CN202798726U - CFP optical module tester - Google Patents
CFP optical module tester Download PDFInfo
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- CN202798726U CN202798726U CN 201220410496 CN201220410496U CN202798726U CN 202798726 U CN202798726 U CN 202798726U CN 201220410496 CN201220410496 CN 201220410496 CN 201220410496 U CN201220410496 U CN 201220410496U CN 202798726 U CN202798726 U CN 202798726U
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Abstract
The utility model discloses a CFP optical module tester, which comprises a host computer having user interaction interface software set therein and a testing plate. The testing plate is provided with a CFP optical module interface connected with a pin of a CFP optical module and applied for installing the CFP optical module in the testing circuit of the testing plate; a high-speed signal interface for inputting high-speed signals into the CFP optical module; an MCU unit communicating with a drive chip inside the CFP optical module; a serial port communication protocol conversion chip for making the host computer communicated with the MCU unit of the testing plate and the CFP optical module simultaneously; a signal lamp indicating device for indicating the state of the CFP module and a power supply module for supplying power to the CFP optical module. The CFP optical module tester provided by the utility model has the advantages of flexible use and convenient control and can achieve complete and comprehensive testing and debugging on each performance index of the CFP optical module.
Description
Technical field
The utility model relates to technical field of optical fiber communication, is specifically related to a kind of CFP optical module tester that the CFP optical module that is used for the 40Gbit/s interface under the multi-source agreement standard is tested.
Background technology
Along with the fast development of Internet service, people are more and more to information quantity requirement, require more and more faster to message data rate.Because the promotion that high-quality video professional (such as video request program, IPTV etc.) and high speed high power capacity Access Network (FTTx and WiFi) are built, for as the present information exchange, process and the optical fiber communication of the main pillar of transmission has proposed more high frequency, more high speed and more jumbo demand.Transmission rate is that the fiber optic transmission system of 40Gbit/s progressively enters the arena of history under this background, follows MSA(Multi-Source Agreement, multi-source agreement) the CFP(outline packages can plug) optical module also will be connected in the 40Gbit/s interface.And meanwhile, in the industry cycle do not have unified standard for the measurement circuit plate of the CFP optical module that is connected in the 40Gbit/s interface under the MSA standard.Therefore can't carry out to the property indices of CFP optical module complete sum comprehensively test and debugging.
In sum, be necessary to provide a kind of testing apparatus that under multi-source agreement (MSA) standard, can test and debug the property indices of the CFP optical module that is connected in the 40Gbit/s interface.
The utility model content
Embodiment of the present utility model provides a kind of optical module test macro, in order to the CFP optical module tester of under the multi-source agreement standard property indices of the CFP optical module that is connected in the 40Gbit/s interface being tested and being debugged.
The purpose of this utility model is achieved through the following technical solutions: a kind of CFP optical module tester, comprise host computer that User Interface software is set and with host computer in the test board of User Interface software communication, be provided with on the described test board
CFP optical module interface links to each other with the pin of CFP optical module, is used for the CFP optical module is installed in the test circuit of test board;
High speed signal interface is used for high speed signal is input to the CFP optical module;
The MCU unit communicates with driving chip in the CFP optical module;
The serial communication protocol conversion chip is connected with described host computer, MCU unit and CFP optical module, is used for realizing that host computer while and MCU unit and the CFP optical module of test board communicate;
The signal lamp indicating device links to each other with the CFP module interface, is used to indicate the state of CFP module;
Power module is used to the CFP optical mode that power supply is provided.
Wherein, CFP optical module interface on the described test board comprises control pin interface, monitoring alarm interface, MDIO and addressing interface and signal designation interface, link to each other with the signal designation pin with control pin, monitoring alarm pin, MDIO and the addressing pin thereof of CFP module respectively, described signal designation interface is electrically connected with described signal lamp indicating device.
Also be provided with hardware control circuit and hardware controls commutation circuit on the described test board, described hardware control circuit links to each other with control pin interface, monitoring alarm interface, MDIO and addressing interface thereof, when the hardware controls commutation circuit was connected, the control pin of CFP optical module, monitoring alarm pin, MDIO and addressing pin thereof were controlled by hardware control circuit.
When described hardware controls commutation circuit was connected, described MCU unit and described host computer communicated by the first USB interface, communicate by MDIO with described CFP module.
Described serial communication protocol conversion chip links to each other by the secondary USB interface that is arranged on the described test board with host computer.
Also be provided with the first to the 3rd debugging interface on the described test board, described the first debugging interface is connected with described MCU unit, and the single-chip microcomputer in described the second debugging interface and the CFP optical module is connected, and the interior FPGA of described the 3rd debugging interface and CFP optical module is connected.
Described power module inside is provided with level transferring chip, is used to the CFP optical module that 3.3V power supply and/or 1.2V power supply are provided.
Described signal lamp indicating device comprises power supply indicator, communications status indicator light, hardware control circuit level indicating lamp, hardware alarm indicator light and addressing interface control indicator light.
Described serial communication protocol conversion chip is the FT232 chip.
The utility model is the tester that the property indices of the CFP optical module that is connected in 40Gbit/s interface under the multi-source agreement is tested and debugged.User Interface software and the CFP module of host computer communicate, by host computer operation test program, drive the driving chip in the CFP module, different parameters in the optical module is regulated, and be connected to the situation of change that testing equipment is checked each parts in the optical module by the signal lamp indicating device on the test board or the lead-in wire that picked out by CFP optical module interface.Test board can also be tested and debug control pin, monitoring alarm pin and MDIO and the addressing pin thereof of CFP optical module by hardware control circuit simultaneously.Therefore the utlity model has and use flexibly, control is convenient, can realize the property indices of CFP optical module is carried out complete sum comprehensively test and debugging.
Description of drawings
Fig. 1 is structural representation of the present utility model;
Fig. 2 is the switching figure of software control circuit and hardware control circuit in the utility model.
Embodiment
For making the purpose of this utility model, technical scheme and advantage clearer, referring to accompanying drawing and enumerate preferred embodiment, the utility model is further described.
When introducing structure of the present utility model, paper CFP optical module after encapsulating, each pin (pin) that it is connected with external equipment.The pin of CFP optical module is divided into control pin, monitoring alarm pin, the input and output of MDIO(management data) and addressing pin and signal designation pin.Wherein, the CFP optical module is used for realizing in real time control by the control pin, and wherein, the control pin has 6, and is as shown in table 1 below:
Table 1 control pin
As seen from the above table,
Pin36 is that reflector turn-offs pin.When logic high, the laser in the CFP optical module is luminous.When logic low, the laser in the CFP optical module is not luminous.
Pin37 is optical module low-power mode pin.When logic high, the laser in the CFP optical module is luminous.When logic low, the laser in the CFP optical module is not luminous.
Pin38 is optical module replacement pin.When logic high, the normal operation of CFP optical module.When logic low, the CFP optical module is reset.
The state of each pin in the following table when logic high and logic low can draw according to the note in table 2 and the table 3, therefore the note of each pin no longer done detailed explanation herein.
Table 2 monitoring alarm pin
Table 3MDIO pin
According to embodiment of the present utility model, provide a kind of CFP optical module tester.Fig. 1 shows the structural representation of CFP optical module tester.As shown in Figure 1, CFP optical module tester comprise host computer 1 that User Interface software is set and with host computer 1 in the test board 2 of User Interface software communication.Be provided with CFP optical module interface (not shown), high speed signal interface 3, MCU unit 4, serial communication protocol conversion chip 5, signal lamp indicating device (not shown) and power module 6 on the test board 2.
Described CFP optical module interface links to each other with the pin of CFP optical module, is used for the CFP optical module is installed in the test circuit of test board 2.Wherein, CFP optical module interface comprises control pin interface, monitoring alarm interface, the input and output of MDIO(management data) and addressing interface and signal designation interface.These interfaces link to each other with the signal designation pin with control pin, monitoring alarm pin, MDIO and the addressing pin thereof of CFP module respectively.And the signal designation interface is electrically connected with signal lamp indicating device on the test board 2.
Described high speed signal interface 3 comprises 4 road signal of telecommunication receiving interfaces and 4 road signal of telecommunication emission interfaces.Because the CFP optical module comprises transmission channel and the receive path of 4 couples of 10.3125Gbit/s, and the mode by wavelength division multiplexing realizes the transmission rate of parallel 40Gbit/s.Therefore in the situation of the Electro Magnetic Compatibility that considers HW High Way, high speed signal interface 3 adopts 4 road signal of telecommunication receiving interfaces to link to each other with receive path with the transmission channel of 4 road signal of telecommunication emission interfaces with 4 couples of 10.3125Gbit/s of CFP optical module, thereby strict satisfied impedance matching, reduce to greatest extent signal reflex, improved the accuracy of test and the validity of debugging.
Described MCU unit 4 adopts the single-chip microcomputer of C8051 series.MCU unit 4 communicates by serial communication protocol conversion chip 5 with host computer 1, and simultaneously with the next CFP optical module in the driving chip communicate.By serial communication protocol conversion chip 5, host computer 1 also can be realized communicating by letter with the driving chip in the CFP optical module simultaneously.In the present embodiment, serial communication protocol conversion chip 5 adopts the FT232 chip.The FT232 chip links to each other by the secondary USB interface that is arranged on the test board 2 with host computer 1.
Described signal lamp indicating device links to each other with the CFP module interface, is used to indicate the state of CFP module.Wherein the signal lamp device comprises power supply indicator, communications status indicator light, hardware control circuit level indicating lamp, hardware alarm indicator light and addressing interface control indicator light.Operating state and the signal intelligence of each pin when being used to indicate the power connection state of CFP optical module and the parameters in regulating the CFP module.
Described power module 6 is to provide power supply for the CFP module.Owing to meet the mutual conversion between the needs 3.3V and 1.2V in the communication pattern of CFP MSA consensus standard, so power module 6 inside are provided with level transferring chip, are used to the CFP optical module that 3.3V power supply and 1.2V power supply are provided.
Simultaneously, also be provided with the first to the 3rd debugging interface on the test board 2.Wherein, the first debugging interface 7 is the jtag interface that is connected with MCU unit 4; The second debugging interface 8 is the jtag interface that is connected with single-chip microcomputer in the CFP optical module; The 3rd debugging interface 9 is the jtag interface that is connected with FPGA in the CFP optical module.
During above-mentioned each component working, communicate by letter between the control program by host computer 1 and the driving chip of MCU unit 4 and CFP optical module inside, just can realize adjusting and test to each parameter of CFP optical module.This is the software control circuit.And for control pin, monitoring alarm pin and the MDIO of CFP optical module and the test of addressing pin thereof, also be provided with hardware control circuit 10 and hardware controls commutation circuit 11 on the test board 2.Hardware control circuit 10 links to each other with control pin interface, monitoring alarm interface, MDIO and addressing interface thereof.When hardware controls commutation circuit 11 was connected, the control pin of CFP optical module, monitoring alarm pin, MDIO and addressing pin thereof were by hardware control circuit 10 controls, and this moment, other pins of CFP optical module can only be monitored and regulate to host computer 1.When hardware controls commutation circuit 11 was connected, MCU unit 4 communicated by the first USB interface with host computer 1, communicated by MDIO with driving chip in the CFP module.
The below is described in detail the concrete method of testing of CFP optical module tester:
At first the CFP optical module with 40Gbit/s is installed on the CFP optical module interface that meets consensus standard that provides on the test board 2.After the CFP optical module installs high speed signal interface 3 is connected on the CFP optical module.Connect on CFP optical module interface, the first debugging interface 7, the second debugging interface 8 and the 3rd debugging interface 9 and show the testing equipment that needs to survey parameter, such as luminous power instrument, oscilloscope etc.Equipment all installs rear connection DC power supplier 6(3.3V) power for the CFP optical module.
When utilizing the software control circuit to test, the control program of the User Interface software of operation host computer 1 communicates by the driving chip in serial communication protocol conversion chip 5 and the CFP optical module, thereby realizes driving the control of chip in the CFP optical module.As by regulating bias current, realize the control to average emitted luminous power in the CFP optical module; By regulating modulated current, reach target delustring ratio; By inner AD sampling, can monitor the calibration temperature, voltage, utilizing emitted light power, received optical power, working current value of CFP optical module etc.Whether host computer 1 can also be controlled by the pin of the 4 pairs of CFP optical modules in MCU unit, and use normal by the function that the corresponding signal lamp on the test board 2 or host computer 1 monitoring program are observed this pin.Illustrate, the Pin36 in the table 1 turn-offs pin for emission.When logic low, the module electricity-the light conversion portion is not worked, and namely optical module inner laser device is not luminous.When logic high, the module electricity-the work of light conversion portion, optical module inner laser device is luminous.When host computer 1 was launched high level or low level signal to Pin36, by light power meter, the variation on host computer 1 monitoring program or the Power Supply Monitoring current value can confirm whether this pin function uses normal.For other pins of CFP optical module, host computer 1 is similar to Pin36 to its control, describes in detail no longer one by one herein.
When the control pin that utilizes hardware circuit to the CFP optical module, monitoring alarm pin and MDIO and addressing pin thereof were controlled, hardware control circuit 10 was connected.Fig. 2 shows the switching figure of software control circuit and hardware control circuit.As shown in Figure 2, this moment, host computer 1 did not play control action to this three parts pin, but still can monitor other pins.When hardware controls commutation circuit 11 was connected, MCU unit 4 communicated by the first USB interface with host computer 1, communicated by MDIO with driving chip in the CFP optical module.Host computer 1 is communicated by letter with the CFP optical module with the FT232 chip by secondary USB interface.The control of 10 pairs of CFP optical modules of hardware control circuit pin is still take Pin36 as example.When need carry out level control to Pin36, only need research and development engineer or user only to use relevant circuit interface corresponding to pin on simple and easy device (wire jumper) short circuit or the disconnection test board 2, can finish this function and realize and check.
As known from the above, the utility model can make high speed signal strictly satisfy impedance matching and reduce to greatest extent signal reflex when high speed signal is inputted, and tests and debug by the property indices of selecting software control circuit or 10 pairs of CFP modules of hardware control circuit.Therefore the utlity model has and use flexibly, control is convenient, can realize the property indices of CFP optical module is carried out complete sum comprehensively test and debugging.
The above only is preferred implementation of the present utility model; should be pointed out that for those skilled in the art, under the prerequisite that does not break away from the utility model principle; can also make some improvements and modifications, these improvements and modifications also should be considered as protection range of the present utility model.
Claims (10)
1. CFP optical module tester, comprise host computer that User Interface software is set and with host computer in the test board of User Interface software communication, it is characterized in that, be provided with on the described test board
CFP optical module interface links to each other with the pin of CFP optical module, is used for the CFP optical module is installed in the test circuit of test board;
High speed signal interface is used for high speed signal is input to the CFP optical module;
The MCU unit communicates with driving chip in the CFP optical module;
The serial communication protocol conversion chip is connected with described host computer, MCU unit and CFP optical module, is used for realizing that host computer while and MCU unit and the CFP optical module of test board communicate;
The signal lamp indicating device links to each other with the CFP module interface, is used to indicate the state of CFP module;
Power module is used to the CFP optical mode that power supply is provided.
2. CFP optical module tester as claimed in claim 1, wherein, CFP optical module interface on the described test board comprises control pin interface, monitoring alarm interface, MDIO and addressing interface and signal designation interface, link to each other with the signal designation pin with control pin, monitoring alarm pin, MDIO and the addressing pin thereof of CFP module respectively, described signal designation interface is electrically connected with described signal lamp indicating device.
3. CFP optical module tester as claimed in claim 2, wherein, also be provided with hardware control circuit and hardware controls commutation circuit on the described test board, described hardware control circuit links to each other with control pin interface, monitoring alarm interface, MDIO and addressing interface thereof, when the hardware controls commutation circuit was connected, the control pin of CFP optical module, monitoring alarm pin, MDIO and addressing pin thereof were controlled by hardware control circuit.
4. CFP optical module tester as claimed in claim 3, wherein, when described hardware controls commutation circuit was connected, described MCU unit and described host computer communicated by the first USB interface, communicate by MDIO with described CFP module.
5. CFP optical module tester as claimed in claim 1, wherein, described serial communication protocol conversion chip links to each other by the secondary USB interface that is arranged on the described test board with host computer.
6. such as the described CFP optical module of one of claim 1 to 5 tester, wherein, also be provided with the first to the 3rd debugging interface on the described test board, described the first debugging interface is connected with described MCU unit, single-chip microcomputer in described the second debugging interface and the CFP optical module is connected, and the interior FPGA of described the 3rd debugging interface and CFP optical module is connected.
7. CFP optical module tester as claimed in claim 6, wherein, described CFP optical module comprises the passage that transmits and receives of 4 couples of 10.3125Gbit/s, described high speed signal interface comprises 4 road signal of telecommunication receiving interfaces and 4 road signal of telecommunication emission interfaces.
8. CFP optical module tester as claimed in claim 6, wherein, described power module inside is provided with level transferring chip, is used to the CFP optical module that 3.3V power supply and/or 1.2V power supply are provided.
9. CFP optical module tester as claimed in claim 6, wherein, described signal lamp indicating device comprises power supply indicator, communications status indicator light, hardware control circuit level indicating lamp, hardware alarm indicator light and addressing interface control indicator light.
10. CFP optical module tester as claimed in claim 6, wherein, described serial communication protocol conversion chip is the FT232 chip.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220410496 CN202798726U (en) | 2012-07-27 | 2012-07-27 | CFP optical module tester |
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| CN 201220410496 CN202798726U (en) | 2012-07-27 | 2012-07-27 | CFP optical module tester |
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| CN105743569A (en) * | 2016-02-17 | 2016-07-06 | 柳州市乾阳机电设备有限公司 | Test device of non-hot-plug optical transmitting-receiving integrated module |
| WO2016127871A1 (en) * | 2015-02-12 | 2016-08-18 | 中兴通讯股份有限公司 | Detection device and system and board |
| CN106257257A (en) * | 2015-06-18 | 2016-12-28 | 中兴通讯股份有限公司 | A kind of detect the method for optical module planisphere, device and virtual vector analyser |
| CN106407107A (en) * | 2016-08-31 | 2017-02-15 | 无锡市电子仪表工业有限公司 | Auxiliary software debugging method of universal type optical module |
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| CN111045930A (en) * | 2019-11-18 | 2020-04-21 | 武汉光谷信息光电子创新中心有限公司 | Method and system for downloading and debugging optical module code |
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- 2012-07-27 CN CN 201220410496 patent/CN202798726U/en not_active Expired - Lifetime
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| WO2016127871A1 (en) * | 2015-02-12 | 2016-08-18 | 中兴通讯股份有限公司 | Detection device and system and board |
| CN106257257B (en) * | 2015-06-18 | 2019-11-29 | 中兴通讯股份有限公司 | A kind of method, apparatus and virtual vector analyzer detecting optical module planisphere |
| CN106257257A (en) * | 2015-06-18 | 2016-12-28 | 中兴通讯股份有限公司 | A kind of detect the method for optical module planisphere, device and virtual vector analyser |
| CN105743569A (en) * | 2016-02-17 | 2016-07-06 | 柳州市乾阳机电设备有限公司 | Test device of non-hot-plug optical transmitting-receiving integrated module |
| CN106411398A (en) * | 2016-05-23 | 2017-02-15 | 深圳市鑫杰讯科技有限公司 | Optical module detector |
| CN106407107A (en) * | 2016-08-31 | 2017-02-15 | 无锡市电子仪表工业有限公司 | Auxiliary software debugging method of universal type optical module |
| CN106405441A (en) * | 2016-11-13 | 2017-02-15 | 深圳市迅特通信技术有限公司 | Aging testing device for optical module |
| CN106405441B (en) * | 2016-11-13 | 2023-08-04 | 深圳市迅特通信技术股份有限公司 | Aging test device of optical module |
| CN106788692A (en) * | 2016-12-15 | 2017-05-31 | 武汉电信器件有限公司 | A kind of test equipment and its method of testing of module LOS |
| CN106896314A (en) * | 2017-04-20 | 2017-06-27 | 江苏奥雷光电有限公司 | Test board weighs electrifying device automatically |
| CN107515341A (en) * | 2017-09-11 | 2017-12-26 | 歌尔科技有限公司 | A kind of test board |
| CN107515341B (en) * | 2017-09-11 | 2024-04-02 | 歌尔科技有限公司 | Test board |
| CN111045930A (en) * | 2019-11-18 | 2020-04-21 | 武汉光谷信息光电子创新中心有限公司 | Method and system for downloading and debugging optical module code |
| CN116155389A (en) * | 2023-02-28 | 2023-05-23 | 光彩芯辰(浙江)科技有限公司 | Optical module debugging system and method |
| CN116155389B (en) * | 2023-02-28 | 2023-10-27 | 光彩芯辰(浙江)科技有限公司 | Optical module debugging system and method |
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Granted publication date: 20130313 |