CN216016897U - Module circuit of 8-port OLT - Google Patents
Module circuit of 8-port OLT Download PDFInfo
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- CN216016897U CN216016897U CN202121992022.2U CN202121992022U CN216016897U CN 216016897 U CN216016897 U CN 216016897U CN 202121992022 U CN202121992022 U CN 202121992022U CN 216016897 U CN216016897 U CN 216016897U
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Abstract
The utility model relates to the technical field of Ethernet switching, in particular to a module circuit of an 8-port OLT, which comprises: a main control module; the switching module is set as a BCM50285 chip, and the input end and the output end corresponding to the BCM50285 chip are connected with the main control module; the EPON MAC module is provided with two CS8022 chips, and the input end and the output end corresponding to the two CS8022 chips are connected with the corresponding end of a BCM50285 chip; the Ethernet gigabit SFP interface module is set as two 4-Port OLT PON SFP interfaces, and the two 4-Port OLT PON SFP interfaces are respectively connected with corresponding ports of the CS8022 chip.
Description
Technical Field
The utility model relates to the technical field of Ethernet switching, in particular to a module circuit of an 8-port OLT.
Background
The interfaces of the switch exchange of the current Ethernet are all single, so that in the using process, when the Ethernet PHY, the Ethernet gigabit and the Ethernet gigabit are exchanged, the Ethernet is very inconvenient to use, a plurality of interfaces can be exchanged for use, and the interfaces are designed in a centralized manner to facilitate better use.
Disclosure of Invention
The utility model aims to provide a module circuit of an 8-port OLT (optical line terminal) to solve the problem of inconvenience in use caused by single Ethernet interface.
In order to achieve the above object, the present invention is widely applied to the technical solution of the switch of the ethernet, and particularly provides the following technical solutions: a module circuit of an 8-port OLT, comprising:
a main control module;
the switching module is set as a BCM50285 chip, and the input end and the output end corresponding to the BCM50285 chip are connected with the main control module;
the EPON MAC module is provided with two CS8022 chips, and the input end and the output end corresponding to the two CS8022 chips are connected with the corresponding end of a BCM50285 chip;
the Ethernet gigabit SFP interface module is set as two 4-Port OLT PON SFP interfaces, and the two 4-Port OLT PON SFP interfaces are respectively connected with corresponding ports of the CS8022 chip;
the Ethernet module is provided with two RTL8201F chips, and the two RTL8201F chips are respectively used for being connected between the main control module and the two CS8022 chips and used for sending and receiving data frames of the Ethernet.
Preferably, the main control module is a BC56150 chip.
Preferably, the module circuit of the 8-port OLT further comprises a 32MB SPI Nor Flash storage module and a 512MB16bit DDR3 SDRAM storage module;
the 32MB SPI Nor Flash storage module is connected with the BC56150 chip through an SPI interface and is used for storing mirror images;
the 512MB16bit DDR3 SDRAM storage module is connected with the BC56150 chip through an SPI interface, and the software running process of the module circuit is stored.
Preferably, the module circuit of the 8-port OLT further comprises an EPLD programmable counter and an LED; the input end of the EPLD programmable counter is connected with the corresponding end of the BC56150 chip, and the output end of the EPLD programmable counter is connected with the LED.
Preferably, the module circuit of the 8-Port OLT further includes an ethernet gigabit RJ45 interface module, the ethernet gigabit RJ45 interface module is set as an 8 × Port GE RJ45 interface, and the 8 × Port GE RJ45 interface is connected to the corresponding end of the BC56150 chip.
Preferably, the module circuit of the 8-Port OLT further includes an ethernet gigabit SFP interface module, the ethernet gigabit SFP interface module is set as a 4 × Port 10GE SEP interface, and the 4 × Port 10GE SEP interface is connected to a corresponding end of the BC56150 chip.
Compared with the prior art, the utility model has the beneficial effects that:
the utility model adopts the Botong BCM56150 exchange chip to be responsible for data processing and forwarding, and the BCM56150 exchange chip has a management function, so that a command line and Web can be managed; meanwhile, data conversion is carried out between the BCM50285 chip and the CS8022 chip and the Ethernet module, and signal conversion between Ethernet numbers is realized through two 4 Port OLT PON SFP interfaces, 8 Port GE RJ45 interfaces and 4 Port 10GE SEP interfaces, so that a plurality of interfaces are exchanged for use, and the circuit layout structure is simple, convenient and practical.
Drawings
Fig. 1 is a block schematic diagram of the circuit of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1, an embodiment of the present invention:
a module circuit of an 8-port OLT comprises:
a main control module;
the switching module is set as a BCM50285 chip, and the input end and the output end corresponding to the BCM50285 chip are connected with the main control module;
the EPON MAC module is provided with two CS8022 chips, and the input end and the output end corresponding to the two CS8022 chips are connected with the corresponding end of a BCM50285 chip;
the Ethernet gigabit SFP interface module is set as two 4-Port OLT PON SFP interfaces, and the two 4-Port OLT PON SFP interfaces are respectively connected with corresponding ports of the CS8022 chip;
the Ethernet module is provided with two RTL8201F chips, and the two RTL8201F chips are respectively used for connecting the main control module and the two CS8022 chips and used for sending and receiving data frames of the Ethernet;
the CS8022 chip completes the data flow management and MPCP protocol processing functions of the message in order to realize the conversion of two 4 × Port OLT PON SFP interfaces and Ethernet SerDes interfaces.
The main control module is set as a BC56150 chip, wherein the BC56150 chip is responsible for data processing and forwarding, and the BC56150 chip has a management function and can manage by a command line and Web.
The module circuit of the 8-port OLT further comprises a 32MB SPI Nor Flash storage module and a 512MB16bit DDR3 SDRAM storage module;
the 32MB SPI Nor Flash storage module is connected with the BC56150 chip through an SPI interface and is used for storing mirror images;
the 512MB16bit DDR3 SDRAM storage module is connected with the BC56150 chip through an SPI interface, and the software running process of the module circuit is stored.
The module circuit of the 8-port OLT also comprises an EPLD programmable counter and an LED; the input end of the EPLD programmable counter is connected with the corresponding end of the BC56150 chip, and the output end of the EPLD programmable counter is connected with the LED.
The module circuit of the 8-Port OLT further comprises an Ethernet gigabit RJ45 interface module, the Ethernet gigabit RJ45 interface module is set as an 8 × Port GE RJ45 interface, and the 8 × Port GE RJ45 interface is connected with the corresponding end of the BC56150 chip;
the 8 ports GE RJ45 interface is used for the interconnection of Ethernet switching modules through the MDI interface, and 8 gigabit Ethernet electric interfaces are provided for users.
The module circuit of the 8-Port OLT further comprises an Ethernet gigabit SFP interface module, the Ethernet gigabit SFP interface module is set as a 4 Port 10GE SEP interface, and the 4 Port 10GE SEP interface is connected with the corresponding end of the BC56150 chip;
the Ethernet module is used for being interconnected with the SerDes interface through a 4 × Port 10GE SEP interface, and provides 4 gigabit Ethernet SFP optical interfaces/gigabit Ethernet SFP + optical interfaces for users.
Example (b):
the utility model adopts the Botong BCM56150 exchange chip to be responsible for data processing and forwarding, and the BCM56150 exchange chip has a management function, so that a command line and Web can be managed; meanwhile, data conversion is carried out between the BCM50285 chip and the CS8022 chip and the Ethernet module, and signal conversion between Ethernet numbers is realized through two 4 Port OLT PON SFP interfaces, 8 Port GE RJ45 interfaces and 4 Port 10GE SEP interfaces, so that a plurality of interfaces are exchanged for use, and the circuit layout structure is simple, convenient and practical.
It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Claims (6)
1. A module circuit of 8-port OLT is characterized in that: the method comprises the following steps:
a main control module;
the switching module is set as a BCM50285 chip, and the input end and the output end corresponding to the BCM50285 chip are connected with the main control module;
the EPON MAC module is provided with two CS8022 chips, and the input end and the output end corresponding to the two CS8022 chips are connected with the corresponding end of a BCM50285 chip;
the Ethernet gigabit SFP interface module is set as two 4-Port OLT PON SFP interfaces, and the two 4-Port OLT PON SFP interfaces are respectively connected with corresponding ports of the CS8022 chip;
the Ethernet module is provided with two RTL8201F chips, and the two RTL8201F chips are respectively used for being connected between the main control module and the two CS8022 chips and used for sending and receiving data frames of the Ethernet.
2. The modular circuit of an 8-port OLT of claim 1, wherein: the main control module is set as a BC56150 chip.
3. The modular circuit of an 8-port OLT of claim 2, wherein: the module circuit of the 8-port OLT further comprises a 32MB SPI Nor Flash storage module and a 512MB16bit DDR3 SDRAM storage module;
the 32MB SPI Nor Flash storage module is connected with the BC56150 chip through an SPI interface and is used for storing mirror images;
the 512MB16bit DDR3 SDRAM storage module is connected with the BC56150 chip through an SPI interface, and the software running process of the module circuit is stored.
4. The modular circuit of an 8-port OLT of claim 2, wherein: the module circuit of the 8-port OLT also comprises an EPLD programmable counter and an LED; the input end of the EPLD programmable counter is connected with the corresponding end of the BC56150 chip, and the output end of the EPLD programmable counter is connected with the LED.
5. The modular circuit of an 8-port OLT of claim 2, wherein: the modular circuit of the 8-Port OLT further comprises an Ethernet gigabit RJ45 interface module, the Ethernet gigabit RJ45 interface module is set as an 8 × Port GE RJ45 interface, and the 8 × Port GE RJ45 interface is connected with the corresponding end of the BC56150 chip.
6. The modular circuit of an 8-port OLT of claim 2, wherein: the module circuit of the 8-Port OLT further comprises an Ethernet gigabit SFP interface module, the Ethernet gigabit SFP interface module is set as a 4 Port 10GE SEP interface, and the 4 Port 10GE SEP interface is connected with the corresponding end of the BC56150 chip.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121992022.2U CN216016897U (en) | 2021-08-20 | 2021-08-20 | Module circuit of 8-port OLT |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121992022.2U CN216016897U (en) | 2021-08-20 | 2021-08-20 | Module circuit of 8-port OLT |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216016897U true CN216016897U (en) | 2022-03-11 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121992022.2U Active CN216016897U (en) | 2021-08-20 | 2021-08-20 | Module circuit of 8-port OLT |
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| CN (1) | CN216016897U (en) |
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2021
- 2021-08-20 CN CN202121992022.2U patent/CN216016897U/en active Active
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