CN208353344U - A kind of polarity detection system of optical transceiver module - Google Patents
A kind of polarity detection system of optical transceiver module Download PDFInfo
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- CN208353344U CN208353344U CN201821128933.9U CN201821128933U CN208353344U CN 208353344 U CN208353344 U CN 208353344U CN 201821128933 U CN201821128933 U CN 201821128933U CN 208353344 U CN208353344 U CN 208353344U
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- transceiver module
- optical transceiver
- optical
- ophthalmograp
- detection system
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Abstract
The utility model provides a kind of polarity detection system of optical transceiver module, comprising: the first, second power supply；One Error Detector；One ophthalmograp；One test board and the optical transceiver module to be tested being mounted on the board.Wherein the voltage of the first power supply to Error Detector and ophthalmograp power supply offer is 220V, it is 3.3V that the power interface of second source connecting test plate, which provides voltage, the Error Detector pattern output port DATA+ is connected to the electric signal interface of ophthalmograp, the port DATA- of Error Detector is connected to the reversed emission port TX- of test board, and the optical signal of the output of optical transceiver module is connected to the optical signal interface of ophthalmograp.And the receiving polarity detection system of optical transceiver module is only to increase by a 1X2 optical splitter on the basis of polarity of transmission detection system.By judge the input of optical transceiver module golden finger front end electric signal and the optical signal polarity that export of light emission component whether unanimously and the optical signal that receives of light-receiving component and output it is whether consistent to the electric signal polarity of golden finger, it is accurately, easy.
Description
Technical field
The utility model relates to a kind of test macro of optical transceiver module and method more particularly to a kind of optical transceiver modules
Polarity detection system.
Background technique
Optical transceiver module is important devices in optical fiber telecommunications system, current most of optical modules transmission data using
NRZ (non-return-to-zero) coding, two binary digits (0,1) is indicated with different voltage levels, digital signal is by a series of squares
Shape pulse composition.When work, inside modules transmitting terminal drives via LDD (laser driver), output series of amplitude variation
Optical signal, receiving end sense after optical signal through photoelectric conversion, amplification, the electric signal of final output amplitude variation.Judge light
Correctly whether foundation is the polarity of transmission of transceiver module: the electric signal and light emission component TOSA of module golden finger front end input
Whether the optical signal polarity of output is consistent.Similarly, judging the whether correct foundation of the receiving polarity of optical transceiver module is then: light connects
It is whether consistent with the electric signal polarity of output to golden finger to receive the optical signal that component ROSA is received.Currently judge optical transceiver module
Transmitting, correctly whether a kind of more universal mode is receiving polarity: optical module to be measured and standard are closed into the progress of scale block
To biography, if the two energy normal communication, then it represents that polar configurations are correct.But such method is limited to different Error Detectors to letter
It is number polar that difference and standard is required to close the factors such as the polarity uncertainty of scale block, the side of these conventional polarity judgements
Method inaccuracy, be easy to cause fault.
Utility model content
For disadvantages mentioned above, the utility model provides a kind of polarity detection system of simple accurately optical transceiver module.
To reach the above purpose of utility model, the utility model provides a kind of polarity of transmission detection system of optical transceiver module
System a, comprising: Error Detector；One ophthalmograp；One test board and the optical transceiver module to be tested being mounted on the board, Error Detector code
The type output port DATA+ is connected to the electric signal interface of ophthalmograp, and the port DATA- of Error Detector is connected to the reversed of test board
The optical signal of emission port TX-, the output of optical transceiver module are connected to the optical signal interface of ophthalmograp.
A kind of receiving polarity detection system of optical transceiver module is provided, further includes a 1X2 optical splitter, the light receives and dispatches mould
The optical signal of the emission port output of block is after the light splitting of 1X2 optical splitter, and optical signal returns to the reception of optical transceiver module all the way
Port, another way optical signal are input to the optical signal interface of ophthalmograp.
It further include the first power supply and second source, first power supply is to the voltage that Error Detector and ophthalmograp power supply provide
220V, it is 3.3V that the power interface of second source connecting test plate, which provides voltage,.
Due to the utility model use above-mentioned optical transceiver module polarity detection system, only by judge light transmitting-receiving mould
Whether consistent and light-receiving component connects the optical signal polarity that the electric signal of block golden finger front end input is exported with light emission component
Whether the optical signal received is consistent with the electric signal polarity of output to golden finger, accurately, easy.
Detailed description of the invention
Fig. 1 shows the polarity of transmission detection system schematic diagrams of the utility model optical transceiver module；
Fig. 2 indicates that the receipts of the utility model optical transceiver module connect polarity detection system schematic diagram；
Fig. 3 indicates the test result figure when polar configurations of the utility model optical transceiver module are correct；
Test result figure when the polar configurations of Fig. 4 the utility model optical transceiver module are incorrect.
Specific embodiment
The best embodiment of the utility model is described in detail with reference to the accompanying drawing.
The polarity of transmission detection system of optical transceiver module as shown in Figure 1, comprising: the first, second power supply 1,2；One error code
Instrument 3；One ophthalmograp 4；One test board 5 and the optical transceiver module 6 to be tested that is mounted on the board.Wherein the first power supply 1 is to accidentally
The voltage that code instrument 3 and the power supply of ophthalmograp 4 provide is 220V, and the power interface of 2 connecting test plate 5 of second source provides voltage and is
3.3V, 3 pattern of the Error Detector output port DATA+ are connected to the electric signal interface of ophthalmograp 4, and the port DATA- of Error Detector 3 connects
It is connected to the reversed emission port TX- of test board 5, the optical signal of the TOSA output of optical transceiver module 6 is connected to the light letter of ophthalmograp 4
Number interface.Wherein, Error Detector 3, for providing binary square pulse pattern to optical transceiver module, the pattern is through optical transceiver module
LDD (laser driver) driving TOSA after export corresponding optical signal.Ophthalmograp 4 has oscillograph function, can examine simultaneously
Test the waveform of yellow optical signal and green electric signal.Test board 5 to tested optical module power supply, and requires on test board
The interfaces such as RX-, RX+, TX-, TX+ will be with the reception inverse output terminal of optical transceiver module golden finger, the positive output end of reception, transmitting
The signals such as reverse input end, transmitting positive input are corresponding in turn to connection.
The receiving polarity detection system of optical transceiver module as shown in Figure 2, comprising: the first, second power supply 1,2；One error code
Instrument 3；One ophthalmograp 4；One test board 5 and the optical transceiver module 6 to be tested that is mounted on the board；It further include a 1X2 optical branching
Device 7.Wherein the voltage of the first power supply 1 to Error Detector 3 and the power supply offer of ophthalmograp 4 is 220V, 2 connecting test plate 5 of second source
Power interface to provide voltage be 3.3V, 3 port pattern DATA- of Error Detector is connected to the reversed emission port TX- of test board 5,
The electric signal interface of ophthalmograp 4 is inputted by the positive receiving port RX+ of test board 5, and the TOSA emission port of optical transceiver module 6 is defeated
For optical signal out after the light splitting of 1X2 optical splitter 7, optical signal returns to the ROSA receiving port of optical transceiver module 6 all the way, another
Road optical signal is input to the optical signal interface of ophthalmograp 4.
Using the polarity detection system of above-mentioned optical transceiver module, detection method are as follows: setting Error Detector 3 is custom code pattern
Formula, and editor's output pattern sequence (such as: 1000), the waveform of yellow optical signal and green electric signal that observation ophthalmograp 4 is shown, such as
Fruit waveform is unanimously as shown in Figure 3, then it represents that polar configurations are correct.If waveform is as shown in Figure 4 on the contrary, then it represents that polar configurations have
Accidentally, need to change the related register configuration of master chip at this time.
Claims (3)
1. a kind of polarity detection system of optical transceiver module characterized by comprising an Error Detector；One ophthalmograp；One test board
With the optical transceiver module to be tested being mounted on the board, the Error Detector pattern output port DATA+ is connected to the telecommunications of ophthalmograp
Number interface, the port DATA- of Error Detector are connected to the reversed emission port TX- of test board, the light letter of the output of optical transceiver module
Number it is connected to the optical signal interface of ophthalmograp.
2. the polarity detection system of optical transceiver module according to claim 1, which is characterized in that further include a 1X2 light point
Road device, the optical signal of the emission port output of the optical transceiver module is after the light splitting of 1X2 optical splitter, and optical signal returns all the way
The receiving port of optical transceiver module, another way optical signal are input to the optical signal interface of ophthalmograp.
3. the polarity detection system of optical transceiver module according to claim 1 or 2, which is characterized in that further include the first electricity
Source and second source, first power supply are 220V to the voltage that Error Detector and ophthalmograp power supply provide, and second source connection is surveyed
It is 3.3V that the power interface of test plate (panel), which provides voltage,.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821128933.9U CN208353344U (en) | 2018-07-17 | 2018-07-17 | A kind of polarity detection system of optical transceiver module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821128933.9U CN208353344U (en) | 2018-07-17 | 2018-07-17 | A kind of polarity detection system of optical transceiver module |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208353344U true CN208353344U (en) | 2019-01-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821128933.9U Active CN208353344U (en) | 2018-07-17 | 2018-07-17 | A kind of polarity detection system of optical transceiver module |
Country Status (1)
| Country | Link |
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| CN (1) | CN208353344U (en) |
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2018
- 2018-07-17 CN CN201821128933.9U patent/CN208353344U/en active Active
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Address after: 701, 801, building C3, Nanshan wisdom garden, 1001 Xueyuan Avenue, Changyuan community, Taoyuan Street, Nanshan District, Shenzhen, Guangdong 518000 Patentee after: Shenzhen Xunte Communication Technology Co.,Ltd. Patentee after: JIANGXI SONT COMMUNICATION TECHNOLOGY Co.,Ltd. Address before: Room 805, East Tower, Nanshan Software Park, 10128 Shennan Avenue, Nantou street, Nanshan District, Shenzhen, Guangdong 518000 Patentee before: SHENZHEN SONT TECHNOLOGY Co.,Ltd. Patentee before: JIANGXI SONT COMMUNICATION TECHNOLOGY Co.,Ltd. |
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| CP03 | Change of name, title or address |