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C H A P T E R
6
Using the Video Viewer
The Video Viewer is used to conduct a KVM session with one or more target devices attached to
one or more DS1800 digital switches or DSR switches. When you connect to a device using the
Video Viewer, the target device desktop appears in a separate window. You will see both the local
and the target device cursor. The Video Viewer window supports either a 3 or 5 button mouse.
Virtual media sessions, which are supported on some DSR switches, are opened from the
Video Viewer.
About the Video Viewer Window
The DSView management software uses either a Java-based program or an ActiveX applet to
display the Video Viewer window. The Java-based Video Viewer is launched from the Mozilla,
Firefox and Netscape based clients when a KVM session is requested. The ActiveX Video Viewer
is launched from Internet Explorer on Windows.
NOTE:
The DSView management software uses system memory to store and display images within Video
Viewer windows. Each opened Video Viewer window requires additional system memory. An 8-bit color setting
on the Client PC requires 1.4 MB of memory per Video Viewer window, a 16-bit color setting requires 2.4 MB and
a 32-bit color setting requires 6.8 MB. Opening more than four simultaneous Video Viewer windows may affect
system performance and is not recommended. If you attempt to open more Video Viewer windows than your
system memory allows, you will receive an out of memory error and the requested Video Viewer window will
not open.
KVM sessions may be launched to devices from any DS1800 digital switch or DSR switch. Each
KVM session will be established using the configured encryption level. See
changing session settings on managed appliances
on page 108 for more information.
If the device you are attempting to access is currently being viewed by another user and you have
administrator privileges, you may disconnect the other user so that you may access that device.
You cannot preempt a local user who is in Broadcast mode. See the DSR Installer/User Guide for
more information.
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