CN217388715U - SFP + optical module - Google Patents
SFP + optical module Download PDFInfo
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- CN217388715U CN217388715U CN202220983345.3U CN202220983345U CN217388715U CN 217388715 U CN217388715 U CN 217388715U CN 202220983345 U CN202220983345 U CN 202220983345U CN 217388715 U CN217388715 U CN 217388715U
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Abstract
The application provides an SFP + optical module comprising: a light receiving unit for converting an input optical signal into an electrical signal; the electrical interface unit is electrically connected with the light receiving unit; the digital diagnosis unit is electrically connected with the light receiving unit, the electrical interface unit and the light emitting unit and is used for detecting the electrical signal of the light receiving unit and the optical signal of the light emitting unit; the power supply unit is used for providing power supply input; the boosting power supply unit is electrically connected with the power supply unit and the digital diagnosis unit, and the output control of the boosting power supply unit is realized through the digital diagnosis unit; and the light emitting unit is electrically connected with the electrical interface unit and is used for converting the electrical signal of the electrical interface unit into an optical signal and outputting the optical signal. The deployment cost of the power supply module of the communication equipment can be reduced, the power supply stability and reliability of the system are improved, and the operation and maintenance difficulty of the equipment is simplified.
Description
Technical Field
The utility model relates to an optical module technical field, concretely relates to SFP + optical module.
Background
Metropolitan Area networks (metropolian Area networks) are computer communication networks established in a city domain, MAN for short, and belong to broadband local Area networks. In the past, the voltage of-48V used on communication equipment can reach the equipment voltage by deploying an uninterruptible power supply system and performing conversion between AC and DC for many times, and such a power deployment mode has the obvious defect of low energy efficiency, the conversion efficiency of energy is often not up to 85%, the UPS construction cost is high, and the safety of multiple link termination points is difficult to guarantee.
The increasing transmission demand in the communication field is, on the one hand, the deployment cost of the updating of the power supply system and, on the other hand, the continuous increase of the transmission capacity. The traditional UPS development in the aspect of a power supply system reaches a peak, but the defects of high construction cost and low energy conversion efficiency are still difficult to overcome, the deployment cost of a power supply module of communication equipment is high, the power supply stability and reliability of the system are low, and the operation and maintenance difficulty of the equipment is high.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome above-mentioned technique not enough, provide a SFP + optical module, can reduce communication equipment power module's deployment cost, improve system's power supply stability and reliability, simplify the equipment operation and maintain the degree of difficulty.
In order to achieve the above technical object, the technical solution of the present invention provides an SFP + optical module, including:
a light receiving unit for converting an input optical signal into an electrical signal;
the electrical interface unit is electrically connected with the light receiving unit;
the digital diagnosis unit is electrically connected with the light receiving unit, the electrical interface unit and the light emitting unit and is used for detecting the electrical signal of the light receiving unit and the optical signal of the light emitting unit;
the power supply unit is electrically connected with the light receiving unit, the electrical interface unit, the digital diagnosis unit and the light emitting unit and is used for providing power supply input;
the boost power supply unit is electrically connected with the power supply unit and the digital diagnosis unit, and the output control of the boost power supply unit is realized through the digital diagnosis unit;
and the light emitting unit is electrically connected with the electrical interface unit and is used for converting the electrical signal of the electrical interface unit into an optical signal to be output.
Compared with the prior art, the beneficial effects of the utility model include:
the utility model provides a SFP + optical module can reduce communication equipment power module's deployment cost, improves system power supply stability and reliability, simplifies the equipment operation and maintains the degree of difficulty. The optical module can independently supply power from a 25Gb/s Ethernet to a 1000BASE Ethernet, so that the optical module can monitor and control the power supply unit of the communication equipment, the deployment process of the equipment is simplified, and the maintenance and repair cost of the equipment is reduced.
According to some embodiments of the invention, the SFP + optical module further comprises:
and one end of the double-fiber bidirectional LC interface is electrically connected with the light receiving unit, and the other end of the double-fiber bidirectional LC interface is electrically connected with the light emitting unit.
According to some embodiments of the invention, the light receiving unit comprises:
the photoelectric conversion chip is used for converting an input optical signal into an electric signal;
the transimpedance amplification circuit is electrically connected with the photoelectric conversion chip and is used for performing transimpedance amplification on the electric signal output by the photoelectric conversion chip;
and the amplitude limiting amplifying circuit is electrically connected with the transimpedance amplifying circuit and the electrical interface unit and is used for amplitude limiting and amplifying the electrical signals output by the transimpedance amplifying circuit.
According to some embodiments of the invention, the digital diagnostic unit comprises:
the logic control circuit is electrically connected with the electrical interface unit and the amplitude limiting amplification circuit and is used for digitally diagnosing the electrical signal output by the amplitude limiting amplification circuit;
and the digital-to-analog converter is electrically connected with the logic control circuit, the transimpedance amplification circuit and the light emission unit and is used for performing digital-to-analog conversion on the electric signal output by the transimpedance amplification circuit and performing analog-to-digital conversion on the optical signal output by the light emission unit.
According to some embodiments of the invention, the light emitting unit comprises:
the de-emphasis/pre-emphasis circuit is electrically connected with the electrical interface unit and the logic control circuit and is used for carrying out de-emphasis/pre-emphasis processing on the electrical signals input by the electrical interface unit;
the laser driving circuit is electrically connected with the de/pre-emphasis circuit and the digital-to-analog converter;
and the laser transmitter is electrically connected with the laser driving circuit and is used for transmitting light signals according to the electric signals.
According to some embodiments of the present invention, the power supply unit includes a power supply controller for controlling the light receiving unit, the electrical interface unit, the digital diagnosis unit and the light emitting unit to be electrically opened or closed.
According to some embodiments of the present invention, the boost power supply unit comprises:
the boost power transmission circuit is electrically connected with the power supply unit and the logic control circuit and is used for performing boost power transmission on the power supply output of the power supply unit;
and the power supply metal part is electrically connected with the boosting power transmission circuit.
According to some embodiments of the invention, the one end of the power supply metalwork is provided with a telescopic spring.
According to some embodiments of the invention, the electrical interface unit is an SFP + connector interface unit.
Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.
Drawings
The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which the abstract is to be accorded full scope with any one of the accompanying drawings of which:
fig. 1 is a schematic structural diagram of an SFP + optical module according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of an SFP + optical module according to another embodiment of the present invention.
Description of reference numerals: the device comprises a light receiving unit 110, an electrical interface unit 120, a digital diagnosis unit 130, a power supply unit 140, a boosting power supply unit 150, a light emitting unit 160, a photoelectric conversion chip 111, a transimpedance amplification circuit 112, a limiting amplification circuit 113, a logic control circuit 131, a digital-to-analog converter 132, a de/pre-emphasis circuit 161, a laser driving circuit 162, a laser emitter 163, a boosting power transmission circuit 151 and a power supply metal part 152.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present invention, and should not be construed as limiting the present invention.
In the description of the present invention, it should be understood that the orientation or positional relationship indicated with respect to the orientation description, such as up, down, front, rear, left, right, etc., is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
In the description of the present invention, a plurality of means are one or more, a plurality of means are two or more, and the terms greater than, less than, exceeding, etc. are understood as not including the number, and the terms greater than, less than, within, etc. are understood as including the number. If the first and second are described for the purpose of distinguishing technical features, they are not to be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.
In the description of the present invention, unless there is an explicit limitation, the terms such as setting, installing, connecting, etc. should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meaning of the terms in the present invention by combining the specific contents of the technical solution.
Referring to fig. 1, fig. 1 is a schematic structural diagram of an SFP + optical module according to an embodiment of the present invention.
In one embodiment, an SFP + optical module includes: a light receiving unit 110 for converting an input optical signal into an electrical signal; an electrical interface unit 120 electrically connected to the light receiving unit 110; a digital diagnostic unit 130 electrically connected to the light receiving unit 110, the electrical interface unit 120 and the light emitting unit 160, the digital diagnostic unit 130 being configured to detect an electrical signal of the light receiving unit 110 and an optical signal of the light emitting unit 160; a power supply unit 140 electrically connected to the light receiving unit 110, the electrical interface unit 120, the digital diagnostic unit 130 and the light emitting unit 160, wherein the power supply unit 140 is used for providing power input; the boost power supply unit 150 is electrically connected with the power supply unit 140 and the digital diagnosis unit 130, and the output control of the boost power supply unit 150 is realized through the digital diagnosis unit 130; the optical transmitter 160 is electrically connected to the electrical interface unit 120, and the optical transmitter 160 is configured to convert the electrical signal of the electrical interface unit 120 into an optical signal and output the optical signal.
The SFP + optical module provided by this embodiment can reduce the deployment cost of the power supply module of the communication device, improve the power supply stability and reliability of the system, and simplify the operation and maintenance difficulty of the device. The power supply unit 140 can independently supply power in the Ethernet from 25Gb/s to 1000BASE, realizes the monitoring and control of the power supply unit 140 of the communication equipment by the optical module, simplifies the deployment process of the equipment, and reduces the maintenance and repair cost of the equipment.
In one embodiment, an SFP + optical module includes: a light receiving unit 110 for converting an input optical signal into an electrical signal; an electrical interface unit 120 electrically connected to the light receiving unit 110; a digital diagnostic unit 130 electrically connected to the light receiving unit 110, the electrical interface unit 120 and the light emitting unit 160, the digital diagnostic unit 130 being configured to detect an electrical signal of the light receiving unit 110 and an optical signal of the light emitting unit 160; a power supply unit 140 electrically connected to the light receiving unit 110, the electrical interface unit 120, the digital diagnostic unit 130 and the light emitting unit 160, wherein the power supply unit 140 is used for providing power supply input; the boost power supply unit 150 is electrically connected with the power supply unit 140 and the digital diagnosis unit 130, and the output control of the boost power supply unit 150 is realized through the digital diagnosis unit 130; the optical transmitter 160 is electrically connected to the electrical interface unit 120, and the optical transmitter 160 is configured to convert the electrical signal of the electrical interface unit 120 into an optical signal and output the optical signal. And a dual-fiber bidirectional LC interface, one end of which is electrically connected to the light receiving unit 110 and the other end of which is electrically connected to the light emitting unit 160.
Referring to fig. 2, fig. 2 is a schematic structural diagram of an SFP + optical module according to another embodiment of the present invention.
In one embodiment, an SFP + optical module includes: a light receiving unit 110 for converting an input optical signal into an electrical signal; an electrical interface unit 120 electrically connected to the light receiving unit 110; a digital diagnostic unit 130 electrically connected to the light receiving unit 110, the electrical interface unit 120 and the light emitting unit 160, the digital diagnostic unit 130 being configured to detect an electrical signal of the light receiving unit 110 and an optical signal of the light emitting unit 160; a power supply unit 140 electrically connected to the light receiving unit 110, the electrical interface unit 120, the digital diagnostic unit 130 and the light emitting unit 160, wherein the power supply unit 140 is used for providing power input; the boost power supply unit 150 is electrically connected with the power supply unit 140 and the digital diagnosis unit 130, and the output control of the boost power supply unit 150 is realized through the digital diagnosis unit 130; the optical transmitter 160 is electrically connected to the electrical interface unit 120, and the optical transmitter 160 is configured to convert the electrical signal of the electrical interface unit 120 into an optical signal and output the optical signal.
The light receiving unit 110 includes: a photoelectric conversion chip 111 for converting an input optical signal into an electrical signal; the transimpedance amplifier circuit 112 is electrically connected to the photoelectric conversion chip 111, and the transimpedance amplifier circuit 112 is used for transimpedance amplifying the electrical signal output by the photoelectric conversion chip 111; the amplitude limiting amplifying circuit 113 is electrically connected to the transimpedance amplifying circuit 112 and the electrical interface unit 120, and the amplitude limiting amplifying circuit 113 is configured to amplitude limit and amplify the electrical signal output by the transimpedance amplifying circuit 112.
In one embodiment, an SFP + optical module includes: a light receiving unit 110 for converting an input optical signal into an electrical signal; an electrical interface unit 120 electrically connected to the light receiving unit 110; a digital diagnostic unit 130 electrically connected to the light receiving unit 110, the electrical interface unit 120 and the light emitting unit 160, the digital diagnostic unit 130 being configured to detect an electrical signal of the light receiving unit 110 and an optical signal of the light emitting unit 160; a power supply unit 140 electrically connected to the light receiving unit 110, the electrical interface unit 120, the digital diagnostic unit 130 and the light emitting unit 160, wherein the power supply unit 140 is used for providing power input; the boost power supply unit 150 is electrically connected with the power supply unit 140 and the digital diagnosis unit 130, and the output control of the boost power supply unit 150 is realized through the digital diagnosis unit 130; the optical transmitter 160 is electrically connected to the electrical interface unit 120, and the optical transmitter 160 is configured to convert the electrical signal of the electrical interface unit 120 into an optical signal and output the optical signal.
The dual-fiber bidirectional LC interface is further included, one end of the dual-fiber bidirectional LC interface is electrically connected to the light receiving unit 110, and the other end of the dual-fiber bidirectional LC interface is electrically connected to the light emitting unit 160. The light receiving unit 110 includes: a photoelectric conversion chip 111 for converting an input optical signal into an electrical signal; the transimpedance amplifier circuit 112 is electrically connected to the photoelectric conversion chip 111, and the transimpedance amplifier circuit 112 is used for transimpedance amplifying the electrical signal output by the photoelectric conversion chip 111; the amplitude limiting amplifying circuit 113 is electrically connected to the transimpedance amplifying circuit 112 and the electrical interface unit 120, and the amplitude limiting amplifying circuit 113 is configured to amplitude limit and amplify the electrical signal output by the transimpedance amplifying circuit 112.
In one embodiment, an SFP + optical module includes: a light receiving unit 110 for converting an input optical signal into an electrical signal; an electrical interface unit 120 electrically connected to the light receiving unit 110; a digital diagnostic unit 130 electrically connected to the light receiving unit 110, the electrical interface unit 120 and the light emitting unit 160, the digital diagnostic unit 130 being configured to detect an electrical signal of the light receiving unit 110 and an optical signal of the light emitting unit 160; a power supply unit 140 electrically connected to the light receiving unit 110, the electrical interface unit 120, the digital diagnostic unit 130 and the light emitting unit 160, wherein the power supply unit 140 is used for providing power input; the boost power supply unit 150 is electrically connected with the power supply unit 140 and the digital diagnosis unit 130, and the output control of the boost power supply unit 150 is realized through the digital diagnosis unit 130; the light emitting unit 160 is electrically connected to the electrical interface unit 120, and the light emitting unit 160 is configured to convert the electrical signal of the electrical interface unit 120 into an optical signal and output the optical signal.
The dual-fiber bidirectional LC interface is further included, one end of the dual-fiber bidirectional LC interface is electrically connected to the light receiving unit 110, and the other end of the dual-fiber bidirectional LC interface is electrically connected to the light emitting unit 160. The light receiving unit 110 includes: a photoelectric conversion chip 111 for converting an input optical signal into an electrical signal; the transimpedance amplifier circuit 112 is electrically connected to the photoelectric conversion chip 111, and the transimpedance amplifier circuit 112 is used for transimpedance amplifying the electrical signal output by the photoelectric conversion chip 111; the amplitude limiting amplifying circuit 113 is electrically connected to the transimpedance amplifying circuit 112 and the electrical interface unit 120, and the amplitude limiting amplifying circuit 113 is configured to amplitude limit and amplify the electrical signal output by the transimpedance amplifying circuit 112.
The digital diagnosis unit 130 includes:
the logic control circuit 131 is electrically connected with the electrical interface unit 120 and the amplitude limiting amplification circuit 113, and the logic control circuit 131 is used for digitally diagnosing the electrical signal output by the amplitude limiting amplification circuit 113;
the digital-to-analog converter 132 is electrically connected to the logic control circuit 131, the transimpedance amplifier circuit 112, and the light emitting unit 160, and the digital-to-analog converter 132 is configured to perform digital-to-analog conversion on the electrical signal output by the transimpedance amplifier circuit 112 and perform analog-to-digital conversion on the optical signal output by the light emitting unit 160.
In one embodiment, an SFP + optical module includes: a light receiving unit 110 for converting an input optical signal into an electrical signal; an electrical interface unit 120 electrically connected to the light receiving unit 110; the digital diagnosis unit 130 is electrically connected with the light receiving unit 110, the electrical interface unit 120 and the light emitting unit 160, and the digital diagnosis unit 130 is used for detecting the electrical signal of the light receiving unit 110 and the optical signal of the light emitting unit 160; a power supply unit 140 electrically connected to the light receiving unit 110, the electrical interface unit 120, the digital diagnostic unit 130 and the light emitting unit 160, wherein the power supply unit 140 is used for providing power input; the boost power supply unit 150 is electrically connected with the power supply unit 140 and the digital diagnosis unit 130, and the output control of the boost power supply unit 150 is realized through the digital diagnosis unit 130; the optical transmitter 160 is electrically connected to the electrical interface unit 120, and the optical transmitter 160 is configured to convert the electrical signal of the electrical interface unit 120 into an optical signal and output the optical signal.
The light emitting unit 160 includes: a de/pre-emphasis circuit 161 electrically connected to the electrical interface unit 120 and the logic control circuit 131, wherein the de/pre-emphasis circuit 161 performs de/pre-emphasis processing on the electrical signal input from the electrical interface unit 120; a laser driving circuit 162 electrically connected to the de/pre-emphasis circuit 161 and the digital-to-analog converter 132; the laser emitter 163 is electrically connected to the laser driving circuit 162, and the laser emitter 163 is configured to emit an optical signal according to the electrical signal.
In one embodiment, an SFP + optical module includes: a light receiving unit 110 for converting an input optical signal into an electrical signal; an electrical interface unit 120 electrically connected to the light receiving unit 110; a digital diagnostic unit 130 electrically connected to the light receiving unit 110, the electrical interface unit 120 and the light emitting unit 160, the digital diagnostic unit 130 being configured to detect an electrical signal of the light receiving unit 110 and an optical signal of the light emitting unit 160; a power supply unit 140 electrically connected to the light receiving unit 110, the electrical interface unit 120, the digital diagnostic unit 130 and the light emitting unit 160, wherein the power supply unit 140 is used for providing power input; the boost power supply unit 150 is electrically connected with the power supply unit 140 and the digital diagnosis unit 130, and the output control of the boost power supply unit 150 is realized through the digital diagnosis unit 130; the optical transmitter 160 is electrically connected to the electrical interface unit 120, and the optical transmitter 160 is configured to convert the electrical signal of the electrical interface unit 120 into an optical signal and output the optical signal. The power supply unit 140 includes a power supply controller for controlling electrical on or off of the light receiving unit 110, the electrical interface unit 120, the digital diagnosis unit 130, and the light emitting unit 160.
In one embodiment, an SFP + optical module includes: a light receiving unit 110 for converting an input optical signal into an electrical signal; an electrical interface unit 120 electrically connected to the light receiving unit 110; a digital diagnostic unit 130 electrically connected to the light receiving unit 110, the electrical interface unit 120 and the light emitting unit 160, the digital diagnostic unit 130 being configured to detect an electrical signal of the light receiving unit 110 and an optical signal of the light emitting unit 160; a power supply unit 140 electrically connected to the light receiving unit 110, the electrical interface unit 120, the digital diagnostic unit 130 and the light emitting unit 160, wherein the power supply unit 140 is used for providing power input; the boost power supply unit 150 is electrically connected with the power supply unit 140 and the digital diagnosis unit 130, and the output control of the boost power supply unit 150 is realized through the digital diagnosis unit 130; the optical transmitter 160 is electrically connected to the electrical interface unit 120, and the optical transmitter 160 is configured to convert the electrical signal of the electrical interface unit 120 into an optical signal and output the optical signal.
The boost power supply unit 150 includes: a boost power transmission circuit 151 electrically connected to the power supply unit 140 and the logic control circuit 131, the boost power transmission circuit 151 configured to boost power output from the power supply unit 140; the power supply metal 152 is electrically connected to the boost power transmission circuit 151.
In one embodiment, an SFP + optical module includes: a light receiving unit 110 for converting an input optical signal into an electrical signal; an electrical interface unit 120 electrically connected to the light receiving unit 110; a digital diagnostic unit 130 electrically connected to the light receiving unit 110, the electrical interface unit 120 and the light emitting unit 160, the digital diagnostic unit 130 being configured to detect an electrical signal of the light receiving unit 110 and an optical signal of the light emitting unit 160; a power supply unit 140 electrically connected to the light receiving unit 110, the electrical interface unit 120, the digital diagnostic unit 130 and the light emitting unit 160, wherein the power supply unit 140 is used for providing power input; the boost power supply unit 150 is electrically connected with the power supply unit 140 and the digital diagnosis unit 130, and the output control of the boost power supply unit 150 is realized through the digital diagnosis unit 130; the optical transmitter 160 is electrically connected to the electrical interface unit 120, and the optical transmitter 160 is configured to convert the electrical signal of the electrical interface unit 120 into an optical signal and output the optical signal.
The boost power supply unit 150 includes: a boost power transmission circuit 151 electrically connected to the power supply unit 140 and the logic control circuit 131, the boost power transmission circuit 151 configured to boost power output from the power supply unit 140; the power supply metal member 152 is electrically connected to the boost power transmission circuit 151. One end of the power supply metal member 152 is provided with a telescopic spring.
In one embodiment, an SFP + optical module includes: a light receiving unit 110 for converting an input optical signal into an electrical signal; an electrical interface unit 120 electrically connected to the light receiving unit 110; a digital diagnostic unit 130 electrically connected to the light receiving unit 110, the electrical interface unit 120 and the light emitting unit 160, the digital diagnostic unit 130 being configured to detect an electrical signal of the light receiving unit 110 and an optical signal of the light emitting unit 160; a power supply unit 140 electrically connected to the light receiving unit 110, the electrical interface unit 120, the digital diagnostic unit 130 and the light emitting unit 160, wherein the power supply unit 140 is used for providing power supply input; the boost power supply unit 150 is electrically connected with the power supply unit 140 and the digital diagnosis unit 130, and the output control of the boost power supply unit 150 is realized through the digital diagnosis unit 130; the optical transmitter 160 is electrically connected to the electrical interface unit 120, and the optical transmitter 160 is configured to convert the electrical signal of the electrical interface unit 120 into an optical signal and output the optical signal. The electrical interface unit 120 is an SFP + connectorized interface unit.
The boosting power supply unit comprises a DC-DC boosting power transmission circuit and a power supply metal piece with an expansion spring, and a 3.3V working power supply of the module is boosted to the maximum 72V through a DC-DC chip so as to provide a 44V-72V direct-current stabilized power supply for the outside.
It should be noted that the transimpedance amplifier may be a GN7069E3 type transimpedance amplifier, the limiting amplification circuit may be a maldl-37030 type clock data recovery unit, the 20PIN electrical interface unit may be an SFP + connector interface unit, the digital diagnostic unit may be an EFMLN11F32N-QFN20 type micro processing unit, the de/pre-emphasis circuit may be a maldl-37030 type clock data recovery unit, the laser driver may be a maldl-37030 type laser driver, and the boost power supply circuit may be an SGM 61720.
The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made without departing from the gist of the present invention within the knowledge range of those skilled in the art.
Claims (9)
1. An SFP + optical module, comprising:
a light receiving unit for converting an input optical signal into an electrical signal;
the electrical interface unit is electrically connected with the light receiving unit;
the digital diagnosis unit is electrically connected with the light receiving unit, the electrical interface unit and the light emitting unit and is used for detecting the electrical signal of the light receiving unit and the optical signal of the light emitting unit;
the power supply unit is electrically connected with the light receiving unit, the electrical interface unit, the digital diagnosis unit and the light emitting unit and is used for providing power supply input;
the boosting power supply unit is electrically connected with the power supply unit and the digital diagnosis unit, and the digital diagnosis unit realizes the output control of the boosting power supply unit;
and the light emitting unit is electrically connected with the electrical interface unit and is used for converting the electrical signal of the electrical interface unit into an optical signal to be output.
2. The SFP + optical module of claim 1, further comprising:
and one end of the double-fiber bidirectional LC interface is electrically connected with the light receiving unit, and the other end of the double-fiber bidirectional LC interface is electrically connected with the light emitting unit.
3. An SFP + optical module as claimed in claim 1 or 2, characterized in that said light receiving unit comprises:
the photoelectric conversion chip is used for converting an input optical signal into an electric signal;
the transimpedance amplifying circuit is electrically connected with the photoelectric conversion chip and is used for performing transimpedance amplification on the electric signal output by the photoelectric conversion chip;
and the amplitude limiting amplifying circuit is electrically connected with the transimpedance amplifying circuit and the electrical interface unit and is used for amplitude limiting and amplifying the electrical signal output by the transimpedance amplifying circuit.
4. An SFP + optical module as claimed in claim 3, characterized in that said digital diagnostic unit comprises:
the logic control circuit is electrically connected with the electrical interface unit and the amplitude limiting amplification circuit and is used for digitally diagnosing the electrical signal output by the amplitude limiting amplification circuit;
and the digital-to-analog converter is electrically connected with the logic control circuit, the transimpedance amplification circuit and the light emission unit and is used for performing digital-to-analog conversion on the electric signal output by the transimpedance amplification circuit and performing analog-to-digital conversion on the optical signal output by the light emission unit.
5. The SFP + light module as claimed in claim 4, characterized in that said light emission unit comprises:
the de-emphasis/pre-emphasis circuit is electrically connected with the electrical interface unit and the logic control circuit and is used for carrying out de-emphasis/pre-emphasis processing on the electrical signals input by the electrical interface unit;
the laser driving circuit is electrically connected with the de/pre-emphasis circuit and the digital-to-analog converter;
and the laser transmitter is electrically connected with the laser driving circuit and is used for transmitting light signals according to the electric signals.
6. An SFP + optical module as claimed in claim 1, wherein said power supply unit comprises a power supply controller for controlling electrical on or off of said light receiving unit, said electrical interface unit, said digital diagnostic unit and said light emitting unit.
7. The SFP + optical module as claimed in claim 5, wherein the boost power supply unit comprises:
the boost power transmission circuit is electrically connected with the power supply unit and the logic control circuit and is used for performing boost power transmission on the power supply output of the power supply unit;
and the power supply metal part is electrically connected with the boosting power transmission circuit.
8. An SFP + optical module according to claim 7, wherein one end of the power supply metal member is provided with a telescopic spring.
9. The SFP + optical module of claim 1, wherein said electrical interface unit is an SFP + connector interface unit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220983345.3U CN217388715U (en) | 2022-04-22 | 2022-04-22 | SFP + optical module |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220983345.3U CN217388715U (en) | 2022-04-22 | 2022-04-22 | SFP + optical module |
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| CN217388715U true CN217388715U (en) | 2022-09-06 |
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| CN202220983345.3U Active CN217388715U (en) | 2022-04-22 | 2022-04-22 | SFP + optical module |
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