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8 © 2009 VBrick Systems, Inc.
on all servers both inside and outside the firewall. To summarize, Internet-based servers and
users are subject to the following limitations:
• Internet servers support MPEG-4 and Windows Media content only.
• Internet servers support unicast only (they do not support multicast).
• Internet ETV users can add video only to VOD servers in the Internet zone.
• Internet users can only see MPEG-4 and Windows Media content stored on Internet-
based servers.
• Internet servers do not support ETV scheduling features.
ETV IP Receiver
EtherneTV-IPRs access the ETV Portal Server through a web browser within the IP
Receiver. Using the IP Receiver remote control, users can navigate and search for specific on-
demand content or live video streams, select a stream, and begin viewing television-quality
video. IP Receiver users can also record video directly on the ETV Portal Server using the
remote control or the wireless keyboard. See the IP Receiver documentation for more about
how to configure and use an ETV IP Receiver.
ETV Network Video Recorder
The ETV Network Video Recorder and the ETV Live Portal Server are optional components
that are purchased and installed separately. They have different license files that must be
installed separately. See Installing Serial Numbers and License Files
on page 15. The ETV
Network Video Recorder lets you off-load all recording tasks from the ETV Portal Server
machine to one or more separate "recorder server" machines. This optimizes recording
performance and improves ETV Portal Server performance as well. The Network Video
Recorder uses ETV
Portal Server components and typically requires two machines: the ETV Portal Server is
installed on one machine; the Network Video Recorder software is installed on a different
machine. Once installed, the NVR machine is used for all ETV Portal Server recording tasks.
See Network Video Recording
on page 127 for more information.
Note A standard ETV Portal Server permits two concurrent recording operations. If you
purchase a Network Video Recorder, the number of concurrent recording operations
(10 or 40) is fixed by the terms of your licensing agreement with VBrick.