CN210488046U - Reset circuit and reset device of SFP optical module - Google Patents
Reset circuit and reset device of SFP optical module Download PDFInfo
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- CN210488046U CN210488046U CN201921758760.3U CN201921758760U CN210488046U CN 210488046 U CN210488046 U CN 210488046U CN 201921758760 U CN201921758760 U CN 201921758760U CN 210488046 U CN210488046 U CN 210488046U
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Abstract
The utility model relates to a reset circuit and a reset device of an SFP optical module, wherein the reset circuit of the SFP optical module comprises an SFP optical module for receiving a reset signal; the switch device is connected with the SFP optical module and is used for detecting whether to reset; and the reset unit is connected with the switch device and used for detecting whether the SFP optical module is in a state to be reset or not and outputting a reset signal when the SFP optical module is in the state to be reset. The utility model discloses a define the RS1 end of SFP optical module as the end that resets, when waiting to reset the state, for SFP optical module electricity resets through microprocessor output reset signal.
Description
Technical Field
The utility model relates to the field of photoelectric technology, especially, relate to a reset circuit and resetting means of SFP optical module.
Background
For an optical module, especially a high-end optical module with complexity, the state of the system is complex, the number of accesses of firmware programs is large, and according to the complex trigger condition and working state, the optical module is likely to enter a state which is not predefined before, so that the state of the module is likely to run away.
The current definition of the SFP optical module does not include the function of the reset pin and the response, the earliest SFP is the simplest photoelectric and electro-optical conversion and does not involve program control, and with the development of technology, the configurability, complexity and functionality of the SFP optical module rapidly develops, and the reset function requirement in the application of the SFP optical module is predictably increased.
At present, when the state of the SFP optical module is flown away, the simplest and most direct method is to pull out the optical module and then insert the optical module, and the module is powered off to realize resetting. This approach is not suitable for intelligent manufacturing and subsequent communication control automation.
Thus, the prior art has yet to be improved and enhanced.
SUMMERY OF THE UTILITY MODEL
In view of the foregoing disadvantages of the prior art, an object of the present invention is to provide a reset circuit and a reset unit for an SFP optical module to implement an electrical reset SPF + optical module.
In a first aspect, an embodiment of the present invention provides a reset circuit of an SFP optical module, including:
an SFP optical module for receiving a reset signal;
a switch device connected with the SFP optical module and used for switching whether to reset or not;
and the reset unit is connected with the switch device and is used for outputting a reset signal when detecting that the SFP optical module is in a to-be-reset state.
As a further improved technical solution, the reset unit includes a microcontroller and a pull-up resistor; and the reset end of the microcontroller is connected with one end of the pull-up resistor.
As a further improved technical solution, the switch device is a switch resistor, one end of the switch resistor is connected to the SFP optical module, and the other end of the switch resistor is connected to one end of the pull-up resistor and the reset end of the microcontroller.
As a further improved technical solution, a reset terminal of the SFP optical module is connected to the switch device.
As a further improved technical scheme, the other end of the pull-up resistor is connected with a direct current power supply.
As a further improved technical solution, the reset terminal is an RS1 terminal of the SFP optical module.
As a further improved technical solution, the reset circuit of the SFP optical module further includes a power supply module for supplying power to the SFP optical module and the reset unit.
In a second aspect, an embodiment of the present invention provides a reset device for an SFP optical module, including: the resetting means body still includes: the reset circuit comprises a circuit board arranged in a reset device body and the reset circuit of the SFP optical module, wherein the reset circuit is arranged on the circuit board.
Compared with the prior art, the embodiment of the utility model provides a have following advantage:
in the embodiment of the present invention, the reset circuit of the SFP optical module includes an SFP optical module for receiving a reset signal; a switch device connected with the SFP optical module and used for switching whether to reset or not; and the reset unit is connected with the switch device and is used for outputting a reset signal when detecting that the SFP optical module is in a to-be-reset state. The utility model discloses a define the RS1 end of SFP optical module as the end that resets, when waiting to reset the state, for SFP optical module electricity resets through microprocessor output reset signal.
Drawings
Fig. 1 is a block diagram of a reset circuit of an SFP optical module according to an embodiment of the present invention;
fig. 2 is a circuit diagram of a reset circuit of an SFP optical module according to an embodiment of the present invention;
fig. 3 is a schematic diagram of a reset unit of an SFP optical module according to an embodiment of the present invention.
Detailed Description
The utility model provides a reset circuit and the unit that resets of SFP optical module to the realization is when treating reset state, and through microprocessor output reset signal for SFP optical module electricity resets.
The present invention is described in more detail in order to facilitate the explanation of the technical idea, the technical problem solved, the technical features of the technical solution, and the technical effects brought by the present invention. The description of the embodiments is not intended to limit the scope of the present invention. Further, the technical features of the embodiments described below may be combined with each other as long as they do not conflict with each other.
Referring to fig. 1, the present invention provides a reset circuit of an SFP optical module, which includes an SFP optical module 100 for receiving a reset signal; a switch device 200 connected to the SFP optical module and used for switching whether to reset; and a reset unit 300 connected to the switch device and configured to output a reset signal when detecting that the SFP optical module is in a to-be-reset state.
In the embodiment of the present invention, the SFP optical module has no proprietary reset signal due to historical reasons such as the definition of the early SFP, and the significance of the reset signal lies in the complexity of the module and the corresponding controllability, and the SFP has been developed rapidly, and the complexity thereof has caught up with and exceeded the early XFP optical module. Most optical modules have a dedicated pin as an electrical reset of the module, for example, pin 21 of the XFP optical module: RSTn is the reset terminal and the 9 th pin of the QSFP optical module: ResetL is a reset terminal, and pin 9 of the OSFP optical module: Rstn/RS1 is the reset terminal. The utility model provides an improve the SFP optical module, make the SFP module realize the electricity and reset to realize downward compatibility.
In an embodiment of the present invention, the reset unit 300 includes a microcontroller U1 and a pull-up resistor R1; the reset terminal RST/C2C of the microcontroller U1 is connected with one end of the R1 of the pull-up resistor. The other end of the pull-up resistor R1 is connected with a direct current power supply VCC.
In the embodiment of the utility model, because the SFP optical module itself does not have the port that resets, need select a pin as the port that resets, on the definition of SFP optical module, the 9 th foot is RS1, the hardware speed of mainly used Fiber Channel in using selects, nevertheless along with the perfection of SFF-8472 agreement, the speed of hardware selects the RS function and becomes redundant, consequently, the utility model is used for being suitable as the port that resets.
In an embodiment of the present invention, the reset terminal is an RS1 terminal of the SFP optical module. In the reset unit 300, the pull-up resistor R1 is configured to stabilize the RST/C2C terminal of the microcontroller U1 at a high level when the microcontroller U1 is operating as in the normal operation.
In order to be compatible with the legacy definition, with the switching device 200, when the SFP optical module does not need to be reset, the RS1 terminal of the microcontroller U1 is still used for hardware rate selection in the Fiber Channel application, and the whole optical module is downward compatible with the legacy definition.
Referring to fig. 2, in an embodiment of the present invention, the switch device 200 may be a switch resistor R2, one end of the switch resistor R2 is connected to the SFP optical module 100, and the other end of the switch resistor R2 is connected to one end of the pull-up resistor R1 and the reset terminal RST/C2C of the microcontroller U1.
In the embodiment of the utility model, when switch resistance R2 is empty to paste (i.e. not weld), the 9 th pin of SFP optical module still is the RS1 function, and whole module interface is compatible tradition definition downwards, and when switch resistance R2 was the welding, the 9 th pin of SFP optical module was the reset function. Specifically, the current or the voltage of the pin is detected by the existing detection method, when a current signal or a voltage signal exists on the 9 th pin, that is, the 9 th pin of the SFP optical module is conducted with the RST/C2C end of the microprocessor, a signal can be transmitted, which indicates that the switch resistor R2 is welded, when the switch resistor R2 on the 9 th pin is detected to be welded, the 9 th pin of the SFP optical module is a reset function, and at this time, a reset signal is applied to the RS1 end, which can reset the whole AFP + optical module. When the SFP optical module detects that the resistor on the 9 th pin is not welded, the 9 th pin of the SFP optical module does not support the reset function, and the reset of the SFP optical module can be realized only by selecting a conventional plugging and unplugging mode, that is, the switch resistor R2 is used to switch the reset function and the function defined by the conventional SFP optical module.
In another implementation manner, when the SFP optical module detects that the switch resistor R2 on the 9 th pin is not welded, the SFP optical module sends an electrical reset failure signal to the microprocessor, and the microprocessor may prompt a user through an external circuit, where electrical reset is not possible, for example, an indicator light of the external circuit flashes to notify the user of the electrical reset failure, so that the user can timely implement reset of the SFP optical module by using a conventional plugging and unplugging manner.
In another implementation, the switching device 200 may be an active switch.
In the embodiment of the present invention, in the following scenarios, the SFP optical module needs to be reset, and when the SFP optical module needs to be stopped and the current state is cleared, the SFP optical module needs to be reset; when the positioning module has a problem, the SFP optical module needs to be reset; reducing the power consumption of the optical module, and resetting the SFP optical module; the microcontroller downloads a firmware program and needs to reset the SFP optical module, or the SFP optical module needs to be reset in other scenes. When the SFP optical module needs to be reset, a signal to be reset is sent to the microcontroller U1, and whether a switch resistor is welded or not is detected; the microcontroller U1 receives a signal to be reset, and outputs a reset signal from the reset terminal RST/C2C to the SFP optical module according to the signal to be reset; when the switch is in resistance welding, the RS1 end of the SFP optical module receives a reset signal to complete the reset of the SFP optical module.
In the embodiment of the present invention, the mode that microcontroller U1 receives the signal to be reset may be that, the external reset button is pressed, then microcontroller U1 receives the signal to be reset, and the mode that microcontroller U1 receives the signal to be reset may also be that microcontroller U1 receives the reset signal that other equipment sent, and microcontroller U1 may adopt the chip of C805 series, for example, the chip of C8050F 005-GRQ.
In an embodiment of the present invention, the reset circuit of the SFP optical module further includes a power module, and the power module is the SFP optical module and the reset unit supply power.
Referring to fig. 3, the present invention also provides a corresponding resetting device for an SFP optical module, which includes a resetting device body 500, and is characterized by further including: a circuit board arranged in the reset device body, and the reset circuit 501 of the SFP optical module, wherein the reset circuit 501 is arranged on the circuit board. Since the reset circuit of the SFP optical module has been described in detail, it will not be described in detail here. As should be understood, the reset unit of the SFP optical module of the present embodiment adopts the technical solution of the reset circuit of the SFP optical module, so that the reset unit of the SFP optical module has all the beneficial effects of the reset circuit of the SFP optical module.
To sum up, in the embodiment of the present invention, the reset circuit of the SFP optical module includes an SFP optical module for receiving a reset signal; a switch device connected with the SFP optical module and used for switching whether to reset or not; and the reset unit is connected with the switch device and is used for outputting a reset signal when detecting that the SFP optical module is in a to-be-reset state. The utility model discloses a define the RS1 end of SFP optical module as the end that resets, when waiting to reset the state, for SFP optical module electricity resets through microprocessor output reset signal.
It is understood that equivalents and changes may be made to the technical solution of the present invention and its concept by those skilled in the art, and all such changes and substitutions shall fall within the scope of the appended claims.
Claims (8)
1. A reset circuit of an SFP optical module is characterized by comprising:
an SFP optical module for receiving a reset signal;
a switch device connected with the SFP optical module and used for switching whether to reset or not;
and the reset unit is connected with the switch device and is used for outputting a reset signal when detecting that the SFP optical module is in a to-be-reset state.
2. The reset circuit of an SFP optical module as claimed in claim 1, wherein the reset unit comprises a microcontroller and a pull-up resistor; and the reset end of the microcontroller is connected with one end of the pull-up resistor.
3. The reset circuit of an SFP optical module as claimed in claim 2, wherein the switch device is a switch resistor, one end of the switch resistor is connected to the SFP optical module, and the other end of the switch resistor is connected to one end of the pull-up resistor and the reset terminal of the microcontroller.
4. The reset circuit of an SFP optical module as claimed in claim 2, wherein the other end of the pull-up resistor is connected to a dc power supply.
5. The reset circuit of an SFP optical module as claimed in claim 1, wherein the reset terminal of the SFP optical module is connected to the switch device.
6. The reset circuit of an SFP optical module as claimed in claim 5, wherein said reset terminal is an RS1 terminal of said SFP optical module.
7. The reset circuit of an SFP optical module as claimed in claim 1, further comprising a power supply module for supplying power to the SFP optical module and the reset unit.
8. A reset device of an SFP optical module comprises: the resetting means body, its characterized in that still includes: a circuit board disposed in the reset device body, and a reset circuit of the SFP optical module as claimed in any one of claims 1 to 7, the reset circuit being disposed on the circuit board.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921758760.3U CN210488046U (en) | 2019-10-18 | 2019-10-18 | Reset circuit and reset device of SFP optical module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921758760.3U CN210488046U (en) | 2019-10-18 | 2019-10-18 | Reset circuit and reset device of SFP optical module |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210488046U true CN210488046U (en) | 2020-05-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921758760.3U Active CN210488046U (en) | 2019-10-18 | 2019-10-18 | Reset circuit and reset device of SFP optical module |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210488046U (en) |
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2019
- 2019-10-18 CN CN201921758760.3U patent/CN210488046U/en active Active
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