Implementation method of micro POF transceiver for long-distance power supply and data transmission

Abstract

The invention discloses an implementation method of a micro POF transceiver for long-distance power supply and data transmission, the transceiver comprises an end A and an end B, and power supply and data transmission are realized by using a photoelectric composite cable. The A end is powered by a POE power supply and amplifies an input signal to a sufficient level to drive an LD laser to emit light, thereby realizing POF optical signal transmission. And the B end receives 12V-60V wide voltage input, stable 12V voltage is output through the voltage reduction and stabilization module, and network signals are output through the RJ45 interface at the same time. According to the scheme, the POE and POF technologies are combined, the problems that the existing POE transmission distance is limited and the network rate is attenuated are solved, 13W POE power supply and 1000M data transmission can be realized within the range of 800m, and different power supplies and devices are compatible. And through a mini design and an independent heat dissipation module, the stability and the industrial environment adaptability of the system are improved. The technology greatly prolongs the transmission distance, simplifies wiring, and is suitable for high-requirement network scenes such as enterprises and parks.

Description

Technical Field

[0001] The present invention relates to the field of communication technology, and in particular to a method for implementing a microPOF transceiver for long-distance power supply and data transmission. Background Art

[0002] With the increasing popularity of network equipment in enterprises, campuses and smart buildings, the demand for long-distance power supply and high-speed data transmission is growing. Usually, **POE (Power over Ethernet)** technology is widely used in such scenarios to transmit power and data simultaneously through a network cable, supporting network cameras, sensors, wireless access points and other devices. However, POE technology has significant limitations in power supply distance and transmission rate, especially in long-distance transmission.

[0003] In the prior art, in order to solve the power supply demand of network equipment, the following methods are usually adopted:

[0004] 1. Power supply directly through POE: In short-distance scenarios (usually within 150 meters), POE power supply can stably transmit power and data. However, when the transmission distance exceeds 150 meters, the power supply is insufficient and the data transmission rate drops significantly from 1000 Mbps to 10 Mbps, which cannot meet the needs of high-bandwidth devices, especially high-definition cameras, remote monitoring and other scenarios.

[0005] 2. Extend the transmission distance through relay equipment: In order to solve the problem of limited POE transmission distance, existing technologies usually introduce repeaters or POE extenders to extend the transmission distance. However, this method requires additional power supply for the relay equipment, which complicates the system wiring and increases the equipment installation, maintenance and energy costs.

[0006] 3. Independent power supply and data transmission wiring: Another solution is to use a separate power cable to power remote devices, while transmitting data through optical fiber or network cables. Although this solution solves the power supply problem, the wiring cost is high and the installation process is cumbersome, especially in enterprise or park environments that require large-scale deployment. It is not only time-consuming and labor-intensive, but also increases the complexity of maintenance.

[0007] The shortcomings of existing technologies are mainly manifested in the following aspects, such as the limited transmission distance of POE. When the distance exceeds 150 meters, the power and data transmission capacity drops significantly and cannot meet the needs of long-distance devices; the method of extending the transmission distance through relay equipment increases the complexity of the system, wiring costs and maintenance difficulties, especially in the scenario of large-scale network. Independent power supply and data transmission wiring methods can solve some power supply problems, but the installation is cumbersome and costly, and are not suitable for large-scale deployment.

[0008] In order to solve the above problems, the industry urgently needs a technology that can achieve stable power supply and high-speed data transmission at long distances, reduce wiring complexity, reduce installation costs, and maintain system compatibility and stability in different equipment and power supply environments. However, existing solutions cannot fully solve these problems, and there are still many problems such as insufficient power supply, reduced data transmission rate, and complex system maintenance.

[0009] Therefore, how to achieve stable power supply and high-speed data transmission over a long distance and simplify system wiring has become a technical problem to be solved by the present invention. Summary of the invention

[0010] The technical problem solved by the present invention is to provide a method for implementing a micro POF transceiver for long-distance power supply and data transmission in response to the defects existing in the above-mentioned prior art, so as to solve the problems of insufficient power supply, reduced data rate and high system complexity of the existing POE technology in long-distance transmission proposed in the above-mentioned background technology.

[0011] In order to solve the above technical problems, the technical solution adopted by the present invention is as follows:

[0012] A method for implementing a micro POF transceiver for long-distance power supply and data transmission, wherein the transceiver includes an A end and a B end, and can perform power supply and data transmission through an optoelectronic composite cable, specifically comprising the following steps:

[0013] Step 1: The A terminal is powered by a POE power supply. After the POE power supply enters the bridge stack through the network interface, it is rectified and the voltage is converted to 3.3V, and a stable voltage is output to the outside through the DC interface. Among them, the PR25 resistor is used to meet the POE protocol requirements to ensure stable output.

[0014] Step 2: The A end amplifies the input serdes signal to a sufficient level through circuit processing, drives the LD laser to emit light to generate an optical signal, and realizes the optical signal transmission in the POF; the receiving end converts the LVPECL signal of the PIN-TIA into a serdes signal for chip recognition through a differential discharge circuit, thereby realizing the photoelectric conversion of data;

[0015] Step 3, the B end receives the electrical signal from the A end, and the B end can accept a wide voltage input of 12V to 60V, and reduces the input voltage to 12V through the step-down voltage regulator module to provide a stable power supply to the terminal device; the B end realizes the network signal output through the RJ45 interface, and outputs a 12V stable voltage through the DC interface;

[0016] Step 4, the A end and the B end are connected by an optoelectronic composite cable, which can achieve stable transmission of data and power at a transmission distance of up to 800 meters, and maintain 13W POE power supply and 1000M data transmission rate within a distance of 800 meters.

[0017] As a further solution of the present invention, the optoelectronic composite cable includes at least one pair of optical fibers and a pair of dual-core copper conductors, the dual-core copper conductors are used for power transmission, and the optical fibers are used for data transmission, thereby enabling long-distance transmission of data and power in the same cable.

[0018] As a further solution of the present invention, the A end can support standard POE and non-standard POE power supply, and adjust the POE output through a PR25 resistor to ensure compatibility with different types of POE devices.

[0019] As a further solution of the present invention, the step-down and voltage stabilization module at the B end can step down the input voltage in the range of 12V to 60V to a stable 12V output, and provide power supply through the DC005 interface.

[0020] As a further solution of the present invention, the B end includes a boost module, which can automatically adjust the power output according to the received input voltage to meet the power requirements of the terminal device and ensure stable power supply during long-distance transmission.

[0021] As a further solution of the present invention, the B end can output a network signal through an RJ45 interface and adapt to a standard network interface protocol, and can be connected to an existing network device.

[0022] As a further solution of the present invention, the optoelectronic composite cable at the A end and the B end supports real-time monitoring of the driving power supply of the LD laser, and automatically adjusts the output power according to the line status to ensure the stability of the optical signal.

[0023] Compared with the prior art, the present invention has the following beneficial effects:

[0024] 1. Significantly extend the POE power supply and data transmission distance: In the prior art, the POE transmission distance is usually limited to 150 meters. After this distance, the power supply is insufficient and the data transmission rate is seriously reduced. This application uses an optoelectronic composite cable to extend the power supply and data transmission distance to 800 meters, while maintaining 1000-megabit high-speed network transmission and stable 13W POE power supply. It breaks through the limitations of existing POE transmission distances and is suitable for scenarios that are sensitive to long-distance power supply and high bandwidth requirements, such as remote monitoring and smart building systems, significantly improving the deployment flexibility of the system.

[0025] 2. Efficient voltage regulation to adapt to complex power supply environments: This application ensures that the system can operate stably under various power supply conditions by designing a wide voltage input (12V to 60V) terminal B and combining boost and buck voltage regulator modules. This design can provide stable power output for terminal devices while adapting to different power inputs, avoiding the reliance on power adapters in the prior art, simplifying wiring, and reducing system complexity and cost.

[0026] 3. High compatibility and system scalability: The A end not only supports standard and non-standard POE power supplies, but also adjusts the POE output through the PR25 resistor to ensure compatibility with different types of POE devices. The B end realizes network signal output through the RJ45 interface, complies with standard network protocols, and can be seamlessly integrated with existing equipment, further enhancing the applicability and scalability of the system. Compared with existing technologies, it can achieve more flexible and efficient connections between different network devices and terminals.

[0027] 4. Equipment miniaturization and industrial-grade stability: The transceiver in this technical solution has a miniaturized design and is small in size, suitable for placement anywhere in a limited space, especially for the compact layout requirements inside a cabinet. In addition, the independent heat dissipation module design ensures the stability and reliability of the equipment in the long-term operation in an industrial-grade environment, greatly improving the adaptability and durability of the system. These features are particularly prominent in industrial environments and data centers.

[0028] 5. Real-time monitoring and adaptive optical signal adjustment: By real-time monitoring of the driving power supply of the LD laser, the optoelectronic composite cable of the present application can automatically adjust the output power according to the line status to ensure the stability and efficiency of optical signal transmission. This intelligent adjustment mechanism enhances the signal stability of the system in long-distance transmission and avoids the performance degradation problem caused by signal attenuation in the prior art.

[0029] Additional aspects and advantages of the present invention will be given in part in the following description and in part will be obvious from the following description, or will be learned through practice of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0030] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative labor.

[0031] Figure 1 This is the power input circuit diagram.

[0032] Figure 2This is the main chip circuit of the present invention.

[0033] Figure 3 It is the local area network (LAN) and POE circuit diagram of the present invention.

[0034] Figure 4 This is the laser emitting circuit (LD driving circuit) of the present invention.

[0035] Figure 5 This is the power conversion circuit (Step-Down and Step-Up circuit) of the present invention.

[0036] Figure 6 The invention discloses a VCC power supply voltage stabilizing and filtering circuit. DETAILED DESCRIPTION

[0037] The technical solutions in the embodiments of the present invention are described clearly and completely below. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of them. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0038] See also Figure 1 —6. In an embodiment of the present invention, a method for implementing a micro POF transceiver for long-distance power supply and data transmission, wherein the transceiver includes an A end and a B end, and can perform power supply and data transmission through an optoelectronic composite cable, specifically comprising the following steps:

[0039] Step 1: The A terminal is powered by a POE power supply. After the POE power supply enters the bridge stack through the network interface, it is rectified and the voltage is converted to 3.3V, and a stable voltage is output to the outside through the DC interface. Among them, the PR25 resistor is used to meet the POE protocol requirements to ensure stable output.

[0040] Step 2: The A end amplifies the input serdes signal to a sufficient level through circuit processing, drives the LD laser to emit light to generate an optical signal, and realizes the optical signal transmission in the POF; the receiving end converts the LVPECL signal of the PIN-TIA into a serdes signal for chip recognition through a differential discharge circuit, thereby realizing the photoelectric conversion of data;

[0041] Step 3, the B end receives the electrical signal from the A end, and the B end can accept a wide voltage input of 12V to 60V, and reduces the input voltage to 12V through the step-down voltage regulator module to provide a stable power supply to the terminal device; the B end realizes the network signal output through the RJ45 interface, and outputs a 12V stable voltage through the DC interface;

[0042] Step 4, the A end and the B end are connected by an optoelectronic composite cable, which can achieve stable transmission of data and power at a transmission distance of up to 800 meters, and maintain 13W POE power supply and 1000M data transmission rate within a distance of 800 meters.

[0043] As a further solution of the present invention, the optoelectronic composite cable includes at least one pair of optical fibers and a pair of dual-core copper conductors, the dual-core copper conductors are used for power transmission, and the optical fibers are used for data transmission, thereby enabling long-distance transmission of data and power in the same cable.

[0044] As a further solution of the present invention, the A end can support standard POE and non-standard POE power supply, and adjust the POE output through a PR25 resistor to ensure compatibility with different types of POE devices.

[0045] As a further solution of the present invention, the step-down and voltage stabilization module at the B end can step down the input voltage in the range of 12V to 60V to a stable 12V output, and provide power supply through the DC005 interface.

[0046] As a further solution of the present invention, the B end includes a boost module, which can automatically adjust the power output according to the received input voltage to meet the power requirements of the terminal device and ensure stable power supply during long-distance transmission.

[0047] As a further solution of the present invention, the B end can output a network signal through an RJ45 interface and adapt to a standard network interface protocol, and can be connected to an existing network device.

[0048] As a further solution of the present invention, the optoelectronic composite cable at the A end and the B end supports real-time monitoring of the driving power supply of the LD laser, and automatically adjusts the output power according to the line status to ensure the stability of the optical signal.

[0049] Embodiment 1:

[0050] In a network deployment scenario in an enterprise campus, a common requirement is to provide stable power supply and high-speed network connection for multiple surveillance cameras, wireless access points and other terminal devices distributed over long distances. Although the traditional POE power supply method can provide power and data transmission for devices through a single network cable, its power supply capacity is usually limited to within 150 meters. Beyond this distance, the power supply is insufficient and the data transmission rate drops significantly from 1000 megabits to 10 megabits, which is difficult to meet the needs of high-bandwidth devices. At the same time, in order to extend the transmission distance, the solution of introducing relay equipment in traditional technology not only increases the complexity of wiring, but also increases the installation cost and the difficulty of equipment maintenance. To solve these problems, existing technologies often require the use of independent power cables and optical fiber to transmit data, but this leads to complex wiring, high costs, and difficult maintenance.

[0051] This embodiment successfully overcomes the defects of the above-mentioned traditional technology by applying a long-distance power supply and data transmission technology solution based on micro POF transceiver, and demonstrates significant technical effects in the long-distance equipment power supply and data transmission requirements of the enterprise campus network.

[0052] In specific application scenarios, the transceiver of this technical solution includes end A and end B. End A is deployed in the core computer room of the enterprise park and is directly connected to the core switch and power supply system in the park. End B is deployed near terminal devices such as remote surveillance cameras or wireless access points. End A and end B are connected through an optical-electrical composite cable to achieve synchronization of power supply and data transmission.

[0053] The specific implementation process is as follows:

[0054] 1. The beginning of power supply and data transmission: In the core equipment room, the A end is powered by a standard POE power supply. The POE power supply enters the bridge stack through the network interface and is rectified to stably convert the voltage into 3.3V, and output the power through the DC interface. This power is transmitted through the copper wire in the optoelectronic composite cable and supplied to the remote B end device. At the same time, the A end amplifies the serdes signal provided by the core switch through circuit processing to drive the LD laser to emit light, generate an optical signal, and transmit it to the B end through the optical fiber part.

[0055] 2. Remote power supply and signal reception: At the surveillance camera 800 meters away from the equipment room, the B end receives power and optical signals from the A end through the optoelectronic composite cable. The B end can accept a wide range of voltage inputs from 12V to 60V, and the built-in buck regulator module can stably reduce the voltage to 12V, ensuring that terminal devices such as cameras can continue to receive a stable power supply. At the same time, the B end receives the optical signal through the LVPECL signal of the PIN-TIA and converts it into a serdes signal for the terminal device to identify and realize data transmission.

[0056] 3. Actual effect in application scenario: This embodiment uses the photoelectric composite cable to achieve stable power supply within a distance of 800 meters and maintain high-speed 1000M data transmission. This solves the problem of insufficient power supply and reduced network rate in the traditional POE power supply method beyond 150 meters. In this application scenario, enterprises do not need to lay out power supply cables for remote devices separately, which reduces the complexity of wiring and avoids the additional cost and maintenance difficulty caused by the use of relay equipment.

[0057] 4. Intelligent monitoring and adaptive adjustment: In this application scenario, this technical solution also ensures the stable transmission of optical signals by real-time monitoring of the driving power supply of the LD laser. If the line status changes, such as signal attenuation caused by the external environment, the system can automatically adjust the output power to ensure that the remote device always receives enough optical signals. This intelligent adjustment mechanism not only enhances the stability of the system, but also ensures that the network performance is not affected under long-distance transmission.

[0058] Through the above methods, this embodiment demonstrates the application advantages of micro POF transceiver technology in enterprise campus monitoring networks. Compared with the traditional POE power supply or relay equipment, this technical solution extends the power supply distance from 150 meters to 800 meters through the optoelectronic composite cable, and keeps the power supply and data transmission synchronized throughout the process, greatly simplifying the wiring requirements within the campus and reducing deployment and maintenance costs. In addition, the solution is compatible with different types of POE devices and realizes wide voltage input in various voltage environments, ensuring the stability and applicability of the system.

[0059] Embodiment 2:

[0060] In the network cabling projects of government buildings, it is usually required to provide long-distance network data transmission and stable power supply for terminal devices such as cameras. The traditional fiber optic network cabling method relies on installing ordinary fiber optic transceivers in the cabinet, which are powered by independent power supplies and connected to the network switch. However, as the layout of cabinets becomes increasingly compact and neat, enterprises and government agencies have put forward higher requirements for the aesthetics of cabling, space utilization, and power supply and network stability. The limitations of traditional solutions are reflected in the fact that fiber optic transceivers require additional space and rely on separate power supplies, which not only increases the cost of cabling, but also brings inconvenience to the maintenance and management of equipment.

[0061] This embodiment solves the above problem by applying the technical solution of micro POF transceiver. The specific application scenarios are as follows:

[0062] In the deployment of the surveillance system in the government building, it is required that the surveillance cameras on each floor can provide unified power and data transmission through the computer room. However, the cameras are sometimes hundreds of meters away from the computer room. The power supply capacity of traditional POE technology is insufficient to meet the power supply needs of these remote devices. At the same time, the network rate also drops significantly and cannot support the real-time transmission of high-definition surveillance data.

[0063] To solve this problem, this embodiment adopts the micro POF transceiver technology solution, using the A-end transceiver to connect to the core computer room switch of the government building, and at the same time transmit power and data to the remote B-end device through the optical-electrical composite cable. The key steps of this solution are as follows:

[0064] 1. Power supply and data transmission of end A: The transceiver at end A is placed in the core room and powered by POE power. The power supply powers the remote device through the DC interface. End A uses the POE to POF circuit design to convert the POE power signal from the switch into a 3.3V stable voltage after rectification. At the same time, end A amplifies the serdes signal through the circuit to drive the LD laser to emit light and generate an optical signal. The optical signal is transmitted to the remote end B device through the optical fiber part of the optoelectronic composite cable.

[0065] 2. Power supply and signal reception at end B: On devices such as cameras or wireless access points within a distance of 300 to 800 meters, end B receives power and data from end A through an optoelectronic composite cable. End B is designed to accept a wide voltage input of 12V to 60V, and outputs the voltage to 12V through a built-in step-down voltage regulator module to provide stable power supply for terminal devices such as cameras. At the same time, end B receives the optical signal from end A, converts the optical signal into a serdes signal through a circuit, and outputs it to the terminal device.

[0066] 3. Reduce wiring complexity: Since the optoelectronic composite cable can transmit power and data simultaneously in one cable, this embodiment greatly reduces the wiring requirements. In traditional solutions, remote devices usually require separate power cables and data cables, which not only increases the wiring cost, but also puts higher requirements on the number of power sockets in the computer room. However, through the technical solution of this embodiment, only one optoelectronic composite cable is needed to meet the power supply and data transmission requirements, saving wiring space, optimizing the equipment layout inside the cabinet, and maintaining a neat and beautiful appearance.

[0067] 4. Stable power supply and high-speed transmission: With 48V POE input, the micro POF transceiver can provide stable 13W POE power supply within a transmission distance of up to 800 meters. Even at long distances, the system can still maintain a data transmission rate of 1000 megabits, ensuring high-definition image transmission and real-time data interaction of remote cameras or wireless access points. This solves the problem of insufficient power supply and reduced network rate of traditional POE at long distances, and significantly improves the performance and reliability of the system.

[0068] 5. Adapt to different voltage environments: This embodiment also demonstrates the voltage adaptability of the B-end device. The B-end can receive an input voltage range of 12V to 60V and automatically adjust the output according to different power supply conditions to ensure that terminal devices such as cameras can continue to obtain a stable power supply. This flexible power adaptability solves the problem of insufficient power supply when the traditional fiber optic transceiver is used with a network camera.

[0069] Through the application of this embodiment, the deployment of micro POF transceiver technology in the optical fiber network of government buildings successfully solves the problem of the optical fiber transceiver requiring additional power supply and space in the traditional solution, while ensuring stable power supply and high-speed data transmission of remote devices, significantly reducing wiring costs and complexity, and improving system reliability and deployment efficiency. This design makes it easier and more efficient to wire and power high-demand network environments such as fiber-to-the-building, government enterprises, etc.

[0070] Embodiment 3:

[0071] In a fiber-to-the-building application in a campus network, multiple long-distance surveillance cameras transmit data and power through a centralized core network switch. Traditional fiber-optic network wiring requires a separate power supply for each camera and multiple relay devices to extend the transmission distance. To simplify wiring and improve system stability and efficiency, this embodiment adopts a solution based on micro POF transceivers and combines the relevant technologies of the above 6 drawings to achieve long-distance power supply and data transmission.

[0072] The specific application scenarios are as follows:

[0073] 1. Power input and voltage stabilization circuit: In the core computer room of the park, Figure 1 The power input circuit (DCX-005 interface) shown is connected to a 48V DC power supply or receives POE power through an RJ45 interface. The input power is processed by the U13 voltage regulator chip to ensure the stability and cleanliness of the power when it is transmitted to the subsequent circuits, avoiding voltage fluctuations that may affect the equipment.

[0074] 2. Network physical layer data processing (RTL8213B chip): in the core computer room, Figure 2 The main chip RTL8213B circuit shown is used to process the network data transmitted from the switch and complete the physical layer signal conversion. The chip provides a clock signal through the Y1 crystal oscillator to ensure the stability of high-speed data transmission, and decouples through filter capacitors and inductors to prevent power supply noise from interfering with signal transmission.

[0075] 3. Remote power supply and network data transmission: through Figure 3 In the POE circuit, the system receives remote power supply and data transmission through the RJ45 interface, uses the U3 and U4 chips to extract the power signal in the Ethernet, and converts it into a suitable voltage to supply the subsequent circuit. In the 800-meter optical-electric composite cable, data and power can be transmitted synchronously, which greatly simplifies the traditional wiring method and eliminates the need to lay power lines separately.

[0076] 4. Laser diode transmits optical signal: In the machine room at end A, Figure 4 The laser transmitting circuit shown converts the electrical signal into an optical signal through the LD diode to realize the transmission of data in the optical fiber. This circuit ensures that the optical signal can remain stable during long-distance transmission to avoid signal loss and attenuation.

[0077] 5. Power supply of terminal equipment: B-end equipment passes Figure 5 The power conversion circuit converts POE or external DC input power to provide the 12V or 48V power required by the terminal device. For example, in the scenario of a remote surveillance camera, the power supply system uses the U14 boost or buck chip to ensure that the remote device can obtain stable power supply under different voltage conditions to ensure the normal operation of the device.

[0078] 6. System voltage stabilization and filtering: In the entire system, Figure 6 The VCC power supply voltage stabilization and filtering circuits shown ensure the stability of the power supply voltage of different modules in the system, avoiding equipment failures caused by power supply noise or unstable power supply. Through filtering capacitors, voltage regulator diodes, etc., the reliability of the system is further improved.

[0079] Through the above solution, the micro POF transceiver of this embodiment solves the problems of complex wiring, limited power supply, and insufficient transmission distance of traditional optical fiber networks. In the campus network, data and power are transmitted synchronously through an optoelectronic composite cable, with a transmission distance of up to 800 meters, and can maintain a 1000-megabit high-speed network connection. Compared with the traditional solution, this embodiment greatly reduces the wiring cost and the difficulty of equipment maintenance, and improves the stability and reliability of the system.

[0080] In the present invention, unless otherwise clearly stipulated and limited, the terms such as "installation", "setting", "connection", "fixation" and "screw-on" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral one; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium; it can be the internal connection of two elements or the interaction relationship between two elements. Unless otherwise clearly defined, ordinary technicians in this field can understand the specific meanings of the above terms in the present invention according to the specific circumstances.

[0081] It will be apparent to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, the embodiments should be considered exemplary and non-restrictive in all respects, and the scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims be included in the present invention.

Claims

1. A method for implementing a micro POF transceiver for long-distance power supply and data transmission, characterized in that: The transceiver includes an A end and a B end, and can be powered and transmit data through an optoelectronic composite cable, specifically including the following steps: Step 1: The A terminal is powered by a POE power supply. After the POE power supply enters the bridge stack through the network interface, it is rectified and the voltage is converted to 3.3V, and a stable voltage is output to the outside through the DC interface. Among them, the PR25 resistor is used to meet the POE protocol requirements to ensure stable output. Step 2: The A end amplifies the input serdes signal to a sufficient level through circuit processing, drives the LD laser to emit light to generate an optical signal, and realizes the optical signal transmission in the POF; the receiving end converts the LVPECL signal of the PIN-TIA into a serdes signal for chip recognition through a differential discharge circuit, thereby realizing the photoelectric conversion of data; Step 3, the B end receives the electrical signal from the A end, and the B end can accept a wide voltage input of 12V to 60V, and reduces the input voltage to 12V through the step-down voltage regulator module to provide a stable power supply to the terminal device; the B end realizes the network signal output through the RJ45 interface, and outputs a 12V stable voltage through the DC interface; Step 4, the A end and the B end are connected by an optoelectronic composite cable, which can achieve stable transmission of data and power at a transmission distance of up to 800 meters, and maintain 13W POE power supply and 1000M data transmission rate within a distance of 800 meters.

2. The method for implementing a micro POF transceiver for long-distance power supply and data transmission according to claim 1, characterized in that: The optoelectronic composite cable comprises at least one pair of optical fibers and one pair of double-core copper conductors, wherein the double-core copper conductors are used for power transmission and the optical fibers are used for data transmission, and can realize long-distance transmission of data and power in the same cable.

3. The method for implementing a micro POF transceiver for long-distance power supply and data transmission according to claim 1, characterized in that: The A end can support standard POE and non-standard POE power supply, and adjust the POE output through the PR25 resistor to ensure compatibility with different types of POE devices.

4. The method for implementing a micro POF transceiver for long-distance power supply and data transmission according to claim 1, characterized in that: The step-down and voltage stabilizing module at the B end can step down the input voltage in the range of 12V to 60V to a stable 12V output, and provide power supply through the DC005 interface.

5. The method for implementing a micro POF transceiver for long-distance power supply and data transmission according to claim 1, characterized in that: The B end includes a boost module, which can automatically adjust the power output according to the received input voltage to meet the power requirements of the terminal device and ensure stable power supply during long-distance transmission.

6. The method for implementing a micro POF transceiver for long-distance power supply and data transmission according to claim 1, characterized in that: The B end can output network signals through the RJ45 interface, and is adapted to the standard network interface protocol, and can be connected to existing network equipment.

7. The method for implementing a micro POF transceiver for long-distance power supply and data transmission according to claim 1, characterized in that: The optoelectronic composite cable at the A end and the B end supports real-time monitoring of the driving power supply of the LD laser, and automatically adjusts the output power according to the line status to ensure the stability of the optical signal.

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