| 摘要 |
PURPOSE: The apparatus for selecting one of computer multiple networks is provided to enable the network to be managed efficiently, and to easily switch the networks with a single typical local area network(LAN) card as a switch device for selecting one of the networks, by giving a manager or a user the rights to control the network. CONSTITUTION: A signal maintaining part(110) stores and keeps the data inputted via a selection switch(S1). A switch part(120) is operated in response to the output signal from the signal maintaining part(110) and the control signals inputted via external input ports(CN5,CN6,CN7). A display part(130) illustrates a control state. A network connection part(140) is formed to be connected to the connector of RJ-45 which is used in a LAN and to the connector of RJ-11 that is used in a telephone network.
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