Lightening arresting method and device for Ethernet port

A technology of Ethernet and port, which is applied in the direction of circuit devices, emergency protection circuit devices, emergency protection circuit devices for limiting overcurrent/overvoltage, etc. Poor performance and other problems, to achieve the effect of convenient network management and maintenance, avoiding high voltage danger, and low cost

Inactive Publication Date: 2008-08-27
HUAWEI TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] 1. Poor security
The method of deeply buried network cables generally only protects the uplink port or other important Ethernet user interfaces, and the network cables of other interfaces are still open, so the danger of lightning strikes and static electricity still exists
[0006] 2. High cost
General construction methods have high manpower and material costs, and often extend the construction period

Method used

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  • Lightening arresting method and device for Ethernet port
  • Lightening arresting method and device for Ethernet port
  • Lightening arresting method and device for Ethernet port

Examples

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Embodiment Construction

[0028] The present invention provides an instantaneous high-voltage current discharge path between the differential lines of the Ethernet differential line pair. When a high voltage is generated between the differential lines in the Ethernet due to lightning and high-voltage static electricity, the instantaneous high-voltage current discharge path Release it to prevent lightning or high-voltage static electricity from entering the Ethernet device and damaging circuits and devices.

[0029] refer to figure 1 , differential line rx + , rx - and differential line tx + , tx - Voltage clamping transient suppression diodes (Transient Voltage Suppressor, TVS for short) VD1 and VD2 are respectively connected between them. TVS tubes VD1 and VD2 are integrated in one tube, and its model is SLVU2_8.4. Two pairs of connecting sockets or plugs for differential wire pairs to facilitate connection with other equipment. The TVS tube is a voltage limiting protection device, which uses th...

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PUM

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Abstract

This invention opens a method for protecting Ethernet from thunder hitting and its device, its method is: provide the current releasing path of instantaneous high voltage between the differential line of the differential pair, the current releasing path is provided by gas discharge tube, locate in the most from stage of the protective circuit, the high voltage produced by thunder/high voltage static between the differential line can be released by the above-mentioned the current releasing path is instantaneous high voltage, the rear stage of the differential circuit adopts varistor and WS tube to make voltage clipping, the residual voltage after passing through the gas discharge tube is clipped to a lower voltage by varistor and WS tube, implement the protection of the rear circuit.

Description

technical field [0001] The invention relates to a lightning protection device, in particular to a lightning protection method and device for an Ethernet port. Background technique [0002] With the vigorous construction of domestic broadband metropolitan area networks, more and more Ethernet switches are used as user access devices in enterprise networks and broadband communities. With the expansion and deterioration of the application environment of switches, especially in corridors, operators need to improve the security performance of Ethernet ports and increase the lightning protection capabilities of ports to meet the needs of reliable long-distance travel of equipment. [0003] The Ethernet port with lightning protection function can resist lightning strikes and static electricity, support even harsher networking environments, and effectively improve the security of network equipment and other electrical equipment. Therefore, it is more and more popular in enterprise n...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H02H9/04H02H9/06
Inventor 沈明黄自亮黄建义罗新会
Owner HUAWEI TECH CO LTD
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