CN214676195U - Circuit structure of optical module all-in-one machine - Google Patents
Circuit structure of optical module all-in-one machine Download PDFInfo
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- CN214676195U CN214676195U CN202120406290.5U CN202120406290U CN214676195U CN 214676195 U CN214676195 U CN 214676195U CN 202120406290 U CN202120406290 U CN 202120406290U CN 214676195 U CN214676195 U CN 214676195U
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- test circuit
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Abstract
The utility model discloses a circuit structure of optical module all-in-one, including power supply circuit board, BERT test circuit board, MCU control circuit board, winding displacement, plug-in card formula test circuit board, CFP2 high speed connector, control switch, central processing unit, clock reference, USB interface, Trigger interface. The power supply circuit board, the BERT test circuit board and the MCU control circuit board are connected through the flat cables and are arranged in a split mode, when a circuit problem occurs, the reason of the problem can be quickly found, only part of the circuit boards are replaced, time is saved, and production cost is reduced; the CFP2 high-speed connector is defined by signals specified by an optical module protocol, is combined with a unique interface definition of MSA to CFP2 signals, and is used for receiving a card-inserting type test circuit board.
Description
Technical Field
The utility model relates to an optical module all-in-one specifically is a circuit structure of optical module all-in-one, belongs to optical module test technical field.
Background
With the rapid development of internet and wireless communication technologies, optical fiber media gradually replace copper for communication transmission, and an optical module is one of the core devices in an optical fiber system, the quality of the optical module integrated machine directly influences the quality of optical fiber communication, the optical module integrated machine is used for measuring the use parameters of the optical module, and for the existing optical module integrated machine, the circuit board inside is a whole plate body, so when circuit problems occur, the reasons of the problems can not be found quickly, in addition, when the existing optical module all-in-one machine measures the optical module, the circuit structure of the optical module all-in-one machine is provided based on the fact that the optical module can only be measured frequently, the use range is small, single module measurement is adopted during measurement, and measurement efficiency is low.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a circuit structure of optical module all-in-one just in order to solve the problem.
The utility model discloses a following technical scheme realizes above-mentioned purpose: a circuit structure of an optical module all-in-one machine comprises a power supply circuit board, a BERT test circuit board, an MCU control circuit board and a card-inserting type test circuit board; power supply circuit board, BERT test circuit board and MCU control circuit board are and set up side by side, carry out electric connection through the winding displacement between power supply circuit board, BERT test circuit board and the MCU control circuit board, power supply circuit board carries out electric connection through power cord and external power supply, just be connected with control switch on power supply circuit board's the power cord, the plug-in card formula test circuit board sets up the one side at the BERT test circuit board, carry out electric connection through CFP2 high-speed connector between plug-in card formula test circuit board and the BERT test circuit board, the integration has USB interface and Trigger interface on the MCU control circuit board, the MCU control circuit board carries out signal of telecommunication transmission connection through USB interface and PC end, the MCU control circuit board carries out signal of telecommunication transmission connection through Trigger interface and peripheral oscilloscope.
As a further aspect of the present invention: the power supply circuit board, the BERT test circuit board and the MCU control circuit board are connected through flat cables to form a split type arrangement.
As a further aspect of the present invention: the CFP2 high-speed connector comprises a female connection end integrated on a BERT test circuit board and a male connection end integrated on a plug-in card type test circuit board.
As a further aspect of the present invention: the CFP2 high-speed connector adopts the signal definition specified by the optical module protocol, and combines the independent interface definition of MSA to CFP2 signal.
As a further aspect of the present invention: and a central processing unit is integrated on the BERT test circuit board.
As a further aspect of the present invention: the BERT test circuit board is integrated with a clock reference.
As a further aspect of the present invention: the card-plug type test circuit board is designed in two types, and is provided with expansion of an I2C BUS BUS so as to access 2 QSFP28 or 4 SFP 28.
The utility model has the advantages that: the optical module all-in-one machine is reasonable in circuit structure design, the power supply circuit board, the BERT test circuit board and the MCU control circuit board are connected through the flat cables to be arranged in a split mode, when a circuit problem occurs, the reason of the problem can be found quickly, only part of the circuit boards need to be replaced, time is saved, and production cost is reduced; the CFP2 high-speed connector adopts the signal definition specified by an optical module protocol, combines the exclusive interface definition of MSA to CFP2 signals, and is used for receiving a card-inserting type test circuit board; two card-inserting type test circuit boards are designed, and the card-inserting type test circuit boards are provided with extensions of an I2C BUS BUS to access 2 QSFP28 or 4 SFP28, namely 4 SFP sockets are designed on the card-inserting plate 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, so that the test efficiency is improved.
Drawings
Fig. 1 is a schematic diagram of the overall circuit structure of the present invention.
In the figure: 1. the device comprises a power supply circuit board, a BERT test circuit board, a MCU control circuit board, a flat cable, a plug-in card type test circuit board, a CFP2 high-speed connector, a control switch, a central processing unit, a clock reference, a USB interface, a clock signal and a Trigger interface, wherein the BERT test circuit board is 2, the MCU control circuit board is 3, the flat cable is 4, the plug-in card type test circuit board is 5, the CFP2 high-speed connector is 6, the control switch is 7, the central processing unit is 8, the clock reference is 9, and the USB interface is 10, the USB interface is 11 and the Trigger interface.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1, a circuit structure of an optical module all-in-one machine includes a power circuit board 1, a BERT test circuit board 2, an MCU control circuit board 3, and a card-insertion type test circuit board 5; the power circuit board 1, the BERT test circuit board 2 and the MCU control circuit board 3 are arranged side by side, the power circuit board 1, the BERT test circuit board 2 and the MCU control circuit board 3 are electrically connected through a flat cable 4, the power circuit board 1 is electrically connected with an external power supply through a power line, and the power wire of the power circuit board 1 is connected with a control switch 7, the card-inserting type test circuit board 5 is arranged at one side of the BERT test circuit board 2, the card-inserting type test circuit board 5 and the BERT test circuit board 2 are electrically connected through a CFP2 high-speed connector 6, the MCU control circuit board 3 is integrated with a USB interface 10 and a Trigger interface 11, the MCU control circuit board 3 is in electric signal transmission connection with the PC end through a USB interface 10, and the MCU control circuit board 3 is in electric signal transmission connection with an external oscilloscope through a Trigger interface 11.
Further, in the embodiment of the utility model provides an in, power supply circuit board 1, BERT test circuit board 2 and MCU control circuit board 3 are connected through winding displacement 4 and are split type setting, when circuit problem appears, can look for the reason of problem fast, change partial circuit board can, save time and reduction in production cost.
Further, in the embodiment of the present invention, the CFP2 high-speed connector 6 includes a connection female end integrated on the BERT test circuit board 2 and a connection male end integrated on the card-insertion type test circuit board 5, and is connected with the card-insertion type of the male end through the female end, so as to be convenient for operation and use.
Further, in the embodiment of the present invention, the CFP2 high-speed connector 6 is defined by using signals specified by the optical module protocol, and is combined with an exclusive interface definition of MSA to CFP2 signals, for receiving the card-inserted test circuit board 5.
Further, in the embodiment of the present invention, the central processing unit 8 is integrated on the BERT test circuit board 2, and is used 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 the microprocessor of the 8051 core of the EFM8 series.
Further, in the embodiment of the present invention, the BERT test circuit board 2 is integrated with a clock reference 9, so as to realize generation of signals with different rates and error code detection.
Furthermore, in the embodiment of the present invention, the card-inserting type test circuit board 5 is designed with two types, and both are provided with an extension of I2C BUS to access 2 QSFP28 or 4 SFP28, that is, the card-inserting board of SFP28 is designed with 4 SFP sockets, and can test 4 SFP28 modules simultaneously; the plug board of QSFP28 is designed with 2 QSFP sockets, and 2 QSFP28 modules can be tested simultaneously, so that the test efficiency is improved.
The working principle is as follows: when the circuit structure of the optical module all-in-one machine is used, a CFP2 high-speed connector 6 is used for selecting to insert and connect a QSFP28 plug-in card type test circuit board 5 or an SFP28 plug-in card type test circuit board 5 on a BERT test circuit board 2, a USB interface 10 is connected with a PC end to provide external current and PC end signal transmission for the all-in-one machine, PC program control is achieved, the BERT test circuit board 2 is used for reading and writing of an optical module and accessing of a protocol layer through a central processing unit 8, generation and error code detection of signals with different rates are achieved through a clock reference 9 on the BERT test circuit board 2, and a measurement result is connected with an oscilloscope through a Trigger interface 11 to check an electric eye diagram.
It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. 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.
Claims (7)
1. A circuit structure of an optical module all-in-one machine comprises a power supply circuit board (1), a BERT test circuit board (2), an MCU control circuit board (3) and a card-inserting type test circuit board (5); the method is characterized in that: the utility model discloses a power supply unit, including power supply circuit board (1), BERT test circuit board (2) and MCU control circuit board (3), be the setting side by side, carry out electric connection through winding displacement (4) between power supply circuit board (1), BERT test circuit board (2) and MCU control circuit board (3), power supply circuit board (1) carries out electric connection through power cord and external power supply, just be connected with control switch (7) on the power cord of power supply circuit board (1), plug-in card formula test circuit board (5) set up the one side at BERT test circuit board (2), carry out electric connection through CFP2 high-speed connector (6) between plug-in card formula test circuit board (5) and BERT test circuit board (2), the integration has USB interface (10) and Trigger interface (11) on MCU control circuit board (3), MCU control circuit board (3) carries out signal transmission connection through USB interface (10) and PC end, and the MCU control circuit board (3) is in electric signal transmission connection with an external oscilloscope through a Trigger interface (11).
2. The circuit structure of an optical module all-in-one machine according to claim 1, characterized in that: the power supply circuit board (1), the BERT test circuit board (2) and the MCU control circuit board (3) are connected through the flat cable (4) to be in split arrangement.
3. The circuit structure of an optical module all-in-one machine according to claim 1, characterized in that: the CFP2 high-speed connector (6) comprises a female connection end integrated on a BERT test circuit board (2) and a male connection end integrated on a card-inserting type test circuit board (5).
4. The circuit structure of an optical module all-in-one machine according to claim 1, characterized in that: the CFP2 high-speed connector (6) adopts the signal definition specified by the optical module protocol, and combines the MSA to the exclusive interface definition of the CFP2 signal.
5. The circuit structure of an optical module all-in-one machine according to claim 1, characterized in that: and a central processing unit (8) is integrated on the BERT test circuit board (2).
6. The circuit structure of an optical module all-in-one machine according to claim 1, characterized in that: a clock reference (9) is integrated on the BERT test circuit board (2).
7. The circuit structure of an optical module all-in-one machine according to claim 1, characterized in that: the card-inserting type test circuit board (5) is designed into two types, and the two types are provided with expansion of an I2C BUS BUS so as to access 2 QSFP28 or 4 SFP 28.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120406290.5U CN214676195U (en) | 2021-02-24 | 2021-02-24 | Circuit structure of optical module all-in-one machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120406290.5U CN214676195U (en) | 2021-02-24 | 2021-02-24 | Circuit structure of optical module all-in-one machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214676195U true CN214676195U (en) | 2021-11-09 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120406290.5U Active CN214676195U (en) | 2021-02-24 | 2021-02-24 | Circuit structure of optical module all-in-one machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214676195U (en) |
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2021
- 2021-02-24 CN CN202120406290.5U patent/CN214676195U/en active Active
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