笔记本电脑外置式网络隔离装置

External network isolation device of notebook computer

Abstract

The utility model discloses an external network isolation device of a notebook computer. The external network isolation device comprises a switch box, and a change-over switch (3), three network cableinterfaces (14, 15 and 16) and two USB interfaces (12 and 13) which are arranged on the switch box, wherein one USB interface (12) is used for connecting a computer; the other USB interface (13) is used for connecting an external hard disc; and the change-over switch is used for switching the signal connection between the USB interfaces (12 and13). Due to the arrangement of the two USB interfaces, information can be stored in the corresponding hard disc to prevent information leakage when the change-over switch achieves connection with corresponding network, thereby achieving physical isolation of internal network and the external network and safe and reliable network. In addition, the external network isolation device can achieve switching of the internal network and the external networkconveniently without turning off the computer.
本实用新型公开了一种笔记本电脑外置式网络隔离装置,它包括一个开关盒以及设在开关盒上的切换开关[3]、三个网线接口[14、15、16]和两个USB接口[12、13],一个USB接口[12]用于连接电脑USB接口,一个USB接口[13]用于连接外置硬盘,切换开关用于切换两个USB接口[12、13]之间的信号连接。本实用新型由于设有两个USB接口,使得切换开关选择实现与相应网络的联接时,信息可存储于相应的硬盘,信息不会泄漏,实现了内外网的物理分开,网络安全可靠;且无需关机即可实现内外网的切换,操作方便。

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