CN104506233A - 1*N multi-channel optical switch polling test system - Google Patents
1*N multi-channel optical switch polling test system Download PDFInfo
- Publication number
- CN104506233A CN104506233A CN201510007828.4A CN201510007828A CN104506233A CN 104506233 A CN104506233 A CN 104506233A CN 201510007828 A CN201510007828 A CN 201510007828A CN 104506233 A CN104506233 A CN 104506233A
- Authority
- CN
- China
- Prior art keywords
- optical switch
- output
- input
- pin pipe
- coupler
- 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
Abstract
The invention relates to the technical field of test systems, and discloses a 1*N multi-channel optical switch polling test system. The test system comprises a light source group, a first light switch, a coupler, a Pin tube, a second optical switch, N-channel power meter test module, a third optical switch and a programmable controller; the light source group is connected with the input end of the first optical switch; the output end of the first optical switch is connected with the input end of the coupler; the output end of the coupler is connected with the input end of the Pin tube; the output end of the Pin tube is connected with the programmable controller; the output end of the coupler is connected with the input end of the second optical switch; and output end of the second optical switch is connected with the input end of an optical switch to be tested; the output end of the second optical switch is connected with the input end of the third optical switch; the output end of the optical switch to be tested is connected with the input end of a test module; the output end of the test module is connected with the input end of the third optical switch; and the output end of the third optical switch is connected with the programmable controller. The 1*N multi-channel optical switch polling test system has the characteristics of convenience for operation and time saving.
Description
Technical field
The present invention relates to test macro technical field, be mainly applicable to the poll test macro of 1xN multichannel optical switch.
Background technology
Along with the development gradually of the dilatation of network, the increasing of traffic carrying capacity kind, FTTH (Fiber To The Home) technology and CATV (Community Antenna Television) technology, 1x2,2x2 optical switch in the past can not meet the multiport demand of more than present 1x32,1x64,1x128 optical link.Because port is too many, it is the defect that the production of optical switch or the test in user side all exist that complex operation is complicated and lose time.Wherein, the core index of optical switch comprises: insertion loss (IL), isolation (ISO), return loss (RL) and handoff delay (switch time), and all needs test.
Determining optical switch by the application scenarios of optical switch is the device that multi-wavelength is applied, and the instructions for use of most basic optical switch also demand fulfillment Dual-window 1310nm and 1550nm wavelength.If the method for artificial port test one by one conveniently, test a multiport optical switch, need the test tie jumper changing up to a hundred times, manually switch each passage successively, no matter in test preparatory stage, test process or the acquisition phase of data, operation all extremely trouble and consuming time.
Summary of the invention
Technical problem to be solved by this invention is to provide a kind of poll testing system device of 1xN multichannel optical switch, and it can be tested the core index of optical switch, and has easy and simple to handle and timesaving feature.
For solving the problems of the technologies described above, the invention provides a kind of poll test macro of 1xN multichannel optical switch, comprising: light source group, a 1*N optical switch, a 1*N coupler, a Pin pipe, the 2nd 1*N optical switch, N channel power meter test module, the 3rd 1*N optical switch and Programmable Logic Controller; The output of described light source group is connected with the input of a described 1*N optical switch, and the output of a described 1*N optical switch is connected with the input of a described 1*N coupler; First output of a described 1*N coupler is connected with the input of a described Pin pipe, and the output of a described Pin pipe is connected with the input of described Programmable Logic Controller; Second output of a described 1*N coupler is connected with the input of described 2nd 1*N optical switch; First output of described 2nd 1*N optical switch is connected with the input of 1*N optical switch to be measured, and the second output of described 2nd 1*N optical switch is connected with the first input end of described 3rd 1*N optical switch; The N channel output of described 1*N optical switch to be measured is connected with the input of described N channel power meter test module separately respectively, and the output of described N channel power meter test module is connected with the second input of described 3rd 1*N optical switch; The output of described 3rd 1*N optical switch is connected with the input of described Programmable Logic Controller.
Further, described N channel power meter test module comprises: N number of 1*N coupler and N number of Pin manage; The N channel output of described 1*N optical switch to be measured is connected with the input of described N number of 1*N coupler separately respectively; First output of described N number of 1*N coupler connects one to one with the input of described N number of Pin pipe separately respectively, and the output of described N number of Pin pipe is connected with the input of described Programmable Logic Controller; Second output of described N number of 1*N coupler is connected with the second input of described 3rd 1*N optical switch.
Further, described Programmable Logic Controller comprises:
First computing module, for passing through formula IL=(P
-i-x-max+ P
-i-x-min)/2-P
r-i-x-(P
0-i-x-P
r0-i-x) calculate insertion loss IL; Wherein, P
-i-x-maxfor the maximum luminous power that the Pin pipe of i-th passage in described N channel power meter test module detects; P
-i-x-minfor the minimum optical power that the Pin pipe of i-th passage in described N channel power meter test module detects; P
r-i-xfor the luminous power that the Pin pipe of i-th passage in described N channel power meter test module detects when insertion loss is calibrated; P
r0-i-xfor the luminous power that a described Pin pipe detects when insertion loss is calibrated; P
0-i-xfor the luminous power that a described Pin pipe detects when insertion loss is tested.
Further, described Programmable Logic Controller comprises:
Second computing module, for passing through formula IL=(P
-i-x-max+ P
-i-x-min)/2-P
r-i-x-(P
0-i-x-P
r0-i-x) calculate isolation; Wherein, P
-i-x-maxfor the maximum luminous power that the Pin pipe of i-th passage in described N channel power meter test module detects; P
-i-x-minfor the minimum optical power that the Pin pipe of i-th passage in described N channel power meter test module detects; P
r-i-xfor the luminous power that the Pin pipe of i-th passage in described N channel power meter test module detects when insertion loss is calibrated; P
r0-i-xfor the luminous power that a described Pin pipe detects when insertion loss is calibrated; P
0-i-xfor the luminous power that a described Pin pipe detects when insertion loss is tested.
Further, described Programmable Logic Controller comprises:
3rd computing module, for passing through formula RL=-10log ((P
rl-i-P
rl-i-zero)/(P
rl-i-ref-P
rl-i-zero))+14.7 calculate return loss RL; Wherein, P
rl-ifor the luminous power that the Pin pipe of i-th passage in described N channel power meter test module detects; P
rl-i-zerofor the luminous power that the Pin pipe of i-th passage in described N channel power meter test module detects when return loss test winding mold makes zero; P
rl-i-reffor the luminous power that the Pin pipe of i-th passage in described N channel power meter test module detects when the return loss of calibration criterion return loss test wire jumper.
Further, also comprise: a FC/APC adapter packs; The N channel output of described 1*N optical switch to be measured connects one to one with the input of each adapter in a described FC/APC adapter packs separately respectively, and in a described FC/APC adapter packs, the output of each adapter connects one to one with the input of described N number of 1*N coupler separately respectively.
Further, also comprise: the 2nd FC/APC adapter packs; Second output of described N number of 1*N coupler connects one to one with the input of each adapter in described 2nd FC/APC adapter packs separately respectively, and in described 2nd FC/APC adapter packs, the output of each adapter is connected with the second input of described 3rd 1*N optical switch.
Further, also comprise: high/low temperature circulating box; Described 1*N optical switch to be measured is arranged in described high/low temperature circulating box.
Further, also comprise: the 2nd 1*N coupler and the 2nd Pin manage; First output of described 2nd 1*N optical switch is connected with the input of described 2nd 1*N coupler, first output of described 2nd 1*N coupler is connected with the input of described 2nd Pin pipe, and the output of described 2nd Pin pipe is connected with the input of described Programmable Logic Controller; Second output of described 2nd 1*N coupler is connected with the input of described 1*N optical switch to be measured.
Further, also comprise: connect FC/APC adapter and be connected FC/UPC adapter; Second output of described 2nd 1*N coupler connects with the described input being connected FC/APC adapter, and the output of described connection FC/APC adapter is connected with the input of described 1*N optical switch to be measured; Second output of described 2nd 1*N optical switch connects with the described input being connected FC/UPC adapter, and the output of described connection FC/UPC adapter is connected with the first input end of described 3rd 1*N optical switch.
Beneficial effect of the present invention is:
The poll test macro of 1xN multichannel optical switch provided by the invention, exports the light signal of different wave length by light source group, and by controlling the selection of a 1*N optical switch, the 2nd 1*N optical switch and the 3rd 1*N optical switch, exports the light of required wavelength; The power of light is detected again by a Pin pipe and N channel power meter test module; Output test result finally by Programmable Logic Controller.When the index needing test when photometry switch is at the light signal by other wavelength, the light of required wavelength only need be exported by light source group, a 1*N optical switch, the 2nd 1*N optical switch and the 3rd 1*N optical switch is regulated to select input and output again, thus achieve the core index of optical switch is tested, and easy and simple to handle and save time.
Accompanying drawing explanation
The structural representation of the poll test macro of the 1xN multichannel optical switch that Fig. 1 provides for the embodiment of the present invention;
The workflow diagram of the poll test macro of the 1xN multichannel optical switch that Fig. 2 provides for the embodiment of the present invention;
Wherein, 1-light source group, 2-the one 1*N optical switch, 3-the one 1*N coupler, 4-the one Pin manages, 5-the 2nd 1*N optical switch, 6-N channel power meter test module, 7-the 3rd 1*N optical switch, 8-Programmable Logic Controller, 9-the 2nd 1*N coupler, 10-the 2nd Pin manages, and 11-connects FC/UPC adapter, 12-1*N optical switch to be measured, 13-connects FC/APC adapter, 14-high/low temperature circulating box.
Embodiment
For setting forth the present invention further for the technological means reaching predetermined goal of the invention and take and effect, below in conjunction with accompanying drawing and preferred embodiment, the embodiment of poll test macro of the 1xN multichannel optical switch proposed according to the present invention and operation principle are described in detail.
See Fig. 1, the poll test macro of the 1xN multichannel optical switch that the embodiment of the present invention provides, comprising: light source group 1, a 1*N optical switch 2, a 1*N coupler 3, a Pin pipe 4, the 2nd 1*N optical switch 5, N channel power meter test module the 6, the 3rd 1*N optical switch 7 and Programmable Logic Controller 8; The output of light source group 1 is connected with the input of a 1*N optical switch 2, and the output of a 1*N optical switch 2 is connected with the input of a 1*N coupler 3; First output of the one 1*N coupler 3 is connected with the input of a Pin pipe 4, and the output of a Pin pipe 4 is connected with the input of Programmable Logic Controller 8 (not illustrating in the drawings); Second output of the one 1*N coupler 3 is connected with the input of the 2nd 1*N optical switch 5; First output of the 2nd 1*N optical switch 5 is connected with the input of 1*N optical switch 12 to be measured, and the second output of the 2nd 1*N optical switch 5 is connected with the first input end of the 3rd 1*N optical switch 7; The N channel output of 1*N optical switch 12 to be measured is connected with the input of N channel power meter test module 6 separately respectively, and the output of N channel power meter test module 6 is connected with the second input of the 3rd 1*N optical switch 7; The output of the 3rd 1*N optical switch 7 is connected with the input of Programmable Logic Controller 8.Wherein, light source group 1 can export the light of different wave length.One 1*N coupler 3 is the coupler of 1*299:1, the input of 1% light splitting termination the one Pin pipe 4 of the coupler of 1*299:1, in order to monitor light source intensity, and the input of 99% termination the 2nd 1*N optical switch 5 of the coupler of 1*299:1.
Be described the structure of the embodiment of the present invention further, the embodiment of the present invention also comprises: the 2nd 1*N coupler 9, the 2nd Pin pipe 10 be connected FC/UPC adapter 11; First output of the 2nd 1*N optical switch 5 is connected with the input of the 2nd 1*N coupler 9, first output of the 2nd 1*N coupler 9 is connected with the input of the 2nd Pin pipe 10, and the output of the 2nd Pin pipe 10 is connected with the input of Programmable Logic Controller 8 (not illustrating in the drawings); Second output of the 2nd 1*N coupler 9 is connected with the input of 1*N optical switch 12 to be measured.Second output of the 2nd 1*N optical switch 5 connects with the input being connected FC/UPC adapter 11, and the output connecting FC/UPC adapter 11 is connected with the first input end of the 3rd 1*N optical switch 7.Further, the embodiment of the present invention also comprises: connect FC/APC adapter 13; Second output of the 2nd 1*N coupler 9 connects with the input being connected FC/APC adapter 13, and the output connecting FC/APC adapter 13 is connected with the input of 1*N optical switch 12 to be measured.Wherein, the 2nd 1*N coupler 9 is 1x250:50 coupler.
Be described the structure of N channel power meter test module 6 in the embodiment of the present invention, N channel power meter test module 6 comprises: N number of 1*N coupler and N number of Pin manage; The N channel output of 1*N optical switch 12 to be measured is connected with the input of N number of 1*N coupler separately respectively; First output of N number of 1*N coupler connects one to one with the input of N number of Pin pipe separately respectively, and the output of N number of Pin pipe is connected with the input of Programmable Logic Controller 8 (not illustrating in the drawings); Second output of N number of 1*N coupler is connected with the second input of the 3rd 1*N optical switch 7.1*N coupler is wherein 1x250:50 coupler.
Be described the Programmable Logic Controller 8 in the embodiment of the present invention, Programmable Logic Controller 8 comprises:
First computing module, for passing through formula IL=(P
-i-x-max+ P
-i-x-min)/2-P
r-i-x-(P
0-i-x-P
r0-i-x) calculating insertion loss IL, unit is dB; Wherein, P
-i-x-maxfor the maximum luminous power that the Pin pipe of i-th passage in N channel power meter test module 6 detects, unit is dbm; P
-i-x-minfor the minimum optical power that the Pin pipe of i-th passage in N channel power meter test module 6 detects, unit is dbm; P
r-i-xfor the luminous power that the Pin pipe of i-th passage in N channel power meter test module 6 detects when insertion loss is calibrated, unit is dbm; P
r0-i-xbe the luminous power that a Pin pipe 4 detects when insertion loss is calibrated, unit is dbm; P
0-i-xbe the luminous power that a Pin pipe 4 detects when insertion loss is tested, unit is dbm.Count example with conventional multi-wavelength power, X is a, b, c, d.Wherein, a represents 1550 test of light source Insertion Loss, and b represents 1310 test of light source Insertion Loss, and c represents 1490 test of light source Insertion Loss, and d represents external light source test Insertion Loss.
Second computing module, for passing through formula IL=(P
-i-x-max+ P
-i-x-min)/2-P
r-i-x-(P
0-i-x-P
r0-i-x) calculate isolation; Here it should be noted that, method of testing and the computing formula of isolation and Insertion Loss are consistent, and difference is, isolation is the calculated value of current channel non operating state, and Insertion Loss is the calculated value of current channel operating state.
3rd computing module, for passing through formula RL=-10log ((P
rl-i-P
rl-i-zero)/(P
rl-i-ref-P
rl-i-zero))+14.7 calculating return loss RL, unit is dB; Wherein, P
rl-ifor the luminous power that the Pin pipe of i-th passage in N channel power meter test module 6 detects; P
rl-i-zerofor the luminous power that the Pin pipe of i-th passage in N channel power meter test module 6 detects when return loss test winding mold makes zero; P
rl-i-reffor the luminous power that the Pin pipe of i-th passage in N channel power meter test module 6 detects when the return loss of calibration criterion return loss test wire jumper; 14.7 is test accurate accepted standard 14.7dB return loss calibration wire jumper to ensure.Be further detailed the structure of the embodiment of the present invention, the embodiment of the present invention also comprises: a FC/APC adapter packs and the 2nd FC/APC adapter packs; The N channel output of 1*N optical switch 12 to be measured connects one to one with the input of each adapter in a FC/APC adapter packs separately respectively, and in a FC/APC adapter packs, the output of each adapter connects one to one with the input of the N number of 1*N coupler in N channel power meter test module 6 separately respectively.Second output of the N number of 1*N coupler in N channel power meter test module 6 connects one to one with the input of each adapter in the 2nd FC/APC adapter packs separately respectively, and in the 2nd FC/APC adapter packs, the output of each adapter is connected with the second input of the 3rd 1*N optical switch 7.
In order to test the temperature correlation loss (TDL) of optical switch, the embodiment of the present invention also comprises: high/low temperature circulating box 14; 1*N optical switch 12 to be measured is arranged in high/low temperature circulating box 14.
For the test of 1550/1310nm wavelength Dual-window, see Fig. 2, testing process is as follows:
1550nm with 1310nm testing light source is connected as the input of system source with a 1*N optical switch 2; And the output of the 2nd 1*N optical switch 5 is switched to the first output; Determine whether to carry out the calibration of power, and select need the power meter module of calibration and need the wavelength of calibration;
When judging to need calibration 1550nm wavelength, the output of a 1*N optical switch 2 is switched to the first output; Then the expanding channels calibrated will be needed in the first output of the 2nd 1*N optical switch 5 and N channel power meter test module 6, select to detect wavelength accordingly, and recorded the power of the Pin pipe of i-th passage in the 2nd Pin pipe 10, a Pin pipe 4, N channel power meter test module 6 by Programmable Logic Controller 8.
When judging to need calibration 1310nm wavelength, the output of a 1*N optical switch 2 is switched to the second output; Then the expanding channels calibrated will be needed in the first output of the 2nd 1*N optical switch 5 and N channel power meter test module 6, select to detect wavelength accordingly, and recorded the power of the Pin pipe of i-th passage in a Pin pipe 4, N channel power meter test module 6 by Programmable Logic Controller 8.
Then, need to judge whether to carry out return loss calibration, and select the power meter module needing calibration.
If need to carry out return loss calibration, the output of the 2nd 1*N optical switch 5 is switched to the second output; Again standard return loss test wire jumper is linked into the N channel power meter test module 6 carrying out return loss calibration; Then wire jumper winding mold is tested in return loss, the luminous power of the Pin pipe of i-th passage in record N channel power meter test module 6, and the return loss of detection calibration standard return loss test wire jumper, the luminous power of the Pin pipe of i-th passage in record N channel power meter test module 6.
Then, select test channel and test wavelength, the output of the 2nd 1*N optical switch 5 is switched to the first output, starts to test.
Carry out the power test of 1550 wavelength, the output of a 1*N optical switch 2 is needed to switch to the first output, the luminous power of a Pin pipe 4 is recorded by Programmable Logic Controller 8, the power maximum of the Pin pipe of i-th passage in N channel power meter test module 6, in N channel power meter test module 6, the power minimum of the Pin pipe of i-th passage, obtains insertion loss and isolation by formulae discovery.
Carry out the power test of 1310 wavelength, the output of a 1*N optical switch 2 is needed to switch to the second output, the luminous power of a Pin pipe 4 is recorded by Programmable Logic Controller 8, the power maximum of the Pin pipe of i-th passage in N channel power meter test module 6, in N channel power meter test module 6, the power minimum of the Pin pipe of i-th passage, obtains insertion loss and isolation by formulae discovery.
Carry out the return loss test of 1550 wavelength, the output of a 1*N optical switch 2 is needed to switch to the first output, the input connector of 1*N optical switch 12 to be measured is exported wire jumper from light source and extracts and winding mold, and switch the 1-N input of the 3rd 1*N optical switch 7 successively, and recorded the luminous power of each passage by Programmable Logic Controller 8, then obtain return loss by formulae discovery.
Carry out the return loss test of 1310 wavelength, the output of a 1*N optical switch 2 is needed to switch to the second output, the input connector of 1*N optical switch 12 to be measured is exported wire jumper from light source and extracts and winding mold, and switch the 1-N input of the 3rd 1*N optical switch 7 successively, and recorded the luminous power of each passage by Programmable Logic Controller 8, then obtain return loss by formulae discovery.
In addition, the test macro that the embodiment of the present invention provides also has the function of poll, by a poll 1-N test channel, and the handoff delay of different passage can be read under oscillographic cooperation, the state of the monitoring pin of 1*N optical switch 12 to be measured can also be monitored simultaneously.In addition, under the cooperation of counter, move 1*N optical switch 12 to be measured by pulsed drive always, can be tested the life-span of 1*N optical switch 12 to be measured by a poll 1-N passage.If 1*N optical switch 12 to be measured is placed in high/low temperature circulating box 14, the test of the temperature correlation loss (TDL) to optical switch can be completed.If 1*N optical switch 12 to be measured is placed in other experimental boxs, the test of other indexs can also be carried out.In addition, in the present embodiment, because an output termination Pin pipe of the coupler of 50:50 is as light intensity policing port, when the loss value of this port is higher than predetermined threshold value, just can this link light path of discriminating test system occur abnormal, therefore, the test macro that the embodiment of the present invention provides also has the function of light intensity monitoring, is thus convenient to monitoring and the maintenance of equipment.
It should be noted that, because the 3rd 1*N optical switch 7 has redundancy in link luminous power, thus when meeting power meter investigative range and requiring, 1xN splitter can be replaced by.
Also it should be noted that, the basis of the embodiment of the present invention by using the equipment such as spectrometer, Polarization Control instrument or oscilloscope, can complete the test to indexs such as Wavelength Dependent Loss (WDL), Polarization Dependent Loss (PDL) or switching waveforms.Particularly, as N channel power meter test module 6 is changed to spectrometer, the spectrum of 1*N optical switch 12 to be measured can just be scanned, test wavelength dependent loss (WDL).If add Polarization Control instrument in light source group 1 front end, just can while the Insertion Loss measuring 1*N optical switch 12 to be measured, tests polarization dependent loss (PDL).If at the drived control place of 1*N optical switch 12 to be measured access oscilloscope, the switching waveform of 1*N optical switch 12 to be measured just can be tested.
The poll test macro of the 1xN multichannel optical switch that the embodiment of the present invention provides, the light signal of different wave length is exported by light source group 1, and by controlling the selection of a 1*N optical switch 2, the 2nd 1*N optical switch 5 and the 3rd 1*N optical switch 7, export the light of required wavelength; The power of light is detected again by a Pin pipe 4 and N channel power meter test module 6; Output test result finally by Programmable Logic Controller 8.When the index needing test when photometry switch is at the light signal by other wavelength, the light of required wavelength only need be exported by light source group 1, a 1*N optical switch 2, the 2nd 1*N optical switch 5 and the 3rd 1*N optical switch 7 is regulated to select input and output again, thus achieve the core index of optical switch is tested, and easy and simple to handle and save time.In embodiments of the present invention, by the use to FC/APC plagiocephaly adapter, reduce the interference of the return light in light path, thus improve measuring accuracy.Due to the embodiment of the present invention can with other equipment with the use of, to complete the test to other indexs of optical switch, thus the embodiment of the present invention also has extensibility, substantially increases the practicality of the embodiment of the present invention.In addition, for the performance index of the optical device of other 1xN classes, the embodiment of the present invention also can be used to test, and thus the embodiment of the present invention also has very strong applicability.In addition, because the equipment used in the embodiment of the present invention is infrastructure device, as 1*N optical switch, 1*N coupler, Pin pipe etc., avoid the use of the High Value Units such as return loss instrument, thus the embodiment of the present invention also has the low feature of cost.
It should be noted last that, above embodiment is only in order to illustrate technical scheme of the present invention and unrestricted, although with reference to example to invention has been detailed description, those of ordinary skill in the art is to be understood that, can modify to technical scheme of the present invention or equivalent replacement, and not departing from the spirit and scope of technical solution of the present invention, it all should be encompassed in the middle of right of the present invention.
Claims (10)
1. the poll test macro of a 1xN multichannel optical switch, it is characterized in that, comprising: light source group, a 1*N optical switch, a 1*N coupler, a Pin pipe, the 2nd 1*N optical switch, N channel power meter test module, the 3rd 1*N optical switch and Programmable Logic Controller; The output of described light source group is connected with the input of a described 1*N optical switch, and the output of a described 1*N optical switch is connected with the input of a described 1*N coupler; First output of a described 1*N coupler is connected with the input of a described Pin pipe, and the output of a described Pin pipe is connected with the input of described Programmable Logic Controller; Second output of a described 1*N coupler is connected with the input of described 2nd 1*N optical switch; First output of described 2nd 1*N optical switch is connected with the input of 1*N optical switch to be measured, and the second output of described 2nd 1*N optical switch is connected with the first input end of described 3rd 1*N optical switch; The N channel output of described 1*N optical switch to be measured is connected with the input of described N channel power meter test module separately respectively, and the output of described N channel power meter test module is connected with the second input of described 3rd 1*N optical switch; The output of described 3rd 1*N optical switch is connected with the input of described Programmable Logic Controller.
2. the poll test macro of 1xN multichannel optical switch as claimed in claim 1, it is characterized in that, described N channel power meter test module comprises: N number of 1*N coupler and N number of Pin manage; The N channel output of described 1*N optical switch to be measured is connected with the input of described N number of 1*N coupler separately respectively; First output of described N number of 1*N coupler connects one to one with the input of described N number of Pin pipe separately respectively, and the output of described N number of Pin pipe is connected with the input of described Programmable Logic Controller; Second output of described N number of 1*N coupler is connected with the second input of described 3rd 1*N optical switch.
3. the poll test macro of 1xN multichannel optical switch as claimed in claim 2, it is characterized in that, described Programmable Logic Controller comprises:
First computing module, for passing through formula IL=(P
-i-x-max+ P
-i-x-min)/2-P
r-i-x-(P
0-i-x-P
r0-i-x) calculate insertion loss IL; Wherein, P
-i-x-maxfor the maximum luminous power that the Pin pipe of i-th passage in described N channel power meter test module detects; P
-i-x-minfor the minimum optical power that the Pin pipe of i-th passage in described N channel power meter test module detects; P
r-i-xfor the luminous power that the Pin pipe of i-th passage in described N channel power meter test module detects when insertion loss is calibrated; P
r0-i-xfor the luminous power that a described Pin pipe detects when insertion loss is calibrated; P
0-i-xfor the luminous power that a described Pin pipe detects when insertion loss is tested.
4. the poll test macro of 1xN multichannel optical switch as claimed in claim 2, it is characterized in that, described Programmable Logic Controller comprises:
Second computing module, for passing through formula IL=(P
-i-x-max+ P
-i-x-min)/2-P
r-i-x-(P
0-i-x-P
r0-i-x) calculate isolation; Wherein, P
-i-x-maxfor the maximum luminous power that the Pin pipe of i-th passage in described N channel power meter test module detects; P
-i-x-minfor the minimum optical power that the Pin pipe of i-th passage in described N channel power meter test module detects; P
r-i-xfor the luminous power that the Pin pipe of i-th passage in described N channel power meter test module detects when insertion loss is calibrated; P
r0-i-xfor the luminous power that a described Pin pipe detects when insertion loss is calibrated; P
0-i-xfor the luminous power that a described Pin pipe detects when insertion loss is tested.
5. the poll test macro of 1xN multichannel optical switch as claimed in claim 2, it is characterized in that, described Programmable Logic Controller comprises:
3rd computing module, for passing through formula RL=-10log ((P
rl-i-P
rl-i-zero)/(P
rl-i-ref-P
rl-i-zero))+14.7 calculate return loss RL; Wherein, P
rl-ifor the luminous power that the Pin pipe of i-th passage in described N channel power meter test module detects; P
rl-i-zerofor the luminous power that the Pin pipe of i-th passage in described N channel power meter test module detects when return loss test winding mold makes zero; P
rl-i-reffor the luminous power that the Pin pipe of i-th passage in described N channel power meter test module detects when the return loss of calibration criterion return loss test wire jumper.
6. the poll test macro of 1xN multichannel optical switch as claimed in claim 2, is characterized in that, also comprise: a FC/APC adapter packs; The N channel output of described 1*N optical switch to be measured connects one to one with the input of each adapter in a described FC/APC adapter packs separately respectively, and in a described FC/APC adapter packs, the output of each adapter connects one to one with the input of described N number of 1*N coupler separately respectively.
7. the poll test macro of the 1xN multichannel optical switch as described in claim 2 or 6, is characterized in that, also comprise: the 2nd FC/APC adapter packs; Second output of described N number of 1*N coupler connects one to one with the input of each adapter in described 2nd FC/APC adapter packs separately respectively, and in described 2nd FC/APC adapter packs, the output of each adapter is connected with the second input of described 3rd 1*N optical switch.
8. the poll test macro of 1xN multichannel optical switch as claimed in claim 1, is characterized in that, also comprise: high/low temperature circulating box; Described 1*N optical switch to be measured is arranged in described high/low temperature circulating box.
9. the poll test macro of 1xN multichannel optical switch as claimed in claim 1, is characterized in that, also comprise: the 2nd 1*N coupler and the 2nd Pin manage; First output of described 2nd 1*N optical switch is connected with the input of described 2nd 1*N coupler, first output of described 2nd 1*N coupler is connected with the input of described 2nd Pin pipe, and the output of described 2nd Pin pipe is connected with the input of described Programmable Logic Controller; Second output of described 2nd 1*N coupler is connected with the input of described 1*N optical switch to be measured.
10. the poll test macro of 1xN multichannel optical switch as claimed in claim 9, is characterized in that, also comprise: connect FC/APC adapter and be connected FC/UPC adapter; Second output of described 2nd 1*N coupler connects with the described input being connected FC/APC adapter, and the output of described connection FC/APC adapter is connected with the input of described 1*N optical switch to be measured; Second output of described 2nd 1*N optical switch connects with the described input being connected FC/UPC adapter, and the output of described connection FC/UPC adapter is connected with the first input end of described 3rd 1*N optical switch.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510007828.4A CN104506233A (en) | 2015-01-08 | 2015-01-08 | 1*N multi-channel optical switch polling test system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510007828.4A CN104506233A (en) | 2015-01-08 | 2015-01-08 | 1*N multi-channel optical switch polling test system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104506233A true CN104506233A (en) | 2015-04-08 |
Family
ID=52947956
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510007828.4A Pending CN104506233A (en) | 2015-01-08 | 2015-01-08 | 1*N multi-channel optical switch polling test system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104506233A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105929279A (en) * | 2016-05-16 | 2016-09-07 | 中国电子科技集团公司第四十研究所 | Multichannel microwave receiving assembly inter-channel isolation index testing device and method |
| CN109347548A (en) * | 2017-11-13 | 2019-02-15 | 中国航空工业集团公司西安航空计算技术研究所 | A kind of optical path integration testing platform and the optical channel integration test method based on platform realization |
| CN111092652A (en) * | 2019-11-27 | 2020-05-01 | 上海传输线研究所（中国电子科技集团公司第二十三研究所） | Performance detection system and test method of optical device |
| US11843391B2 (en) | 2019-03-21 | 2023-12-12 | Huawei Technologies Co., Ltd. | Temperature feedback control apparatus, method, and system |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20010046345A1 (en) * | 2000-02-01 | 2001-11-29 | Snyder James J. | Single channel M x N optical fiber switch |
| CN102201864A (en) * | 2011-07-08 | 2011-09-28 | 武汉光迅科技股份有限公司 | Loss testing apparatus for multi-channel optical device |
| CN103630331A (en) * | 2012-08-27 | 2014-03-12 | 上海光之虹光电通讯设备有限公司 | Multichannel optical fiber insertion and return loss tester and test calibration method |
-
2015
- 2015-01-08 CN CN201510007828.4A patent/CN104506233A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20010046345A1 (en) * | 2000-02-01 | 2001-11-29 | Snyder James J. | Single channel M x N optical fiber switch |
| CN102201864A (en) * | 2011-07-08 | 2011-09-28 | 武汉光迅科技股份有限公司 | Loss testing apparatus for multi-channel optical device |
| CN103630331A (en) * | 2012-08-27 | 2014-03-12 | 上海光之虹光电通讯设备有限公司 | Multichannel optical fiber insertion and return loss tester and test calibration method |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105929279A (en) * | 2016-05-16 | 2016-09-07 | 中国电子科技集团公司第四十研究所 | Multichannel microwave receiving assembly inter-channel isolation index testing device and method |
| CN105929279B (en) * | 2016-05-16 | 2018-08-24 | 中国电子科技集团公司第四十一研究所 | Index testing device and method are isolated between a kind of Multi-channel microwave receiving unit road |
| CN109347548A (en) * | 2017-11-13 | 2019-02-15 | 中国航空工业集团公司西安航空计算技术研究所 | A kind of optical path integration testing platform and the optical channel integration test method based on platform realization |
| CN109347548B (en) * | 2017-11-13 | 2022-09-02 | 中国航空工业集团公司西安航空计算技术研究所 | Optical path integration test platform |
| US11843391B2 (en) | 2019-03-21 | 2023-12-12 | Huawei Technologies Co., Ltd. | Temperature feedback control apparatus, method, and system |
| CN111092652A (en) * | 2019-11-27 | 2020-05-01 | 上海传输线研究所（中国电子科技集团公司第二十三研究所） | Performance detection system and test method of optical device |
| CN111092652B (en) * | 2019-11-27 | 2022-07-15 | 上海传输线研究所（中国电子科技集团公司第二十三研究所） | Performance detection system and test method of optical device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102201864B (en) | Loss testing apparatus for multi-channel optical device | |
| KR101657329B1 (en) | Method and apparatus for fault discovery in a passive optical network(pon) | |
| CN105049113A (en) | Active optical module multi-channel automatic test system and method | |
| CN103647600B (en) | A kind of multi-channel intelligent optical testing device | |
| CN103630331B (en) | Multichannel optical fiber insertion return loss tester and detection calibration method | |
| CN204089820U (en) | optical module performance parameter testing device | |
| CN102192830B (en) | PLC (Programmable Logic Controller) type optical splitter testing method | |
| CN204906396U (en) | Electric power system optical fiber line state on -line measuring equipment | |
| CN104506233A (en) | 1*N multi-channel optical switch polling test system | |
| JP2006211639A (en) | Device and method of optical fiber condition monitoring in optical networks | |
| CN105099546A (en) | Method for quickly testing insertion loss of duplex optical fiber patch cord and judging polarity of the same | |
| CN103916180A (en) | Full-automatic optical fiber insertion loss and return loss test instrument and method | |
| CN109039445B (en) | Multi-channel optical modem debugging and testing system and debugging and testing method thereof | |
| CN113381805B (en) | TOSA bandwidth rapid measurement device and method based on vector network analyzer | |
| CN103297125B (en) | Automatic test system for optical fiber splitter | |
| JP2008294528A (en) | Device and method for monitoring and measuring optical fiber fault on passive optical network | |
| CN104253644A (en) | PON (passive optical network) monitoring system based on wavelength scanning narrow line width OTDR (optical time domain reflectometry), and PON monitoring method based on wavelength scanning narrow line width OTDR | |
| CN104485990A (en) | Multi-path fiber core test device and method | |
| CN203340083U (en) | Automatic test system of optical fiber splitter | |
| CN216290915U (en) | Optical passive device insertion loss detection system | |
| CN202565272U (en) | Property test system of optical splitter | |
| CN203883836U (en) | Full-automatic optical insertion loss and return loss tester | |
| CN104363044B (en) | A kind of calibration of optical line protection equipment and test system | |
| CN208508947U (en) | LAN_WDM optical device detection device | |
| CN114726435A (en) | Passive optical device test system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| AD01 | Patent right deemed abandoned |
Effective date of abandoning: 20180309 |
|
| AD01 | Patent right deemed abandoned |