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2.4
'Self powered' operation without the optional adaptor
The LINDY CPU Switch Junior draws its power from the connected computers via the keyboard
cables. A single keyboard connection is normally sufficient to power the LINDY CPU Switch Junior
provided that the cable is no longer than 3 metres. If more than one computer is connected then
the power will be intelligently drawn from all computers. Cables longer than 3 metres may be used
provided that the LINDY CPU Switch Junior is already powered by another connected computer or
the optional power adaptor. If you are cascading the LINDY CPU Switch Junior to another then a
power adaptor must be connected to all LINDY CPU Switch Juniors.
2.5
Configuring your PCs
Configure your PC in the same way that you would if your keyboard, mouse and monitor were all
connected directly to your PC, but bearing in mind the following points:
• LINDY CPU Switch Junior emulates Microsoft
so ensure that your PC software is configured for a Microsoft
to the list of supported drivers in section 2.1.
• LINDY CPU Switch Junior supports VGA/SVGA/XGA/XGA2 type monitors, but does not
support the automatic detection features available with some 'plug and play' monitors and
video cards. If you have this type of video card and monitor, you should select the video mode
manually instead of relying upon the automatic detection feature.
2.6
Other useful installation information
PC boot up sequence - When your PCs are powered on they communicate with any attached
keyboards and mice and setup parameters required by the particular operating system. It is
necessary for the LINDY CPU Switch Junior to be attached and powered on during this sequence
so that it can give the required responses and keep track of all the modes and settings requested
by each of the connected PCs.
Mouse characteristics - do not unplug a PS/2 mouse connection from a PC whilst the PC is on.
Due to the design of PS/2 mice communications the mouse function on the PC will be lost and you
will have to re-boot the PC to regain normal operation. Unplugging the mouse from the LINDY
CPU Switch Junior will also cause it to stop operating when it is plugged back in. RS232 mice can
usually be unplugged and plugged back in provided that a mouse was connected when the
operating system initially booted. The LINDY CPU Switch Junior is fitted with a PS/2 mouse
recovery system which allows you to disconnect and re-connect the shared mouse without
powering down the system (although this is generally not advisable) - see section 2.7 for details.
Keyboard and mouse mode switching - The LINDY CPU Switch Junior keeps a log of the
keyboard and mouse mode and resolution settings requested by each of the connected PCs.
These settings are automatically restored to the shared keyboard and mouse when the LINDY
CPU Switch Junior channel is switched thus ensuring maximum software compatibility. The
<NUM LOCK>, <CAPS LOCK> and <SCROLL LOCK> states are an obvious example of this
process.
Page 10
compatible serial, IntelliMouse and PS/2 mice,
®
Installation & Use – English Guide
mouse of the correct type. Refer
®
LINDY ELECTRONICS LTD
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