CN104468188A - HFC network management system front end control mechanism allowing data receiving and transmitting to be easily judged - Google Patents
HFC network management system front end control mechanism allowing data receiving and transmitting to be easily judged Download PDFInfo
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- CN104468188A CN104468188A CN201410595235.XA CN201410595235A CN104468188A CN 104468188 A CN104468188 A CN 104468188A CN 201410595235 A CN201410595235 A CN 201410595235A CN 104468188 A CN104468188 A CN 104468188A
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Abstract
The invention discloses an HFC network management system front end control mechanism allowing data receiving and transmitting to be easily judged. The HFC network management system front end control mechanism comprises a CPU1, a CPU2, a real-time clock chip, an LCD module, an indicator lamp, an extended data input and output port, an RAM, an EPROM and a modulator-demodulator. The CPU1, the real-time clock, the LCD module, the EPROM and the extended data input and output port are connected to the CPU2. The RAM is connected with the CPU1 and the CPU2. The indicator lamp is connected with the extended data input and output port and the modulator-demodulator. Based on the principle, multiple components are arranged and used for displaying and observing the running condition of a system, and the HFC network management system front end control mechanism guarantees that the running condition of the system can be observed at any time, is provided with the indicator lamp used for visually displaying whether the system receives or transmits signals, so that observation is more convenient.
Description
Technical field
The present invention relates to field of network management, be specifically related to the hfc plant management system front-end control mechanism being easy to judge data transmit-receive.
Background technology
Hfc plant management system mainly in order to control the impact of hfc plant the up channel noise on communication quality, carries out acquisition and processing to the data of multiple user terminal, and sends instruction to each terminal and control.The temperature of user's terminal, carrier level, signal level, noise, signal to noise ratio and some other control and management can be provided.Can select to be undertaken transmitting or use hfc plant and telephone wire to combine by cable television line, telephone wire according to networking situation in data transmission and transmit data.At present, along with the develop rapidly of China's cable TV (CATV) cause, traditional cable TV network changes just gradually and becomes Hybrid Fiber Coaxial (HFC).Along with the growth of amount of information, the network management problem of HFC net becomes increasingly conspicuous.Nowadays the controlling organization of network management system front end can only by the ruuning situation of PC observing system, then cannot the ruuning situation of observing system once occur damaging, and existing controlling organization cannot judge whether system is receiving or sending data intuitively.
Summary of the invention
Instant invention overcomes the deficiencies in the prior art, the hfc plant management system front-end control mechanism being easy to judge data transmit-receive is provided, multiple parts are set to show observing system ruuning situation, ensureing at any time can the ruuning situation of observing system, also arrange simultaneously and whether receive for visual display system or send the indicator light of signal, observe more convenient.
For solving above-mentioned technical problem, the present invention is by the following technical solutions: be easy to the hfc plant management system front-end control mechanism judging data transmit-receive, comprise central processor CPU 1, central processor CPU 2, real-time timepiece chip, LCD display module, indicator light, growth data input/output port, RAM, EPROM and modulator-demodulator, described central processor CPU 1, real-time clock, LCD display module, EPROM and growth data input/output port are all connected on central processor CPU 2; Described RAM connects central processor CPU 1 and central processor CPU 2 simultaneously; Described growth data input/output port also connects modulator-demodulator and buzzer; Described indicator light connects growth data input/output port and modulator-demodulator simultaneously.
Between modulator-demodulator and growth data input/output port, arrange indicator light, indicator light is two LED, and utilize expansion output line to drive two LED, judge whether system is receiving or sending data intuitively by the glittering of LED, it is more accurate to judge.The extra LCD display module arranged in this terminal, for system provides a platform that can supply to observe.It can the current operating state of display system, and the input value of keyboard also can be system queries and provides and show intuitively.For avoiding hardware conflicts, it need select element to provide chip selection signal by sheet.Inputoutput data LED display shows whether system is receiving or sending data.After PC breaks down, the ruuning situation also by LCD display module observing system also regulates system at any time, to system with dual guarantee, ensures that system keeps optimum state.
This terminal adopts special central processor CPU 1 to carry out the communication control unit of real time communication as with PC, ensure that the real time communication of hfc plant management system and PC and the refreshing of database data.When primary processor CPU2 to select element to send after clock chip selects signal of communication by sheet, system arranges clock initial value by the P0 mouth of central processor CPU 2, starts real-time timepiece chip work, for whole system provides a real-time clock.Where necessary, can read current time by system is that system data makes time tag, upgrades system database, so that fault location.Real-time timepiece chip realizes the refresh time of record data, conveniently consults and fault location.Growth data input/output port is the major part of network management system.Master controller CPU2 realizes the communication with terminal equipment by it.System utilizes the input line of timing output line as buzzer of expansion input-output unit.When using telephone wire to transmit data, it can send various sound as required as dialing tone, ring-back tone, busy tone, alerting tone etc., also can control telephone signaling signal to determine whether allow it connect buzzer by another expansion output line.
Described LCD display module comprises LCD display, LED inputoutput data status displays and incoming level display module, and LCD display wherein is all connected with incoming level display module with LED inputoutput data status displays.LCD display module for system provide one can for observe platform.It can the current operating state of display system, and the input value of keyboard also can be system queries and provides and show intuitively.For avoiding hardware conflicts, it need select element to provide chip selection signal by sheet.The display of ED inputoutput data status displays shows whether system is receiving or sending data.Incoming level display module then shows the level value of Received signal strength intuitively.
Described central processor CPU 2 also connects keyboard, and central processor CPU 2 can arrange clock initial value for real-time timepiece chip for primary processor, starts real-time timepiece chip.Keyboard is for sending instruction.
Described central processor CPU 1 also connects PC, and central processor CPU 1 special disposal and PC carry out real time communication.Namely enter after CPU1 powers up and computer serial communication state.The content of instruction to memory that the person of being operating as sends by computer reads or revises (mainly address information, operating state etc.), also can operate whole system.Because system shares a RAM, therefore, any one processor must first establish its control to use RAM.When a CPU needs to communicate with system RAM, the control of RAM first must be differentiated.If another CPU communicates with RAM, then should wait for that it terminates present communications, after abdicating the control of RAM, then communicates.Any one CPU with RAM sign off after must abdicate the control of RAM.
Described central processor CPU 1 and central processor CPU 2 are 51 series monolithics.
Compared with prior art, the invention has the beneficial effects as follows:
1, indicator light is set between modulator-demodulator and growth data input/output port, indicator light is two LED, expansion output line is utilized to drive two LED, judge whether system is receiving or sending data intuitively by the glittering of LED, it is more accurate to judge.
2, the extra LCD display module arranged in this terminal, can the current operating state of display system, the input value of keyboard also can be system queries and provides and show intuitively, when the PC for display system operating state goes wrong, show by LCD display module, when both normal, also can any one be selected as required to show, give to control terminal with dual guarantee, be more conducive to the ruuning situation of observing system and at any time system regulated, ensureing that system keeps optimum state.
Accompanying drawing explanation
Fig. 1 is theory diagram of the present invention.
Embodiment
Below in conjunction with accompanying drawing, the present invention is further elaborated, and embodiments of the invention are not limited thereto.
Embodiment 1:
As shown in Figure 1, the present invention includes central processor CPU 1, central processor CPU 2, real-time timepiece chip, LCD display module, indicator light, growth data input/output port, RAM, EPROM and modulator-demodulator, described central processor CPU 1, real-time clock, LCD display module, EPROM and growth data input/output port are all connected on central processor CPU 2; Described RAM connects central processor CPU 1 and central processor CPU 2 simultaneously; Described growth data input/output port also connects modulator-demodulator and buzzer; Described indicator light connects growth data input/output port and modulator-demodulator simultaneously.
This control terminal comprises communication unit that central processor CPU 2 forms with PC, central processor CPU 1 forms CPU, memory cell, real-time timepiece chip, LCD display module, indicator light, growth data input/output port and data modem unit, communication unit uses a special processor CPU1 and computer to carry out real time communication.Namely enter after CPU1 powers up and computer serial communication state.The content of instruction to memory that the person of being operating as sends by computer reads or revises (mainly address information, operating state etc.), also can operate whole system.Because system shares a RAM, therefore, any one processor must first establish its control to use RAM.When a CPU needs to communicate with system RAM, the control of RAM first must be differentiated.If another CPU communicates with RAM, then should wait for that it terminates present communications, after abdicating the control of RAM, then communicates.CPU is the Acquire and process that CPU2 is responsible for all data, and its main task comprises generation chip selection signal; The inputoutput data of reading and writing department of modulation and demodulation parallel circuit.Memory cell is stored by RAM and EPROM.Real-time timepiece chip realizes the refresh time of record data, conveniently consults and fault location.Growth data input/output port is the major part of network management system.Master controller CPU2 realizes the communication with terminal equipment by it.System utilizes the input line of timing output line as buzzer of expansion input-output unit.When using telephone wire to transmit data, it can send various sound as required as dialing tone, ring-back tone, busy tone, alerting tone etc., also can control telephone signaling signal to determine whether allow it connect buzzer by another expansion output line.This terminal adopts special central processor CPU 1 to carry out the communication control unit of real time communication as with PC, ensure that the real time communication of hfc plant management system and PC and the refreshing of database data.
Between modulator-demodulator and growth data input/output port, arrange indicator light, indicator light is two LED, and utilize expansion output line to drive two LED, judge whether system is receiving or sending data intuitively by the glittering of LED, it is more accurate to judge.The extra LCD display module arranged in this terminal, for system provides a platform that can supply to observe.It can the current operating state of display system, and the input value of keyboard also can be system queries and provides and show intuitively.For avoiding hardware conflicts, it need select element to provide chip selection signal by sheet.Inputoutput data LED display shows whether system is receiving or sending data.After PC breaks down, the ruuning situation also by LCD display module observing system also regulates system at any time, to system with dual guarantee, ensures that system keeps optimum state.
Embodiment 2:
The present embodiment preferred concrete structure on the basis of embodiment 1 is as follows: described LCD display module comprises LCD display, LED inputoutput data status displays and incoming level display module, and LCD display wherein is all connected with incoming level display module with LED inputoutput data status displays.LCD display module for system provide one can for observe platform.It can the current operating state of display system, and the input value of keyboard also can be system queries and provides and show intuitively.For avoiding hardware conflicts, it need select element to provide chip selection signal by sheet.The display of ED inputoutput data status displays shows whether system is receiving or sending data.Incoming level display module then shows the level value of Received signal strength intuitively.
Central processor CPU 2 also connects keyboard, and central processor CPU 2 can arrange clock initial value for real-time timepiece chip for primary processor, starts real-time timepiece chip.Keyboard is for sending instruction.
Described central processor CPU 1 also connects PC, and central processor CPU 1 special disposal and PC carry out real time communication.Namely enter after CPU1 powers up and computer serial communication state.The content of instruction to memory that the person of being operating as sends by computer reads or revises (mainly address information, operating state etc.), also can operate whole system.Because system shares a RAM, therefore, any one processor must first establish its control to use RAM.When a CPU needs to communicate with system RAM, the control of RAM first must be differentiated.If another CPU communicates with RAM, then should wait for that it terminates present communications, after abdicating the control of RAM, then communicates.Any one CPU with RAM sign off after must abdicate the control of RAM.
Described real-time timepiece chip model is AMI8563.
Described central processor CPU 1 and central processor CPU 2 are 51 series monolithics.
Just this invention can be realized as mentioned above.
Claims (5)
1. be easy to the hfc plant management system front-end control mechanism judging data transmit-receive, it is characterized in that: comprise central processor CPU 1, central processor CPU 2, real-time timepiece chip, LCD display module, indicator light, growth data input/output port, RAM, EPROM and modulator-demodulator, described central processor CPU 1, real-time clock, LCD display module, EPROM and growth data input/output port are all connected on central processor CPU 2; Described RAM connects central processor CPU 1 and central processor CPU 2 simultaneously; Described growth data input/output port also connects modulator-demodulator and buzzer; Described indicator light connects growth data input/output port and modulator-demodulator simultaneously.
2. be according to claim 1ly easy to the hfc plant management system front-end control mechanism judging data transmit-receive, it is characterized in that: described LCD display module comprises LCD display, LED inputoutput data status displays and incoming level display module, LCD display wherein is all connected with incoming level display module with LED inputoutput data status displays.
3. be according to claim 1ly easy to the hfc plant management system front-end control mechanism judging data transmit-receive, it is characterized in that: described central processor CPU 2 also connects keyboard, central processor CPU 2 can arrange clock initial value for real-time timepiece chip for primary processor, starts real-time timepiece chip.
4. be according to claim 1ly easy to the hfc plant management system front-end control mechanism judging data transmit-receive, it is characterized in that: described central processor CPU 1 also connects PC, central processor CPU 1 special disposal and PC carry out real time communication.
5. be according to claim 1ly easy to the hfc plant management system front-end control mechanism judging data transmit-receive, it is characterized in that: described central processor CPU 1 and central processor CPU 2 are 51 series monolithics.
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| CN201410595235.XA CN104468188A (en) | 2014-10-30 | 2014-10-30 | HFC network management system front end control mechanism allowing data receiving and transmitting to be easily judged |
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| CN201410595235.XA CN104468188A (en) | 2014-10-30 | 2014-10-30 | HFC network management system front end control mechanism allowing data receiving and transmitting to be easily judged |
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Citations (4)
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| US6028933A (en) * | 1997-04-17 | 2000-02-22 | Lucent Technologies Inc. | Encrypting method and apparatus enabling multiple access for multiple services and multiple transmission modes over a broadband communication network |
| CN1458796A (en) * | 2002-05-17 | 2003-11-26 | 武汉诚源科技有限责任公司 | Wired TV HFC broadband network radio frequency (RF) signal route management system |
| US6775785B1 (en) * | 2000-09-29 | 2004-08-10 | Intel Corporation | Method and apparatus for access to resources not mapped to an autonomous subsystem in a computer based system without involvement of the main operating system |
| CN102148726A (en) * | 2011-03-24 | 2011-08-10 | 无锡路通光电技术有限公司 | Network management data acquisition unit of field equipment based on hybrid fiber coax (HFC) network radio frequency (RF) backhaul |
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2014
- 2014-10-30 CN CN201410595235.XA patent/CN104468188A/en active Pending
Patent Citations (4)
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|---|---|---|---|---|
| US6028933A (en) * | 1997-04-17 | 2000-02-22 | Lucent Technologies Inc. | Encrypting method and apparatus enabling multiple access for multiple services and multiple transmission modes over a broadband communication network |
| US6775785B1 (en) * | 2000-09-29 | 2004-08-10 | Intel Corporation | Method and apparatus for access to resources not mapped to an autonomous subsystem in a computer based system without involvement of the main operating system |
| CN1458796A (en) * | 2002-05-17 | 2003-11-26 | 武汉诚源科技有限责任公司 | Wired TV HFC broadband network radio frequency (RF) signal route management system |
| CN102148726A (en) * | 2011-03-24 | 2011-08-10 | 无锡路通光电技术有限公司 | Network management data acquisition unit of field equipment based on hybrid fiber coax (HFC) network radio frequency (RF) backhaul |
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| 陈晓荣等: "一种HFC网络管理系统前端控制器", 《电子产品世界》 * |
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Application publication date: 20150325 |
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