Vivotek IP2121 - Manual (Page 14)

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How to Install
To easily fit into various environments, Network Camera automatically detects the
attached interfaces and configures itself to the best condition. Therefore users need not
care how to select the network between Ethernet and modem, and whether the Ethernet
speed is 10Mbps or 100 Mbps. The high performance built-in CCD and lens always give
users delicate image quality.
Network Camera supports Ethernet and modem interfaces according to the user's
existing network. Ethernet can provide higher bandwidth to achieve the best
performance while dial-up network with modem is more common in current Internet
applications. Refer to the related installation section for your network environment. If
both interfaces are available, Ethernet is recommended and will be chosen as the first
priority if Ethernet cable and modem are concurrently attached. Managing to install in
the other interface will automatically clear the previous network settings to start new
installation.
In the following content, "user" refers to those who can access Network Camera and
"administrator" means the supervisor who has the root password to configure Network
Camera in addition to general access. Administrators should carefully read this manual,
especially during installation.