CN203554447U - Gigabit intelligent type optical fiber transceiver - Google Patents
Gigabit intelligent type optical fiber transceiver Download PDFInfo
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- CN203554447U CN203554447U CN201320625799.4U CN201320625799U CN203554447U CN 203554447 U CN203554447 U CN 203554447U CN 201320625799 U CN201320625799 U CN 201320625799U CN 203554447 U CN203554447 U CN 203554447U
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Abstract
The utility model relates to a gigabit intelligent type optical fiber transceiver. The gigabit intelligent type optical fiber transceiver comprises a processor control unit, an input terminal and an output terminal of the processor control unit are respectively connected with input and output terminals of a backboard unit, a serial port and an exchange unit, and the exchange unit integrates PHY physical layers. According to the gigabit intelligent type optical fiber transceiver, the processor control unit is an intelligent type processor integrated with resources of an enhanced 8051 processor hardcore and FPGA etc., the complete customizable system design and IP protection capability can be achieved, the design is simplified, the transceiver is easy to use, and the cost is lowered; the exchange unit is an MAC chip integrated with the PHY physical layers, and data exchange can be performed by a gigabit Fiber interface and a GE interface; only two integrated chips are needed to accomplish the optical fiber transceiver, the structure is simple, the application is easy, the performance is excellent, and the cost is low.
Description
Technical field
The utility model relates to Ethernet communication technology field, the intelligent fiber optical transceiver of especially a kind of gigabit.
Background technology
Along with the fast development of Modern Information based, day by day strong to the demand of various multimedia communications, promoted the development of Ethernet access technique, the scope that Access Network is covered expands rapidly, to the access capability of Access Network, requires also more and more higher.The Access Network that existing a large amount of copper cash and twisted-pair feeder form can only be by even shorter electric signal transmission hundreds of rice, no matter still cannot meet the demands aspect covering scope in transmission range, it is very necessary that introducing optical fiber meets these requirements.Optical fiber communication has the advantages such as volume is little, information capacity is large, transmission range is long, confidentiality is good, non-relay, makes Optical Access Network become the main direction of Future Access Network development, and especially optical fiber direct is received user side.
Traditional Optical Access Network technology not only will be furnished with optical fiber information outlets and fiber box, and need to be equipped with a series of equipment such as optical fiber network interface card and light exit hub, the existing a large amount of twisted pairs of copper wire of having invested excessive, very large waste.Because the demand of broadband services exists a lot of uncertain factors, and in the situation that in a period of time afterwards, twisted pairs of copper wire also has use value, some transitional products by copper cash apparatus optical fiber product will have very large market.The appearance of fiber optical transceiver, changes the twisted-pair feeder signal of telecommunication and optical fiber signal mutually, has guaranteed that packet is two internetwork smooth and easy transmission, and it expands to 100 kilometers (monomode fibers) by the limit of transmission range from hundreds of rice simultaneously.Fiber optical transceiver has not only been simplified the upgrading of local area network (LAN) greatly, and can protect the investment of original copper cable lan device.The fiber optical transceiver of existing application has only supports 10M/100M, has plenty of non intelligent type, and some design comparison complexity, cost compare are high.
Utility model content
The purpose of this utility model is to provide a kind of gigabit simple in structure, that cost is low intelligent fiber optical transceiver.
For achieving the above object, the utility model has adopted following technical scheme: the intelligent fiber optical transceiver of a kind of gigabit, comprise processor control unit, its input/output terminal is connected with the input/output terminal of the crosspoint of backboard unit, serial ports, integrated PHY physical layer respectively.
Described processor control unit is comprised of FPGA control module, DPRAM module and MCU control module, FPGA control module is by RS422 bus and backboard unit communications, FPGA control module is by MII interface and crosspoint communication, the input/output terminal of FPGA control module is connected with the input/output terminal of DPRAM module, the input/output terminal of DPRAM module is connected with the input/output terminal of MCU control module by local data address bus, MCU control module is by CLI Command Line Interface and serial communication, and MCU control module is by MDIO interface and crosspoint communication.
Described crosspoint adopts MAC chip, and MAC chip is two layers of Fast Ethernet exchange chip.
Described processor control unit adopts CME-M1 processor.
Described backboard unit is to processor control unit, crosspoint power supply.
As shown from the above technical solution, the resources such as enhancement mode 8051 processor stones and FPGA that processor control unit in the utility model has been integrated are in the intelligent processor of one, can realize complete Configurable system design and IP protective capability, simplify design, be easy to use and reduced cost; Crosspoint the has been integrated MAC chip of PHY physical layer, carries out exchanges data by a gigabit Fiber interface and a GE interface.Visible, the utility model only needs 2 integrated chips to complete, not only simple in structure, be easy to application, and performance is powerful, cost is lower.
Accompanying drawing explanation
Fig. 1 is circuit block diagram of the present utility model.
Embodiment
The intelligent fiber optical transceiver of a kind of gigabit, comprises processor control unit 2, and its input/output terminal is connected with the input/output terminal of the crosspoint 1 of backboard unit 3, serial ports 4, integrated PHY physical layer respectively.Described processor control unit 2 is by FPGA control module, DPRAM module and MCU control module composition, FPGA control module is by RS422 bus and 3 communications of backboard unit, FPGA control module is by MII interface and crosspoint 1 communication, the input/output terminal of FPGA control module is connected with the input/output terminal of DPRAM module, the input/output terminal of DPRAM module is connected with the input/output terminal of MCU control module by local data address bus, MCU control module is by CLI Command Line Interface and serial ports 4 communications, MCU control module is by MDIO interface and crosspoint 1 communication.Described crosspoint 1 adopts MAC chip, and MAC chip is two layers of Fast Ethernet exchange chip.Described processor control unit 2 adopts CME-M1 processor.As shown in Figure 1.
Below in conjunction with Fig. 1, the utility model is further described.
Described crosspoint 1 is supported control and the forwarding of gigabit of traffic amount data, supports Qos service quality, user access control list, NAT network address translation; Crosspoint 1 receives the control signal from MCU control module by MDIO interface, carries out the message interaction of OAM by Media Independent Interface MII and FPGA control module, by MAC chip, a gigabit Fiber interface and a GE interface, carries out exchanges data.
The resources such as enhancement mode 8051 processor stones and FPGA that described processor control unit 2 has been integrated, in the intelligent processor of one, can realize complete Configurable system design and IP protective capability, have simplified design, are easy to use and reduced cost.Described MCU control module writes DPRAM module by OAM instruction, and FPGA control module reads this information from DPRAM module, is converted to high speed OAM message and carries out exchanges data by MII interface and crosspoint 1; FPGA control module receives the control command transmitting from backboard unit 3, and this instruction is write to DPRAM module, and MCU control module is read this control command from DPRAM module; Crosspoint 1 receives the control signal of MCU control module by MDIO interface, by Fiber optical fiber and Lan local area network (LAN), carry out exchanges data.
The preliminary treatment of described FPGA control module, comprise establishment and the parsing of OAM message, the FCS check of OAM message, the sequential coupling of low speed/high-speed data, the ID coupling of the control command of the RS422 bus of backboard unit 1 etc., FPGA control module is obtained the power supply of fiber optical transceiver from backboard unit 3, by MDIO interface, the register to crosspoint 1 and PHY physical layer are configured MCU control module.The OAM information management that MCU control module can be accepted by the gigabit Fiber interface of crosspoint 1.MCU control module can receive the control command of the main control card that the RS422 bus in backboard unit 3 connects.
The control command that described backboard unit 3 sends control card by RS422 bus is sent in processor control unit 2; Described backboard unit 3, for providing required power supply to described processor control unit 2, crosspoint 1, is used for the MCU control module of described processor control unit 2 that control signal is provided by RS422 bus; The power supply of backboard unit 3 is provided by two-way switch power supply, and redundancy backup each other.
Described serial ports 4 carries out instruction configuration by CLI Command Line Interface to the MCU control module of processor control unit 2.
In sum, the utility model only needs 2 integrated chips to complete, not only simple in structure, be easy to application, and performance is powerful, cost is lower.
Claims (5)
1. the intelligent fiber optical transceiver of gigabit, is characterized in that: comprise processor control unit (2), its input/output terminal is connected with the input/output terminal of the crosspoint (1) of backboard unit (3), serial ports (4), integrated PHY physical layer respectively.
2. the intelligent fiber optical transceiver of gigabit according to claim 1, it is characterized in that: described processor control unit (2) is by FPGA control module, DPRAM module and MCU control module composition, FPGA control module is by RS422 bus and backboard unit (3) communication, FPGA control module is by MII interface and crosspoint (1) communication, the input/output terminal of FPGA control module is connected with the input/output terminal of DPRAM module, the input/output terminal of DPRAM module is connected with the input/output terminal of MCU control module by local data address bus, MCU control module is by CLI Command Line Interface and serial ports (4) communication, MCU control module is by MDIO interface and crosspoint (1) communication.
3. the intelligent fiber optical transceiver of gigabit according to claim 1, is characterized in that: described crosspoint (1) adopts MAC chip, and MAC chip is two layers of Fast Ethernet exchange chip.
4. the intelligent fiber optical transceiver of gigabit according to claim 1, is characterized in that: described processor control unit (2) adopts CME-M1 processor.
5. the intelligent fiber optical transceiver of gigabit according to claim 1, is characterized in that: described backboard unit (3) is to processor control unit (2), crosspoint (1) power supply.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320625799.4U CN203554447U (en) | 2013-10-11 | 2013-10-11 | Gigabit intelligent type optical fiber transceiver |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320625799.4U CN203554447U (en) | 2013-10-11 | 2013-10-11 | Gigabit intelligent type optical fiber transceiver |
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| Publication Number | Publication Date |
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| CN203554447U true CN203554447U (en) | 2014-04-16 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201320625799.4U Expired - Fee Related CN203554447U (en) | 2013-10-11 | 2013-10-11 | Gigabit intelligent type optical fiber transceiver |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104618212A (en) * | 2015-01-06 | 2015-05-13 | 浪潮电子信息产业股份有限公司 | Device and method for multi-partition application layer interconnection of tide tissot K1 |
| CN105045736A (en) * | 2015-07-01 | 2015-11-11 | 浪潮电子信息产业股份有限公司 | 25-port high-speed back plate |
| CN106160851A (en) * | 2016-09-05 | 2016-11-23 | 申瓯通信设备有限公司 | A kind of fiber optical transceiver with OAM |
| CN106849359A (en) * | 2017-02-27 | 2017-06-13 | 积成电子股份有限公司 | Protective relaying device monitoring system and its data analysing method based on LVDS buses |
-
2013
- 2013-10-11 CN CN201320625799.4U patent/CN203554447U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104618212A (en) * | 2015-01-06 | 2015-05-13 | 浪潮电子信息产业股份有限公司 | Device and method for multi-partition application layer interconnection of tide tissot K1 |
| CN105045736A (en) * | 2015-07-01 | 2015-11-11 | 浪潮电子信息产业股份有限公司 | 25-port high-speed back plate |
| CN105045736B (en) * | 2015-07-01 | 2018-02-23 | 浪潮电子信息产业股份有限公司 | 25-port high-speed back plate |
| CN106160851A (en) * | 2016-09-05 | 2016-11-23 | 申瓯通信设备有限公司 | A kind of fiber optical transceiver with OAM |
| CN106160851B (en) * | 2016-09-05 | 2018-08-03 | 申瓯通信设备有限公司 | A kind of fiber optical transceiver of band OAM |
| CN106849359A (en) * | 2017-02-27 | 2017-06-13 | 积成电子股份有限公司 | Protective relaying device monitoring system and its data analysing method based on LVDS buses |
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Legal Events
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140416 Termination date: 20211011 |
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| CF01 | Termination of patent right due to non-payment of annual fee |