the power threshold until the alarm signal is not generated any more, and determining that the corresponding power threshold when the alarm signal is not generated any more is the target power threshold; and determining the target power threshold as the power of the optical fiber signal transmitted on the optical fiber link when the optical fiber link fails.
Optionally, the adjustable fiber optic attenuator is zeroed after testing the fiber optic link monitoring system.
According to another aspect of the embodiments of the present application, there is provided a method for monitoring a fiber link failure, the method being applied to the fiber link monitoring system, and including the following steps: determining the power of an optical signal received by a receiving end of optical transmission equipment; comparing the power of the optical signal with a preset power value to obtain a comparison result; if the comparison result indicates that the power of the optical signal is smaller than the preset power value, determining that the optical fiber link of the optical transmission equipment has a fault, and sending alarm information; and if the comparison result indicates that the power of the received optical signal is greater than the preset power value, determining that the optical fiber link of the optical transmission equipment is not in fault.
According to another aspect of the embodiments of the present application, there is also provided a non-volatile storage medium, in which a program is stored, where the program is executed to control a device in which the non-volatile storage medium is located to perform the above method for monitoring the fiber link failure.
According to another aspect of the embodiments of the present application, there is also provided an electronic device, including: a memory and a processor for executing a program stored in the memory, wherein the program when executed performs the above-described method of monitoring for fiber link failure.
In the embodiment of the present application, an optical fiber link monitoring system is provided, which determines the power of an optical signal received by a receiving end of an optical transmission device; comparing the power of the optical signal with a preset power value to obtain a comparison result; if the comparison result indicates that the power of the optical signal is smaller than the preset power value, determining that the optical fiber link of the optical transmission equipment has a fault, and sending alarm information; if the comparison result indicates that the power of the received optical signal is greater than the preset power value, determining the mode that the optical fiber link of the optical transmission equipment is not in fault; judging whether the optical fiber signal transmitted by the optical fiber link fails or not by comparing the threshold values of the first optical transmission device and the second optical transmission device in the optical fiber link monitoring system with the power value of the optical fiber signal transmitted by the optical fiber link in the optical fiber link monitoring system; the purpose of timely finding index changes of the optical fiber signals is achieved by monitoring the power values of the optical fiber signals, so that the technical effect of predicting the degradation degree of the optical cable circuit in advance is achieved, and the technical problem that communication optical cable faults are difficult to prevent due to the fact that a method for predicting the degradation degree of the optical cable circuit in advance is absent in the related technology is solved.
Drawings
The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the application and together with the description serve to explain the application and not to limit the application. In the drawings:
fig. 1 is a schematic structural diagram of an optical fiber link monitoring system provided according to an embodiment of the present application;
fig. 2 is a flowchart of a method for monitoring a fiber link failure according to an embodiment of the present disclosure.
Detailed Description
In order to make the technical solutions better understood by those skilled in the art, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only partial embodiments of the present application, but not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
It should be noted that the terms "first," "second," and the like in the description and claims of this application and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used is interchangeable under appropriate circumstances such that the embodiments of the application described herein are capable of operation in sequences other than those illustrated or described herein. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.
In the related technology, through combining the computer, the communication technology and the optical fiber cable characteristics, an automatic monitoring system for carrying out remote distributed real-time monitoring, storage and information comparison on the optical cable is provided, the system needs to utilize auxiliary equipment with high manufacturing cost and maintenance cost, the problem of low resource utilization rate exists, a great deal of inconvenience is brought to practical application, in addition, the actual workload is increased for the operation and maintenance of the auxiliary equipment, and the problem of poor operation and maintenance effect exists. In order to solve the above problem, in the embodiment of the present application, an existing optical transmission device plate and a fiber core are used to construct a light path, and an optical plate fixed light receiving power value is adjusted in combination with an upper threshold value and a lower threshold value of the optical transmission device plate to monitor an operation condition of an existing optical cable, which is described in detail below.
In accordance with embodiments of the present application, there is provided embodiments of a fiber link monitoring system and method of monitoring fiber link failures, it being noted that the steps illustrated in the flowchart of the drawings may be performed in a computer system, such as a set of computer-executable instructions, and that while a logical order is illustrated in the flowchart, in some cases the steps illustrated or described may be performed in an order different than here.
Fig. 1 is a schematic diagram of an optical fiber link monitoring system provided according to an embodiment of the present application, and as shown in fig. 1, the optical fiber link monitoring system includes: a first optical transmission device 10, a second optical transmission device 12, an optical fiber link 14, a tunable optical fiber attenuator 16, and a fixed optical fiber attenuator 18, wherein each of the first optical transmission device 10 and the second optical transmission device 12 includes: the optical fiber signal transmitting device comprises a transmitting end and a receiving end, wherein the transmitting end is used for transmitting an optical fiber signal, and the receiving end is used for receiving the optical fiber signal; an optical fiber link 14 disposed between the transmitting end and the receiving end for transmitting an optical fiber signal; the fixed optical fiber attenuators 18 are respectively arranged on one sides of the first optical transmission equipment 10 and the second optical transmission equipment 12 close to the receiving end and are used for setting a power threshold value of the receiving end for receiving the optical signal; and the adjustable optical fiber attenuators 16 are respectively arranged on the sides, close to the receiving end, of the first optical transmission device 10 and the second optical transmission device 12, and are used for determining the power of the optical fiber signal transmitted on the optical fiber link 14 when the optical fiber link 14 fails by adjusting the power threshold.
As shown in fig. 1, in the optical fiber link monitoring system, an optical path constructed by first optical transmission equipment 10 and second optical transmission equipment 12 is used to monitor an optical fiber signal transmitted in an optical fiber link 14, and a threshold (i.e., a power threshold) of a light board (i.e., the first optical transmission equipment 10 and the second optical transmission equipment 12) is combined to determine whether the optical fiber signal transmitted by the optical fiber link 14 fails; wherein, the fixed optical fiber attenuator 18 is arranged at the light receiving position near the receiving end of the optical board (i.e. the first optical transmission device 10 and the second optical transmission device 12), and the fixed light receiving power threshold of the optical board (i.e. the first optical transmission device 10 and the second optical transmission device 12) is adjusted by the fixed optical fiber attenuator 18; the adjustable optical fiber attenuator 16 is disposed at a light receiving position near a receiving end of the optical fiber link 14 (i.e., the first optical transmission device 10 and the second optical transmission device 12), when it is detected that the optical fiber signal transmitted by the optical fiber link 14 has a fault, the optical fiber link monitoring system sends an alarm signal, and at this time, the adjustable optical fiber attenuator 16 readjusts the fixed light receiving power threshold of the optical fiber link 14 (i.e., the first optical transmission device 10 and the second optical transmission device 12) to determine the power value when the optical fiber signal transmitted by the optical fiber link 14 has the fault.
According to an alternative embodiment of the present application, the first optical transmission device 10 and the second optical transmission device 12 shown in fig. 1 are full-duplex communication devices, the first optical transmission device 10 sends an optical fiber signal to a receiving end of the second optical transmission device 12 through its own sending end, and the second optical transmission device 12 sends an optical fiber signal to a receiving end of the first optical transmission device 10 through its own sending end.
The first optical transmission device 10 and the second optical transmission device 12 are both full-duplex communication devices, and can send information or receive information, when the optical fiber link monitoring system shown in fig. 1 operates, the first optical transmission device 10 and the second optical transmission device 12 can perform bidirectional real-time communication, the first optical transmission device 10 can send an optical fiber signal to the second optical transmission device 12 and receive an optical fiber signal sent by the second optical transmission device 12, and similarly, the second optical transmission device 12 can send an optical fiber signal to the first optical transmission device 10 and receive an optical fiber signal sent by the first optical transmission device 10.
In order to implement the full duplex communication between the first optical transmission device 10 and the second optical transmission device 12, the optical fiber link 14 includes a first optical fiber link 142 and a second optical fiber link 144, where the first optical fiber link 142 is disposed between the transmitting end of the first optical transmission device 10 and the receiving end of the second optical transmission device 12, and the second optical fiber link 144 is disposed between the transmitting end of the second optical transmission device 12 and the receiving end of the first optical transmission device 10.
In this embodiment, the optical fiber link monitoring system constructed by the first optical transmission device 10 and the second optical transmission device 12 is a full duplex communication system, and since the full duplex communication standard specifies that the full duplex communication system adopts a method in which a sending line and a receiving line are independent from each other, so as to ensure that data is transmitted simultaneously in two directions, as shown in fig. 1, two optical fiber links 14 for transmitting optical fiber signals exist in the optical fiber link monitoring system, the first optical fiber link 142 and the second optical fiber link 144 adopt a point-to-point connection manner between the first optical transmission device 10 and the second optical transmission device 12, so that the data transmission speed is increased. The first optical fiber link 142 and the second optical fiber link 144 are both located between the first optical transmission device 10 and the second optical transmission device 12, and transmission directions thereof are opposite, wherein two ends of the optical fiber link 142 located above in the two optical fiber links 14 are respectively connected with a light emitting place (i.e., a transmitting end) of the first optical transmission device 10 and a light receiving place (i.e., a receiving end) of the second optical transmission device 12, and are used for transmitting the optical fiber signal transmitted by the first optical transmission device 10 to the second optical transmission device 12; two ends of the lower optical fiber link 144 of the two optical fiber links 14 are respectively connected to a light emitting part (i.e., a transmitting end) of the second optical transmission device 12 and a light receiving part (i.e., a receiving end) of the first optical transmission device 10, so as to transmit the optical fiber signal transmitted by the second optical transmission device 12 to the second optical transmission device 10. Monitoring of the fiber optic signal may be accomplished via either of the first fiber link 142 and the second fiber link 144.
According to another alternative embodiment of the present application, in the optical fiber link monitoring system, the number of the fixed optical fiber attenuators 18 is at least two, and the fixed optical fiber attenuators are respectively disposed on the sides of the first optical transmission device 10 and the second optical transmission device 12 close to the receiving end.
In an alternative embodiment, the number of the fixed optical fiber attenuators 18 may be customized, and since the optical fiber link monitoring system shown in fig. 1 includes two optical transmission devices, i.e., the first optical transmission device 10 and the second optical transmission device 12, where each of the first optical transmission device 10 and the second optical transmission device 12 includes at least one optical receiver (i.e., a receiving end), in this embodiment, the number of the fixed optical fiber attenuators 18 is at least two, and the fixed optical fiber attenuators are respectively disposed at the optical receivers (i.e., the receiving ends) of the first optical transmission device 10 and the second optical transmission device 12, and are used to adjust the fixed optical receiving power values (i.e., the power threshold values) of the first optical transmission device 10 and the second optical transmission device 12. Specifically, in the optical fiber link monitoring system shown in fig. 1, the first optical transmission device 10 and the second optical transmission device 12 are both 330 Kilovolt (KV) fiber cores, lower limit values of fixed received optical power thereof are both-28 decibels (db), a physical distance of an optical path between the first optical transmission device 10 and the second optical transmission device 12 is 622 meters, and a wavelength of the optical path is 1310 nanometers (nm); two fixed optical fiber attenuators 18 of 1 decibel (db) may be adopted to adjust the fixed received optical power values (i.e., power thresholds) of the first optical transmission device 10 and the second optical transmission device 12 to-27 decibels (db), or one fixed optical fiber attenuator 18 of 1 decibel (db) and one fixed optical fiber attenuator 18 of 5 decibels (db) may be respectively arranged at the light receiving positions (i.e., receiving ends) of the first optical transmission device 10 and the second optical transmission device 12 to adjust the fixed received optical power thresholds of the first optical transmission device 10 and the second optical transmission device 12 to-22 decibels (db), respectively; alternatively, fixed optical fiber attenuators 18 of other specifications, such as 3db, 7db, and 10db, may be used to adjust the fixed values of the received optical power (i.e., the power thresholds) of the first optical transmission device 10 and the second optical transmission device 12.
In some optional embodiments of the present application, in the fiber link monitoring system, the number of the adjustable fiber attenuators 16 is two, and the two adjustable fiber attenuators are respectively disposed on the sides of the first optical transmission device 10 and the second optical transmission device 12 close to the receiving end.
In some optional embodiments, adjustable optical fiber attenuators 16 are further disposed at light receiving ends (i.e., receiving ends) of the first optical transmission device 10 and the second optical transmission device 12, respectively, for sending a fault alarm signal when the optical fiber link monitoring system detects a fault of the optical fiber link. The size of the adjustable optical fiber attenuator 16 can be customized, for example, two adjustable optical fiber attenuators 16 of ± 1.5db can be selected, where ± 1.5db indicates that the fixed power thresholds of the first optical transmission device 10 and the second optical transmission device 12 can be adjusted to be 1.5db higher or 1.5db lower.
Setting the above specification of ± 1.5db at the light receiving places (i.e., receiving ends) of the first optical transmission apparatus 10 and the second optical transmission apparatus 12, respectively, on the basis that the lower limit value of the fixed received optical power of the first optical transmission apparatus 10 and the second optical transmission apparatus 12 is-28 decibels (db), if the fixed received optical power (i.e., power threshold) of the first optical transmission apparatus 10 and the second optical transmission apparatus 12 has been adjusted to-27 db by the above fixed optical fiber attenuator 18 at this time, it is also possible to adjust the fixed received optical power value (i.e., power threshold) of the first optical transmission apparatus 10 and the second optical transmission apparatus 12 to an interval of-25.5 db to-28 db by the optical fiber attenuator 16 having the specification of ± 1.5db on the basis; the reason why the adjustment to the interval of-25.5 db to-28.5 db is impossible is that the lower limit value of the received optical power of the first optical transmission device 10 and the second optical transmission device 12 in this embodiment is-28 decibels (db), and if the lower limit value of the received optical power of the first optical transmission device 10 and the second optical transmission device 12 in this embodiment is-30 decibels (db), the fixed received optical power threshold of the first optical transmission device 10 and the second optical transmission device 12 can be adjusted to the interval of-25.5 db to-28.5 db by the optical fiber attenuator 16 of ± 1.5db in specification.
According to an optional embodiment of the present application, when testing the optical fiber link monitoring system, if an alarm signal indicating that the optical fiber link 14 fails is generated, the adjustable optical fiber attenuator 16 is configured to adjust a power threshold until the alarm signal is no longer generated, and determine that the corresponding power threshold when the alarm signal is no longer generated is a target power threshold; the target power threshold is determined as the power of the fiber signal transmitted over the fiber link 14 at the time of failure of the fiber link 14.
As mentioned IN the above embodiment, after the fixed light receiving values (i.e. power thresholds) of the first optical transmission device 10 and the second optical transmission device 12 are adjusted to-27 db by the fixed optical fiber attenuator 18, if the monitored power values of the optical fiber signals transmitted on the optical fiber link 14 are greater than-27 db, which indicates that the lower limit alarm of optical power is triggered (IN _ PWR _ ABN), the optical fiber link monitoring system broadcasts an alarm signal, at this time, the fixed light receiving values (i.e. power thresholds) of the first optical transmission device 10 and the second optical transmission device 12 are adjusted by the adjustable optical fiber attenuator 16 until the optical fiber link monitoring system does not alarm any more, because the adjustable optical fiber attenuator 16 has a smaller size than the fixed optical fiber attenuator 18, the fixed light receiving values (i.e. power thresholds) of the first optical transmission device 10 and the second optical transmission device 12 can be adjusted to a decimal place, and the adjusted power is self-defined, so that the power of the optical fiber signals transmitted on the optical fiber link when the optical fiber link fails can be determined, that the target power threshold can be determined. For example, if an alarm occurs when the fixed light receiving values (i.e., power thresholds) of the first optical transmission device 10 and the second optical transmission device 12 are-27 db, and no alarm is issued when the fixed light receiving values (i.e., power thresholds) of the first optical transmission device 10 and the second optical transmission device 12 are-28 db through the adjustable optical fiber attenuator 16, the target power threshold may be determined in the interval from-27 db to-28 db, and the fixed light receiving values (i.e., power thresholds) of the first optical transmission device 10 and the second optical transmission device 12 may be continuously adjusted through the adjustable optical fiber attenuator 16 in the interval, so as to achieve the purpose of determining the target power threshold.
In addition, after the optical fiber link monitoring system is tested, for example, after the optical fiber link monitoring system generates a fault alarm and the target power threshold of the optical fiber signal transmitted on the optical fiber link when the optical fiber link fails is determined by the above method, the adjustable optical fiber attenuator 16 is zeroed, and the optical fiber link is continuously monitored.
Fig. 2 is a flowchart of a method for monitoring a fiber link failure according to an embodiment of the present application, where the method is applied to the fiber link monitoring system as shown in fig. 2, and includes the following steps:
step S202, determining the power of the optical signal received by the receiving end of the optical transmission equipment; and comparing the power of the optical signal with a preset power value to obtain a comparison result.
In step S202, when the optical transmission device (including the first optical transmission device 10 and the second optical transmission device 12) receives the optical fiber signal transmitted by the optical fiber link 14, the power value of the optical fiber signal is compared with the threshold value of the received optical power (i.e. the preset power value) of the optical transmission device, so as to obtain the comparison result: the power value of the optical fiber signal is greater than the optical reception power threshold (i.e., a preset power value) of the optical transmission device, or the power value of the optical fiber signal is less than the optical reception power threshold (i.e., a preset power value) of the optical transmission device.
Step S204, if the comparison result indicates that the power of the optical signal is smaller than the preset power value, determining that the optical fiber link of the optical transmission equipment has a fault, and sending alarm information.
If the comparison result obtained in step S202 is: the power value of the optical fiber signal is smaller than the optical receiving power threshold value (i.e. the preset power value) of the optical transmission device,
if the comparison result obtained in step S202 is: the power value of the optical fiber signal is smaller than the threshold value of the received optical power of the optical transmission device (i.e. a preset power value), it is determined that the operation condition of the optical cable is unstable, the received optical power will change greatly, and the optical fiber link of the optical transmission device fails.
Step S206, if the comparison result indicates that the power of the received optical signal is greater than the preset power value, it is determined that the optical fiber link of the optical transmission device is not failed.
If the comparison result obtained in step S202 is: the power value of the optical fiber signal is greater than the light receiving power threshold value (namely a preset power value) of the optical transmission equipment, it is determined that the optical fiber link has no fault, the operation condition of the optical cable is stable, and the light receiving power is stable.
Through the steps, the optical cable can be remotely monitored in a distributed manner in real time, and periodic test, specified test, obstacle alarm test and fault judgment can be carried out on the optical cable; when the optical cable or the optical fiber has a fault, triggering an input lower threshold alarm (IN _ PWR _ ABN), recording input optical power during alarm, performing obstacle alarm test, automatically judging the optical cable obstacle, sending alarm information according to the alarm level preset by the system, and quickly and accurately determining the fault position. And moreover, when the distance of a measured optical path is less than or equal to 20 kilometers, the communication optical cable can be maintained by utilizing the total reflection principle of light with the precision of +/-50 meters through an Optical Time Domain Reflectometer (OTDR), and the breakpoint fault, the joint loss, the optical cable line length and the optical cable damage can be accurately positioned.
It should be noted that, reference may be made to the description related to the embodiment shown in fig. 1 for a preferred implementation of the embodiment shown in fig. 2, and details are not described here again.
IN the optical fiber link monitoring system and the method for monitoring the fault of the optical fiber link provided by this embodiment, because the existing resources are used to construct the monitoring optical path, the cost is zero, and when the optical fiber link monitoring system and the method for monitoring the fault of the optical fiber link provided by this embodiment are implemented, it is only necessary to pay attention to whether the optical path triggers the optical power lower limit alarm (IN _ PWR _ ABN), so that whether the index of the optical cable changes or not can be judged, whether the optical cable will break down or not can be predicted, and when the optical cable has low running quality or hidden danger exists, alarm information can be sent out so as to perform troubleshooting IN time.
The embodiment of the application also provides a nonvolatile storage medium, wherein the nonvolatile storage medium stores a program, and when the program runs, the device where the nonvolatile storage medium is located is controlled to execute the method for monitoring the fault of the optical fiber link.
The nonvolatile storage medium stores a program for executing the following functions: determining the power of an optical signal received by a receiving end of optical transmission equipment; comparing the power of the optical signal with a preset power value to obtain a comparison result; if the comparison result indicates that the power of the optical signal is smaller than the preset power value, determining that the optical fiber link of the optical transmission equipment has a fault, and sending alarm information; and if the comparison result indicates that the power of the received optical signal is greater than the preset power value, determining that the optical fiber link of the optical transmission equipment is not in fault.
An embodiment of the present application further provides an electronic device, including: a memory and a processor for executing a program stored in the memory, wherein the program when executed performs the above method of monitoring for fiber link failure.
The processor is used for running a program for executing the following functions: determining the power of an optical signal received by a receiving end of optical transmission equipment; comparing the power of the optical signal with a preset power value to obtain a comparison result; if the comparison result indicates that the power of the optical signal is smaller than the preset power value, determining that the optical fiber link of the optical transmission equipment has a fault, and sending alarm information; and if the comparison result indicates that the power of the received optical signal is greater than the preset power value, determining that the optical fiber link of the optical transmission equipment is not in fault.
The above-mentioned serial numbers of the embodiments of the present application are merely for description and do not represent the merits of the embodiments.
In the above embodiments of the present application, the descriptions of the respective embodiments have respective emphasis, and for parts that are not described in detail in a certain embodiment, reference may be made to related descriptions of other embodiments.
In the embodiments provided in the present application, it should be understood that the disclosed technology can be implemented in other ways. The above-described embodiments of the apparatus are merely illustrative, and for example, the division of the units may be a logical division, and in actual implementation, there may be another division, for example, multiple units or components may be combined or integrated into another system, or some features may be omitted, or not executed. In addition, the shown or discussed coupling or direct coupling or communication connection between each other may be an indirect coupling or communication connection through some interfaces, units or modules, and may be electrical or in other forms.
The units described as separate parts may or may not be physically separate, and parts displayed as units may or may not be physical units, may be located in one place, or may be distributed on a plurality of units. Some or all of the units can be selected according to actual needs to achieve the purpose of the solution of the embodiment.
In addition, functional units in the embodiments of the present application may be integrated into one processing unit, or each unit may exist alone physically, or two or more units are integrated into one unit. The integrated unit may be implemented in the form of hardware, or may also be implemented in the form of a software functional unit.
The integrated unit, if implemented in the form of a software functional unit and sold or used as a stand-alone product, may be stored in a computer readable storage medium. Based on such understanding, the technical solution of the present application may be embodied in the form of a software product, which is stored in a storage medium and includes several instructions for causing a computer device (which may be a personal computer, a server, or a network device) to execute all or part of the steps of the method according to the embodiments of the present application. And the aforementioned storage medium includes: a U-disk, a Read-Only Memory (ROM), a Random Access Memory (RAM), a removable hard disk, a magnetic or optical disk, and other various media capable of storing program codes.
The foregoing is only a preferred embodiment of the present application and it should be noted that those skilled in the art can make several improvements and modifications without departing from the principle of the present application, and these improvements and modifications should also be considered as the protection scope of the present application.
Claims (10)
1. A fiber optic link monitoring system, comprising: a first optical transmission device, a second optical transmission device, an optical fiber link, an adjustable optical fiber attenuator, and a fixed optical fiber attenuator, wherein,
the first optical transmission device and the second optical transmission device each include: the optical fiber signal transmitting system comprises a transmitting end and a receiving end, wherein the transmitting end is used for transmitting an optical fiber signal, and the receiving end is used for receiving the optical fiber signal;
the optical fiber link is arranged between the sending end and the receiving end and used for transmitting the optical fiber signal;
the fixed optical fiber attenuators are respectively arranged on one sides of the first optical transmission equipment and the second optical transmission equipment close to the receiving end and are used for setting a power threshold value of a receiving optical signal of the receiving end;
the adjustable optical fiber attenuator is respectively arranged on one side of the first optical transmission device and one side of the second optical transmission device close to the receiving end, and is used for determining the power of the optical fiber signal transmitted on the optical fiber link when the optical fiber link fails by adjusting the power threshold.
2. The system according to claim 1, wherein the first optical transmission device and the second optical transmission device are full-duplex communication devices, the first optical transmission device transmits the optical fiber signal to a receiving end of the second optical transmission device through its own transmitting end, and the second optical transmission device transmits the optical fiber signal to the receiving end of the first optical transmission device through its own transmitting end.
3. The optical fiber link monitoring system according to claim 1, wherein the optical fiber link comprises a first optical fiber link and a second optical fiber link, wherein the first optical fiber link is disposed between a transmitting end of the first optical transmission device and a receiving end of the second optical transmission device, and the second optical fiber link is disposed between a transmitting end of the second optical transmission device and a receiving end of the first optical transmission device.
4. The fiber optic link monitoring system of claim 3,
the number of the fixed optical fiber attenuators is at least two, and the fixed optical fiber attenuators are respectively arranged on one sides, close to the receiving end, of the first optical transmission equipment and the second optical transmission equipment.
5. The fiber optic link monitoring system of claim 1,
the number of the adjustable optical fiber attenuators is two, and the two adjustable optical fiber attenuators are respectively arranged on one sides, close to the receiving end, of the first optical transmission equipment and the second optical transmission equipment.
6. The fiber optic link monitoring system of claim 1 or 5,
when the optical fiber link monitoring system is tested, if an alarm signal that the optical fiber link fails is generated, the adjustable optical fiber attenuator is used for adjusting the power threshold value until the alarm signal is not generated any more, and determining that the corresponding power threshold value when the alarm signal is not generated any more is a target power threshold value;
and determining the target power threshold as the power of the optical fiber signal transmitted on the optical fiber link when the optical fiber link fails.
7. The fiber link monitoring system of claim 1, wherein the adjustable fiber optic attenuator is zeroed after testing of the fiber link monitoring system.
8. A method for monitoring a fiber link failure, the method being applied to the fiber link monitoring system according to any one of claims 1 to 7, comprising the steps of:
determining the power of an optical signal received by a receiving end of optical transmission equipment;
comparing the power of the optical signal with a preset power value to obtain a comparison result;
if the comparison result indicates that the power of the optical signal is smaller than the preset power value, determining that an optical fiber link of the optical transmission equipment has a fault, and sending alarm information;
and if the comparison result indicates that the power of the optical receiving signal is greater than the preset power value, determining that the optical fiber link of the optical transmission equipment is not in fault.
9. A non-volatile storage medium, wherein a program is stored in the non-volatile storage medium, and when the program runs, the apparatus in which the non-volatile storage medium is located is controlled to execute the method for monitoring an optical fiber link failure according to claim 8.
10. An electronic device, comprising: a memory and a processor for executing a program stored in the memory, wherein the program when executed performs the method of monitoring fiber link failure of claim 8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211318587.1A CN115664515A (en) | 2022-10-26 | 2022-10-26 | Optical fiber link monitoring system and method for monitoring optical fiber link fault |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211318587.1A CN115664515A (en) | 2022-10-26 | 2022-10-26 | Optical fiber link monitoring system and method for monitoring optical fiber link fault |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN115664515A true CN115664515A (en) | 2023-01-31 |
Family
ID=84991480
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211318587.1A Pending CN115664515A (en) | 2022-10-26 | 2022-10-26 | Optical fiber link monitoring system and method for monitoring optical fiber link fault |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115664515A (en) |
-
2022
- 2022-10-26 CN CN202211318587.1A patent/CN115664515A/en active Pending
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| KR100952539B1 (en) | Real-time Monictoring Apparatus and Method for Obstacle in Optical Cable | |
| US5479608A (en) | Group facility protection in a digital telecommunications system | |
| EP2432142B1 (en) | Method, repeater and submarine cable system for monitoring fiber line status | |
| US5781318A (en) | Circuit and method of testing for silent faults in a bi-directional optical communication system | |
| US20110173315A1 (en) | Network physical layer security | |
| US11973532B2 (en) | Co-cable probability detection method and apparatus | |
| EP0850514B1 (en) | System, method and device for monitoring a fiber optic cable | |
| CN101296039B (en) | Optical fiber link monitoring system and method for passive optical fiber network | |
| US11490456B2 (en) | Automatic analysis and warning method of optical connection between BBU combination and RRU of radio station | |
| CN110086528A (en) | A kind of resource management system based on optical cable on-line monitoring | |
| CN110086531A (en) | A kind of fiber optic testing system based on local area network | |
| JP6196124B2 (en) | Optical fiber transmission line monitoring system | |
| KR20180128558A (en) | Optical repeater optical core monitoring system using OTDR | |
| CN115664515A (en) | Optical fiber link monitoring system and method for monitoring optical fiber link fault | |
| CN115133983B (en) | Communication link determination method, system, device and electronic equipment | |
| US20210218469A1 (en) | Submarine cable fault determining method and apparatus | |
| CN207691811U (en) | It is a kind of that optical transmission system is automatically configured based on OTDR | |
| CA2294968C (en) | Passive remote loop-back method and apparatus for optical circuit verification | |
| US20060093295A1 (en) | Multimode fiber transmission system | |
| CN212367274U (en) | Railway communication optical cable on-line monitoring system | |
| CA2043946C (en) | Optical time domain reflectometer | |
| WO2019233613A1 (en) | Method and apparatus for determining the location of a fault along an optical fibre in a communications network | |
| CN110071758A (en) | A kind of optical cable on-line monitoring system based on local area network | |
| US20040081459A1 (en) | Remote test unit within a communications network | |
| CN113541795B (en) | Single-fiber bidirectional implementation method and equipment for OSC channel of wavelength division system |
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 |