CN106788597A - OLT system and its adjustment method based on power line transmission - Google Patents
OLT system and its adjustment method based on power line transmission Download PDFInfo
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- CN106788597A CN106788597A CN201611160673.9A CN201611160673A CN106788597A CN 106788597 A CN106788597 A CN 106788597A CN 201611160673 A CN201611160673 A CN 201611160673A CN 106788597 A CN106788597 A CN 106788597A
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- 238000000034 method Methods 0.000 title claims abstract description 19
- 230000002194 synthesizing effect Effects 0.000 claims description 16
- 238000012546 transfer Methods 0.000 claims description 4
- 238000012423 maintenance Methods 0.000 abstract description 7
- 238000004891 communication Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 4
- 230000005611 electricity Effects 0.000 description 2
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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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Abstract
OLT system and its adjustment method the present invention relates to be based on power line transmission, the system include the power management unit connected with power line, PMU, PON MAC chips, exchange managing chip and administrative unit；PMU 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 be connected with administrative unit；Power management unit is connected with administrative unit；After power management unit is by the Signal separator on power line, transmitted to mobile terminal by administrative unit.The present invention realizes the remote management of OTL, can realize that OTL is debugged in each distal end without entering computer room, and needs rewiring, is directly managed using power line so that computer lab management is simple, convenient later maintenance.
Description
Technical field
More specifically refer to based on the OLT system of power line transmission and its debugging side the present invention relates to OLT debugging systems
Method.
Background technology
Power line transmission ethernet signal is using 1.6M to 30M frequency band range transmission signals, when sending, using GMSK
Or be modulated for user data by OFDM modulation techniques, is transmitted on power line, in receiving terminal, first passing through wave filter will adjust
Signal processed is leached, then demodulated, so that it may obtain former signal of communication, and current accessible traffic rate exists according to specific equipment difference
Between 4.5M to 45M, power line transmission equipment branch office end and modem, local side are responsible for and internal PLC modem
Communication and the connection with external network.In communication, after the data from user enter modem modulation, by user's
Distribution line is transferred to local side apparatus, and local side modulates signals into out, returns again to the Internet of outside, and any equipment is all needed
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：PMU, PON-MAC chips, exchange management core
Piece and administrative unit, the adjustment method of current GPON/EPON OLT are the modes of serial ports+network interface webmaster, are limited only to string
In mouthful console, this area and outband management, it is outside debug to be managed collectively by the serial ports or network interface of administrative unit be
The management of managing chip is realized to PMU and exchanged to system, administrative unit by bus, in debugging GPON/EPON OLT
When the serial ports or network interface of administrative unit are debugged in some computer rooms, it is necessary to enter into, some place be subject to interchanger machine
Real estate management's reason limitation, computer room commissioning device is not allowed access into, once going wrong, the maintenance in later stage is more bothered, and is adjusted every time
Examination is required for rewiring, is not easy to the management to OTL systems.
Therefore, it is necessary to design a kind of OTL systems based on power line transmission, realize in debugging, without entering computer room,
Can remotely be debugged, without rewiring, directly be realized the management to OTL systems using power line, and for computer room
Management is simple, convenient later maintenance.
The content of the invention
Defect it is an object of the invention to overcome prior art, there is provided OLT system and its tune based on power line transmission
Method for testing.
To achieve the above object, the present invention uses following technical scheme：OTL systems based on power line transmission, including with
The power management unit of power line connection, PMU, PON-MAC chips, exchange managing chip and administrative unit；Institute
State PMU respectively with the power management unit, PON-MAC chips, exchange managing chip and administrative unit and connect
Connect；The PON-MAC chips are connected with the managing chip that exchanges；The exchange managing chip is connected with the administrative unit；
The power management unit is connected with the administrative unit；Wherein, the power management unit is by the Signal separator on power line
Afterwards, transmitted to mobile terminal by administrative unit.
Its further technical scheme is：The power management unit includes power modulation module, the power modulation module
It is connected with the PMU；The power modulation module, for the Signal separator on power line out, to be transmitted to institute
PMU is stated, then is sequentially transmits to administrative unit.
Its further technical scheme is：The power management unit also includes signal synthesizing module, and the signal synthesizes mould
Block is connected 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, by the power modulation module transfer to power line.
Present invention also offers the OTL adjustment methods based on power line transmission, methods described includes：
Power management unit isolates the signal of power line, obtains the signal on power line；
The signal is transferred to administrative unit by 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.
Its further technical scheme is：The power management unit isolates the signal of power line, obtains on power line
Before the step of signal, also include：
Judge whether to need signal modulation to power line；
If desired, then the ethernet signal and rs 232 serial interface signal of the administrative unit are converted into network letter by signal synthesizing module
After number, by the power modulation module transfer to power line；
If need not, the signal that the power management unit isolates power line is carried out, obtain the signal on power line
The step of.
Its further technical scheme is：The power management unit isolates the signal of power line, obtains on power line
Signal separator on power line out, is obtained the signal on power line by the step of signal, specifically power modulation module.
Compared with the prior art, the invention has the advantages that：OTL systems based on power line transmission of the invention, pass through
Power modulation unit is added between administrative unit and PMU, using the signal synthesizing module of power modulation unit
Ethernet signal and rs 232 serial interface signal are changed into network signal, is transmitted in modulation to power line and on the power line, electricity when using
Power modulating unit by the Signal separator on power line out after, transmitted to mobile terminal by administrative unit, realize the long-range pipe of OTL
Reason, can realize that OTL is debugged without entering computer room in each distal end, and need rewiring, directly be carried out using power line
Management so that computer lab management is simple, convenient later maintenance.
The invention will be further described with specific embodiment below in conjunction with the accompanying drawings.
Brief description of the drawings
Fig. 1 is the structural representation of the OLT system of prior art；
The structural representation of the OLT system based on power line transmission that Fig. 2 is provided for the specific embodiment of the invention；
The use state schematic diagram of the OLT system based on power line transmission that Fig. 3 is provided for the specific embodiment of the invention；
The flow chart of the OLT adjustment methods based on power line transmission that Fig. 4 is provided for the specific embodiment of the invention.
Specific embodiment
In order to more fully understand technology contents of the invention, technical scheme is entered with reference to specific embodiment
One step introduction and explanation, but it is not limited to this.
Specific embodiment as shown in figs. 2 to 4, the OLT system based on power line transmission that the present embodiment is provided, Ke Yiyun
In the debugging process of GPON/EPON OLT, realize, in debugging, without entering computer room, can remotely being debugged, without
Rewiring, directly realizes the management to OTL systems, and, convenient later maintenance simple for computer lab management using power line.
OTL systems based on power line transmission, including the power management unit 40, PMU being connected with power line
10th, PON-MAC chips 20, exchange managing chip 30 and administrative unit 40；PMU 10 respectively with electrical management list
Unit 40, PON-MAC chips 20, exchange managing chip 30 and administrative unit 40 are connected；PON-MAC chips 20 with exchange management core
Piece 30 is connected；Managing chip 30 is exchanged to be connected with the administrative unit 40；Power management unit 40 is connected with administrative unit 40；Its
In, after power management unit 40 is by the Signal separator on power line, transmitted to mobile terminal by administrative unit 40.
Further, power management unit 40 includes power modulation module 60, power modulation module 60 and the power supply
Administrative unit 10 is connected；Power modulation module 60, out, transmits to PMU for by the Signal separator on power line
10, then it is sequentially transmits to administrative unit 40.
In addition, power management unit 40 also include signal synthesizing module 50, signal synthesizing module 50 respectively with administrative unit
40 and power modulation module 60 connect；Signal synthesizing module 50 changes the ethernet signal of administrative unit 40 and rs 232 serial interface signal
Into after network signal, transmitted to power line by power modulation module 60.
Signal synthesizing module 50 is the embodiment of power line transmission Ethernet signal, using 1.6M to the 30M on circuit line
Transmission ethernet signal in frequency band range, signal synthesizing module 50 changes the ethernet signal of administrative unit 40 and rs 232 serial interface signal
Into after network signal, transmitted to power line by power modulation module 60, mainly used here in power modulation module 60
After GMSK or OFDM modulation techniques modulate network signal, it is transmitted on the power line.
Filtering submodule and modulation submodule are provided with power modulation module 60, wherein, filtering submodule is used for electricity
Signal in the line of source is leached and, and modulation submodule is demodulated to obtain original signal for will filter out the signal for coming.
For above-mentioned power modulation module 60, transmit to PMU by the Signal separator on power line out
10, then administrative unit 40 is sequentially transmits to, after mainly first the signal in power line is filtered out, will filter out next letter
Number it is demodulated, to obtain original signal.
The above-mentioned OTL systems based on power line transmission in communication, data (i.e. ethernet signal and string from user
Message number) enter power modulation cells modulate after, local side apparatus are transferred to by the power circuit of user, local side is modulated signals into
Out, the Internet (i.e. administrative unit 40) of outside is returned again to.
The above-mentioned OTL systems based on power line transmission, add by between administrative unit 40 and PMU 10
Enter power modulation unit, changed into ethernet signal and rs 232 serial interface signal using the signal synthesizing module 50 of power modulation unit
Network signal, transmits in modulation to power line and on the power line, and power modulation unit divides the signal on power line when using
Separate out after coming, transmitted to mobile terminal by administrative unit 40.The remote management of OTL is realized, can be at each without entering computer room
Distal end realizes that OTL is debugged, and needs rewiring, is directly managed using power line so that computer lab management is simple, the later stage
It is easy to maintenance.
As shown in figure 4, the present embodiment additionally provides the OTL adjustment methods based on power line transmission, methods described includes：
S1, judge whether to need signal modulation to power line；
S2, if desired, then signal synthesizing module 50 ethernet signal of the administrative unit 40 and rs 232 serial interface signal are changed
Into after network signal, transmitted to power line by the power modulation module 60, and enter S3 steps, if need not, directly
Into S3 steps；
S3, power management unit 40 isolate the signal of power line, obtain the signal on power line；
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 40 isolates the signal of power line, the step of obtain the signal on power line, tool
Body be power modulation module 60 by the Signal separator on power line out, obtain power line on signal.
The above-mentioned OTL adjustment methods based on power line transmission, by using the signal synthesizing module of power modulation unit
Ethernet signal and rs 232 serial interface signal are changed into network signal by 50, are transmitted in modulation to power line and on the power line, when using
Power modulation unit by the Signal separator on power line out after, transmitted to mobile terminal by administrative unit 40.Realize that OTL's is remote
Thread management, can realize that OTL is debugged without entering computer room in each distal end, and need rewiring, directly using power line
It is managed so that computer lab management is simple, convenient later maintenance.
It is above-mentioned that technology contents of the invention are only further illustrated with embodiment, it is easier to understand in order to reader, but not
Represent embodiments of the present invention and be only limitted to this, any technology done according to the present invention extends or recreates, by of the invention
Protection.Protection scope of the present invention is defined by claims.
Claims (6)
1. the OTL systems of power line transmission are based on, it is characterised in that including the power management unit, the power supply that are connected with power line
Administrative unit, PON-MAC chips, exchange managing chip and administrative unit；The PMU 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
Reason chip connection；The exchange managing chip is connected with the administrative unit；The power management unit and the administrative unit
Connection；Wherein, after the power management unit is by the Signal separator on power line, transmitted to mobile terminal by administrative unit.
2. OTL systems based on power line transmission according to claim 1, it is characterised in that the power management unit
Including power modulation module, the power modulation module is connected with the PMU；The power modulation module, is used for
By the Signal separator on power line out, transmit to the PMU, then be sequentially transmits to administrative unit.
3. OTL systems based on power line transmission according to claim 2, it is characterised in that the power management unit
Also include signal synthesizing module, the signal synthesizing module connects with the administrative unit and the power modulation module respectively
Connect；After the ethernet signal and rs 232 serial interface signal of the administrative unit are converted into network signal by the signal synthesizing module, pass through
The power modulation module transfer is to power line.
4. the OTL adjustment methods of power line transmission are based on, it is characterised in that methods described includes：
Power management unit isolates the signal of power line, obtains the signal on power line；
The signal is transferred to administrative unit by 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.
5. OTL adjustment methods based on power line transmission according to claim 4, it is characterised in that the electrical management
Unit isolates the signal of power line, the step of obtain the signal on power line before, also include：
Judge whether to need signal modulation to power line；
If desired, then the ethernet signal and rs 232 serial interface signal of the administrative unit are converted into network signal by signal synthesizing module
Afterwards, by the power modulation module transfer to power line；
If need not, the signal that the power management unit isolates power line is carried out, obtain the step of the signal on power line
Suddenly.
6. OTL adjustment methods based on power line transmission according to claim 5, it is characterised in that the electrical management
Unit isolates the signal of power line, and the step of obtain the signal on power line, specifically power modulation module is by power line
Signal separator out, obtain power line on signal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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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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| Application Number | Priority Date | Filing Date | Title |
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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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| CN106788597A true CN106788597A (en) | 2017-05-31 |
| CN106788597B CN106788597B (en) | 2018-10-16 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110058809A (en) * | 2018-01-19 | 2019-07-26 | 三星电子株式会社 | Storage device and its debugging system |
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| CN106788597B (en) | 2018-10-16 |
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