CN2660795Y - Optical fiber Ethernet exchanger and monitor modular for same - Google Patents
Optical fiber Ethernet exchanger and monitor modular for same Download PDFInfo
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- CN2660795Y CN2660795Y CNU2003201152992U CN200320115299U CN2660795Y CN 2660795 Y CN2660795 Y CN 2660795Y CN U2003201152992 U CNU2003201152992 U CN U2003201152992U CN 200320115299 U CN200320115299 U CN 200320115299U CN 2660795 Y CN2660795 Y CN 2660795Y
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Abstract
The utility model discloses a fiber-optic Ethernet switch and a monitoring module used for fiber-optic Ethernet switch. The switch includes an Ethernet switching module, a physical layer module, a fiber-optic transceiver module and a monitoring module; the utility model adapts an independent monitoring module to monitor the working condition of the fiber-optic transceiver module and the physical layer module in real time, and the system can readily access to mapping of various conditions in optical link and the physical layer module in the monitoring module without limitation of access speed of serial management communication interface between the Ethernet exchanging module and the physical layer module, greatly shortening access time, improving real-time monitoring and improving efficiency of the central processor in the system; in addition, the switch adapts the single-fiber single-wavelength two-way fiber-optic transceiver module and the physical layer module without signal detection function, and the monitoring module can be achieved by adapting programmable gate array or single chip microcomputer according to demand; by adopting the three devices with low cost, the utility model greatly reduces the cost.
Description
[technical field]:
The utility model relates to a kind of fiber optic Ethernet switch and is used for the monitoring module of fiber optic Ethernet switch.
[background technology]:
At present, in the fiber optic Ethernet switch of existing band fiber port, for monitoring the operating state of optical transceiver module at any time, physical layer (PHY) chip that extensive employing has input (SDET) function is realized detection and the control to the optical transceiver module operating state, thereby realizes the detection and the control of fiber port and its optical link operating state.These chips must adopt complicated encapsulation, its cost is generally than the high 2-3 U.S. dollar of the physical chip that does not have signal testing function, and switch in central processing unit (CPU) have only by the serial supervisory communications interface (MDIO/MDC) between medium access key-course and Ethernet switching chip (MAC) and the physical chip, the state to physical layer and fiber port detects and controls indirectly.This serial communication pattern, data transmission bauds is slow, has wasted a large amount of cpu resources.And in the prior art, do not have the physical chip of input (SDET) function if adopt, though can reduce system cost, can't realize the fiber port of optical fiber transceiver module and the Detection ﹠ Controling of optical link operating state.
[summary of the invention]:
The purpose of this utility model is exactly in order to overcome the above problems, provide a kind of and can save cpu resource, improve the real-time of fiber port Working Status Monitoring, can reduce the fiber optic Ethernet switch and the monitoring module that is used for the fiber optic Ethernet switch of system cost again.
The utility model realizes that the scheme of above-mentioned purpose is: a kind of fiber optic Ethernet switch comprises ethernet switching module, physical layer block, optical fiber transceiver module; Ethernet switching module is connected with physical layer block, and physical layer block is connected with the optical fiber transceiver module; Also comprise monitoring module, be connected between the serial communication interface of described ethernet switching module and physical layer block that its input port is connected with the optical link detection signal port of described optical fiber transceiver module; Be used for monitoring in real time fiber port and optical link operating state, constantly refresh the operating state of physical layer block inside and optical link, monitor the access instruction of ethernet switching module simultaneously, and, directly make relevant response according to access instruction to physical layer block.
Above-mentioned monitoring module also comprises the control signal output ends mouth, sends with the optical fiber of optical fiber transceiver module to allow the control input end mouth to be connected, and is used to control the signal transmission of optical fiber transceiver module; Above-mentioned Ethernet switch also comprises central processing unit, is connected by parallel bus with described ethernet switching module; Monitoring module also comprises parallel bus interface, is connected by parallel bus with central processing unit, supports inquiry simultaneously and interrupts two kinds of access modules.
Above-mentioned optical fiber transceiver module adopts single fiber list wavelength bidirectional transmit-receive module; Physical layer block adopts the not physical chip of band signal measuring ability; Monitoring module is to adopt programmable logic device or programmable gate array.
A kind of monitoring module that is used for the fiber optic Ethernet switch of the present utility model comprises that serial supervisory communications interface signal switching logical circuit, physical chip internal register addresses decoder, optical fiber receiving state signal insert logical circuit, optical fiber receiving state signal register; Serial supervisory communications interface signal switching logical circuit is used for the ethernet switching module of fiber optic Ethernet switch and the serial communication between the physical layer block are transferred; The input of physical chip internal register addresses decoder is connected with serial supervisory communications interface signal switching logical circuit address information output, obtain physical chip internal register addresses information, its output is connected with the first input end that described optical fiber receiving state signal inserts logical circuit; Second input that the optical fiber receiving state signal inserts logical circuit is connected with the output of described optical fiber receiving state signal register, and its output is connected with the input of described serial supervisory communications interface signal switching logical circuit; The input of optical fiber receiving state signal register is connected with the optical fiber transceiver module optical fiber received signal detection port of fiber optic Ethernet switch, is used to latch external optical fiber receiving state signal.
The above-mentioned monitoring module that is used for the fiber optic Ethernet switch comprises that also CPU parallel bus interface logical circuit and optical fiber send the permission control register; CPU parallel bus interface logical circuit is connected by the central processing unit of parallel bus with the fiber optic Ethernet switch, and its control logic is connected with serial supervisory communications interface signal switching logical circuit; Optical fiber sends the signal output part that allows control register and allows control port to be connected with the transmission of fiber optic Ethernet switch optical fiber transceiver module, is used to remember and transmits optical fiber send the output state that allows control signal; Monitoring module adopts programmable logic device or programmable gate array.
Adopt the beneficial effect of above scheme to be: owing to adopt an independently monitoring module, operating state to optical fiber transceiver module and physical layer block is monitored in real time, system can have access to the virtual image of the various status registers of optical link and physical chip in monitoring module inside at any time, do not need to be subjected to the restriction of the access speed of serial supervisory communications interface between ethernet switching module and the physical layer block, shortened the access time greatly, improved real-time to Working Status Monitoring, improve the efficient of the central processing unit in the system, reduced the complexity of central processing unit working procedure.
In addition, the optical fiber transceiver module can adopt single fiber list wavelength bidirectional transmit-receive module, and physical layer block adopts the not physical chip of band signal measuring ability, and both costs all device cost than available technology adopting are low.
The fiber optic Ethernet switch can be according to the situation of user's performance requirement and selected components and parts, increase or the deletion partial logic function that whole monitoring module or its provided wherein, monitoring module can adopt cheaply programmable gate array or single-chip microcomputer to realize as required, its cost is generally all less than 2 U.S. dollars, switch for 24 port band network management functions, by such method, can adopt three physical chips that do not have input (SDET) function, every Ethernet switch can be saved the above device cost of 4 U.S. dollars; By adopting above three kinds of devices that cost is all lower, greatly reduce cost thus.
[description of drawings]:
Fig. 1 is the theory diagram of the utility model fiber optic Ethernet switch embodiment one;
Fig. 2 is the theory diagram of the utility model fiber optic Ethernet switch fiber optic Ethernet switch embodiment two;
Fig. 3 is the circuit connection diagram of the utility model fiber optic Ethernet switch embodiment one;
Fig. 4 is the circuit connection diagram of the utility model fiber optic Ethernet switch embodiment two;
Fig. 5 is the programmable gate array schematic block circuit diagram that monitoring module embodiment of the present utility model is adopted.
[embodiment]:
Also in conjunction with the accompanying drawings the utility model is described in further detail below by specific embodiment.
Be the theory diagram of fiber optic Ethernet switch embodiment one of the present utility model as shown in Figure 1, it is the most basic formation of the utility model, the fiber optic Ethernet switch comprises ethernet switching module, physical layer block, optical fiber transceiver module, monitoring module, monitoring module is connected between the serial communication interface of ethernet switching module and physical layer block, and its input port is connected with the optical link detection signal port of optical fiber transceiver module; Detection fiber port and optical link operating state constantly refresh the inner and optical link operating state of physical layer block in real time, monitor the access instruction of ethernet switching module to physical layer block simultaneously, and according to access instruction, directly make relevant response.
The theory diagram of the fiber optic Ethernet switch embodiment two that the utility model proposes as shown in Figure 2: the monitoring module that Ethernet switch adopts programmable gate array (FPGA/CPLD) cheaply or single-chip microcomputer (MCU) to constitute is inserted between the serial supervisory communications interface of medium access key-course chip and physical chip, the data forwarding bridge of medium access key-course chip controls/detection physical chip is provided, and, keep all physical layer chip internals and the up-to-date state of optical link simultaneously directly by the optical link detection signal of input and output (I/O) port detection optical transceiver.Monitoring module is responsible for monitoring the access instruction of medium access key-course chip to physical chip, in case find that its corresponding operation is inquiry fiber port and its optical link operating state, monitoring module will respond according to state at that time.And for other all operations, monitoring module will only provide the data forwarding function, data not made any modification, directly be responded by physical chip.In addition, this monitoring module also is connected with central processing unit by parallel bus, and the bridge of central processing unit fast access and control physical chip, fiber port and its optical link operating state is provided.
Monitoring module embodiment of the present utility model as shown in Figure 5, programmable gate array (XC95144XL-10TQ144C) by Xilinx company constitutes, and comprises that serial supervisory communications interface signal switching logical circuit, physical chip internal register addresses decoder, optical fiber receiving state signal insert logical circuit, optical fiber receiving state signal register, CPU parallel bus interface logical circuit and optical fiber and send the permission control register;
Serial supervisory communications interface signal switching logical circuit is used for the ethernet switching module of fiber optic Ethernet switch and the serial communication between the physical layer block are transferred; The input of physical chip internal register addresses decoder is connected with serial supervisory communications interface signal switching logical circuit address information output, obtain physical chip internal register addresses information, its output is connected with the first input end that the optical fiber receiving state signal inserts logical circuit; Second input that the optical fiber receiving state signal inserts logical circuit is connected with the output of optical fiber receiving state signal register, and its output is connected with the input of described serial supervisory communications interface signal switching logical circuit; The input of optical fiber receiving state signal register is connected with the optical fiber transceiver module optical fiber received signal detection port of fiber optic Ethernet switch, and built-in optical fiber receiving state signal register is used to latch external optical fiber receiving state signal.CPU parallel bus interface logical circuit is connected by the central processing unit of parallel bus with the fiber optic Ethernet switch, and its control logic is connected with serial supervisory communications interface signal switching logical circuit; Optical fiber sends the signal output part that allows control register and allows control port to be connected with the transmission of fiber optic Ethernet switch optical fiber transceiver module, built-in optical fiber sends and allows control register, be used to remember and transmit the output state that optical fiber sends the permission control signal.
Fiber optic Ethernet switch embodiment one of the present utility model: but be the switch of band webmaster of flexible configuration of totally 26 ports of 24 10/100BaseTX/FX second line of a couplet ports and two gigabit first line of a couplet ports, and its circuit connection diagram is as shown in Figure 3; Adopted the ARM7 network processing unit interior central processing unit of machine in return.The physical layer interface chip has adopted three VT6108S that do not detect the VIA company of input with the status signal of optical link, every provides eight 10/100BaseTX/FX ports, medium access key-course and Ethernet switching chip have adopted the VT6526 of VIA company, and this chip provides 24 10/100BaseTX/FX second line of a couplet ports and two gigabit first line of a couplet ports.It is the PT8369-33-1-SC/APC of the two-way SFF standard packaging of single fiber list wavelength of 1310nm that the fiber optical transceiver of second line of a couplet port has been selected the wavelength of Photon photoelectricity company for use, this fiber optical transceiver provides the optical fiber received signal to detect output, supports optical fiber to send simultaneously and allows the control input.Detect the monitoring module that output and control input signals are directly connected to programmable gate array (XC95144XL-10TQ144C) formation of Xilinx company.The monitoring module that is made of programmable gate array directly is inserted between the serial supervisory communications interface of VT6526 Ethernet switching chip and physical chip VT6108S, as serial supervisory communications interface bridge between the two.Simultaneously, monitoring module also be responsible for to be collected each fiber port in the switch and optical link operating state thereof and is sent according to the needs output optical fibre of network management system and allows control signal, monitoring module also directly is connected with the ARM7 central processing unit by the parallel processor bus in addition, supports inquiry simultaneously and interrupts two kinds of access modules.Thisly adopt special-purpose monitoring module by the serial supervisory communications interface between itself and the physical chip, realization is to the state of the built-in read-write register of optical link and physical chip, as reflect the connection bit rate of link and automatically negotiation result etc. carry out cycle detection, guaranteed various status datas refreshing at the virtual image register of monitoring module inside, also pass through its inner virtual image register and output control state machine simultaneously as bridge, assist central processing unit that the high speed of physical chip and optical fiber transceiver module operating state is revised and controlled.
Fiber optic Ethernet switch embodiment two of the present utility model: this example is with the difference of embodiment one, this routine Ethernet switch is not with central processing unit, medium access key-course and Ethernet switching chip adopt the VT6526A of VIA company, do not support optical fiber to send and allow control.Its circuit connection diagram as shown in Figure 4.
Because central processing unit can have access to the virtual image of the various status registers of optical link and physical chip in monitoring module inside at any time by high speed parallel bus, do not need to be subjected to the restriction of the access speed of serial supervisory communications interface between medium access key-course and the physical chip, shortened the access time greatly, improve the efficient of central processing unit, reduced the complexity of central processing unit software.In addition, monitoring module can adopt cheaply programmable gate array or single-chip microcomputer to realize that its cost is generally all less than 2 U.S. dollars as required.For the switch of 24 port band network management functions, by such method, can adopt the status signal that does not possess optical link to detect the physical chip of input, can save the above device cost of 4 U.S. dollars for every.
Therefore, adopt the switch of the band network management function that the utility model proposes, not only reduced system cost, also improved the efficient and the flexibility of network management communication; Do not have the fiber optic Ethernet of central processing unit switch for the utility model proposes, will save the same device cost that is worth yet, and the switch of this type, its device cost is extremely important.
Claims (10)
1, a kind of fiber optic Ethernet switch comprises ethernet switching module, physical layer block, optical fiber transceiver module; Described ethernet switching module is connected with physical layer block, and physical layer block is connected with described optical fiber transceiver module; It is characterized in that: also comprise monitoring module, be connected between the serial communication interface of described ethernet switching module and physical layer block that its input port is connected with the optical link detection signal port of described optical fiber transceiver module; Be used for monitoring in real time fiber port and optical link operating state, constantly refresh the operating state of physical layer block inside and optical link, monitor the access instruction of ethernet switching module simultaneously, and, directly make relevant response according to access instruction to physical layer block.
2, fiber optic Ethernet switch as claimed in claim 1, it is characterized in that: described monitoring module also comprises the control signal output ends mouth, send permission control input end mouth with the optical fiber of described optical fiber transceiver module and be connected, be used to control the signal transmission of optical fiber transceiver module.
3, fiber optic Ethernet switch as claimed in claim 1 or 2, it is characterized in that: described Ethernet switch also comprises central processing unit, is connected by parallel bus with described ethernet switching module.
4. fiber optic Ethernet switch as claimed in claim 3 is characterized in that: described monitoring module also comprises parallel bus interface, is connected by parallel bus with described central processing unit, supports inquiry simultaneously and interrupts two kinds of access modules.
5, as claim 1 or 2 or 4 described fiber optic Ethernet switches, it is characterized in that: described optical fiber transceiver module is a single fiber list wavelength bidirectional transmit-receive module.
6, as claim 1 or 2 or 4 described fiber optic Ethernet switches, it is characterized in that: described physical layer block is the physical chip of band signal measuring ability not.
7, fiber optic Ethernet switch as claimed in claim 6 is characterized in that: described monitoring module is programmable logic device or programmable gate array.
8, a kind of monitoring module that is used for the fiber optic Ethernet switch is characterized in that: comprise that serial supervisory communications interface signal switching logical circuit, physical chip internal register addresses decoder, optical fiber receiving state signal insert logical circuit, optical fiber receiving state signal register; Described serial supervisory communications interface signal switching logical circuit is used for the ethernet switching module of fiber optic Ethernet switch and the serial communication between the physical layer block are transferred; The input of described physical chip internal register addresses decoder is connected with serial supervisory communications interface signal switching logical circuit address information output, obtain physical chip internal register addresses information, its output is connected with the first input end that described optical fiber receiving state signal inserts logical circuit; Second input that described optical fiber receiving state signal inserts logical circuit is connected with the output of described optical fiber receiving state signal register, and its output is connected with the input of described serial supervisory communications interface signal switching logical circuit; The input of described optical fiber receiving state signal register is connected with the optical fiber transceiver module optical fiber received signal detection port of fiber optic Ethernet switch, is used to latch external optical fiber receiving state signal.
9, the monitoring module that is used for the fiber optic Ethernet switch as claimed in claim 8 is characterized in that: comprise that also CPU parallel bus interface logical circuit and optical fiber send the permission control register; Described CPU parallel bus interface logical circuit is connected by the central processing unit of parallel bus with the fiber optic Ethernet switch, and its control logic is connected with described serial supervisory communications interface signal switching logical circuit; Described optical fiber sends the signal output part that allows control register and allows control port to be connected with the transmission of fiber optic Ethernet switch optical fiber transceiver module, is used to remember and transmits optical fiber send the output state that allows control signal.
10, the monitoring module that is used for the fiber optic Ethernet switch as claimed in claim 9 is characterized in that: described monitoring module is programmable logic device or programmable gate array.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2003201152992U CN2660795Y (en) | 2003-12-03 | 2003-12-03 | Optical fiber Ethernet exchanger and monitor modular for same |
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| Application Number | Priority Date | Filing Date | Title |
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| CNU2003201152992U CN2660795Y (en) | 2003-12-03 | 2003-12-03 | Optical fiber Ethernet exchanger and monitor modular for same |
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| CN2660795Y true CN2660795Y (en) | 2004-12-01 |
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| CNU2003201152992U Expired - Fee Related CN2660795Y (en) | 2003-12-03 | 2003-12-03 | Optical fiber Ethernet exchanger and monitor modular for same |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100446481C (en) * | 2006-01-09 | 2008-12-24 | 华为技术有限公司 | Method and apparatus for detecting optical fiber link in router |
| CN101247412B (en) * | 2008-03-07 | 2010-12-08 | 中兴通讯股份有限公司 | Device and method for double-channel detecting state of physical layer/medium access control layer |
| CN102662365A (en) * | 2012-04-26 | 2012-09-12 | 中国人民解放军海军工程大学 | Method and system for monitoring state of ship power monitoring network |
| CN102117439B (en) * | 2010-01-06 | 2012-11-28 | 湖北省烟草公司襄樊市公司 | Enterprise data monitoring and early warning device |
| CN101795157B (en) * | 2009-02-04 | 2013-07-24 | 四零四科技股份有限公司 | Device capable of rapid returning when monitoring connection state of unit changes and method thereof |
| CN103428116A (en) * | 2012-05-25 | 2013-12-04 | 常州泰勒维克今创电子有限公司 | Gigabit Ethernet switch, control method thereof, and network system using the switch |
| CN101822019B (en) * | 2007-10-12 | 2013-12-11 | 富拓网络产品有限公司 | Optical data communications |
| CN103560931A (en) * | 2013-10-30 | 2014-02-05 | 中国航空工业集团公司第六三一研究所 | Monitoring scheme switching method based on FC switch |
| CN103944738A (en) * | 2014-04-14 | 2014-07-23 | 贵州电力试验研究院 | Interchanger supporting function extension |
| CN106021172A (en) * | 2016-05-31 | 2016-10-12 | 积成电子股份有限公司 | Data communication method and device |
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2003
- 2003-12-03 CN CNU2003201152992U patent/CN2660795Y/en not_active Expired - Fee Related
Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100446481C (en) * | 2006-01-09 | 2008-12-24 | 华为技术有限公司 | Method and apparatus for detecting optical fiber link in router |
| CN101822019B (en) * | 2007-10-12 | 2013-12-11 | 富拓网络产品有限公司 | Optical data communications |
| CN101247412B (en) * | 2008-03-07 | 2010-12-08 | 中兴通讯股份有限公司 | Device and method for double-channel detecting state of physical layer/medium access control layer |
| CN101795157B (en) * | 2009-02-04 | 2013-07-24 | 四零四科技股份有限公司 | Device capable of rapid returning when monitoring connection state of unit changes and method thereof |
| CN102117439B (en) * | 2010-01-06 | 2012-11-28 | 湖北省烟草公司襄樊市公司 | Enterprise data monitoring and early warning device |
| CN102662365A (en) * | 2012-04-26 | 2012-09-12 | 中国人民解放军海军工程大学 | Method and system for monitoring state of ship power monitoring network |
| CN102662365B (en) * | 2012-04-26 | 2014-04-02 | 中国人民解放军海军工程大学 | Method and system for monitoring state of ship power monitoring network |
| CN103428116A (en) * | 2012-05-25 | 2013-12-04 | 常州泰勒维克今创电子有限公司 | Gigabit Ethernet switch, control method thereof, and network system using the switch |
| CN103560931A (en) * | 2013-10-30 | 2014-02-05 | 中国航空工业集团公司第六三一研究所 | Monitoring scheme switching method based on FC switch |
| CN103560931B (en) * | 2013-10-30 | 2017-01-04 | 中国航空工业集团公司第六三一研究所 | Monitoring scheme changing method based on FC switch |
| CN103944738A (en) * | 2014-04-14 | 2014-07-23 | 贵州电力试验研究院 | Interchanger supporting function extension |
| CN103944738B (en) * | 2014-04-14 | 2017-09-22 | 贵州电力试验研究院 | A kind of interchanger for supporting Function Extension |
| CN106021172A (en) * | 2016-05-31 | 2016-10-12 | 积成电子股份有限公司 | Data communication method and device |
| CN106021172B (en) * | 2016-05-31 | 2019-06-14 | 积成电子股份有限公司 | A kind of method and device of data communication |
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Granted publication date: 20041201 Termination date: 20100104 |