A dual optical module
By designing a dual-channel optical module, combining fiber optic transceiver circuits, current limiting circuits, and self-locking circuits, two-way bidirectional communication via single fiber was achieved, solving the problem of low integration in existing optical modules, reducing costs, and improving port utilization.
Patent Information
- Application Number
- CN202423019453.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-09
- Publication Date
- 2025-11-25
- Estimated Expiration
- 2034-12-09
AI Technical Summary
Existing optical modules have low integration levels and cannot meet high bandwidth requirements, resulting in increased usage costs and low utilization of switch ports.
Design a dual-path optical module comprising multiple fiber optic transceiver circuits, current limiting circuits, and OR gates. Through the combination of fiber optic transceivers, drivers, and self-locking circuits, two-way bidirectional communication between single fibers is achieved. The current limiting circuit provides power supply, the self-locking circuit provides status feedback, and the OR gate is used for working status feedback.
It achieves a highly integrated dual-path optical module, reducing usage costs, improving switch port utilization, and is small in size with wide applicability.
Smart Images
Figure CN223599866U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to optical module circuit technical field more specifically, relate to a double -way optical module. BACKGROUND
[0002] The existing optical module mostly only supports one -way single -fiber bidirectional communication or double -fiber one -fiber receives one -fiber and carries out bidirectional communication, and there is low integration, needs more bandwidth to need to increase optical module and uses more port switch, greatly increases the use cost, has been unable to satisfy people's use demand. UTILITY MODEL CONTENTS
[0003] The utility model solves technical problems at, in view of above -mentioned defects of prior art, provide a double -way optical module with high integration, improve the utilization rate of the port of switch, simple circuit, small, low -cost.
[0004] The utility model adopts the technical scheme that solves its technical problems:
[0005] Constitute a double -way optical module, including multiple optical fiber transceiver circuit and current -limiting circuit and or gate, wherein, the optical fiber transceiver circuit includes: optical fiber transceiver and driver and self -locking circuit, the optical fiber transceiver with the driver is connected, the optical fiber transceiver with the self -locking circuit all with the driver is connected, the optical fiber transceiver is used to insert optical fiber and transmits optical fiber signal;
[0006] Multiple optical fiber transceiver circuit includes: first optical fiber transceiver circuit and second optical fiber transceiver circuit, first optical fiber transceiver circuit and second optical fiber transceiver circuit all with or gate is connected, and or gate is connected with connector;
[0007] The current -limiting circuit is connected with the connector and first optical fiber transceiver circuit and second optical fiber transceiver circuit respectively;
[0008] The driver is connected with the connector, and the connector is detachably electrically connected with external switch and carries out electric signal communication, and the optical fiber transceiver is used for photoelectric interconversion, and the driver is used for data forwarding and drives the optical fiber transceiver to work and carries out photoelectric interconversion.
[0009] The double -way optical module, wherein the current -limiting circuit is connected with the connector and first optical fiber transceiver circuit and second optical fiber transceiver circuit respectively;
[0010] Multiple direct current includes: first direct current and second direct current;
[0011] The first direct current provides power supply for the first optical fiber transceiver circuit, and the second direct current provides power supply for the second optical fiber transceiver circuit.
[0012] The self-locking circuit is used for outputting the anode of the first direct current or the anode of the second direct current to the driver according to a trigger signal output by the optical fiber transceiver.
[0013] The or gate is used for feeding back the working states of the first optical fiber transceiver circuit and the second optical fiber transceiver circuit to the switch.
[0014] The current limiting circuit comprises a field effect tube, a first resistor and a second resistor.
[0015] The S1 end of the field effect tube is connected with the VccR end of the connector, and the S2 end is connected with the VccT end of the connector.
[0016] The D1 end of the field effect tube outputs the first direct current, and the D2 end outputs the second direct current.
[0017] The RS1- end of the optical fiber transceiver is connected with a first capacitor, and the RS1+ end is connected with a second capacitor.
[0018] The LD- end of the optical fiber transceiver is connected with a fourth resistor, a fifth resistor and a first inductor.
[0019] The MD1 end of the optical fiber transceiver is further connected with a seventh resistor, and the other end of the seventh resistor is connected with the IPIN end of the driver.
[0020] The utility model discloses a dual -path optical module, wherein, the third capacitor is connected to the driver's RxOUT - end and the fourth capacitor is connected to the RxOUT + end, and the eighth resistance is also connected in parallel to the driver's RxOUT - end and the RxOUT + end, the other end of the third capacitor is the first signal end of the optical fiber transceiver circuit, and the other end of the fourth capacitor is the second signal end of the optical fiber transceiver circuit.
[0021] The SCL_S end of the driver is the third signal end of the optical fiber transceiver circuit and the SDA_S end is the fourth signal end of the optical fiber transceiver circuit.
[0022] The TXIN + end of the driver is the fifth signal end of the optical fiber transceiver circuit and the TXIN - end is the sixth signal end of the optical fiber transceiver circuit.
[0023] The TXDIS / S end of the driver is the seventh signal end of the optical fiber transceiver circuit and the FAULT end is the eighth signal end of the optical fiber transceiver circuit, the FAULT end of the driver is also connected with the ninth resistance, and the other end of the ninth resistance is connected with the positive pole of the direct current.
[0024] The LOS end of the driver is connected with the tenth resistance, the other end of the tenth resistance is connected with the positive pole of the direct current, and the LOS end of the driver is the ninth signal end of the optical fiber transceiver circuit.
[0025] The utility model discloses a dual -path optical module, wherein, the self -locking circuit includes: triode,
[0026] The E1 end and the E2 end of the triode are connected and also connected with the positive pole of the direct current, the B1 end and the B2 end and the C1 end of the triode are connected and also connected with the VPD1 end of the optical fiber transceiver, and the C2 end of the triode is connected with the ADC-V / I end of the driver.
[0027] The utility model discloses a dual -path optical module, wherein, the A end of the or gate is connected with the eighth signal end of the first optical fiber transceiver circuit and the B end is connected with the eighth signal end of the second optical fiber transceiver circuit, and the Y end of the or gate is connected with the TX_Fault end of the connector.
[0028] The utility model discloses a dual -path optical module, wherein, first the signal end of first optical fiber transceiver, second signal end, third signal end, fourth signal end and seventh signal end and ninth signal end are in order of seniority with the RD1 - end of connector, RD1 + end, MOD-DEF1 end, MOD-DEF2 end and TX1_Disable end and the one-to-one connection of LOS1 end, the fifth signal end of first optical fiber transceiver is connected with the fifth electric capacity and eleventh resistance and the other end of sixth signal end is connected with eleventh resistance and still is connected with the sixth electric capacity, the other end of fifth electric capacity is connected with the TD1 + end of connector, the other end of sixth electric capacity is connected with the TD1 - end of connector, the first signal end of second optical fiber transceiver, second signal end, third signal end, fourth signal end and seventh signal end and ninth signal end are in order of seniority with the RD2 - end of connector, RD2 + end, MOD-DEF1 end, MOD-DEF2 end and TX2_Disable end and the one-to-one connection of LOS2 end, the fifth signal end of second optical fiber transceiver is connected with the seventh electric capacity and twelfth resistance and the other end of sixth signal end is connected with twelfth resistance and still is connected with the eighth electric capacity, the other end of seventh electric capacity is connected with the TD2 + end of connector, the other end of eighth electric capacity is connected with the TD2 - end of connector, the MOD-DEF1 end of connector is connected with thirteenth resistance and MOD-DEF2 end is connected with the fourteenth resistance, and the other end of thirteenth resistance and the other end of fourteenth resistance are all connected with the anode of first direct current.
[0029] The utility model discloses a dual -path optical module, wherein, first the signal end of first optical fiber transceiver, second signal end, third signal end, fourth signal end and seventh signal end and ninth signal end are in order of seniority with the RD1 - end of connector, RD1 + end, MOD-DEF1 end, MOD-DEF2 end and TX1_Disable end and the one-to-one connection of LOS1 end, the fifth signal end of first optical fiber transceiver is connected with the fifth electric capacity and eleventh resistance and the other end of sixth signal end is connected with eleventh resistance and still is connected with the sixth electric capacity, the other end of fifth electric capacity is connected with the TD1 + end of connector, the other end of sixth electric capacity is connected with the TD1 - end of connector, the first signal end of second optical fiber transceiver, second signal end, third signal end, fourth signal end and seventh signal end and ninth signal end are in order of seniority with the RD2 - end of connector, RD2 + end, MOD-DEF1 end, MOD-DEF2 end and TX2_Disable end and the one-to-one connection of LOS2 end, the fifth signal end of second optical fiber transceiver is connected with the seventh electric capacity and twelfth resistance and the other end of sixth signal end is connected with twelfth resistance and still is connected with the eighth electric capacity, the other end of seventh electric capacity is connected with the TD2 + end of connector, the other end of eighth electric capacity is connected with the TD2 - end of connector, the MOD-DEF1 end of connector is connected with thirteenth resistance and MOD-DEF2 end is connected with the fourteenth resistance, and the other end of thirteenth resistance and the other end of fourteenth resistance are all connected with the anode of first direct current.
[0030] The utility model discloses a dual -path optical module, wherein, first the signal end of first optical fiber transceiver, second signal end, third signal end, fourth signal end and seventh signal end and ninth signal end are in order of seniority with the RD1 - end of connector, RD1 + end, MOD-DEF1 end, MOD-DEF2 end and TX1_Disable end and the one-to-one connection of LOS1 end, the fifth signal end of first optical fiber transceiver is connected with the fifth electric capacity and eleventh resistance and the other end of sixth signal end is connected with eleventh resistance and still is connected with the sixth electric capacity, the other end of fifth electric capacity is connected with the TD1 + end of connector, the other end of sixth electric capacity is connected with the TD1 - end of connector, the first signal end of second optical fiber transceiver, second signal end, third signal end, fourth signal end and seventh signal end and ninth signal end are in order of seniority with the RD2 - end of connector, RD2 + end, MOD-DEF1 end, MOD-DEF2 end and TX2_Disable end and the one-to-one connection of LOS2 end, the fifth signal end of second optical fiber transceiver is connected with the seventh electric capacity and twelfth resistance and the other end of sixth signal end is connected with twelfth resistance and still is connected with the eighth electric capacity, the other end of seventh electric capacity is connected with the TD2 + end of connector, the other end of eighth electric capacity is connected with the TD2 - end of connector, the MOD-DEF1 end of connector is connected with thirteenth resistance and MOD-DEF2 end is connected with the fourteenth resistance, and the other end of thirteenth resistance and the other end of fourteenth resistance are all connected with the anode of first direct current.
[0031] The utility model discloses a dual -path optical module, wherein, first the signal end of first optical fiber transceiver, second signal end, third signal end, fourth signal end and seventh signal end and ninth signal end are in order of seniority with the RD1 - end of connector, RD1 + end, MOD-DEF1 end, MOD-DEF2 end and TX1_Disable end and the one-to-one connection of LOS1 end, the fifth signal end of first optical fiber transceiver is connected with the fifth electric capacity and eleventh resistance and the other end of sixth signal end is connected with eleventh resistance and still is connected with the sixth electric capacity, the other end of fifth electric capacity is connected with the TD1 + end of connector, the other end of sixth electric capacity is connected with the TD1 - end of connector, the first signal end of second optical fiber transceiver, second signal end, third signal end, fourth signal end and seventh signal end and ninth signal end are in order of seniority with the RD2 - end of connector, RD2 + end, MOD-DEF1 end, MOD-DEF2 end and TX2_Disable end and the one-to-one connection of LOS2 end, the fifth signal end of second optical fiber transceiver is connected with the seventh electric capacity and twelfth resistance and the other end of sixth signal end is connected with twelfth resistance and still is connected with the eighth electric capacity, the other end of seventh electric capacity is connected with the TD2 + end of connector, the other end of eighth electric capacity is connected with the TD2 - end of connector, the MOD-DEF1 end of connector is connected with thirteenth resistance and MOD-DEF2 end is connected with the fourteenth resistance, and the other end of thirteenth resistance and the other end of fourteenth resistance are all connected with the anode of first direct current. BRIEF DESCRIPTION OF DRAWINGS
[0032] In order to make the purpose, technical scheme and advantages of the embodiments of the present application more clear, the following will make a clear and complete description of the technical scheme in the embodiments of the present application. Obviously, the described embodiments are part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments of the present application, all the other embodiments obtained by the person of ordinary skill in the art without creative labor are within the protection scope of the present application.
[0033] Figure 1 The circuit principle diagram of the optical fiber transceiver circuit of the dual-path optical module of the preferred embodiment of the present application is shown in
[0034] Figure 2 The circuit principle diagram of the current limiting circuit of the dual-path optical module of the preferred embodiment of the present application is shown in
[0035] Figure 3 The circuit principle diagram of the OR gate of the dual-path optical module of the preferred embodiment of the present application is shown in
[0036] Figure 4 The circuit principle diagram of the connector of the dual-path optical module of the preferred embodiment of the present application is shown in DETAILED DESCRIPTION
[0037] In order to make the purpose, technical scheme and advantages of the embodiments of the present application more clear, the following will make a clear and complete description of the technical scheme in the embodiments of the present application. Obviously, the described embodiments are part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments of the present application, all the other embodiments obtained by the person of ordinary skill in the art without creative labor are within the protection scope of the present application.
[0038] The dual-path optical module of the preferred embodiment of the present application is shown in Figure 1 , and reference is made to Figures 2 to 4 ; comprising a plurality of optical fiber transceiver circuits 100 and current limiting circuits 200 and OR gates U5; wherein the optical fiber transceiver circuit 100 comprises: optical fiber transceivers J2A, J2B (the optical fiber transceivers are customized optical fiber transceivers) and a driver U3 and a self-locking circuit 110, the optical fiber transceivers J2A, J2B are connected with the driver U3, the optical fiber transceivers J2A, J2B and the self-locking circuit 110 are all connected with the driver U3, and the optical fiber transceivers J2A, J2B are used for inserting optical fibers and transceiving optical fiber signals;
[0039] The plurality of optical fiber transceiver circuits 100 comprises: a first optical fiber transceiver circuit 100 and a second optical fiber transceiver circuit 100, the first optical fiber transceiver circuit 100 and the second optical fiber transceiver circuit 100 are both connected with the OR gate U5, and the OR gate U5 is connected with a connector J4 (the connector is a gold finger);
[0040] The current limiting circuit 200 is connected with the connector J4 and the first fiber transceiver circuit 100 and the second fiber transceiver circuit 100 respectively;
[0041] The driver U3 is connected with the connector J4, the connector J4 is detachably connected with an external switch for electrical signal communication, the fiber transceivers J2A and J2B are used for photoelectric conversion, and the driver U3 is used for data forwarding and driving the fiber transceivers J2A and J2B to work for photoelectric conversion.
[0042] The fiber transceivers J2A and J2B are connected with the driver U3, the fiber transceivers J2A and J2B and the self-locking circuit 110 are connected with the driver U3, the fiber transceivers J2A and J2B are used for inserting optical fibers and transceiving optical fiber signals, the first fiber transceiver circuit 100 and the second fiber transceiver circuit 100 are connected with the OR gate U5, the OR gate U5 is connected with the connector J4, the current limiting circuit 200 is connected with the connector J4 and the first fiber transceiver circuit 100 and the second fiber transceiver circuit 100 respectively, the driver U3 is connected with the connector J4, the connector J4 is detachably connected with an external switch for electrical signal communication, the fiber transceivers J2A and J2B are used for photoelectric conversion, and the driver U3 is used for data forwarding and driving the fiber transceivers J2A and J2B to work for photoelectric conversion. The current limiting circuit 200 is used for providing power limiting supply for the fiber transceiver circuit 100, the self-locking circuit 110 is used for outputting direct current to the driver U3 according to the trigger signal output by the fiber transceivers J2A and J2B, and the OR gate U5 is used for feeding back the working states of the first fiber transceiver circuit 100 and the second fiber transceiver circuit 100 to the switch. Thus, two-way single-fiber communication is supported in one module, the integration degree is high, the use cost is low, the volume is small, and the applicability is wide.
[0043] As shown in Figure 1 and Figure 2 and Figure 4 The current limiting circuit 200 takes power from the connector J4 and outputs multiple direct currents to multiple fiber transceiver circuits 100 to improve safety.
[0044] The multiple direct currents include a first direct current and a second direct current.
[0045] The first direct current provides power supply for the first fiber transceiver circuit 100, and the second direct current provides power supply for the second fiber transceiver circuit 100.
[0046] As shown in Figure 1 The self-locking circuit 110 is used for outputting the positive pole of the first direct current or the positive pole of the second direct current to the driver U3 according to the trigger signal output by the fiber transceivers J2A and J2B, performing state triggering or voltage detection, and meeting different use requirements.
[0047] As shown inFigure 1 The OR gate U5 is used to feed back the working state of the first and second fiber transceiver circuits 100 to the switch, for example, fault feedback.
[0048] As shown in Figure 2 and Figure 4 The current limiting circuit 200 includes a field effect transistor Q1, a first resistor R61 and a second resistor R60.
[0049] The S1 end of the field effect transistor Q1 is connected to the VccR end of the connector J4, and the S2 end is connected to the VccT end of the connector J4. The G1 end of the field effect transistor Q1 is connected to the first resistor R61, and the G2 end is connected to the second resistor R60. The other ends of the first resistor R61 and the second resistor R60 are both grounded.
[0050] The D1 end of the field effect transistor Q1 outputs the first direct current, and the D2 end outputs the second direct current. The current limiting voltage drop is reduced by using the field effect transistor Q1.
[0051] As shown in Figure 1 The RS1- end of the fiber transceiver J2A, J2B is connected to the first capacitor C1, and the RS1+ end is connected to the second capacitor C4. The other end of the first capacitor C1 and the other end of the second capacitor C4 are also connected in parallel to the third resistor R1. The other end of the first capacitor C1 and the other end of the second capacitor C4 are connected to the RXIN+ end and the RXIN- end of the driver U3 in the order of one-to-one.
[0052] The LD- end of the fiber transceiver J2A, J2B is connected to the fourth resistor R19, the fifth resistor R21 and the first inductor L1. The other end of the fourth resistor R19 is connected to the TXOUT+ end of the driver U3. The other end of the fifth resistor R21 is connected to the other end of the first inductor L1 and also connected to the sixth resistor R65. The other end of the sixth resistor R65 is connected to the TxBIAS end of the driver U3. The LD+ end of the fiber transceiver J2A, J2B is connected to the second inductor L2 and the fifteenth resistor R18. The other end of the fifteenth resistor R18 is connected to the TXOUT- end of the driver U3. The other end of the second inductor L2 is connected to the positive electrode of the direct current. The current is smoothed, and the voltage is stabilized.
[0053] The MD1 end of the fiber transceiver J2A, J2B is also connected to the seventh resistor R22. The other end of the seventh resistor R22 is connected to the IPIN end of the driver U3. The stability is improved, the circuit is simple, and the cost is low.
[0054] As shown in Figure 1As shown, the RxOUT- end of the driver U3 is connected with the third capacitor C7 and the RxOUT+ end is connected with the fourth capacitor C11, and the RxOUT- end and the RxOUT+ end of the driver U3 are also connected in parallel with the eighth resistor R8, the other end of the third capacitor C7 is the first signal end of the fiber transceiver circuit 100, and the other end of the fourth capacitor C11 is the second signal end of the fiber transceiver circuit 100; the stability is improved, the circuit is simple, and the cost is low.
[0055] The SCL_S end of the driver U3 is the third signal end of the fiber transceiver circuit 100 and the SDA_S end is the fourth signal end of the fiber transceiver circuit 100.
[0056] The TXIN+ end of the driver U3 is the fifth signal end of the fiber transceiver circuit 100 and the TXIN- end is the sixth signal end of the fiber transceiver circuit 100.
[0057] The TXDIS / S end of the driver U3 is the seventh signal end of the fiber transceiver circuit 100 and the FAULT end is the eighth signal end of the fiber transceiver circuit 100, the FAULT end of the driver U3 is also connected with the ninth resistor R23, and the other end of the ninth resistor R23 is connected with the positive pole of the direct current.
[0058] The LOS end of the driver U3 is connected with the tenth resistor R64, the other end of the tenth resistor R64 is connected with the positive pole of the direct current, and the LOS end of the driver U3 is the ninth signal end of the fiber transceiver circuit 100.
[0059] As shown in Figure 1 The self-locking circuit 110 includes a triode U2.
[0060] The E1 end and the E2 end of the triode U2 are connected and also connected with the positive pole of the direct current, the B1 end, the B2 end and the C1 end of the triode U2 are connected and also connected with the VPD1 end of the fiber transceiver J2A and J2B, and the C2 end of the triode U2 is connected with the ADC-V / I end of the driver U3; the circuit is simple, the cost is low.
[0061] As shown in Figure 1 and Figure 2 and Figure 4 The A end of the OR gate U5 is connected with the eighth signal end of the first fiber transceiver circuit 100 and the B end is connected with the eighth signal end of the second fiber transceiver circuit 100, and the Y end of the OR gate U5 is connected with the TX_Fault end of the connector J4; the circuit is simple, the cost is low, and the use demand of state feedback is met by using the OR gate U5.
[0062] As shown in Figure 1 and Figure 4As shown, the first signal end, the second signal end, the third signal end, the fourth signal end and the seventh signal end and the ninth signal end of the first fiber optic transceiver J2A, J2B are connected with the RD1- end, the RD1+ end, the MOD-DEF1 end, the MOD-DEF2 end and the TX1_Disable end and the LOS1 end of the connector J4 in turn in the order of sequence one by one; the fifth signal end of the first fiber optic transceiver J2A, J2B is connected with the fifth capacitor C28 and the eleventh resistor R50 and the other end of the eleventh resistor R50 is connected with the sixth signal end and is also connected with the sixth capacitor C29, the other end of the fifth capacitor C28 is connected with the TD1+ end of the connector J4, the other end of the sixth capacitor C29 is connected with the TD1- end of the connector J4;
[0063] The first signal end, the second signal end, the third signal end, the fourth signal end and the seventh signal end and the ninth signal end of the second fiber optic transceiver J2A, J2B are connected with the RD2- end, the RD2+ end, the MOD-DEF1 end, the MOD-DEF2 end and the TX2_Disable end and the LOS2 end of the connector J4 in turn in the order of sequence one by one; the fifth signal end of the second fiber optic transceiver J2A, J2B is connected with the seventh capacitor C26 and the twelfth resistor R47 and the other end of the twelfth resistor R47 is connected with the sixth signal end and is also connected with the eighth capacitor C25, the other end of the seventh capacitor C26 is connected with the TD2+ end of the connector J4, the other end of the eighth capacitor C25 is connected with the TD2- end of the connector J4;
[0064] The MOD-DEF1 end of the connector J4 is connected with the thirteenth resistor R38 and the MOD-DEF2 end is connected with the fourteenth resistor R39, the other end of the thirteenth resistor R38 and the other end of the fourteenth resistor R39 are both connected with the positive pole of the first direct current; the stability is improved, the circuit is simple and the cost is low.
[0065] It should be understood that the above description can be improved or changed by those skilled in the art, and all these improvements and changes shall belong to the protection scope of the appended claims of the utility model.
Claims
1. A dual optical module comprising a plurality of optical fiber transceiver circuits and a current limiting circuit and an OR gate; characterized in that, The optical fiber transceiver circuit comprises an optical fiber transceiver, a driver and a self-locking circuit, the optical fiber transceiver is connected with the driver, and the optical fiber transceiver and the self-locking circuit are both connected with the driver, and the optical fiber transceiver is used for inserting an optical fiber and transceiving an optical fiber signal. The plurality of optical fiber transceiver circuits comprises a first optical fiber transceiver circuit and a second optical fiber transceiver circuit, and the first optical fiber transceiver circuit and the second optical fiber transceiver circuit are both connected with the OR gate, and the OR gate is connected with a connector. The current limiting circuit is connected with the connector and the first optical fiber transceiver circuit and the second optical fiber transceiver circuit respectively. The driver is connected with the connector, the connector is detachably connected with an external switch for electrical signal communication, the optical fiber transceiver is used for optical-electricity conversion, and the driver is used for data forwarding and driving the optical fiber transceiver to work for optical-electricity conversion.
2. The dual optical module of claim 1, wherein, The current limiting circuit outputs a plurality of direct currents to the plurality of optical fiber transceiver circuits after taking electricity from the connector. The plurality of direct currents comprises a first direct current and a second direct current. The first direct current provides power supply for the first optical fiber transceiver circuit, and the second direct current provides power supply for the second optical fiber transceiver circuit.
3. The dual optical module of claim 2, wherein, The self-locking circuit is used for self-locking output of a positive electrode of the first direct current or a positive electrode of the second direct current to the driver according to a trigger signal output by the optical fiber transceiver.
4. The dual optical module of claim 1, wherein, The OR gate is used for feeding back working states of the first optical fiber transceiver circuit and the second optical fiber transceiver circuit to the switch.
5. The dual optical module of claim 2, wherein, The current limiting circuit comprises a field effect tube, a first resistor and a second resistor. The S1 end of the field effect tube is connected with the VccR end of the connector, the S2 end is connected with the VccT end of the connector, the G1 end is connected with the first resistor, the G2 end is connected with the second resistor, the other ends of the first resistor and the second resistor are both grounded, and the D1 end outputs the first direct current and the D2 end outputs the second direct current. The RS1- end of the optical fiber transceiver is connected with a first capacitor, the RS1+ end is connected with a second capacitor, the other end of the first capacitor and the other end of the second capacitor are also connected with a third resistor in parallel, and the other end of the first capacitor and the other end of the second capacitor are connected with the RXIN+ end and the RXIN- end of the driver in a one-to-one manner in the order.
6. The dual optical module of claim 1, wherein, The LD- end of the optical fiber transceiver is connected with a fourth resistor, a fifth resistor and a first inductor, the other end of the fourth resistor is connected with the TXOUT+ end of the driver, the other end of the fifth resistor is connected with the other end of the first inductor and also connected with a sixth resistor, the other end of the sixth resistor is connected with the TxBIAS end of the driver, the LD+ end of the optical fiber transceiver is connected with a second inductor and a fifteenth resistor, the other end of the fifteenth resistor is connected with the TXOUT- end of the driver, and the other end of the second inductor is connected with the positive electrode of the direct current. The MD1 end of the fiber transceiver is further connected with a seventh resistor, and the other end of the seventh resistor is connected with the IPIN end of the driver.
7. The dual optical module of claim 6, wherein, The RxOUT- end of the driver is connected with a third capacitor and a fourth capacitor, and the RxOUT- end and the RxOUT+ end of the driver are further connected with an eighth resistor in parallel, the other end of the third capacitor is the first signal end of the fiber transceiver circuit, and the other end of the fourth capacitor is the second signal end of the fiber transceiver circuit. The SCL_S end of the driver is the third signal end of the fiber transceiver circuit, and the SDA_S end is the fourth signal end of the fiber transceiver circuit. The TXIN+ end of the driver is the fifth signal end of the fiber transceiver circuit, and the TXIN- end is the sixth signal end of the fiber transceiver circuit. The TXDIS / S end of the driver is the seventh signal end of the fiber transceiver circuit, and the FAULT end is the eighth signal end of the fiber transceiver circuit, the FAULT end of the driver is further connected with a ninth resistor, and the other end of the ninth resistor is connected with the positive pole of the direct current. The LOS end of the driver is connected with a tenth resistor, the other end of the tenth resistor is connected with the positive pole of the direct current, and the LOS end of the driver is the ninth signal end of the fiber transceiver circuit.
8. The dual optical module of claim 7, wherein, The self-locking circuit comprises a triode. The E1 end and the E2 end of the triode are connected and further connected with the positive pole of the direct current, the B1 end, the B2 end and the C1 end of the triode are connected and further connected with the VPD1 end of the fiber transceiver, and the C2 end of the triode is connected with the ADC-V / I end of the driver.
9. The dual optical module of claim 1, wherein, The A end of the or gate is connected with the eighth signal end of the first fiber transceiver circuit, and the B end is connected with the eighth signal end of the second fiber transceiver circuit, and the Y end of the or gate is connected with the TX_Fault end of the connector.
10. The dual optical module of claim 2, wherein, The first signal end, the second signal end, the third signal end, the fourth signal end and the seventh signal end and the ninth signal end of the first fiber transceiver are sequentially connected with the RD1- end, the RD1+ end, the MOD-DEF1 end, the MOD-DEF2 end and the TX1_Disable end and the LOS1 end of the connector in a one-to-one manner; the fifth signal end of the first fiber transceiver is connected with a fifth capacitor and an eleventh resistor, the sixth signal end is connected with the other end of the eleventh resistor and further connected with a sixth capacitor, the other end of the fifth capacitor is connected with the TD1+ end of the connector, and the other end of the sixth capacitor is connected with the TD1- end of the connector. The first signal end, the second signal end, the third signal end, the fourth signal end and the seventh signal end and the ninth signal end of the second optical fiber transceiver are sequentially connected with the RD2- end, the RD2+ end, the MOD-DEF1 end, the MOD-DEF2 end and the TX2_Disable end and the LOS2 end of the connector in a one-to-one manner; the fifth signal end of the second optical fiber transceiver is connected with a seventh capacitor and a twelfth resistor, the other end of the sixth signal end is connected with the twelfth resistor and is further connected with an eighth capacitor, the other end of the seventh capacitor is connected with the TD2+ end of the connector, and the other end of the eighth capacitor is connected with the TD2- end of the connector; The MOD-DEF1 end of the connector is connected with a thirteenth resistor, the MOD-DEF2 end is connected with a fourteenth resistor, the other end of the thirteenth resistor and the other end of the fourteenth resistor are both connected with the positive electrode of the first direct current.