CN202957849U - Ethernet to RS232 terminal equipment with plastic optical fiber interface - Google Patents
Ethernet to RS232 terminal equipment with plastic optical fiber interface Download PDFInfo
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- CN202957849U CN202957849U CN 201220735057 CN201220735057U CN202957849U CN 202957849 U CN202957849 U CN 202957849U CN 201220735057 CN201220735057 CN 201220735057 CN 201220735057 U CN201220735057 U CN 201220735057U CN 202957849 U CN202957849 U CN 202957849U
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- plastic fiber
- ethernet
- terminal equipment
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- fiber interface
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Abstract
The utility model provides Ethernet to RS232 terminal equipment with a plastic optical fiber interface, which comprises a plastic optical fiber transceiver module, a plastic optical fiber interface used for being connected with external plastic optical fibers, a protocol conversion module and an RS232 interface. The plastic optical fiber transceiver module is respectively connected with the plastic optical fiber interface and the protocol conversion module. The protocol conversion module and the RS232 interface are connected together. Due to the adoption of the terminal equipment, the defect that existing terminal equipment cannot be connected with the network through plastic optical fibers in the prior art is overcome. Meanwhile, the plurality of advantages of plastic optical fibers are realized by means of the terminal equipment.
Description
Technical field
The utility model relates to the communications field, relates in particular to a kind ofly to have the Ethernet of plastic fiber interface to the RS232 terminal equipment.
Background technology
At present, in most fields such as Industry Control, the communication interface of most of equipment meets the RS-232 communication standard.The transfer of data radius of this communication mode is very limited, can not meet the demand of remote transmission, and can not access Internet.
Plastic fiber (POF), as novel data transmission media, is compared with silica fiber, has thicker core diameter, advantages such as pliability that acceptance angle is large and good, so easy to connect, coupling efficiency is high; There is high bandwidth, vibration resistance, radioresistance, low price, easy construction simultaneously, compare with twisted-pair feeder, lightweight, without electromagnetic interference, be with roomyly, be best short-range data transmission medium.
But because the terminal equipment of current employing Ethernet TCP/IP communication modes is all to only have the RJ-45 interface, if use plastic fiber, also must carry out opto-electronic conversion by an external plastic fiber media converter, very inconvenient.As shown in Figure 1.
The utility model content
In order to address the above problem, the purpose of this utility model is to overcome the deficiency of existing terminal equipment, provides the terminal equipment to the RS232 modular converter with plastic fiber interface and Ethernet, to address the above problem.
The utility model solves the technical scheme that its technical problem adopts:
A kind of have the Ethernet of plastic fiber interface to the RS232 terminal equipment, comprise plastic fiber transceiver module, the plastic fiber interface for connecting outer plastic optical fiber, protocol conversion module and RS232 interface, described plastic fiber transceiver module is connected with protocol conversion module with plastic fiber interface respectively, and described protocol conversion module is connected with the RS232 interface.
The utility model has the advantage of:
Due to built-in plastic fiber transceiver module and protocol conversion module in terminal equipment, can be easily on the basis of existing terminal equipment, improve slightly, complete the interconnection with the network equipment with plastic fiber, have easy to connect, the advantage that volume is little.
The accompanying drawing explanation
Fig. 1 is the schematic diagram of the terminal equipment of prior art;
Fig. 2 is the schematic diagram of the Ethernet of plastic fiber interface to the RS232 terminal equipment that have of the present utility model.
Embodiment
Below in conjunction with drawings and Examples, the utility model is further illustrated:
Refer to Fig. 2, a kind of have the Ethernet of plastic fiber interface to RS232 terminal equipment 100, comprise plastic fiber transceiver module 10, the plastic fiber interface 20 for connecting outer plastic optical fiber, protocol conversion module 30 and RS232 interface 40, described plastic fiber transceiver module 10 is connected with protocol conversion module 30 with plastic fiber interface 20 respectively, and described protocol conversion module 30 is connected with RS232 interface 40.Described plastic fiber interface 20 is for by plastic fiber, (SI(is Step-index, the Chinese meaning is step) plastic optical fiber or gradual change (be Graded-index, the Chinese meaning is gradual change) plastic optical fiber etc.) with the equipment with plastic fiber interface, be connected, described RS232 interface 40 is connected for the equipment with having the RS232 interface.In the present embodiment, described protocol conversion module 30 is the single chip protocol converter ETORS232 based on PIC18F66J60, can directly fiber-optic signal and the signal that meets the RS232 form be changed mutually.
By above-mentioned structure configuration, the function that Ethernet to RS232 terminal equipment 100 with plastic fiber interface has been realized being connected with external equipment by plastic fiber respectively and has been connected with external equipment by the RS232 interface, thereby upgrade to the upgrading stage of optical cable at existing cable line, tool is of great significance and wide application prospect.Described terminal equipment 100 comprises that the quantity of plastic fiber interface 30 can be 4,8,12,16,24,32 or 48 etc., is arranged as required.
In the present embodiment, described plastic fiber transceiver module 10 is to be Resonant Cavity LED based on RCLED(, the Chinese meaning is the resonant cavity light-emitting diode) technology or VCSEL(be Vertical Cavity Surface Emitting Laser, the Chinese meaning is vertical cavity surface emitting laser) technology or DFB(be Distributed Feedback, distributed Feedback) laser technique or FP(Fabry-perot, Fabry-Perot) the plastic fiber transceiver of laser technique.Preferably, described plastic fiber transceiver can be used the plastic fiber transceiver of FIRECOMMS company.
In the present embodiment, described plastic fiber interface 20 is OptoLock connectorless system or the interface that matches with the connector of SMI type or SC type or SC-RJ type.One preferred embodiment in, described plastic fiber interface 20 adopts the OptoLock connectorless system of EDL300T or EDL300K series.
Concrete, terminal equipment 100 of the present utility model comprises a up plastic fiber interface, a descending plastic fiber interface and a descending 10/100Mbps Ethernet interface.Thereby, terminal equipment 100 of the present utility model can be by equipment connections such as one or many computers, IPTV, printer, network machine top box, digital household appliances together, realize the purposes such as online, communication, TV, monitoring, printing, realize the home network shared resource, Internet internet access, HDTV (High-Definition Television) and other demands, met the various demands of family's plastic optical fiber network.
In another embodiment, described terminal equipment 100 is Ethernet switch or fast ethernet switch or gigabit ethernet switch.
The foregoing is only preferred embodiment of the present utility model, not in order to limit the utility model, all within spirit of the present utility model and principle, any modification of doing, be equal to replacement, improvement etc., within all should being included in protection range of the present utility model.
Claims (8)
1. the Ethernet with plastic fiber interface is to the RS232 terminal equipment, it is characterized in that, comprise plastic fiber transceiver module, the plastic fiber interface for connecting outer plastic optical fiber, protocol conversion module and RS232 interface, described plastic fiber transceiver module is connected with protocol conversion module with plastic fiber interface respectively, and described protocol conversion module is connected with the RS232 interface.
2. the Ethernet with plastic fiber interface according to claim 1, to the RS232 terminal equipment, is characterized in that, described protocol conversion module is the single chip protocol converter ETORS232 based on PIC18F66J60.
3. according to claim 1 have the Ethernet of plastic fiber interface to the RS232 terminal equipment, it is characterized in that, described plastic fiber transceiver module is the plastic fiber transceiver based on RCLED technology or VCSEL technology or Distributed Feedback Laser technology or FP laser technique.
4. the Ethernet with plastic fiber interface according to claim 3, to the RS232 terminal equipment, is characterized in that, described plastic fiber interface is OptoLock connectorless system or the interface that matches with the connector of SMI type or SC type or SC-RJ type.
5. the Ethernet with plastic fiber interface according to claim 3, to the RS232 terminal equipment, is characterized in that, described plastic fiber interface adopts the OptoLock connectorless system of EDL300T or EDL300K series.
6. according to claim 2 have the Ethernet of plastic fiber interface to the RS232 terminal equipment, it is characterized in that, Ethernet to the RS232 terminal equipment with plastic fiber interface comprises a up plastic fiber interface, a descending plastic fiber interface and a descending 10/100Mbps Ethernet interface.
7. according to claim 2 have the Ethernet of plastic fiber interface to the RS232 terminal equipment, it is characterized in that, described Ethernet to the RS232 terminal equipment with plastic fiber interface is Ethernet switch or fast ethernet switch or gigabit ethernet switch.
8. according to claim 4 have the Ethernet of plastic fiber interface to the RS232 terminal equipment, it is characterized in that, described Ethernet to the RS232 terminal equipment with plastic fiber interface comprises 8,12,16,24,32 or 48 plastic fiber interfaces.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220735057 CN202957849U (en) | 2012-12-27 | 2012-12-27 | Ethernet to RS232 terminal equipment with plastic optical fiber interface |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220735057 CN202957849U (en) | 2012-12-27 | 2012-12-27 | Ethernet to RS232 terminal equipment with plastic optical fiber interface |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202957849U true CN202957849U (en) | 2013-05-29 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220735057 Expired - Fee Related CN202957849U (en) | 2012-12-27 | 2012-12-27 | Ethernet to RS232 terminal equipment with plastic optical fiber interface |
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| CN (1) | CN202957849U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104243036A (en) * | 2013-06-18 | 2014-12-24 | 深圳市中技源专利城有限公司 | Long-distance plastic optical fiber composite optical cable and communication method thereof |
-
2012
- 2012-12-27 CN CN 201220735057 patent/CN202957849U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104243036A (en) * | 2013-06-18 | 2014-12-24 | 深圳市中技源专利城有限公司 | Long-distance plastic optical fiber composite optical cable and communication method thereof |
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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: 20130529 Termination date: 20171227 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |