CN201893788U - Power supply device for active optical network unit - Google Patents
Power supply device for active optical network unit Download PDFInfo
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- CN201893788U CN201893788U CN2010205947768U CN201020594776U CN201893788U CN 201893788 U CN201893788 U CN 201893788U CN 2010205947768 U CN2010205947768 U CN 2010205947768U CN 201020594776 U CN201020594776 U CN 201020594776U CN 201893788 U CN201893788 U CN 201893788U
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- power
- power supply
- optical network
- equipment
- active optical
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Abstract
A power supply device for an active optical network unit belongs to power supply devices and solves the problem of absence of power supply for active optical network unit equipment in an AON (active optical network). The power supply device is connected between the active optical network unit without an Ethernet power supply function and household terminal equipment, and comprises a power supply device and a power source application device, the power supply device supplies direct-current 48V power source and household terminal equipment data and realizes multiplexing of the power source and the data on the same Ethernet cable, the power source application device is connected to the other end of the Ethernet cable, supplies direct-current 12V power source and data and realizes power supply and data transmission to the active optical network unit through a power line and an Ethernet data cable. Without laying new power cords or other circuits, the power supply device has the advantages that investment is saved, construction period is shortened, interference is eliminated since the current and data are transmitted by different network cable pairs, and cost for laying power lines outdoors or in passageways is saved.
Description
Technical field
The utility model belongs to electric supply installation, refers in particular to a kind of active optical network unit electric supply installation.
Background technology
Optical Access Network (hereinafter to be referred as OAN) is the Access Network that adopts optical fiber transmission technique, the i.e. communication system of all or part of employing Optical Fiber Transmission between Local Exchange and the user.Optical Access Network can be divided into EPON (hereinafter to be referred as PON) and active optical network (hereinafter to be referred as AON) again, and wherein PON is more developing faster.
PON is meant among the ODN (optical distribution) and does not contain any electronic device and electronic power supply that ODN all is made up of optical branching device passive devices such as (Splitter), does not need valuable active electronic equipment.Because the development characteristic of present OAN, do not insert power supply in a lot of corridor casees and the outdoor cross-connecting box, causing active ONU(optical network unit in the AON network) equipment do not have power supply power supply, and along with the increase of the active ONU of each household need connect electricity again, the installation cost that causes is very high.
The utility model content
The purpose of this utility model is in order to overcome the defective that prior art exists, a kind of active optical network unit electric supply installation to be provided, solving active ONU(optical network unit in outdoor or corridor) problem of equipment non-transformer power supply.
The purpose of this utility model is achieved through the following technical solutions:
A kind of active optical network unit electric supply installation, described electric supply installation are connected between active optical network unit with Power over Ethernet function and the domestic terminal apparatus that does not have the Power over Ethernet function, comprising:
Power supply provides equipment, comprising:
Power input interface, it is connected with the alternating current 220V power supply;
The power of alterating and direct current switching controller, its input is connected with described power input interface, the alternating current 220V power source conversion is become direct current 48V power supply and pass through its output output;
Power supply provides the equipment input port, is FPDP, and it is connected to described domestic terminal apparatus by terminal equipment Ethernet cable, carries out the transmission of ether data;
Power supply provides the equipment output end mouth, is the port of data and power supply double-purpose, provides the output of equipment input port and power of alterating and direct current switching controller to be connected with described power supply respectively;
Application of power equipment comprises:
Application of power equipment input port, it is connected to described power supply by application of power equipment Ethernet cable the equipment output end mouth is provided, and is the port of data and power supply double-purpose;
The DC power supply switching controller, its input is connected with power input in the described application of power equipment input port, and the direct current 48V power supply of input is changed into the output of direct current 12V power supply;
Power output interface is connected with the output of described DC power supply switching controller, and is connected by the power input of power cable with the active optical network unit, and the active optical network unit is carried out direct current 12V power supply;
Data output interface, be connected with the data terminal in the described application of power equipment input port, and be connected with the data terminal of active optical network unit by data Ethernet cable, carry out the data transmission with the network interface of the active optical network unit that does not have the Power over Ethernet function.
Described power supply provides equipment input port, power supply to provide equipment output end mouth and application of power equipment input port all to adopt the RJ-45 interface.
Described data are the ether data.
Described application of power equipment Ethernet cable adopts the 10M BASE-T or the 100M BASE-T Ethernet cable of standard.
Two pairs of signal pins in the 10M BASE-T of described standard or the 100M BASE-T Ethernet cable are as data transmission terminal, with the idle empty pin of two couples respectively as the positive terminal and the negative pole end of direct current 48V power supply.
The beneficial effects of the utility model:
Electric supply installation of the present utility model, being the active ONU(optical network unit of outdoor active) power devices provides the approach of a kind of convenience, saving, because this equipment is power supply also to be multiplexed on the netting twine to transmit in transfer of data, do not need to lay in addition new power line or other circuit, save investment and reduced construction period, and electric current and data by different netting twines to transmission, guaranteed not disturb mutually, saved the cost of in outdoor or corridor, laying power line greatly.
For further specifying above-mentioned purpose of the present utility model, feature and effect, the utility model is elaborated below with reference to accompanying drawing.
Description of drawings
Fig. 1 is the structural representation of the utility model electric supply installation;
Fig. 2 is the Power-over-Ethernet structure chart of the utility model electric supply installation.
Embodiment
Accompanying drawing below in conjunction with embodiment is elaborated to embodiment of the present utility model.
Referring to Fig. 1, Fig. 1 is the structural representation of electric supply installation of the present utility model, as shown in the figure, electric supply installation is connected between active optical network unit (ONU) 40 with Power over Ethernet function and the domestic terminal apparatus (PC) 30 that does not have the Power over Ethernet function, and its structure is:
Power supply provides equipment (PSE) 10, is used for power management, comprising: power input interface 13, and it is connected with interchange (AC) 220V power supply; Power of alterating and direct current switching controller 11, being made up of Switching Power Supply and MAX5945 chip (is prior art, its structure is not described in detail in detail), its input is connected with power input interface 13, interchange (AC) the 220V power source conversion of importing is become direct current (DC) 48V and pass through its output output; Power supply provides equipment input port 14(to adopt the RJ-45 interface), it is FPDP, its by terminal equipment Ethernet cable 31 be connected to domestic terminal apparatus with Power over Ethernet function (for example: computer PC equipment) 30, carry out the transmission of ether data; Power supply provides equipment output end mouth 15(to adopt the RJ-45 interface), be the port of data (ether data) and power supply (direct current 48V) double-purpose, provide the output of equipment input port 14 and power of alterating and direct current switching controller 11 to be connected with described power supply respectively.
Application of power equipment (PD) 20, comprise: application of power equipment input port 16(adopts the RJ-45 interface), it is connected to described power supply by application of power equipment Ethernet cable 21 equipment output end mouth 15 is provided, and is the port of data and power supply (direct current 48V) double-purpose; DC power supply switching controller 22 adopts power conversion chip LM2575 chip to form, and its input is connected with power supply (direct current 48V) input in the described application of power equipment input port 16, the direct current 48V power supply of importing is changed into direct current 12V power supply export; Power output interface 17 is connected with the output of described DC power supply switching controller 22, and is connected with the power input of active optical network unit (ONU) 40 by power cable 41, and ONU is carried out direct current 12V power supply; Data output interface 18, be connected with the data terminal in the described application of power equipment input port 16, and be connected with the data terminal of active optical network unit (ONU) 40 by data Ethernet cable 42, carry out the transmission of ether data with the ONU network interface that does not have the Power over Ethernet function.
Present embodiment application of power equipment Ethernet cable 21 adopts the 10M BASE-T or the 100M BASE-T Ethernet cable of standard, as shown in Figure 2, the utility model with two pairs of signal pins in the cable (1/2 and 3/6 line to) as data transmission terminal, the positive terminal that idle a pair of empty pin (4/5) is connected direct current 48V power supply, idle a pair of empty pin (7/8) connects the negative pole end of direct current 48V power supply, power to PD20 and the transmission data by PSE10, because power supply passes through different netting twines to transmission with data, has guaranteed not disturb mutually.
Reverse electric supply installation of the present utility model solves the problem of active ONU non-transformer power supply in outdoor or corridor, and increasing a PSE(power supply between ONU and home computer provides equipment) and PD(application of power equipment).Provide a PSE with home terminal the ether data and power supply is multiplexing uploads defeated at an Ethernet cable, and this another port of Ethernet cable is connected to powered device PD, delivery outlet as data/power supply double-purpose, making traditional POE(Power over Ethernet) supply power mode obtained more applications, solve near the upgoing O NU equipment can't power taking a difficult problem, save power-supply wiring cost and time when disposing terminal equipment.
Those of ordinary skill in the art will be appreciated that, above embodiment is used for illustrating the purpose of this utility model, and be not with opposing qualification of the present utility model, as long as in essential scope of the present utility model, all will drop in the scope of claim of the present utility model variation, the modification of the above embodiment.
Claims (4)
1. active optical network unit electric supply installation is characterized in that described electric supply installation is connected between active optical network unit (40) with Power over Ethernet function and the domestic terminal apparatus (30) that does not have the Power over Ethernet function, comprising:
Power supply provides equipment (10), comprising:
Power input interface (13), it is connected with the alternating current 220V power supply;
Power of alterating and direct current switching controller (11), its input is connected with described power input interface (13), the alternating current 220V power source conversion is become direct current 48V power supply and pass through its output output;
Power supply provides equipment input port (14), is FPDP, and it is connected to described domestic terminal apparatus (30) by terminal equipment Ethernet cable (31), carries out the transmission of ether data;
Power supply provides equipment output end mouth (15), is the port of data and power supply double-purpose, provides the output of equipment input port (14) and power of alterating and direct current switching controller (11) to be connected with described power supply respectively;
Application of power equipment (20) comprising:
Application of power equipment input port (16), it is connected to described power supply by application of power equipment Ethernet cable (21) equipment output end mouth (15) is provided, and is the port of data and power supply double-purpose;
DC power supply switching controller (22), its input is connected with power input in the described application of power equipment input port (16), and the direct current 48V power supply of input is changed into the output of direct current 12V power supply;
Power output interface (17) is connected with the output of described DC power supply switching controller (22), and is connected with the power input of active optical network unit (40) by power cable (41), and active optical network unit (40) are carried out direct current 12V power supply;
Data output interface (18), be connected with the data terminal in the described application of power equipment input port (16), and be connected with the data terminal of active optical network unit (40) by data Ethernet cable (42), carry out the data transmission with the network interface of the active optical network unit (40) that does not have the Power over Ethernet function.
2. active optical network as claimed in claim 1 unit electric supply installation is characterized in that:
Described power supply provides equipment input port (14), power supply to provide equipment output end mouth (15) and application of power equipment input port (16) all to adopt the RJ-45 interface.
3. active optical network as claimed in claim 1 unit electric supply installation is characterized in that:
Described application of power equipment Ethernet cable (21) adopts the 10M BASE-T or the 100M BASE-T Ethernet cable of standard.
4. active optical network as claimed in claim 3 unit electric supply installation is characterized in that:
Two pairs of signal pins in the 10M BASE-T of described standard or the 100M BASE-T Ethernet cable are as data transmission terminal, with the idle empty pin of two couples respectively as the positive pole and the negative pole of direct current 48V power supply.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205947768U CN201893788U (en) | 2010-11-08 | 2010-11-08 | Power supply device for active optical network unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205947768U CN201893788U (en) | 2010-11-08 | 2010-11-08 | Power supply device for active optical network unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201893788U true CN201893788U (en) | 2011-07-06 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010205947768U Expired - Fee Related CN201893788U (en) | 2010-11-08 | 2010-11-08 | Power supply device for active optical network unit |
Country Status (1)
| Country | Link |
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| CN (1) | CN201893788U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104883632A (en) * | 2015-06-12 | 2015-09-02 | 烽火通信科技股份有限公司 | Device and method for realizing VDSL current sharing backward feeding in PON far-end system |
| CN109495279A (en) * | 2018-12-27 | 2019-03-19 | 江苏集萃微纳自动化系统与装备技术研究所有限公司 | Seismic survey system active data Transmission system |
-
2010
- 2010-11-08 CN CN2010205947768U patent/CN201893788U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104883632A (en) * | 2015-06-12 | 2015-09-02 | 烽火通信科技股份有限公司 | Device and method for realizing VDSL current sharing backward feeding in PON far-end system |
| CN104883632B (en) * | 2015-06-12 | 2018-12-18 | 烽火通信科技股份有限公司 | Realize that VDSL flows the device and method of reverse feeding in PON far end system |
| CN109495279A (en) * | 2018-12-27 | 2019-03-19 | 江苏集萃微纳自动化系统与装备技术研究所有限公司 | Seismic survey system active data Transmission system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110706 Termination date: 20141108 |
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| EXPY | Termination of patent right or utility model |