CN210351193U - CFP dense wavelength division multiplexing double-receiving optical module - Google Patents
CFP dense wavelength division multiplexing double-receiving optical module Download PDFInfo
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- CN210351193U CN210351193U CN201921422936.8U CN201921422936U CN210351193U CN 210351193 U CN210351193 U CN 210351193U CN 201921422936 U CN201921422936 U CN 201921422936U CN 210351193 U CN210351193 U CN 210351193U
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Abstract
The utility model discloses a CFP dense wavelength division multiplexing pair of receipts optical module, including CFP module connector, Gearbox1, optical signal converter A, the little the control unit of optical signal converter B, MCU and Gearbox2, MCU little the control unit is connected with CFP module connector, Gearbox1 and Gearbox2 respectively, the utility model discloses the beneficial effect who reaches is: the utility model adopts a CFP packaging structure to meet the requirement of CFP1HW1MSA, adopts Dense Wavelength Division (DWDM) technology, and the receiving wavelength meets the arbitrary wavelength of C wave band, thus saving the optical fiber resource; the transmission rate of 100G (4X 25G) can be achieved when single-side service is transmitted, the transmission rate of 200G (2X 4X 25G) can be achieved when two-side service is transmitted simultaneously, and the service transmission distance can be effectively increased to 120km by adopting a Forward Error Correction (FEC) technology.
Description
Technical Field
The utility model relates to a CFP intensive wavelength division multiplexing is two receives optical module, in particular to CFP intensive wavelength division multiplexing is two receives optical module, belongs to two optical module technical field that receive.
Background
The common CFP O band LAN-WDM single-mode module in the current market has a large loss, and the transmission distance is generally 10km, when the module uses a built-in optical amplifier device, the transmission distance can only reach 40km, and four received wavelengths are fixed; the common transmission distance of a multimode module with 850nm wavelength is 100-150 m, the wavelength of the multimode module is relatively fixed, for example, 100GBASE-SR4, is influenced by the limitation of wavelength and the transmission distance, and whether the multimode module is a LAN-WDM module or a multimode module, one module is required to occupy one optical fiber in the optical fiber transmission, the optical fiber resource is wasted, and the transmission distance is limited.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is to overcome prior art's defect, provide CFP dense wavelength division multiplexing pair and receive optical module.
In order to solve the technical problem, the utility model provides a following technical scheme:
the utility model discloses CFP dense wavelength division multiplexing pair of receipts optical module, including CFP module connector, Gearbox1, optical signal converter A, optical signal converter B, MCU little the control unit and Gearbox2, MCU little the control unit is connected with CFP module connector, Gearbox1 and Gearbox2 respectively, CFP module connector is connected in Gearbox1 and Gearbox2 respectively, optical signal converter A is connected to Gearbox1 one end, optical signal converter B is connected to Gearbox2 one end.
Preferably, the MCU micro-control unit is connected with the CFP module connector, the Gearbox1 and the Gearbox2 through MDIO.
Preferably, the structures of the Gearbox1 and the Gearbox2 are the same, and the Gearbox1 and the Gearbox2 are respectively provided with a rate conversion module, a clock rate recovery module and a forward error correction module.
Preferably, the optical-to-electrical signal converter a and the optical-to-electrical signal converter B have the same structure, and each of them has four independent light receiving elements.
Preferably, the MCU is composed of a reading module, a monitoring module and a regulating module.
The utility model discloses the beneficial effect who reaches is: the utility model adopts a CFP packaging structure to meet the requirement of CFP1HW1MSA, adopts Dense Wavelength Division (DWDM) technology, and the receiving wavelength meets the arbitrary wavelength of C wave band, thus saving the optical fiber resource; the transmission rate of 100G (4X 25G) can be achieved when single-side service is transmitted, the transmission rate of 200G (2X 4X 25G) can be achieved when two-side service is transmitted simultaneously, and the service transmission distance can be effectively increased to 120km by adopting a Forward Error Correction (FEC) technology.
Drawings
The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:
fig. 1 is a schematic structural diagram of the present invention.
In the figure, 1, CFP module connector; 2. gearbox 1; 3. a photoelectric signal converter A; 4. a photoelectric signal converter B; 5. an MCU micro control unit; 6. gearbox 2.
Detailed Description
The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are presented herein only to illustrate and explain the present invention, and not to limit the present invention.
Examples
As shown in fig. 1, the utility model provides a CFP dense wavelength division multiplexing pair receives optical module, including CFP module connector 1, georbox 12, optical signal converter A3, optical signal converter B4, MCU microcontrol unit 5 and georbox 26, MCU microcontrol unit 5 is connected with CFP module connector 1, georbox 12 and georbox 26 respectively, CFP module connector 1 is connected in georbox 12 and georbox 26 respectively, georbox 12 one end is connected with optical signal converter A3, georbox 26 one end is connected with optical signal converter B4.
Further, the MCU micro-control unit 5 is connected to the CFP module connector 1, the geobox 12 and the geobox 26 through MDIO, which facilitates connection.
Furthermore, the structures of the georbox 12 and the georbox 26 are the same, and the rate conversion module, the clock rate recovery module and the forward error correction module are respectively arranged in the georbox 12 and the georbox 26, so that the forward error correction of the signal is facilitated, the quality of the signal is improved, and the number of error codes is reduced.
Further, the photoelectric signal converter a3 and the photoelectric signal converter B4 have the same structure, and four independent light receiving components are respectively built in the photoelectric signal converter a3 and the photoelectric signal converter B4, and a transimpedance amplifier is included in the photoelectric signal converter a, so that the photoelectric signal conversion is facilitated.
Furthermore, the MCU 5 is composed of a reading module, a monitoring module and an adjusting module, and is more practical.
Specifically, the CFP module connector 1 of the present invention is a connector of the CFP module 148pin, which implements output of 10G high-speed electrical signals and input/output of control communication signals, the Gearbox12 is a Gearbox having functions of rate conversion, clock rate recovery (CDR), and Forward Error Correction (FEC), i.e., 4 paths of 25G differential signals received from the optical-electrical signal converter a3 are shaped, regenerated, and retimed, and jitter and delay are removed, and forward error correction is performed on the signals, improving signal quality, reducing the number of error codes, and converted into 10 paths of 10G differential signals, which are output from the CFP module connector 1, the Gearbox26 is a Gearbox having functions of rate conversion, clock rate recovery (CDR), and Forward Error Correction (FEC), i.e., 4 paths of 25G differential error correction signals received from the optical-electrical signal converter B4 are shaped, regenerated, retimed, and removed and delayed, and signals are forward error corrected, the signal quality is improved, the number of error codes is reduced, the signals are converted into 10 paths of 10G differential signals and are output from the CFP module connector 1, the photoelectric signal converter A3 is a 4-path independent optical receiving assembly (ROSA), and a transimpedance amplifier (TIA) is arranged in the photoelectric signal converter A3; the photoelectric signal converter A3 realizes photoelectric conversion, converts an optical signal into an electrical signal, converts the electrical signal into a differential electrical signal through TIA, inputs the differential electrical signal into the Gearbox12, simultaneously provides the strength of the optical signal in real time and inputs the optical signal into the MCU micro control unit 5, and the photoelectric signal converter B4 is a 4-path independent optical receiver assembly (ROSA) and internally comprises a transimpedance amplifier (TIA); the photoelectric signal converter B4 realizes photoelectric conversion, converts an optical signal into an electric signal, converts the electric signal into a differential electric signal through TIA (three-dimensional interactive application), inputs the differential electric signal into the Gearbox26, simultaneously provides the strength of the optical signal in real time and inputs the optical signal into the MCU (microprogrammed control unit) 5, and the MCU (microprogrammed control unit) 5 is a Microprogrammed Control Unit (MCU) and realizes communication control with a HOST side (HOST) through the CFP module connector 1; the communication control with the Gearbox12 and the Gearbox26 is realized through an MDIO interface, and the state of service transmission is read; the real-time monitoring of the intensity of the optical signal fed back by the photoelectric signal converter A3 and the photoelectric signal converter B4 is realized through a peripheral sampling circuit; and the regulation control and the real-time monitoring of the internal power supply are realized.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (5)
- The CFP dense wavelength division multiplexing dual-receiving optical module comprises a CFP module connector (1), a Gearbox1(2), an optical signal converter A (3), an optical signal converter B (4), an MCU micro control unit (5) and a Gearbox2(6), and is characterized in that the MCU micro control unit (5) is respectively connected with the CFP module connector (1), the Gearbox1(2) and the Gearbox2(6), the CFP module connector (1) is respectively connected with the Gearbox1(2) and the Gearbox2(6), one end of the Gearbox1(2) is connected with the optical signal converter A (3), and one end of the Gearbox2(6) is connected with the optical signal converter B (4).
- 2. The CFP wdm dual-transmission optical module according to claim 1, wherein the MCU micro-control unit (5) is connected to the CFP module connector (1), the geobox 1(2) and the geobox 2(6) via MDIO.
- 3. The CFP wdm dual-optical-reception module according to claim 1, wherein the Gearbox1(2) and the Gearbox2(6) have the same structure, and the Gearbox1(2) and the Gearbox2(6) each have a rate conversion module, a clock rate recovery module, and a forward error correction module built therein.
- 4. The CFP wdm dual-optical module according to claim 1, wherein the optical-to-electrical signal converter a (3) and the optical-to-electrical signal converter B (4) have the same structure, and each has four independent optical receiving components built therein.
- 5. The CFP wdm dual-transmission optical module according to claim 1, wherein the MCU micro control unit (5) is comprised of a reading module, a monitoring module, and a regulating module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921422936.8U CN210351193U (en) | 2019-08-29 | 2019-08-29 | CFP dense wavelength division multiplexing double-receiving optical module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921422936.8U CN210351193U (en) | 2019-08-29 | 2019-08-29 | CFP dense wavelength division multiplexing double-receiving optical module |
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| Publication Number | Publication Date |
|---|---|
| CN210351193U true CN210351193U (en) | 2020-04-17 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921422936.8U Active CN210351193U (en) | 2019-08-29 | 2019-08-29 | CFP dense wavelength division multiplexing double-receiving optical module |
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| Country | Link |
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| CN (1) | CN210351193U (en) |
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2019
- 2019-08-29 CN CN201921422936.8U patent/CN210351193U/en active Active
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