CN203645675U - Multipath optical switch for testing performance of light transmitting and receiving integrated module - Google Patents
Multipath optical switch for testing performance of light transmitting and receiving integrated module Download PDFInfo
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- CN203645675U CN203645675U CN201420001638.2U CN201420001638U CN203645675U CN 203645675 U CN203645675 U CN 203645675U CN 201420001638 U CN201420001638 U CN 201420001638U CN 203645675 U CN203645675 U CN 203645675U
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- 230000003287 optical effect Effects 0.000 title claims abstract description 165
- 238000012360 testing method Methods 0.000 title claims abstract description 24
- 239000013307 optical fiber Substances 0.000 claims description 19
- 238000011056 performance test Methods 0.000 claims description 10
- 239000000835 fiber Substances 0.000 abstract description 5
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 238000004891 communication Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 230000005540 biological transmission Effects 0.000 description 3
- 230000003321 amplification Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000008358 core component Substances 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000004927 fusion Effects 0.000 description 1
- 238000003306 harvesting Methods 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 238000003199 nucleic acid amplification method Methods 0.000 description 1
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- 238000007493 shaping process Methods 0.000 description 1
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Abstract
The utility model provides a multipath optical switch for testing the performance of a light transmitting and receiving integrated module. The emitter connecting end of the light transmitting and receiving integrated module is connected with the input end of a first optical switch module, and the output end of the light transmitting and receiving integrated module is connected with the input end of a first optical divider and a first fiber interface; and the output end of the first optical divider is connected to the input end of a second optical divider and an oscilloscope interface; and the output end of a low light splitting rate of the second optical divider is connected to a wavemeter interface, the output end of a high light splitting rate of the second optical divider is connected to one output end of a second optical switch, the other output end of the second optical switch is connected with a second fiber interface, the input end of the second optical switch is connected with an input port of an attenuator, an output port of the attenuator is connected to the input end of a third optical divider, the output end of a low light splitting rate of the third optical divider is connected with an optical-power-meter interface, and the output end of a high light splitting rate is connected to the receiver connecting end. The multipath optical switch is simple in structure, convenient and flexible to operate, low in cost, and stable and reliable in long-time production.
Description
Technical field
The utility model relates to optical communications module test macro field, especially integrated module of optical transceiver performance test Multichannel photoswitch.
Background technology
Along with communication service develops rapidly with the region of communicating by letter, and the integration of three networks, the development trend of FTTX etc.The integrated module of optical transceiver (XFP, SFP, SFP+, SFF ...) be indispensable core component in Optical Access Network.The integrated module of optical transceiver (abbreviation optical module) is to realize photoelectricity, electric light conversion, has the photonics of independent transmission driving and reception amplifying circuit.Light harvesting reflector, the small-sized charged product that plugs of optical receiver and drive circuit board one.The inner receiver of optical module receives light signal in actual applications, become the signal of telecommunication by photodiode converts, the signal of telecommunication is by shaping, amplification, signal recovers and the control of internal circuit board sends transmitter portion to, transmitter receipt, to the modulation of the signal of telecommunication, reverts to light signal and launches.Simply say, optical module has played the effect of optical repeater in optical fiber long haul communication.Therefore the test of module becomes important link in whole module production, and can the test that carry out complete and accurate directly determine quality and the cost of product.Content measurement is more, comprises the test of receiver, the test of reflector, and the test of circuit board, and therefore measuring fiber access point is more, and testing efficiency is lower conventionally, and in optical communication, conventional Multichannel photoswitch is all more expensive.
Summary of the invention
The purpose of this utility model is to provide a kind of simple in structure, flexible, performance accurately and reliably, economical and practical integrated module of optical transceiver performance test Multichannel photoswitch.
The utility model solves the technical scheme that prior art problem adopts: integrated module of optical transceiver performance test Multichannel photoswitch, comprises reflector link, receiver link and the test interface port for connecting test equipment of the integrated module of optical transceiver, described test interface port comprises light power meter interface, oscillometer interface, wavemeter interface, the first optical fiber interface, the second optical fiber interface, the input end interface of attenuator and output interface thereof, also comprise optical branching device and 1 × 2 optical switch module, described optical branching device comprises the first optical branching device, the second optical branching device and the 3rd optical branching device, described optical switch module comprises the first optical switch module and the second optical switch module, the reflector link of the integrated module of optical transceiver is connected with the input of described the first optical switch module, and the output of described the first optical switch module accesses respectively input and first optical fiber interface of the first optical branching device, the output of described the first optical branching device accesses respectively input and the oscilloscope interface of the second optical branching device, the low light splitting rate output access wavemeter interface of the second optical branching device, the high light splitting rate output of described the second optical splitter accesses an output of described the second optical switch, another output of described the second optical switch is connected with the second optical fiber interface, the input of described the second optical switch is connected with the input port of described attenuator, the input of output port access the 3rd optical branching device of described attenuator, the low light splitting rate output access light power meter interface of the 3rd optical branching device, the high light splitting rate output access integrated module of optical transceiver receiver link of the 3rd optical splitter.
Described optical branching device is plc optical branching device, and the splitting ratio of the output of described the first optical branching device is 50:50; The splitting ratio of the output of the second optical branching device is 80:20, and the splitting ratio of the 3rd optical branching device is 90:10.
Described the first optical switch and the second optical switch are passed through the selection of the low and high level output of trigger triggering level control the first optical switch and the second optical switch by high level trigger button and low level trigger button.
The beneficial effects of the utility model are: the utility model is simple in structure, flexible and convenient operation, it mainly utilizes two 1 × 2 optical switch modules to carry out optical fiber fusion by the optical branching device of selecting certain splitting ratio, be integrated into the object that reaches multichannel output in an equipment, thereby complete the testing requirement of optical module.For handled easily, the utility model utilization triggering low and high level is controlled the channel selecting of 1 × 2 optical switch module, and the utility model cost is low, easy to operate, reliable and stable at long-term production performance.
Accompanying drawing explanation
Fig. 1 is internal structure schematic diagram of the present utility model;
Fig. 2 is external interface schematic diagram of the present utility model.
In figure, the reflector link of the 1-integrated module of optical transceiver, the receiver link of the 2-integrated module of optical transceiver, 3-light power meter interface, 4-oscilloscope interface, 5-wavemeter interface, 6-the first optical fiber interface, 7-the second optical fiber interface, the input end interface of 8-attenuator, the output interface of 9-attenuator, 10-the first optical branching device, 11-the second optical branching device, 12-the 3rd optical branching device, 13-the first optical switch module, 14-the second optical switch module, 15-high level trigger button, 16-low level trigger button.
Embodiment
Below in conjunction with accompanying drawing, the utility model is described:
Fig. 1 is the internal structure schematic diagram of the utility model integrated module of optical transceiver performance test Multichannel photoswitch.Integrated module of optical transceiver performance test Multichannel photoswitch, reflector link 1, receiver link 2 and the test interface port for connecting test equipment of the integrated module of optical transceiver, test interface port comprises light power meter interface 3, oscilloscope interface 4, wavemeter interface 5, the first optical fiber interface 6, the second optical fiber interface 7, the input end interface 8 of attenuator and output interface 9 thereof, also comprise that wavelength is plc optical branching device and 1 × 2 optical switch module of 1260nm-1650nm, wherein, plc optical branching device comprises the first optical branching device 10 that the splitting ratio of output is 50:50, the splitting ratio of output is that the second optical branching device 11 and the output splitting ratio of 80:20 is 90:10 the 3rd optical branching device 12, optical switch comprises the first optical switch module 13 and the second optical switch module 14, the reflector link 1 of the integrated module of optical transceiver is connected with the input of described the first optical switch module 13, the high level output end a of the first optical switch module 13 accesses the input of the first optical branching device 10, and the low level output end b of the first optical switch module 13 accesses the first optical fiber interface 6, the output of the first optical branching device 10 accesses respectively input and the oscilloscope interface 4 of the second optical branching device 11, low light splitting rate output (20% light output end) the access wavemeter interface of the second optical branching device 11, the high light splitting rate output (80% light output end) of the second optical splitter 11 accesses the high level output end c of described the second optical switch module 14, the low level output end of the second optical switch module 14 is connected with the second optical fiber interface 7, second input of optical switch module 14 and the input port of attenuator 8 are connected, the output port 9 of attenuator accesses the input of the 3rd optical branching device 12, low light splitting rate output (10% light output end) the access light power meter interface 3 of the 3rd optical branching device 12, high light splitting rate output (90% light output end) the access integrated module of optical transceiver receiver link 2 of the 3rd optical splitter 12.
Fig. 2 is that the performance test of the utility model integrated module of optical transceiver uses the external interface schematic diagram of Multichannel photoswitch for handled easily, outside of the present utility model is provided with high level trigger button 15 and low level trigger button 16, and high level trigger button 15 and low level trigger button 16 trigger mode control first optical switch module 13 of low and high level by trigger and the output of the second optical switch module 14 is selected.While pressing high level button, trigger high level, now the first optical switch is selected high level output end a, and the second optical switch is selected high level output end c; While pressing low level button, trigger low level, now the first optical switch is selected low level output end b, and the second optical switch is selected low level output end d.In actual assembled, the first optical switch is together with the second optical switch parallel connection, at the outside of the first optical switch access+5V power supply, (not incoming fiber optic) and the transmission test access test of (incoming fiber optic) afterwards before being selected to transmit by triggering level by high level trigger button and low level trigger button.Circuit connecting is simple, and has reached the object of multichannel output.
Operation principle of the present utility model is as follows: transmitter portion (the being labeled as TX herein) light sending of the integrated module of optical transceiver accesses the input of the first optical switch module.Make it be switched to output a by outside high level trigger button, the input of the first optical branching device that optic path is 50:50 to splitting ratio like this, access oscilloscope in order to test eye pattern by one of them output of the first optical branching device again, the input of the second optical branching device that another output access splitting ratio of the first optical branching device is 80:20, its light output end of 20% access wavemeter is for test light wavelength, 80% light path output is received the output of the second optical switch module, the input end interface of the input termination attenuator of the second optical switch; Light is by the light after the output output attenuatoin of attenuator, take back light path by the output interface of attenuator again, light path enters the 3rd optical branching device that splitting ratio is 90:10, realizes the sensitivity of monitoring receiver (being labeled as RX herein) thereby 10% light output end enters light power meter interface by light power meter; 90% light output end is transported to the receiver interface end (being labeled as RX) of the integrated module of optical transceiver, has completed like this test of the loop error rate.
Then by low level trigger button, the first optical switch is switched to output b, makes light reach outside the first optical fiber interface; Accessed the output d of the second optical switch by the second optical fiber interface through the transmission of optical fiber; Light path is forwarded to the input interface of attenuator again by the input of the second optical switch by the d of the second optical switch, get back to so again in loop.The path that has formed whole optical switch is selected, and has reached the object of multichannel output.
In addition, the application of the second optical switch is herein an ingenious part, by the access that is inverted of the second optical switch, easier its function that realized flexibly.
Above content is in conjunction with concrete optimal technical scheme further detailed description of the utility model, can not assert that concrete enforcement of the present utility model is confined to these explanations.For the utility model person of an ordinary skill in the technical field, without departing from the concept of the premise utility, can also make some simple deduction or replace, all should be considered as belonging to protection range of the present utility model.
Claims (3)
1. integrated module of optical transceiver performance test Multichannel photoswitch, comprises reflector link, receiver link and the test interface port for connecting test equipment of the integrated module of optical transceiver, described test interface port comprises light power meter interface, oscillometer interface, wavemeter interface, the first optical fiber interface, the second optical fiber interface, the input end interface of attenuator and output interface thereof, it is characterized in that, also comprise optical branching device and 1 × 2 optical switch module, described optical branching device comprises the first optical branching device, the second optical branching device and the 3rd optical branching device, and described optical switch module comprises the first optical switch module and the second optical switch module, the reflector link of the integrated module of optical transceiver is connected with the input of described the first optical switch module, and the output of described the first optical switch module accesses respectively input and first optical fiber interface of the first optical branching device, the output of described the first optical branching device accesses respectively input and the oscilloscope interface of the second optical branching device, the low light splitting rate output access wavemeter interface of the second optical branching device, the high light splitting rate output of described the second optical splitter accesses an output of described the second optical switch, another output of described the second optical switch is connected with the second optical fiber interface, the input of described the second optical switch is connected with the input port of described attenuator, the input of output port access the 3rd optical branching device of described attenuator, the low light splitting rate output access light power meter interface of the 3rd optical branching device, the high light splitting rate output access integrated module of optical transceiver receiver link of the 3rd optical splitter.
2. integrated module of optical transceiver performance test Multichannel photoswitch according to claim 1, is characterized in that, described optical branching device is plc optical branching device, and the splitting ratio of the output of described the first optical branching device is 50:50; The splitting ratio of the output of the second optical branching device is 80:20, and the splitting ratio of the 3rd optical branching device is 90:10.
3. integrated module of optical transceiver performance test Multichannel photoswitch according to claim 1, it is characterized in that, described the first optical switch and the second optical switch be in parallel and by high level trigger button and low level trigger button by the selection of the low and high level output of trigger triggering level control the first optical switch and the second optical switch.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420001638.2U CN203645675U (en) | 2014-01-02 | 2014-01-02 | Multipath optical switch for testing performance of light transmitting and receiving integrated module |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420001638.2U CN203645675U (en) | 2014-01-02 | 2014-01-02 | Multipath optical switch for testing performance of light transmitting and receiving integrated module |
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| CN203645675U true CN203645675U (en) | 2014-06-11 |
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| CN201420001638.2U Expired - Lifetime CN203645675U (en) | 2014-01-02 | 2014-01-02 | Multipath optical switch for testing performance of light transmitting and receiving integrated module |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111772223A (en) * | 2020-07-14 | 2020-10-16 | 河北白沙烟草有限责任公司 | Simulation test run method of tobacco quantitative feeding machine |
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2014
- 2014-01-02 CN CN201420001638.2U patent/CN203645675U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111772223A (en) * | 2020-07-14 | 2020-10-16 | 河北白沙烟草有限责任公司 | Simulation test run method of tobacco quantitative feeding machine |
| CN111772223B (en) * | 2020-07-14 | 2022-03-11 | 河北白沙烟草有限责任公司 | Simulation test run method of tobacco quantitative feeding machine |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140611 |
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| CX01 | Expiry of patent term |