CN203537397U - A transmission unit which is based on an optical network to realize chain type cascade (ONU) - Google Patents
A transmission unit which is based on an optical network to realize chain type cascade (ONU) Download PDFInfo
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- CN203537397U CN203537397U CN201320658720.8U CN201320658720U CN203537397U CN 203537397 U CN203537397 U CN 203537397U CN 201320658720 U CN201320658720 U CN 201320658720U CN 203537397 U CN203537397 U CN 203537397U
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Abstract
The utility model discloses a transmission unit which is based on an optical network to realize chain type cascade (ONU). The transmission unit which is based on the optical network to realize the chain type cascade (ONU) of the utility model comprises a power supply module, an optical transmit-receive module, a control module, an exchange module, an Ethernet electrical interface and an Ethernet optical interface. The power supply module is separately in electric connection with the optical transmit-receive module, the control module and the exchange module. The optical transmit-receive module is connected with the control module through the optical interface. The exchange module is connected with the control module through the data communication interface. The optical transmit-receive module is in optical connection with the exchange module through the Ethernet. The exchange module receives and transmits optical signals through the optical interface, and receives and transmits electrical signals through the Ethernet electrical interface. According to the utility model, a restriction that the transmission distance of an EPON system is only 20 kilometers is solved; ring network protection is realized; the stability of business is guaranteed; the transmission unit which is based on the optical network to realize the chain type cascade can be used in broader fields; and costs of a corresponding scheme are reduced.
Description
Technical field
The utility model belongs to the Ethernet passive network data communications field, relates to a kind of based on ethernet passive optical network
Realize the transmission unit ONU(Ethernet passive net transmission terminal of chain type cascade).
Background technology
EPON(ethernet passive optical network) be a kind of novel Optical Access Network technology.It adopts point-to-multipoint structure, passive fiber transmission, and multiple business is provided on Ethernet, at transmission terminal ONU layer, can realize star-like link and chain type cascaded link.Completing ONU is connected by ether optical interface mode with other communication equipments with ONU, ONU; realize the chain type cascade of a plurality of optical network unit ONU; extended the access of many clients under transmission range and single fiber; or a plurality of optical network unit ONU realize looped network protection; improved greatly the stability of data; the transmission such as high-speed data, image can be completed more easily, the weak point of existing terminal technology scheme can be well made up.
Operator is at present when providing broadband services based on EPON network, and ustomer premises access equipment solution is as follows:
Ustomer premises access equipment only goes out a kind of interface, is generally Ethernet electrical interface.The great like this communication mode that affected, equipment can only singlely be used, all cannot be well compatible in a lot of fields, due to the characteristic of EPON system, cause under single PON port can only 32 transmission unit ONU of maximum access, and maximum transmission distance is 20 kilometers, so at special occasions, user's demand cannot be met.
Summary of the invention
The purpose of this utility model is to provide a kind of new terminals ONU for the deficiency of existing EPON Networking Solutions & provisioned; 4 Ethernet electricity mouths, 3 Ethernet light mouths and 1 PON mouth can be provided; thereby can better realize the chain type cascade of transmission unit ONU; or looped network protection; guarantee the stability of transmission, the access of many equipment, extend transmission distance; use variation, can better support multi-field mixing to use.
The technical scheme that the utility model technical solution problem adopts is:
The utility model comprises power module, optical transceiver module, control module, Switching Module, Ethernet electrical interface and Ethernet optical interface.
Power module is electrically connected to optical transceiver module, control module, Switching Module respectively, optical transceiver module is connected with control module by optical interface, Switching Module is connected with control module by data communication interface, optical transceiver module is connected with Switching Module light by ether light net, Switching Module is received and is sent light signal by optical interface, by Ethernet electrical interface, is received and is sent the signal of telecommunication.
Furtherly, described power module provides 3.3 volts of voltages, 2.5 volts of voltages and 1.0 volts of voltages.
Furtherly, described control module comprises central processing unit, configuration management interface, data communication interface, and central processing unit is responsible for deal with data, and configuration management interface is responsible for configuring Switching Module data, and data communication interface is responsible for the transmitting-receiving of data and is processed.
Furtherly, described Switching Module comprises Ethernet switching chip 88E6097F.
The utility model possesses following advantage than prior art equipment: descendingly can carry out data communication by different modes, can also can transmit data by light signal by the signal of telecommunication, realize interface variation.Under single PON, access a plurality of transmission unit ONU equipment; number of users obtains very large assurance; solve EPON system transmission range and only had the restriction of 20 kilometers; realize looped network protection; the stability of assurance business; can in wider field, use, reduce the cost of corresponding scheme, can also to subordinate's transmission unit ONU equipment, carry out function management by ether optical interface.
Accompanying drawing explanation
Fig. 1 structured flowchart of the present utility model;
Control module structural representation in Fig. 2 the utility model;
Switching Module structural representation in Fig. 3 the utility model.
Embodiment
Below in conjunction with accompanying drawing, the utility model is further described.
As shown in Figure 1, power module 1, optical transceiver module 2, control module 3, Switching Module 4, Ethernet electrical interface 5, Ethernet optical interface 6.Power module 1 is connected with optical transceiver module 2, control module 3, Switching Module 4 respectively, optical transceiver module 2 is connected with control module 3 by optical interface, Switching Module 4 is connected with control module 3 by data communication interface, optical transceiver module 2 carries out reception and the transmission of light signal by optical interface, Switching Module is received and is sent light signal by optical interface, by Ethernet interface, is received and is sent the signal of telecommunication.
As shown in Figure 2, control module 3 is mainly comprised of central processing unit 3-1, configuration management interface 3-2, data communication interface 3-3, the main deal with data of central processing unit 3-1, configuration management interface 3-2 is mainly responsible for configuration Switching Module data, and data communication interface 3-3 is mainly responsible for the transmitting-receiving of data and processes.
As shown in Figure 3, Switching Module 4 is mainly by exchange chip 4-1, Ethernet electrical interface 4-2, and Ethernet optical interface 4-3 forms, and exchange chip 4-1 is responsible for exchanges data and Data Control, management Multi-ported Data.Ethernet electrical interface 4-2 is mainly comprised of Ethernet transformer and interface, and the reception that is mainly used in the signal of telecommunication sends.Ethernet optical interface 4-3 is mainly by 155M optical interface the electric circuit constitute, for the transmission of ONU downlink optical signal.
ONU equipment of the present utility model comprises Ethernet electrical interface and an Ethernet optical interface described at least one.
Optical transceiver module: its up wavelength adopts 1310nm, and downstream wavelength adopts 1490nm.Major function is the conversion realizing between light signal and the signal of telecommunication.
The CS8032 chip that the actual chip of selecting of described CPU module is CORTINA company, inner ARM9 processor is realized management and is controlled function, and RAM completes frame buffer function.
Described Switching Module is that 88E6097F can realize a plurality of Ethernet electrical interfaces and Ethernet optical interface as required, and Switching Module is realized bandwidth and controlled function, QOS function and the VLAN based on business, upgrading service, the functions such as expansion.
It is modules power supply that power module adopts MP1497 direct-current switch power supply chip.
Claims (4)
1. based on optical-fiber network, realize a transmission unit ONU for chain type cascade, comprise power module, optical transceiver module, control module, Switching Module, Ethernet electrical interface and Ethernet optical interface, it is characterized in that:
Power module is electrically connected to optical transceiver module, control module, Switching Module respectively, optical transceiver module is connected with control module by optical interface, Switching Module is connected with control module by data communication interface, optical transceiver module is connected with Switching Module light by ether light net, Switching Module is received and is sent light signal by optical interface, by Ethernet electrical interface, is received and is sent the signal of telecommunication.
2. a kind of transmission unit ONU that realizes chain type cascade based on optical-fiber network according to claim 1, is characterized in that: described power module provides 3.3 volts of voltages, 2.5 volts of voltages and 1.0 volts of voltages.
3. a kind of transmission unit ONU that realizes chain type cascade based on optical-fiber network according to claim 1, it is characterized in that: described control module comprises central processing unit, configuration management interface, data communication interface, central processing unit is responsible for deal with data, configuration management interface is responsible for configuring Switching Module data, and data communication interface is responsible for the transmitting-receiving of data and is processed.
4. a kind of transmission unit ONU that realizes chain type cascade based on optical-fiber network according to claim 1, is characterized in that: described Switching Module comprises Ethernet switching chip 88E6097F.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320658720.8U CN203537397U (en) | 2013-10-24 | 2013-10-24 | A transmission unit which is based on an optical network to realize chain type cascade (ONU) |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320658720.8U CN203537397U (en) | 2013-10-24 | 2013-10-24 | A transmission unit which is based on an optical network to realize chain type cascade (ONU) |
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| CN203537397U true CN203537397U (en) | 2014-04-09 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201320658720.8U Expired - Fee Related CN203537397U (en) | 2013-10-24 | 2013-10-24 | A transmission unit which is based on an optical network to realize chain type cascade (ONU) |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106527272A (en) * | 2016-12-01 | 2017-03-22 | 中国东方电气集团有限公司 | Power electronic general control system |
| CN106898131A (en) * | 2015-12-17 | 2017-06-27 | 广州航天海特系统工程有限公司 | A kind of single fiber data transmission system |
-
2013
- 2013-10-24 CN CN201320658720.8U patent/CN203537397U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106898131A (en) * | 2015-12-17 | 2017-06-27 | 广州航天海特系统工程有限公司 | A kind of single fiber data transmission system |
| CN106527272A (en) * | 2016-12-01 | 2017-03-22 | 中国东方电气集团有限公司 | Power electronic general control system |
| CN106527272B (en) * | 2016-12-01 | 2023-10-03 | 中国东方电气集团有限公司 | Universal control system for power electronics |
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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: 20140409 Termination date: 20181024 |