Multi-service parallel communication device
By designing a multi-service parallel communication device that includes a circuit board and a data processing motherboard, the problems of short RJ45 transmission distance and insufficient utilization of optical fiber resources are solved, long-distance optical fiber communication and multi-service parallelism are achieved, and the training and maintenance of network security equipment are simplified.
Patent Information
- Application Number
- CN202420874580.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-04-25
- Publication Date
- 2025-10-03
- Estimated Expiration
- 2034-04-25
AI Technical Summary
Existing multi-service parallel communication devices have the problem of short RJ45 transmission distance in remote training scenarios, and cannot efficiently utilize fiber channel resources to synchronously transmit sound and video signals to multiple people.
A multi-service parallel communication device is designed, which includes a circuit board, an RJ45 service interface, a polymer fiber interface, a network status indicator, a power indicator, a DC input interface, and an AC input interface. It uses a dual-channel SFP universal optical module to realize fiber optic communication, and forwards and parses data packets through a data processing mainboard, supporting long-distance fiber optic communication and multi-service parallelism.
It realizes multi-service parallel communication for practical training of network security equipment skills without configuration, solves the problem of remote transmission, saves fiber channel resources, and simplifies network deployment and equipment maintenance.
Smart Images

Figure CN223413777U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to a multi-service parallel communication device, belonging to the field of power communication. Background Art
[0002] A multi-service parallel communication device is designed for network security equipment training, focusing on practical skills training. For remote training scenarios, this training requires long-distance communication channels via RJ45 ports. Due to the short effective transmission distance of RJ45, a new communication device is needed to address long-distance transmission. Furthermore, to support multi-person training, support simultaneous transmission of audio and video signals, and conserve fiber channel resources, multiple services must be transmitted simultaneously over a single pair of optical fibers. Summary of the Invention
[0003] The technical problem to be solved by the utility model is: the utility model provides a multi-service parallel communication device, which can realize the one-to-one correspondence and isolation function of the physical ports of the multi-service parallel communication network for practical training of network security equipment skills without any configuration, and solve the remote transmission problem, and realize the functions of long-distance optical fiber communication and multi-service parallelization.
[0004] The technical solution of the utility model is: a multi-service parallel communication device, including a circuit board, an RJ45 service interface, an aggregated optical fiber interface, a network status indicator light, a power indicator light, a DC input interface, an AC input interface and a shell; the circuit board includes an optical port aggregation communication board, an RJ45 service interface board, a data processing mainboard, an AC regulated power supply, and a DC regulated power supply.
[0005] Furthermore, the optical port aggregation communication board has a dual-channel SFP universal optical module interface and has an aggregation communication function.
[0006] Furthermore, the RJ45 service interface board has 8-16 RJ45 ports and supports 10 / 100 / 1000M adaptive dedicated service communications.
[0007] Furthermore, the data processing mainboard is the core processing module of the entire device, and the CPU is responsible for packet forwarding and parsing of business data.
[0008] Furthermore, the AC regulated power supply supports 85-240V AC and DC input and works together with the DC regulated module.
[0009] Furthermore, the DC regulated power supply supports 12-24V DC input and works together with the AC module.
[0010] The optical port aggregation communication board is used to integrate various electronic components including 2 SFP (small package hot-swappable optical modules) sockets and optoelectronic conversion circuits and voltage stabilization circuits; the RJ45 service interface board is used to integrate 8-16 RJ45 sockets and various electronic components including network transformers, differential filters, network signal circuits and voltage stabilization circuits; the data processing main board is the core data processing module of the multi-service parallel communication device, used to process various types of data transmission and reception from the aggregation end and the service end. It contains various electronic components including data processor, memory, flash memory, voltage stabilization circuit, power status indicator light, and network status indicator light; the AC regulated power supply integrates various electronic components including stabilizing 85-245V AC and DC power into 12V and 5V; the DC regulated power supply integrates various electronic components including stabilizing 15-24V DC power into 12V and 5V.
[0011] The beneficial effects of the present invention are as follows: the present invention is a multi-service parallel communication network device dedicated to practical training of network security equipment skills, which is connected to each training device for special services through an RJ45-based port, and then aggregates the communication to the remote device through the optical port. The remote device then decomposes the aggregated packet services to each RJ45 port, realizing long-distance optical fiber communication and multi-service parallel functions. The difference from other three-layer network devices is that the multi-service parallel communication device can realize the one-to-one correspondence and isolation function of the physical ports of the multi-service parallel communication network for practical training of network security equipment skills without any configuration, and solves the problem of remote transmission. The purpose is to save optical fiber channel resources and simplify the network deployment, security management and equipment maintenance work of practical training of network security equipment skills. BRIEF DESCRIPTION OF THE DRAWINGS
[0012] Figure 1 It is a schematic diagram of the physical interface of the device of the utility model;
[0013] Figure 2 This is a principle block diagram of the device of the utility model;
[0014] Figure 3 This is the circuit principle diagram of the optical port aggregation communication board of the utility model;
[0015] Figure 4 This is the circuit schematic diagram of the RJ45 service interface board of this utility model;
[0016] Figure 5 This is the circuit schematic diagram of the data processing mainboard of the utility model;
[0017] Figure 6 This is the principle diagram of the AC voltage-stabilized power supply circuit of the utility model;
[0018] Figure 7 This is the principle diagram of the DC regulated power supply circuit of the utility model;
[0019] Figure 8 It is a schematic diagram of the overall application of the utility model. DETAILED DESCRIPTION
[0020] The present invention will be further described below with reference to the accompanying drawings and specific embodiments.
[0021] Example 1: Figure 1 、 Figure 8 As shown, a multi-service parallel communication device includes a circuit board, an RJ45 service port, an optical fiber aggregation port, a network status indicator light, a power indicator light, a DC input interface, an AC input interface and a casing; the circuit board includes an optical port aggregation communication board, an RJ45 service interface board, a data processing mainboard, an AC regulated power supply, and a DC regulated power supply.
[0022] Furthermore, the principle block diagram of the device is as follows: Figure 2 As shown, the GMII interface is connected to the RJ45 business interface, and the SFP interface is connected to the aggregated optical fiber interface. The data of the two is processed by the Linux core CPU. The CPU packages and parses the data of each business port according to the rules set by the program to ensure that all business data can reach the designated network. The DC-DC is responsible for the power supply and power voltage regulation of the data processing motherboard.
[0023] Furthermore, the circuit principle of the optical port aggregation communication board of the utility model is as follows Figure 3 As shown, the fiber optic coupler module is connected by H3, and the SFP RX / TX signal is connected to the network chip U1 through filters C76, C77, C78, and C79. U1 is connected to U9 of the data processing mainboard for data interaction. Among them, SFP_3V3 is the main power supply for the module, and CH2 is used for debugging.
[0024] Furthermore, the circuit principle of the RJ45 service interface board of the utility model is as follows Figure 4 As shown, RJ1 is connected to the business network, and data passes through RJ1 and is isolated by the network transformer H82409S before reaching the network chip. U2 is connected to U9 of the data processing mainboard for data interaction.
[0025] Furthermore, the circuit principle of the data processing motherboard of the utility model is as follows Figure 5 As shown in the figure, the data processing mainboard consists of electronic components such as CPU U9, eMMC, DDR, USB, DC-DC, etc. It runs in the Linux environment and is responsible for data interaction between the business interface and the aggregation interface.
[0026] Furthermore, the circuit principle of the AC regulated power supply board of the utility model is as follows Figure 6As shown, 85-240V AC power is input through JP6, passes through fuse FS and EMC circuit to reach MD AC-DC isolation switch power supply module, and outputs 15V DC voltage after voltage regulation to power the device. EC2 and EC3 are used for filtering, C4 and C5 are used for decoupling, D1-D8 are used to prevent current backflow when AC and DC are supplied simultaneously, JP7 is connected to the DC input interface, and JP8 is connected to the DC voltage regulator module.
[0027] Furthermore, the circuit principle of the DC regulated power supply of the present invention is as follows: Figure 7 As shown, the 15V DC power supply reduces the voltage to 12V through the V1 switch step-down chip, which supplies the V2 and V5 regulators respectively, reducing the voltage to 5V and supplying it to the optical port aggregation communication board, RJ45 service interface board, and data processing main board. IC1 can charge the micro lithium battery to meet the data storage and real-time clock work of the CPU. The V3 and V4 regulators provide 3.3V and 1.8V voltages for the chip of the RJ45 service interface board. The V6, V7, and U3 regulators provide 3.3V, 1.8V, and 1.0V voltages for the chip of the optical port aggregation communication board interface board. The V8 and V9 regulators provide 3.3V voltage for the CPU and its accessories of the data processing main board.
[0028] This utility model is a multi-service parallel communication network device dedicated to practical training of network security equipment skills. It connects to each training device for specific services through RJ45-based ports, then aggregates communications to the remote device through optical ports. The remote device then decomposes the aggregated packet services to each RJ45 port, realizing long-distance fiber optic communication and multi-service parallel functions. The difference from other three-layer network devices is that this multi-service parallel communication device can achieve the one-to-one correspondence and isolation function of the physical ports of the multi-service parallel communication network for practical training of network security equipment skills without any configuration, and solves the problem of remote transmission. The purpose is to save fiber channel resources and simplify the network deployment, security management and equipment maintenance work of practical training of network security equipment skills.
[0029] The specific embodiments of the present invention are described in detail above with reference to the accompanying drawings. However, the present invention is not limited to the above embodiments. Various changes can be made within the knowledge of ordinary technicians in this field without departing from the purpose of the present invention.
Claims
1. A multi-service parallel communication device, characterized in that: It includes a circuit board, an RJ45 service interface, an aggregated optical fiber interface, a network status indicator light, a power indicator light, a DC input interface, an AC input interface, and a shell; the circuit board includes an optical port aggregation communication board, an RJ45 service interface board, a data processing mainboard, an AC regulated power supply, and a DC regulated power supply; The optical port aggregation communication board and the RJ45 service interface board are respectively connected to the data processing main board; The AC regulated power supply is connected to the DC input interface; The DC regulated power supplies are all connected to the optical port aggregation communication board, the RJ45 service interface board, and the data processing main board for power supply.
2. A multi-service parallel communication device according to claim 1, characterized in that: The fiber coupler module of the optical port aggregation communication board is connected by H3, and the SFP RX / TX signal is connected to the network chip U1 through filters C76, C77, C78, and C79. U1 is connected to U9 of the data processing mainboard for data interaction; The RJ1 of the RJ45 service interface board is connected to the service network. Data is isolated through the network transformer H82409S through RJ1 and then reaches the network chip. U2 is connected to U9 of the data processing mainboard for data interaction. The data processing motherboard includes CPU U9, eMMC, DDR, USB, DC-DC, runs in a Linux environment, and is responsible for data interaction between the service interface and the aggregation interface; The voltage of the DC regulated power supply is reduced to 5V and supplied to the optical port aggregation communication board, the RJ45 service interface board, and the data processing main board.
3. The multi-service parallel communication device according to claim 1, wherein: The optical port aggregation communication board has a dual-channel SFP universal optical module interface and has an aggregation communication function.
4. The multi-service parallel communication device according to claim 1, wherein: The RJ45 service interface board has 8-16 RJ45 ports and supports 10 / 100 / 1000M adaptive dedicated service communications.
5. The multi-service parallel communication device according to claim 1, characterized in that: The data processing mainboard is the core processing module of the entire device, and the CPU is responsible for packet forwarding and parsing of business data.
6. The multi-service parallel communication device according to claim 1, characterized in that: The AC regulated power supply supports 85-240V AC and DC input and works together with the DC regulated module.
7. The multi-service parallel communication device according to claim 1, characterized in that: The DC regulated power supply supports 12-24V DC input and works together with the AC module.