CN104009852A - Multifunctional communication device - Google Patents
Multifunctional communication device Download PDFInfo
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- CN104009852A CN104009852A CN201410250629.1A CN201410250629A CN104009852A CN 104009852 A CN104009852 A CN 104009852A CN 201410250629 A CN201410250629 A CN 201410250629A CN 104009852 A CN104009852 A CN 104009852A
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Abstract
The invention discloses a multifunctional communication device. The multifunctional communication device is composed of a controller system circuit, eight south Ethernet interface circuits, four south isolated asynchronous serial communication interface circuits, four south SULIM interface circuits, a north Ethernet interface circuit and a power system circuit. The eight south Ethernet interface circuits are respectively composed of a nine-port Ethernet controller and an isolation transformer. The four south isolated asynchronous serial communication interface circuits are respectively composed of an asynchronous serial communication controller, an optical coupler isolation circuit and an RS-23 level conversion circuit. The four south SULIM interface circuits are respectively composed of an SULIM circuit, an isolation transformer and a line control switch circuit. The multifunctional communication device is applied to networking of an access network test device and simple in structure and provides abundant communication interfaces.
Description
Technical field
The present invention relates to a kind of multi-function communication device that is applied to communication interface conversion, be applied to the networking of Access Network testing equipment, belong to communication technical field.
Background technology
Along with China data communication network is built and data communication service flourish, in order to improve user satisfaction and service quality, operator need configure multiple O&M equipment, meets measurement and the maintenance needs of miscellaneous service circuit.Because these O&M equipment provide various control interfaces, as Ethernet interface, Asynchronous Serial Interface and SULIM interface etc., in addition, generally configuration ethernet interface only of the webmaster of O&M equipment.The various control interface of O&M equipment has brought inconvenience to network management control.
The present invention is directed to multi-function communication device application present situation, a kind of multi-function communication device is provided, meet measurement and the maintenance needs of miscellaneous service circuit, for abundant communication interface, solved the problem of operator's O&M equipment network.
Summary of the invention
The technical problem to be solved in the present invention is to provide a kind of multi-function communication device, and south orientation provides Ethernet interface, Asynchronous Serial Interface and the SULIM interface of multiple and multiple O&M equipment connection, and north orientation provides 1 Ethernet interface being connected with webmaster.
In order to address the above problem, the present invention adopts following technical scheme:
A kind of multi-function communication device, is characterized in that comprising the asynchronous serial communication interface circuit of controller system circuit, 8 south orientation ethernet interface circuits, 4 south orientation isolation, 4 south orientation SULIM interface circuits, 1 north orientation ethernet interface circuit and power system circuit.
Wherein, described controller system circuit, is made up of processor, memory, ethernet mac controller circuitry and watchdog circuit.Controller system circuit analysis, from the protocol data of north orientation ethernet interface circuit, is transmitted to asynchronous serial communication interface circuit or 4 south orientation SULIM interface circuits of 8 south orientation ethernet interface circuits, 4 south orientation isolation after treatment.Meanwhile, controller system circuit, by from 8 south orientation ethernet interface circuits, the asynchronous serial communication interface circuit of 4 south orientation isolation or the protocol data of 4 south orientation SULIM interface circuits, is transmitted to north orientation ethernet interface circuit after treatment.
Described 8 south orientation ethernet interface circuits, are made up of 9 mouthfuls of ethernet controllers and isolating transformer.8 south orientation ethernet interface circuits, provide 1 Ethernet interface to connect controller system circuit, provide 8 Ethernet interfaces to connect the control interface of O&M equipment.
The asynchronous serial communication interface circuit of described 4 south orientations isolation, is made up of asynchronous serial communication control, optical coupling isolation circuit and RS-23 level shifting circuit.The asynchronous serial communication interface circuit of 4 south orientation isolation, provides 1 group controller interface to connect controller system circuit, provides the asynchronous serial communication interface of 4 isolation to connect the control interface of O&M equipment.
Described 4 south orientation SULIM interface circuits, by SULIM circuit, isolating transformer and circuit control switch the electric circuit constitute.4 south orientation SULIM interface circuits, provide 1 group controller interface to connect controller system circuit, provide 4 SULIM interfaces to connect the control interface of O&M equipment.
The invention has the beneficial effects as follows: a kind of multi-function communication device, abundant communication interface is provided, solve the problem of operator's O&M equipment network.
Brief description of the drawings
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, to the accompanying drawing of required use in embodiment or description of the Prior Art be briefly described below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, do not paying under the prerequisite of creative work, can also obtain according to these accompanying drawings other accompanying drawing.
Fig. 1 is a kind of structured flowchart of multi-function communication device;
Fig. 2 is the structured flowchart of controller system circuit;
Fig. 3 is 8 south orientation ethernet interface circuit schematic diagrams;
Fig. 4 is the asynchronous serial communication interface circuit theory diagrams of 4 south orientation isolation;
Fig. 5 is south orientation SULIM interface circuit schematic diagram;
Fig. 6 is north orientation ethernet interface circuit schematic diagram;
Fig. 7 is power system circuit schematic diagram;
Fig. 8 is the block diagram that the present invention is applied to operator's O&M equipment network.
Embodiment
Consult Fig. 1 to Fig. 8, the invention discloses a kind of multi-function communication device, formed by the asynchronous serial communication interface circuit of controller system circuit, 8 south orientation ethernet interface circuits, 4 south orientation isolation, 4 south orientation SULIM interface circuits, 1 north orientation ethernet interface circuit and power system circuit.8 south orientation ethernet interface circuits, are made up of 9 mouthfuls of ethernet controllers and isolating transformer.The asynchronous serial communication interface circuit of 4 south orientation isolation, is made up of asynchronous serial communication control, optical coupling isolation circuit and RS-23 level shifting circuit.4 south orientation SULIM interface circuits, by SULIM circuit, isolating transformer and circuit control switch the electric circuit constitute.Be applied to the networking of Access Network testing equipment, it is simple in structure, and abundant communication interface is provided.
As shown in Figure 1, be a kind of structured flowchart of multi-function communication device.Described a kind of multi-function communication device, comprises the asynchronous serial communication interface circuit of controller system circuit, 8 south orientation ethernet interface circuits, 4 south orientation isolation, 4 south orientation SULIM interface circuits, 1 north orientation ethernet interface circuit and power system circuit.
As shown in Figure 2, be controller system circuit theory diagrams.Described controller system circuit theory diagrams are made up of ARM core, local storage, HCI-1, HCI-2, mac controller-1, PHY circuit-1, mac controller-2 and PHY circuit-2.
Controller system main circuit will be realized following functions:
1. HCI-1: the interface of 4 south orientation isolation Asynchronous Serial Communication Circuits is provided, realizes the control of controller system to 4 south orientation isolation Asynchronous Serial Communication Circuits.
2. HCI-3: the interface of 4 south orientation SULIM circuit is provided, realizes the control of controller system to 4 south orientation SULIM circuit.
3. local storage: the interface of SDRAM, FLASH and Boot-Memory is provided, realizes firmware and move required memory.
4.MAC controller-1 and PHY circuit-1: north orientation Ethernet interface functional circuit is provided.
5.MAC controller-2 and PHY circuit-2: the interface circuit with south orientation Ethernet is provided.
As shown in Figure 3, be 8 south orientation ethernet interface circuit schematic diagrams.Described south orientation ethernet interface circuit, comprises 9 port ethernet controls, mac controller, 8 isolating transformers, 9 PHY the electric circuit constitutes.
8 south orientation ethernet interface circuits are mainly realized following functions:
1.MAC controller and PHY circuit-9: 1 Ethernet interface is provided, realizes the communication connection with controller system.
2.8 groups of isolating transformers (isolating transformer-1～isolating transformer-8) and PHY circuit (PHY circuit-1～PHY circuit-8): 8 Ethernet interfaces are provided, realize 8 south orientation ethernet interfaces.
As shown in Figure 4, be the asynchronous serial communication interface circuit theory diagrams of 4 south orientation isolation.The Asynchronous Serial Communication Circuit of described 4 south orientations isolation, is made up of asynchronous serial communication control, host interface, 4 groups of optical coupling isolators and 4 groups of level shifting circuits.
The asynchronous serial communication interface circuit of 4 south orientation isolation is realized following functions:
1. asynchronous serial communication control: realize the serial/parallel and parallel/serial conversion of 4 asynchronous serial communications.
2. host interface: provide address bus, data/address bus and control bus to be connected with controller system, realize control and the exchanges data of controller system to asynchronous serial communication control.
3.4 groups of optical coupling isolators (optical coupling isolator-1～optical coupling isolator-4): by photoisolator, realize the isolation of level.
4.4 groups of level shifting circuits (level shifting circuit-1～level shifting circuit-4): realize the conversion of Transistor-Transistor Logic level and RS-232 level.
As shown in Figure 5, be south orientation SULIM interface circuit schematic diagram.Described south orientation SULIM interface circuit, is made up of DTMF controller, host interface and line isolation transformer.
South orientation SULIM interface circuit is mainly realized:
1.DTMF controller: debugging and the demodulation of dtmf signal are provided, and realization is communicated by letter with SULIM interface.
2. host interface: provide address bus, data/address bus and control bus to be connected with controller system, realize the control of controller system to DTMF controller and the break-make control to circuit.
3. line isolation transformer: the electrical isolation that realizes DTMF controller and switchboard circuit.
As shown in Figure 6, be north orientation ethernet interface circuit schematic diagram.Described north orientation ethernet interface circuit schematic diagram, comprises host interface, mac controller and PHY circuit.
North orientation ethernet interface circuit is mainly realized:
1.MAC controller: the functions such as serial/parallel and parallel/serial interface conversion, IEEE802.3 protocol processes are provided.
2. host interface: provide MII Interface and Controler system to connect
3.PHY circuit: ethernet signal isolation and differential signal translation function are provided.
As shown in Figure 7, be power system circuit schematic diagram.Described power system circuit schematic diagram, is made up of filter circuit-1 ,+5V power supply changeover device ,+3.3V power supply changeover device ,+1.8V power supply changeover device and filter circuit-2.
Power system circuit is mainly realized:
Be converted to+5V of 1.-48V power supply.
Be converted to+3.3V of 2.-48V power supply.
Be converted to+1.8V of 3.-48V power supply.
4. electric source filter circuit.
As shown in Figure 8, be applied to the block diagram of operator's O&M equipment network for the present invention.The present invention, in operator's O&M equipment network, plays very important effect, mainly realizes following functions:
1. 1 north orientation Ethernet interface is provided, connects O&M equipment webmaster.
2. 8 south orientation Ethernet interfaces are provided, connect respectively the O&M equipment that 8 groups of control interfaces are Ethernet.
3. 4 south orientation isolation asynchronous serial communication interfaces are provided, connect respectively the O&M equipment that 4 groups of control interfaces are asynchronous serial communication.
4. 4 south orientation SULIM communication interfaces are provided, connect respectively O&M equipment or switch that 4 groups of control interfaces are SULIM.
The invention has the beneficial effects as follows: a kind of multi-function communication device, abundant communication interface is provided, solve the problem of operator's O&M equipment network.
Claims (4)
1. a multi-function communication device, is made up of the asynchronous serial communication interface circuit of controller system circuit, 8 south orientation ethernet interface circuits, 4 south orientation isolation, 4 south orientation SULIM interface circuits, 1 north orientation ethernet interface circuit and power system circuit.
2. multi-function communication device according to claim 1, is characterized in that described 8 south orientation ethernet interface circuits, is made up of 9 mouthfuls of ethernet controllers and isolating transformer.
3. multi-function communication device according to claim 1, is characterized in that the asynchronous serial communication interface circuit that described 4 south orientations are isolated, and is made up of asynchronous serial communication control, optical coupling isolation circuit and RS-23 level shifting circuit.
4. multi-function communication device according to claim 1, is characterized in that described 4 south orientation SULIM interface circuits, by SULIM circuit, isolating transformer and circuit control switch the electric circuit constitute.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410250629.1A CN104009852A (en) | 2014-06-06 | 2014-06-06 | Multifunctional communication device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410250629.1A CN104009852A (en) | 2014-06-06 | 2014-06-06 | Multifunctional communication device |
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| CN104009852A true CN104009852A (en) | 2014-08-27 |
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| CN201410250629.1A Pending CN104009852A (en) | 2014-06-06 | 2014-06-06 | Multifunctional communication device |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20070171839A1 (en) * | 2004-04-15 | 2007-07-26 | Nethawk Oyj | Network interface card for measuring device and method of manufactring same |
| CN101087235A (en) * | 2007-07-17 | 2007-12-12 | 中南大学 | A FPGA-based multi-functional communication interface conversion device and method |
| CN101174959A (en) * | 2006-11-03 | 2008-05-07 | 上海科泰信息技术有限公司 | Network double-frequency wireless modem |
| CN203301513U (en) * | 2013-03-15 | 2013-11-20 | 青岛科技大学 | Ethernet to 8-path asynchronous serial interface control module having photoelectric isolation |
| CN203896364U (en) * | 2014-06-06 | 2014-10-22 | 盈亨科技(上海)有限公司 | Multifunctional communication device |
-
2014
- 2014-06-06 CN CN201410250629.1A patent/CN104009852A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20070171839A1 (en) * | 2004-04-15 | 2007-07-26 | Nethawk Oyj | Network interface card for measuring device and method of manufactring same |
| CN101174959A (en) * | 2006-11-03 | 2008-05-07 | 上海科泰信息技术有限公司 | Network double-frequency wireless modem |
| CN101087235A (en) * | 2007-07-17 | 2007-12-12 | 中南大学 | A FPGA-based multi-functional communication interface conversion device and method |
| CN203301513U (en) * | 2013-03-15 | 2013-11-20 | 青岛科技大学 | Ethernet to 8-path asynchronous serial interface control module having photoelectric isolation |
| CN203896364U (en) * | 2014-06-06 | 2014-10-22 | 盈亨科技(上海)有限公司 | Multifunctional communication device |
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Application publication date: 20140827 |