CN109495172A - Optical module error code handheld meter - Google Patents

Abstract

A kind of optical module error code handheld meter disclosed by the invention, it is desirable to provide a kind of more convenient and quicker, the high analyzer of visualization.The technical scheme is that: control circuit board is equipped with the display module of connection microcontroller, WIFI communication module, ethernet communication module, usb communication module, eMMC memory, DDR3 memory, Multiplexing module and CFP4 interface module, wherein, Multiplexing module is separately connected SFP/SFP+ interface module, XFP interface module and QSFP/QSFP+ interface module, display module is connected with microcontroller and display screen respectively, optical module error code handheld meter carries out human-computer dialogue by display screen, show the digital diagnostic information of corresponding optical module and the information with electric erazable programmable read-write memory EEPROM of optical module, usb communication module passes through local USB flash disk and writes code operation to optical module execution or execute cloud to optical module by network Write code operation.

Description

Optical module error code handheld meter

Technical field

The present invention relates to optical communication field, it is related to a kind of optical module error code handheld meter, digital diagnostic monitoring DDM points Analyzer.

Background technique

In optical module technical field, optical module is made of opto-electronic device, functional circuit and optical interface etc..Optical module is The photoelectric converter of standard, transmitting terminal convert electrical signals into optical signal, are transmitted by optical fiber, and receiving end again turns optical signal Change electric signal into.The opto-electronic device of optical module includes transmitting (TX) and reception (RX) two parts.SFP transmitting terminal in interchanger (TX) it sends the optical signal that electric signal to be transmitted is converted to suitable for transmission in optical fiber link, then by the reception of another SFP The optical signal received is converted into electric signal and exported to interchanger or end router by end (RX), to reach data information Between the purpose that exchanges.Most of optical module producer is all the virtual instrument skill used for the test of optical module on the market now Art is connected to the control that pc port realizes more measuring instruments by bus, completes the automatic detection to optical module.

Optical module with numerical diagnostic detection function is mainly to the temperature of the optical module with numerical diagnostic detection function, confession 5 parameters such as piezoelectric voltage, bias current, received optical power, transmission power carry out real-time monitorings, pass through and analyze digitized measurement knot Fruit determines the communication work situation of optical module.In optical module with storing in electric erazable programmable read-write memory EEPROM Content includes SerialID, VendorSpecific information, wherein includes optical mode block type, wavelength, transmission distance in SerialID From, PN manufacturer sequence number, SN product ID, the date of manufacture, CHECKSUM data check and wait contents, interchanger passes through these Content identifies optical module.Module storage region contains the general information and basic configuration information (including module of module Sequence number, software version number), the information write-in of memory block (part Flash of slave computer) is written and read by I2C communication, It achieves.The design of optical module slave computer software is designed essentially according to the demand of above several aspects.Including initial to microcontroller Change (clock, pin is enabled, the setting of timer etc.), reads register module and enter normal mode of operation, debugging mode and write Pattern sets refresh time, monitoring parameters information.Parameter testing process of the domestic major optic communication enterprise in optical module at present In mainly use advanced test equipment (optical Oscilloscope, Error Detector, light power meter) both domestic and external.However due to oscillograph, error code Instrument, light power meter are provided by different companies, so they are their respective businesses, are worked independently.And Manufacturing Worker Have to the control mode for learning these fine measuring instruments, operate these accurate measuring instruments to specifications and observes this Image and data on a little measuring devices, this senior middle school possible for one all come without the factory Quality Inspector to graduate with regard to Out-migrant for work It says, not only content is extremely complicated for this operating process and step, the probability that accidentally malfunctions is very high, is easy to produce asthenopia, It is crucial that entire product quality detection efficiency is very low.Even if increasing employee's professional training, it is also desirable to which a period of time comes ripe Know these operating process.Also it is in and does not automate and not intelligentized status just because of current industrial production.

Optical module is one of device important in fiber optic communication, and there are many optical mode block type, from encapsulation it is upper for have SFP, The optical module of SFF, GBIC, XFP, QSFP, from the point of view of in rate, SFP rate up to 4Gbps, XFP rate up to 10Gbps, QSFP rate may be up to 100Gbps.The type of required light receipts module is not also identical in different networks, various in order to meet The type of the demand of system, optical module will be more and more, and performance also can be higher and higher.Optical module can go out during use The function that existing other factors influence module makes communication data mistake occur.The bending of the operating temperature of optical module, optical fiber can shadow Ring the service life of optical power and optical module itself.Need to monitor in real time the working condition of optical module, that is, monitoring optical mode 5 parameter indexes of block: supply voltage, temperature, received optical power, transmitting optical power and laser bias current.It then will prison The value measured the numberical range required in normal working conditions with optical module compares, if not in claimed range It will call the police, display optical module is under unfavorable condition, and interchanger will stop sending data, until optical module is in normal condition It is lower just to retransmit or receive data.Digital diagnosis function can predict laser by monitoring the bias current of laser Service life；By the warning to temperature, voltage, transmitting and the received optical power and laser bias current detected and alert shape The information such as state carry out comprehensive analysis, can predict that failure, fault location shorten fault correction time, reduce loss；Pass through Whether the working environment of analysis optical module meets relevant data standard, to verify the compatibility of optical module, guarantees optical module Performance avoids the appearance of transmission error code.The digital diagnosis function DDM of optical module can diagnose the working condition of optical module, quite The role of Yu doctor.It provides the work state information of inside modules to host in real time, comprising: voltage, temperature, transmitting light function Rate, received optical power, laser bias current.Also administrative unit can be helped to find out optical fiber link abort situation, simplify maintenance Work improves working efficiency, improves the reliability of system.The fault diagnosis functions DDM of optical module is a kind of system performance monitoring Means, can with the service life of help system management prognostic module, positioning system failure, and at the scene installation in authentication module compatibility Property.Optical module life prediction can make network management personnel be quickly found out potential link failure, avoid system performance impacted. By the judgement in advance of failure, system manager can by service switching to backup link or the suspicious device of replacement, thus Repair system in the case where uninterrupted business.Another function of numerical diagnostic is the compatibility verification of module.Compatibility is tested Card is exactly whether the working environment of analysis module meets databook or compatible with relevant standard.Only in standard compliant ring Under border, optical module performance just keeps normal value, in some cases, since environmental parameter exceeds databook or relevant mark Standard will cause module performance to decline, to transmission error code occur.The working environment situation incompatible with module has: a. voltage is super Prescribed limit out；B. received optical power overloads or is lower than receiver sensitivity；C. temperature exceeds operating temperature range.In optical link In quickly positioning failure generation position it is most important to business.Fault Isolation characteristic can then be such that system manager quickly positions The position of link failure.This characteristic can be in module or on the line with positioning failure；It is in local module or remote End module.Pass through quick positioning failure, it is possible to reduce the fault correction time of system.In fault location, comprehensive analysis shape is needed State position, pin and measurement parameter.

In current technology field, engineering staff the optical module in switch room is safeguarded, accident analysis When, it usually needs acquire the digital diagnostic information of optical module and the band electric erazable programmable read-write memory of identification optical module EEPROM information.Common practices is using the test board of only one specific light module interface and by USB data line and one PC machine is attached scene and builds test environment, using control software on computer to the optical module being inserted on test board into Row is read, and needs replacing different test boards after replacing the optical module of different encapsulated types, and need to carry different types of Optical module test board and PC machine are inconvenient to scene, and display to these information and control place one's entire reliance upon PC machine, Display and control are realized as a whole unlike digital multimeter, light power meter, OTDR tester, using i.e. not It is convenient to embody visualization.And code operation is write at present and is mostly based on the BIN binary code text being stored in PC machine Part, Yao Zhihang, which writes code operation, must just carry PC machine, not flexible.Tester is also needed to require with very high professional technique, Testing efficiency is low, is easy error, and maloperation is easily damaged.The diversity of product type causes different debugging, test specification, In the actual operation process, human error, which is often difficult to avoid that, causes unpredictable risk, just the product of same model at last, Due to different operators and gimmick, production debugging, test result may also be far from each other, the consistency of properties of product obtains Less than embodiment.It is isolated in manual test, between various instruments in the presence of single function is realized, causes optical module test step It is numerous.The instrument and equipment that one operator can only operate or observe a procedure within the same time carries out product test, A large amount of manpower must just be put by completing all tests.Manual record test data is also needed, during this period at instrument and equipment In idle state, time-consuming and easy error, if to reach trackability requirement, the arrangement and filing of mass data are all that part is numerous Miscellaneous work, let alone data analyze.

Summary of the invention

In place of in view of the deficiency of the prior art, a kind of more convenient and quicker is provided, flexibly Property it is high, visualization is high, a kind of optical module error code handheld meter easy to carry.

Above-mentioned purpose of the invention can be achieved by the following technical programs: a kind of optical module error code handheld test Instrument, comprising: the display screen of the control circuit board in outer housing and setting on the shell, and the 5V of connection power module are set Power interface, network interface, USB interface, power switch, CFP4 interface and by the SFP/SFP+ interface of I2C bus-sharing, XFP interface, QSFP/QSFP+ interface.It is characterized by: control circuit board is equipped with display module, the WIFI of connection microcontroller Communication module, ethernet communication module, usb communication module, eMMC memory, DDR3 memory, Multiplexing module and CFP4 interface Module, wherein Multiplexing module is separately connected SFP/SFP+ interface module, XFP interface module and QSFP/QSFP+ interface module, shows Show that module is connected with microcontroller and display screen respectively, it is man-machine right that optical module error code handheld meter is carried out by display screen Words, show the digital diagnostic information of corresponding optical module and the letter with electric erazable programmable read-write memory EEPROM of optical module It ceases, usb communication module passes through local USB flash disk and writes code operation to optical module execution or write code behaviour to optical module execution cloud by network Make.

Preferably, the microprocessor is the ARM single-chip microcontroller of Cortex_A7 kernel, selects the iMX6UL micro-control of NXP company Device chip processed.

Preferably, the display screen is 7 cun of LCD touch screens.

Preferably, the WIFI communication module is system on chip, model HLK-M58DUART serial ports and WIFI network The wireless module of exchange.

Preferably, the ethernet communication module is ethernet PHY chip, selects the 88E3019 core of Marvell company Piece.

Preferably, the eMMC memory, memory space 8GByte.Select the THGBMBG6D1KBAIL of Toshiba Chip.

Preferably, the DDR3 memory, memory space 1GByte select the MT41J128M8 core of Micron company Piece.

Preferably, the 5V power interface is charging and provides the multiplex interface of power supply to control circuit board.

Preferably, on the SFP/SFP+ optical module interface, XFP optical module interface and QSFP/QSFP+ optical module interface I2C bus is multiplexed by 4:1 two-way multiplexer, and I2C bus resource is utilized in saving.

The present invention has the advantages that compared with the prior art.

More convenient and quicker, flexibility are high.The present invention is by SFP/SFP+ interface, XFP interface, QSFP/QSFP+ interface and CFP4 Interface integration can acquire the numerical diagnostic letter of optical module to together, need to only carry the optical module error code handheld meter in real time The band electric erazable programmable read-write memory EEPROM information of breath and identification optical module, keeps optical module monitoring parameter more accurate. BIN binary code file when writing code operation, can be written on corresponding interface by optical module by way of external USB flash disk Optical module, or cloud is carried out to optical module using ethernet network, WIFI network and writes code operation, without relying on the control of PC machine. Convenient and efficient, flexibility is higher.The implacable contradiction of script between efficiency and quality is well solved.

Visualization is high, and aspect carries.The present invention will be shown to become one with control, simplifies taking for test environment It builds, plug and play, the digital diagnostic information of optical module and can directly be shown with electric erazable programmable read-write memory EEPROM information Show in the analyzer, visualization is high.And the analyzer volume design is rationally, carries aspect, can not have to carry PC machine can analyze the data of optical module.

Detailed description of the invention

Fig. 1 is the functional block diagram of optical module error code handheld meter of the present invention.

Fig. 2 is the three dimensional structure diagram of Fig. 1.

In figure: 100- shell, 101- display screen, 102- network interface, 103-USB interface, 104-5V power interface, 105- Power switch, 106-SFP/SFP+ interface, 107-XFP interface, 108-QSFP/QSFP+ interface, 109-CFP4 interface, 200- control Circuit board processed, 201- microprocessor, 202- display module, 203-WIFI communication module, 204- ethernet communication module, 205- Usb communication module, 206-eMMC memory, 207-DDR3 memory, 208- Multiplexing module, 209-SFP/SFP+ interface module, 210-XFP interface module, 211-QSFP/QSFP+ interface module, 212-CFP4 interface module, 213- power module.

Specific embodiment

Refering to fig. 1-2.In the embodiment described below, a kind of optical module error code handheld meter, comprising: setting is outside The display screen of control circuit board and setting on the shell in shell, and 5V power interface, the network of connection power module connect Mouth, USB interface, power switch, CFP4 interface and SFP/SFP+ interface, XFP interface, QSFP/QSFP by I2C bus-sharing + interface.The upper surface of the cuboid of outer housing 100 is arranged in display screen 101, and line is equipped in the one side wall of outer shell length direction The SFP/SFP+ interface 106 for being used to connect SFP/SFP+ interface module 209 of battle array arrangement, connects the XFP of XFP interface module 210 Interface 107 connects the QSFP/QSFP+ interface 108 of QSFP/QSFP+ interface module 211, connection CFP4 interface module 212 CFP4 interface 109；The 5V power interface 104 and electricity being connected with power module 213 are respectively equipped on the side wall of width direction Source switch 105 connects the network interface 102 of ethernet communication module 204, connects the usb 1 03 of usb communication module 205. Display module 202, the WIFI communication module 203, ethernet communication of connection microcontroller 201 are equipped in control circuit board 200 Module 204, usb communication module 205, eMMC memory 206, DDR3 memory 207, Multiplexing module 208 and CFP4 interface module 212, wherein Multiplexing module 208 connects SFP/SFP+ interface module 209, XFP interface module 210 and QSFP/QSFP+ interface mould Block 211, display module 202 are connected with the microcontroller 201 and the display screen 101 respectively, and optical module error code is hand-held to be surveyed It tries instrument and human-computer dialogue is carried out by display screen, the band electrically erasable of the digital diagnostic information and optical module that show corresponding optical module can The information of read-write memory EEPROM is programmed, usb communication module passes through local USB flash disk and writes code operation to optical module execution or pass through net Network executes cloud to optical module and writes code operation.

Display screen 101 is 7 cun of LCD touch display screens, for showing the collected digital diagnostic information of optical module and electrification Erasable programmable read-write memory EEPROM information, information show the temperature of optical module, voltage, bias current, light emitting power, The digital diagnostic datas information such as light receiving power and alarm, alarming threshold shows optical mode block type, wavelength, transmission range, PN The band electric erazable programmable read-write memory EEPROM information content such as manufacturer's sequence number, SN product ID, date of manufacture.Pass through The display screen 101 of touch, can to write code operation control, selection write from external USB flash disk code or by WIFI network, with Too net network logs in Cloud Server progress cloud and writes code operation.

The network interface 102 is RJ45 Ethernet interface, for the optical module error code handheld meter and routing Device constitutes cable network connection, is connected by cable network and logs in Cloud Server, so that carrying out cloud writes code operation.

The usb 1 03 is A type USB socket interface, the data come for receiving USB flash disk transmission, to carry out writing code behaviour Make.

The 5V power interface 104 is DC power source adapter socket, uses the common internal diameter to be for 5.5mm outer diameter The socket of 2.5mm specification.Multiplex interface for charging and powering to control circuit board.

The power switch 105 is power supply opening and the closing of the optical module error code handheld meter.

The SFP/SFP+ interface 106 be SFP encapsulated type slot, SFP/SFP+ optical module by this interface with it is described Microprocessor 201 is connected；The XFP interface 107 is the slot of XFP encapsulated type, and XFP optical module passes through this interface and Wei Chu Reason device 201 is connected；The QSFP/QSFP+ interface 108 is the slot of QSFP encapsulated type, and QSFP/QSFP+ optical module passes through This interface is connected with the microprocessor 201；The CFP4 optical module interface 1009 is the slot of CFP4 encapsulated type, CFP4 Optical module is connected by this interface with microprocessor 201.

Microprocessor 201 is the arm processor that kernel is Cortex_A7, and model iMX6UL is used as main control chip, It is responsible for running the controls such as display screen, WIFI, Ethernet, I2C bus, SDIO bus and main USB device and real-time, interactive, It is the core of whole system.

The WIFI communication module 203 is the SOC chip of embedded ICP/IP protocol stack, can be realized UART serial ports with It is converted between WIFI wireless network, Cloud Server is logged in by WIFI network, write to carry out cloud to the optical module of connection Code operation.WIFI communication module model meets wireless protocol standard: IEEE802.11AC, and effective propagation path is 200m's HLK-M58D。

The ethernet communication module 204 is PHY chip, model 88E3019.It is responsible for 10/100M transmission rate Cable-network transmission.

The eMMC memory 206 is the chip for meeting the JEDECeMMC5.0 version standard of JEDEC publication, memory space For 8GByte, model THGBMBG6D1KBAIL.It is responsible for the firmware program and constant data that store embedded OS.

The DDR3 memory 207 is Installed System Memory chip, memory space 1GByte, model MT41J128M8. It is responsible for embedded OS, the operation of interface software and the storage of variable data.

Multiplexing module 208 is two-way 4:1 multiplexer, is multiplexed to I2C bus, passes through the guiding path of I2C bus It is respectively communicated with corresponding SFP/SFP+ interface module 209, XFP interface module 210 and QSFP/QSFP+ interface module 211 and simultaneously The information of corresponding optical module is transmitted.

The CFP4 interface module 212 is SDIO bus communication mode, and microcontroller 201 passes through SDIO bus and CFP4 Interface module 212 is communicated；The frequency of central processor CPU and specification are done appropriate reduction by microprocessor, and by memory Memory, counter Timer, USB, modulus a/d transducer, universal asynchronous receiving-transmitting transmitter UART, programmable logic controller (PLC) PLC, direct memory access dma controller perimeter interface or even LCD chip driving circuit are all integrated on a single chip, are formed The computer of chip-scale does various combination control for different applications.

Above-described is only the preferred embodiment of the present invention.It should be pointed out that coming for those of ordinary skill in the art It says, without departing from the principle of the present invention, several modifications and improvements can also be made, these alterations and modifications should be regarded as belonging to In protection scope of the present invention.

Claims (10)

1. a kind of optical module error code handheld meter, comprising: the control circuit board in outer housing and setting is arranged on the shell Display screen, and the connection 5V power interface of power module, network interface, USB interface, power switch, CFP4 interface and logical Cross the SFP/SFP+ interface, XFP interface, QSFP/QSFP+ interface of I2C bus-sharing；It is characterized by: being set in control circuit board Have the connection display module of microcontroller, WIFI communication module, ethernet communication module, usb communication module, eMMC memory, DDR3 memory, Multiplexing module and CFP4 interface module, wherein Multiplexing module is separately connected SFP/SFP+ interface module, XFP connects Mouth mold block and QSFP/QSFP+ interface module, display module are connected with microcontroller and display screen respectively, optical module error code hand It holds tester and human-computer dialogue is carried out by display screen, the electrification of the digital diagnostic information and optical module that show corresponding optical module can The information of programmable read-write memory EEPROM is wiped, usb communication module executes optical module by local USB flash disk and writes code operation or logical It crosses network and code operation is write to optical module execution cloud.

2. optical module error code handheld meter as described in claim 1, it is characterised in that: the square of outer housing is arranged in display screen The upper surface of body, equipped with linear array arrangement for connecting SFP/SFP+ interface module in the one side wall of outer shell length direction SFP/SFP+ interface connects the XFP interface of XFP interface module, connects the QSFP/QSFP+ interface of QSFP/QSFP+ interface module, Connect the CFP4 interface of CFP4 interface module；The 5V power supply being connected with the power supply module is respectively equipped on the side wall of width direction Interface and power switch connect the network interface of ethernet communication module, connect the USB interface of usb communication module.

3. optical module error code handheld meter as described in claim 1, it is characterised in that: display screen is touch display screen, is used In the collected digital diagnostic information of display optical module and with the electric erazable programmable read-write memory EEPROM information content.

4. optical module error code handheld meter as described in claim 1, it is characterised in that: display information shows optical module Temperature, voltage, bias current, light emitting power, light receiving power and alarm, alarming threshold digital diagnostic data information.

5. optical module error code handheld meter as described in claim 1, it is characterised in that: display screen display optical mode block type, Wavelength, transmission range, PN manufacturer sequence number, SN product ID, date of manufacture and with electric erazable programmable read-write memory The EEPROM information content.

6. optical module error code handheld meter as described in claim 1, it is characterised in that: the SFP/SFP+ interface is SFP The slot of encapsulated type, SFP/SFP+ optical module are connected with the microprocessor by this interface；XFP interface is XFP encapsulated type Slot, XFP optical module is connected with the microprocessor by this interface；QSFP/QSFP+ interface is inserting for QSFP encapsulated type Slot, QSFP/QSFP+ optical module are connect by this interface with the microprocessor；CFP4 interface is the slot of CFP4 encapsulated type, CFP4 optical module is connected with the microprocessor by this interface.

7. optical module error code handheld meter as described in claim 1, it is characterised in that: microprocessor is that kernel is The arm processor of Cortex_A7, model iMX6UL are used as main control chip, are responsible for display screen, WIFI, Ethernet, I2C Bus, the control of SDIO bus and main USB device and real-time, interactive operation.

8. optical module error code handheld meter as described in claim 1, it is characterised in that: the WIFI communication module is interior The SOC chip of embedding ICP/IP protocol stack, can be realized and converted between UART serial ports and WIFI wireless network, pass through WIFI net Network logs in Cloud Server, so that carrying out cloud to the optical module of connection writes code operation.

9. optical module error code handheld meter as described in claim 1, it is characterised in that: Multiplexing module is two-way 4:1 multiplexing Device is multiplexed I2C bus, passes through the guiding path of I2C bus and corresponding SFP/SFP+ interface module, XFP interface Module and QSFP/QSFP+ interface module are respectively communicated with and transmit to the information of corresponding optical module.

10. optical module error code handheld meter as described in claim 1, it is characterised in that: CFP4 interface module passes through SDIO Bus is connect with microcontroller, is transmitted by information of the SDIO bus to corresponding optical module；Microprocessor is central processing unit The frequency of CPU and specification do appropriate reduction, and by memory memory, counter Timer, USB, modulus a/d transducer, general different Walk receiving-transmitting transmitter UART, programmable logic controller (PLC) PLC, direct memory access dma controller perimeter interface or even LCD core Piece driving circuit all integrates the computer for forming chip-scale on a single chip, does various combination control for different applications System.