CN204013571U - Technical grade integrated information transmission EOC equipment - Google Patents
Technical grade integrated information transmission EOC equipment Download PDFInfo
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- CN204013571U CN204013571U CN201420381182.7U CN201420381182U CN204013571U CN 204013571 U CN204013571 U CN 204013571U CN 201420381182 U CN201420381182 U CN 201420381182U CN 204013571 U CN204013571 U CN 204013571U
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- eoc
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- interchanger
- power supply
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Abstract
The utility model discloses a kind of technical grade integrated information transmission EOC equipment, comprise EOC interchanger, EOC interchanger is provided with EOC master chip, and EOC master chip is connected with exchange chip, modulation chip successively; The input of EOC interchanger is also provided with 5-65MHz band pass filter and 45-65MHz band pass filter successively, one end of EOC interchanger is connected with channel-splitting filter, the other end is connected with power supply signal input port, power supply signal input port is connected with channel-splitting filter by Switching Power Supply and forms closed-loop path, and the port of export of channel-splitting filter is connected with Set Top Box Digital Television interface and wireless routing network chip; The utility model has the advantage of: can carry out secondary filtering processing to input signal, reduce environmental noise and external interference, perception himself output modulation signal intensity and without outside, provide tester, in the poor environment of network condition, also can normally work, be suitable for the transmission of technical grade integrated information and use.
Description
Technical field
The utility model relates to a kind of information transmission equipment, and specifically a kind of technical grade integrated information transmission EOC equipment, belongs to information transmission equipment field.
Background technology
EOC(Ethernet over Coax) be one of technology the most popular in Two-way Network transformation instantly, in coaxial cable, carry out the transmission of Ethernet data signal, main flow is carried out ethernet signal transfer of data exactly after ovennodulation in coaxial cable, its frequency does not take cable TV frequency band, and cable TV frequency coexistence.On existing EOC hub, be generally provided with two input ports, one is power supply input port, and another is signal input, has so both increased cost, and user uses also inconvenient.And the random warm swap of the channel-splitting filter on circuit board, otherwise can affect personal security by damage equipment, need to set up a cut-off switch, in addition, existing EOC hub employing current detecting equipment loop, power consumption is relatively high, is also its weak point.Conventionally need the outside test that provides tester to carry out signal strength signal intensity, cisco unity malfunction in the poor environment of network condition.Name is called the Chinese utility model patent that " the active EOC headend that can realize signal strength signal intensity self check " application number is " 201020207353.6 " provides a kind of active EOC headend of realizing signal strength signal intensity self check, CPU in active EOC headend produces Ethernet message and the Ethernet message that produced according to CPU by exchange chip forwards Ethernet message and flows, thereby constructs test traffic voluntarily and the test traffic that provides without outside by active EOC headend; After this, the message flow by modulation chip, exchange chip being forwarded is again modulated to the modulation signal that continues output, this modulation signal can be back to modulation chip through coaxial cable loop, therefore, modulation chip can perception himself output modulation signal intensity and without outside, provide tester.Yet, this equipment can not carry out secondary filtering processing to input signal, equipment cannot, in relatively high frequency range work, cannot be worked under the poor environment of network condition.
Utility model content
In order to address the above problem, the utility model has designed a kind of technical grade integrated information transmission EOC equipment, can carry out secondary filtering processing to input signal, reduce environmental noise and external interference, can perception himself output modulation signal intensity and without outside, provide tester, in the poor environment of network condition, also can normally work, be suitable for the transmission of technical grade integrated information and use.
The technical solution of the utility model is:
A kind of technical grade integrated information transmission EOC equipment, comprise EOC interchanger, described EOC interchanger is provided with EOC master chip, described EOC master chip is connected with exchange chip, modulation chip successively, by EOC master chip, produce Ethernet message and according to the Ethernet message producing, forward Ethernet message by exchange chip and flow, thereby construct test traffic voluntarily and the test traffic that provides without outside; After this, the message flow by modulation chip, exchange chip being forwarded is again modulated to the modulation signal that continues output, this modulation signal can be back to modulation chip through coaxial cable loop, therefore, modulation chip can perception himself output modulation signal intensity and without outside, provide tester;
Wherein, described EOC master chip is provided with the CPU that can produce Ethernet message; Described exchange chip is that the Ethernet message producing according to described CPU forwards the chip that Ethernet message flows; Described modulation chip continues the modulation signal of output the chip that the intensity of this modulation signal returning through coaxial cable loop is detected for the message flow that described exchange chip can be forwarded is modulated to; Described exchange chip is the chip with self-loop function; Described exchange chip directly forms EOC master chip Ethernet message stream, and is directly forwarded to described modulation chip with the Ethernet message that is fully loaded with mode and sends.Described modulation chip is a full duplex modulation chip that can detect the intensity of this modulation signal returning through coaxial cable loop when continuing the modulation signal of output;
The input of described EOC interchanger is also provided with 5-65MHz band pass filter and 45-65MHz band pass filter successively, by input signal is carried out to secondary filtering processing, it is this frequency range of 45-65MHz that EOC equipment is operated in relatively high and comparatively pure environment, even assurance EOC equipment also can normally be worked in the poor environment of network condition.DC power supply and signal are in same power supply signal input port input EOC interchanger, signal enters EOC interchanger, power supply is powered to EOC interchanger and with the circuit board of channel-splitting filter through Switching Power Supply, the signal that EOC interchanger receives is exported to the circuit board with channel-splitting filter, data-signal and vision signal are exported to user through channel-splitting filter port, like this, user just can teleview and surf the Net and realize two-way retransmission function on same cable.On EOC interchanger, only have an input port, input power and vision signal, not only reduced cost, and used also more convenient simultaneously.
One end of described EOC interchanger is connected with channel-splitting filter, the other end is connected with power supply signal input port, transmission package is containing the mixed signal CATV+DATA of cable TV and network data, described power supply signal input port is connected with channel-splitting filter by Switching Power Supply and forms closed-loop path, between described power supply signal input port and Switching Power Supply, is also provided with cut-off switch.DC power supply and signal are in same power supply signal input port input EOC interchanger, signal enters EOC interchanger, power supply is powered to EOC interchanger and channel-splitting filter through Switching Power Supply, the signal that EOC interchanger receives is exported to band channel-splitting filter, data-signal and vision signal are exported through channel-splitting filter port, thereby can on same cable, teleview and surf the Net and realize two-way retransmission function, the port of export of described channel-splitting filter is connected with Set Top Box Digital Television interface and wireless routing network chip, described wireless routing network chip is connected with signal transmitting antenna by power amplifier, the isolated cable TV signal CATV of channel-splitting filter transfers to Set Top Box or digital television, and the output that completes TV programme is play, simultaneously, isolated network data signals DATA, export wireless routing network chip to, convert network data to wireless data signal, after amplifying by power amplifier, via antenna transmission to other can the network equipment of support of wireless communication function in, the wireless transmission that completes network signal realizes wireless networking capabilities.
Further, described wireless routing network chip is also connected with RJ45 Ethernet interface, with wired mode transmitting network data, described Ethernet interface RJ45 preferably arranges a plurality of, by the external different network equipment of grafting netting twine, make the different network equipments realize function of surfing the Net by EOC interchanger.
The utility model only has an input port on EOC interchanger, and input power and vision signal, not only reduced cost, and used also more convenient simultaneously.
The utility model has the advantage of: make full use of the existing coaxial network resource of broadcasting and TV, except providing original TV signal, 100 m ethernet interface and wireless WiFi function can also be provided, thereby for accessing Internet provides great convenience, can carry out secondary filtering processing to input signal, reduce environmental noise and external interference, can perception himself output modulation signal intensity and without outside, provide tester, in the poor environment of network condition, also can normally work, be suitable for the transmission of technical grade integrated information and use.
Below in conjunction with drawings and Examples, the utility model is described in further detail.
Accompanying drawing explanation
Fig. 1 is the connecting circuit figure of the utility model embodiment;
In figure: 1-EOC interchanger, 2-5-65MHz band pass filter, 3-45-65MHz band pass filter, 4-channel-splitting filter, 5-power supply signal input port, 6-Switching Power Supply, 7-cut-off switch, 8-wireless routing network chip, 9-Set Top Box Digital Television interface, 10-power amplifier, 11-antenna, 12-RJ45 Ethernet interface.
Embodiment
Below preferred embodiment of the present utility model is described, should be appreciated that preferred embodiment described herein is only for description and interpretation the utility model, and be not used in restriction the utility model.
Embodiment 1
As shown in Figure 1, a kind of technical grade integrated information transmission EOC equipment, comprises EOC interchanger 1, and described EOC interchanger 1 is provided with EOC master chip, and described EOC master chip is connected with exchange chip, modulation chip successively; Described EOC master chip is provided with the CPU that can produce Ethernet message; Described exchange chip is that the Ethernet message producing according to described CPU forwards the chip that Ethernet message flows; Described modulation chip continues the modulation signal of output the chip that the intensity of this modulation signal returning through coaxial cable loop is detected for the message flow that described exchange chip can be forwarded is modulated to; Described exchange chip is the chip with self-loop function; Described exchange chip directly forms EOC master chip Ethernet message stream, and is directly forwarded to described modulation chip with the Ethernet message that is fully loaded with mode and sends.Described modulation chip is a full duplex modulation chip that can detect the intensity of this modulation signal returning through coaxial cable loop when continuing the modulation signal of output.By EOC master chip, produce Ethernet message and according to the Ethernet message producing, forward Ethernet message by exchange chip and flow, thereby construct test traffic voluntarily and the test traffic that provides without outside; After this, the message flow by modulation chip, exchange chip being forwarded is again modulated to the modulation signal that continues output, this modulation signal can be back to modulation chip through coaxial cable loop, therefore, modulation chip can perception himself output modulation signal intensity and without outside, provide tester.
The input of described EOC interchanger 1 is also provided with 5-65MHz band pass filter 2 and 45-65MHz band pass filter 3 successively.By input signal is carried out to secondary filtering processing, it is this frequency range of 45-65MHz that EOC equipment is operated in relatively high and comparatively pure environment, even assurance EOC equipment also can normally be worked in the poor environment of network condition.
One end of described EOC interchanger 1 is connected with channel-splitting filter 4, the other end is connected with power supply signal input port 5, transmission package is containing the mixed signal CATV+DATA of cable TV and network data, described power supply signal input port 5 is connected with channel-splitting filter 4 by Switching Power Supply 6 and forms closed-loop path, between described power supply signal input port 5 and Switching Power Supply 6, is also provided with cut-off switch 7.DC power supply and signal are in the 5 input EOC interchangers 1 of same power supply signal input port, signal enters EOC interchanger 1, power supply is given EOC interchanger 1 and channel-splitting filter 4 power supplies through Switching Power Supply 6, the signal that EOC interchanger 1 receives is exported to band channel-splitting filter 4, data-signal and vision signal are through channel-splitting filter 4 port outputs, thereby can on same cable, teleview and surf the Net and realize two-way retransmission function, the port of export of described channel-splitting filter 4 is connected with Set Top Box Digital Television interface 9 and wireless routing network chip 8, described wireless routing network chip 8 is connected with signal transmitting antenna 11 by power amplifier 10, the isolated cable TV signal CATV of channel-splitting filter transfers to Set Top Box or digital television, and the output that completes TV programme is play, simultaneously, isolated network data signals DATA, export wireless routing network chip to, convert network data to wireless data signal, after amplifying by power amplifier, via antenna transmission to other can the network equipment of support of wireless communication function in, the wireless transmission that completes network signal realizes wireless networking capabilities.Described wireless routing network chip 8 is also connected with RJ45 Ethernet interface 12, with wired mode transmitting network data, described Ethernet interface RJ45 preferably arranges a plurality of, by the external different network equipment of grafting netting twine, make the different network equipments realize function of surfing the Net by EOC interchanger 1.
The utility model only has an input port on EOC interchanger, and input power and vision signal, not only reduced cost, and used also more convenient simultaneously.
In addition, described EOC interchanger 1 also can receive the wireless data signal that other network equipments send by antenna 11, transferring to wireless routing network chip converts to after network data, by channel-splitting filter 4, return, just user's wireless networking capabilities have been realized thus, without external netting twine accessing Internet freely, convenient for users to use.
Described EOC master chip is also provided with indicating lamp module, and indicating lamp module comprises one or more in power supply indicator, loop indicator light, connection status indicator light, network port indicator, wherein, and power supply indicator monitoring power supply connection status; Under loop indicator light monitoring EOC interchanger, whether the loop circuit state of link, check and exist terminal block mistake to cause the situation of loop; Connection status between each module of connection status indicator light monitoring EOC interchanger; Network port indicator has the connection status of the RJ45 Ethernet interface of monitoring wireless routing network chip 8.When breaking down in somewhere, its corresponding indicator light just can shinnyly be reported to the police.By the operating state of indicating lamp module watch-dog, when breaking down, be convenient to find in time and maintenance.
Above-mentioned EOC master chip, exchange chip, modulation chip, filter, channel-splitting filter etc. all belong to prior art, equal selling on market.
Claims (3)
1. a technical grade integrated information transmission EOC equipment, is characterized in that: comprise EOC interchanger, described EOC interchanger is provided with EOC master chip, and described EOC master chip is connected with exchange chip, modulation chip successively;
The input of described EOC interchanger is also provided with 5-65MHz band pass filter and 45-65MHz band pass filter successively;
One end of described EOC interchanger is connected with channel-splitting filter, the other end is connected with power supply signal input port, described power supply signal input port is connected with channel-splitting filter by Switching Power Supply and forms closed-loop path, between described power supply signal input port and Switching Power Supply, be also provided with cut-off switch, the port of export of described channel-splitting filter is connected with Set Top Box Digital Television interface and wireless routing network chip, and described wireless routing network chip is connected with signal transmitting antenna by power amplifier.
2. EOC equipment according to claim 1, is characterized in that: described EOC master chip is provided with the CPU that can produce Ethernet message; Described exchange chip is that the Ethernet message producing according to described CPU forwards the chip that Ethernet message flows; Described modulation chip continues the modulation signal of output the chip that the intensity of this modulation signal returning through coaxial cable loop is detected for the message flow that described exchange chip can be forwarded is modulated to; Described exchange chip is the chip with self-loop function; Described exchange chip directly forms EOC master chip Ethernet message stream, and is directly forwarded to described modulation chip with the Ethernet message that is fully loaded with mode and sends.
3. EOC equipment according to claim 1 and 2, is characterized in that: described wireless routing network chip is also connected with RJ45 Ethernet interface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420381182.7U CN204013571U (en) | 2014-07-08 | 2014-07-08 | Technical grade integrated information transmission EOC equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420381182.7U CN204013571U (en) | 2014-07-08 | 2014-07-08 | Technical grade integrated information transmission EOC equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204013571U true CN204013571U (en) | 2014-12-10 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420381182.7U Expired - Fee Related CN204013571U (en) | 2014-07-08 | 2014-07-08 | Technical grade integrated information transmission EOC equipment |
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| CN (1) | CN204013571U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106911541A (en) * | 2017-05-08 | 2017-06-30 | 深圳市茁壮网络股份有限公司 | The acquisition methods and device of convergent terminal status information |
-
2014
- 2014-07-08 CN CN201420381182.7U patent/CN204013571U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106911541A (en) * | 2017-05-08 | 2017-06-30 | 深圳市茁壮网络股份有限公司 | The acquisition methods and device of convergent terminal status information |
| CN106911541B (en) * | 2017-05-08 | 2020-07-24 | 深圳市茁壮网络股份有限公司 | Method and device for acquiring status information of convergence terminal |
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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: 20141210 Termination date: 20190708 |