subnet mask may differ from the default value 255.255.255.0 and service providers may assign some specific network settings. Administrators should change the configuration according to what is given by the service provider. The configuration may include "IP address", "Subnet mask", "Default router", "Primary DNS server" and "Secondary DNS server". After changing network settings, be sure to leave "Reset network at next boot" blank to skip next installation when the system restarts. Otherwise the settings will be erased.

Each NetworKam can be limited in bandwidth by administrators according to its priority and importance of location. "Bandwidth limit" is most useful to balance network utilization when multiple NetworKam are installed in the same network. It is more effective than changing image quality only and achieves better performance with adequate image size and quality. Keeping the value as zero means no limitation on bandwidth utilization.

For security or network integration, administrators also can hide the server from the general HTTP port by changing "HTTP port" to other than 80. “Local FTP server port” can also be changed to other than default port number 21. Administrators should have enough network knowledge to change the default port.

NetworKam not only plays the role of server, it will also actively connect to servers outside to send out messages or snapshots. When NetworKam starts, it will send out a system log to notify the administrator. Even in modem application, NetworKam will send out a connection log whenever it dials out to an ISP or dialup server outside. If the administrator has setup some applications in either event mode or sequential mode, NetworKam will send out snapshots once conditions are met. There are two methods to send files, including e-mail and FTP. To ensure NetworKam sends out files correctly, administrators should set valid "SMTP (mail) server" and "Recipient email address" as well as "Primary FTP Server", "Primary FTP user name" and "Primary FTP password". "Primary FTP remote folder" is the relative sub-folder in the remote FTP server.

In both methods, a "Secondary" server can be provided for backup connection. However the primary server information should be entered first. If the primary server is not set, the related FTP or email will be deactivated. Note that it may take time to connect to the secondary server after the first one fails and it

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Vivotek IP2111, IP2121 user manual 886-2-22404099 886-2-22404097
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IP2111, IP2121 specifications

Vivotek, a renowned leader in the IP surveillance industry, has a diverse range of IP cameras designed for various security applications. Among these, the Vivotek IP2121 and IP2111 stand out due to their advanced features, robust technologies, and reliable characteristics.

The Vivotek IP2121 and IP2111 are both designed for high-quality video surveillance. The IP2121 features a 1-Megapixel sensor capable of delivering stunningly clear images with a resolution of 1280 x 800 pixels. This ensures that every detail is captured, whether during the day or night. On the other hand, the IP2111 is equipped with a similar sensor but focuses on delivering a more compact and cost-effective solution for users who require less intensive surveillance needs. Both models support H.264 compression technology, which significantly reduces file sizes without compromising image quality, thereby optimizing bandwidth usage and storage space.

One of the important aspects of both cameras is their superior low-light performance. The Vivotek IP2121 is designed with a day/night function, which automatically switches from color to monochrome mode when light levels drop, ensuring clear images even in challenging lighting conditions. This feature is complemented by WDR (Wide Dynamic Range) technology, which enhances image quality in scenes with high contrast between light and shadow.

Both models boast a weather-proof IP66 rating, making them suitable for outdoor installations. This feature protects the cameras against rain, dust, and other harsh environmental conditions. The cameras are also powered over Ethernet (PoE), allowing for easy installation without the need for additional power supplies.

In terms of monitoring capabilities, the Vivotek IP2121 and IP2111 support multiple streaming formats, ensuring compatibility with various video management systems (VMS). They come with built-in motion detection capabilities, which can trigger alerts and notifications when suspicious movement is detected.

The user-friendly interface of Vivotek's software ensures that setting up and managing the cameras is straightforward. These features, coupled with the ability to easily integrate with other Vivotek devices, provides a comprehensive surveillance solution.

Overall, the Vivotek IP2121 and IP2111 represent reliable choices for users seeking efficient, high-quality surveillance systems that combine advanced technology with durability, making them perfect for both residential and commercial applications.
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