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SEC TIONS
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OPERaTION
Operation
1 .
Self-Test Procedure
as product powers-up it performs a self-test procedure. In case of self- test failure
for any reason, including jammed buttons, the product will be Inoperable. Self-
test failure will be indicated by the following abnormal lED behavior:
• all channel-select lEDs will be turned ON and then Off;
• a specific, predefined lED combination will be turned ON;
• The predefined lED combination will indicate the problem type (jammed
buttons, firmware integrity).
Try to power cycle product. If problem persists please contact your system
administrator or technical support.
Now that product, computers and peripherals are connected and powered up,
it is ready for use.
2 .
Default Channel
after product boots up, the default active channel will be channel #1. This will be
indicated by white color illumination of push-button #1.
3 .
Product Mapping to Sources
Product mapping to sources is indicated by stickers/labels specifying which
channel is mapped to which computer.
HSL SC44HU-3 Secure KVM Combiner
1
2
4 .
following power up, the default channel is #1.
The user can select any other channel by pressing the appropriate front panel
push button. The mouse cursor will be positioned at the center of the selected
computer display. The currently selected channel is indicated by white color
illumination of the appropriate push-button.
Once a different channel is selected – video, keyboard, mouse, audio and fUSB
functions follow selected channel, unless freeze fUSB/freeze audio functions
have been activated (see below for details).
5 .
The product is equipped with fUSB port enabling connectivity to external USB-
devices such as smartcard reader. The filtered USB function (fUSB) enables to
control which USB devices will be operative when connected to product.
for more details on configuration options, please refer to the "fUSB Configuration
Manual".
Summary of rules that apply to fUSB switching:
It is assumed that a "connected channel" is when:
1. Product is powered ON
2. The USB device connected to product console is qualified and ready for use,
as indicated by the fUSB status lED illuminating steady green.
3. The channel fUSB port on product is connected via USB cable to a USB port
on computer.
3
4
Front Panel Push-Buttons
fUSB Port (applicable models)
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