CN106788597B - OLT system based on power line transmission and its adjustment method - Google Patents
OLT system based on power line transmission and its adjustment method Download PDFInfo
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- CN106788597B CN106788597B CN201611160673.9A CN201611160673A CN106788597B CN 106788597 B CN106788597 B CN 106788597B CN 201611160673 A CN201611160673 A CN 201611160673A CN 106788597 B CN106788597 B CN 106788597B
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- 230000005540 biological transmission Effects 0.000 title claims abstract description 26
- 238000000034 method Methods 0.000 title claims abstract description 18
- 230000002194 synthesizing effect Effects 0.000 claims description 16
- 238000001914 filtration Methods 0.000 claims description 8
- 238000012546 transfer Methods 0.000 claims description 6
- 238000012423 maintenance Methods 0.000 abstract description 6
- 238000005516 engineering process Methods 0.000 description 5
- 238000004891 communication Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 230000007812 deficiency Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
Classifications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B3/00—Line transmission systems
- H04B3/54—Systems for transmission via power distribution lines
- H04B3/542—Systems for transmission via power distribution lines the information being in digital form
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B3/00—Line transmission systems
- H04B3/54—Systems for transmission via power distribution lines
- H04B3/544—Setting up communications; Call and signalling arrangements
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- Power Engineering (AREA)
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Abstract
The present invention relates to OLT system and its adjustment method based on power line transmission, which includes the power management unit connected with power cord, Power Management Unit, PON MAC chips, exchanges managing chip and administrative unit；Power Management Unit respectively with power management unit, PON MAC chips, exchange managing chip and administrative unit and connect；PON MAC chips are connected with managing chip is exchanged；Managing chip is exchanged to connect with administrative unit；Power management unit is connect with administrative unit；Power management unit is transmitted to mobile terminal by after the Signal separator on power cord by administrative unit.The present invention realizes the remote management of OTL, can realize OTL debugging in each distal end without entering computer room, and need rewiring, is directly managed using power cord so that computer lab management is simple, convenient later maintenance.
Description
Technical field
The present invention relates to OLT debugging systems, more specifically refer to based on the OLT system of power line transmission and its debugging side
Method.
Background technology
Power line transmission ethernet signal is to transmit signal using 1.6M to 30M frequency ranges, when sending, utilizes GMSK
Or user data is modulated by OFDM modulation techniques, is transmitted on power line, in receiving terminal, first passing through filter will adjust
Signal processed filters out, using demodulation, so that it may obtain former signal of communication, current accessible traffic rate exists according to specific equipment difference
4.5M between 45M, be responsible for and internal PLC modem by power line transmission equipment branch office end and modem, local side
Communication and the connection with external network.In communication, after data from the user enter modem modulation, pass through user's
Distribution line is transferred to local side apparatus, and local side modulates signals into out, returns again to external Internet, and any equipment all needs
Power supply is wanted, but only has application on the Homeplug registered one's residence at present using power line transmission network signal.
As shown in Figure 1, traditional OLT system is divided into four bulks：Power Management Unit, PON-MAC chips exchange management core
Piece and administrative unit, the adjustment method of GPON/EPON OLT is the mode of serial ports+network interface webmaster at present, is limited only to go here and there
In mouth console, this area and outband management, outside debugging are to be managed collectively by the serial ports or network interface of administrative unit
System, administrative unit are realized to Power Management Unit and are exchanged the management of managing chip by bus, in debugging GPON/EPON OLT
When, it needs to enter and the serial ports or network interface of administrative unit is debugged in some computer rooms, some places are by interchanger machine
Real estate management manages limitation, does not allow access into computer room commissioning device, once going wrong, the maintenance in later stage is more troublesome, and is adjusted every time
Examination is required for rewiring, is not easy to the management to OLT system.
Therefore, it is necessary to design a kind of OLT system based on power line transmission, realize in debugging, without entering computer room,
It can remotely be debugged, be not necessarily to rewiring, directly power cord is utilized to realize the management to OLT system, and for computer room
Management is simple, convenient later maintenance.
Invention content
It is an object of the invention to overcome the deficiencies of existing technologies, OLT system and its tune based on power line transmission are provided
Method for testing.
To achieve the above object, the present invention uses following technical scheme：OLT system based on power line transmission, including with
The power management unit of power cord connection, PON-MAC chips, exchanges managing chip and administrative unit at Power Management Unit；Institute
State Power Management Unit respectively with the power management unit, PON-MAC chips, exchange managing chip and administrative unit and connect
It connects；The PON-MAC chips exchange managing chip connection with described；The exchange managing chip is connect with the administrative unit；
The power management unit is connect with the administrative unit；Wherein, the power management unit is by the Signal separator on power cord
Afterwards, it is transmitted to mobile terminal by administrative unit；The power management unit includes power modulation module, the power modulation mould
Block is connect with the Power Management Unit；The power modulation module is transmitted to for coming out the Signal separator on power cord
The Power Management Unit, then by the Power Management Unit pipe is transmitted a signal to through PON-MAC chips, exchange managing chip
Manage unit；Filtering submodule and modulation submodule are equipped in power modulation module, wherein filtering submodule is used for power cord
Interior signal filters out, and modulation submodule is used to will filter out the signal come and is demodulated to obtain original signal.
Its further technical solution is：The power management unit further includes signal synthesizing module, and the signal synthesizes mould
Block is connect with the administrative unit and the power modulation module respectively；The signal synthesizing module is by the administrative unit
After ethernet signal and rs 232 serial interface signal are converted into network signal, pass through the power modulation module transfer to power cord.
The present invention also provides the OLT adjustment methods based on power line transmission, the method includes：
Judge whether to need in signal modulation to power cord；
If desired, then the ethernet signal of the administrative unit and rs 232 serial interface signal are converted into network letter by signal synthesizing module
After number, by the power modulation module transfer to power cord, and enter next step；If not needing, it is directly entered next
Step.
Power management unit isolates the signal of power cord, obtains the signal on power cord；
The signal is by power modulation module transfer to the Power Management Unit；
The signal is transferred to management list by the Power Management Unit, PON-MAC chips and exchange managing chip
Member；
The network interface card socket that administrative unit is connected by mobile terminal with administrative unit, transmits signals to mobile terminal.
Its further technical solution is：The power management unit isolates the signal of power cord, obtains on power cord
The step of signal, including power modulation module come out the Signal separator on power cord, obtain the signal on power cord.
Compared with the prior art, the invention has the advantages that：The OLT system based on power line transmission of the present invention, passes through
Power modulation unit is added between administrative unit and Power Management Unit, utilizes the signal synthesizing module of power management unit
Ethernet signal and rs 232 serial interface signal are converted to network signal, transmitted in modulation to power cord and on the power line, when use is electric
After power management unit comes out the Signal separator on power cord, mobile terminal is transmitted to by administrative unit, realizes the long-range pipe of OLT
Reason can realize OLT debugging in each distal end without entering computer room, and need rewiring, directly be carried out using power cord
Management so that computer lab management is simple, convenient later maintenance.
The invention will be further described in the following with reference to the drawings and specific embodiments.
Description of the drawings
Fig. 1 is the structural schematic diagram of the OLT system of the prior art；
Fig. 2 is the structural schematic diagram for the OLT system based on power line transmission that the specific embodiment of the invention provides；
Fig. 3 is the use state diagram for the OLT system based on power line transmission that the specific embodiment of the invention provides；
Fig. 4 is the flow chart for the OLT adjustment methods based on power line transmission that the specific embodiment of the invention provides.
Specific implementation mode
In order to more fully understand the present invention technology contents, with reference to specific embodiment to technical scheme of the present invention into
One step introduction and explanation, but not limited to this.
Specific embodiment as shown in figs. 2 to 4, the OLT system provided in this embodiment based on power line transmission, Ke Yiyun
In the debugging process of GPON/EPON OLT, realizes in debugging, without entering computer room, can remotely be debugged, be not necessarily to
Rewiring directly utilizes power cord to realize the management to OLT system, and, convenient later maintenance simple for computer lab management.
OLT system based on power line transmission includes the power management unit being connect with power cord, Power Management Unit
10, PON-MAC chips 20, exchange managing chip 30 and administrative unit 40；Power Management Unit 10 respectively with electrical management list
Member, PON-MAC chips 20 exchange managing chip 30 and the connection of administrative unit 40；PON-MAC chips 20 with exchange managing chip
30 connections；Managing chip 30 is exchanged to connect with the administrative unit 40；Power management unit is connect with administrative unit 40；Wherein,
Power management unit is transmitted to mobile terminal by after the Signal separator on power cord by administrative unit 40.
Further, power management unit includes power modulation module 60, power modulation module 60 and the power supply pipe
Unit 10 is managed to connect；Power modulation module 60 is transmitted to Power Management Unit for coming out the Signal separator on power cord
10, then by the Power Management Unit 10 administrative unit is transmitted a signal to through PON-MAC chips 20, exchange managing chip 30
40。
In addition, power management unit further includes signal synthesizing module 50, signal synthesizing module 50 respectively with administrative unit 40
And power modulation module 60 connects；The ethernet signal of administrative unit 40 and rs 232 serial interface signal are converted by signal synthesizing module 50
After network signal, power cord is transmitted to by power modulation module 60.
Signal synthesizing module 50 is the embodiment of power line transmission Ethernet signal, utilizes 1.6M to the 30M on circuit line
Ethernet signal is transmitted in frequency range, signal synthesizing module 50 converts the ethernet signal of administrative unit 40 and rs 232 serial interface signal
After network signal, power cord is transmitted to by power modulation module 60, here mainly using in power modulation module 60
After GMSK or OFDM modulation techniques modulate network signal, it is transmitted on the power line.
Power modulation module 60 is interior to be equipped with filtering submodule and modulation submodule, wherein filtering submodule is used for will be electric
Signal in the line of source filters out, and modulation submodule is used to will filter out the signal come and is demodulated to obtain original signal.
For above-mentioned power modulation module 60, the Signal separator on power cord is come out, Power Management Unit is transmitted to
10, then it is sequentially transmits to administrative unit 40, after mainly first filtering out the signal in power cord, it will filter out the letter come
It number is demodulated, to obtain original signal.
It is above-mentioned based on the OLT system of power line transmission in communication, data (i.e. ethernet signal and string from the user
Message number) enter after power modulation module 60 modulates, local side apparatus is transferred to by the power circuit of user, local side is by signal solution
It recalls, returns again to external Internet (i.e. administrative unit 40).
The above-mentioned OLT system based on power line transmission, by adding between administrative unit 40 and Power Management Unit 10
Enter power modulation unit, is converted to ethernet signal and rs 232 serial interface signal using the signal synthesizing module 50 of power management unit
Network signal, modulation is to transmitting on power cord and on the power line, and power modulation module 60 is by the signal on power cord when use
After separating, mobile terminal is transmitted to by administrative unit 40.Realize the remote management of OLT, being not necessarily to can be each into computer room
OLT debugging is realized in a distal end, and needs rewiring, is directly managed using power cord so that computer lab management is simple, after
Phase is easy to maintain.
As shown in figure 4, the present embodiment additionally provides the OLT adjustment methods based on power line transmission, the method includes：
S1, judge whether to need in signal modulation to power cord；
S2, if desired, then signal synthesizing module 50 ethernet signal of the administrative unit 40 and rs 232 serial interface signal are converted
After network signal, power cord is transmitted to by the power modulation module 60, and enter S3 steps, if not needing, directly
Into S3 steps；
S3, power management unit isolate the signal of power cord, obtain the signal on power cord；
S4, the signal are transferred to administrative unit 40 by PON-MAC chips 20 and exchange managing chip 30；
The network interface card socket that S5, administrative unit 40 are connected by mobile terminal with administrative unit 40, transmits signals to movement
Terminal.
In S3 steps, power management unit isolates the signal of power cord, the step of obtaining the signal on power cord, including
Power modulation module 60 comes out the Signal separator on power cord, obtains the signal on power cord.
The above-mentioned OLT adjustment methods based on power line transmission, by using the signal synthesizing module of power management unit
Ethernet signal and rs 232 serial interface signal are converted to network signal by 50, are transmitted in modulation to power cord and on the power line, when use
After power modulation module 60 comes out the Signal separator on power cord, mobile terminal is transmitted to by administrative unit 40.Realize OLT's
Remote management can realize OLT debugging in each distal end without entering computer room, and need rewiring, directly utilize power supply
Line is managed so that computer lab management is simple, convenient later maintenance.
It is above-mentioned only with embodiment come the technology contents that further illustrate the present invention, in order to which reader is easier to understand, but not
It represents embodiments of the present invention and is only limitted to this, any technology done according to the present invention extends or recreation, by the present invention's
Protection.Protection scope of the present invention is subject to claims.
Claims (4)
1. the OLT system based on power line transmission, which is characterized in that include the power management unit being connect with power cord, power supply
Administrative unit, exchanges managing chip and administrative unit at PON-MAC chips；The Power Management Unit respectively with the electric power
Administrative unit, PON-MAC chips exchange managing chip and administrative unit connection；The PON-MAC chips exchange pipe with described
Manage chip connection；The exchange managing chip is connect with the administrative unit；The power management unit and the administrative unit
Connection；Wherein, the power management unit is transmitted to mobile terminal by after the Signal separator on power cord by administrative unit；
The power management unit includes power modulation module, and the power modulation module is connect with the Power Management Unit；It is described
Power modulation module is transmitted to the Power Management Unit, then by the power supply for coming out the Signal separator on power cord
Administrative unit transmits a signal to administrative unit through PON-MAC chips, exchange managing chip；Filtering is equipped in power modulation module
Submodule and modulation submodule, wherein filtering submodule for filtering out the signal in power cord, use by modulation submodule
It is demodulated in will filter out the signal come to obtain original signal.
2. the OLT system according to claim 1 based on power line transmission, which is characterized in that the power management unit
Further include signal synthesizing module, the signal synthesizing module connects with the administrative unit and the power modulation module respectively
It connects；After the ethernet signal of the administrative unit and rs 232 serial interface signal are converted into network signal by the signal synthesizing module, pass through
The power modulation module transfer is to power cord.
3. the OLT adjustment methods based on power line transmission, which is characterized in that the method includes：
Judge whether to need in signal modulation to power cord；
If desired, then the ethernet signal of the administrative unit and rs 232 serial interface signal are converted into network signal by signal synthesizing module
Afterwards, by the power modulation module transfer to power cord, and enter next step；If not needing, it is directly entered in next step
Suddenly.
Power management unit isolates the signal of power cord, obtains the signal on power cord；
The signal is by power modulation module transfer to the Power Management Unit；
The signal is transferred to administrative unit by the Power Management Unit, PON-MAC chips and exchange managing chip；
The network interface card socket that administrative unit is connected by mobile terminal with administrative unit, transmits signals to mobile terminal.
4. the OLT adjustment methods according to claim 3 based on power line transmission, which is characterized in that the electrical management
Unit isolates the signal of power cord, the step of obtaining the signal on power cord, including power modulation module will be on power cord
Signal separator comes out, and obtains the signal on power cord.
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| CN201611160673.9A CN106788597B (en) | 2016-12-15 | 2016-12-15 | OLT system based on power line transmission and its adjustment method |
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| CN201611160673.9A CN106788597B (en) | 2016-12-15 | 2016-12-15 | OLT system based on power line transmission and its adjustment method |
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| CN106788597B true CN106788597B (en) | 2018-10-16 |
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| KR102518370B1 (en) * | 2018-01-19 | 2023-04-05 | 삼성전자주식회사 | Storage device and debugging system thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102255635A (en) * | 2011-03-25 | 2011-11-23 | 杭州再灵电子科技有限公司 | Communication device on basis of power line and GPRS (General Packet Radio Service) |
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| CN101409626B (en) * | 2008-12-01 | 2011-04-20 | 北京格林伟迪科技有限公司 | Optical network unit and method for controlling power supply user terminal access thereof |
| CN101945309A (en) * | 2010-09-02 | 2011-01-12 | 李淑英 | Method, system and device for realizing bidirectional communication by combining passive optical network with power-line carrier |
| CN103379005B (en) * | 2012-04-20 | 2018-03-23 | 中兴通讯股份有限公司 | A kind of optical line terminal equipment and its implementation |
| US9319236B2 (en) * | 2012-09-26 | 2016-04-19 | Broadcom Corporation | Optical line terminal (OLT) system |
| CN103840855A (en) * | 2012-11-22 | 2014-06-04 | 广东广联电子科技有限公司 | Power line communication method and network device |
| CN103763161B (en) * | 2013-10-21 | 2016-08-31 | 华中科技大学 | A kind of integration of three networks AM access module and control method thereof |
| CN103731204A (en) * | 2013-11-15 | 2014-04-16 | 成都市宏山科技有限公司 | Optical network terminal with temperature monitoring function |
| CN103812695A (en) * | 2014-01-26 | 2014-05-21 | 青岛海信宽带多媒体技术有限公司 | Software debugging method and device for SFP (small form pluggable) ONU (optical network unit) |
| CN105376534A (en) * | 2015-11-17 | 2016-03-02 | 国网山东曲阜市供电公司 | Integrated electric power information communication monitoring platform based on wireless transmission technology |
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| CN102255635A (en) * | 2011-03-25 | 2011-11-23 | 杭州再灵电子科技有限公司 | Communication device on basis of power line and GPRS (General Packet Radio Service) |
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