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Introduction
WELCOME
Thank you for choosing the ADDERView™ AVS-4128 secure switch for sharing single or
dual head video, USB keyboard and mouse, plus analog audio between up to eight host
computers spanning multiple security classification levels. Video resolutions up to 3840 x
2160 @ 60Hz are supported and all video connections can be DisplayPort™ or HDMI
The standard configuration allows the single-head outputs of any two hosts to be
displayed on the dual video displays, in any order, with keyboard and mouse focus being
switchable between them:
1
2
3
4
Alternative modes also support dual-head host connections, see "Appendix B -
Alternative layouts" on page 19.
L:
1
LONDON
UNCL
R:
2
NEW YORK
FOUO
AUDIO:
1
HOLD
RC
5
6
7
8
Free-Flow
To simplify switching the keyboard and
mouse between the hosts currently
outputting to the two video displays,
®
.
you can use the Free-Flow feature (see
page 13). When enabled, keyboard
and mouse focus follows the mouse as it
moves across monitor edges.
Features
• Uni-directional keyboard, video, mouse and audio data paths prevent any potential
information leakage through shared peripherals.
• No shared memory between channels: The keyboard and mouse processor is powered
down and reset at each switchover to thwart shared data leakages.
• Automatic switching of keyboard and mouse focus between currently selected host
computers (configurable Free-Flow mode). Simply move the mouse between displays.
• Clear channel identification to reduce the chances of operator error by displaying a
user defined name and security classification for each channel on the status display.
The color of the channel indicators may also be configured to reflect the security
classification.
• Hardware anti-tampering: Holographic anti-tampering labels protect the product's
enclosure, providing a clear visual indication if it has been opened or compromised.
• Restricted USB function: The USB ports will only accept HID (Human Interface
Devices), such as keyboards and mice.
• There is no access to the product's firmware or memory through any port. Firmware
is permanently stored in non-reprogrammable Read Only Memory (ROM) to prevent
modification. Firmware integrity is verified through a self-test procedure during
power up. Detection of a critical failure disables the device and provides a clear visual
indication to the user.
Safety
Please refer to the safety booklet provided in the box before use of this product.
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2
2
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