CN109347548A - A kind of optical path integration testing platform and the optical channel integration test method based on platform realization - Google Patents
A kind of optical path integration testing platform and the optical channel integration test method based on platform realization Download PDFInfo
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- CN109347548A CN109347548A CN201711118447.9A CN201711118447A CN109347548A CN 109347548 A CN109347548 A CN 109347548A CN 201711118447 A CN201711118447 A CN 201711118447A CN 109347548 A CN109347548 A CN 109347548A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B10/00—Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
- H04B10/07—Arrangements for monitoring or testing transmission systems; Arrangements for fault measurement of transmission systems
- H04B10/075—Arrangements for monitoring or testing transmission systems; Arrangements for fault measurement of transmission systems using an in-service signal
- H04B10/079—Arrangements for monitoring or testing transmission systems; Arrangements for fault measurement of transmission systems using an in-service signal using measurements of the data signal
- H04B10/0795—Performance monitoring; Measurement of transmission parameters
- H04B10/07955—Monitoring or measuring power
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B10/00—Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
- H04B10/07—Arrangements for monitoring or testing transmission systems; Arrangements for fault measurement of transmission systems
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B10/00—Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
- H04B10/07—Arrangements for monitoring or testing transmission systems; Arrangements for fault measurement of transmission systems
- H04B10/075—Arrangements for monitoring or testing transmission systems; Arrangements for fault measurement of transmission systems using an in-service signal
- H04B10/077—Arrangements for monitoring or testing transmission systems; Arrangements for fault measurement of transmission systems using an in-service signal using a supervisory or additional signal
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B10/00—Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
- H04B10/07—Arrangements for monitoring or testing transmission systems; Arrangements for fault measurement of transmission systems
- H04B10/075—Arrangements for monitoring or testing transmission systems; Arrangements for fault measurement of transmission systems using an in-service signal
- H04B10/079—Arrangements for monitoring or testing transmission systems; Arrangements for fault measurement of transmission systems using an in-service signal using measurements of the data signal
Abstract
A kind of optical path integration testing platform of the present invention and the optical channel integration test method realized based on the platform belong to integrated treatment platform optical fiber interface the field of test technology.The present invention includes FC artificial card communication test, the quality test of optical channel physical layer signal, the function of testing circuitry self test brake three parts.FC artificial card communication test: the communication test of all optical channels is realized by FC artificial card；Optical channel physical layer signal quality test: the luminous sensitivity of the optical power test and receiving port of realizing all optical channel sending ports is tested；Test circuitry self test brake: have certain FC artificial card, optical attenuator preliminary self diagnosis ability.The present invention is based on photoswitch intelligent control platforms, comprehensive necessary test has been carried out to interface from light-path signal quality and light-path practical application, has solved a series of problems, such as extensive optical channel integration testing content of integrated treatment platform is simple, test method is single, test process is complicated for operation.
Description
Technical field
A kind of optical path integration testing platform of the present invention and the optical channel integration test method realized based on the platform belong to comprehensive
Close processing platform optical fiber interface the field of test technology.
Background technique
Integrated avionics core processing platform use the star topology network based on exchange, all functional modules and
Aerial Electronic Equipment realizes intraconnection and correspondence with foreign country by optical-fibre channel, and optical-fibre channel not still assist by internal each module transfer
Discuss the main channel of data or the main thoroughfare of processing platform and Aerial Electronic Equipment communication；Therefore the test verifying of optical channel
It is very necessary.Since integrated treatment platform synthesization degree is high, integrated treatment platform optical channel quantity is up to 40 tunnels, mesh
Preceding domestic common means of testing includes: 1) to be connect all optical channels with artificial card one by one using the method manually traversed, into
Row communication test；2) sending port of all optical channels is connect with light power meter using the method manually traversed one by one, is carried out
Optical power test.Test process is complicated for operation, testing efficiency is low, therefore designs here a kind of logical towards integrated treatment platform light
Trace gather at integrated test facility the communication function of all optical channels is realized based on flexible and changeable full-automatic light handover network
It can test, and enhancing test is carried out to optical signal quality in every optical channel all the way, is i.e. test sends the optical power of optical path and connects
The susceptibility for receiving optical path, provides best solution for the integrated test and verification of optical channel.
Summary of the invention
The purpose of the present invention: in order to solve, the extensive optical channel integration testing content of integrated treatment platform is simple, test side
A series of problems, such as method is single, test process is complicated for operation, the present invention is based on photoswitch intelligent control platforms, believe from light-path
Number quality and light-path practical application have carried out comprehensive necessary test to interface.
Technical solution of the present invention: a kind of optical path integration testing platform, the platform include optical exchange- switch network, light
Power meter, optical attenuator, FC artificial card, computer system:
Optical exchange- switch network: it is carried out between all tested optical channels and light power meter, optical attenuator, FC artificial card
Communication or test provide elementary path, can be by remotely controlling as all tested optical channels to light power meter, optical attenuation
Light-path is provided between device, FC artificial card；
Light power meter: it is connected to the network with optical exchange- switch, for measuring the light intensity of tested optical channel；
Optical attenuator: interconnecting with optical switching network, light power meter, and optical attenuator provides a variety of different setting power
Optical signal gives tested light-path, and then optical path integration testing platform is tested tested light-path by FC artificial card and set with different
Determine the variation of the optical signal of power, determines the sensitivity of tested optical channel access；
FC artificial card: emulation, test, data collection and analysis for FC system environments；
Computer system: being connected with optical exchange- switch network, light power meter, optical attenuator, FC artificial card respectively, and
It controls it；
FC artificial card communication test: the communication test of all optical channels is realized by FC artificial card；
Optical channel physical layer signal quality test: optical power test and the receiving end of all optical channel sending ports are realized
The luminous sensitivity test of mouth；
Test circuitry self test brake: have certain FC artificial card, optical attenuator preliminary self diagnosis ability.
The FC artificial card communication test takes following steps:
1) FC artificial card communication test is selected in main test program；
2) initialize photoswitch: configuration jth road is tested the starting channel number of optical channel, and wherein j is natural number；
3) it is tested optical channel and establishes physical link: carrying out photoswitch switching by being currently configured, jth is established by photoswitch
Road is tested the physical connection of optical channel and FC artificial card；
4) communication initialization: initialization jth road is tested optical channel and FC artificial card, and the tested optical channel in the road Shij enters logical
Letter state；
5) communication test: jth road is tested optical channel and is passed with FC artificial card according to preconfigured data packet format
It is defeated, realize the FC communication test of tested optical channel；
6) judge whether that the communication test for completing all optical channels enables j=j+1, that is, configure if not completing test
+ 1 tunnel of jth is tested optical channel, then branches to the communication test that step 3 carries out+1 road optical channel of jth；If test is completed,
Then terminate FC artificial card communication test, into main test program；
Following steps are taken in the optical channel physical layer signal quality test:
1) quality test of optical channel physical layer signal is selected in main test program；
2) select test content: selection currently needs physical layer content to be tested, if selection optical channel transmitting terminal light function
Rate test, then enter step 3；If selecting the test of optical channel receiving end luminous sensitivity, 4 are entered step；
3) optical channel transmitting terminal optical power testing process is as follows:
I. initialize photoswitch: configuration jth road is tested the starting channel number of optical channel, and wherein j is natural number；
Ii. it is tested optical channel and establishes physical link: carrying out photoswitch switching by the configuration of current jth road photoswitch；Pass through
Photoswitch establishes the physical connection that jth road is tested optical channel transmitting terminal and light power meter；
Iii. using the light intensity of light power meter measurement jth road sending port, and it is recorded；
Iv. judge whether that completing all optical channel transmitting terminal optical power tests enables j=j+1 if not completing test,
That is configuration+1 tunnel of jth is tested optical channel, then branches to the communication test that step ii carries out+1 road optical channel of jth；If complete
At test, then terminate the test of optical channel transmitting terminal optical power, into main test program.
4) optical channel receiving end luminous sensitivity testing process is as follows:
I. initialize photoswitch: configuration jth road is tested the starting channel number of optical channel, and wherein j is natural number；
Ii. establish input signal physical connection: selection input signal is realized defeated by the switching of photoswitch
Enter the transmitting terminal of pumping signal and the physical connection of optical attenuator；FC artificial card or other external light-pathes can be used as defeated
Enter pumping signal；
Iii. it is tested optical channel and establishes physical link: carrying out photoswitch switching by being currently configured, establish the by photoswitch
The road j is tested the physical connection of optical channel receiving end and optical attenuator, connects in input signal, optical attenuator, tested optical channel
A physical link is formed between receiving end；
Iv. it initializes communication link: setting off position for optical attenuator, establish input signal and be tested
The communication link of optical channel；
V. it adjusts optical attenuation parameter: measuring the optical power of current input signal by light power meter, keep tested light logical
Road is in the critical state of frame losing and normal communication, records the input signal that current optical attenuator issues optical channel to be measured
Light intensity；
Vi. judge whether that completing the test of all optical channel receiving ends luminous sensitivity enables j=j+ if not completing test
1, i.e. configuration+1 tunnel of jth is tested optical channel, then branches to the communication test that step iii carries out+1 road optical channel of jth；If
Test is completed, then terminates the test of optical channel receiving end luminous sensitivity, into main test program.
Following steps are taken in the test circuitry self test survey:
1) selection test circuitry self test is surveyed in main test program；
2) select test content: selection FC artificial card transmitting terminal optical power self-test then enters step 3；Select optical attenuation
Device one or optical attenuator two compare self-test, then enter step 4；
3) FC artificial card transmitting terminal optical power self-test flow gauge is as follows:
I. by the switching of photoswitch, realize the transmitting terminal of FC artificial card to the physics of optical attenuator one and light power meter
Connection；
Ii. the light intensity of artificial card transmitting terminal is measured, and the light intensity and standard value are compared, analysis, record；
4) it is as follows to compare self-test flow gauge for optical attenuator one or optical attenuator two:
I. by the switching of photoswitch, realize the transmitting terminal of FC artificial card to the physics of optical attenuator one and light power meter
Connection；
Ii. the attenuation parameter for adjusting optical attenuator one, the optical power and note of current input stimulus are measured by light power meter
Record；
Iii. by the switching of photoswitch, realize the transmitting terminal of FC artificial card to the object of optical attenuator two and light power meter
Reason connection；
Iv. the attenuation parameter for adjusting optical attenuator two, is consistent with the attenuation parameter of optical attenuator one in step ii,
The optical power and record of current input stimulus are measured by light power meter；
V. it compares measurement result twice and analyzes, records.
Advantages of the present invention: the integration test integrated towards integrated treatment platform optical channel, core technology are mainly logical
It crosses and constructs flexible and changeable full-automatic light handover network, the test method in conjunction with practical application, it is comprehensive to solve extensive optical channel
The problem of test, has the following advantages:
A) test content is comprehensive, test method is flexible and changeable, realizes comprehensive necessary optical channel integration test: including
Communication function is tested, the optical power of transmission optical path is tested, the susceptibility test of receiving light path；
B) complexity that optical channel test operation is reduced using intelligent optical switch handover network, substantially increases optical channel
Testing efficiency；
C) circuitry self test surveys ability, has the ability of certain test test environment self diagnosis, it is ensured that test the strong of environment
It is health, reliable；
D) all optical channels can carry out automatic closed loop test, effectively control damage caused by optical channel interconnection changes
Consumption；
E) the high reusability of functional circuit, using flexible, power of test be strong, high reliablity, at low cost；
Detailed description of the invention
Fig. 1 test function composition block diagram；
Fig. 2 hardware capability circuit interconnects block diagram.
Fig. 3 testing process schematic diagram；
Specific embodiment
A kind of optical path integration testing platform, the platform include optical exchange- switch network, light power meter, optical attenuator, FC
Artificial card, computer system:
Optical exchange- switch network: it is carried out between all tested optical channels and light power meter, optical attenuator, FC artificial card
Communication or test provide elementary path, can be by remotely controlling as all tested optical channels to light power meter, optical attenuation
Light-path is provided between device, FC artificial card；
Light power meter: it is connected to the network with optical exchange- switch, for measuring the light intensity of tested optical channel；
Optical attenuator: interconnecting with optical switching network, light power meter, and optical attenuator provides a variety of different setting power
Optical signal gives tested light-path, and then optical path integration testing platform is tested tested light-path by FC artificial card and set with different
Determine the variation of the optical signal of power, determines the sensitivity of tested optical channel access；
FC artificial card: emulation, test, data collection and analysis for FC system environments；
Computer system: being connected with optical exchange- switch network, light power meter, optical attenuator, FC artificial card respectively, and
It controls it；
FC artificial card communication test: the communication test of all optical channels is realized by FC artificial card；
Optical channel physical layer signal quality test: optical power test and the receiving end of all optical channel sending ports are realized
The luminous sensitivity test of mouth；
Test circuitry self test brake: have certain FC artificial card, optical attenuator preliminary self diagnosis ability.
The FC artificial card communication test takes following steps:
1) FC artificial card communication test is selected in main test program；
2) initialize photoswitch: configuration jth road is tested the starting channel number of optical channel, and wherein j is natural number；
3) it is tested optical channel and establishes physical link: carrying out photoswitch switching by being currently configured, jth is established by photoswitch
Road is tested the physical connection of optical channel and FC artificial card；
4) communication initialization: initialization jth road is tested optical channel and FC artificial card, and the tested optical channel in the road Shij enters logical
Letter state；
5) communication test: jth road is tested optical channel and is passed with FC artificial card according to preconfigured data packet format
It is defeated, realize the FC communication test of tested optical channel；
6) judge whether that the communication test for completing all optical channels enables j=j+1, that is, configure if not completing test
+ 1 tunnel of jth is tested optical channel, then branches to the communication test that step 3 carries out+1 road optical channel of jth；If test is completed,
Then terminate FC artificial card communication test, into main test program；
Following steps are taken in the optical channel physical layer signal quality test:
1) quality test of optical channel physical layer signal is selected in main test program；
2) select test content: selection currently needs physical layer content to be tested, if selection optical channel transmitting terminal light function
Rate test, then enter step 3；If selecting the test of optical channel receiving end luminous sensitivity, 4 are entered step；
3) optical channel transmitting terminal optical power testing process is as follows:
I. initialize photoswitch: configuration jth road is tested the starting channel number of optical channel, and wherein j is natural number；
Ii. it is tested optical channel and establishes physical link: carrying out photoswitch switching by the configuration of current jth road photoswitch；Pass through
Photoswitch establishes the physical connection that jth road is tested optical channel transmitting terminal and light power meter；
Iii. using the light intensity of light power meter measurement jth road sending port, and it is recorded；
Iv. judge whether that completing all optical channel transmitting terminal optical power tests enables j=j+1 if not completing test,
That is configuration+1 tunnel of jth is tested optical channel, then branches to the communication test that step ii carries out+1 road optical channel of jth；If complete
At test, then terminate the test of optical channel transmitting terminal optical power, into main test program.
4) optical channel receiving end luminous sensitivity testing process is as follows:
I. initialize photoswitch: configuration jth road is tested the starting channel number of optical channel, and wherein j is natural number；
Ii. establish input signal physical connection: selection input signal is realized defeated by the switching of photoswitch
Enter the transmitting terminal of pumping signal and the physical connection of optical attenuator；FC artificial card or other external light-pathes can be used as defeated
Enter pumping signal；
Iii. it is tested optical channel and establishes physical link: carrying out photoswitch switching by being currently configured, establish the by photoswitch
The road j is tested the physical connection of optical channel receiving end and optical attenuator, connects in input signal, optical attenuator, tested optical channel
A physical link is formed between receiving end；
Iv. it initializes communication link: setting off position for optical attenuator, establish input signal and be tested
The communication link of optical channel；
V. it adjusts optical attenuation parameter: measuring the optical power of current input signal by light power meter, keep tested light logical
Road is in the critical state of frame losing and normal communication, records the input signal that current optical attenuator issues optical channel to be measured
Light intensity；
Vi. judge whether that completing the test of all optical channel receiving ends luminous sensitivity enables j=j+ if not completing test
1, i.e. configuration+1 tunnel of jth is tested optical channel, then branches to the communication test that step iii carries out+1 road optical channel of jth；If
Test is completed, then terminates the test of optical channel receiving end luminous sensitivity, into main test program.
Following steps are taken in the test circuitry self test survey:
1) selection test circuitry self test is surveyed in main test program；
2) select test content: selection FC artificial card transmitting terminal optical power self-test then enters step 3；Select optical attenuation
Device one or optical attenuator two compare self-test, then enter step 4；
3) FC artificial card transmitting terminal optical power self-test flow gauge is as follows:
I. by the switching of photoswitch, realize the transmitting terminal of FC artificial card to the physics of optical attenuator one and light power meter
Connection；
Ii. the light intensity of artificial card transmitting terminal is measured, and the light intensity and standard value are compared, analysis, record；
4) it is as follows to compare self-test flow gauge for optical attenuator one or optical attenuator two:
I. by the switching of photoswitch, realize the transmitting terminal of FC artificial card to the physics of optical attenuator one and light power meter
Connection；
Ii. the attenuation parameter for adjusting optical attenuator one, the optical power and note of current input stimulus are measured by light power meter
Record；
Iii. by the switching of photoswitch, realize the transmitting terminal of FC artificial card to the object of optical attenuator two and light power meter
Reason connection；
Iv. the attenuation parameter for adjusting optical attenuator two, is consistent with the attenuation parameter of optical attenuator one in step ii,
The optical power and record of current input stimulus are measured by light power meter；
V. it compares measurement result twice and analyzes, records.
The present invention is described in more detail with reference to the accompanying drawing.
Optical path integration testing platform is mainly by optical exchange- switch network, light power meter, optical attenuator and FC artificial card group
At as Fig. 2 hardware capability circuit interconnects block diagram.Concrete function is as follows:
A) optical exchange- switch network is led between all optical channels to light power meter, optical attenuator and FC artificial card
Letter test provides elementary path, realizes flexible and changeable " seamless switching " by remotely controlling.
B) light power meter, the rapid data transmission for device connectivity, high speed measurement data acquisition and post-processing provide
Leading solution.By and optical exchange- switch network combination, provide rapid survey solution.
C) optical attenuator, for flexibly being controlled the optical signal power in test device.By monitoring output work
Accurate and stable power setting can be achieved in rate under any input power.By with optical switching network, optical power and
In conjunction with, by measurement BER with the variation of input signal power, determine the sensitivity of optical channel access.
D) FC artificial card, emulation, test, data collection and analysis for FC system environments.
The major function that optical channel integration testing is realized includes: FC artificial card communication test, optical channel physical layer signal matter
It measures examination and test circuitry self test surveys this three parts, testing process is as shown in figure 3, next will be to these three major function moulds
Block is illustrated.
B) operating process of FC artificial card communication test, on the left of Fig. 3 shown in " FC artificial card communication test " box, when
It will specifically be tested by following process after selecting this test pattern:
1) it initializes photoswitch: configuring the starting channel number of tested optical channel, such as j=1；
2) it is tested optical channel and establishes physical link: carrying out photoswitch switching by being currently configured, established by photoswitch tested
The physical connection on optical channel (jth road) and FC artificial card；
3) communication initialization: initializing tested optical channel (road Jij) and FC artificial card enters communications status；
4) communication test: tested optical channel (road Jij) and FC artificial card are carried out according to the data packet format of customer acceptance
Communication test is realized in transmission；
5) judge whether to complete the communication test of all optical channels, if do not completed, under configuration all the way optical channel be to
It surveys channel (i.e. j=j+1), then branches to the communication test that step 2 carries out down optical channel all the way；If be completed, terminate
Communication test process；
C) optical channel physical layer signal quality test process, " quality test of the optical channel physical layer signal " side in the middle part of Fig. 3
Shown in frame, will specifically it be tested by following process after selecting this test pattern:
1) test content is selected: i.e. by automatically configuring or artificial selection currently needs physical layer content to be tested, first is that
The test of optical channel transmitting terminal optical power, enters step 2；Second is that optical channel receiving end luminous sensitivity is tested, 3 are entered step；
2) optical channel transmitting terminal optical power testing process is as follows:
I. it initializes photoswitch: configuring the starting channel number of tested optical channel, such as j=1；
Ii. it is tested optical channel and establishes physical link: carrying out photoswitch switching by being currently configured, quilt is established by photoswitch
Survey the physical connection of optical channel (jth road) transmitting terminal and light power meter；
Iii. the light intensity and record of currently transmitted port are measured；
Iv. judge whether to complete the communication test of all optical channels, if do not completed, optical channel is all the way under configuration
Channel (i.e. j=j+1) to be measured then branches to the communication test that jth j step carries out down optical channel all the way；If be completed,
Terminate communication test process；
3) optical channel receiving end luminous sensitivity testing process is as follows:
I. it initializes photoswitch: configuring the starting channel number of tested optical channel, such as j=1；
Ii. establish input stimulus physical connection: there are two types of input stimulus, first is that FC artificial card, second is that other light-pathes.
After determining input stimulus, switch the physical connection for realizing the transmitting terminal of input stimulus artificial card to optical attenuator by photoswitch；
Iii. it is tested optical channel and establishes physical link: carrying out photoswitch switching by being currently configured, quilt is established by photoswitch
Survey the physical connection of optical channel (jth road) receiving end and optical attenuator；Optical channel is tested in input stimulus-optical attenuator-
Receiving end forms a physical link；
Iv. initialize communication link: optical attenuator is set as 0, i.e. off position at this time, establishes input stimulus and quilt
Survey the communication link of optical channel；
V. optical attenuation parameter is adjusted, the optical power of current input stimulus is measured by light power meter, is made at tested optical channel
The light intensity and record of optical channel to be measured are issued after the critical state of frame losing and normal communication, record current attenuation；
Vi. judge whether to complete the communication test of all optical channels, if do not completed, optical channel is all the way under configuration
Channel (i.e. j=j+1) to be measured then branches to the communication test that jth jj step carries out down optical channel all the way；If be completed,
Terminate communication test process；
D) test circuitry self test flow gauge is as follows:
1) test content is selected: i.e. by automatically configuring or artificial selection currently needs to carry out the content of self-test, first is that
FC artificial card transmitting terminal optical power self-test, enters step 2；Second is that optical attenuator one and optical attenuator two compare self-test, into
Enter step 3；
2) FC artificial card transmitting terminal optical power self-test flow gauge is as follows:
I. pass through the transmitting terminal of photoswitch switching realization input stimulus artificial card to optical attenuator-light power meter physics
Connection；
Ii. it measures the light intensity of artificial card transmitting terminal and is compared with standard value, analysis, record；
3) it is as follows to compare self-test flow gauge for optical attenuator one and optical attenuator two:
I. switch the object for realizing the transmitting terminal of input stimulus artificial card to one-light power meter of optical attenuator by photoswitch
Reason connection；
Ii. the attenuation parameter for adjusting optical attenuator one, the optical power and note of current input stimulus are measured by light power meter
Record；
Iii. pass through the transmitting terminal of photoswitch switching realization input stimulus artificial card to two-light power meter of optical attenuator
Physical connection；
Iv. the attenuation parameter (keeping always with the attenuation parameter of optical attenuator one) for adjusting optical attenuator two, passes through light function
Rate meter measures the optical power and record of current input stimulus；It compares measurement result twice and analyzes, records.
Claims (4)
1. a kind of optical path integration testing platform, which is characterized in that the platform includes optical exchange- switch network, light power meter, light
Attenuator, FC artificial card, computer system:
Optical exchange- switch network: being communicated between all tested optical channels and light power meter, optical attenuator, FC artificial card or
Person, which tests, provides elementary path, can be emulated by remotely controlling for all tested optical channels to light power meter, optical attenuator, FC
Light-path is provided between card；
Light power meter: it is connected to the network with optical exchange- switch, for measuring the light intensity of tested optical channel；
Optical attenuator: interconnecting with optical switching network, light power meter, and optical attenuator provides the optical signal of a variety of different setting power
To tested light-path, then optical path integration testing platform tests tested light-path with different setting power by FC artificial card
The variation of optical signal determines the sensitivity of tested optical channel access；
FC artificial card: emulation, test, data collection and analysis for FC system environments；
Computer system: being connected with optical exchange- switch network, light power meter, optical attenuator, FC artificial card respectively, and to its into
Row control；
FC artificial card communication test: the communication test of all optical channels is realized by FC artificial card；
Optical channel physical layer signal quality test: the light of the optical power test and receiving port of all optical channel sending ports is realized
Sensitivity test；
Test circuitry self test brake: have certain FC artificial card, optical attenuator preliminary self diagnosis ability.
2. a kind of test method based on optical path integration testing platform described in claim 1, which is characterized in that the FC emulation
Following steps are taken in cartoon letters test:
1) FC artificial card communication test is selected in main test program；
2) initialize photoswitch: configuration jth road is tested the starting channel number of optical channel, and wherein j is natural number；
3) it is tested optical channel and establishes physical link: carrying out photoswitch switching by being currently configured, it is tested to establish jth road by photoswitch
The physical connection of optical channel and FC artificial card；
4) communication initialization: initialization jth road is tested optical channel and FC artificial card, and the road Shij is tested optical channel and enters communication shape
State；
5) communication test: jth road is tested optical channel and is transmitted with FC artificial card according to preconfigured data packet format, realizes
The FC communication test of tested optical channel；
6) judge whether that the communication test for completing all optical channels enables j=j+1, i.e. configuration jth+1 if not completing test
Road is tested optical channel, then branches to the communication test that step 3 carries out+1 road optical channel of jth；If test is completed, terminate
FC artificial card communication test, into main test program.
3. a kind of optical channel physical layer signal quality detecting method based on optical path integration testing platform described in claim 1,
It is characterized in that, following steps are taken in the optical channel physical layer signal quality test:
1) quality test of optical channel physical layer signal is selected in main test program；
2) select test content: selection currently needs physical layer content to be tested, if selection optical channel transmitting terminal optical power is surveyed
Examination, then enter step 3；If selecting the test of optical channel receiving end luminous sensitivity, 4 are entered step；
3) optical channel transmitting terminal optical power testing process is as follows:
I. initialize photoswitch: configuration jth road is tested the starting channel number of optical channel, and wherein j is natural number；
Ii. it is tested optical channel and establishes physical link: carrying out photoswitch switching by the configuration of current jth road photoswitch；It is opened by light
It closes and establishes the physical connection that jth road is tested optical channel transmitting terminal and light power meter；
Iii. using the light intensity of light power meter measurement jth road sending port, and it is recorded；
Iv. judge whether that complete all optical channel transmitting terminal optical power tests enables j=j+1, that is, match if not completing test
It sets+1 tunnel of jth and is tested optical channel, then branch to the communication test that step ii carries out+1 road optical channel of jth；If survey is completed
Examination then terminates the test of optical channel transmitting terminal optical power, into main test program.
4) optical channel receiving end luminous sensitivity testing process is as follows:
I. initialize photoswitch: configuration jth road is tested the starting channel number of optical channel, and wherein j is natural number；
Ii. establish input signal physical connection: selection input signal realizes that input swashs by the switching of photoswitch
Encourage the transmitting terminal of signal and the physical connection of optical attenuator；FC artificial card or other external light-pathes can be used as input stimulus
Signal；
Iii. it is tested optical channel and establishes physical link: carrying out photoswitch switching by being currently configured, jth road quilt is established by photoswitch
The physical connection for surveying optical channel receiving end and optical attenuator, input signal, optical attenuator, tested optical channel receiving end it
Between formed a physical link；
Iv. it initializes communication link: setting off position for optical attenuator, establish input signal and tested optical channel
Communication link；
V. it adjusts optical attenuation parameter: measuring the optical power of current input signal by light power meter, make at tested optical channel
In the critical state of frame losing and normal communication, the light that current optical attenuator issues the input signal of optical channel to be measured is recorded
By force；
Vi. judge whether that completing the test of all optical channel receiving ends luminous sensitivity enables j=j+1, i.e., if not completing test
It configures+1 tunnel of jth and is tested optical channel, then branch to the communication test that step iii carries out+1 road optical channel of jth；If be completed
Test then terminates the test of optical channel receiving end luminous sensitivity, into main test program.
4. a kind of test circuitry self test based on optical path integration testing platform described in claim 1 surveys method, which is characterized in that
Following steps are taken in the test circuitry self test survey:
1) selection test circuitry self test is surveyed in main test program；
2) select test content: selection FC artificial card transmitting terminal optical power self-test then enters step 3；Select optical attenuator one
Or optical attenuator two compares self-test, then enters step 4；
3) FC artificial card transmitting terminal optical power self-test flow gauge is as follows:
I. by the switching of photoswitch, realize the transmitting terminal of FC artificial card to the physical connection of optical attenuator one and light power meter；
Ii. the light intensity of artificial card transmitting terminal is measured, and the light intensity and standard value are compared, analysis, record；
4) it is as follows to compare self-test flow gauge for optical attenuator one or optical attenuator two:
I. by the switching of photoswitch, realize the transmitting terminal of FC artificial card to the physical connection of optical attenuator one and light power meter；
Ii. the attenuation parameter for adjusting optical attenuator one, the optical power and record of current input stimulus are measured by light power meter；
Iii. by the switching of photoswitch, realize that the transmitting terminal of FC artificial card connects to the physics of optical attenuator two and light power meter
It connects；
Iv. the attenuation parameter for adjusting optical attenuator two, is consistent with the attenuation parameter of optical attenuator one in step ii, passes through light
Power meter measures the optical power and record of current input stimulus；
V. it compares measurement result twice and analyzes, records.
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