CN204272329U - A kind of cable TV broadband network system based on EOC equipment - Google Patents
A kind of cable TV broadband network system based on EOC equipment Download PDFInfo
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- CN204272329U CN204272329U CN201420612000.2U CN201420612000U CN204272329U CN 204272329 U CN204272329 U CN 204272329U CN 201420612000 U CN201420612000 U CN 201420612000U CN 204272329 U CN204272329 U CN 204272329U
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Abstract
The utility model provides a kind of cable TV broadband network system based on EOC equipment.EOC equipment, comprises main control chip, and described main control chip execution technique standard is IEEE802.11a/b/g/n, and operating frequency is at 2.4GHz.Broadband network system comprises the OLT device of EPON, the ONU equipment of EPON and LAN switch, and the CLT line terminal equipment of EOC; The OLT device of described EPON is arranged at headend room; ONU equipment and the LAN switch of described EPON are arranged at optical node; The CLT line terminal equipment of described EOC is arranged and floor centralized distribution case place; Described CLT line terminal equipment is connected to user by mixer and distributor successively.Be applicable to optical node to building, bandwidth of registering one's residence can reach more than 10M, and solve the problem that wiring is complicated, effect equals to FTTH, construction cost is low.
Description
Technical field
The utility model relates to a kind of cable TV broadband network system based on EOC equipment, particularly relates to a kind of for the EOC equipment in field of broadcast televisions and the cable TV broadband network system based on this equipment.
Background technology
Wireless local area network technology is one of the most promising technology of wireless communication field.At present, WLAN technology is day by day ripe, applies increasingly extensive.In numerous standards, people know that maximum is IEEE(American Electronic the Institution of Electrical Engineers) 802.11 series, the mode that the different producer of WiFi over Coax realizes is slightly different, and maximum difference is: the different and whether frequency conversion of the frequency range of use.EOC equipment operating frequency of the prior art is below CHINA RFTCOM Co Ltd 860MHz's, and cost is high; Only support that an optical node covers the network schemer at below 32 families, bandwidth of registering one's residence per family, less than 10Mbps, is subject to telecomm base station interference.
In prior art, the networking model of cable TV broadband network has:
1, EPON+EOC networking model: convergence-level network EPON technology ONU (Optical Network Unit optical network unit) is laid in optical node; EOC refers to ethernet signal a kind of transmission technology on coax, here the coaxial Ethernet head end of CLT(Coax Line Terminal) be laid in optical node, dock with ONU, radiofrequency signal after modulation is by the coaxial ethernet terminal of CNU(Coax Network Unit of coaxial cable distribution net access user indoor), realize data access network.At present mainly Broadcast Television network operators adopts, and is applicable to the floor (general four floors are a capping unit) in optical node to building.
The defect of EPON+EOC networking model is: user's average bandwidth is less than 10Mbps; CLT cost is high, fluctuation of service; Require that optical node must enter the floor in building, an optical node covers below 32 families.Incompatible CMTS (DOCSIS) system grid connection is run.
2, EPON+LAN networking model: convergence-level network EPON technology ONU is laid in optical node; LAN refers to a kind of transmission technology of ethernet signal on twisted-pair feeder netting twine (category-5 cable, six class lines), here switch is laid in optical node, docks with ONU, also will lay switch at corridor simultaneously, indoor by category-5 cable access user, realize data access network.Mainly telecom operators adopt at present, are applicable to optical node to building.Bandwidth of registering one's residence also can reach 10Mbps.
The defect of EPON+EOC networking model is: construction wiring is complicated, and operation power charge cost is high.
Utility model content
The technical problems to be solved in the utility model is to provide a kind of low cost, broadband of registering one's residence is at more than 10Mbps, not easily by the EOC equipment of telecomm base station interference, and reach more than 10Mbps based on this equipment broadband that can make to register one's residence, can solve again that wiring is complicated, the cable TV broadband network system of operation power charge cost high problem.
The technical solution adopted in the utility model is as follows:
Based on a cable TV broadband network system for EOC equipment, it is characterized in that: described EOC equipment comprises main control chip, described main control chip execution technique standard is IEEE802.11a/b/g/n, and working frequency range is at 2.4GHz; Also comprise the OLT device of EPON, the ONU equipment of EPON and LAN switch, and the CLT equipment of EOC; The OLT device of described EPON is arranged at headend room; ONU equipment and the LAN switch of described EPON are arranged at optical node; The CLT equipment of described EOC is arranged and floor centralized distribution case place; Described CLT equipment is connected to the CNU terminal of user indoor successively by mixer and distributor.
As preferably, between described mixer and hfc plant, be connected with 860M low pass filter.
As preferably, described main control chip adopts BCM5365C0, RT3050 or AR2316/2315 to be main control chip.
Compared with prior art, the beneficial effects of the utility model are: EOC equipment execution technique standard of the present utility model is IEEE802.11a/b/g/n, and working frequency range, at 2.4GHz, can make to register one's residence broadband at more than 10Mbps, not easily disturb by telecomm base station; EPON+LAN+EOC(2.4G) cable TV broadband network system, is applicable to optical node to building.Bandwidth of registering one's residence can reach more than 10Mbps, and solve the problem that wiring is complicated, effect equals to FTTH, construction cost is low.
Accompanying drawing explanation
Fig. 1 is the principle schematic of the utility model wherein embodiment.
Embodiment
In order to make the purpose of this utility model, technical scheme and advantage clearly understand, below in conjunction with drawings and Examples, the utility model is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the utility model, and be not used in restriction the utility model.
Arbitrary feature disclosed in this specification (comprising any accessory claim, summary and accompanying drawing), unless specifically stated otherwise, all can be replaced by other equivalences or the alternative features with similar object.That is, unless specifically stated otherwise, each feature is an example in a series of equivalence or similar characteristics.
The basic structure of cable TV transmission network network is centered by headend room, key optical signal transmission is realized by fiber optic network, after optical signal transmission to optical node, the centralized distribution case of the coaxial cable primary transmission signal of telecommunication to floor is begun through from optical node, more indoor to user by coaxial cable distribution net transmission of electric signals.
In this specific embodiment, adopt EOC equipment---the CLT that can launch WiFi signal, described CLT main control chip execution technique standard is IEEE802.11a/b/g/n; Working frequency range: 2.4GHz; Described in this specific embodiment, CLT equipment adopts Botong BCM5356C0, RT3050 or AR2316/2315 to be main control chip.
As shown in Figure 1, based on the cable TV broadband network group network system of the EOC equipment of described 2.4GHz, comprise the OLT device of EPON, the ONU equipment of EPON and LAN switch, and the CLT equipment of EOC; The OLT device of described EPON is arranged at headend room; ONU equipment and the LAN switch of described EPON are arranged at optical node; The CLT equipment of described EOC is arranged and floor centralized distribution case place; Described CLT equipment is connected to the CNU terminal of user indoor successively by mixer and distributor.
In this specific embodiment, the CLT apparatus output signal frequency range of described EOC is 2.4GHz.EPON+LAN+EOC (2.4GHz) novel cable TV broadband network technology mode in this specific embodiment is on the basis of existing cable TV transmission network network, by laying the twisted-pair feeder netting twine of optical node to floor centralized distribution case,
Be connected with 860M low pass filter between described mixer and hfc plant, flow to hfc plant with the high frequency restricting the number of isolating CLT.
Meanwhile, in this specific embodiment, difference with the prior art is also: be arranged on the working frequency range of the distributor of floor and the distributor of user's family at 5MHz to 2.5GHz.
From headend room to optical node, adopt EPON technology, transmission medium is fibre circuit; From optical node to floor centralized distribution case, adopt lan technology, transmission medium is twisted-pair feeder; Indoor from floor centralized distribution case to user, adopt EOC technology, transmission medium is coaxial cable and distributor.
In this specific embodiment, the working frequency range of described EOC is 2.4GHz.
The novel cable TV broadband network system of this EPON+LAN+EOC (2.4GHz) is adopted to be very easy to for the construction of original CATV Distribution Net.Only need gigabit primary transmission Fiber-To-The-Building, EPON-OLT and switch is laid at optical node place, distributed by switch, lay netting twine (six class lines) again to floor centralized distribution case place, lay EOC (2.4GHz)-CLT, special distributor need be changed, utilize original coaxial cable distributed lines to realize wideband data and to register one's residence transmission.
Technical solution of the present invention achieves consumer wideband 10Mbps to 90Mbps, supports that an optical node covers the network schemer at below 300 families, and the construction of twisted-pair feeder netting twine (category-5 cable, six class lines) only need arrive corridor, and construction easily; Meanwhile, can reduce operation power charge, year power consumption is less than 8 degree per family, can compatible CMTS (DOCSIS) system grid connection run, and network rebuilding cost is low, per family lower than 200 yuan.
Claims (3)
1. based on a cable TV broadband network system for EOC equipment, it is characterized in that: described EOC equipment comprises main control chip, described main control chip execution technique standard is IEEE802.11a/b/g/n, and working frequency range is at 2.4GHz; Also comprise the OLT device of EPON, the ONU equipment of EPON and LAN switch, and the CLT equipment of EOC; The OLT device of described EPON is arranged at headend room; ONU equipment and the LAN switch of described EPON are arranged at optical node; The CLT equipment of described EOC is arranged and floor centralized distribution case place; Described CLT equipment is connected to the CNU terminal of user indoor successively by mixer and distributor.
2. cable TV broadband network system according to claim 1, is characterized in that: be connected with 860M low pass filter between described mixer and hfc plant.
3. cable TV broadband network system according to claim 1, is characterized in that: described main control chip adopts BCM5365C0, RT3050 or AR2316/2315 to be main control chip.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420612000.2U CN204272329U (en) | 2014-10-22 | 2014-10-22 | A kind of cable TV broadband network system based on EOC equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420612000.2U CN204272329U (en) | 2014-10-22 | 2014-10-22 | A kind of cable TV broadband network system based on EOC equipment |
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| Publication Number | Publication Date |
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| CN204272329U true CN204272329U (en) | 2015-04-15 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420612000.2U Expired - Fee Related CN204272329U (en) | 2014-10-22 | 2014-10-22 | A kind of cable TV broadband network system based on EOC equipment |
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| CN (1) | CN204272329U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118042314A (en) * | 2024-04-15 | 2024-05-14 | 四川天邑康和通信股份有限公司 | FTTR network system and compatible method |
-
2014
- 2014-10-22 CN CN201420612000.2U patent/CN204272329U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118042314A (en) * | 2024-04-15 | 2024-05-14 | 四川天邑康和通信股份有限公司 | FTTR network system and compatible method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150415 Termination date: 20151022 |
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| EXPY | Termination of patent right or utility model |