CN214014424U - Link protection type network switch - Google Patents
Link protection type network switch Download PDFInfo
- Publication number
- CN214014424U CN214014424U CN202120161165.2U CN202120161165U CN214014424U CN 214014424 U CN214014424 U CN 214014424U CN 202120161165 U CN202120161165 U CN 202120161165U CN 214014424 U CN214014424 U CN 214014424U
- Authority
- CN
- China
- Prior art keywords
- optical
- optical fiber
- fiber interface
- module
- network switch
- 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.)
- Active
Links
Images
Landscapes
- Optical Communication System (AREA)
Abstract
The utility model discloses a link protection type network switch, including outage detection circuitry and optical fiber interface group, still include trouble acquisition circuit and light path switching control circuit, light path switching control circuit is connected with trouble acquisition circuit and outage detection circuitry respectively, and optical fiber interface group is connected with light path switching control circuit and trouble acquisition circuit respectively, and outage detection circuitry is used for check out test set whether to cut off the power supply, and whether trouble acquisition circuit is used for detecting the network of network switch unusual, and light path switching control circuit is used for realizing the direct switching of optic fibre. The optical switch is directly combined into the network switch, so that the whole equipment has small volume and low power consumption; the optical path switching control circuit can passively realize the straight-through switching of the optical fibers when the equipment is powered off, and actively realize the straight-through switching of the optical fibers when the optical module signal abnormality of the network switch or the switching module failure is detected.
Description
Technical Field
The utility model belongs to the technical field of the switch, more specifically say, the utility model relates to a link protection type network switch technical field.
Background
At present, optical fiber interfaces in a network switch all adopt pluggable SFP modules or optical modules of 1x9, and depending on the characteristics of packet switching, the network interfaces of the network switch can realize cascade connection, so that in engineering application with longer links, such as data acquisition and video monitoring application along a highway, a petroleum pipeline or a railway, because most nodes are unattended and have bad conditions, the condition of power failure at the nodes can be frequently generated, and the network switch is caused to stop service to cause communication interruption of subsequent nodes (stations) of the links.
At present, the conventional link optical network protection adopts optical fiber power-off automatic switching equipment, the optical fiber power-off automatic switching equipment is physically connected with an optical fiber of a network switch, and a power supply and a switching control processing circuit need to be additionally provided for the optical fiber power-off automatic switching equipment, so that the overall cost is high and the power consumption is also high. Meanwhile, the optical fiber power-off automatic switching equipment starts the straight-through switching of the optical fibers only when power is cut off, and cannot play a role in protection when the network of the network switch fails.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a link protection type network switch to can't realize the direct technical problem who rearranges of optic fibre when solving the network switch network fault that exists among the prior art.
In order to realize the technical purpose, the utility model discloses a technical scheme as follows:
the utility model provides a link protection type network switch, includes outage detection circuitry and optical fiber interface group, its characterized in that still includes trouble acquisition circuit and light path switching control circuit, light path switching control circuit respectively with trouble acquisition circuit with outage detection circuitry is connected, optical fiber interface group respectively with light path switching control circuit with trouble acquisition circuit is connected, outage detection circuitry is used for whether check out test set cuts off the power supply, trouble acquisition circuitry is used for detecting whether the network of network switch is unusual, light path switching control circuit is used for realizing the direct switching of optic fibre.
Preferably, the optical path switching control circuit includes an optical switch, and the optical switch is connected to the optical fiber interface group.
Preferably, the optical switch is a 2 x 2 optical switch.
Preferably, the power-off detection circuit comprises a power module and a call detection module, the power module is connected with the call detection module, and the call detection module is connected with the optical path switching control circuit.
Preferably, the fault collection circuit includes an optical module group, a switch module, and an ethernet electrical interface, where the switch module is connected to the optical module group and the ethernet electrical interface, respectively, and the optical module group is connected to the optical fiber interface group and the switch module, respectively.
Preferably, the optical module group comprises a plurality of optical modules, and the optical modules are 1.25G optical modules.
Preferably, the switching module is an 8-channel 1000M switching module.
Preferably, the ethernet electrical interface is a 1000GE ethernet electrical interface.
Preferably, the optical fiber interface group includes a first optical fiber interface, a second optical fiber interface, a third optical fiber interface, a fourth optical fiber interface, a fifth optical fiber interface, and a sixth optical fiber interface, the optical path switching control circuit is respectively connected to the first optical fiber interface, the second optical fiber interface, the third optical fiber interface, and the fourth optical fiber interface, and the fault collection circuit is respectively connected to the fifth optical fiber interface and the sixth optical fiber interface.
Preferably, a fiber optic connector is also included.
The utility model provides a beneficial effect lies in:
the optical switch is directly combined into the network switch, so that the whole equipment has small volume and low power consumption; the optical path switching control circuit can passively realize straight-through switching of optical fibers when the equipment is powered off, and communication of link downstream equipment is protected; when the optical module signal abnormality or the switching module failure of the network switch is detected, the direct connection switching of the optical fiber is actively realized, and the communication of the downstream equipment of the link is protected.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for the embodiments or the prior art descriptions will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without inventive labor.
Fig. 1 is a schematic diagram of a link protection type network switch structure adopted by an embodiment.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
As shown in fig. 1, in this embodiment, a link protection type network switch includes a power-off detection circuit and an optical fiber interface group, and further includes a fault acquisition circuit and an optical path switching control circuit, where the optical path switching control circuit is connected to the fault acquisition circuit and the power-off detection circuit, the optical fiber interface group is connected to the optical path switching control circuit and the fault acquisition circuit, the power-off detection circuit is used to detect whether a device is powered off, the fault acquisition circuit is used to detect whether a network of the network switch is abnormal, and the optical path switching control circuit is used to implement a through switching of optical fibers.
The optical path switching control circuit comprises an optical switch, the optical switch is connected with the optical fiber interface group, and the optical switch is a 2 x 2 optical switch. The power-off detection circuit comprises a power supply module and a call detection module, the power supply module is connected with the call detection module, the call detection module is connected with the light path switching control circuit, the power supply module supplies power to equipment, and the call detection module detects whether the power supply of the power supply module is normal or not.
The fault acquisition circuit comprises an optical module group, a switching module and an Ethernet electrical interface, wherein the switching module is respectively connected with the optical module group and the Ethernet electrical interface, and the optical module group is respectively connected with the optical fiber interface group and the switching module. The optical module group comprises a plurality of optical modules, the optical modules are 1.25G optical modules, the exchange module is an 8-channel 1000M exchange module, and the Ethernet electrical interface is a 1000GE Ethernet electrical interface. The optical module group comprises a first optical module and a second optical module, and the first optical module and the second optical module are 1.25G optical modules.
The optical fiber interface group comprises a first optical fiber interface, a second optical fiber interface, a third optical fiber interface, a fourth optical fiber interface, a fifth optical fiber interface and a sixth optical fiber interface, the optical path switching control circuit is respectively connected with the first optical fiber interface, the second optical fiber interface, the third optical fiber interface and the fourth optical fiber interface, the fault acquisition circuit is respectively connected with the fifth optical fiber interface and the sixth optical fiber interface, the second optical fiber interface is connected with the sixth optical fiber interface, the fourth optical fiber interface is connected with the fifth optical fiber interface, the first optical fiber interface is connected with the uplink, and the third optical fiber interface is connected with the downlink. The link protection type network switch also comprises an optical fiber connector, and the application of the SFP plug-in module is not influenced.
The working principle of the device is as follows:
when the power supply of the node is normal and the network switch runs without faults, the 2 x 2 optical switch works normally, namely the first optical fiber interface is communicated with the fourth optical fiber interface, the second optical fiber interface is communicated with the third optical fiber interface, and the link protection type network switch works as a communication node in one link.
When the power failure detection circuit detects that the power supply of the node is abnormal, the first optical fiber interface and the third optical fiber interface are communicated through a 2 x 2 optical switch in the optical path switching control circuit until the abnormal condition is relieved. When the fault acquisition circuit detects that the optical module signal is abnormal or the switching module has a fault, the first optical fiber interface and the third optical fiber interface are communicated through a 2 x 2 optical switch in the optical path switching control circuit until the abnormal condition is relieved.
It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein.
Claims (10)
1. The utility model provides a link protection type network switch, includes outage detection circuitry and optical fiber interface group, its characterized in that still includes trouble acquisition circuit and light path switching control circuit, light path switching control circuit respectively with trouble acquisition circuit with outage detection circuitry is connected, optical fiber interface group respectively with light path switching control circuit with trouble acquisition circuit is connected, outage detection circuitry is used for whether check out test set cuts off the power supply, trouble acquisition circuitry is used for detecting whether the network of network switch is unusual, light path switching control circuit is used for realizing the direct switching of optic fibre.
2. The link protection network switch of claim 1, wherein the optical path switching control circuit comprises an optical switch, and the optical switch is connected to the set of fiber interfaces.
3. A link protected network switch according to claim 2, wherein the optical switch is a 2 x 2 switch.
4. The link protection type network switch according to claim 1, wherein the power-off detection circuit includes a power module and a call detection module, the power module is connected to the call detection module, and the call detection module is connected to the optical path switching control circuit.
5. The link protection network switch of claim 1, wherein the fault acquisition circuit comprises an optical module set, a switching module and an ethernet electrical interface, the switching module is connected to the optical module set and the ethernet electrical interface, respectively, and the optical module set is connected to the optical interface set and the switching module, respectively.
6. The link protected network switch of claim 5, wherein the optical module group comprises a plurality of optical modules, and the optical modules are 1.25G optical modules.
7. The link protected network switch of claim 5, wherein the switch module is an 8-channel 1000M switch module.
8. The link protected network switch of claim 5, wherein the Ethernet electrical interface is a 1000GE Ethernet electrical interface.
9. The link protection type network switch according to claim 1, wherein the optical fiber interface group includes a first optical fiber interface, a second optical fiber interface, a third optical fiber interface, a fourth optical fiber interface, a fifth optical fiber interface, and a sixth optical fiber interface, the optical path switching control circuit is connected to the first optical fiber interface, the second optical fiber interface, the third optical fiber interface, and the fourth optical fiber interface, respectively, and the fault collection circuit is connected to the fifth optical fiber interface and the sixth optical fiber interface, respectively.
10. The link protected network switch of claim 1, further comprising a fiber optic connector.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120161165.2U CN214014424U (en) | 2021-01-20 | 2021-01-20 | Link protection type network switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120161165.2U CN214014424U (en) | 2021-01-20 | 2021-01-20 | Link protection type network switch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214014424U true CN214014424U (en) | 2021-08-20 |
Family
ID=77295815
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120161165.2U Active CN214014424U (en) | 2021-01-20 | 2021-01-20 | Link protection type network switch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214014424U (en) |
-
2021
- 2021-01-20 CN CN202120161165.2U patent/CN214014424U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105591691B (en) | A kind of fault point positioning method of the communications optical cable based on GIS | |
| CN104283607A (en) | Optical fiber communication network monitoring protecting system and method thereof | |
| CN205453696U (en) | Real -time on -line monitoring system of optical cable based on GIS | |
| CN104794870B (en) | Electric power optical cable maintenance pre-warning system and method | |
| CN110086528A (en) | A kind of resource management system based on optical cable on-line monitoring | |
| CN104393914A (en) | A multiplex route recovering method for an optical fiber differential protection device | |
| CN101640818A (en) | Protection device and protection method of optical network | |
| CN110086531A (en) | A kind of fiber optic testing system based on local area network | |
| CN101166069A (en) | Method and system for automatic switching of optical module in optical transmission network | |
| CN107846247B (en) | A kind of pretection switch system and method | |
| CN214014424U (en) | Link protection type network switch | |
| CN110247700A (en) | A kind of intelligent optical cable monitoring system and method with cable protection function | |
| CN209930259U (en) | Intelligent optical cable monitoring system with optical cable protection function | |
| CN203608203U (en) | High-speed electronic switch type optical cable protector | |
| CN205081785U (en) | Light bypass protection system | |
| CN111817778A (en) | Optical cable remote monitoring device and method at tail end of power optical transmission network | |
| CN106646116A (en) | Trouble shooting and locating method for power distribution network | |
| CN110086530A (en) | A kind of Cable's Fault alarm system | |
| CN201976106U (en) | Automatic reversing switch based on protection of light communication device | |
| CN209930261U (en) | Bypass function circuit supporting system starting process, fault and crash | |
| CN102340407B (en) | Protection switching method and system | |
| CN204408345U (en) | Optical cable on-line monitoring system | |
| CN201403096Y (en) | Fault and power-off protection device for optical transmission device | |
| CN104953697B (en) | Spare power automatic switching method of chain type electrical-network | |
| CN105356934B (en) | A kind of signal behavior mode of high speed electronic switch type cable protection instrument |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |