CN203761419U - Data multiplexing device with WIFI function - Google Patents
Data multiplexing device with WIFI function Download PDFInfo
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- CN203761419U CN203761419U CN201420008807.5U CN201420008807U CN203761419U CN 203761419 U CN203761419 U CN 203761419U CN 201420008807 U CN201420008807 U CN 201420008807U CN 203761419 U CN203761419 U CN 203761419U
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Abstract
The utility model discloses a data multiplexing device with a WIFI function. The data multiplexing device comprises an RJ-45 data interface set, a wireless radio frequency chip, a WIFI module, a network transformer, a diplexer filter, a data coaxial F interface and a cable television coaxial F interface. A low frequency input port of the diplexer filter is connected with the data coaxial F interface. A high frequency output port of the diplexer filter is connected with the cable television coaxial F interface. A low frequency output port of the diplexer filter is connected with the network transformer and then is connected with the WIFI module through a differential data line. The WIFI module is in connection with the wireless radio frequency chip and the RJ-45 data interface set via differential data lines. Existing cable television network line resources are utilized and high speed data access is achieved for cable television users in a convenient and economical manner. Moreover, the data multiplexing device has a WIFI function and meets demands of clients.
Description
Technical field
The utility model relates to a kind of data-reusing device, particularly a kind of data-reusing device that possesses wireless WIFI function.
Background technology
Along with the continuous propelling of country's " integration of three networks " and the transformation of CHINA RFTCOM Co Ltd Two-way, the multiple business such as high speed Internet access, SD/high definition radio and television, IPTV, VOIP, VOD have become the main business of Access Network; Cable TV network generation television network broadcast (NGB) transition downward.How to make ethernet signal in coaxial line, transmit better the focus of paying close attention to into numerous manufacturers.
At present, on market, be mainly with EOC(Ethernet over Coax) technology, but cost is generally higher, and equipment is built inconvenience.The utility model has adopted inactive component, has reduced cost, and building of simultaneity factor is also more convenient.Due to the restriction of technology, the exchanges data of traditional data-reusing device needs the support of headend equipment, and this application to it has caused certain restriction.As in the situation that user side is arranged to auto-negotiation mode, need to be arranged to the semiduplex pattern of 10M at local side, just can make equipment normally work.Reason has 2 points:
1) at one end 10Mbps employing is Synchronization, and information rate is 10Mbps, and corresponding chip rate is 20Mbps, and main Energy distribution is in 20MHz.Be MLT-3 4B/5B coding and 100Mbps adopts, its line speed is 125Mbps, and therefore Energy distribution is greater than 125MHz certainly.This has obviously exceeded the CATV dividing frequency that standard specifies.
2) according to the negotiation rules of ethernet port, while at one end forcing to set mode of operation, if the other end adopts auto negotiation according to the semiduplex mode work of Ethernet acquiescence, in order to make network unobstructed, to force that one end of setting just need to set semiduplex pattern for.
Summary of the invention
The purpose of this utility model is to provide a kind of data-reusing device that possesses wireless WIFI function, utilize existing cable TV network line resource, the convenient economic high-speed data access that realizes cable TV subscriber, and possess wireless WIFI function, meet client's demand.
For achieving the above object, the utility model has adopted following technical scheme:
Possess a data-reusing device for wireless WIFI function, it comprises RJ-45 data-interface group, radio frequency chip, WIFI module, network transformer, duplexer filter, the coaxial F interface of data and cable TV coaxial F interface; Described duplexer filter high frequency output mouth is connected with described cable TV coaxial F interface, described duplexer filter input port is connected with the coaxial F interface of described data, and after being connected with described network transformer, described duplexer filter low frequency delivery outlet is connected with described WIFI module by differential data line, described WIFI module is connected with described radio frequency chip and described RJ-45 data-interface group through differential data line, described radio frequency chip is used for connecing external antenna, and described RJ-45 data-interface group is used for connecing subscriber computer.
Preferably, described WIFI module WAN mouth is set to 10M semiduplex mode; So just not be used in local side setting, user side adopts the pattern of auto negotiation simultaneously.
Preferably, this equipment adopts IEEE802.3 agreement, and signal transmission adopts non-equilibrium signal transmission, i.e. coaxial cable media.
Preferably, possess broadband ether data-signal and cable TV signal frequency division multiplexing in the data-reusing device of wireless WIFI function at this, wherein broadband ether data-signal frequency band takies 0 ~ 65MHZ, cable TV signal frequency band takies 65 ~ 860MHZ.
Preferably, it also comprises power module, described power module comprises mains switch, voltage stabilizing chip, transformer chip and reset signal chip, and described mains switch is connected with voltage stabilizing chip, and this voltage stabilizing chip delivery outlet is connected with transformer chip and reset signal chip.
Compared with prior art, the beneficial effects of the utility model are:
1) WIFI module meets user's the demand that many data terminal equipments employings are wireless and wired mode accesses simultaneously, make full use of again WIFI module, default setting 10M semiduplex mode therein, carries out PPPOE dialing simultaneously, convenient installation and maintenance can be set local side.
2) install simply, reliability is strong, the convenient high-speed data access that realizes economically cable TV subscriber.
Brief description of the drawings
Fig. 1 is the circuit block diagram that possesses the data-reusing device of wireless WIFI function in the utility model one preferred embodiment;
Fig. 2 is the circuit block diagram of power module in Fig. 1 embodiment;
Fig. 3 is the structured flowchart of the utility model connecting system.
Embodiment
Consult Fig. 1 and Fig. 2, this data-reusing device that possesses wireless WIFI function comprises RJ-45 data-interface group, radio frequency chip, WIFI module, network transformer, duplexer filter, the coaxial F interface of data, cable TV coaxial F interface and power module; Duplexer filter high frequency output mouth is connected with cable TV coaxial F interface, duplexer filter input port is connected with the coaxial F interface of data, and after being connected with network transformer, duplexer filter low frequency delivery outlet is connected with WIFI module by differential data line, WIFI module is connected with radio frequency chip and RJ-45 data-interface group through differential data line, radio frequency chip is used for connecing external antenna, and RJ-45 data-interface group is used for connecing subscriber computer; Wherein, power module comprises mains switch, voltage stabilizing chip, transformer chip and reset signal chip, mains switch is connected with voltage stabilizing chip, and this voltage stabilizing chip delivery outlet is connected with transformer chip and reset signal chip, and power module is connected with power reset key.
Preferably, power module is connected with DC power supply interface; Wherein RJ-45 data-interface group is made up of four RJ-45 data-interfaces, and RJ-45 data-interface is connected with subscriber computer by twisted-pair feeder, and radio frequency chip is connected with external antenna.
Power module produces direct current, is the WIFI module for power supply of equipment; The power reset key being connected with power module provides reset signal for WIFI module.Power supply connects voltage stabilizing chip output 3.3V DC power supply and signal is transferred to transformer chip and reset signal chip by delivery outlet through mains switch, transformer chip converts 3.3V DC power supply to 1.8V, and reset signal chip is for generation of restarting reset signal.
Consult Fig. 3, local side apparatus adopts frequency multiplexing technique to send cable TV signal and ether data-signal, and wherein, ether data-signal is in 0-65MHZ band transmissions, and cable TV signal is in 65MHZ-860MHZ band transmissions; Via the coaxial F interface of data of data-reusing appliance arrangement that possesses wireless WIFI function in the present embodiment, deliver to duplexer filter; In duplexer filter, complete separating of cable TV signal and data-signal, wherein, after the cable TV signal of high band leaches, delivered to user's TV receiving apparatus by cable TV coaxial F interface; Simultaneously, the ether data-signal of low-frequency range changes bipolar signal into through network transformer, then send into WIFI module, the process such as taking-up and reduction of ether data-signal completing user auto registration, allocated bandwidth, user data and OAM data in WIFI module, in WIFI module, arrange, the network mode of operation of this device is under the semiduplex state of 10M simultaneously; Through reduction after exchanged radio frequency chip and 4 the RJ-45 data-interfaces to WIFI module of ether packet, and respectively by wired and wireless mode be delivered to user data terminal (as, notebook, desktop computer etc.).
The up transport process of user side data-signal: the standard ethernet data that user data terminal is sent are delivered in WIFI module after by RJ-45 data-interface or antenna reception, complete forwarding and the encapsulation of data in WIFI module; Then become after unipolar signal via network transformer, by duplexer filter, sent by the coaxial F interface of data, complete the transmission of upstream data.
Below be only concrete exemplary applications of the present utility model, protection range of the present utility model is not constituted any limitation.All employing equivalents or equivalence are replaced and the technical scheme of formation, within all dropping on the utility model rights protection scope.
Claims (5)
1. a data-reusing device that possesses wireless WIFI function, is characterized in that, it comprises RJ-45 data-interface group, radio frequency chip, WIFI module, network transformer, duplexer filter, the coaxial F interface of data and cable TV coaxial F interface; Described duplexer filter input port is connected with the coaxial F interface of described data, described duplexer filter high frequency output mouth is connected with described cable TV coaxial F interface, and after described duplexer filter low frequency delivery outlet is connected with described network transformer, be connected with described WIFI module by differential data line, described WIFI module is connected with described radio frequency chip and described RJ-45 data-interface group through differential data line.
2. the data-reusing device that possesses wireless WIFI function according to claim 1, is characterized in that, described WIFI module WAN mouth is set to 10M semiduplex mode.
3. the data-reusing device that possesses wireless WIFI function according to claim 1, is characterized in that, this equipment adopts IEEE802.3 agreement, and signal transmission adopts non-equilibrium signal transmission.
4. the data-reusing device that possesses wireless WIFI function according to claim 1, it is characterized in that, possess broadband ether data-signal and cable TV signal frequency division multiplexing in the data-reusing device of wireless WIFI function at this, wherein broadband ether data-signal frequency band takies 0 ~ 65MHZ, cable TV signal frequency band takies 65 ~ 860MHZ.
5. the data-reusing device that possesses wireless WIFI function according to claim 1, it is characterized in that, it also comprises power module, described power module comprises mains switch, voltage stabilizing chip, transformer chip and reset signal chip, described mains switch is connected with voltage stabilizing chip, and this voltage stabilizing chip delivery outlet is connected with transformer chip and reset signal chip.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420008807.5U CN203761419U (en) | 2014-01-07 | 2014-01-07 | Data multiplexing device with WIFI function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420008807.5U CN203761419U (en) | 2014-01-07 | 2014-01-07 | Data multiplexing device with WIFI function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203761419U true CN203761419U (en) | 2014-08-06 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420008807.5U Expired - Fee Related CN203761419U (en) | 2014-01-07 | 2014-01-07 | Data multiplexing device with WIFI function |
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| Country | Link |
|---|---|
| CN (1) | CN203761419U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104469534A (en) * | 2014-10-30 | 2015-03-25 | 成都康特电子高新科技有限责任公司 | EOC terminal based on broadcast television network system |
| CN107783009A (en) * | 2016-08-31 | 2018-03-09 | 通号（郑州）轨道交通科技有限公司 | A kind of communication system monitoring device of multi-internet integration |
-
2014
- 2014-01-07 CN CN201420008807.5U patent/CN203761419U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104469534A (en) * | 2014-10-30 | 2015-03-25 | 成都康特电子高新科技有限责任公司 | EOC terminal based on broadcast television network system |
| CN107783009A (en) * | 2016-08-31 | 2018-03-09 | 通号（郑州）轨道交通科技有限公司 | A kind of communication system monitoring device of multi-internet integration |
| CN107783009B (en) * | 2016-08-31 | 2024-05-24 | 通号电缆集团有限公司 | Multi-network integrated communication system monitoring device |
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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: 20140806 Termination date: 20170107 |