CN217469968U

CN217469968U - ETF8 simulation single board of SDH simulator

Info

Publication number: CN217469968U
Application number: CN202221501721.7U
Authority: CN
Inventors: 闫江宏; 权旭涛; 李文桥
Original assignee: Xi'an Tengqian Electronic Technology Co ltd
Current assignee: Xi'an Tengqian Electronic Technology Co ltd
Priority date: 2022-06-15
Filing date: 2022-06-15
Publication date: 2022-09-20
Anticipated expiration: 2032-06-15

Abstract

The utility model discloses a ETF8 simulation veneer of SDH simulator for the simulation of ETF8 veneer business of OSN3500 equipment is realized, reduces optical communication and equips teaching training cost. The simulation single board comprises a main processor, a front panel interface, a motherboard switching interface, a storage module and a power supply management module, wherein the front panel interface is connected with the main processor and is used for interface signal input and output; the front panel interface comprises 8 paths of Ethernet analog interfaces; each path of Ethernet analog interface comprises a first network chip module, a network isolator module and a network port connector which are connected in sequence. The utility model discloses utilize the front panel interface to simulate the signal input/output of veneer, utilize mother board switching interface and mother board to carry out the switching to realize the simulation of ETF8 veneer 8 way ethernet interface, the personnel of being convenient for attend to the training improve training efficiency at SDH analog simulation ware's veneer analog operation, reduce the training cost.

Description

ETF8 simulation single board of SDH simulator

Technical Field

The utility model belongs to the technical field of the SDH simulator, specifically speaking relates to an ETF8 simulation veneer of SDH simulator.

Background

The SDH optical transmission equipment is a comprehensive information transmission network which integrates the functions of multiplexing, line transmission and switching and is operated by a unified network management system. The SDH optical transmission device can realize a plurality of functions such as effective network management, real-time service monitoring, dynamic network maintenance, intercommunication between devices of different manufacturers, and the like, can greatly improve the utilization rate of network resources, reduce management and maintenance costs, and realize flexible, reliable and efficient network operation and maintenance, and is therefore a hotspot for development and application in the transmission technology in the world information field today, and is widely valued by people.

The SDH analog simulation equipment simulates OSN3500 devices, and performs simulation in terms of appearance, board cards, various typical service configuration flows, cable connection modes, and the like. The technical implementation mode of the SDH analog simulation equipment is different from that of a real OSN3500 device, and the SDH analog simulation equipment is a hardware product which is built by using technologies such as electronic communication, circuit design, virtual simulation and the like by taking analog simulation training as an idea. An operator can complete the plugging training of various interface cables by using an SDH analog simulation apparatus to carry out training, can complete the operation training of various typical service configurations (such as configuring PDH service and Ethernet service by a single station method/path method, configuring PCM service, configuring SNCP protection service and the like), and can complete the recognition and processing training of different levels of warning information; the networking training of the annular net and the chain net among the devices can be realized, so that operators can operate and use the real devices skillfully, and a guarantee is provided for smoothly completing tasks.

In recent years, optical communication has been developed, and the scale of the optical communication is increasingly large, the structure of the optical communication is increasingly complex, the technology of the optical communication is increasingly advanced, and the application training in the aspect of optical communication is increasingly important. However, with the increase of the number of the trainees, the problem of insufficient training capacity gradually appears in the optical communication equipment teaching. Generally, two modes of single-machine and single-person alternate operation and observation and learning in cooperation units are adopted for optical communication equipment teaching and training, so that the problems of high training cost, low training efficiency, poor training effect and the like are caused. Therefore, it is necessary to perform simulation design on the ETF8 board in the OSN3500 device.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an ETF8 simulation veneer of SDH simulator for the simulation of the ETF8 veneer business of OSN3500 equipment is realized, reduces optical communication and equips teaching training cost.

In order to achieve the above object, the utility model adopts the following technical scheme:

an ETF8 simulation single board of an SDH simulator comprises a main processor, a front panel interface connected with the main processor and used for interface signal input and output, a motherboard switching interface connected with the main processor and used for switching with a motherboard, a storage module connected with the main processor and used for storage, and a power supply management module used for supplying power; the front panel interface comprises 8 paths of Ethernet analog interfaces; each path of Ethernet analog interface comprises a first network chip module, a network isolator module and a network port connector which are connected in sequence; the first network chip module is connected with the main processor.

Further, in the present invention, the motherboard switching interface includes a second network chip module, a second network isolator, and a DB25 connector, which are connected in sequence; wherein, the second network chip module is connected with a main processor, and the DB25 connector is also connected with the main processor.

Further, in the utility model discloses in, first network chip module, second network chip module all adopt the model to be the ethernet chip of W5500.

Further, in the present invention, the network port connector adopts an RJ45 connector.

Compared with the prior art, the utility model discloses following beneficial effect has:

the utility model discloses a set up front panel interface and mother board switching interface, utilize the front panel interface to simulate the signal input/output of veneer, utilize mother board switching interface and mother board to carry out the switching to realize the simulation of ETF8 veneer 8 way ethernet interface, the personnel of being convenient for attend to the training improve training efficiency at SDH analogue simulation ware's veneer analog operation, reduce the training cost.

Drawings

Fig. 1 is a schematic block diagram of the present invention.

Fig. 2 is a schematic circuit diagram of a host processor according to an embodiment of the present invention.

Fig. 3 is a schematic circuit diagram of a first network chip module according to an embodiment of the present invention.

Fig. 4 is a schematic circuit diagram of a first network isolator according to an embodiment of the present invention.

Fig. 5 is a schematic circuit diagram of a second network chip module and a second network isolator according to an embodiment of the present invention.

Fig. 6 is a schematic circuit diagram of a DB25 connector according to an embodiment of the present invention.

Fig. 7 is a schematic circuit diagram of a power management module according to an embodiment of the present invention.

Fig. 8 is a schematic circuit diagram of a panel light according to an embodiment of the present invention.

Detailed Description

The present invention will be further described with reference to the following description and examples, which include but are not limited to the following examples.

Examples

As shown in fig. 1, the utility model discloses an ETF8 simulation veneer of SDH simulator, which comprises a main processor, a front panel interface connected with the main processor and used for interface signal input and output, a motherboard switching interface connected with the main processor and used for switching with the motherboard, a storage module connected with the main processor and used for storage, and a power supply management module used for supplying power.

The front panel interface comprises 8 paths of Ethernet analog interfaces; each path of Ethernet analog interface comprises a first network chip module, a network isolator module and a network port connector which are connected in sequence; wherein, the model of main processing is STM32F407ZET6, and first network chip module adopts the Ethernet chip that the model is W5500, network port connector adopts the RJ45 connector. The circuit connection of the Ethernet chip, the main processor and the first network isolator is shown in figures 2-4. The circuit connection forms of the 8-path Ethernet interfaces are completely the same, and the partial circuit is mainly used for simulating and realizing the 8-path Ethernet communication function on the single board.

In this embodiment, the motherboard switching interface includes a second network chip module, a second network isolator, and a DB25 connector, which are connected in sequence; wherein, the second network chip module is connected with a main processor, and the DB25 connector is also connected with the main processor. The second network chip module also adopts an ethernet chip with the model number W5500, and the circuit connection between the second network isolator and the DB25 connector is shown in fig. 5 and 6. The partial circuit is mainly used for realizing switching with a motherboard through a DB25 connector and identifying the slot number.

As shown in fig. 7, the power management module adopted in this embodiment is configured to provide 5V and 3.3V voltages for the processor and each interface circuit after the external 24V power management module converts the power.

As shown in fig. 8, the storage module adopted in this embodiment is mainly used for storing the setting parameters, the state information, and the like of the board.

Through the design, the utility model discloses utilize the front panel interface to simulate the signal input/output of veneer, utilize mother board switching interface and mother board to carry out the switching to realize the simulation of ETF8 veneer 8 way ethernet interface, the personnel of being convenient for attend to the training improve training efficiency at SDH analogue simulation ware's veneer analog operation, reduce the training cost.

The above embodiment is only one of the preferred embodiments of the present invention, and should not be used to limit the protection scope of the present invention, but all the insubstantial changes or modifications made in the spirit and the idea of the main design of the present invention, the technical problems solved by the embodiment are still consistent with the present invention, and all should be included in the protection scope of the present invention.

Claims

1. An ETF8 simulation single board of an SDH simulator is characterized by comprising a main processor, a front panel interface connected with the main processor and used for interface signal input and output, a motherboard switching interface connected with the main processor and used for switching with a motherboard, a storage module connected with the main processor and used for storage, and a power supply management module used for supplying power; the front panel interface comprises 8 paths of Ethernet analog interfaces; each path of Ethernet analog interface comprises a first network chip module, a network isolator module and a network port connector which are connected in sequence; the first network chip module is connected with the main processor.

2. The ETF8 simulation board of SDH simulator according to claim 1, wherein the motherboard switching interface comprises a second network chip module, a second network isolator and a DB25 connector, which are connected in sequence; wherein, the second network chip module is connected with a main processor, and the DB25 connector is also connected with the main processor.

3. The ETF8 simulation board of an SDH simulator according to claim 2, wherein the first network chip module and the second network chip module both use ethernet chips with a model number of W5500.

4. The ETF8 simulation board of SDH simulator according to claim 3, wherein the network port connector is RJ45 connector.