CN201134816Y - Synthetic information access apparatus - Google Patents
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- CN201134816Y CN201134816Y CNU2007200561887U CN200720056188U CN201134816Y CN 201134816 Y CN201134816 Y CN 201134816Y CN U2007200561887 U CNU2007200561887 U CN U2007200561887U CN 200720056188 U CN200720056188 U CN 200720056188U CN 201134816 Y CN201134816 Y CN 201134816Y
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Abstract
An integral information access device is characterized in that an Ethernet wave-gathered device module comprises one or more Ethernet wave-gathered devices, and each of the Ethernet wave-gathered devices is provided with a data interface, a radio-frequency interface and a mixed signal interface, an Ethernet signal interface of a non-source light network unit data module is connected with the data interface of the corresponding Ethernet wave-gathered device through an exchanger module, a radio-frequency signal output interface of a television signal receiving and processing module is connected with the radio-frequency interface of the corresponding wave-gathered device through a divider, and a network managing module is connected with the television signal receiving and processing module, a power module and an exchanger module. Data signals and television signals which are received by the integral information access device are formed data and television mixed signals after being processed and are transmitted to users through the same coaxial cable, and the data signals and the television signals do not affected each other during the transmitting process, which effectively eliminates the funneling effect, and can be flexibly applied to requirements of the network construct, the maintenance is easier and more convenient, and the network managing function thereof is more complete.
Description
Technical field
The utility model relates to wired signal transmission system, specifically, relate to and cable TV signal and data-signal can be mixed and be transferred to user's comprehensive information access device by same coaxial cable, this comprehensive information access device is applicable to that the integrated information in zones such as sub-district, building inserts.
Background technology
At present, it is hfc plant that TV and Radio Service is used for the cable TV network of transmitting television signals (genus one-way transmission), the hybrid network that hfc plant is made up of optical fiber and coaxial cable, decline along with the optical fiber price, a lot of local television network broadcasts have arrived the sub-district with optical fibre installation, even have arrived building or unit.
TV and Radio Service is in order to carry out two-way services, must build two-way broadband network or existing hfc plant is carried out bidirectional rebuilding, make data-signal and TV signal all can enter user's family by coaxial cable, data-signal is separated with TV signal and be delivered to data terminal and television set respectively at user's family, and the user data terminal can be uploaded data by coaxial cable.
Main now Cable Modem Terminal System (Cable Modem TerminalSystem is called for short CMTS) and the cable modem (Cable Modem is called for short CM) of adopting by the HFC bilateral network, realized transfer of data.CMTS mixes with TV RF signals after converting downlink data signal to the data radiofrequency signal, mixed signal is after optical sender converts light signal to, arrive optical receiver through Optical Fiber Transmission, optical receiver converts light signal to radiofrequency signal, through the radiofrequency signal port, branch distributor, coaxial cable is sent to a plurality of user's familys, the shared optical receiver of a plurality of users (the radiofrequency signal port that is optical receiver is connected with a plurality of users through coaxial cable), be transported to computer after the CM that is installed in user's family converts the data radiofrequency signal that receives to ethernet signal, TV RF signals then is delivered directly to television set; The upstream data. signals of computer converts the data radiofrequency signal to through CM, transfer to optical receiver through coaxial cable, be provided with the backlight transmitter module in the optical receiver, convert the data radiofrequency signal to light signal, light signal through up Optical Fiber Transmission to returning optical receiver, the passback optical receiver converts light signal to the data radiofrequency signal, and the data radiofrequency signal is transported to CMTS, is converted to by CMTS and continues upwards transmission behind the data-signal.The shortcoming that this network exists mainly contains: because CMTS is relatively more expensive, and therefore usually a lot of shared CMTS of user, the bandwidth that can enjoy of each user is just quite little like this; CMTS and CM (each user needs a CM) compare expensive, so networking cost of investment height; When the user uploaded data, the noise that each user is transmitted produced great noise (i.e. " funneling effect ") at signal gathering point; Because a lot of shared CMTS of user when certain subscriber equipment breaks down, must investigate one by one, maintenance difficulties is big.
Summary of the invention
Because EPON (based on the EPON of Ethernet mode) self has tree (this tree is identical with hfc plant), long-distance transmissions, centre and does not have inherent advantages such as active equipment, installation and maintenance be simple and convenient, therefore adopt EPON that existing unidirectional hfc plant is transformed into bilateral network, to realize carrying out of two-way services.
Technical problem to be solved in the utility model provides a kind of comprehensive information access device, this comprehensive information access device is applicable to and adopts EPON to transform unidirectional hfc plant, it is the part of improved bilateral network, be applicable to the sub-district, the integrated information in zone such as building inserts, it forms data/TV mixed signal after treatment with data-signal and the TV signal that receives, data/TV mixed signal is transferred to the user by a coaxial cable, data-signal and TV signal are independent of each other in the transmission course, and each user is connected with comprehensive information access device by a transmission lines separately, the bandwidth that the user can enjoy is big, when uploading data, the user can not produce the noise collection effect phenomenon, and easy to maintenance, and has perfect Network Management Function.The technical scheme that adopts is as follows:
A kind of comprehensive information access device comprises passive optical network unit data module, switch module, TV signal reception and processing module, distributor, Ethernet wave multiplexer module, network management module and power module; Comprise one or more Ethernet wave multiplexers in the Ethernet wave multiplexer module, be provided with data-interface, radio frequency interface and mixed signal interface in each Ethernet wave multiplexer, the external coaxial cable of mixed signal interface; The passive optical network unit data module has optical signal interface and ethernet signal interface, and wherein the ethernet signal interface connects the data-interface of corresponding Ethernet wave multiplexer through switch module; TV signal receives and processing module has the radiofrequency signal output interface, and this radiofrequency signal output interface connects the radio frequency interface of corresponding Ethernet wave multiplexer through distributor; Network management module and TV signal reception and processing module, power module, switch module are connected.
The passive optical network unit data module has optical signal interface and ethernet signal interface, and its optical signal interface is used for input, dateout light signal; Its ethernet signal interface is used for input, dateout ethernet signal, and this ethernet signal interface connects the data-interface of corresponding Ethernet wave multiplexer through switch module.Usually be provided with optical transceiver and the inner exchanging machine that connects successively in the passive optical network unit data module, optical transceiver has optical signal interface (this optical signal interface is the optical signal interface of passive optical network unit data module) and ethernet signal interface, the ethernet signal interface of optical transceiver connects inner exchanging machine corresponding interface, and the inner exchanging machine also has a plurality of ethernet signal interfaces (the ethernet signal interface that these a plurality of ethernet signal interfaces are passive optical network unit data modules).An ethernet signal interface of above-mentioned passive optical network unit data module connects the switch module in this comprehensive information access device, all the other ethernet signal interfaces can connect the switch module in other comprehensive information access device that does not have the passive optical network unit data module, like this, can increase the access customer number amount by increasing the comprehensive information access device that does not have the passive optical network unit data module.The passive optical network unit data module also can only be provided with optical transceiver, and optical transceiver has optical signal interface (this optical signal interface is the optical signal interface of passive optical network unit data module) and ethernet signal interface (the ethernet signal interface that this ethernet signal interface is the passive optical network unit data module).Optical transceiver is through its optical signal interface downlink data receiving light signal, and converts the downlink data light signal to the data ethernet signal, exports inner exchanging machine or switch module to through its ethernet signal interface; Optical transceiver is imported the upstream data ethernet signal through its ethernet signal interface, and converts the upstream data ethernet signal to the data light signal, uploads through its optical signal interface.The passive optical network unit data module will convert the data ethernet signal to from the downlink data light signal of optical signal interface input, be transferred to switch module, input to data-interface corresponding in the Ethernet wave multiplexer module after switch module distributes.
Switch module exports data-interface corresponding the Ethernet wave multiplexer module to from corresponding interface after receiving the data ethernet signal and distributing exchange to handle.Switch module is made up of administrative center and interface, and administrative center's control and management enters the data of each interface, and safeguards the physical address form of each interface of coming in and going out in its inside.After data entered switch from certain interface, administrative center was according to entering the physical address information that carries in the data, and contrast physics address form allows data go out from the interface of correspondence.
TV signal receives and processing module is divided two kinds of cable TV Optical Receivers and radio frequency signal amplifiers modules.
Be provided with optical receiver and radio frequency signal amplifiers in the cable TV Optical Receivers, optical receiver has optical signal interface and radiofrequency signal output interface, the optical signal interface of optical receiver is the optical signal interface of cable TV Optical Receivers, the radiofrequency signal output interface of optical receiver connects the radiofrequency signal input interface of radio frequency signal amplifiers, and the radiofrequency signal output interface of radio frequency signal amplifiers (the radiofrequency signal output interface that this radiofrequency signal output interface is the cable TV Optical Receivers) connects the radio frequency interface of Ethernet wave multiplexer module through distributor.The optical receiver of cable TV Optical Receivers will convert TV RF signals to from the TV light signal of optical signal interface input, after radio frequency signal amplifiers amplifies, input to radio frequency interface corresponding in the Ethernet wave multiplexer module after distributor distributes.In a scheme, optical signal interface in the cable TV Optical Receivers connects the TV signal input optical fibre, optical signal interface in the passive optical network unit data module connects data optical fiber, and TV light signal and data light signal transmit in TV signal input optical fibre and data optical fiber respectively.In another program, the optical signal interface in the cable TV Optical Receivers is connected same optical fiber with optical signal interface in the passive optical network unit data module through light wavelength division multiplexing, and TV light signal and data light signal transmit in this same optical fiber.
Be provided with radio frequency signal amplifiers in the radio frequency signal amplifiers module, the radiofrequency signal input interface of radio frequency signal amplifiers (the radiofrequency signal input interface that this radiofrequency signal input interface is the radio frequency signal amplifiers module) connects TV signal input cable, the radiofrequency signal output interface of radio frequency signal amplifiers (the radiofrequency signal output interface that this radiofrequency signal output interface is the radio frequency signal amplifiers module) connects corresponding radio frequency interface in the Ethernet wave multiplexer module through distributor, radio frequency signal amplifiers in the radio frequency signal amplifiers module will input to radio frequency interface corresponding in the Ethernet wave multiplexer module after will importing the TV RF signals amplification of cable from TV signal after distributor distributes.
Dispenser module is made up of the signal divider, and these dividers carry out five equilibrium to signal.After TV signal enters distributor from input interface, according to the number of divider with signal halves, then from all output interface output.
Be provided with one or more Ethernet wave multiplexer modules in the comprehensive information access device, comprise an Ethernet wave multiplexer (single-port ethernet wave multiplexer module) or a plurality of Ethernet wave multiplexer (multiport Ethernet wave multiplexer module) in the Ethernet wave multiplexer module.Ethernet wave multiplexer (Ethernet Over Cable is called for short EOC) also is the coaxial cable wave multiplexer, is a passive device.The concrete structure of Ethernet wave multiplexer is, be provided with data-interface, balance/nonbalance converter, low pass filter, radio frequency interface, high pass filter and mixed signal interface in the Ethernet wave multiplexer, data-interface, balance/nonbalance converter, low pass filter and mixed signal interface are connected successively, radio frequency interface, high pass filter and mixed signal interface are connected successively, the external coaxial cable of mixed signal interface.The data-interface of the Ethernet wave multiplexer in the comprehensive information access device receives the data ethernet signal, radio frequency interface receives TV RF signals, these two kinds of signals are after the Ethernet wave multiplexer mixes, the data that obtain/TV mixed signal, data/TV mixed signal is exported from mixed signal interface, is transferred to user's family through same coaxial cable of registering one's residence.The principle of frequency division multiplexing is adopted in the transmission of mixed signal, and in concrete the application, TV RF signals is transmitted by the frequency range of high pass filter more than 87M; And the data ethernet signal transmits in the frequency band of 0.5～30M by balance/nonbalance converter and low pass filter, and the data ethernet signal does not pass through any processing, and the mode with base band in coaxial cable transmits; Data ethernet signal (data-signal) and TV RF signals (TV signal) in data/TV mixed signal are independent of each other, and data has bigger bandwidth.
Network management module is monitored and is managed TV signal reception and processing module and power module, and the information that monitors is uploaded by switch module, passive optical network unit data module; The network management signals that reception passes down through passive optical network unit data module, switch module, and TV signal reception and processing module and power module carried out network management.Network management module is made up of signal picker, signal storage and ethernet module, and signal picker is gathered the signal parameter value of TV signal reception and processing module, power module, carry out quantization encoding after, deliver in the signal storage and store; EPON network management system software extracts canned data in the signal storage by passive optical network unit data module, switch module, ethernet module, and pass network management signals down by passive optical network unit data module, switch module, ethernet module, TV signal reception and processing module and power module are carried out network management.By increasing network management module, EPON network management system software can be realized the control and management to TV signal reception and processing module, power module, and all modules (passive optical network unit data module, switch module and Ethernet wave multiplexer module itself have Network Management Function, therefore do not need network management module to manage) unified management in the realization comprehensive information access device; Can understand the ruuning situation of all modules in real time, trouble saving takes place; When breaking down, find reason, the place of generation problem fast, accelerate troubleshooting speed.
User terminal (being user's family), connect conversely with an Ethernet wave multiplexer, this Ethernet wave multiplexer structure is identical with corresponding Ethernet wave multiplexer in the comprehensive information access device, data ethernet signal and TV RF signals can be separated, be delivered to data terminal and television set respectively.The concrete connection is, the mixed signal interface of corresponding Ethernet wave multiplexer is connected by coaxial cable in the mixed signal interface of the Ethernet wave multiplexer of user terminal and the comprehensive information access device, the Ethernet wave multiplexer of user terminal receives data/TV mixed signal by mixed signal interface, after high pass filter filters from radio frequency interface output TV RF signals, through low pass filter filtering and after balance/nonbalance converter conversion from data-interface dateout ethernet signal.
The data ethernet signal that the data terminal of user's family is uploaded inputs to the data-interface of the Ethernet wave multiplexer of user terminal, through balance/nonbalance converter conversion and after low pass filter filtering, from mixed signal interface output, be delivered to the mixed signal interface of corresponding Ethernet wave multiplexer in the comprehensive information access device through coaxial cable; The low pass filter filtering of corresponding Ethernet wave multiplexer in comprehensive information access device, and after balance/nonbalance converter conversion, (this interface is semiduplex interface from data-interface dateout ethernet signal to switch module corresponding interface, descending data ethernet signal passes through these interfaces with up data ethernet signal in the different periods), by the ethernet signal interface that is delivered to the passive optical network unit data module after the switch module processing, optical transceiver in the passive optical network unit data module converts the data ethernet signal to the data light signal, through optical signal interface, data optical fiber is uploaded.
The utility model utilizes Ethernet wave multiplexer module that data-signal and the TV signal that receives formed data/TV mixed signal after treatment, data/TV mixed signal is transferred to the user by same coaxial cable, and at user terminal TV signal is separated with data-signal, data-signal and TV signal are independent of each other in the transmission course; The corresponding user of each Ethernet wave multiplexer, the bandwidth that each user can enjoy is big; When the user uploads data, the Ethernet data signal that each user uploads is transferred to switch module after by Ethernet wave multiplexer resume module, after handling by switch module again the optical transceiver in the passive optical network unit data module convert light signal to and continue to upload, eliminate funneling effect effectively; The utility model adopts modular construction, can match, increase and decrease certain module (for example can progressively increasing switch module and Ethernet wave multiplexer module, and progressively increase the access customer number amount according to business development) as required flexibly, adapts to the needs of networking; Because a user uses an Ethernet wave multiplexer, promptly each user is connected with comprehensive information access device by a transmission lines separately, and in addition because the utility model adopts modular construction, therefore maintenance is more prone to, conveniently; Comprehensive information access device is by network management module, can adopt modules such as the network management system Management Television signal reception of EPON (based on the EPON of Ethernet mode) and processing module, power module, has perfect Network Management Function.The utility model is applicable to that the integrated information in zones such as sub-district, building inserts, and is particularly suitable for being installed on corridor; Basic identical with the improved network configuration of the utility model and original hfc plant, therefore the various facilities in original hfc plant are fully used, and save network construction cost.
Description of drawings
Fig. 1 is the structured flowchart of the utility model preferred embodiment 1;
Fig. 2 is the structural representation of Ethernet wave multiplexer module among Fig. 1;
Fig. 3 is the structured flowchart of cable TV Optical Receivers among Fig. 1;
Fig. 4 is the syndeton schematic diagram of the Ethernet wave multiplexer of Ethernet wave multiplexer module and user terminal among Fig. 1;
Fig. 5 is the structured flowchart of the utility model preferred embodiment 2.
Embodiment
Embodiment 1
As depicted in figs. 1 and 2, this comprehensive information access device comprises passive optical network unit data module 1, switch module 2, cable TV Optical Receivers 3, distributor 4, Ethernet wave multiplexer module 5, network management module 6 and power module 7; This comprehensive information access device is provided with three Ethernet wave multiplexer modules (being called for short the EOC module) 5, Ethernet wave multiplexer module 5 is a single-port ethernet wave multiplexer module, comprise an Ethernet wave multiplexer 50 in each Ethernet wave multiplexer module 5, be provided with data-interface 51 (data-interface 51 adopts the RJ45 interface in the present embodiment) in each Ethernet wave multiplexer 50, balance/nonbalance converter 52, low pass filter 53, radio frequency interface 54, high pass filter 55 and mixed signal interface 56, data-interface 51, balance/nonbalance converter 52, low pass filter 53 is connected successively with mixed signal interface 56, radio frequency interface 54, high pass filter 55 is connected successively with mixed signal interface 56, mixed signal interface 56 external coaxial cables 8; Passive optical network unit data module 1 has optical signal interface and ethernet signal interface, and wherein optical signal interface connects data optical fiber 9, and the ethernet signal interface connects the data-interface 51 of corresponding Ethernet wave multiplexer 50 through switch module 2; Cable TV Optical Receivers 3 has optical signal interface 31 and radiofrequency signal output interface 32, and optical signal interface 31 connects TV signal input optical fibre 10, and radiofrequency signal output interface 32 connects the radio frequency interface 54 of corresponding Ethernet wave multiplexer 50 through distributor 4; Network management module 6 is connected with cable TV Optical Receivers 3, power module 7, switch module 2.
Passive optical network unit data module 1 has optical signal interface and ethernet signal interface, and its optical signal interface connects data optical fiber 9, is used for input, dateout light signal; Its ethernet signal interface is used for input, dateout ethernet signal, and this ethernet signal interface connects the data-interface of corresponding Ethernet wave multiplexer 50 through switch module 2.Be provided with in the passive optical network unit data module 1 and connect optical transceiver and inner exchanging machine successively, optical transceiver has optical signal interface (this optical signal interface is the optical signal interface of passive optical network unit data module) and ethernet signal interface, the ethernet signal interface of optical transceiver connects inner exchanging machine corresponding interface, and the inner exchanging machine also has a plurality of ethernet signal interfaces (the ethernet signal interface that these a plurality of ethernet signal interfaces are passive optical network unit data modules).An ethernet signal interface of above-mentioned passive optical network unit data module 1 connects the switch module 2 in this comprehensive information access device, and all the other ethernet signal interfaces can connect the switch module in other comprehensive information access device that does not have the passive optical network unit data module.Optical transceiver is through its optical signal interface downlink data receiving light signal, and converts the downlink data light signal to the data ethernet signal, exports the inner exchanging machine to through its ethernet signal interface; Optical transceiver is imported the upstream data ethernet signal through its ethernet signal interface, and converts the upstream data ethernet signal to the data light signal, uploads through its optical signal interface.Passive optical network unit data module 1 will convert the data ethernet signal to from the downlink data light signal of optical signal interface input, be transferred to switch module 2, input to data-interface corresponding in the Ethernet wave multiplexer module 5 after switch module 2 distributes.
After switch module 2 receives the data ethernet signal and distributes exchange to handle, export the data-interface 51 (in the present embodiment, this data-interface 51 is data-interfaces of the Ethernet wave multiplexer module 5 of correspondence) of corresponding Ethernet wave multiplexer 50 to from corresponding interface.
As shown in Figure 3, be provided with optical receiver 33 and radio frequency signal amplifiers 34 in the cable TV Optical Receivers 3, optical receiver 33 has optical signal interface and radiofrequency signal output interface, the optical signal interface of optical receiver is the optical signal interface 31 of cable TV Optical Receivers 3, optical signal interface 31 connects TV signal input optical fibre 10, the radiofrequency signal output interface of optical receiver 33 connects the radiofrequency signal input interface of radio frequency signal amplifiers 34, the radiofrequency signal output interface of radio frequency signal amplifiers 34 (the radiofrequency signal output interface 32 that this radiofrequency signal output interface is a cable TV Optical Receivers 3) connects the radio frequency interface 54 (in the present embodiment, this radio frequency interface 54 is radio frequency interfaces of the Ethernet wave multiplexer module 5 of correspondence) of corresponding Ethernet wave multiplexer 50 through distributor 4.The optical receiver 33 of cable TV Optical Receivers 3 will convert TV RF signals to from the TV light signal of optical signal interface input, after radio frequency signal amplifiers 34 amplifies, after distributing, distributor 4 inputs to radio frequency interface corresponding in the corresponding Ethernet wave multiplexer module 5.
The TV RF signals that data ethernet signal that above-mentioned Ethernet wave multiplexer 50 receives data-interface 51 and radio frequency interface 54 receive is mixed, mixed signal is transferred to user's family from mixed signal interface 56 outputs through the same coaxial cable of registering one's residence 8.The principle of frequency division multiplexing is adopted in the transmission of mixed signal, and TV RF signals is transmitted for 8 li at coaxial cable by the frequency range of high pass filter 55 more than 87M; And the data ethernet signal transmits in the frequency band of 0.5～30M by balance/nonbalance converter 52 and low pass filter 53, and the data ethernet signal does not pass through any processing, transmits in 8 li modes with base band of coaxial cable.
6 pairs of cable TV Optical Receivers 3 of network management module and power module 7 are monitored and are managed, and the information that monitors is uploaded by switch module 2, passive optical network unit data module 1; The network management signals that reception passes for 2 times through passive optical network unit data module 1, switch module, and cable TV Optical Receivers 3 and power module 7 carried out network management.Network management module 6 is made up of signal picker, signal storage and ethernet module, and signal picker is gathered the signal parameter value of cable TV Optical Receivers 3, power module 7, carry out quantization encoding after, deliver in the signal storage and store; EPON network management system software extracts canned data in the signal storage by passive optical network unit data module 1, switch module 2, ethernet module, and, cable TV Optical Receivers 3 and power module 7 are carried out network management by passing network management signals under passive optical network unit data module 1, switch module 2, the ethernet module.
As shown in Figure 4, user terminal (being user's family), connect conversely with an Ethernet wave multiplexer 502, these Ethernet wave multiplexer 502 structures are identical with corresponding Ethernet wave multiplexer 50 in the comprehensive information access device, data ethernet signal and TV RF signals can be separated, be delivered to data terminal 11 and television set 12 respectively.The concrete connection is, the mixed signal interface 56 of corresponding Ethernet wave multiplexer 50 is connected by coaxial cable 8 in the mixed signal interface 562 of the Ethernet wave multiplexer 502 of user terminal and the comprehensive information access device, the Ethernet wave multiplexer 502 of user terminal receives data/TV mixed signal by mixed signal interface 562, after high pass filter 552 filtering from radio frequency interface 542 output TV RF signals to television set 12, through low pass filter 532 filtering and after 522 conversions of balance/nonbalance converter from data-interface 512 dateout ethernet signals to data terminal 11.
The data ethernet signal that the data terminal 11 of user's family is uploaded inputs to the data-interface 512 of the Ethernet wave multiplexer 502 of user terminal, through 522 conversions of balance/nonbalance converter and after low pass filter 532 filtering, from mixed signal interface 562 output, be delivered to the mixed signal interface 56 of corresponding Ethernet wave multiplexer 50 in the comprehensive information access device through coaxial cable 8; Low pass filter 53 filtering of corresponding Ethernet wave multiplexer 50 in comprehensive information access device, and after 52 conversions of balance/nonbalance converter, (this interface is semiduplex interface from data-interface 51 dateout ethernet signals to switch module 2 corresponding interface, descending data ethernet signal passes through these interfaces with up data ethernet signal in the different periods), by the ethernet signal interface that is delivered to passive optical network unit data module 1 after switch module 2 processing, optical transceiver in the passive optical network unit data module 1 converts the data ethernet signal to the data light signal, through optical signal interface, data optical fiber 9 is uploaded.
Embodiment 2
As shown in Figure 5, TV signal reception and processing module are radio frequency signal amplifiers module 13 in the present embodiment, promptly with the cable TV Optical Receivers 3 in radio frequency signal amplifiers module 13 alternate embodiments 1.Be provided with radio frequency signal amplifiers in the radio frequency signal amplifiers module 13, the radiofrequency signal input interface of radio frequency signal amplifiers (the radiofrequency signal input interface that this radiofrequency signal input interface is a radio frequency signal amplifiers module 13) connects TV signal input cable 14, the radiofrequency signal output interface of radio frequency signal amplifiers (the radiofrequency signal output interface that this radiofrequency signal output interface is the radio frequency signal amplifiers module) connects the radio frequency interface of Ethernet wave multiplexer module 5 through distributor 4, radio frequency signal amplifiers in the radio frequency signal amplifiers module 13 will input to radio frequency interface corresponding in the Ethernet wave multiplexer module 5 after will importing the TV RF signals amplification of cable 14 from TV signal after distributor 4 distributes.
Network management module 6 is connected with radio frequency signal amplifiers module 13, power module 7, switch module 2.6 pairs of radio frequency signal amplifiers modules 13 of network management module and power module 7 are monitored and are managed, and the information that monitors is uploaded by switch module 2, passive optical network unit data module 1; The network management signals that reception passes for 2 times through passive optical network unit data module 1, switch module, and radio frequency signal amplifiers module 13 and power module 7 carried out network management.
All the other structures of present embodiment are identical with embodiment 1.
In other embodiments, the Ethernet wave multiplexer module in the comprehensive information access device can adopt multiport Ethernet wave multiplexer module, is provided with a plurality of Ethernet wave multiplexers in each Ethernet wave multiplexer module.Multiport Ethernet wave multiplexer module is to be combined by certain transformation by a plurality of Ethernet wave multiplexers, does as a whole the use.Its a kind of concrete structure is, be provided with an internal distribution device in the multiport Ethernet wave multiplexer module, a plurality of Ethernet wave multiplexers, a radio frequency interface, a plurality of data-interfaces and a plurality of mixed signal interface (have 4 data interfaces as 4 road Ethernet wave multiplexer modules, 1 radio frequency interface and 4 mixed signal interfaces, and 6 road Ethernet wave multiplexer modules have 6 data interfaces, 1 radio frequency interface and 6 mixed signal interfaces), radio frequency interface is connected through the radio frequency interface of internal distribution device with each Ethernet wave multiplexer, each data-interface is the data-interface of each Ethernet wave multiplexer, and each mixed signal interface is the mixed signal interface of each Ethernet wave multiplexer.It is connected with the corresponding interface of switch module by each data-interface; Be connected with distributor by radio frequency interface; Be connected with the Ethernet wave multiplexer of user terminal through the coaxial cable service wire by mixed signal interface.
Claims (8)
1, a kind of comprehensive information access device is characterized in that comprising passive optical network unit data module, switch module, TV signal reception and processing module, distributor, Ethernet wave multiplexer module, network management module and power module; Comprise one or more Ethernet wave multiplexers in the Ethernet wave multiplexer module, be provided with data-interface, radio frequency interface and mixed signal interface in each Ethernet wave multiplexer, the external coaxial cable of mixed signal interface; The passive optical network unit data module has optical signal interface and ethernet signal interface, and wherein the ethernet signal interface connects the data-interface of corresponding Ethernet wave multiplexer through switch module; TV signal receives and processing module has the radiofrequency signal output interface, and this radiofrequency signal output interface connects the radio frequency interface of corresponding Ethernet wave multiplexer through distributor; Network management module and TV signal reception and processing module, power module, switch module are connected.
2, comprehensive information access device according to claim 1, it is characterized in that: be provided with the optical transceiver and the inner exchanging machine that connect successively in the described passive optical network unit data module, optical transceiver has optical signal interface and ethernet signal interface, and the optical signal interface of optical transceiver is the optical signal interface of passive optical network unit data module; The ethernet signal interface of optical transceiver connects inner exchanging machine corresponding interface, the inner exchanging machine also has a plurality of ethernet signal interfaces, the ethernet signal interface that these a plurality of ethernet signal interfaces are passive optical network unit data modules, one of them ethernet signal interface connects switch module.
3, comprehensive information access device according to claim 1 is characterized in that: described TV signal receives and processing module is cable TV Optical Receivers or radio frequency signal amplifiers module.
4, comprehensive information access device according to claim 3, it is characterized in that: be provided with optical receiver and radio frequency signal amplifiers in the described cable TV Optical Receivers, optical receiver has optical signal interface and radiofrequency signal output interface, the optical signal interface of optical receiver is the optical signal interface of cable TV Optical Receivers, the radiofrequency signal output interface of optical receiver connects the radiofrequency signal input interface of radio frequency signal amplifiers, and the radiofrequency signal output interface of radio frequency signal amplifiers connects the radio frequency interface of Ethernet wave multiplexer module through distributor.
5, comprehensive information access device according to claim 3, it is characterized in that: be provided with radio frequency signal amplifiers in the described radio frequency signal amplifiers module, the radiofrequency signal input interface of radio frequency signal amplifiers connects TV signal input cable, and the radiofrequency signal output interface of radio frequency signal amplifiers connects the radio frequency interface of Ethernet wave multiplexer module through distributor.
6, according to each described comprehensive information access device of claim 1～5, it is characterized in that: be provided with one or more Ethernet wave multiplexer modules in the described comprehensive information access device, comprise one or more Ethernet wave multiplexers in the Ethernet wave multiplexer module.
7, according to each described comprehensive information access device of claim 1～5, it is characterized in that: be provided with data-interface, balance/nonbalance converter, low pass filter, radio frequency interface, high pass filter and mixed signal interface in the described Ethernet wave multiplexer, data-interface, balance/nonbalance converter, low pass filter and mixed signal interface are connected successively, radio frequency interface, high pass filter and mixed signal interface are connected successively, the external coaxial cable of mixed signal interface.
8, comprehensive information access device according to claim 6, it is characterized in that: be provided with data-interface, balance/nonbalance converter, low pass filter, radio frequency interface, high pass filter and mixed signal interface in the described Ethernet wave multiplexer, data-interface, balance/nonbalance converter, low pass filter and mixed signal interface are connected successively, radio frequency interface, high pass filter and mixed signal interface are connected successively, the external coaxial cable of mixed signal interface.
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| CNU2007200561887U CN201134816Y (en) | 2007-08-22 | 2007-08-22 | Synthetic information access apparatus |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102684792A (en) * | 2012-04-11 | 2012-09-19 | 深圳市同洲电子股份有限公司 | System for signal transmission |
| CN102883151A (en) * | 2012-09-27 | 2013-01-16 | 深圳市中技源专利城有限公司 | Plastic optical fiber user access network equipment and plastic optical fiber user access network system for broadcast network |
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2007
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102684792A (en) * | 2012-04-11 | 2012-09-19 | 深圳市同洲电子股份有限公司 | System for signal transmission |
| CN102684792B (en) * | 2012-04-11 | 2015-09-23 | 深圳市同洲电子股份有限公司 | A kind of system of Signal transmissions |
| CN102883151A (en) * | 2012-09-27 | 2013-01-16 | 深圳市中技源专利城有限公司 | Plastic optical fiber user access network equipment and plastic optical fiber user access network system for broadcast network |
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