CN203827361U - Three-in-one network expander - Google Patents
Three-in-one network expander Download PDFInfo
- Publication number
- CN203827361U CN203827361U CN201420261653.0U CN201420261653U CN203827361U CN 203827361 U CN203827361 U CN 203827361U CN 201420261653 U CN201420261653 U CN 201420261653U CN 203827361 U CN203827361 U CN 203827361U
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Abstract
The utility model discloses a three-in-one network expander. The network expander comprises a surface shell, a bottom shell, a circuit board, a network input and output module, a power supply input seat, a LRE extending signal interface, a lightning protection module and a LER signal processing and main communication module. The surface shell is installed on the pedestal. The network input and output module, the power supply input seat, the LRE extending signal interface, the lightning protection module and the LER signal processing and main communication module are installed on the circuit board. The LRE extending signal interface comprises an RJ45 interface, a BNC interface and a terminal interface. The RJ45 interface, the BNC interface and the terminal interface are successively arranged in the circuit board. The circuit board is provided with a line medium impedance converter. The line medium impedance converter is arranged on a rear end of a LER extending signal module. The three-in-one network expander can carry out long distance transmission. Different medium interfaces are possessed so that communication among different mediums can be achieved. An anti-interference capability is high.
Description
Technical field
The utility model relates to a kind of network extender, particularly a kind of three-in-one network expander.
Background technology
Existing product uses xDSL technology, then local side and terminal carry out digital-to-analogue and analog-to-digital conversion digital signal respectively, can solve preferably distance problem, can use telephone wire or coaxial line to communicate.Although solved the distance problem of network, but bandwidth is inadequate, also to distinguish up and downstream signal, communication (such as telephone wire and coaxial line or netting twine etc.) can not be connected simultaneously between multimedium, can not or inconvenient serial or parallel connection work, actual use very inconvenient.
Summary of the invention
The purpose of this utility model is to provide a kind of three-in-one network expander of one that can be remote, easy to connect in order to solve above-mentioned the deficiencies in the prior art.
To achieve these goals, the three-in-one network expander of one that the utility model is designed, is characterized in that: comprise face-piece, drain pan, circuit board, network input/output module, power input stand, LRE extends signaling interface, lightning-protection module and LER signal are processed and main communication module, and described face-piece is arranged on base, network input/output module, power input stand, LRE extends signaling interface, lightning-protection module and LER signal are processed and main communication module is installed on circuit board, network input/output module, LRE extends signaling interface, power input stand is separately positioned on the arm of angle end of circuit board, and lightning-protection module arranges LRE and extends between signaling interface and power input stand, and LER signal is processed and main communication module is arranged on circuit board upper right side place, and described LRE extends signaling interface and comprises RJ45 interface, bnc interface and binding post interface, RJ45 interface, bnc interface and binding post interface arranging on circuit board successively, is also provided with circuit Medium impedence transducer on described circuit board, this circuit Medium impedence transducer arranges LER and extends signaling module rear end.
Preferably, described lightning-protection module comprises anti-thunder tube, piezo-resistance and transformer.
Preferably, described face-piece is provided with protection panel, and this protection panel is bonded on face-piece.
Preferably, described circuit board is provided with Product Status indicator light.
Preferably, described power input stand comprises power supply stabilization circuit.
Preferably, described circuit board is also provided with from recovering safeties and network isolation transformer, should extend between signaling interface in power supply input port and LRE from recovering safeties, network isolation transformer is placed between network input/output module and the processing of LER signal and main communication module.
The three-in-one network expander of one that the utility model obtains, can long-distance transmissions, and he has possessed the interface of different medium simultaneously, can between different medium, communicate by letter, and circuit Medium impedence transducer and lightning-protection module are set, and its antijamming capability is strong.
Brief description of the drawings
Fig. 1 is overall structure schematic diagram of the present utility model.
In figure: drain pan 1, face-piece 2, circuit board 3, network input/output module 4, power input stand 5, LRE extend signaling interface 6, RJ45 interface 7, bnc interface 8, binding post interface 9, certainly recover safeties 10, circuit Medium impedence transducer 11, transformer 12, Product Status indicator light 13, network isolation transformer 14, piezo-resistance 15, anti-thunder tube 16, the processing of LER signal and main communication module 17, protect panel 20.
Embodiment
Below in conjunction with drawings and Examples, the utility model is further illustrated.
Embodiment:
As shown in Figure 1, the three-in-one network expander of one that the utility model provides, comprise that face-piece 2, drain pan 1, circuit board 3, network input/output module 4, power input stand 5, LRE extend signaling interface 6, lightning-protection module and LER signal and process and main communication module 17, described face-piece 2 is arranged on base 1, network input/output module 4, power input stand 5, LRE extend signaling interface 6, LER signal processes and main communication module 17 is installed on circuit board, above-mentioned circuit board is product core, realizes the function of regulation according to product design, circuit board 3 all adopts and connects without lead-tin soldering, circuit board 3 is screwed with base 1, network input/output module 4, LRE extends signaling interface 6, power input stand 5 is separately positioned on the arm of angle end of circuit board 4, what circuit board mainly adopted is rectangle, lightning-protection module is arranged on LRE and extends between signaling interface 6 and power input stand 5, LER signal is processed and main communication module 17 is arranged on circuit board 5 upper right side places, described LRE extends signaling interface 6 and comprises RJ45 interface 7, bnc interface 8 and binding post interface 9, RJ45 interface 7, bnc interface 8 and binding post interface 9 arranging on circuit board 3 successively, RJ45 interface 7 is for connection network winding thread, bnc interface 8 is for connecting video line, coaxial line, binding post interface 9 is for connecting twisted-pair feeder, parallel lines, telephone wire etc.Several ports can use simultaneously, also can be used alone; On described circuit board 3, be also provided with circuit Medium impedence transducer 11, this circuit Medium impedence transducer 11 arranges LER and extends signaling interface 6 rear end, circuit Medium impedence transducer 11 has according to line attachment feature, design different impedance circuits, comprise that all types of wire rods can reliable and stable signal transmission.
Preferably, described lightning-protection module comprises anti-thunder tube 16, piezo-resistance 15 and transformer 12, and anti-thunder tube 16, piezo-resistance 15 and transformer 12 threes form three grades of lightning protection, and transformer 12 comprises impedance matching transformer, lighting protection isolated transformer.
Preferably, described face-piece 2 is provided with protection panel 20, and this protection panel 20 is bonded on face-piece 2, and protection panel 20 adopts senior double-sided adhesive to connect.
Preferably, described circuit board is provided with Product Status indicator light 13, the electric operating state of instruction each several part.
Preferably, described power input stand comprises power supply stabilization circuit, and its voltage is DC12V or the input of DC48V supply voltage.
Preferably, described circuit board 3 is also provided with from recovering safeties 10 and network isolation transformer 14, should extend between signaling interface in power supply input port and LRE from recovering safeties, automatically protects product power-off when electric current is excessive.The cooling rear automatic closure of protection component, circuit recover; Network isolation transformer is placed between network input/output module and the processing of LER signal and main communication module, network signal isolation, and low signal interference, falls in inductive filter.
Above-mentioned LER signal process and main communication module 17 its be circuit board data processing core, employing specific communication chip.Complete network data exchange, network data conversion, data check, mistake processing, high speed signal processing, signal amplifies, shaping, the functions such as difference transmission
Above-mentioned network input/output module 4 adopts the special RJ45 interface of Ethernet, carries out transfer of data use for interconnection network equipment.
The three-in-one network expander of one that the utility model obtains is described further: the problem that has first solved remote bandwidth, what this product adopted is OFDM technology, 500 meters of high bandwidths in can arrive 100M, the bandwidth of 1000 meters of the highest 50M that can reach in, the signal row of making no distinction of rank, it is just passable that any one Node configuration becomes local side.He has possessed the interface of different medium simultaneously, can between different medium, communicate by letter, and is used for connecing coaxial cable such as possessed BNC mouth simultaneously, and RJ45 interface is used for connecing netting twine, and 2 pin binding posts can be used for line or power line, the holding wire etc. of answering the call.Can use one or more media simultaneously, and can intercom mutually between different medium; The know-why of OFDM is bussing technique, shares bandwidth, can multiple nodes between serial or parallel connection work.And bandwidth is enough large.Therefore adopt the networking of the network terminal after this technology to install very convenient, on a backbone, connection in series-parallel is installed again, and difficulty of construction reduces; Secondly, antijamming capability is strong, and adopting the signal of video camera after this technology is the analog signal transmission adopting, and therefore antijamming capability is strong, and on acceptor circuit, has data check function and wrong retransmission mechanism.So ensured jamproof ability.
For the utility model person of an ordinary skill in the technical field; without departing from the concept of the premise utility; its framework form can be flexible and changeable; just make some simple deduction or replace, all should be considered as belonging to the definite scope of patent protection of claims of being submitted to by the utility model.
Claims (6)
1. a three-in-one network expander, is characterized in that: comprise face-piece, drain pan, circuit board, network input/output module, power input stand, LRE extends signaling interface, lightning-protection module and LER signal are processed and main communication module, and described face-piece is arranged on base, network input/output module, power input stand, LRE extends signaling interface, lightning-protection module and LER signal are processed and main communication module is installed on circuit board, network input/output module, LRE extends signaling interface, power input stand is separately positioned on the arm of angle end of circuit board, and lightning-protection module arranges LRE and extends between signaling interface and power input stand, and LER signal is processed and main communication module is arranged on circuit board upper right side place, and described LRE extends signaling interface and comprises RJ45 interface, bnc interface and binding post interface, RJ45 interface, bnc interface and binding post interface arranging on circuit board successively, is also provided with circuit Medium impedence transducer on described circuit board, this circuit Medium impedence transducer arranges LER and extends signaling module rear end.
2. the three-in-one network expander of one according to claim 1, is characterized in that: described lightning-protection module comprises anti-thunder tube, piezo-resistance and transformer.
3. the three-in-one network expander of one according to claim 1, is characterized in that: described face-piece is provided with protection panel, and this protection panel is bonded on face-piece.
4. the three-in-one network expander of one according to claim 1, is characterized in that: described circuit board is provided with Product Status indicator light.
5. the three-in-one network expander of one according to claim 1, is characterized in that: described power input stand comprises power supply stabilization circuit.
6. according to the three-in-one network expander of the one described in claim 1 or 4, it is characterized in that: described circuit board is also provided with from recovering safeties and network isolation transformer, should extend between signaling interface in power supply input port and LRE from recovering safeties, network isolation transformer is placed between network input/output module and the processing of LER signal and main communication module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420261653.0U CN203827361U (en) | 2014-05-22 | 2014-05-22 | Three-in-one network expander |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420261653.0U CN203827361U (en) | 2014-05-22 | 2014-05-22 | Three-in-one network expander |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203827361U true CN203827361U (en) | 2014-09-10 |
Family
ID=51482818
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420261653.0U Expired - Fee Related CN203827361U (en) | 2014-05-22 | 2014-05-22 | Three-in-one network expander |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203827361U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105742906A (en) * | 2014-12-12 | 2016-07-06 | 鸿富锦精密工业(武汉)有限公司 | Router |
| CN108874083A (en) * | 2018-09-29 | 2018-11-23 | 深圳市凯祥源科技有限公司 | Expander for rack-mount server |
| CN111458822A (en) * | 2020-05-10 | 2020-07-28 | 邵春牛 | Communication is with passive optic fibre expander that has overload protection mechanism |
-
2014
- 2014-05-22 CN CN201420261653.0U patent/CN203827361U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105742906A (en) * | 2014-12-12 | 2016-07-06 | 鸿富锦精密工业(武汉)有限公司 | Router |
| CN108874083A (en) * | 2018-09-29 | 2018-11-23 | 深圳市凯祥源科技有限公司 | Expander for rack-mount server |
| CN111458822A (en) * | 2020-05-10 | 2020-07-28 | 邵春牛 | Communication is with passive optic fibre expander that has overload protection mechanism |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140910 Termination date: 20160522 |