CN104363046A - Intelligent bypass device and work method thereof - Google Patents
Intelligent bypass device and work method thereof Download PDFInfo
- Publication number
- CN104363046A CN104363046A CN201410648282.6A CN201410648282A CN104363046A CN 104363046 A CN104363046 A CN 104363046A CN 201410648282 A CN201410648282 A CN 201410648282A CN 104363046 A CN104363046 A CN 104363046A
- Authority
- CN
- China
- Prior art keywords
- module
- phy chip
- control module
- chip
- watchdog
- 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.)
- Pending
Links
Abstract
The invention provides an intelligent bypass device which comprises a data processing module, an optical switch, a watchdog module and a control module. The data processing module is connected with protected equipment. The optical switch is connected with the data processing module. The watchdog module is connected with the optical switch. The control module is connected with the data processing module and the watchdog module. According to the intelligent bypass device and a work method of the intelligent bypass device, detection signals can be sent actively, the work state of the protected equipment can be detected actively, when a hardware fault or a power fault or software locking happens to a node, the node is automatically skipped fast, the intelligent bypass device is switched into a bypass state for communication, the network self-healing aim is achieved, network availability is guaranteed, network stability is not influenced, and switching time is shortened.
Description
Technical field
The present invention relates to the bypass technology in optical network system, particularly relate to a kind of intelligent bypass apparatus and method of work thereof.
Background technology
China's broadband construction will be served as theme with network capabilities General Promotion, with accelerate metropolitan area network and backbone network optimization, further dispose jumbo DWDM (intensive multiplexed optical wave with) system for impetus, progressively carry out the flattening transformation of metropolitan area network first line of a couplet backbone network, increase the quantity of backbone network core node, promote broadband network safety assurance ability.And node is generally linked in two or more network, once there is network failure, will cause and impact greatly and loss.
Intelligence bypass apparatus is specially for the proterctive equipment of current dwdm system access node.When hardware fault, power failure, software deadlock appear in node, skip this node fast and automatically and be switched to bypass condition and communicate, form network self-healing, Logistics networks availability, does not affect the stability of network, makes network operation more handy.
Current existing bypass apparatus is generally maximum can only break down and reach the object switching to bypass condition by checkout equipment; but because existing bypass apparatus cannot provide support to current main-stream access technology; cause significant limitation and cannot to self providing reliable safety assurance; once bypass apparatus internal circuit breaks down, direct interrupt network cannot be protected node.When switching to bypass condition, time delay is long again, affects the normal use of the network user to a great extent.
Therefore, a kind of intelligent bypass apparatus newly of research and development is needed now on the market badly to overcome above-mentioned defect.
Summary of the invention
Main purpose of the present invention is to provide a kind of intelligent bypass apparatus, with solve bypass apparatus in prior art cannot the protected equipment working state of active detecting, self cannot provide safeguard protection and the long problem of handover delay to bypass apparatus system.
The present invention proposes a kind of intelligent bypass apparatus, comprising: data processing module, data processing module and protected equipment connection, for protected equipment transmission data; Optical switch, optical switch is connected with data processing module, the straight-through or bypass condition for handover network; Watchdog module, watchdog module is connected with optical switch, for driven optical switch; Control module, control module is connected with data processing module and watchdog module respectively, for data processing module and described watchdog module described in coordination, control and management.
In the intelligent bypass apparatus that the present invention proposes, described data processing module comprises: exchange chip, the first PHY chip, the second PHY chip, the 3rd PHY chip, the 4th PHY chip, the first optical module, the second optical module, the 3rd optical module and the 4th optical module;
Described exchange chip is connected with described control module, described first PHY chip, described second PHY chip, described 3rd PHY chip and described 4th PHY chip respectively, described first PHY chip, described second PHY chip, described 3rd PHY chip and described 4th PHY chip are used for XAUI interface (10 Gigabit Ethernet Attachment Unit Interface) signal of described exchange chip to be converted to 10G light signal, carry out transfer of data;
The management interface of described first PHY chip, described second PHY chip, described 3rd PHY chip and described 4th PHY chip is connected to described control module, is configured it by described control module;
Described first optical module respectively with described first PHY chip and described protected equipment connection; Described second optical module respectively with described second PHY chip and described protected equipment connection; Described 3rd optical module is connected with described 3rd PHY chip and described optical switch respectively; Described 4th optical module is connected with described 4th PHY chip and described optical switch respectively.Described optical module is used for receiving and sending 10G light signal.
In the intelligent bypass apparatus that the present invention proposes, comprise further: the 5th PHY chip, described 5th PHY chip is connected with described control module, and for RGMII (Gigabit Media stand-alone interface) signal of described control module is converted to network interface signal, available network interface manages; RJ45 interface, described RJ45 interface is connected with described 5th PHY chip, for connecting other equipment.
In the intelligent bypass apparatus that the present invention proposes, comprise further: the 6th PHY chip, described 6th PHY chip is connected with described data processing module and described control module respectively.
In the intelligent bypass apparatus that the present invention proposes, comprise further: RS232 interface, described RS232 interface is connected with described control module, for connecting computer, manages described control module.
In the intelligent bypass apparatus that the present invention proposes, comprise further: flash memory module, described flash memory module is connected with described control module.
In the intelligent bypass apparatus that the present invention proposes, comprise further: SDRAM module, described SDRAM module is connected with described control module.
The invention allows for a kind of method of work of intelligent bypass apparatus, comprise the following steps:
Step one: control module detects the operating state of protected equipment, data transmission module and watchdog module in real time;
Step 2: if described control module detects data transmission module or described protected device fails, then described control module sends distinctive signal to watchdog module; Otherwise described control module sends normal signal to described watchdog module;
Link switching is bypass condition by step 3: described watchdog module receives distinctive signal or time-out does not receive normal signal, then described watchdog module driven optical switch;
Link switching is pass-through state by step 4: if described watchdog module receives normal signal, then described watchdog module drives described optical switch.
In the method for work of the intelligent bypass apparatus that the present invention proposes, the fault that described data transmission module or described protected equipment occur comprises: the fault of hardware fault, power failure, software deadlock and intelligent bypass apparatus internal module.
In the intelligent bypass apparatus that the present invention proposes, heartbeat packet is sent by described control module, through described exchange chip, follow data stream transmitting to described protected equipment, when described protected equipment is working properly, heartbeat packet turns back to described control module by described exchange chip, and now network link is working properly; When described protected equipment operation irregularity, the heartbeat packet exception not receiving heartbeat packet in described control module certain hour or receive, described control module can automatically switch to bypass mode.
The intelligent bypass apparatus that the present invention proposes and method of work thereof; initiatively can send detection signal; the operating state of the protected equipment of active detecting; when there is hardware fault, power failure, software deadlock in node; this node can be skipped fast and automatically be switched to bypass condition and communicate, form network self-healing, Logistics networks availability; do not affect the stability of network, and shorten switching time.
Accompanying drawing explanation
Fig. 1 is the structural representation of the present invention's intelligence bypass apparatus.
Fig. 2 is the schematic flow sheet of the method for work of the present invention's intelligence bypass apparatus.
Fig. 3 is the operating diagram of the normal mode of intelligent bypass apparatus in the embodiment of the present invention.
Fig. 4 is the operating diagram of the Passive Mode of intelligent bypass apparatus in the embodiment of the present invention.
Embodiment
In conjunction with following specific embodiments and the drawings, the invention will be described in further detail.Implement process of the present invention, condition, experimental technique etc., except the following content mentioned specially, be universal knowledege and the common practise of this area, the present invention is not particularly limited content.
In Fig. 1,1-data processing module, 11-exchange chip, 12-first PHY chip; 13-second PHY chip, 14-the 3rd PHY chip, 15-the 4th PHY chip, 16-first optical module; 17-second optical module, 18-the 3rd optical module, 19-the 4th optical module, the protected equipment of 2-; 3-optical switch, 4-watchdog module, 5-control module; 61-the 5th PHY chip, 62-RJ45 interface, 7-the 6th PHY chip; 8-RS232 interface, 9-flash memory module, 10-SDRAM module.
As shown in Figure 1, the present invention proposes a kind of intelligent bypass apparatus, comprising: data processing module 1, optical switch 3, watchdog module 4 and control module 5.
Wherein, data processing module 1 is connected with protected equipment 2.Optical switch 3 is connected with data processing module 1.Watchdog module 4 is connected with optical switch 3.Control module 5 is connected with data processing module 1 and watchdog module 4 respectively.
In the intelligent bypass apparatus of kind that the present invention proposes, data processing module 1 comprises: exchange chip 11, first PHY chip 12, second PHY chip 13, the 3rd PHY chip 14, the 4th PHY chip 15, first optical module 16, second optical module 17, the 3rd optical module 18 and the 4th optical module 19.Exchange chip 11 is connected with control module 5.First PHY chip 12, second PHY chip 13, the 3rd PHY chip 14 are connected successively with the 4th PHY chip 15.First PHY chip 12, second PHY chip 13 is connected with exchange chip 11 respectively with the 3rd PHY chip 14.4th PHY chip 15 is connected with exchange chip 11 and control module 5 respectively.First optical module 16 is connected with the first PHY chip 12 and protected equipment 2 respectively.Second optical module 17 is connected with the second PHY chip 13 and protected equipment 2 respectively.3rd optical module 18 is connected with the 3rd PHY chip 14 and optical switch 3 respectively.4th optical module 19 is connected with the 4th PHY chip 15 and optical switch 3 respectively.
In the intelligent bypass apparatus of kind that the present invention proposes, comprise further: the 5th PHY chip 61 and RJ45 interface the 62, five PHY chip 61 are connected with control module 5, and RJ45 interface 62 is connected with the 5th PHY chip 61.
In the intelligent bypass apparatus of kind that the present invention proposes, comprise further: the 6th PHY chip the 7, six PHY chip 7 is connected with data processing module 1 and control module 5 respectively.
In the intelligent bypass apparatus of kind that the present invention proposes, comprise further: RS232 interface 8, RS232 interface 8 is connected with control module 5.
In the intelligent bypass apparatus of kind that the present invention proposes, comprise further: flash memory module 9, flash memory module 9 is connected with control module 5.
In the intelligent bypass apparatus of kind that the present invention proposes, comprise further: SDRAM module 10, SDRAM module 10 is connected with control module 5.
In the intelligent bypass apparatus of kind that the present invention proposes, the every three milliseconds of operating states detecting once protected equipment 2, data processing module 1 and watchdog module 4 of control module 5.
In the intelligent bypass apparatus of kind that the present invention proposes, control module 50 two milliseconds does not receive signal can by link switching to bypass condition.
As shown in Figure 2, the invention allows for a kind of method of work of intelligent bypass apparatus, comprise the following steps:
Step one: control module detects the operating state of protected equipment 2, data transmission module 1 and watchdog module 4 in real time;
Step 2: if control module 5 detects that data processing module 1 or protected equipment 2 break down, then control module 5 sends distinctive signal to watchdog module 4; Otherwise control module 5 sends normal signal to watchdog module 4;
Link switching is bypass condition by step 3: watchdog module 4 receives distinctive signal or time-out does not receive normal signal, then watchdog module 4 driven optical switch 3;
Link switching is pass-through state by step 4: if watchdog module 4 receives normal signal, then watchdog module 4 driven optical switch 3.
In the method for work of the intelligent bypass apparatus that the present invention proposes, the fault that data processing module 1 or protected equipment 2 occur comprises: the fault of hardware fault, power failure, software deadlock and intelligent bypass apparatus internal module.
Embodiment
The present embodiment is specifically described the present invention for a kind of intelligent bypass apparatus based on 10G transmission.
Fig. 1 is the structure chart of embodiment of the present invention intelligence bypass apparatus, and the intelligent bypass apparatus in the present embodiment comprises data processing module 1, optical switch 3, watchdog module 4 and control module 5.
Wherein, data processing module 1 one end connects optical switch 3, and one end link control module 5, one end connects protected equipment 2, plays the effect of transfer of data, Business Processing.Optical switch 3 interface is LC joint, and one end connects backbone network, and one end connects the 3rd optical module 18 and described 4th optical module 19.Power supply is controlled by watchdog module 4, plays the effect of handover network connection status.Control module 5 is connected with data processing module 1 and watchdog module 4 respectively, simultaneously external one piece of the 5th PHY chip 61, plays the effect of modules of coordination, control, management system inside.
In the present embodiment, data processing module 1 comprises four pieces of optical modules (XFP), is respectively the first optical module 16, second optical module 17, the 3rd optical module 18 and the 4th optical module 19.
In the present embodiment, data processing module 1 comprises four pieces of PHY chip, is respectively the first PHY chip 12, second PHY chip 13, the 3rd PHY chip 14, the 4th PHY chip 15, adopts the BCM8705 of Botong.
In the present embodiment, data processing module 1 comprises one piece of exchange chip 11, adopts the BCM56334 of Botong.
In the present embodiment, the first optical module 16 is connected the input and output port of protected equipment 2 with the second optical module 17, and the 3rd optical module 18 is connected optical switch 3 with the 4th optical module 19.First PHY chip 12, second PHY chip 13 is connected between the first optical module 16, second optical module 17 and exchange chip 11, and the 3rd PHY chip 14, the 4th PHY chip 15 are connected to the 3rd optical mode 18 pieces, between the 4th optical module 19 and exchange chip 11.The management interface MDIO (management data input and output) of the first PHY chip 12, second PHY chip 13, the 3rd PHY chip 14, the 4th PHY chip 15 is connected to control module 5.
The BCM8705 of the employing Botong adopted in the present embodiment and the BCM56334 chip of Botong, all support 10G transfer of data, by two kinds of chips with the use of, reduce equipment cost.
In the present embodiment, control module 5 adopts the MPC8308 of Freescale.Control module 5 self provides a RS232 interface 8, a RJ45 interface 62 is provided again by external 5th PHY chip 61,5th PHY chip 61 adopts the BCM5461 of Botong, control module 5 is also connected with watchdog module (WDT) 4, watchdog module 4 is also connected with optical switch 3, and control module 5 is by external watchdog module 4 Direct driver optical switch 3.
In the present embodiment, control module 5 is by PCIe interface configuration exchange chip 11; By MDC/MDIO interface, administration configuration is carried out to the first PHY chip 12, second PHY chip 13, the 3rd PHY chip 14, the 4th PHY chip 15, by the status register of XAUI interface configuration first PHY chip 12, second PHY chip 13 to exchange chip 11, the 3rd PHY chip 14, the 4th PHY chip 15, complete the administration configuration to the 5th PHY chip 61 by RGMII interface, and rely on the 5th PHY chip 61 to provide an outside RJ45 interface 62 for system; The configuration of RS232 interface 8 is carried out by UART port; By the configuration management watchdog module 4 to I/O port.
In the present embodiment, control module 5 is also connected with flash memory module 9 and SDRAM module 10, SDRAM module 10 is connected with control module 5, plays the effect storing data.
The operation principle of the intelligent bypass apparatus in the present embodiment is: control module 5 initiatively sends in advance and detects instruction to internal system modules (exchange chip 11, watchdog module 4); the threshold value (ms) returning detection signal arranged by intelligent bypass apparatus internal system is judged; when inverse signal time delay is lower than threshold value; then judge that protected equipment 2 is working properly; without the need to handoff links; communication can be continued, reach the object of active detecting protected equipment 2 ruuning situation.
Pass-through state of the present invention: optical network signal enters into the 4th optical module 19 through optical switch 3 inbound port (Net0 port), after carrying out opto-electronic conversion, the signal of telecommunication is forwarded to the 4th PHY chip 15, the signal of telecommunication is transmitted to exchange chip 11 and processes by the 4th PHY chip 15, then, information is passed to lower floor first PHY chip 12 by exchange chip 11 again, information is passed to the first optical module 16 by outbound port by the first PHY chip 12, after the electro-optic conversion of the first optical module 16, light signal is forwarded to the inbound port of protected equipment 2, in protected equipment 2 after normal circulation process, data pass data back intelligent bypass apparatus system by the outbound port of protected equipment 2 again, and then, opto-electronic conversion is carried out through the second optical module 17, and electrical signal transfer is given the inbound port of the second PHY chip 13, second PHY chip 13 again by data information transfer to exchange chip 11, after exchange chip 11 inter-process, information is transmitted to the 3rd PHY chip 14, by the 3rd PHY chip 14 outbound port, information is transmitted to optical switch 3 outbound port (Net1 port) again, finally forward the data in optical-fiber network.
Bypass condition of the present invention: when protected equipment 2 occurs that hardware fault, power failure, software deadlock and intelligent bypass apparatus internal circuit break down; control module 5 directly sends special feeding-dog signal to watchdog module (WDT) 4; by watchdog module 4 driven optical switch 3; direct handoff links is to bypass condition; light signal enters the rear Net1 port that directly rushes from Net0 port and exports; complete bypass changeover, reduce handover delay.Control module 5, by external 5th PHY chip 61, provides a RJ45 management port, can also provide a RS232 management interface in addition, extend systemic-function, can directly coordinate other equipment use by configuration UART port.
The present invention's intelligence bypass apparatus circuit adopts the design of dual circuitry safe mode, comprise initiatively bypass and a passive bypass, when initiatively bypass refers to protected equipment 2 operation irregularity or the machine exchange chip 11 operation irregularity, the heartbeat packet exception not receiving heartbeat packet in control module 5 certain hour or receive, optical switch 3 automatically switches to bypass condition; Passive bypass has two kinds of modes: 1. the management port provided by control chip 5 and configured port are configured, and intelligent bypass apparatus can be worked in different modes; 2. switch by external key, the operating state of artificial change optical switch 3, makes intelligent bypass apparatus can work in different modes.
Under protected equipment 2 normal mode; as shown in Figure 3; intelligence bypass apparatus is by the data of Net0 port accepts 10G optical-fiber network transmission; signal first circulates in passive bypass; then initiatively bypass is flowed to again; device port Nic0 is transferred data to again inner by mirror port Mon0; signal is after protected equipment 2 circulates process; data are returned to mirror port Mon1 by the Nic1 port of protected equipment 2; inverse signal passes through initiatively bypass and passive bypass again, and last signal is forwarded a signal in networking by Net1 port.
Under protected equipment 2 Passive Mode; as shown in Figure 4; namely when protected equipment 2 breaks down or the situation of power down; or when the active bypass of intelligent bypass apparatus inside is broken down; then directly start passive bypass; switch to bypass condition, signal just need not pass through initiatively bypass and protected equipment 2 again, saves switching time.
Protection content of the present invention is not limited to above embodiment.Under the spirit and scope not deviating from inventive concept, the change that those skilled in the art can expect and advantage are all included in the present invention, and are protection range with appending claims.
Claims (10)
1. an intelligent bypass apparatus, is characterized in that, comprising:
Data processing module (1), described data processing module (1) is connected with protected equipment (2), for transmitting data to described protected equipment (2);
Optical switch (3), described optical switch (3) is connected with described data processing module (1), is straight-through or bypass condition for handover network;
Watchdog module (4), described watchdog module (4) is connected with described optical switch (3), for driving described optical switch (3);
Control module (5), described control module (5) is connected with described data processing module (1) and described watchdog module (4) respectively, for data processing module (1) and described watchdog module (4) described in coordination, control and management.
2. intelligent bypass apparatus as claimed in claim 1, it is characterized in that, described data processing module (1) comprising: exchange chip (11), the first PHY chip (12), the second PHY chip (13), the 3rd PHY chip (14), the 4th PHY chip (15), the first optical module (16), the second optical module (17), the 3rd optical module (18) and the 4th optical module (19);
Described exchange chip (11) is connected with described control module (5), described first PHY chip (12), described second PHY chip (13), described 3rd PHY chip (14) and described 4th PHY chip (15) respectively, described first PHY chip (12), described second PHY chip (13), described 3rd PHY chip (14) and described 4th PHY chip (15), for the XAUI interface signal of described exchange chip (11) is converted to 10G light signal, carry out transfer of data;
The management interface of described first PHY chip (12), described second PHY chip (13), described 3rd PHY chip (14) and described 4th PHY chip (15) is connected to described control module (5), is configured it by described control module (5);
Described first optical module (16) is connected with described first PHY chip (12) and described protected equipment (2) respectively;
Described second optical module (17) is connected with described second PHY chip (13) and described protected equipment (2) respectively;
Described 3rd optical module (18) is connected with described 3rd PHY chip (14) and described optical switch (3) respectively;
Described 4th optical module (19) is connected with described 4th PHY chip (15) and described optical switch (3) respectively.
3. intelligent bypass apparatus as claimed in claim 1, is characterized in that, comprise further:
5th PHY chip (61), described 5th PHY chip (61) is connected with described control module (5), and for the RGMII signal of described control module (5) is converted to network interface signal, available network interface manages;
RJ45 interface (62), described RJ45 interface (62) is connected with described 5th PHY chip (61), for connecting computer, manages described control module (5).
4. intelligent bypass apparatus as claimed in claim 1, is characterized in that, comprise further:
6th PHY chip (7), described 6th PHY chip (7) is connected with described data processing module (1) and described control module (5) respectively.
5. intelligent bypass apparatus as claimed in claim 1, is characterized in that, comprise further:
RS232 interface (8), described RS232 interface (8) is connected with described control module (5), as the serial management interface of described control module (5).
6. intelligent bypass apparatus as claimed in claim 1, is characterized in that, comprise further:
Flash memory module (9), described flash memory module (9) is connected with described control module (5).
7. intelligent bypass apparatus as claimed in claim 1, is characterized in that, comprise further:
SDRAM module (10), described SDRAM module (10) is connected with described control module (5).
8. intelligent bypass apparatus as claimed in claim 1, is characterized in that, described control module (5) sends heartbeat packet, through described exchange chip (11), follows in data stream transmitting to described protected equipment (2); When described protected equipment (2) is working properly, heartbeat packet turns back to described control module (5) by described exchange chip (11); Do not receive in described control module (5) certain hour heartbeat packet or the heartbeat packet that receives abnormal time, described control module (5) controls described optical switch (3) and is switched to bypass mode.
9. a method of work for intelligent bypass apparatus as claimed in claim 1, is characterized in that, comprise the following steps:
Step one: control module (5) detects the operating state of protected equipment (2), data transmission module (1) and watchdog module (4) in real time;
Step 2: if described control module (5) detects that described data transmission module (1) or described protected equipment (2) break down, then described control module (5) sends distinctive signal to watchdog module (4); Otherwise described control module (5) sends normal signal to described watchdog module (4);
Link switching is bypass condition by step 3: described watchdog module (4) receives described distinctive signal or time-out does not receive described normal signal, then described watchdog module (4) driven optical switch (3);
Link switching is pass-through state by step 4: if described watchdog module (4) receives described normal signal, then described watchdog module (4) drives described optical switch (3).
10. the method for work of intelligent bypass apparatus as claimed in claim 9; it is characterized in that, the fault that described data transmission module (1) or described protected equipment (2) occur comprises: the fault of hardware fault, power failure, software deadlock and described intelligent bypass apparatus internal module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410648282.6A CN104363046A (en) | 2014-11-14 | 2014-11-14 | Intelligent bypass device and work method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410648282.6A CN104363046A (en) | 2014-11-14 | 2014-11-14 | Intelligent bypass device and work method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104363046A true CN104363046A (en) | 2015-02-18 |
Family
ID=52530277
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410648282.6A Pending CN104363046A (en) | 2014-11-14 | 2014-11-14 | Intelligent bypass device and work method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104363046A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108600873A (en) * | 2018-04-25 | 2018-09-28 | 深圳市三旺通信技术有限公司 | A kind of method that controllable optical port realizes redundant link defencive function |
| CN110072162A (en) * | 2019-04-26 | 2019-07-30 | 湖北三江航天万峰科技发展有限公司 | A kind of reliable single mode optical interface communication means and device |
| CN112449148A (en) * | 2019-08-30 | 2021-03-05 | 杭州海康威视数字技术股份有限公司 | Camera, camera system and data transmission system |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20040228369A1 (en) * | 2003-05-14 | 2004-11-18 | George Simmons | Switching arrangement and method for communications platform |
| CN200997525Y (en) * | 2007-01-25 | 2007-12-26 | 杭州华三通信技术有限公司 | Equipment for realizing bypass protection |
| US20100005162A1 (en) * | 2008-07-04 | 2010-01-07 | Inventec Corporation | Bypass control module and network management apparatus thereof and control method of the network system |
| CN102281178A (en) * | 2011-08-01 | 2011-12-14 | 上海海得控制系统股份有限公司 | Ring network link redundancy control system and control method thereof |
| CN204231352U (en) * | 2014-11-14 | 2015-03-25 | 上海欣诺通信技术有限公司 | A kind of intelligent bypass apparatus |
-
2014
- 2014-11-14 CN CN201410648282.6A patent/CN104363046A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20040228369A1 (en) * | 2003-05-14 | 2004-11-18 | George Simmons | Switching arrangement and method for communications platform |
| CN200997525Y (en) * | 2007-01-25 | 2007-12-26 | 杭州华三通信技术有限公司 | Equipment for realizing bypass protection |
| US20100005162A1 (en) * | 2008-07-04 | 2010-01-07 | Inventec Corporation | Bypass control module and network management apparatus thereof and control method of the network system |
| CN102281178A (en) * | 2011-08-01 | 2011-12-14 | 上海海得控制系统股份有限公司 | Ring network link redundancy control system and control method thereof |
| CN204231352U (en) * | 2014-11-14 | 2015-03-25 | 上海欣诺通信技术有限公司 | A kind of intelligent bypass apparatus |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108600873A (en) * | 2018-04-25 | 2018-09-28 | 深圳市三旺通信技术有限公司 | A kind of method that controllable optical port realizes redundant link defencive function |
| CN110072162A (en) * | 2019-04-26 | 2019-07-30 | 湖北三江航天万峰科技发展有限公司 | A kind of reliable single mode optical interface communication means and device |
| CN112449148A (en) * | 2019-08-30 | 2021-03-05 | 杭州海康威视数字技术股份有限公司 | Camera, camera system and data transmission system |
| CN112449148B (en) * | 2019-08-30 | 2023-03-24 | 杭州海康威视数字技术股份有限公司 | Camera, camera system and data transmission system |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN110445533B (en) | Dual-redundancy optical fiber Ethernet transmission system | |
| CN102386970B (en) | Optical network unit (ONU) device of EPON (Ethernet Passive Optical Network) system and protection switching method for same | |
| CN105743566B (en) | A kind of double-PON port ONU optical link pretection switch devices and guard method | |
| JP7114753B2 (en) | Multi-module optical fiber laser with real-time monitoring of optical module anomalies | |
| CN102984059B (en) | Gigabit Ethernet redundancy network interface card and link switching condition criterion output control method thereof | |
| CN101237254A (en) | Optical fiber protection inverse device, method and passive optical network system with the device | |
| US10778561B2 (en) | Diagnostic port for inter-switch and node link testing in electrical, optical and remote loopback modes | |
| CN108259127B (en) | PCIE dual-redundancy ten-gigabit network IP core | |
| US10554296B2 (en) | Optical network system | |
| EP2464040B1 (en) | Protection device and protection method for optical network | |
| CN102801467A (en) | Device and method for implementing dual optical fiber protection switching based on ONU | |
| CN103428114A (en) | ATCA (advanced telecom computing architecture) 10-gigabit switching board and system | |
| CN101753284A (en) | 10/100M Ethernet double interface switching method based upon carrier detect and device thereof | |
| CN104363046A (en) | Intelligent bypass device and work method thereof | |
| CN204231352U (en) | A kind of intelligent bypass apparatus | |
| US9025950B2 (en) | Communication system and optical transmission device | |
| US8909979B2 (en) | Method and system for implementing interconnection fault tolerance between CPU | |
| CN102265640B (en) | Optical line transmission protection system and method | |
| JP2012257167A (en) | Communication control device, termination device, and communication control program | |
| CN102594605B (en) | Dual-host port universal serial bus (USB) hub and working method thereof | |
| CN104468301A (en) | Safety output method based on MVB communication | |
| CN101141218B (en) | Protection switching system and method for wavelength division multiplexing load client network | |
| CN105591688A (en) | Fiber switching protection system suitable for fiber switching protection device | |
| CN112449148B (en) | Camera, camera system and data transmission system | |
| CN103209021B (en) | A kind of bidirectional protective method of balanced system of gfp frame mapping encapsulation business |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20150218 |
|
| RJ01 | Rejection of invention patent application after publication |