CN202261300U - Optical module interface conversion circuit and interface conversion board - Google Patents
Optical module interface conversion circuit and interface conversion board Download PDFInfo
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- CN202261300U CN202261300U CN2011203120026U CN201120312002U CN202261300U CN 202261300 U CN202261300 U CN 202261300U CN 2011203120026 U CN2011203120026 U CN 2011203120026U CN 201120312002 U CN201120312002 U CN 201120312002U CN 202261300 U CN202261300 U CN 202261300U
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Abstract
The utility model discloses an optical module interface conversion circuit and an interface conversion board. The optical module interface conversion circuit comprises an SFP+ interface, an XFP interface, a transmitter differential signal input terminal of the SFP+ interface, a receiver differential signal output terminal of the SFP+ interface which are correspondingly connected with a transmitter differential signal input terminal of the XFP interface, a receiver differential signal output terminal of the XFP interface. The conversion of the SFP+ encapsulation interface and the XFP encapsulation interface is realized by the optical module interface conversion circuit, the compatibility between the SFP+ encapsulation interface and the XFP encapsulation interface is realized, the signal integrity is kept, the application range of the SFP+ is extended and the production cost is low.
Description
Technical field
The utility model relates to a kind of interface circuit, specifically, relates to a kind of optical module interface conversion circuit, belongs to the optical communication technique field.
Background technology
At present, optical module has multiple packing forms, like SFP+, XFP etc., and each other can not be compatible; The XFP optical module electrical interface of standard is as shown in Figure 1, and the SFP+ optical module electrical interface of standard is as shown in Figure 2, and wherein, SFP+ and XFP are the optical modules of 10G; SFP+ and XFP apparent size are littler, yet the two agreement of deferring to is different, and both can not be compatible; And the application of SFP+ is more extensive, therefore, and when needs are used the XFP interface; Must develop the XFP optical module again, cause R&D costs to strengthen, and the R&D cycle lengthening.
Based on this, how to research and develop a kind of optical module interface conversion circuit, solve the problem that different optical module interfaces can not be compatible, be the problem that the utility model mainly solves.
Summary of the invention
The utility model to existing SFP+ interface and XFP interface can not compatibility problem, a kind of optical module SFP+ interface and XFP interface conversion circuit are provided, realized the compatibility of the two, expanded the range of application of SFP+.
In order to solve the problems of the technologies described above, the utility model adopts following technical scheme to be achieved:
A kind of optical module interface conversion circuit; Comprise SFP+ interface and XFP interface, the reflector differential signal input terminal of said SFP+ interface, receiver differential signal lead-out terminal, respectively with reflector differential signal input terminal, corresponding connection of receiver differential signal lead-out terminal of XFP interface.
Further; For control signal and the power supply signal of controlling SFP+ interface and XFP interface synchronous, the emission cut-off signals input terminal of said SFP+ interface, serial communication interface, Received Loss Of Signal terminal respectively with emission cut-off signals input terminal, the serial communication interface of XFP interface, the Received Loss Of Signal terminal is corresponding is connected.
Further again, the earth terminal of said SFP+ interface is connected with the earth terminal of XFP interface.
Further again, the emission cut-off signals input terminal of said SFP+ interface is connected with DC power supply with the emission cut-off signals input terminal series resistance (R1) of XFP interface back.
Further; The serial communication interface of said SFP+ interface and XFP interface comprises data-interface and clock interface respectively; Both data-interface series resistance (R3) backs are connected with DC power supply, and both clock interface series resistance (R2) backs are connected with DC power supply.
Based on above-mentioned a kind of optical module interface conversion circuit; The utility model discloses a kind of optical module interface conversion plate simultaneously; Comprise interface conversion circuit, laser driver, power amplifier and control chip; Said interface conversion circuit comprises SFP+ interface and XFP interface; The reflector differential signal input terminal of said SFP+ interface, receiver differential signal lead-out terminal, respectively with reflector differential signal input terminal, corresponding connection of receiver differential signal lead-out terminal of XFP interface, and the reflector differential signal input terminal of said SFP+ interface, receiver differential signal lead-out terminal respectively with laser driver, the corresponding connection of power amplifier.
Further; The emission cut-off signals input terminal of said SFP+ interface, serial communication interface, Received Loss Of Signal terminal respectively with emission cut-off signals input terminal, the serial communication interface of XFP interface, the Received Loss Of Signal terminal is corresponding is connected, the serial communication interface of said SFP+ interface is connected with control chip.
Compared with prior art; The advantage and the good effect of the utility model are: the optical module interface conversion circuit of the utility model has been realized the switching of SFP+ package interface and XFP package interface; Both compatibilities have been realized; The integrality that has kept signal expanded the range of application of SFP+, and cost of manufacture is low.
After the detailed description in conjunction with advantages the utility model execution mode, other characteristics of the utility model and advantage will become clearer.
Description of drawings
Fig. 1 is a kind of embodiment schematic block circuit diagram of optical module interface conversion circuit that the utility model proposes;
Fig. 2 is a kind of embodiment schematic block circuit diagram of the optical module interface conversion plate of the utility model proposition.
Embodiment
In order to solve the problem that SFP+ interface and XFP interface can not be compatible; Under the prerequisite that does not increase cost of manufacture, to enlarge the range of application of SFP+; A kind of optical module SFP+ interface and XFP interface conversion circuit are provided; Signal input, lead-out terminal through with SFP are connected with signal input, the lead-out terminal of XFP respectively, have realized the compatibility of the two.Below in conjunction with accompanying drawing, be example with the change-over panel that adopts the optical module interface conversion circuit, the optical module interface conversion circuit embodiment of the utility model is done explanation in further detail.
Embodiment one; Optical module interface conversion circuit in the present embodiment is referring to shown in Figure 1; Comprise SFP+ interface U1 and XFP interface J1; Reflector differential signal input terminal 18,19 pin of SFP+ interface U1 are connected with reflector differential signal input terminal 28,29 pin of XFP interface J1 respectively, receiver differential signal lead- out terminal 12,13 pin of SFP+ interface U1 respectively with the corresponding connection of receiver differential signal lead- out terminal 17,18 pin of XFP interface J1, through with of differential signal input, the lead-out terminal corresponding connection of SFP+ interface with the XFP interface; Make its equal receiving inputted signal and output signal, guaranteed the integrality of signal.
Referring to shown in Figure 2; Be optical module interface conversion plate theory diagram; The reflector differential signal input terminal TD+ of SFP+ interface U1, TD-connect laser driver Laser Driver simultaneously; Receive the drive signal of Laser Driver; And the receiver differential signal lead-out terminal RD+ of SFP+ interface U1, RD-be connected with power amplifier Amplifier simultaneously, is used for the signal processing and amplifying, owing to the reflector differential signal input terminal of SFP+ interface U1 is connected with the reflector differential signal input terminal of XFP interface J1; And the receiver differential signal lead-out terminal of SFP+ interface U1 is connected with the receiver differential signal lead-out terminal of XFP interface J1, so both receiving inputted signals synchronously.
For control signal and the power supply signal of controlling SFP+ interface U1 and XFP interface J1 synchronous; The emission cut-off signals input terminal pin 3 of said SFP+ interface U1 is connected with the emission cut-off signals input terminal pin 5 of XFP interface J1; And be connected DC power supply after resistance R 1 series connection; The serial communication interface pin 4,5 of SFP+ interface U1 is connected with the serial communication interface pin one 0,11 of XFP interface J1; Wherein, the pin 4 of U1 and the pin one 0 of J1 are clock interface, and the pin 5 of U1 and the pin one 1 of J1 are data-interface; Be connected with DC power supply behind both clock interface series resistance R3, and be connected with DC power supply behind both data-interface series resistance R2.The Received Loss Of Signal terminal pin 8 of SFP+ interface U1 is connected with the Received Loss Of Signal terminal pin one 4 of XFP interface.The optical module interface conversion plate of present embodiment also comprises control chip; Serial communication interface SDA, the SCL of SFP+ interface U1 are connected with control chip; Realized that control signal can control SFP+ interface U1 and XFP interface J1 simultaneously, the control DC power supply is both power supply situations.
In order to increase the stability of circuit, the grounding leg of SFP+ interface U1 is connected with the corresponding pin of XFP interface J1 respectively at bit-identify pin 6, receiving terminal grounding leg 10,11,14 like transmitting terminal grounding leg 1,17,20, module.
Certainly; Above-mentioned explanation is not to be the restriction to the utility model; The utility model also be not limited in above-mentioned for example, variation, remodeling, interpolation or replacement that those skilled in the art are made in the essential scope of the utility model also should belong to the protection range of the utility model.
Claims (10)
1. optical module interface conversion circuit; It is characterized in that: comprise SFP+ interface and XFP interface, the reflector differential signal input terminal of said SFP+ interface, receiver differential signal lead-out terminal, respectively with reflector differential signal input terminal, corresponding connection of receiver differential signal lead-out terminal of XFP interface.
2. optical module interface conversion circuit according to claim 1 is characterized in that: the emission cut-off signals input terminal of SFP+ interface, serial communication interface, Received Loss Of Signal terminal respectively with emission cut-off signals input terminal, serial communication interface, the corresponding connection of Received Loss Of Signal terminal of XFP interface.
3. optical module interface conversion circuit according to claim 1 is characterized in that: the earth terminal of SFP+ interface is connected with the earth terminal of XFP interface.
4. optical module interface conversion circuit according to claim 2 is characterized in that: the emission cut-off signals input terminal of said SFP+ interface is connected with DC power supply with the emission cut-off signals input terminal series resistance (R1) of XFP interface back.
5. optical module interface conversion circuit according to claim 2; It is characterized in that: the serial communication interface of said SFP+ interface and XFP interface comprises data-interface and clock interface respectively; Both data-interface series resistance (R3) backs are connected with DC power supply, and both clock interface series resistance (R2) backs are connected with DC power supply.
6. optical module interface conversion plate; It is characterized in that: comprise interface conversion circuit, laser driver, power amplifier and control chip; Said interface conversion circuit comprises SFP+ interface and XFP interface; The reflector differential signal input terminal of said SFP+ interface, receiver differential signal lead-out terminal, respectively with reflector differential signal input terminal, corresponding connection of receiver differential signal lead-out terminal of XFP interface, and the reflector differential signal input terminal of said SFP+ interface, receiver differential signal lead-out terminal respectively with laser driver, the corresponding connection of power amplifier.
7. optical module interface conversion plate according to claim 6; It is characterized in that: the emission cut-off signals input terminal of SFP+ interface, serial communication interface, Received Loss Of Signal terminal respectively with emission cut-off signals input terminal, the serial communication interface of XFP interface, the Received Loss Of Signal terminal is corresponding is connected, the serial communication interface of said SFP+ interface is connected with control chip.
8. according to claim 6 or 7 described optical module interface conversion plates, it is characterized in that: the earth terminal of SFP+ interface is connected with the earth terminal of XFP interface.
9. optical module interface conversion circuit according to claim 7 is characterized in that: the emission cut-off signals input terminal of said SFP+ interface is connected with DC power supply with the emission cut-off signals input terminal series resistance (R1) of XFP interface back.
10. optical module interface conversion circuit according to claim 7; It is characterized in that: the serial communication interface of said SFP+ interface and XFP interface comprises data-interface and clock interface respectively; Both data-interface series resistance (R3) backs are connected with DC power supply, and both clock interface series resistance (R2) backs are connected with DC power supply.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203120026U CN202261300U (en) | 2011-08-25 | 2011-08-25 | Optical module interface conversion circuit and interface conversion board |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203120026U CN202261300U (en) | 2011-08-25 | 2011-08-25 | Optical module interface conversion circuit and interface conversion board |
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| Publication Number | Publication Date |
|---|---|
| CN202261300U true CN202261300U (en) | 2012-05-30 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011203120026U Expired - Fee Related CN202261300U (en) | 2011-08-25 | 2011-08-25 | Optical module interface conversion circuit and interface conversion board |
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| CN (1) | CN202261300U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105740184A (en) * | 2016-01-26 | 2016-07-06 | 四川华拓光通信股份有限公司 | Riser card for realizing data communication between XFP (10 Gigabit Small Form Factor Pluggable) optical module and SFP+ (Small Form factor Pluggables) equipment interface and application method |
| CN108052465A (en) * | 2017-12-22 | 2018-05-18 | 郑州云海信息技术有限公司 | A kind of QSFP28 optical modes block management method |
| CN111541957A (en) * | 2020-04-21 | 2020-08-14 | 武汉英飞光创科技有限公司 | Method for modifying default value of signal integrity register and optical module |
-
2011
- 2011-08-25 CN CN2011203120026U patent/CN202261300U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105740184A (en) * | 2016-01-26 | 2016-07-06 | 四川华拓光通信股份有限公司 | Riser card for realizing data communication between XFP (10 Gigabit Small Form Factor Pluggable) optical module and SFP+ (Small Form factor Pluggables) equipment interface and application method |
| CN105740184B (en) * | 2016-01-26 | 2019-01-29 | 四川华拓光通信股份有限公司 | The method for realizing XFP optical module and SFP+ equipment interface data communication |
| CN108052465A (en) * | 2017-12-22 | 2018-05-18 | 郑州云海信息技术有限公司 | A kind of QSFP28 optical modes block management method |
| CN111541957A (en) * | 2020-04-21 | 2020-08-14 | 武汉英飞光创科技有限公司 | Method for modifying default value of signal integrity register and optical module |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120530 Termination date: 20200825 |
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| CF01 | Termination of patent right due to non-payment of annual fee |