CN203340087U - Network optical fiber transceiver - Google Patents

Abstract

The utility model discloses a network optical fiber transceiver, comprising a switching chip, an MCU single chip microcomputer, a first DATA data module, a second DATA data module, a CPLD complex programmable logic device, an SER serializer, a DESER deserializer, and an optical fiber interface, wherein the switching chip is connected with the MCU single chip microcomputer and the CPLD complex programmable logic device, the MCU single chip microcomputer is connected with the first DATA data module and the CPLD complex programmable logic device, the second DATA data module, the SER serializer and the DESER deserializer are connected with the CPLD complex programmable logic device, and the SER serializer and the DESER deserializer are connected with the optical fiber interface. According to the network optical fiber transceiver, a hyperterminal management mode is adopted, and the problems brought by IP management is omitted; and the integrated transmission of network management signals and data signals is realized, the transmission bandwidth is effectively utilized, the safety and quality of network management signal transmission are guaranteed, and the network optical fiber transceiver supports the embedded network management function and can provide multi-service transmission processing.

Description

A kind of network fiber transceiver

Technical field

The utility model relates to the video data transmitting administrative skill field in Video Surveillance Industry, refers in particular to a kind of network fiber transceiver of supporting embedded network management function and the multi-service transmission process being provided.

Background technology

The quantity of the web camera used in the current video monitoring trade is more and more, network size is more and more huger, therefore on transmission channel except transmitting common Ethernet data, also need to be designed with reliable and stable passage in order to communications of control data or network management data, be convenient to opening and safeguarding of network, reduce the network opening cost, can realize the remote analysis location to service exception and the fault occurred in network operation process simultaneously.

The generally popular network management scheme of industry is now, distributes a fixed ip address to each network fiber transceiver, by special data channel, realizes the WEB management.But along with the quick increase of web camera quantity, and expansibility of network size, its shortcoming is also more and more outstanding.At first, each transceiver distributes an IP address, can cause the significant wastage of IP address; Its two, from the angle of network management, huge route data is to the rapid analysis of network management data, processes and controls and cause very big burden; The 3rd, the IP address conflict in network is easily caused in a large amount of IP addresses, and for network design, the IP management in engineering construction has proposed harsh requirement.The 4th, independently network management path design, cost will be far away higher than integrated management in band.

The utility model content

The utility model is in order to overcome shortcomings above in prior art, and a kind of network fiber transceiver of supporting embedded network management function and the multi-service transmission process being provided is provided.

To achieve these goals, the utility model is by the following technical solutions:

A kind of network fiber transceiver, the exchange chip that comprises Ethernet switch, the MCU single-chip microcomputer, the one DATA data module, the 2nd DATA data module, the CPLD CPLD, the SER serializer, the DESER deserializer, optical fiber interface and power supply module, the exchange chip of described Ethernet switch connects MCU single-chip microcomputer and CPLD CPLD, described MCU single-chip microcomputer connects a DATA data module and CPLD CPLD, described the 2nd DATA data module, the SER serializer is connected the CPLD CPLD with the DESER deserializer, described SER serializer is connected optical fiber interface with the DESER deserializer, described power supply module all with the exchange chip of Ethernet switch, the MCU single-chip microcomputer, the one DATA data module, the 2nd DATA data module, the CPLD CPLD, the SER serializer, the DESER deserializer is connected with optical fiber interface.

Exchange chip connects MCU single-chip microcomputer, condition monitoring and management by the MCU chip microcontroller to exchange chip; The MCU single-chip microcomputer connects a DATA data module, inquiry and configuration by the MCU chip microcontroller to network management information; The MCU single-chip microcomputer connects the CPLD CPLD, and the 2nd DATA data module connects CPLD CPLD, inquiry and configuration by the MCU chip microcontroller to low speed data; The MCU single-chip microcomputer connects the CPLD CPLD, the SER serializer is connected the CPLD CPLD with the DESER deserializer, the SER serializer is connected the optical cable interface with the DESER deserializer, inquiry and configuration by the MCU chip microcontroller to the optical cable Interface status, design has reached the purpose of supporting embedded network management function and the multi-service transmission process being provided like this.

As preferably, the exchange chip of described Ethernet switch comprises some local network interface LAN and a long-range network interface WAN, described long-range network interface WAN is connected with the CPLD CPLD by the RMII interface, for realizing two layers of function of exchange of each port.

As preferably, described MCU single-chip microcomputer connects the SMI interface of exchange chip by general I/O mouth, the MCU single-chip microcomputer uses general I/O mouth (GPIO) simulation SMI interface, and the SMI interface of exchange chip communicates, and realizes condition monitoring and management to exchange chip.

As preferably, described MCU single-chip microcomputer connects the CPLD CPLD by universal serial bus, MCU is used general I/O mouth (GPIO) simulation serial bus interface and CPLD CPLD to communicate, and realizes inquiry and configuration to low speed data, light mouth state and network management information.

As preferably, described MCU single-chip microcomputer is connected with a DATA data module by the universal asynchronous transmission and reception apparatus of UART, inquiry and the configuration of realization to network management information.

As preferably, described optical fiber interface comprises two fine single-mode optical modules and SFR optical module, and wherein two fine single-mode optical modules and SFR optical module compatibility can be according to different demand choosing welderings in same position.

As preferably, a described DATA data module interconnection network management system, realize inquiry and configuration to network management information.

The beneficial effects of the utility model are: adopt the management mode of hyper terminal, omitted the series of problems brought by the IP management; And realized the integrated transmission of webmaster signal and data-signal effectively having utilized transmission bandwidth, and guaranteed safety and the quality of the transmission of webmaster signal, and than the traditional scheme cost, significantly reduce simultaneously, support embedded network management function and the multi-service transmission process can be provided.

The accompanying drawing explanation

Fig. 1 is a kind of structural representation of the present utility model.

In figure: 1. exchange chip, 2.MCU single-chip microcomputer, a 3. DATA data module, 4. the 2nd DATA data module, 5.CPLD CPLD, 6.SER serializer, 7.DESER deserializer, 8. optical fiber interface, 9. network management system.

Embodiment

Below in conjunction with the drawings and specific embodiments, the utility model is further described.

In embodiment as described in Figure 1, a kind of network fiber transceiver, comprise the exchange chip 1 of Ethernet switch, MCU single-chip microcomputer 2, the one DATA data module 3, the 2nd DATA data module 4, CPLD CPLD 5, SER serializer 6, DESER deserializer 7, optical fiber interface 8 and power supply module, optical fiber interface 8 comprises two fine single-mode optical modules and SFR optical module, two fine single-mode optical modules and SFR optical module are compatible, the exchange chip 1 of Ethernet switch connects MCU single-chip microcomputer 2 and CPLD CPLD 5, MCU single-chip microcomputer 2 connects a DATA data module 3 and CPLD CPLD 5, the one DATA data module 3 interconnection network management system 9, the two DATA data modules 4, SER serializer 6 is connected CPLD CPLD 5 with DESER deserializer 7, and SER serializer 6 is connected optical fiber interface 8 with DESER deserializer 7, power supply module all with the exchange chip 1 of Ethernet switch, MCU single-chip microcomputer 2, the one DATA data module 3, the 2nd DATA data module 4, CPLD CPLD 5, SER serializer 6, DESER deserializer 7 is connected with optical fiber interface 8.Wherein: the exchange chip 1 of Ethernet switch comprises some local network interface LAN and a long-range network interface WAN, and long-range network interface WAN is connected with CPLD CPLD 5 by the RMII interface.MCU single-chip microcomputer 2 connects the SMI interface of exchange chip 1 by general I/O mouth; MCU single-chip microcomputer 2 connects CPLD CPLD 5 by universal serial bus; MCU single-chip microcomputer 2 is connected with a DATA data module 3 by the universal asynchronous transmission and reception apparatus of UART.

The exchange chip 1 of Ethernet switch provides some local network interface LAN and a long-range network interface WAN, realizes two layers of function of exchange of each port, and wherein long-range network interface is communicated by letter with CPLD CPLD 5 by the RMII interface.MCU single-chip microcomputer 2 uses general I/O mouth GPIO simulation SMI interface, and the SMI interface of exchange chip 1 communicates, and realizes condition monitoring and management to exchange chip 1; MCU single-chip microcomputer 2 uses general I/O mouth GPIO Simulation with I 2C serial bus interface and CPLD CPLD 5 to communicate, and realizes inquiry and configuration to low speed data, light mouth state and network management information.The one DATA data module 3 and the 2nd DATA data module 4 realize the level conversion of low speed data various criterion and control function, when using the audio frequency little module, realize pattern conversion and the digital-to-analogue conversion of audio frequency.CPLD CPLD 5 is realized time division multiplexing, demultiplexing, state-detection and the scrambler decoding work of Ethernet data, low speed data and network management data.The parallel signal that SER serializer 6 is sent CPLD CPLD 5 here is converted to serial signal, gives two fine single-mode optical module or SFR optical module in optical fiber interface 8.The serial signal that DESER deserializer 7 is sent the two fine single-mode optical module in optical fiber interface 8 or SFR optical module here is converted to parallel signal, gives CPLD CPLD 5 and processes.Two fine single-mode optical module in optical fiber interface 8 or SFR optical module are realized the opto-electronic conversion of signal.Power supply module is converted to the inner various voltages that need to the power supply of outside input and is powered.

The above embodiment has only expressed embodiment of the present utility model, and it describes comparatively concrete and detailed, but can not therefore be interpreted as the restriction to the utility model the scope of the claims.It should be pointed out that for the person of ordinary skill of the art, without departing from the concept of the premise utility, can also make some distortion and improvement, these all belong to protection range of the present utility model.

Claims (7)

1. a network fiber transceiver, is characterized in that, comprises the exchange chip (1) of Ethernet switch, MCU single-chip microcomputer (2), the one DATA data module (3), the 2nd DATA data module (4), CPLD CPLD (5), SER serializer (6), DESER deserializer (7), optical fiber interface (8) and power supply module, the exchange chip of described Ethernet switch (1) connects MCU single-chip microcomputer (2) and CPLD CPLD (5), described MCU single-chip microcomputer (2) connects a DATA data module (3) and CPLD CPLD (5), described the 2nd DATA data module (4), SER serializer (6) is connected CPLD CPLD (5) with DESER deserializer (7), described SER serializer (6) is connected optical fiber interface (8) with DESER deserializer (7), described power supply module all with the exchange chip (1) of Ethernet switch, MCU single-chip microcomputer (2), the one DATA data module (3), the 2nd DATA data module (4), CPLD CPLD (5), SER serializer (6), DESER deserializer (7) is connected with optical fiber interface (8).

2. a kind of network fiber transceiver according to claim 1, it is characterized in that, the exchange chip of described Ethernet switch (1) comprises some local network interface LAN and a long-range network interface WAN, and described long-range network interface WAN is connected with CPLD CPLD (5) by the RMII interface.

3. a kind of network fiber transceiver according to claim 1, is characterized in that, described MCU single-chip microcomputer (2) connects the SMI interface of exchange chip (1) by general I/O mouth.

4. according to the described a kind of network fiber transceiver of claim 1 or 3, it is characterized in that, described MCU single-chip microcomputer (2) connects CPLD CPLD (5) by universal serial bus.

5. according to the described a kind of network fiber transceiver of claim 1 or 3, it is characterized in that, described MCU single-chip microcomputer (2) is connected with a DATA data module (3) by the universal asynchronous transmission and reception apparatus of UART.

6. a kind of network fiber transceiver according to claim 1, is characterized in that, described optical fiber interface (8) comprises two fine single-mode optical modules and SFR optical module.

7. a kind of network fiber transceiver according to claim 5, is characterized in that, described DATA data module (a 3) interconnection network management system (9).

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