CN105721050A - Optical fiber test device and method - Google Patents
Optical fiber test device and method Download PDFInfo
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- 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
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- 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
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Abstract
The invention discloses an optical fiber test device and method. One embodiment of the device comprises a portable main body, and a signal processing device and a channel matching device which are integrated in the main body. The channel matching device is used for connecting a to-be-tested optical fiber and the signal processing device; wherein the signal processing device comprises an optical signal processing device and an electric signal processing device; the optical signal processing device is configured for processing optical signals transmitted by the to-be-tested optical fiber and determining the attenuation rate of the optical fiber; the electric signal processing device is configured for processing electric signals converted from the optical signals transmitted by the to-be-tested optical fiber and determining the bit error rate of the optical fiber; and the channel matching device is configured for processing photoelectric conversion between the electric signal processing device and the to-be-tested optical fiber. According to the device and the method, the performance of the optical fiber can be tested.
Description
Technical field
The application relates to technical field of photo communication, is specifically related to technical field of optical fiber, particularly relates to optical fiber test apparatus and method.
Background technology
In recent years, the optical fiber use in fields such as communication, the Internets is more and more general, and relative to traditional copper cable wire rod, the use of optical fiber not only makes signal quality to promote, and transmission range is also greatly improved.
But, optical fiber is dispatching from the factory and quality problems is also easily occurring in use procedure, and then affects communication quality.How flexible test optical fiber property is the internal need of development of optical fiber technology, meanwhile, there is also the demand carrying out test optical fiber.
Summary of the invention
The purpose of the application is in that to propose the optical fiber test apparatus of a kind of improvement, solves the technical problem that background section above is mentioned.
First aspect, this application provides a kind of optical fiber test apparatus, and described device includes:
Portable body and integrated signal processor in the body and passage coupling device, described passage coupling device is used for connecting optical fiber to be tested and described signal processor, wherein: described signal processor includes optical signal prosessing device and Electric signal processing device, the configuration of described optical signal prosessing device is for processing through the optical signal of fiber-optic transfer to be tested and determining the attenuation rate of this optical fiber；The signal of telecommunication that the configuration of described Electric signal processing device is changed for the optical signal processed through fiber-optic transfer to be tested the bit error rate determining this optical fiber；Described passage coupling device, configuration is for processing the opto-electronic conversion between described Electric signal processing device and described optical fiber to be tested.
In certain embodiments, described Electric signal processing device includes error code testing device, wherein: described error code testing device, configuration is used for sending verification code stream, and the result being flowed through the transmission of described optical fiber to be tested by the described check code of process calculates the bit error rate of this optical fiber.
In certain embodiments, described error code testing device includes signal generating device and verification device, wherein: described signal generating device, configuration is for generating CRC stream based on testing requirement and mating the device described CRC stream of transmission to described passage；Described verification device, configuration is used for receiving the described CRC stream of passage coupling device return the bit error rate based on described CRC this optical fiber of stream calculation.
In certain embodiments, described Electric signal processing device also includes on off test device, wherein: described on off test device, configuration is used for sending agreement code stream, and is determined the break-make of this optical fiber through the result of the transmission of described optical fiber to be tested by the described agreement code stream of process.
Second aspect, this application provides a kind of optical fiber test method based on optical fiber test apparatus, described optical fiber test apparatus includes portable body and is integrated in the signal processor in described body and passage coupling device, described passage coupling device is used for connecting optical fiber to be tested and described signal processor, and described signal processor includes optical signal prosessing device and Electric signal processing device, described optical fiber test method includes: is processed through the optical signal of fiber-optic transfer to be tested by described optical signal prosessing device and determines the attenuation rate of this optical fiber；Mate device by described passage receive the optical signal of described fiber-optic transfer to be tested and described optical signal is converted to the signal of telecommunication；Process the described signal of telecommunication by described Electric signal processing device and determine the bit error rate of this optical fiber.
In certain embodiments, described Electric signal processing device includes error code testing device, and described method includes: send verification code stream by described error code testing device；Mate device by described passage receive described verification code stream and the circulation of described check code is changed to optical signal, and described optical signal is sent to optical fiber to be tested；Mate device by described passage receive the optical signal of described fiber-optic transfer to be tested and described optical signal is converted to the signal of telecommunication；Process the described signal of telecommunication by described error code testing device and calculate the bit error rate of this optical fiber.
In certain embodiments, described error code testing device includes signal generating device and verification device, and described method includes: generates CRC stream by described signal generating device based on testing requirement and mates device to described passage and send described CRC stream；Described CRC stream that passage coupling device returns is received and based on the bit error rate of described CRC this optical fiber of stream calculation by described verification device.
In certain embodiments, described optical fiber test apparatus also includes on off test device, and described method also includes: send agreement code stream by described on off test device；Process described agreement code stream by described lane testing device and determine the break-make of this optical fiber through the result of the transmission of described optical fiber to be tested.
The optical fiber test apparatus of the application offer and method, device is mated by integrated signal processing apparatus in portable body and passage, wherein, passage coupling device is used for connecting optical fiber to be tested and signal processor, described signal processor includes optical signal prosessing device and Electric signal processing device, the configuration of optical signal prosessing device is for processing through the optical signal of fiber-optic transfer to be tested and determining the attenuation rate of this optical fiber, the signal of telecommunication that the configuration of Electric signal processing device is changed for the optical signal processed through fiber-optic transfer to be tested the bit error rate determining this optical fiber, passage coupling device configuration is for processing the opto-electronic conversion between Electric signal processing device and optical fiber to be tested, achieve the performance that can test optical fiber.
Accompanying drawing explanation
By reading the detailed description that non-limiting example is made made with reference to the following drawings, other features, purpose and advantage will become more apparent upon:
Fig. 1 is the structural representation of an embodiment of the optical fiber test apparatus according to the application；
Fig. 2 is the structural representation of another embodiment of the optical fiber test apparatus according to the application；
Fig. 3 is an application scenarios figure of the optical fiber test apparatus according to the application；
Fig. 4 is another application scenarios figure of the optical fiber test apparatus according to the application；
Fig. 5 is the flow chart of an embodiment of the optical fiber test method based on optical fiber test apparatus according to the application.
Detailed description of the invention
Below in conjunction with drawings and Examples, the application is described in further detail.It is understood that specific embodiment described herein is used only for explaining related invention, but not the restriction to this invention.It also should be noted that, for the ease of describing, accompanying drawing illustrate only the part relevant to about invention.
It should be noted that when not conflicting, the embodiment in the application and the feature in embodiment can be mutually combined.Describe the application below with reference to the accompanying drawings and in conjunction with the embodiments in detail.
Refer to Fig. 1, it illustrates the schematic diagram of the optical fiber test apparatus according to the application a embodiment.As it is shown in figure 1, the optical fiber test apparatus 100 of the application, including:
Portable body 104 and be integrated in the signal processor in body 104 and passage coupling device 103, above-mentioned passage coupling device 103 be used for connecting optical fiber to be tested and above-mentioned signal processor.
In the present embodiment, above-mentioned signal processor includes optical signal prosessing device 101 and Electric signal processing device 102, and the configuration of above-mentioned optical signal prosessing device 101 is for processing through the optical signal of fiber-optic transfer to be tested and determining the attenuation rate of this optical fiber；The signal of telecommunication that above-said current signal processing apparatus 102 configuration is changed for the optical signal processed through fiber-optic transfer to be tested the bit error rate determining this optical fiber；Above-mentioned passage coupling device 103, configuration is for processing the opto-electronic conversion between above-said current signal processing apparatus and above-mentioned optical fiber to be tested.In the present embodiment, passage coupling device 103 can also configure the connection for the light-path between optical fiber to be tested and above-mentioned optical signal prosessing device 101.In the present embodiment, above-mentioned optical fiber to be tested can be one-way optical fiber, it is also possible to is bidirectional optical fiber.
In the present embodiment, optical fiber test apparatus 100 has portable body 104, and above-mentioned bulk volume is less, and namely this body can directly by the hand held use of user, it is also possible to moved easily by user.
In the present embodiment, the configuration of above-mentioned optical signal prosessing device 101 is for processing through the optical signal of fiber-optic transfer to be tested and determining the attenuation rate of this optical fiber.Alternatively, optical signal can connect, in the opposite end of optical fiber to be tested connection optical fiber test apparatus, the device that can send optical signal, and optical signal mates the incoming above-mentioned optical signal prosessing device of device through passage.Above-mentioned transmission attenuation refers to when optical signal is injected from one end of optical fiber, from the other end penetrate time, the phenomenon of the strength reduction of optical signal.That is, optical signal is by after fiber-optic transfer, an energy attenuation part, has Cucumber or because of certain reason, stop the optical signal transmission attenuation by being exactly optical fiber in this optical fiber.In this application, the attenuation rate of optical fiber refers to when light transmits in optical fiber to be tested, the ratio of the transmission attenuation of light energy.Here, by receiving through the optical signal of fiber-optic transfer to be tested, and calculate the intensity of this optical signal, when the known intensity of optical signal before fiber-optic transfer, it is possible to drawn the attenuation rate of this optical fiber by the intensity of optical signal before and after fiber-optic transfer to be tested.
In some optional implementations of the present embodiment, optical signal prosessing device 101 includes optical signal generator part (not shown), here, optical signal can be produced by above-mentioned optical signal generator part, above-mentioned optical signal is sent to optical fiber to be tested and by this optical signal of fiber-optic transfer to be tested, optical signal prosessing device processes above-mentioned optical signal the calculating difference of optical signal before and after transmission and draw the attenuation rate of this optical fiber.
In the present embodiment, above-said current signal processing apparatus 102 can configure the signal of telecommunication changed for the optical signal processed through fiber-optic transfer to be tested the bit error rate determining this optical fiber.Here, after optical signal transmits on optical fiber to be tested, entering passage coupling device 103 and carry out opto-electronic conversion, optical signal is converted to the signal of telecommunication, and Electric signal processing device 102 processes above-said current signal and draws the bit error rate of this optical fiber.The above-mentioned bit error rate is to weigh the index of data data at the appointed time transmission accuracy.
In the present embodiment, exemplarily, the bit error rate can be calculated by equation below:
The gross yards * 100% of the number of bit errors/transmission in the bit error rate=transmission.
In the present embodiment, above-mentioned passage coupling device 103, configuration is for processing the opto-electronic conversion between above-said current signal processing apparatus 102 and above-mentioned optical fiber to be tested.Alternatively, above-mentioned passage coupling device 103 can only have the function converting optical signals to the signal of telecommunication, can also only have the function converting electrical signals to optical signal, it is understood that above-mentioned passage coupling device 103 can have signal of telecommunication transmitting photo-signal and the function converting optical signals to the signal of telecommunication simultaneously.
In some optional implementations of the present embodiment, optical fiber test apparatus 100 can also include power module, and above-mentioned power module includes battery.Alternatively, above-mentioned battery can easy to use carry small volume, the battery of lighter in weight, for instance lithium battery.
With continued reference to Fig. 2, it illustrates another embodiment schematic diagram of the optical fiber test apparatus according to the application.Optical fiber test apparatus 100 according to Fig. 2, said apparatus includes:
Portable body 104 and integrated signal processor in the body and passage coupling device 103, above-mentioned passage coupling device 103 is used for connecting optical fiber to be tested and above-mentioned signal processor.
In the present embodiment, above-mentioned signal processor includes optical signal prosessing device 101 and Electric signal processing device 102, and the configuration of above-mentioned optical signal prosessing device 101 is for processing through the optical signal of fiber-optic transfer to be tested and determining the attenuation rate of this optical fiber；The signal of telecommunication that above-said current signal processing apparatus 102 configuration is changed for the optical signal processed through fiber-optic transfer to be tested the bit error rate determining this optical fiber；Above-mentioned passage coupling device 103, configuration is for processing the opto-electronic conversion between above-said current signal processing apparatus and above-mentioned optical fiber to be tested.In the present embodiment, passage coupling device 103 can also configure the connection for the light-path between optical fiber to be tested and above-mentioned optical signal prosessing device 101.In the present embodiment, above-mentioned optical fiber to be tested is bidirectional optical fiber.The optical fiber test apparatus being connected to optical fiber two ends is respectively provided with the function sending and receiving the signal of telecommunication and optical signal.
In the present embodiment, above-mentioned passage coupling device 103, configuration is for processing the opto-electronic conversion between above-said current signal processing apparatus 102 and above-mentioned optical fiber to be tested.Here, above-mentioned passage coupling device 103 can have signal of telecommunication transmitting photo-signal and the function converting optical signals to the signal of telecommunication simultaneously.
In some optional implementations of the present embodiment, above-mentioned passage coupling device 103 includes optical module and the interface mated with optical module, and wherein, above-mentioned optical module can carry out opto-electronic conversion.According to practice, some optional implementations of the connected mode of optical module and bidirectional optical fiber include: encapsulate two optical fiber between a pair optical module, these two optical fiber are all the optical fiber transmitting one way signal on single, and on two optical fiber, signal transmission direction is contrary, and optical module is the optical module of transceiver；Or encapsulating a root multimode fiber between a pair optical module, now optical module is the optical module of transceiver, and optical module has wavelength-division multiplex function.
In some optional embodiments of the present embodiment, above-mentioned passage coupling device 103 includes at least one interface mated with optical module.Exemplarily, above-mentioned passage coupling device 103 is provided with the interface mated with optical module of five same models, if the bidirectional optical fiber of detection is by encapsulating two single-mode fibers between a pair optical module, then optical fiber test apparatus can detect ten optical fiber of five optical fiber simultaneously；If the bidirectional optical fiber of detection is by encapsulating a root multimode fiber between a pair optical module, then optical fiber test apparatus can detect five optical fiber five optical fibers simultaneously.
In some optional implementations of the present embodiment, optical module can be divided into polytype, such as SFP (SFP emission and reception module, SmallForm-factorPluggables) type, QSFP (four-way SFP interface, QuadSmallForm-factorPluggable) type, GBIC (GBIC, GigabitInterfaceConverter) type, the kind of optical module is known in those skilled in the art, does not repeat them here.
In some optional implementations of the present embodiment, above-mentioned passage coupling device 103 includes the interface of at least one optical module mated with optical fiber two ends.Exemplarily, same optical fiber test apparatus can include the interface of multiple optical module, such as optical fiber test apparatus set SFP (SFP emission and reception module, SmallForm-factorPluggables) interface of type optical module, QSFP (four-way SFP interface, QuadSmallForm-factorPluggable) interface of the interface of type optical module, GBIC (GBIC, GigabitInterfaceConverter) type optical module.It should be understood that optical fiber test apparatus includes the interface of multiple optical module.Optionally, the interface of above-mentioned multiple optical module can be a kind of type can also be polytype.Exemplarily, optical fiber test apparatus can include the interface of ten optical modules, wherein have the interface of the interface of three SFP type optical modules, the interface of three QSFP type optical modules, four GBIC type optical modules.
In the present embodiment, the configuration of above-mentioned optical signal prosessing device 101 is for processing through the optical signal of fiber-optic transfer to be tested and determining the attenuation rate of this optical fiber.
In some optional implementations of the present embodiment, optical signal prosessing device 101 includes optical signal generator part, here, optical signal can be produced by above-mentioned optical signal generator part, above-mentioned optical signal is sent to optical fiber to be tested and by this optical signal of fiber-optic transfer to be tested, optical signal prosessing device processes above-mentioned optical signal the calculating difference of optical signal before and after transmission and draw the attenuation rate of this optical fiber.
In the present embodiment, above-said current signal processing apparatus 102 includes error code testing device 1021, wherein, the configuration of above-mentioned error code testing device 1021 is used for sending verification code stream, and processes above-mentioned check code and flow through the result of transmission of above-mentioned optical fiber to be tested and calculate the bit error rate of this optical fiber.Exemplarily, above-mentioned error code testing device 1021 sends verification code stream, it is to be understood that above-mentioned verification code stream is the signal of telecommunication, and above-mentioned check code transmits in optical fiber to be tested with the form of optical signal after flowing through passage coupling device converting electrical signals to optical signal.Optical signal form, after above-mentioned optical fiber to be tested, is mated device 103 by passage and above-mentioned optical signal is converted to the signal of telecommunication, and, above-mentioned error code testing device 1021 can process the signal of telecommunication after the conversion of above-mentioned optical signal, draws the bit error rate of above-mentioned optical fiber to be tested.
In some optional implementations of the present embodiment, above-mentioned error code testing device includes signal generating device (not shown) and verification device (not shown), wherein: above-mentioned signal generating device, configuration is for generating CRC stream based on testing requirement and mating the device above-mentioned CRC stream of transmission to above-mentioned passage；Above-mentioned verification device, configuration is used for receiving the above-mentioned CRC stream of passage coupling device return the bit error rate based on above-mentioned CRC this optical fiber of stream calculation.
In the present embodiment, above-said current signal processing apparatus also includes on off test device 1022.Here, above-mentioned break-make refers to that can optical fiber transmit optical signal.
In some optional implementations of the present embodiment, above-mentioned on off test device 1022, configuration is used for sending agreement code stream, and is determined the break-make of this optical fiber through the result of the transmission of above-mentioned optical fiber to be tested by the above-mentioned agreement code stream of process.
In the present embodiment, optical fiber test apparatus also includes prompting device, and the configuration of above-mentioned prompting device is for sending information according to optical fiber property.Above-mentioned information includes but not limited to warning light information, information of voice prompt, screen display reminding information.Exemplarily, can information in the following way: on the panel of optical fiber test apparatus receiving signal, the warning light representing break-make, the bit error rate, transmission attenuation respectively is set, the signal received when optical fiber test apparatus meets the standard of predetermined break-make, the bit error rate, decay after treatment, then the warning light on the optical fiber test apparatus panel receiving signal is luminous；If one or more in break-make, the bit error rate, transmission attenuation does not meet preassigned, such as the bit error rate does not meet preassigned, exemplarily, only represents break-make, the warning light of transmission attenuation lights, and the warning light representing the bit error rate does not work.Staff can learn the performance of the optical fiber detected by observing warning light.
In the detection of the bidirectional optical fiber of the present embodiment, same optical fiber test apparatus both send detection signal also receive detection signal, the reception device of the optical fiber test apparatus at bidirectional optical fiber two ends opposite end optical fiber test apparatus each other.
In the detection of the bidirectional optical fiber of the present embodiment, when the optical fiber test apparatus at bidirectional optical fiber two ends all points out optical fiber property qualified, it was shown that optical fiber bidirectional communication performance is qualified.
According to practice, after receiving the underproof information of optical fiber property, staff's labelling problem optical fiber, in order to process further.
With continued reference to Fig. 3, it illustrates the optical fiber test apparatus according to embodiment a application scenarios.
Here, optical fiber 303 to be tested is the telecommunication optical fiber between Internet data center (IDC, InternetDataCenter) calculator room equipment.According to practice, two single-mode fibers are as a communication link, optical module is connected respectively as optical fiber two ends after the two ends encapsulation of two optical fiber of a link, the Interface Matching of the optical module of optical module and Internet data center's equipment, in optical fiber and optical module situation of good performance, optical module inserts the interface of the optical module of Internet data center's equipment, can complete the connection of equipment room.
Exemplarily, as it is shown on figure 3, the two ends of optical fiber to be tested 303 are all connected with optical fiber test apparatus, distinguish in order to convenient, the optical fiber test apparatus at optical fiber 303 two ends to be tested is respectively designated as optical fiber test apparatus 1001 and optical fiber test apparatus 1002 herein.Exemplarily, it is possible to optical fiber 303 to be tested not with the said equipment performance of detection fiber before integrated；Or, in Internet data center's equipment operation and maintenance stage, whether need investigation is that optical fiber 303 to be tested is when breaking down, after disconnecting the connection of optical fiber 303 to be tested and Internet data center's equipment, the two ends of optical fiber 303 to be tested are connected with optical fiber test apparatus 1001 and optical fiber test apparatus 1002 respectively, complete optical fiber property test.Here, the optical fiber property of above-mentioned optical fiber includes the break-make of optical fiber, the bit error rate, attenuation rate.
With continued reference to Fig. 4, it illustrates another application scenarios of the optical fiber test apparatus according to embodiment.
Optical fiber test apparatus 402 sends detection signal, and the equipment 401 sending the optical fiber opposite end of the optical fiber test apparatus 402 of detection signal receives detection signal.Here, above-mentioned detection signal includes mating, through above-mentioned passage, the signal of telecommunication that device opto-electronic conversion obtains.
As shown in Figure 4, equipment 401 is the equipment of Internet data center.In Internet data center's equipment operation and maintenance stage, whether need investigation is that optical fiber 403 to be tested is when breaking down, after disconnecting the connection of optical fiber 403 one end to be tested and Internet data center's equipment, one end of optical fiber 403 to be tested is connected with optical fiber test apparatus 402, the other end is still connected with the said equipment 401, now the said equipment 401 is as receiving device, completes the detection of the break-make performance of optical fiber 403 to be tested.
With continued reference to Fig. 5, it illustrates the flow process 500 of the operational approach of the optical fiber test apparatus according to the application a embodiment.Above-mentioned optical fiber test apparatus includes portable body and is integrated in the signal processor in above-mentioned body and passage coupling device, above-mentioned passage coupling device is used for connecting optical fiber to be tested and above-mentioned signal processor, and above-mentioned signal processor includes optical signal prosessing device and Electric signal processing device, above-mentioned optical fiber test method includes:
Step 501, is processed through the optical signal of fiber-optic transfer to be tested by optical signal prosessing device and determines the attenuation rate of this optical fiber.
In the present embodiment, optical fiber test apparatus has portable body, and above-mentioned bulk volume is less, and namely this body can directly by the hand held use of user, it is also possible to moved easily by user.In the present embodiment, above-mentioned optical fiber to be tested can be one-way optical fiber, it is also possible to is bidirectional optical fiber.
In the present embodiment, processed through the optical signal of fiber-optic transfer to be tested by optical signal prosessing device and determine the attenuation rate of this optical fiber.Generally, transmission attenuation refers to when optical signal is injected from one end of optical fiber, from the other end penetrate time, the phenomenon of the strength reduction of optical signal.That is, optical signal is by after fiber-optic transfer, an energy attenuation part, has Cucumber or because of certain reason, stop the optical signal transmission attenuation by being exactly optical fiber in this optical fiber.In this application, the attenuation rate of optical fiber refers to when light transmits in optical fiber to be tested, the ratio of the transmission attenuation of light energy.Here, by receiving through the optical signal of fiber-optic transfer to be tested, and calculate the intensity of this optical signal, when the known intensity of optical signal before fiber-optic transfer, it is possible to drawn the attenuation rate of this optical fiber by the intensity of optical signal before and after fiber-optic transfer to be tested.In some optional implementations of the present embodiment, above-mentioned optical signal prosessing device includes optical signal generator part, and configuration is used for producing optical signal, and wherein, above-mentioned optical signal is for testing the attenuation rate of optical fiber to be tested.
In some optional implementations of the present embodiment, above-mentioned optical fiber to be tested is one-way optical fiber, one end of above-mentioned optical fiber to be tested connects the device that can send optical signal, the other end of above-mentioned optical fiber to be tested connects above-mentioned optical fiber test apparatus, specifically, the other end of above-mentioned optical fiber to be tested is connected with the optical signal prosessing device of above-mentioned optical fiber test apparatus.Alternatively, the above-mentioned device that can send optical signal can also be have the optical fiber test apparatus in the present embodiment of optical signal generator part.
In some optional implementations of the present embodiment, if above-mentioned optical fiber to be tested is bidirectional optical fiber, the two ends of above-mentioned optical fiber to be tested are all connected with above-mentioned optical fiber test apparatus, and specifically, the two ends of above-mentioned optical fiber to be tested are all connected with the optical signal prosessing device of above-mentioned optical fiber test apparatus.
Step 502, mates device by passage and receives the optical signal of fiber-optic transfer to be tested and convert optical signals to the signal of telecommunication.
In the present embodiment, above-mentioned passage coupling device, it is possible to process the opto-electronic conversion between above-said current signal processing apparatus and above-mentioned optical fiber to be tested.Alternatively, above-mentioned passage coupling device can only have the function converting optical signals to the signal of telecommunication, can also only have the function converting electrical signals to optical signal, it is understood that above-mentioned passage coupling device can have signal of telecommunication transmitting photo-signal and the function converting optical signals to the signal of telecommunication simultaneously.
Step 503, processes the signal of telecommunication by Electric signal processing device and determines the bit error rate of this optical fiber.
In the present embodiment, above-said current signal processing apparatus can configure the signal of telecommunication changed for the optical signal processed through fiber-optic transfer to be tested the bit error rate determining this optical fiber.Here, after optical signal transmits on optical fiber to be tested, entering passage coupling device and carry out opto-electronic conversion, optical signal is converted to the signal of telecommunication, and Electric signal processing device processes above-said current signal and draws the bit error rate of this optical fiber.The above-mentioned bit error rate is to weigh the index of data data at the appointed time transmission accuracy.
In some optional implementations of the present embodiment, above-said current signal processing apparatus includes error code testing device, and said method includes: send verification code stream by above-mentioned error code testing device；Mate device by above-mentioned passage receive above-mentioned verification code stream and the circulation of above-mentioned check code is changed to optical signal, and above-mentioned optical signal is sent to optical fiber to be tested；Mate device by above-mentioned passage receive the optical signal of above-mentioned fiber-optic transfer to be tested and above-mentioned optical signal is converted to the signal of telecommunication；Process above-said current signal by above-mentioned error code testing device and calculate the bit error rate of this optical fiber.
In some optional implementations of the present embodiment, above-mentioned error code testing device include signal generating device and verification device, said method includes: by above-mentioned signal generating device based on testing requirement generate CRC stream and to above-mentioned passage mate device send above-mentioned CRC stream；Above-mentioned CRC stream that passage coupling device returns is received and based on the bit error rate of above-mentioned CRC this optical fiber of stream calculation by above-mentioned verification device.
In some optional implementations of the present embodiment, above-mentioned optical fiber test apparatus also includes on off test device, and said method also includes: send agreement code stream by above-mentioned on off test device；Process above-mentioned agreement code stream by above-mentioned lane testing device and determine the break-make of this optical fiber through the result of the transmission of above-mentioned optical fiber to be tested.
As on the other hand, present invention also provides a kind of computer-readable recording medium, this computer-readable recording medium can be the computer-readable recording medium comprised in the optical fiber test apparatus in above-described embodiment；Can also be individualism, be unkitted the computer-readable recording medium allocating optical fiber test apparatus into.Above computer readable storage medium storing program for executing storage has one or more than one program, and said procedure is used for performing to be described in the optical fiber test method based on optical fiber test apparatus of the application by one or more than one processor.
Above description is only the preferred embodiment of the application and the explanation to institute's application technology principle.Skilled artisan would appreciate that, invention scope involved in the application, it is not limited to the technical scheme of the particular combination of above-mentioned technical characteristic, also should be encompassed in when conceiving without departing from foregoing invention, other technical scheme being carried out combination in any by above-mentioned technical characteristic or its equivalent feature and being formed simultaneously.Such as features described above and (but not limited to) disclosed herein have the technical characteristic of similar functions and replace mutually and the technical scheme that formed.
Claims (8)
1. an optical fiber test apparatus, it is characterised in that described device includes:
Portable body and be integrated in the signal processor in described body and passage coupling device, described passage coupling device be used for connecting optical fiber to be tested and described signal processor, wherein:
Described signal processor includes optical signal prosessing device and Electric signal processing device, and the configuration of described optical signal prosessing device is for processing through the optical signal of fiber-optic transfer to be tested and determining the attenuation rate of this optical fiber；The signal of telecommunication that the configuration of described Electric signal processing device is changed for the optical signal processed through fiber-optic transfer to be tested the bit error rate determining this optical fiber；
Described passage coupling device, configuration is for processing the opto-electronic conversion between described Electric signal processing device and described optical fiber to be tested.
2. device according to claim 1, it is characterised in that described Electric signal processing device includes error code testing device, wherein:
Described error code testing device, configuration is used for sending verification code stream, and the result being flowed through the transmission of described optical fiber to be tested by the described check code of process calculates the bit error rate of this optical fiber.
3. device according to claim 2, it is characterised in that described error code testing device includes signal generating device and verification device, wherein:
Described signal generating device, configuration is for generating CRC stream based on testing requirement and mating the device described CRC stream of transmission to described passage；
Described verification device, configuration is used for receiving the described CRC stream of described passage coupling device return the bit error rate based on described CRC this optical fiber of stream calculation.
4. the device according to any one of claim 1-3, it is characterised in that described Electric signal processing device also includes on off test device, wherein:
Described on off test device, configuration is used for sending agreement code stream, and is determined the break-make of this optical fiber through the result of the transmission of described optical fiber to be tested by the described agreement code stream of process.
5. the optical fiber test method based on optical fiber test apparatus, it is characterized in that, described optical fiber test apparatus includes portable body and is integrated in the signal processor in described body and passage coupling device, described passage coupling device is used for connecting optical fiber to be tested and described signal processor, and described signal processor includes optical signal prosessing device and Electric signal processing device, described optical fiber test method includes:
Processed through the optical signal of fiber-optic transfer to be tested by described optical signal prosessing device and determine the attenuation rate of this optical fiber；
Mate device by described passage receive the optical signal of described fiber-optic transfer to be tested and described optical signal is converted to the signal of telecommunication；
Process the described signal of telecommunication by described Electric signal processing device and determine the bit error rate of this optical fiber.
6. method according to claim 5, it is characterised in that described Electric signal processing device includes error code testing device；And
Described process the described signal of telecommunication determine that the bit error rate of this optical fiber includes by described Electric signal processing device:
Verification code stream is sent by described error code testing device；
Mate device by described passage receive described verification code stream and the circulation of described check code is changed to optical signal, and described optical signal is sent to optical fiber to be tested；
Mate device by described passage receive the optical signal of described fiber-optic transfer to be tested and described optical signal is converted to the signal of telecommunication；
Process the described signal of telecommunication by described error code testing device and calculate the bit error rate of this optical fiber.
7. method according to claim 6, it is characterised in that described error code testing device includes signal generating device and verification device；And
Described method also includes:
By described signal generating device based on testing requirement generate CRC stream and to described passage mate device send described CRC stream；
Described CRC stream that passage coupling device returns is received and based on the bit error rate of described CRC this optical fiber of stream calculation by described verification device.
8. the method according to any one of claim 5-7, it is characterised in that described optical fiber test apparatus also includes on off test device；And
Described method also includes:
Agreement code stream is sent by described on off test device；
Process described agreement code stream by described lane testing device and determine the break-make of this optical fiber through the result of the transmission of described optical fiber to be tested.
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