A multifunctional PON terminal device

Abstract

The utility model relates to the field of optical communication technology, and specifically discloses a multifunctional PON terminal device, including a 10G optical function module, a 2.5G optical function module, a 2.5G PHY module, a PSE module, a POE network transformer and a 2.5G network transformer. The 10G optical function module is respectively connected to the 2.5G optical function module, the 2.5G PHY module and multiple POE network transformers, and the 2.5G PHY module is also connected to a 2.5G network transformer; the 2.5G optical function module is also connected to multiple POE network transformers; multiple POE network transformers are all connected to the PSE module, each POE network transformer provides 2 RJ45 network ports, and the 2.5G network transformer provides one RJ45 network port. While providing basic 10G network access, the utility model can realize indoor optical networking and network cable networking, can use existing PON terminal hardware, provide more PSE network ports, and provide users with more networking solution options.

Description

Technical Field

[0001] The utility model relates to the technical field of optical communication, and more specifically, to a multifunctional PON terminal device. Background Art

[0002] In the existing technology, the mainstream technology implementation of FTTH and FTTR is specifically manifested in that operators provide users with ordinary PON terminal equipment to achieve home access to home optical fiber networks. In the radio and television industry, with the popularization of copper-to-optical conversion, most areas in China have achieved the popularization of PON optical modems entering homes. In recent years, with the high requirements of users for network access, FTTR technical solutions represented by Huawei solutions have gradually achieved comprehensive coverage of user network access from home to room through dedicated customized chips. However, this solution has the disadvantage that customized equipment must be purchased as a set, which is relatively expensive and is not conducive to the current needs of radio and television operators for flexible network deployment. Summary of the invention

[0003] The utility model provides a multifunctional PON terminal device to solve the problem in the prior art that the current mainstream PON terminal device has a single function and cannot meet the needs of multi-device networking within a home and full-room network optical access.

[0004] As a first aspect of the utility model, a multifunctional PON terminal device is provided, comprising a 10G optical function module, a 2.5G optical function module, a 2.5G PHY module, a PSE module, a POE network transformer and a 2.5G network transformer, wherein the 10G optical function module comprises a 10G SC / PC interface, a 10G BOSA, a 10G optical driver module and a 10G MCU module, one end of the 10G SC / PC interface is connected to an external 10G optical signal, the other end of the 10G SC / PC interface is connected to the 10G optical driver module through the 10G BOSA, and the 10G optical driver module is also connected to the 10G MCU module, the 2.5G optical function module comprises a 2.5G SC / PC interface, a 2.5G BOSA, a 2.5G optical driver module and a 2.5 MCU module, one end of the 2.5G SC / PC interface is connected to an external 2.5G optical signal, the other end of the 2.5G SC / PC interface is connected to the 10G optical driver module through the 2.5G BOSA is connected to the 2.5G optical drive module, the 2.5G optical drive module is also connected to the 2.5G MCU module, the 10G MCU module is respectively connected to the 2.5G MCU module, the 2.5G PHY module and multiple POE network transformers, the 2.5G PHY module is also connected to a 2.5G network transformer; the 2.5G MCU module is also connected to multiple POE network transformers; multiple POE network transformers are all connected to the PSE module, each of the POE network transformers provides 2 RJ45 network ports, and the 2.5G network transformer provides one RJ45 network port.

[0005] Furthermore, it also includes a power conversion module, the input end of the power conversion module is connected to an external power supply, and the output end of the power conversion module respectively powers the 10G MCU module, the 2.5G MCU module, the 10G optical driver module, the 2.5G optical driver module and the 2.5G PHY module.

[0006] Furthermore, the 10G MCU module, 2.5G MCU module and 2.5G PHY module all have independent system clocks; the 10G MCU module uses an independent clock XTAL-0, including Flash-0 and 4 external 1G UTP signals; the 2.5G MCU module uses an independent clock XTAL-1, including Flash-1 and 4 external 1G UTP signals; the 2.5GPHY module provides 1 2.5G UTP signal.

[0007] Furthermore, each of the POE network transformers provides two 1GE PSE RJ45 network ports, and the 2.5G network transformer provides one 2.5G RJ45 network port.

[0008] Furthermore, the 10G MCU module adopts the RTL9617CM chip.

[0009] Furthermore, the 10G optical drive module adopts the GN25L97B chip.

[0010] Furthermore, the 2.5G MCU module adopts the RTL9607C chip.

[0011] Furthermore, the 2.5G optical drive module adopts the GN25L95 chip.

[0012] Furthermore, the 2.5G PHY module uses the RTL8221B chip as the 2.5G PHY interface chip.

[0013] Furthermore, the PSE module uses a TMI7608 chip as a PSE protocol control chip.

[0014] The multifunctional PON terminal device provided by the utility model has the following advantages: while providing basic 10G network access, it can realize indoor optical networking and network cable networking, can adopt existing PON terminal hardware, provide more supported PSE network ports, save users' ordinary switch equipment, power supply and space, and provide users with more networking solution options. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the following specific embodiments, they are used to explain the present invention, but do not constitute a limitation to the present invention.

[0016] Figure 1 This is a structural block diagram of the multifunctional PON terminal device provided by the utility model.

[0017] Figure 2 A schematic diagram of a typical application scenario of the multifunctional PON terminal device provided by the utility model. DETAILED DESCRIPTION

[0018] In order to further explain the technical means and effects adopted by the utility model to achieve the predetermined utility model purpose, the following is a detailed description of the specific implementation, structure, features and effects of the multifunctional PON terminal device proposed according to the utility model in combination with the accompanying drawings and preferred embodiments. Obviously, the described embodiments are part of the embodiments of the utility model, not all of them. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the protection scope of the utility model.

[0019] In this embodiment, a multifunctional PON terminal device is provided, such as Figure 1 As shown, it includes a 10G optical function module, a 2.5G optical function module, a 2.5G PHY module, a PSE module, a POE network transformer and a 2.5G network transformer. The 10G optical function module includes a 10G SC / PC interface, a 10G BOSA, a 10G optical driver module and a 10G MCU module. One end of the 10G SC / PC interface is connected to an external 10G optical signal, and the other end of the 10G SC / PC interface is connected to the 10G optical driver module through the 10G BOSA. The 10G optical driver module is also connected to the 10G MCU module. The 2.5G optical function module includes a 2.5G SC / PC interface, a 2.5G BOSA, a 2.5G optical driver module and a 2.5 MCU module. One end of the 2.5G SC / PC interface is connected to an external 2.5G optical signal, and the other end of the 2.5G SC / PC interface is connected to the 2.5G optical driver module through the 2.5G BOSA is connected to the 2.5G optical drive module, the 2.5G optical drive module is also connected to the 2.5G MCU module, the 10G MCU module is respectively connected to the 2.5G MCU module, the 2.5G PHY module and multiple POE network transformers, the 2.5G PHY module is also connected to a 2.5G network transformer; the 2.5G MCU module is also connected to multiple POE network transformers; multiple POE network transformers are all connected to the PSE module, each of the POE network transformers provides 2 RJ45 network ports, and the 2.5G network transformer provides one RJ45 network port.

[0020] Specifically, the 10G SC / PC interface is connected to the external 10G optical signal, the 10G optical signal is connected to the 10G BOSA to realize the preliminary conversion of the optical and electrical signals, and the precise control of the input and output is realized through the 10G optical driver module. The 10G optical driver module is connected to the 10G MCU module through the SERDES bus, and the 10G MCU module realizes network signal processing and output. The 10G MCU module is connected to the 2.5G MCU module through the PCIEO and PCIE1 buses to realize the signal exchange between the 10G optical function module and the 2.5G optical function module. The 2.5G SC / PC port is connected to the 2.5G optical signal of multiple ordinary PON terminals in the user's home, and the 2.5G optical signal is connected to the 2.5G BOSA to realize the preliminary conversion of the optical and electrical signals. The precise control of the input and output is realized through the 2.5G optical driver module, and the 2.5G optical driver module is connected to the 2.5G MCU module. The 2.5G MCU module is connected to the 10G MCU module through the PCIEO and PCIE1 buses to realize the signal exchange between the 2.5G optical function module and the 10G optical function module. The 2.5G PHY module is connected to the 10G MCU module on the top and the 2.5G network transformer on the bottom. The 2.5G PHY module is used to expand a 2.5G network port to achieve 2.5G UTP signal output; the 10G MCU module and the 2.5G MCU module are respectively connected to the POE network transformer to achieve 8-way UTP signal output.

[0021] Preferably, it also includes a power conversion module, the input end of the power conversion module is connected to an external power supply DC 50VIN, the output end of the power conversion module provides 3.3V, 1.0V, and 0.9V voltages to the outside, and the output end of the power conversion module respectively powers the 10G MCU module, 2.5G MCU module, 10G optical driver module, 2.5G optical driver module, and 2.5G PHY module.

[0022] Specifically, the power conversion module includes a high voltage to 12V module and a 12V to low voltage module.

[0023] Specifically, the PSE module uses an external power supply DC 50V IN to implement the PSE function for the 8-channel UTP signals of the 10G MCU module and the 2.5G MCU module.

[0024] Preferably, the 10G MCU module, 2.5G MCU module and 2.5G PHY module are all equipped with independent system clocks; wherein, the 10G MCU module uses an independent clock XTAL-0, including Flash-0 and 4 external 1G UTP signals; the 2.5G MCU module uses an independent clock XTAL-1, including Flash-1 and 4 external 1G UTP signals; the 2.5GPHY module provides 1 2.5G UTP signal.

[0025] Preferably, each of the POE network transformers provides two 1GE PSE RJ45 network ports, and the 2.5G network transformer provides one 2.5G RJ45 network port.

[0026] Preferably, the 10G MCU module adopts the RTL9617CM chip. The 10G optical drive module adopts the GN25L97B chip. The 2.5G MCU module adopts the RTL9607C chip. The 2.5G optical drive module adopts the GN25L95 chip.

[0027] Preferably, the 2.5G PHY module uses an RTL8221B chip as a 2.5G PHY interface chip.

[0028] Preferably, the PSE module uses a TMI7608 chip as a PSE protocol control chip.

[0029] Preferably, the TX wavelength of 2.5G BOSA is 1490 nm, and the RX wavelength is 1310 nm.

[0030] The utility model provides a multifunctional PON terminal device, which is connected to the operator's OLT central office equipment through a 10G optical function module to achieve access to the highest 10G optical network. The 10G optical function module provides Internet signal access for the 2.5G optical function module. The 2.5G optical function module can achieve network access by mounting multiple common PON terminals in the user's home. The 10G optical function module and the 2.5G optical function module can provide a maximum of 8 1G UTP signals and 1 2.5G UTP signal. Through the PSE module, the POE network transformer is connected, and finally 8 1GE RJ45 network ports supporting PSE functions can be realized, which can realize the networking management and network access functions between the downstream devices, and further simplify the user's network access, networking, power supply and other requirements.

[0031] In actual application scenarios, the utility model can use different functions to network the whole house according to the actual needs of customers.

[0032] like Figure 2As shown, the operator's room OLT is connected to the 10G SC / PC port of the terminal device of the utility model through a splitter and registers normally. After successful registration, the 9 RJ45 interfaces provided by the terminal device of the utility model provide network access and networking switching functions for common household devices through network cables, among which the 2.5G RJ45 port can provide higher bandwidth data network access. The 8 1GE RJ45 ports have PSE functions to support af / at level POE power consumption, and can support power supply and network access functions for devices such as POE cameras and POEAP wireless panels. The 2.5G SC / PC port is connected to other ordinary PON terminal devices indoors through a splitter, which can realize indoor FTTR network deployment, and the management of downstream devices can be performed through the device.

[0033] The above description is only a preferred embodiment of the present invention, and does not constitute any form of limitation to the present invention. Although the present invention has been disclosed as a preferred embodiment as above, it is not intended to limit the present invention. Any technician familiar with the profession can make some changes or modifications to equivalent embodiments of equivalent changes using the technical contents disclosed above without departing from the scope of the technical solution of the present invention. However, any simple modification, equivalent changes and modifications made to the above embodiments based on the technical essence of the present invention without departing from the content of the technical solution of the present invention are still within the scope of the technical solution of the present invention.

Claims

1. A multifunctional PON terminal device, characterized in that: The invention comprises a 10G optical function module, a 2.5G optical function module, a 2.5GPHY module, a PSE module, a POE network transformer and a 2.5G network transformer. The 10G optical function module comprises a 10G SC / PC interface, a 10G BOSA, a 10G optical driver module and a 10G MCU module. One end of the 10G SC / PC interface is connected to an external 10G optical signal, and the other end of the 10G SC / PC interface is connected to the 10G optical driver module through the 10G BOSA. The 10G optical driver module is also connected to the 10G MCU module. The 2.5G optical function module comprises a 2.5G SC / PC interface, a 2.5G BOSA, a 2.5G optical driver module and a 2.5G MCU module. One end of the 2.5G SC / PC interface is connected to an external 2.5G optical signal, and the other end of the 2.5G SC / PC interface is connected to the 10G optical driver module through the 2.5G BOSA is connected to the 2.5G optical drive module, the 2.5G optical drive module is also connected to the 2.5G MCU module, the 10G MCU module is respectively connected to the 2.5G MCU module, the 2.5G PHY module and multiple POE network transformers, the 2.5G PHY module is also connected to a 2.5G network transformer; the 2.5G MCU module is also connected to multiple POE network transformers; multiple POE network transformers are all connected to the PSE module, each of the POE network transformers provides 2 RJ45 network ports, and the 2.5G network transformer provides one RJ45 network port.

2. A multifunctional PON terminal device according to claim 1, characterized in that: It also includes a power conversion module, the input end of which is connected to an external power supply, and the output end of which supplies power to the 10G MCU module, the 2.5G MCU module, the 10G optical driver module, the 2.5G optical driver module and the 2.5G PHY module respectively.

3. The multifunctional PON terminal device according to claim 1, characterized in that: The 10G MCU module, 2.5G MCU module and 2.5G PHY module are all equipped with independent system clocks. The 10G MCU module uses an independent clock XTAL-0, including Flash-0 and 4 external 1G UTP signals. The 2.5G MCU module uses an independent clock XTAL-1, including Flash-1 and 4 external 1G UTP signals. The 2.5G PHY module provides 1 2.5G UTP signal.

4. The multifunctional PON terminal device according to claim 1, characterized in that: Each of the POE network transformers provides two 1GE PSE RJ45 network ports, and the 2.5G network transformer provides one 2.5G RJ45 network port.

5. The multifunctional PON terminal device according to claim 1, characterized in that: The 10G MCU module adopts the RTL9617CM chip.

6. The multifunctional PON terminal device according to claim 1, characterized in that: The 10G optical drive module adopts the GN25L97B chip.

7. The multifunctional PON terminal device according to claim 1, characterized in that: The 2.5G MCU module adopts the RTL9607C chip.

8. The multifunctional PON terminal device according to claim 1, characterized in that: The 2.5G optical drive module adopts the GN25L95 chip.

9. The multifunctional PON terminal device according to claim 1, characterized in that: The 2.5G PHY module uses the RTL8221B chip as the 2.5G PHY interface chip.

10. The multifunctional PON terminal device according to claim 1, characterized in that: The PSE module uses the TMI7608 chip as the PSE protocol control chip.

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