CN201127103Y - Double-light-mouth switch module - Google Patents
Double-light-mouth switch module Download PDFInfo
- Publication number
- CN201127103Y CN201127103Y CNU2007201961919U CN200720196191U CN201127103Y CN 201127103 Y CN201127103 Y CN 201127103Y CN U2007201961919 U CNU2007201961919 U CN U2007201961919U CN 200720196191 U CN200720196191 U CN 200720196191U CN 201127103 Y CN201127103 Y CN 201127103Y
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- ethernet
- interface circuit
- utility
- light
- management unit
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Abstract
The utility model discloses a switch module with dual optical ports, comprising a power source management unit, a Ethernet switch chip, a Ethernet interface circuit. The power source management unit is connected to the Ethernet switch chip and the Ethernet interface circuit respectively. And the Ethernet switch chip is connected to the Ethernet interface circuit. The utility model adopts switch module with double Ethernet optical ports cooperatively used with the switch, thus has a simple circuit implementation. Power supply meets the demand of monitoring system, and construction of dual optical port implements demand of chained networking and meets needs of practical engineering. The engineering construction is simple and the cost is low.
Description
Technical field
The utility model relates to communication technical field, relates in particular to a kind of switch module with Dual-Ethernet light mouth.
Background technology
In network flourishing day by day today, along with the broadband enters family, add enterprise network, Construction of Campus Computer Network, development of internet technology is when being extended network itself rapidly, also make large, medium and small type Network Management become complicated more, it is more important that the safe operation of network also just becomes, and the appearance of switch has solved existing a lot of problem.
As shown in Figure 1, use more and more general at compression technology Ethernet video capture device of realizing and the data acquisition equipments that occupy Ethernet interface such as China employing MPEG4 at present, in project implementing process, because the needs of Ethernet transmission, so Ethernet switch is used in a large number.Yet in such as road monitoring system and the isometric distance of data acquisition system, multipoint system, because long transmission distance, the existing switch of the more employing of number of devices can't be realized bus type or communication link protection structure, and makes the engineering structure complexity, the wiring cost height is unfavorable for engineering construction
The utility model content
The technical problems to be solved in the utility model provides a kind of Dual-Ethernet light oral sex of supporting chain networking capability module of changing planes.
For solving the problems of the technologies described above, the purpose of this utility model is achieved through the following technical solutions.
A kind of pair of light oral sex module of changing planes comprises: Power Management Unit, Ethernet switching chip, ethernet interface circuit; Described Power Management Unit links to each other with ethernet interface circuit with Ethernet switching chip respectively, and described Ethernet switching chip links to each other with ethernet interface circuit.
Wherein, described ethernet interface circuit comprises electric interface unit and UFIU UMSC Fiber Interface Unit.
Wherein, described Ethernet switching chip adopts 5 oral sexes of integrated MAC of RTL8305SB and the PHY chip of changing planes, and comprises 3 10/100M electrical interfaces and 2 100BASE-FX optical interfaces.
The utility model adopts the switch module and the switch of Dual-Ethernet light mouth to be used, and its circuit is realized simple, and the power supply power supply meets the supervisory control system requirement, two photo structures can be realized the communication link protection requirement, realistic engineering demand makes engineering structure simple, and is with low cost.
Description of drawings
Fig. 1 is an existing switch supervisory control system connection layout;
Fig. 2 is the utility model circuit structure diagram;
Fig. 3 is the utility model embodiment 1 supervisory control system connection layout;
1. represent light mouth line among Fig. 1,3; 2. represent electricity mouthful line.
Embodiment
The core concept of the utility model method is: two light oral sexes of being made up of Power Management Unit, chips of Ethernet exchange, ethernet interface circuit module of changing planes.Wherein Power Management Unit is responsible for realizing the power supply power supply, and chips of Ethernet exchange is responsible for the exchange and the forwarding of Ethernet data, and ethernet interface circuit is realized Ethernet 10/100M electricity mouth and light mouth circuit.
For ease of the utility model is further understood, now reach specific embodiment in conjunction with the accompanying drawings the utility model is described in detail.
See also shown in Figure 2ly, comprise Power Management Unit 201, Ethernet switching chip 202, ethernet interface circuit 203; Described Power Management Unit 201 links to each other with ethernet interface circuit 203 with Ethernet switching chip 202 respectively, and Ethernet switching chip 202 links to each other with ethernet interface circuit 203.
Wherein, ethernet interface circuit 203 comprises electric interface unit and UFIU UMSC Fiber Interface Unit.
Wherein, Power Management Unit 201 adopts LM25763A Switching Power Supply DC/DC converter.Input voltage is from+9V to+40V, and output+3.3V is used to satisfy Ethernet electricity mouthful, light mouth and exchanger chip work to be used.
Ethernet switching chip 202 adopts 5 oral sexes of integrated MAC of RTL8305SB and the PHY chip of changing planes, and its circuit arrangement is 3 10/100M electricity mouthful and 2 100BASE-FX light mouths.This circuit is realized two layers of function of exchange of Ethernet data.
Ethernet optical interface circuit 203 adopts 3.3V power supply PECL level 155M optical interface module, and transmission range can be adjusted according to specific requirement.Electrical interface adopts standard RJ45 interface to realize.
Embodiment 1:
Seeing also shown in Figure 3ly, is that the module of changing planes of the said pair of light oral sex in the utility model is used in the one group of supervisory control system figure that forms on the switch, and by using this scheme, the user can be easy to realize the communication link protection structure, make things convenient for engineering construction.
More than the provided by the utility model pair of light oral sex module of changing planes is described in detail, used specific case herein principle of the present utility model and execution mode are set forth, the explanation of above embodiment just is used for helping to understand core concept of the present utility model; Simultaneously, for one of ordinary skill in the art, according to thought of the present utility model, the part that all can change in specific embodiments and applications, in sum, this description should not be construed as restriction of the present utility model.
Claims (3)
1, a kind of pair of light oral sex module of changing planes is characterized in that, comprising: Power Management Unit, Ethernet switching chip, ethernet interface circuit; Described Power Management Unit links to each other with ethernet interface circuit with Ethernet switching chip respectively, and described Ethernet switching chip links to each other with ethernet interface circuit.
2, according to claim 1 pair of light oral sex module of changing planes is characterized in that described ethernet interface circuit comprises electric interface unit and UFIU UMSC Fiber Interface Unit.
3, according to claim 1 and 2 pair of light oral sex module of changing planes is characterized in that, described Ethernet switching chip adopts 5 oral sexes of integrated MAC of RTL8305SB and the PHY chip of changing planes, and comprises 3 10/100M electrical interfaces and 2 100BASE-FX optical interfaces.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201961919U CN201127103Y (en) | 2007-12-19 | 2007-12-19 | Double-light-mouth switch module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201961919U CN201127103Y (en) | 2007-12-19 | 2007-12-19 | Double-light-mouth switch module |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201127103Y true CN201127103Y (en) | 2008-10-01 |
Family
ID=40000566
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007201961919U Expired - Lifetime CN201127103Y (en) | 2007-12-19 | 2007-12-19 | Double-light-mouth switch module |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201127103Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102821331A (en) * | 2012-08-27 | 2012-12-12 | 苏州金纳信息技术有限公司 | Smart grid OPGW (optical power ground wire) realization device |
| CN105099559A (en) * | 2015-06-19 | 2015-11-25 | 合肥华速达电子科技有限公司 | Intelligent optical network unit |
-
2007
- 2007-12-19 CN CNU2007201961919U patent/CN201127103Y/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102821331A (en) * | 2012-08-27 | 2012-12-12 | 苏州金纳信息技术有限公司 | Smart grid OPGW (optical power ground wire) realization device |
| CN105099559A (en) * | 2015-06-19 | 2015-11-25 | 合肥华速达电子科技有限公司 | Intelligent optical network unit |
| CN105099559B (en) * | 2015-06-19 | 2017-12-29 | 安徽华速达电子科技有限公司 | A kind of ASON unit |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20081001 |