Access type OTN (Optical Transport Network) optical transmission comprehensive transmission equipment
By designing access-type OTN optical transmission integrated transmission equipment, multiple services are accessed and flexible networking are realized, which solves the problems of poor functional integration and limited access capabilities of traditional equipment, and improves the functional integration and network management convenience of the equipment.
Patent Information
- Application Number
- CN202421711865.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-07-18
- Publication Date
- 2025-05-16
- Estimated Expiration
- 2034-07-18
AI Technical Summary
Traditional optical fiber transmission equipment has poor functional integration and limited access capabilities, making it difficult to adapt to the needs of complex scenarios.
An access-type OTN optical transmission comprehensive transmission device is designed, which includes a variety of service access functions, such as E1, GE, FE, STM-1/4/16, etc., supports long-distance transmission of OTU1 and OTU2, and has flexible network topology configuration capabilities.
It realizes a variety of service access functions, supports flexible networking and multiple service processing functions, improves functional integration and network management convenience, and solves problems such as traditional equipment in wavelength-free/sub-wavelength services, poor scheduling capabilities, weak networking capabilities, and weak protection capabilities.
Smart Images
Figure CN222884742U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the field of optical fiber transmission and wavelength division multiplexing transmission, and more specifically to an access type OTN optical transmission integrated transmission device. Background Art
[0002] In traditional E1 and Ethernet transmission scenarios, the transmission mode is relatively simple, either through PDH optical fiber transmission or SDH optical fiber transmission, with small transmission bandwidth and relatively simple networking mode, and weak ability to adapt to complex scenarios; and in traditional scenarios, there are relatively few service interfaces, which is not conducive to the networking application of external SDH equipment, nor is it conducive to the application of upstream or downstream services. Therefore, traditional optical fiber transmission equipment has poor functional integration, limited access capabilities, and weak ability to adapt to complex scenarios. Summary of the invention
[0003] To achieve the above-mentioned purpose, the utility model provides an access-type OTN optical transmission integrated transmission device, including a chassis, a power board and a service board are arranged inside the chassis, and a front panel and a rear panel are arranged at the front and rear ends of the chassis respectively;
[0004] Also includes
[0005] A power supply unit, comprising a power board arranged inside the chassis, a switch arranged on the front panel, and an AC power interface, a DC power interface and a grounding column arranged on the rear panel, wherein the switch, the AC power interface, the DC power interface and the grounding column are all electrically connected to the power board;
[0006] An FPGA business unit, comprising an FPGA processor disposed on a business board;
[0007] A CPU management unit includes a CPU processor arranged on a service board;
[0008] A user display and control unit, which includes a display light portion arranged on the front panel;
[0009] The user network port switching unit comprises a network management interface, an Ethernet interface, an E1 interface and an optical port arranged on a rear panel, and the network management interface, the Ethernet interface, the E1 interface and the optical port are all electrically connected to the service board.
[0010] Furthermore, the Ethernet interface includes Ethernet interface one, Ethernet interface two, Ethernet interface three and Ethernet interface four.
[0011] Furthermore, the E1 interface includes E1 interface one, E1 interface two, E1 interface three and E1 interface four.
[0012] Further, the optical port includes a class-one optical port, a class-one optical port, a class-one optical port, a class-one optical port, a class-one optical port, a line interface optical port, a line interface optical port, and a line interface optical port.
[0013] Furthermore, the input power of the AC power interface is AC220V, and the input power of the DC power interface is DC24V.
[0014] Furthermore, the display light unit includes a power indicator light, which is electrically connected to the power board and corresponds to the switch, and is used to display the power switch status.
[0015] Furthermore, the display light unit also includes an operation light, a network management light, an E1 light, an optical port light and an Ethernet light electrically connected to the service board.
[0016] Furthermore, the chassis is configured as a rectangular parallelepiped structure.
[0017] Furthermore, a handle is provided on the front panel.
[0018] Further, the switch is arranged on the front panel.
[0019] Compared with the related art, the access-type OTN optical transmission integrated transmission equipment provided by the utility model has the following beneficial effects:
[0020] 1. The utility model can realize multiple service access functions, including supporting E1, GE (Gigabit Ethernet), FE (100M Ethernet), STM-1 / 4 / 16 and other service access on the client side, and supporting OTU1 and OTU2 long-distance transmission on the line side.
[0021] 2. The utility model can be flexibly networked and can be flexibly configured into ring, chain, star and other network topologies.
[0022] 3. The utility model supports multiple service processing functions, including service adaptation to ODUk processing function, Ethernet service (EOO), VC OTN processing function, OSU adaptation function, cross-scheduling function, bandwidth lossless adjustment function, Ethernet processing function, protection function, and equipment online upgrade function.
[0023] The utility model has high functional integration and the network management function facilitates the operation and management of the equipment, and effectively solves the problems of traditional WDM networks such as no wavelength / sub-wavelength services, poor scheduling capabilities, weak networking capabilities, and weak protection capabilities. BRIEF DESCRIPTION OF THE DRAWINGS
[0024] Attached Figure 1 It is a rear view structural schematic diagram of the utility model;
[0025] Attached Figure 2 It is a three-dimensional structural schematic diagram of the utility model;
[0026] Attached Figure 3 It is a schematic diagram of the internal structure of the utility model;
[0027] Attached Figure 4 It is a main structural schematic diagram of the utility model;
[0028] In the attached figure: 1. grounding pole; 2. AC power interface; 3. DC power interface; 4. network management interface; 5. Ethernet interface one; 6. Ethernet interface three; 7. E1 interface one; 8. E1 interface two; 9. E1 interface three; 10. E1 interface four; 11. Class A optical port one; 12. Class A optical port two; 13. Class A optical port three; 14. Class A optical port four; 15. Line interface optical port five; 16. Line interface optical port six; 17. Ethernet interface two; 18. Ethernet interface four; 19. chassis; 20. service board; 21. power board; 22. switch. DETAILED DESCRIPTION
[0029] In order to make the purpose, technical scheme and advantages of the present invention more clear, the following will be combined with the appendix of the present invention. Figure 1 ~Attached Figure 4 , the utility model is described in more detail.
[0030] The utility model provides an access-type OTN optical transmission integrated transmission device, including a chassis 19, wherein a power board 21 and a service board 20 are arranged inside the chassis 19, and a front panel and a rear panel are arranged at the front and rear ends of the chassis 19 respectively; it also includes a power supply unit, which includes a power board 21 arranged inside the chassis 19, a switch 22 arranged on the front panel, and an AC power interface 2, a DC power interface 3 and a grounding column 1 arranged on the rear panel, and the switch 22, the AC power interface 2, the DC power interface 3 and the grounding column 1 are all electrically connected to the power board 21; an FPGA service unit, which includes an FPGA processor arranged on the service board 20; a CPU management unit, which includes a CPU processor arranged on the service board 20; a user display control unit, which includes a display light part arranged on the front panel; a user network port switching unit, which includes a network management interface 4, an Ethernet interface, an E1 interface and an optical port arranged on the rear panel, and the network management interface 4, the Ethernet interface The network interface, E1 interface and optical port are all electrically connected to the business board 20; the Ethernet interface includes Ethernet interface one 5, Ethernet interface two 17, Ethernet interface three 6 and Ethernet interface four 18; the E1 interface includes E1 interface one 7, E1 interface two 8, E1 interface three 9 and E1 interface four 10; the optical port includes a class one optical port one 11, a class one optical port two 12, a class one optical port three 13, a class one optical port four 14, a line interface optical port five 15 and a line interface optical port six 16; the input power of the AC power interface 2 is AC220V, and the input power of the DC power interface 3 is DC24V; the display light part includes a power indicator light, which is electrically connected to the power board 21 and corresponds to the switch 22, and is used to display the status of the power switch 22; the display light part also includes an operation light, a network management light, an E1 light, an optical port light and an Ethernet light electrically connected to the business board 20; the chassis 19 is configured as a rectangular structure; a handle is also provided on the front panel; the switch 22 is provided on the front panel.
[0031] One embodiment of the present invention is as follows:
[0032] An access-type OTN optical transmission integrated transmission device includes a chassis 19, a power board 21 and a service board 20 are arranged inside the chassis 19, a front panel and a rear panel are arranged at the front and rear ends of the chassis 19 respectively, an indicator light and a switch 22 are arranged at the front end of the chassis 19, and an external connector is arranged at the rear end of the chassis 19, which solves the singleness and limitations of existing optical fiber transmission equipment and is convenient for meeting the access needs of various complex scenarios.
[0033] It has the processing capabilities of ODUk cross-connection, packet switching and OCh cross-connection, and can realize the unified transmission of TDM and packet services, belonging to the field of optical fiber transmission and wavelength division multiplexing technology. Access-type OTN optical transmission integrated transmission equipment is an optimization and expansion of existing OTN equipment, providing a low-cost, low-latency, and low-power integrated service bearing solution. The equipment is mainly deployed in the customer's room or mobile terminal, and is used as a customer-side device to access various large and small granular services of users. It is connected to the OTN equipment placed at the integrated service access point at the local end through the line-side OTN interface to achieve the aggregation, integration and guidance of access services.
[0034] The power supply unit includes a power board 21 arranged inside the chassis 19, a switch 22 arranged on the front panel, and an AC power interface 2, a DC power interface 3 and a grounding column 1 arranged on the rear panel. The switch 22, the AC power interface 2, the DC power interface 3 and the grounding column 1 are all electrically connected to the power board 21; the FPGA business unit includes an FPGA processor arranged on the business board 20, and the CPU management unit includes a CPU processor arranged on the business board 20; the power board 21 provides corresponding power supply voltages for each functional unit, and controls the whole machine to switch between the on state and the off state.
[0035] It consists of a power supply unit, an FPGA business unit and a CPU management unit. The CPU management unit is mainly responsible for the functional configuration and status monitoring of the equipment. The FPGA business unit is mainly responsible for the multiplexing and demultiplexing of various interface data, realizing services including Ethernet data, E1 data, FE / GE optical interface services, SDH services through optical fiber long-distance transmission, etc., in line with the new system structure.
[0036] After processing, the external network Ethernet realizes the mapping of Ethernet services to transmission channels. The mapped services are encapsulated into the multiplexed lines and optical transmission channels through the FPGA business unit. The FPGA business unit uses the GMII interface to the Ethernet chip, the SERDES interface to the optical interface, and the TDM interface to the multiplexed line transmission interface. The optical transmitting end of the equipment mainly completes the multiplexing function of E1 and Ethernet data. E1 and Ethernet data are output to the multiplexing module after passing through their respective processing modules; the multiplexing module multiplexes E1 and Ethernet data into pre-defined optical frames and outputs them to the GTP module; the GTP module encodes the optical frames in 8B / 10B and outputs them to the optical interface unit, which is then sent to the opposite device via optical fiber. The optical receiving end mainly completes the demultiplexing function of E1 and Ethernet data. The optical interface unit The received optical signal is converted into an electrical signal and input into the GTP module. The GTP module obtains 8-bit parallel data through 10B / 8B decoding and serial-to-parallel conversion and outputs it to the demultiplexing module. The demultiplexing module mainly extracts E1 and Ethernet data respectively and sends them to their respective processing modules. After the Ethernet data passes through the abnormal frame processing module such as the overlong frame, it is sent to the Ethernet chip through the GMII interface. The multiplexing module FPGA receives the data sent by the Ethernet chip, and after CRC check, frame header removal and other operations, the data is sent to the DSL chip through the HDLC interface. The CPU management unit configures and manages PEF24624 through the SCI interface.
[0037] Access-type OTN optical transmission integrated transmission equipment consists of a transmission plane, a management plane, and a control plane. The transmission plane includes modules such as service adaptation, cross-scheduling, OAM, protection, and synchronization; the management plane uses a management interface to connect to the equipment, executes the management functions of the transmission plane and the entire system, and also provides collaborative operations between planes. The functions performed by the management plane include: performance management, fault management, configuration management, security management, etc.
[0038] The user network port switching unit includes a network management interface 4 , an Ethernet interface, an E1 interface and an optical port arranged on the rear panel. The network management interface 4 , the Ethernet interface, the E1 interface and the optical port are all electrically connected to the service board 20 .
[0039] The Ethernet interface includes Ethernet interface one 5, Ethernet interface two 17, Ethernet interface three 6 and Ethernet interface four 18, the E1 interface includes E1 interface one 7, E1 interface two 8, E1 interface three 9 and E1 interface four 10, and the optical port includes a type-one optical port one 11, a type-one optical port two 12, a type-one optical port three 13, a type-one optical port four 14, a line interface optical port five 15 and a line interface optical port six 16. Among them, the type-one optical port one 11, the type-one optical port two 12, the type-one optical port three 13 and the type-one optical port four 14 are ANY optical ports, which are applicable to multiple protocols and are universal models, while the line interface optical port five 15 and the line interface optical port six 16 are special interfaces with strong pertinence.
[0040] The input power of the AC power interface 2 is AC220V, and the input power of the DC power interface 3 is DC24V.
[0041] The user display and control unit includes a display light section arranged on the front panel, the display light section includes a power indicator light, the power indicator light is electrically connected to the power board 21 and corresponds to the switch 22, and is used to display the state of the power switch 22. The display light section also includes an operation light, a network management light, an E1 light, an optical port light, and an Ethernet light electrically connected to the service board 20, wherein the operation light is used to display the operation state of the whole machine, the network management light is used to display the working state of the network management interface, and the E1 light includes an E1-1 light, an E1-2 light, an E1-3 light, and an E1-4 light, which correspond to E1 interface one 7, E1 interface two 8, E1 interface three 9, and E1 Interface four 10 is used to display its connectivity working status, the Ethernet lights include Ethernet 1 light, Ethernet 2 light, Ethernet 3 light and Ethernet 4 light, which respectively correspond to Ethernet interface one 5, Ethernet interface two 17, Ethernet interface three 6 and Ethernet interface four 18, and are used to display its connectivity working status, the optical port lights include optical port 1 light, optical port 2 light, optical port 3 light, optical port 4 light, optical port 5 light and optical port 6 light, which respectively correspond to class I optical port one 11, class I optical port two 12, class I optical port three 13, class I optical port four 14, line interface optical port five 15 and line interface optical port six 16, and are used to display its connectivity working status.
[0042] As known above, the way to display the connection working status is to flash when there is data transmission or working.
[0043] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.
Claims
1. An access-type OTN optical transmission integrated transmission device, characterized in that: It includes a chassis, wherein a power board and a service board are arranged inside the chassis, and a front panel and a rear panel are arranged at the front and rear ends of the chassis respectively; Also includes A power supply unit, comprising a power board arranged inside the chassis, a switch arranged on the front panel, and an AC power interface, a DC power interface and a grounding post arranged on the rear panel, wherein the switch, the AC power interface, the DC power interface and the grounding post are all electrically connected to the power board; An FPGA business unit, comprising an FPGA processor disposed on a business board; A CPU management unit includes a CPU processor arranged on a service board; A user display and control unit, which includes a display light portion arranged on the front panel; The user network port switching unit comprises a network management interface, an Ethernet interface, an E1 interface and an optical port arranged on a rear panel, wherein the network management interface, the Ethernet interface, the E1 interface and the optical port are all electrically connected to a service board.
2. The access-type OTN optical transmission integrated transmission equipment according to claim 1, characterized in that: The Ethernet interface includes Ethernet interface 1, Ethernet interface 2, Ethernet interface 3 and Ethernet interface 4.
3. The access-type OTN optical transmission integrated transmission equipment according to claim 1, characterized in that: The E1 interface includes E1 interface one, E1 interface two, E1 interface three and E1 interface four.
4. The access-type OTN optical transmission integrated transmission equipment according to claim 1, characterized in that: The optical ports include a first class optical port, a second class optical port, a third class optical port, a fourth class optical port, a line interface optical port five and a line interface optical port six.
5. The access-type OTN optical transmission integrated transmission equipment according to claim 1, characterized in that: The input power of the AC power interface is AC220V, and the input power of the DC power interface is DC24V.
6. The access-type OTN optical transmission integrated transmission equipment according to claim 1, characterized in that: The display light portion includes a power indicator light, which is electrically connected to the power board and corresponds to the switch, and is used to display the power switch state.
7. The access-type OTN optical transmission integrated transmission equipment according to claim 6, characterized in that: The display light unit also includes an operation light, a network management light, an E1 light, an optical port light and an Ethernet light which are electrically connected to the service board.
8. The access-type OTN optical transmission integrated transmission equipment according to claim 1, characterized in that: The chassis is configured as a rectangular parallelepiped structure.
9. The access-type OTN optical transmission integrated transmission equipment according to claim 1, characterized in that: The front panel is also provided with a handle.
10. The access-type OTN optical transmission integrated transmission equipment according to claim 1, characterized in that: The switch is arranged on the front panel.