Disclosure of Invention
The invention aims to provide an optical module all-in-one machine for solving the problems.
The invention realizes the purpose through the following technical scheme: an optical module all-in-one machine comprises a host part and a card inserting part; host computer part and plug-in card part are all settled on the bottom plate, be provided with power integrated circuit board, BERT test mainboard and MCU control integrated circuit board in the host computer part, the power integrated circuit board is located one side of BERT test mainboard, MCU control integrated circuit board is located the opposite side of BERT test mainboard, the plug-in card part is located the below of host computer part, the platform and the plug-in card formula that the board was surveyed to fixed plug-in card formula are surveyed to the plug-in card part including fixed plug-in card formula and survey the board, the platform that the board was surveyed to fixed plug-in card formula passes through screw fixed mounting on the bottom plate.
As a still further scheme of the invention: the power supply board card, the BERT test mainboard and the MCU control board card are connected with a flat cable through power lines, wherein the power supply board card is used for providing stable current for the host and the plug-in card. The BERT test mainboard is provided with a female end of a CFP2 high-speed connector, and the CFP2 is defined as an exclusive interface. And a central processing unit is integrated on the MCU control board card.
As a still further scheme of the invention: the BERT test mainboard integrates a clock reference.
As a still further scheme of the invention: and a USB interface is arranged on the MCU control board card.
As a still further scheme of the invention: the four corners of the platform of the fixed card-inserting type test board are fixedly installed together with the bottom plate through screws.
As a still further scheme of the invention: the card-inserting type test board adopts a high-speed connector, the interface of the host end is a female end, the card-inserting end is a male end, and a card is inserted into the host through the high-speed connector; the card-inserting type test board is provided with two types, and extensions of an I2C BUS BUS are designed.
As a still further scheme of the invention: the back of the host part is provided with a square-port-USB interface, and the square-port-USB interface provides external current and PC-port signal transmission for the integrated machine by being connected with a PC port.
As a still further scheme of the invention: and a Trigger interface is arranged on the side surface of the host part.
The invention has the beneficial effects that: the optical module all-in-one machine is reasonable in design, the test board is connected with the test equipment through the high-speed connector (CFP2), compared with the traditional method that the test board is connected through the RF connecting lines, 32 independent connectors and 32 RF connecting lines are omitted, and a large amount of time for assembling and disassembling the lines is saved. In addition, the power panel is arranged in the host machine, the host machine can be powered on only by connecting the USB with the PC, and compared with the traditional test, a voltage stabilizing source needs to be additionally configured, so that a large amount of cost is saved. Finally, one device of the invention can test a plurality of modules simultaneously, and the test efficiency is 2/4 times of that of the traditional test.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1 to 4, an optical module integrated machine includes a host portion and a card insertion portion; host computer part and plug-in card part are all settled onbottom plate 1, be provided with power integratedcircuit board 2,BERT test mainboard 3 and MCU control integratedcircuit board 4 in the host computer part, powerintegrated circuit board 2 is locatedBERT test mainboard 3's one side, MCU control integratedcircuit board 4 is locatedBERT test mainboard 3's opposite side, the plug-in card part is located the below of host computer part, the platform 5 and the plug-in card that the board was surveyed to the plug-in card part is drawn together fixed plug-in card formula andsurveys board 6, fixed plug-in card formula survey platform 5 of surveying the board passes through screw fixed mounting onbottom plate 1, fixed plug-in card formula is surveyed and is installed a plurality of plug-.
Further, in the embodiment of the present invention, thepower board 2, the BERTtest motherboard 3, and theMCU control board 4 are connected via a power line and a flat cable, wherein thepower board 2 is configured to provide a stable current for the host and the plug-in card, and no additional voltage regulator is required. TheBERT test mainboard 3 is provided with a female end of a CFP2 high-speed connector, and the CFP2 is defined as an independent interface: the signal definition specified by the optical module protocol is combined with the definition of the signal of the CFP2 by the MSA, and is used for receiving the plug-in card. TheMCU control board 4 is integrated with a central processing unit for reading and writing of the optical module and accessing the protocol layer, and the reading and writing of the optical module MSA protocol and the control signal of the hardware are realized by an EFM8 series 8051 core microprocessor.
Further, in the embodiment of the present invention, theBERT test board 3 integrates a clock reference, and thus, generation of signals with different rates and error code detection are realized.
Further, in the embodiment of the present invention, theMCU control board 4 is provided with a USB interface for connecting to a PC through a USB connection line to realize program control.
Furthermore, in the embodiment of the invention, four corners of the platform 5 for fixing the card-inserting type test board are fixedly installed with thebottom plate 1 through screws, so that when a card is inserted into a host, signals can be stably transmitted, and inaccurate test caused by shaking is avoided.
Further, in the embodiment of the present invention, the card-insertingtype test board 6 adopts a high-speed connector-CFP 2, the host end interface is a female end, the card-inserting end is a male end, and a card is inserted into the host through the high-speed connector; the card-insertingtype test board 6 is provided with two types, and is designed with expansion of an I2C BUS BUS, so that the function that one path of I2C communication BUS of thehost accesses 2 QSFP28 or 4 SFP28 is realized, namely 4 SFP sockets are designed on the card-inserting board of the SFP28, and 4 SFP28 modules can be tested simultaneously; the plug board of QSFP28 is designed with 2 QSFP sockets, and 2 QSFP28 modules can be tested simultaneously.
Furthermore, in the embodiment of the present invention, a square-socket-USB interface 7 is disposed on the back of the host portion, and the square-socket-USB interface 7 provides external current and PC-terminal signal transmission for the integrated machine by connecting with a PC terminal, so as to implement PC program control.
Further, in the embodiment of the present invention, aTrigger interface 8 is disposed on a side surface of the host portion, and is used for connecting an oscilloscope to view an electric eye diagram.
The working principle is as follows: when the optical module all-in-one machine is used:
1. the card-inserting test board is stably inserted into the host, and after the insertion is confirmed, the platform for fixing the card-inserting is fixed on the main body of the all-in-one machine by using screws so as to ensure that the card-inserting is stable and does not shake;
2. the square-port-to-USB connecting line is connected to the PC end from a square-port interface at the back of the host computer to provide current for the host computer, so that the host computer can be started to operate, and the PC end can be used for carrying out program control on the host computer;
3. insert the receiving terminal of testing panel with the module that awaits measuring accurately, annotate: 4 SFP28/SFP + modules or 2 QSFP28 modules can be inserted at the same time according to the type of the card test board;
4. and testing the module to be tested through software.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.