CN106358095A - Industrial grade optical network unit (ONU) - Google Patents
Industrial grade optical network unit (ONU) Download PDFInfo
- Publication number
- CN106358095A CN106358095A CN201610993950.8A CN201610993950A CN106358095A CN 106358095 A CN106358095 A CN 106358095A CN 201610993950 A CN201610993950 A CN 201610993950A CN 106358095 A CN106358095 A CN 106358095A
- Authority
- CN
- China
- Prior art keywords
- onu
- module
- transceiving chip
- uplink
- center processor
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q11/00—Selecting arrangements for multiplex systems
- H04Q11/0001—Selecting arrangements for multiplex systems using optical switching
- H04Q11/0062—Network aspects
- H04Q11/0067—Provisions for optical access or distribution networks, e.g. Gigabit Ethernet Passive Optical Network (GE-PON), ATM-based Passive Optical Network (A-PON), PON-Ring
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q11/00—Selecting arrangements for multiplex systems
- H04Q11/0001—Selecting arrangements for multiplex systems using optical switching
- H04Q11/0062—Network aspects
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q11/00—Selecting arrangements for multiplex systems
- H04Q11/0001—Selecting arrangements for multiplex systems using optical switching
- H04Q11/0062—Network aspects
- H04Q2011/0079—Operation or maintenance aspects
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q11/00—Selecting arrangements for multiplex systems
- H04Q11/0001—Selecting arrangements for multiplex systems using optical switching
- H04Q11/0062—Network aspects
- H04Q2011/0079—Operation or maintenance aspects
- H04Q2011/0081—Fault tolerance; Redundancy; Recovery; Reconfigurability
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q11/00—Selecting arrangements for multiplex systems
- H04Q11/0001—Selecting arrangements for multiplex systems using optical switching
- H04Q11/0062—Network aspects
- H04Q2011/0079—Operation or maintenance aspects
- H04Q2011/0083—Testing; Monitoring
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q11/00—Selecting arrangements for multiplex systems
- H04Q11/0001—Selecting arrangements for multiplex systems using optical switching
- H04Q11/0062—Network aspects
- H04Q2011/009—Topology aspects
- H04Q2011/0092—Ring
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Small-Scale Networks (AREA)
- Optical Communication System (AREA)
Abstract
The invention discloses an industrial grade optical network unit (ONU) which comprises multiple ONUs, and each ONU comprises a central processor, wherein the central processor is connected with a serial communication module, an Ethernet exchange module, an uplink optical transceiving chip and a downlink optical transceiving chip; each ONU also comprises a spectral analysis module and an optical power detection module, wherein the optical power detection module is used for detecting optical power signals of the uplink and the downlink optical transceiving chips, and the spectral analysis module is used for detecting optical signal frequency; and multiple ONUs form a hand-in-hand topological structure. The industrial grade ONU disclosed by the invention has the hand-in-hand topological structure formed by multiple ONUs, has the advantage of high communication reliability, can realize networking connection of industrial grade Ethernet and an RS communication network, can effectively prevent the problems of signal error code and distortion which are caused by abnormity of the optical signal frequency, and is beneficial to fault detection of the central processor, and the working reliability of each ONU is improved.
Description
Technical field
The present invention relates to optical network unit field, specifically a kind of technical grade optical network unit.
Background technology
Optical network unit onu(optical network unit) be intelligent acess terminal unit, its general and olt
(optical line terminal) uses cooperatively.Optical network unit onu typically receives and dispatches core by center processor, up-downgoing light
Piece is constituted, and receives the signal of olt by up transceiving chip, realizes the interactive networking between onu by descending smooth transceiving chip.
Using process, there is incomplete problem it is impossible at sectional center in the detection for optical signal to prior art optical network unit
Reason device judges optical link fault.
Content of the invention it is an object of the invention to provide a kind of technical grade optical network unit, to solve prior art optical-fiber network
The incomplete problem of unit optical signal detecting.
In order to achieve the above object, the technical solution adopted in the present invention is:
Technical grade optical network unit it is characterised in that: include multiple onu units, each onu unit includes center processing respectively
Device, center processor is connected with serial communication module, ethernet switching module, and connects multigroup rs string by serial communication module
Mouthful, multigroup fe interface is connected by ethernet switching module, center processor be also associated with up smooth transceiving chip, descending light transmitting-receiving
Chip, connects pon interface respectively by uplink and downlink light transceiving chip, and each onu unit respectively further comprises spectrum analysis module, light
Power detection module, wherein luminous power detection module are connected with uplink and downlink light transceiving chip respectively, and luminous power detection module with
Center processor connects, and is detected the optical power signals of uplink and downlink light transceiving chip, spectrum analysis module by luminous power detection module
Access between uplink and downlink light transceiving chip and each self-corresponding pon interface, and spectrum analysis module be connected with center processor,
Optical signal frequency is detected by spectrum analysis module；In two adjacent onu units, the descending light transmitting-receiving of one of onu unit
It is connected by pon interface between chip and the up smooth transceiving chip of another onu unit, constitute topological structure of handing in hand.
Described technical grade optical network unit it is characterised in that: in each onu unit, ethernet switching module is also connected with
There is console serial ports.
Described technical grade optical network unit it is characterised in that: in each onu unit, center processor is also associated with depositing
Storage module.
Described technical grade optical network unit it is characterised in that: described luminous power detection module is by light-sensitive element respectively
Detection uplink and downlink transceiving chip transmitting terminal and the optical signal power of receiving terminal, and the information of detection is sent to center processor,
Judge by center processor whether the optical signal power of uplink and downlink transceiving chip is normal.
Described technical grade optical network unit it is characterised in that: described spectrum analysis module detects uplink and downlink transceiving chip
Transmitting terminal and the optical signal frequency of receiving terminal, and the information of detection is sent to center processor, gone up by center processor judgement,
Whether the optical signal frequency of descending transceiving chip is normal.
Compared with the prior art, beneficial effects of the present invention are embodied in:
The present invention constitutes hand-in-hand topological structure by multiple onu units, has the advantages that communication reliability is high, and onu unit carries
For Ethernet access interface and rs serial ports, achievable technical grade Ethernet, the networking of rs communication network connect, in each onu unit
Middle setting spectrum analysis module, luminous power detection module, detect optical signal power by luminous power detection module, and by spectrum analyses
Module detects optical signal frequency, the not only exception of detectable light signal power, can also detect that optical signal frequency is abnormal, can be effective
Prevent signal errors because optical signal frequency occurs extremely, the problem of distortion, contribute to the fault detect of center processor, carry
High optical network unit functional reliability.
Brief description
Fig. 1 is present configuration block diagram.
Specific embodiment
As shown in figure 1, technical grade optical network unit, including multiple onu units, each onu unit includes center respectively
Reason device, center processor is connected with serial communication module, ethernet switching module, and connects multigroup rs string by serial communication module
Mouthful, multigroup fe interface is connected by ethernet switching module, center processor be also associated with up smooth transceiving chip, descending light transmitting-receiving
Chip, connects pon interface respectively by uplink and downlink light transceiving chip, and each onu unit respectively further comprises spectrum analysis module, light
Power detection module, wherein luminous power detection module are connected with uplink and downlink light transceiving chip respectively, and luminous power detection module with
Center processor connects, and is detected the optical power signals of uplink and downlink light transceiving chip, spectrum analysis module by luminous power detection module
Access between uplink and downlink light transceiving chip and each self-corresponding pon interface, and spectrum analysis module be connected with center processor,
Optical signal frequency is detected by spectrum analysis module；In two adjacent onu units, the descending light transmitting-receiving of one of onu unit
It is connected by pon interface between chip and the up smooth transceiving chip of another onu unit, constitute topological structure of handing in hand.
In each onu unit, ethernet switching module is also associated with console serial ports.
In each onu unit, center processor is also associated with memory module.
Luminous power detection module detects the light letter of uplink and downlink transceiving chip transmitting terminal and receiving terminal respectively by light-sensitive element
Number power, and the information of detection is sent to center processor, the optical signal of uplink and downlink transceiving chip is judged by center processor
Whether power is normal.
Spectrum analysis module detects the optical signal frequency of uplink and downlink transceiving chip transmitting terminal and receiving terminal, and by detection
Information sends to center processor, judges by center processor whether the optical signal frequency of uplink and downlink transceiving chip is normal.
Claims (5)
1. technical grade optical network unit it is characterised in that: include multiple onu units, each onu unit includes center processing respectively
Device, center processor is connected with serial communication module, ethernet switching module, and connects multigroup rs string by serial communication module
Mouthful, multigroup fe interface is connected by ethernet switching module, center processor be also associated with up smooth transceiving chip, descending light transmitting-receiving
Chip, connects pon interface respectively by uplink and downlink light transceiving chip, and each onu unit respectively further comprises spectrum analysis module, light
Power detection module, wherein luminous power detection module are connected with uplink and downlink light transceiving chip respectively, and luminous power detection module with
Center processor connects, and is detected the optical power signals of uplink and downlink light transceiving chip, spectrum analysis module by luminous power detection module
Access between uplink and downlink light transceiving chip and each self-corresponding pon interface, and spectrum analysis module be connected with center processor,
Optical signal frequency is detected by spectrum analysis module；In two adjacent onu units, the descending light transmitting-receiving of one of onu unit
It is connected by pon interface between chip and the up smooth transceiving chip of another onu unit, constitute topological structure of handing in hand.
2. technical grade optical network unit according to claim 1 it is characterised in that: in each onu unit, Ethernet exchanging
Module is also associated with console serial ports.
3. technical grade optical network unit according to claim 1 it is characterised in that: in each onu unit, center processor
It is also associated with memory module.
4. technical grade optical network unit according to claim 1 it is characterised in that: described luminous power detection module pass through light
Quick element detects the optical signal power of uplink and downlink transceiving chip transmitting terminal and receiving terminal respectively, and by the information of detection send to
Center processor, is judged by center processor whether the optical signal power of uplink and downlink transceiving chip is normal.
5. technical grade optical network unit according to claim 1 it is characterised in that: the detection of described spectrum analysis module is upper,
Descending transceiving chip transmitting terminal and the optical signal frequency of receiving terminal, and the information of detection is sent to center processor, by center
Processor judges whether the optical signal frequency of uplink and downlink transceiving chip is normal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610993950.8A CN106358095A (en) | 2016-11-11 | 2016-11-11 | Industrial grade optical network unit (ONU) |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610993950.8A CN106358095A (en) | 2016-11-11 | 2016-11-11 | Industrial grade optical network unit (ONU) |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106358095A true CN106358095A (en) | 2017-01-25 |
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ID=57862876
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610993950.8A Pending CN106358095A (en) | 2016-11-11 | 2016-11-11 | Industrial grade optical network unit (ONU) |
Country Status (1)
| Country | Link |
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| CN (1) | CN106358095A (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102946270A (en) * | 2011-09-27 | 2013-02-27 | 中华电信股份有限公司 | Optical frequency domain reflection type optical fiber network testing method |
| US20160359555A1 (en) * | 2013-08-07 | 2016-12-08 | Viavi Solutions Deutschland Gmbh | Testing a passive optical network |
-
2016
- 2016-11-11 CN CN201610993950.8A patent/CN106358095A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102946270A (en) * | 2011-09-27 | 2013-02-27 | 中华电信股份有限公司 | Optical frequency domain reflection type optical fiber network testing method |
| US20160359555A1 (en) * | 2013-08-07 | 2016-12-08 | Viavi Solutions Deutschland Gmbh | Testing a passive optical network |
Non-Patent Citations (1)
| Title |
|---|
| 南京恒达智航网络科技有限公司句容分公司: "工业级光网络单元（ONU ）--HD-IEP1208-4S-V-Bnjhdak.cn/product/view/gong-ye-ji-guang-wang-luo-dan-yuan-onu-hd-iep1208-4s-v-b", 《南京恒达集团》 * |
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Application publication date: 20170125 |
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