User's Manual

OPERATION
Panel Control
For AS-21P(CS-21CA), AS-41P(CS-41CA), AS-21UA(CS-21UA), AS-41UA(CS-41UA), KVM SWITCH and
port status indication can be done by top panel.
Buttons on panel are selection buttons. Just press one button and then you can select the corresponding port.
Each button has upper and lower two LEDs indicating on line and selected status. The upper indicates the on
line status. It lights if the corresponding computer is on line. The lower indicates the selected status. Since there
is only one port selected at one time, the only one LED lights to show that the corresponding computer is
selected.
Hot Key Control
It also provides several particular switching hot key for convenience.
A. Rapidly tapping left [Ctrl] to increase port number by 1.
B. Rapidly tapping Right [Ctrl] to decrease port number by 1.
C. Rapidly tapping [Shift] to start port scanning function, it automatically increase the port number by 1 by
each 5s interval until tapping space bar.
In order to prevent uncertainty caused by unplugging mouse and/or keyboard on console panel. You can press
key [1] and [2] together to reset the system.