CN2606495Y - Optical fibre transceiver with internal netting tube - Google Patents
Optical fibre transceiver with internal netting tube Download PDFInfo
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- CN2606495Y CN2606495Y CNU032231636U CN03223163U CN2606495Y CN 2606495 Y CN2606495 Y CN 2606495Y CN U032231636 U CNU032231636 U CN U032231636U CN 03223163 U CN03223163 U CN 03223163U CN 2606495 Y CN2606495 Y CN 2606495Y
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- optical transceiver
- network management
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Abstract
The utility model relates to the optical fiber communication field, in particular to an optical fiber transceiver with internal netting tube which aims at solving the defect that the prior art is incapable of monitoring the remote independent optical fiber transceiver. The utility model comprises an optical fiber transceiver module, a transponder chip (group), a cable joint and a photoelectric conversion unit formed by an isolating transformer group; a state monitor module which is used for monitoring the working state of the photoelectric conversion unit and controlling the working state of the photoelectric conversion unit according to the requirement of a network management unit, and an information transceiver module with internal netting tube which is connected between the transponder chip and the optical fiber transceiver module and connected with the state monitor module and used for accomplishing the management information transmission and receiving. The optical fiber transceiver with internal netting tub can be directly used as an independent optical fiber transceiver, but when the optical fiber transceiver with internal netting tub is used as a frame optical fiber transceiver, a bus interface module is required. The network management unit in the utility model not only can manage the optical fiber transceiver in the frame, but also can manage the independent optical fiber transceiver which is connected with the network management unit.
Description
Technical field
The utility model relates to fiber optic communication field, more particularly, relates to a kind of inband network management fiber optical transceiver.
Background technology
Fiber optical transceiver is a kind of equipment that the signal of telecommunication and light signal are changed mutually, is widely used in ethernet network.Fiber optical transceiver is divided according to transmission rate can be divided into 10M fiber optical transceiver, 100M fiber optical transceiver, 10/100M adaptive optic fiber transceiver, 1G fiber optical transceiver etc.; Can be divided into ordinary optic fibre transceiver and webmaster fiber optical transceiver according to the management type division.10M, 100M, the adaptive ordinary optic fibre transceiver of 10/100M are extensive use of on market at present, and fiber optical transceiver producer has the ability of exploitation, design, production mostly both at home and abroad.
The application of ordinary optic fibre transceiver in ethernet network as shown in Figure 1, little cuboid wherein is an ordinary optic fibre transceiver 1, connect by optical fiber 2 between adjacent two fiber optical transceivers 1, and be connected by UTP cable 3 between fiber optical transceiver 1 and its affiliated backbone layer, convergence layer or access layer equipment.
The inside theory diagram of ordinary optic fibre transceiver as shown in Figure 2, its principle is fairly simple, it mainly is the conversion that utilizes special-purpose transponder chip or chipset 12 to finish light/signal of telecommunication, wherein also comprise the integrated module of optical transceiver 11, isolating transformer 13 and RJ45 joint 14, do not comprise monitoring and control circuit, do not possess management function; Transmission is the two-way services data messages in its UTP cable 3 and the optical fiber 2, shown in the chain-dotted line among the figure, does not wherein transmit fiber optical transceiver self working state (being management information).Network management center can't be managed concentratedly this ordinary optic fibre transceiver by network, is unfavorable for fault location and malfunction elimination, network maintainable relatively poor.
For the manageability and the maintainability that improve fiber optical transceiver, part producer begins to release the webmaster fiber optical transceiver.In backbone layer and convergence-level, because fiber optical transceiver concentrates in the machine room basically, more in the fiber optical transceiver quantity in same place, the therefore general rack fiber optical transceiver 4 that uses helps centralized management.And at Access Layer, fiber optical transceiver relatively disperses, and generally uses free-standing fiber optical transceiver 5, and the network topology of this moment as shown in Figure 3.
Because free-standing fiber optical transceiver 5 too disperses, realize that separately the network management function cost is too high, and it is more for the resource occupation of network, so Network Management Function generally realizes in rack fiber optical transceiver 4 sides of concentrating relatively, promptly utilize unified network management unit that the rack fiber optical transceiver 4 that reaches tens of is managed.
The frame of rack fiber optical transceiver 4 is provided with network management unit, and use therein fiber optical transceiver is the webmaster fiber optical transceiver, and its theory diagram as shown in Figure 4.Compare with the ordinary optic fibre transceiver, the webmaster fiber optical transceiver also has the integrated module of optical transceiver 41, transponder chip (group) 42, isolating transformer 43 and RJ45 joint 44, but it has also increased monitoring module 45 and bus interface module 46 on the basis of ordinary optic fibre transceiver.
These two module functions are: monitoring module 45 is used to finish the monitoring to the fiber optical transceiver operating state, and controls the fiber optical transceiver operating state according to the requirement of network management unit; Bus interface module 46 is used for reporting the fiber optical transceiver state to network management unit, and receives the control information from network management unit.Transmission is the two-way services data messages in the UTP cable 3 of rack webmaster fiber optical transceiver and the optical fiber 2, shown in the chain-dotted line among 4 figure; And in the bus interface module 46, monitoring module 45 transmission be management data information, shown in the dotted line among Fig. 4.Network management center can be connected to network management unit by network, and fiber optical transceiver is managed concentratedly, has improved the maintainability of network.
For above-mentioned rack fiber optical transceiver, though can realize centralized management by network management unit, service data information wherein and management information are used independently passage fully, as shown in Figure 4, belong to the outband management mode.As can be seen from Figure 3, rack fiber optical transceiver 4 with have only a bidirectional optical fiber link being connected of free-standing fiber optical transceiver 5, an and optical fiber link transmit traffic data information does not transmit the management information of free-standing fiber optical transceiver.Therefore, the state of far-end stand alone type fiber optical transceiver 5 can't be reported the network management unit of rack fiber optical transceiver 4, and network management unit also can't be controlled far-end stand alone type fiber optical transceiver, promptly can't manage free-standing fiber optical transceiver.
Certainly,, can add network management unit therein for free-standing fiber optical transceiver is managed, by network management unit to the network management center report condition, accept control.But because free-standing fiber optical transceiver quantity is more, the geographical position disperses, and increases network management unit and can increase a large amount of hardware costs, can take a large amount of Internet resources simultaneously, as IP address, network management interface etc., therefore seldom uses in real network.
The utility model content
The utility model will solve in the prior art network management center and can only monitor the rack fiber optical transceiver, and the problem that can't monitor far-end stand alone type fiber optical transceiver, make the network management unit in the frame can not only manage the interior fiber optical transceiver of this frame, also can manage simultaneously and be attached thereto the free-standing fiber optical transceiver that connects, thereby guarantee the reliability service of network and good maintainability.
The technical scheme that its technical problem that solves the utility model adopts is: construct a kind of inband network management fiber optical transceiver, comprising photoelectric conversion unit, described photoelectric conversion unit is made up of the integrated module of optical transceiver that is used for being connected with optical fiber, the transponder chip (group) that is used to realize light/electrical signal conversion, the isolating transformer that is used between the cable connector that is connected with cable and electrical interface that is connected described transponder chip and the described cable connector; It is characterized in that, described fiber optical transceiver also comprises and is used for the operating state of described photoelectric conversion unit is monitored and controlled the monitoring module of the operating state of described photoelectric conversion unit according to the requirement of network management unit, and the in-band management signal dispatcher module that is connected, is used to finish the reception and the transmission of management information between the optical interface that is connected described transponder chip and the integrated module of optical transceiver and with described monitoring module.
Above-mentioned fiber optical transceiver can directly be used as free-standing fiber optical transceiver, the rack fiber optical transceiver that is complementary with it then also needs to increase on this basis the bus interface module that one one end is connected with described monitoring module, the other end can be connected to the network management unit in the frame, described bus interface module can to network management unit report described photoelectric conversion unit operating state, and receive control information from network management unit.
The utility model adopts the technology of inband network management, makes optical fiber link in transmit traffic data information, also can transmit the management information of free-standing fiber optical transceiver, promptly by the rack fiber optical transceiver free-standing fiber optical transceiver is monitored.Network management unit in the frame can not only be managed the fiber optical transceiver in this frame, also can manage simultaneously and be attached thereto the free-standing fiber optical transceiver that connects.Thus, free-standing fiber optical transceiver no longer needs to increase extra network management unit, has both reached manageable purpose, has saved hardware cost again, has saved Internet resources such as IP address, network management interface.Can guarantee the reliability service of network and good maintainability.
Description of drawings
The utility model is described in further detail below in conjunction with drawings and Examples, in the accompanying drawing:
Fig. 1 is the existing application schematic diagram of ordinary optic fibre transceiver in ethernet network;
Fig. 2 is the inside theory diagram of existing ordinary optic fibre transceiver shown in Fig. 1;
Fig. 3 is the existing application schematic diagram of rack fiber optical transceiver in ethernet network;
Fig. 4 is the theory diagram that is applied to the webmaster fiber optical transceiver among Fig. 3;
Fig. 5 is the theory diagram of the utility model mid frame formula inband network management fiber optical transceiver;
Fig. 6 is the theory diagram of independent inband network management fiber optical transceiver in the utility model;
Fig. 7, be the circuit diagram of inband network management fiber optical transceiver in preferred embodiment of the utility model.
Embodiment
One, rack inband network management fiber optical transceiver
In order to realize inband network management, must in optical fiber link, add management information, to realize transmission, therefore, must in fiber optical transceiver, increase necessary circuit to management information.The principle of rack inband network management fiber optical transceiver as shown in Figure 5.Wherein mainly comprise photoelectric conversion unit, bus interface module, monitoring module, in-band management signal dispatcher module four parts.The function of each several part is as follows:
(1), photoelectric conversion unit: four parts by existing ordinary optic fibre transceiver are formed, just form, be used to finish the mutual conversion and the transmitting-receiving of the light signal and the signal of telecommunication by the integrated module of optical transceiver 41, transponder chip 42, isolating transformer 43 and RJ45 joint 44.
(2), monitoring module 45: the operating state that is used for the operating state of above-mentioned photoelectric conversion unit is monitored and controlled according to the requirement of network management unit above-mentioned photoelectric conversion unit.
(3), bus interface module 46: the one end is connected with monitoring module 45, the other end can be connected to the network management unit in the frame, to network management unit report above-mentioned photoelectric conversion unit operating state, and receive control information from network management unit;
(4), the in-band management signal dispatcher module 47: between the optical interface that is connected transponder chip 42 and the integrated module of optical transceiver 41 and be connected, be used to finish the reception and the transmission of management information with monitoring module 45.It can receive from the control information of network management unit to far-end stand alone type fiber optical transceiver 5, and control information is inserted in the optical fiber link, sends to free-standing fiber optical transceiver, i.e. the transmission of management information; But and the information in the detection fiber link, extract the state report information of far-end stand alone type fiber optical transceiver, promptly finish the reception of management information, and the state information of free-standing fiber optical transceiver is sent to network management unit by bus interface module 46, so that network management center manages concentratedly.
Two, free-standing inband network management fiber optical transceiver
Its principle wherein mainly comprises photoelectric conversion unit, monitoring module, in-band management signal dispatcher module three parts as shown in Figure 6.The function of each several part is as follows:
(1), photoelectric conversion unit: four parts by existing ordinary optic fibre transceiver are formed, just form, be used to finish the mutual conversion and the transmitting-receiving of the light signal and the signal of telecommunication by the integrated module of optical transceiver 51, transponder chip 52, isolating transformer 53 and RJ45 joint 54.
(2), monitoring module 55: the operating state that is used for the operating state of above-mentioned photoelectric conversion unit is monitored and controlled according to the requirement of network management unit above-mentioned photoelectric conversion unit.
(3), the in-band management signal dispatcher module 57: between the optical interface that is connected transponder chip 52 and the integrated module of optical transceiver 51 and be connected, be used to finish the reception and the transmission of management information with monitoring module 55.But the state information that its accepting state monitoring modular 55 is detected is inserted into state information in the optical fiber link, sends to the rack fiber optical transceiver, promptly finishes the transmission of management information; Also but the information in the detection fiber link extracts the control information that network management unit sends, and promptly finishes the reception of management information, and control information is sent to monitoring module 55.
Three, the embodiment of in-band management signal dispatcher module
As seen, compare with existing webmaster fiber optical transceiver, rack of the present utility model and free-standing inband network management fiber optical transceiver are to increase in-band management signal dispatcher module 47 or 57 on the basis of existing webmaster fiber optical transceiver, as shown in Figure 5 and Figure 6.At this moment, the optical fiber link of fiber optical transceiver is transmit traffic data information not only, transmits the management information of fiber optical transceiver simultaneously, and service data information is used identical passage with management information, belongs to the in-band management mode.Therefore, the state of far-end stand alone type fiber optical transceiver 5 can be reported the network management unit of rack fiber optical transceiver 4, and network management unit also can be controlled far-end stand alone type fiber optical transceiver 5, promptly finishes the management to free-standing fiber optical transceiver.
At present, can realize the inband network management technology by following several schemes:
(1), the in-band management signal dispatcher module adopts FPGA (field programmable gate array), CPLD (CPLD) or ASIC (application-specific integrated circuit (ASIC)) to realize, processing speed is very fast, be left intact for the service data information in the optical fiber link, in conveyer belt not during management information, the optical fiber link of fiber optical transceiver is transmit traffic data information interruptedly not; When needs transmit inband network management information, then interrupt the transmission of business datum in the optical fiber link, adopt high speed baseband modulation technology, inband network management information directly is modulated in the optical fiber link, thereby realizes intercommunication mutually, realize inband network management.
(2), the in-band management signal dispatcher module adopts FPGA, CPLD or ASIC to realize, processing speed is very fast, can do corresponding processing for the service data information in the optical fiber link, in conveyer belt not during management information, the optical fiber link of fiber optical transceiver is transmit traffic data information interruptedly not; When needs transmit inband network management information, then utilize the high speed processing ability of FPGA, CPLD or ASIC, the inband network management information package is become service data information form in the optical fiber link, and with in the inband network management information insertion service data information stream, the tempus intercalare that transmits in service data information transmits network management information as far as possible, thereby realize intercommunication mutually, realize inband network management.
Four, preferred embodiment
Be illustrated in figure 7 as a preferred embodiment of the present utility model, this is a far-end stand alone type inband network management fiber optical transceiver, and in-band management signal dispatcher module has wherein adopted (2) above-mentioned kind scheme, as can be seen from the figure as lower module:
(1), the T1 among Fig. 7 is an isolating transformer.
(2), the P1 among Fig. 7 is the RJ45 joint.
(3), the IC1 among Fig. 7 is electricity mouthful physical chip, an electricity mouthful signal of finishing RJ45 transfers the MII signal to; IC2 is FPGA, finishes the forwarding and the in-band communications of packet; IC3 is a light mouth physical chip, and finishing the MII conversion of signals is light mouth signal.
(4), the IC5 among Fig. 7 is the integrated module of optical transceiver.
(5), IC2 among Fig. 7 and the IC3 among Fig. 7 form the in-band management signal dispatcher module.Wherein IC3 is the physical chip of light mouth, is used for drive IC 5, and light signal is sent on the optical fiber link; IC2 is FPGA, is used to connect IC1 and IC3, has stronger disposal ability, can completion status monitoring and controlled function.When carrying out data service communication, IC2 to IC3, sends to optical fiber link to the signal forwarding of sending here from IC1 by IC5 then.When needing to send management information, the management information that IC2 monitors (monitoring module) is packaged into the service data information form in the optical fiber link, is inserted in the business data flow, is forwarded to IC3, send to optical fiber link by IC5 then, thereby finish the transmission of in-band management information.The light signal that comes from optical fiber link is forwarded to IC2 by IC5 and IC3, and IC2 analyzes the data that receive: if service data information is forwarded to IC1, by IC1, T1 and P1 the signal of telecommunication is sent on the UTP cable; If management information, this information no longer is forwarded to IC1, and IC2 (monitoring module) will operation such as control to transceiver according to this information, promptly finish the reception of in-band management information.
(6), the monitoring module function is finished by IC2.
Claims (3)
1, a kind of fiber optical transceiver, comprising photoelectric conversion unit, described photoelectric conversion unit is made up of the integrated module of optical transceiver that is used for being connected with optical fiber, the transponder chip that is used to realize light/electrical signal conversion, the isolating transformer that is used between the cable connector that is connected with cable and electrical interface that is connected described transponder chip and the described cable connector; It is characterized in that, described fiber optical transceiver also comprises and is used for the operating state of described photoelectric conversion unit is monitored and controlled the monitoring module of the operating state of described photoelectric conversion unit according to the requirement of network management unit, and the in-band management signal dispatcher module that is connected, is used to finish the reception and the transmission of management information between the optical interface that is connected described transponder chip and the integrated module of optical transceiver and with described monitoring module.
2, fiber optical transceiver according to claim 1, it is characterized in that, this fiber optical transceiver is the rack fiber optical transceiver, the bus interface module that comprise also that one one end is connected with described monitoring module, the other end can be connected to the network management unit in the frame, described bus interface module can to network management unit report described photoelectric conversion unit operating state, and receive control information from network management unit.
3, fiber optical transceiver according to claim 1 is characterized in that, described cable connector is the RJ45 joint.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU032231636U CN2606495Y (en) | 2003-01-16 | 2003-01-16 | Optical fibre transceiver with internal netting tube |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU032231636U CN2606495Y (en) | 2003-01-16 | 2003-01-16 | Optical fibre transceiver with internal netting tube |
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| Publication Number | Publication Date |
|---|---|
| CN2606495Y true CN2606495Y (en) | 2004-03-10 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU032231636U Expired - Lifetime CN2606495Y (en) | 2003-01-16 | 2003-01-16 | Optical fibre transceiver with internal netting tube |
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| Country | Link |
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| CN (1) | CN2606495Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101106426B (en) * | 2006-07-11 | 2012-05-30 | 上海科泰信息技术有限公司 | Optical fiber access system for multi-service optical fiber transceiver |
| WO2016086700A1 (en) * | 2014-12-05 | 2016-06-09 | 中兴通讯股份有限公司 | Rack and communication method |
-
2003
- 2003-01-16 CN CNU032231636U patent/CN2606495Y/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101106426B (en) * | 2006-07-11 | 2012-05-30 | 上海科泰信息技术有限公司 | Optical fiber access system for multi-service optical fiber transceiver |
| WO2016086700A1 (en) * | 2014-12-05 | 2016-06-09 | 中兴通讯股份有限公司 | Rack and communication method |
| CN105721956A (en) * | 2014-12-05 | 2016-06-29 | 中兴通讯股份有限公司 | Frame and communication method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: SHENZHEN NEO PHOTONIC TECHNOLOGY CO., LTD. Free format text: FORMER OWNER: SHENZHEN PHOTON BROADBAND TECHNOLOGY CO., LTD. Effective date: 20120221 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| C56 | Change in the name or address of the patentee |
Owner name: SHENZHEN PHOTON BROADBAND TECHNOLOGY CO., LTD. Free format text: FORMER NAME: FEIBEN NETWORK TECHNOLOGICAL CO., LTD., SHENZHEN CITY |
|
| CP03 | Change of name, title or address |
Address after: 518057 Guangdong city of Shenzhen province Nanshan District high tech Industrial Park in the Southern District of science and technology twelve South Road No. eight Frestech photoelectric building Patentee after: SHENZHEN PHOTON BROADBAND TECHNOLOGY Co.,Ltd. Address before: 518057, Guangdong Shenzhen hi tech Industrial Park, Nanshan District District South Science and technology south road fly photoelectric building Patentee before: Feiben Network Technological Co.,Ltd. Shenzhen City |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20120221 Address after: 518057 Guangdong city of Shenzhen province Nanshan District high tech Industrial Park in the Southern District of science and technology twelve South Road No. eight Frestech photoelectric building Patentee after: NEOPHOTONICS Corp. Address before: 518057 Guangdong city of Shenzhen province Nanshan District high tech Industrial Park in the Southern District of science and technology twelve South Road No. eight Frestech photoelectric building Patentee before: SHENZHEN PHOTON BROADBAND TECHNOLOGY Co.,Ltd. |
|
| C17 | Cessation of patent right | ||
| CX01 | Expiry of patent term |
Expiration termination date: 20130116 Granted publication date: 20040310 |