Access device
By using bolted connections and programmable logic circuits to merge service data in access devices, the problem of needing to replace equipment or boards in access devices is solved, thereby improving flexibility and convenience.
Patent Information
- Application Number
- CN202520069421.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-13
- Publication Date
- 2025-12-16
- Estimated Expiration
- 2035-01-13
AI Technical Summary
Existing access devices require different equipment or boards to be replaced when connecting to different service terminals, resulting in high costs, poor flexibility and convenience.
By using bolts to connect the digital signal processing module and the service interface module on the functional baseboard, and merging them into a single data stream through programmable logic circuits, it is possible to achieve the goal of not needing to replace equipment or boards when different service terminals need to be accessed, thereby reducing costs and improving flexibility and convenience.
It enables support for multiple service terminals without replacing equipment or boards, reducing costs and improving the flexibility and convenience of the equipment.
Smart Images

Figure CN223681077U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to data transmission field, especially access equipment. BACKGROUND
[0002] At present, the comprehensive service access equipment in the market is poor in versatility and flexibility in completing user service terminal access, when the user needs to access different service terminals, the comprehensive service access equipment needs to replace different equipment or board card, and multiple services mixed access needs to insert multiple types of board cards to support, which leads to the increase of the overall volume of the equipment, higher cost, poor flexibility and convenience. The single fault of the traditional access equipment may lead to the replacement of the entire board card, and the maintenance cost is high. UTILITY MODEL CONTENT
[0003] The utility model aims at providing an access equipment, which solves the problem that the access equipment needs to replace different equipment or board card when accessing different service terminals, resulting in high cost, poor flexibility and convenience.
[0004] In order to solve the above technical problem, the utility model embodiment provides an access equipment, which comprises:
[0005] A case;
[0006] A functional bottom plate arranged in the case; the functional bottom plate is provided with a plurality of first threaded holes and a programmable logic circuit;
[0007] A digital signal processing module comprising a first connecting hole; the first connecting hole is connected with the first threaded hole through a bolt, and the digital signal processing module is fixedly connected with the functional bottom plate;
[0008] At least one service interface module comprising a second connecting hole; the second connecting hole is connected with the first threaded hole through a bolt, and the service interface module is fixedly connected with the functional bottom plate;
[0009] Among them, the plurality of service interface modules are connected with the digital signal processing module through the programmable logic circuit.
[0010] Optionally, the access equipment, wherein the functional bottom plate further comprises a power supply interface, a power supply circuit, a network interface and a service interface;
[0011] Among them, the power supply interface is connected with the programmable logic circuit through the power supply circuit, the network interface is connected with the digital signal processing module, and the service interface is connected with the service interface module.
[0012] Optionally, the access equipment, wherein the service interface module comprises one or more of the following:
[0013] Peripheral exchange subscriber station interface module
[0014] Peripheral exchange station interface module
[0015] E1 interface module
[0016] Command telephone interface module
[0017] Optionally, the access device, wherein the digital signal processing module further comprises a first double-row pin and a second double-row pin arranged oppositely, and the function board further comprises a first double-row female corresponding to the first double-row pin and a second double-row female corresponding to the second double-row pin.
[0018] The first double-row pin is inserted into the first double-row female, and the second double-row pin is inserted into the second double-row female.
[0019] Optionally, the access device, wherein a length of the first double-row pin is less than a length of the second double-row pin.
[0020] Optionally, the access device, wherein the service interface module comprises a plurality of first pins and a plurality of second pins arranged oppositely, and the function board further comprises a plurality of first pin holes corresponding to the first pins and a plurality of second pin holes corresponding to the second pins.
[0021] The first pin is inserted into the first pin hole, and the second pin is inserted into the second pin hole.
[0022] Optionally, the access device, wherein a number of the first pins is less than a number of the second pins.
[0023] Optionally, the access device, wherein the first pin is a pin corresponding to a service interface, and the second pin is a pin corresponding to data transmission.
[0024] The above technical scheme of the utility model has the beneficial effects as follows:
[0025] In the above scheme, the digital signal processing module and the at least one service interface module are respectively fixedly connected with the function board in the cabinet through bolts, and the service data of the service interface module is merged into one-way data and sent to the digital signal processing module through the programmable logic circuit, so that different service terminals can be accessed without replacing equipment or board cards, the cost is reduced, and the flexibility and convenience are improved. BRIEF DESCRIPTION OF DRAWINGS
[0026] Figure 1 The schematic diagram of the access equipment is shown in the embodiment of the utility model;
[0027] Figure 2 The schematic diagram of the digital signal processing module of the access equipment is shown in the embodiment of the utility model;
[0028] Figure 3 The schematic diagram of the service interface module of the access equipment is shown in the embodiment of the utility model;
[0029] Figure 4 The schematic diagram of the function bottom plate of the access equipment is shown in the embodiment of the utility model;
[0030] Figure 5 The front view of the case of the access equipment is shown in the embodiment of the utility model;
[0031] Figure 6 The top view of the case of the access equipment is shown in the embodiment of the utility model.
[0032] Symbol explanation:
[0033] 100 - function bottom plate; 110 - first threaded hole; 120 - first double-row female; 130 - second double-row female; 140 - first pin hole; 150 - second pin hole; 200 - digital signal processing module; 210 - first connecting hole; 220 - first double-row pin; 230 - second double-row pin; 300 - service interface module; 310 - second connecting hole; 320 - first pin; 330 - second pin. DETAILED DESCRIPTION
[0034] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, and not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.
[0035] The utility model provides an access equipment aiming at the problem that the access equipment needs to replace different equipment or board card when needing to access different service terminals in the prior art, which causes higher cost, poorer flexibility and convenience.
[0036] As shown in the embodiment of the utility model, the utility model provides an access equipment, which comprises: Figure 1
[0037] Case;
[0038] A functional base plate 100 is arranged in the cabinet, and a plurality of first threaded holes 110 and a programmable logic circuit are arranged on the functional base plate 100.
[0039] A digital signal processing module 200 comprises a first connecting hole 210, the first connecting hole 210 is connected with the first threaded hole 110 through a bolt, and the digital signal processing module 200 is fixedly connected with the functional base plate 100.
[0040] At least one service interface module 300 comprises a second connecting hole 310, the second connecting hole 310 is connected with the first threaded hole 110 through a bolt, and the service interface module 300 is fixedly connected with the functional base plate 100.
[0041] The plurality of service interface modules 300 are connected with the digital signal processing module 200 through the programmable logic circuit.
[0042] In this embodiment, as shown in Figure 1 , Figure 5 and Figure 6 the digital signal processing module 200 and the at least one service interface module 300 are fixedly connected with the functional base plate 100 through the bolts on the functional base plate 100 in the cabinet, and the service data of the service interface modules 300 are merged into one-way data and sent to the digital signal processing module 200 through the programmable logic circuit, so that different service terminals can be accessed without replacing equipment or board cards, thereby reducing cost, improving flexibility and convenience.
[0043] It should be noted that the programmable logic FPGA circuit is used for realizing time sequence processing of service data and logic conversion of control signals.
[0044] Optionally, the access device, wherein the functional base plate 100 further comprises a power supply interface, a power supply circuit, a network interface and a service interface.
[0045] The power supply interface is connected with the programmable logic circuit through the power supply circuit, the network interface is connected with the digital signal processing module 200, and the service interface is connected with the service interface module 300.
[0046] In this embodiment, as shown in Figure 1As shown, the external power supply is connected to the power interface for 48V DC power supply, and the power supply circuit is connected to the power interface and the programmable logic circuit to provide power for the digital signal processing module 200. The network interface is a 1000M / 100M / 10M adaptive Ethernet electrical interface connected to the digital signal processing module 200 to interwork between the external network and the digital signal processing module 200 for transmission of service data, and is cascaded through the Ethernet interface. A single device supports 32 FXS or 32 FXO or 32 command phones or 1 E1 interface, and users can cascade a corresponding number of devices according to the system capacity. The service interface is used for access of different services such as peripheral exchange user phone FXS, peripheral exchange station FXO, E1, command phone, etc.
[0047] Optionally, the access device, wherein the service interface module 300 comprises one or more of the following:
[0048] a peripheral exchange user phone interface module;
[0049] a peripheral exchange station interface module;
[0050] an E1 interface module;
[0051] a command phone interface module.
[0052] In this embodiment, the service interface module 300 realizes access of different service functions, mainly including but not limited to peripheral exchange user phone FXS, peripheral exchange station FXO, E1, command phone, etc. The service interface module has a unified size and a unified structure, and users can configure and install according to needs, and can be flexibly configured.
[0053] Optionally, the access device, wherein the digital signal processing module 200 further comprises a first double-row pin 220 and a second double-row pin 230 arranged oppositely, the function board 100 further comprises a first double-row female connector 120 corresponding to the first double-row pin 220, and a second double-row female connector 130 corresponding to the second double-row pin 230.
[0054] The first double-row pin 220 is inserted into the first double-row female connector 120, the second double-row pin 230 is inserted into the second double-row female connector 130, and the digital signal processing module 200 is electrically connected to the function board 100.
[0055] In this embodiment, as shown in Figure 2 and Figure 4As shown in the figure, JP (jumper, jumper interface) 1 is a first double-row pin 220, and the digital signal processing module 200 and the function base plate 100 are electrically connected by inserting the first double-row female 120; JP2 is a second double-row pin 230, and the digital signal processing module 200 and the function base plate 100 are electrically connected by inserting the second double-row female 130, so that the digital signal processing module 200 can be flexibly disassembled and replaced. The digital signal processing module 200 includes a speech processor, a DDR3 chip, and a FLASH chip, and can support up to 48 G.711 carrier level voice channels or up to 32 G.729 channels, has one asynchronous serial port (UART), one 100M network port, and one TDM (Test Data Management) digital audio interface.
[0056] Optionally, the access device, wherein the length of the first double-row pin 220 is less than the length of the second double-row pin 230.
[0057] In this embodiment, as shown in the figure, the length of the first double-row pin 220 is different from the length of the second double-row pin 230, so as to prevent reverse insertion. Figure 2
[0058] Optionally, the access device, wherein the service interface module 300 includes a plurality of first pins 320 and a plurality of second pins 330 arranged oppositely, and the function base plate 100 further includes a plurality of first pin holes 140 corresponding to the first pins 320 and a plurality of second pin holes 150 corresponding to the second pins 330.
[0059] The first pins 320 are inserted into the first pin holes 140, the second pins 330 are inserted into the second pin holes 150, and the service interface module 300 is electrically connected to the function base plate 100.
[0060] In this embodiment, as shown in the figure, Figure 3 and Figure 4 The first pins 320 are pins 1-10 in Figure 3 , the first pins 320 are inserted into the first pin holes 140 to electrically connect the service interface module 300 to the function base plate 100; the second pins 330 are pins 11-28 in Figure 3 , the second pins 330 are inserted into the second pin holes 150 to electrically connect the service interface module 300 to the function base plate 100. And the service interface module 300 is fixedly installed on the function base plate 100 through four second connecting holes 310, wherein the second connecting holes 310 are usually M2.5 type threaded holes.
[0061] Optionally, the access device, wherein the number of the first pins 320 is less than the number of the second pins 330.
[0062] In this embodiment, the number of the first pins 320 is different from the number of the second pins 330, so as to prevent reverse insertion.
[0063] Optionally, the access device, wherein the first pins 320 are service interface corresponding pins, and the second pins 330 are data transmission corresponding pins.
[0064] In this embodiment, the first pins 320 are service interface defined pins 1-10 in the pinout table. Figure 3 The pins 1-10 in the pinout table are service interface defined pins, which can be multiplexed into FXS, FXO, E1, command telephone, and can be multiplexed into different signal definitions by different service modules, so that different devices or board cards do not need to be replaced when different service terminals are accessed, and the flexibility is higher. The second pins 330 are defined as pins 11-28 in the pinout table. Figure 3 The pins 11-28 in the pinout table are defined as PCM data, SPI control, power supply, reset interruption and other signals, which are used for data transmission and control of different service modules.
[0065] Obviously, those skilled in the art can make various modifications and variations to the present application without departing from the spirit and scope of the present application. Thus, if these modifications and variations of the present application belong to the scope of the claims of the present application and the equivalent technologies thereof, the present application also intends to include these modifications and variations.
Claims
1. An access device, characterized by The application relates to a chassis, a functional bottom plate (100) arranged in the chassis, a plurality of first threaded holes (110) and programmable logic circuits arranged on the functional bottom plate (100), a digital signal processing module (200) comprising a first connecting hole (210), the first connecting hole (210) being connected with the first threaded hole (110) through a bolt, the digital signal processing module (200) being fixedly connected with the functional bottom plate (100), at least one service interface module (300) comprising a second connecting hole (310), the second connecting hole (310) being connected with the first threaded hole (110) through a bolt, the service interface module (300) being fixedly connected with the functional bottom plate (100), wherein the plurality of service interface modules (300) are connected with the digital signal processing module (200) through the programmable logic circuits. The functional bottom plate (100) further comprises a power supply interface, a power supply circuit, a network interface and a service interface. The power supply interface is connected with the programmable logic circuit through the power supply circuit, the network interface is connected with the digital signal processing module (200), and the service interface is connected with the service interface module (300). The service interface module (300) comprises one or more of the following: a peripheral exchange user telephone interface module, a peripheral exchange station interface module, an E1 interface module, 2. The access device of claim 1, wherein, a command telephone interface module. The digital signal processing module (200) further comprises oppositely arranged first and second double-row pins (220 and 230), the functional bottom plate (100) further comprises a first double-row female connector (120) corresponding to the first double-row pin (220) and a second double-row female connector (130) corresponding to the second double-row pin (230), 3. The access device of claim 1, wherein, wherein the first double-row pin (220) is inserted into the first double-row female connector (120), the second double-row pin (230) is inserted into the second double-row female connector (130), and the digital signal processing module (200) is electrically connected with the functional bottom plate (100). The length of the first double-row pin (220) is smaller than the length of the second double-row pin (230). The service interface module (300) comprises oppositely arranged first and second pins (320 and 330), the functional bottom plate (100) further comprises a plurality of first pin holes (140) corresponding to the first pins (320) and a plurality of second pin holes (150) corresponding to the second pins (330), wherein the first pins (320) are inserted into the first pin holes (140), the second pins (330) are inserted into the second pin holes (150), and the service interface module (300) is electrically connected with the functional bottom plate (100). The number of the first pins (320) is smaller than the number of the second pins (330).
4. The access device of claim 1, wherein, The first pins (320) are service interface corresponding pins, and the second pins (330) are data transmission corresponding pins. 5. The access device of claim 4, wherein, 6. The access device of claim 1, wherein, 7. The access device of claim 6, wherein, 8. The access device of claim 6, wherein,