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5
POWER-UP SEQUENCE
The UNIMUX-USBV-2 USB KVM switch can be powered at any time. The CPUs can be powered at any time although if a CPU
needs a keyboard and/or mouse at power-ON it should be powered after connecting to and powering-ON the UNIMUX-USBV-2
USB KVM switch. USB devices (keyboard and mouse) can be hot plugged to and from the UNIMUX-USBV-2 USB KVM switch at
any time. Remember, the last attached device is the active one.
USING THE NTI SWITCH
The NTI UNIMUX-USBV-2 USB KVM switch can be operated by the CPU SELECT button on the side of the switch or by
keyboard control.
CPU Select
• Pressing the CPU SELECT button on the UNIMUX-USBV-2 USB KVM switch will toggle between CPU 1 and CPU 2 which
connects the selected CPU to the user's keyboard, monitor, and mouse.
• Holding down the CPU SELECT button for more than 2 seconds will cause the UNIMUX-USBV-2 USB KVM switch to cycle
through all modes of operation: COMMAND, SCAN, BROADCAST, and NORMAL (see pages 6 and 7 for Command, Scan,
Broadcast, and Normal mode sections). After the first change, modes will continue to change every 2 seconds as long as
the CPU SELECT button is still pressed in. The CPUx LEDs will indicate which mode the switch is in (see the table below).
Release the button when the desired mode has been selected.
Switch Mode Indication
MODE CPUx LED INDICATION
COMMAND Both LEDs illuminated
SCAN One LED flashing
BROADCAST Both LEDS flashing alternately
NORMAL One LED illuminated solid
Keyboard Control
In order to control the other features of the switch with the keyboard, Command Mode must be enabled. To enter
Command Mode from the keyboard:
Press
When the Command Mode is enabled, all 3 status lights on the keyboard will illuminate and both LEDs on the UNIMUX-USBV-2
USB KVM switch will illuminate solid to indicate Command Mode is enabled and the following functions are available: (NOTE:
The user must exit Command Mode in order to use the CPU(s) in the selected mode. To exit Command Mode, press ESC on
the keyboard. ) The mouse will not operate while in Command Mode.
NOTE: While in Command Mode, when a proper programming key is pressed and recognized by the switch, the LEDs
on the keyboard will flash once to indicate acceptance. The user must exit Command Mode (by pressing ESC) to see a
change take effect in the switch operation.
NOTE: The UNIMUX-USBV-2 USB KVM switch will automatically exit Command Mode after 10 seconds of inactivity by
the user if the user does not manually exit Command Mode.
`
+
Ctrl
~
(ACCENT
KEY)
`
USING THE NTI SWITCH