Lindy CPU SWITCH User Manual
About this manual
LINDY CPU Switch - Installation and Use
Second Edition (May 1998)
LINDY CPU 2 Switch – Part No. 32 252
LINDY CPU 4 Switch – Part No. 32 253
LINDY CPU 4 OSD Switch – Part No. 32 259
LINDY CPU 8 OSD Switch – Part No. 32 257
LINDY CPU 16 OSD Switch – Part No. 32 258
© 1998 LINDY Electronics Ltd.
All rights reserved. Whilst every precaution has been taken in the preparation of this manual,
LINDY Electronics Ltd assumes no responsibility for errors or omissions. Neither is any liability
assumed for damages resulting from the use of the information contained herein. We reserve the
right to change the specifications, functions and circuitry of the product without notice. All
trademarks acknowledged.
Safety information
• For use in dry, oil free indoor environments only.
• Warning - live parts contained within power adapter.
• No user serviceable parts within power adapter - do not dismantle.
• Plug the power adapter into a socket outlet close to the LINDY CPU Switch.
• Do not use power adapter if power adapter case becomes damaged, cracked or broken or if
you suspect that it is not operating properly.
Warranty
LINDY Electronics Ltd warrants that this product shall be free from defects in workmanship and
materials for a period of one year from the date of original purchase. If the product should fail to
operate correctly in normal use during the warranty period, LINDY will replace or repair it free of
charge. No liability can be accepted for damage due to misuse or circumstances outside LINDY’s
control. Also LINDY will not be responsible for any loss, damage or injury arising directly or
indirectly from the use of this product. LINDY’s total liability under the terms of this warranty shall
in all circumstances be limited to the replacement value of this product.
If any difficulty is experienced in the installation or use of this product that you are unable to
resolve, please contact your supplier.
LINDY ELECTRONICS LTD Installation & Use – English Guide Page 1
Radio Frequency Energy
o
e
Shielded cables must be used with this equipment to maintain compliance with radio frequency
energy emission regulations and ensure a suitably high level of immunity to electromagnetic
disturbances.
European EMC directive 89/336/EEC
This equipment has been tested and found to comply
with the limits for a class B computing device in
accordance with the specifications in the European
standard EN55022. These limits are designed to
provide reasonable protection against harmful
interference. This equipment generates, uses and can
radiate radio frequency energy and if not installed and
used in accordance with the instructions may cause
harmful interference to radio or television reception.
However, there is no guarantee that harmful
interference will not occur in a particular installation. If
this equipment does cause interference to radio or
television reception, which can be determined by
turning the equipment on and off, the user is
encouraged to correct the interference with one or
more of the following measures: (a) Reorient or
relocate the receiving antenna. (b) Increase the
separation between the equipment and the receiver.
(c) Connect the equipment to an outlet on a circuit
different from that to which the receiver is connected.
(d) Consult the supplier or an experienced radio / TV
technician for help.
FCC Compliance Statement (United States)
This equipment generates, uses and can radiate radio
frequency energy and if not installed and used
properly, that is, in strict accordance with the
manufacturer’s instructions, may cause interference t
radio communication. It has been tested and found to
comply with the limits for a class A computing device
in accordance with the specifications in Subpart J of
part 15 of FCC rules, which are designed to provide
reasonable protection against such interference when
the equipment is operated in a commercial
environment. Operation of this equipment in a
residential area may cause interference, in which cas
the user at his own expense will be required to take
whatever measures may be necessary to correct the
interference. Changes or modifications not expressly
approved by the manufacturer could void the user’s
authority to operate the equipment.
Canadian Department of Communications RFI
statement
This equipment does not exceed the class A limits for
radio noise emissions from digital apparatus set out in
the radio interference regulations of the Canadian
Department of Communications.
Le présent appareil numérique n’émet pas de bruits
radioélectriques dépassant les limites applicables
aux appareils numériques de la classe A prescrites
dans le règlement sur le brouillage radioélectriques
publié par le ministère des Communications du
Canada.
Page 2 Installation & Use – English Guide LINDY ELECTRONICS LTD
Contents
1. Introduction
1.1 Key features......................................................................................................... 4
1.2 Package contents................................................................................................. 4
1.3 Product information ............................................................................................. 5
2. Installation
2.1 What you will need .............................................................................................. 9
2.2 Mounting the LINDY CPU Switch ........................................................................ 10
2.3 Connecting your devices ..................................................................................... 10
2.4 Configuring your PCs .......................................................................................... 11
2.5 Other useful installation information .................................................................... 11
2.6 Re-enabling a disconnected PS/2 mouse ........................................................... 12
2.7 Hot plugging the LINDY CPU Switch into running systems and........................... 13
re-enabling disconnected CPU PS/2 mouse connections
3. Using the LINDY CPU Switch
3.1 Power on status.................................................................................................... 15
3.2 Status lights.......................................................................................................... 15
3.3 Front panel keys and remote controller................................................................ 16
3.4 Status display....................................................................................................... 17
3.5 Using the dual control ports (A and B).................................................................. 17
3.6 Keyboard hotkey control....................................................................................... 18
3.7 On screen menu control....................................................................................... 20
3.8 Mouse control....................................................................................................... 22
3.9 RS232 control....................................................................................................... 22
3.10 LINDY CPU Switch Remote control..................................................................... 22
3.11 Cascading LINDY CPU Switches ........................................................................ 22
4. LINDY CPU Switch configuration options
4.1 Screen saver time delay ...................................................................................... 25
4.2 Display options..................................................................................................... 26
4.3 Display appearance options................................................................................. 26
4.4 Autoscan lock on mode and delay time ............................................................... 27
4.5 Timeout setting for switching between local and remote ports ............................ 28
4.6 Mouse switching of channels................................................................................ 28
4.7 Keyboard hotkey combination ............................................................................. 29
4.8 Firmware functions (reset and version query) ..................................................... 30
4.9 Setting a security password ................................................................................ 31
4.10 Exit configure mode ............................................................................................. 31
Appendices
A LINDY CPU Switch Configuration Options Summary........................................... 32
B Cable and connector specifications...................................................................... 34
C Problem solving.................................................................................................... 36
LINDY ELECTRONICS LTD Installation & Use – English Guide Page 3
1. Introduction
Thank you for purchasing the LINDY CPU Switch. Your LINDY CPU Switch is a high performance
keyboard, monitor and mouse sharing device which supports a wide range of PC hardware and
software platforms.
1.1 Key Features
Key Features of LINDY CPU Switch
CPU 2 CPU 4 CPU
OSD
Control multiple PCs from a single keyboard, monitor and mouse. Yes Yes Yes Yes Yes
Control multiple PCs from a local and remote keyboard, monitor and mouse. No No Yes Yes Yes
On-screen menu allows computers to be selected by name. No No Yes Yes Yes
SmartBoot feature automatically boots all machines during power up. Yes Yes Yes Yes Yes
Duplicate control ports allow local and remote keyboard / monitor / mouse access. No No Yes Yes Yes
Mixed AT/PS2 keyboards and PS2/RS232 mice supported as standard. Yes Yes Yes Yes Yes
Can be cascaded to provide a video switching network. Yes Yes Yes Yes Yes
OVQ circuit ensures Optimum Video Quality even over extended distances. Yes Yes Yes Yes Yes
Password security prevents unauthorised use. Yes Yes Yes Yes Yes
Remote control module for convenient operation. No Yes Yes Yes No
Channel switching by on-screen display No No Yes Yes Yes
Channel switching by front panel key, keyboard hotkey, or button mouse. Yes Yes Yes Yes Yes
Automatically restores keyboard and mouse states when channel changed. Yes Yes Yes Yes Yes
Can be controlled remotely via an RS232 serial port. No Yes Yes Yes Yes
Supports high bandwidth monitors at resolutions up to 1600 x 1200. Yes Yes Yes Yes Yes
Includes screen saver, auto-scan and variable hotkey options. No No Yes Yes Yes
Confirmation of selected ports on local and cascaded LINDY CPU Switches. No No Yes Yes Yes
Supports keyboard modes 1,2 and 3 and mouse prompt and stream modes for
No No Yes Yes Yes
maximum compatibility.
CPU
4
OSD
CPU
8
16
OSD
1.2 Package contents
LINDY CPU 16
OSD Switch
LINDY CPU Switch. LINDY CPU Switch. LINDY CPU Switch. LINDY CPU Switch. LINDY CPU Switch.
Power supply suitable
for your country.
This installation guide. This installation guide. This installation guide. This installation guide. This installation guide.
6 x stick on selfadhesive rubber feet.
2 x mounting brackets
for fixing the unit into a
19 inch rack.
6 x screws for fixing
mounting brackets to
the LINDY CPU Switch.
Page 4 Installation & Use – English Guide LINDY ELECTRONICS LTD
LINDY CPU 8
OSD Switch
Power supply suitable
for your country.
6 x stick on selfadhesive rubber feet.
2 x mounting brackets
for fixing the unit into a
19 inch rack.
4 x screws for fixing
mounting brackets to
the LINDY CPU Switch.
LINDY CPU 4
OSD Switch
Power supply suitable
for your country.
6 x stick on selfadhesive rubber feet.
2 x mounting brackets
for fixing the unit into a
19 inch rack.
4 x screws for fixing
mounting brackets to
the LINDY CPU Switch.
LINDY CPU 4
Switch
Power supply suitable
for your country.
LINDY CPU 2
Switch
Power supply suitable
for your country.
1.3 Product information
Figure 1 - LINDY CPU Switch (2 port version supporting 2 PCs)
Figure 2 - LINDY CPU Switch (4 port version supporting 4 PCs)
LINDY ELECTRONICS LTD Installation & Use – English Guide Page 5
Figure 3 – LINDY CPU 4 OSD Switch Front & Rear views (4 port version supporting 4 PCs)
Page 6 Installation & Use – English Guide LINDY ELECTRONICS LTD
Figure 4 – LINDY CPU 8 OSD Switch Front & Rear views (8 port version supporting 8 PCs)
Figure 5 - Remote control pad / display
(Optional accessory not for use with the LINDY CPU 2 or LINDY CPU 16 OSD Switches)
LINDY ELECTRONICS LTD Installation & Use – English Guide Page 7
Figure 6 – LINDY CPU 16 OSD Switch Front & Rear views
(16 port version supporting 16 PCs)
Page 8 Installation & Use – English Guide LINDY ELECTRONICS LTD
2. Installation
2.1 What you will need
• Cables to connect the LINDY CPU Switch to each of your PC keyboard, video and mouse
ports. Cable specifications are given in appendix B. (You do not need to connect a mouse
cable if you are not using the mouse).
• A monitor with a standard VGA/SVGA (15 pin) connector that will work when connected directly
to each of your PCs. LINDY CPU Switch supports low and high resolution monitors.
• A standard AT or PS/2 style keyboard. If you are using an AT keyboard with a 5 pin connector
you may connect this to the LINDY CPU Switch using a standard AT to PS/2 keyboard adapter.
• A PS/2 style two or three button Microsoft
IntelliMouse compatible mouse. If you wish to use the mouse to switch the LINDY CPU
Switch’s channel then you will need a three button mouse or an IntelliMouse.
®
or Logitech
®
compatible mouse or a Microsoft®
(The LINDY CPU Switch supports ‘Internet Mice’ that are compatible with the Microsoft®
IntelliMouse. These are fitted with a wheel or other scroll control and sometimes have
additional buttons. Examples are: Microsoft® IntelliMouse, Logitech® Pilot Mouse+, Logitech®
MouseMan+, Genius® NetMouse and Genius® NetMouse Pro).
• A suitable mouse driver for your PCs. Supported types are:
• PS/2 or RS232 two button mouse driver (any manufacturer).
• Microsoft® mouse driver (including IntelliMouse).
• Logitech® mouse driver (including two button, three button and wheel mouse).
• Use of PS/2 and RS232 style mice with the LINDY CPU Switch - All of the mouse connections
from LINDY CPU Switch to PCs support either a PS/2 or an RS232 mouse. LINDY CPU Switch
automatically converts from the PS/2 mouse commands to RS232 serial mouse commands.
Serial mice types are selected by using an adapter as described in Appendix B. This adapter is
the same as is shipped with Microsoft® auto-sensing mice. The LINDY CPU Switch will operate
without a mouse connected if you do not wish to use one.
LINDY ELECTRONICS LTD Installation & Use – English Guide Page 9
2.2 Mounting the LINDY CPU Switch
LINDY CPU 2 & 4 Switches LINDY CPU 4 OSD, 8 OSD & 16 OSD Switches
The LINDY CPU Switch has been
designed to be used either on a
desktop or mounted close to the
computer system boxes which it is
serving. If the LINDY CPU Switch is
mounted away from the desktop, you
may find the optional remote control
keypad/display unit a useful
accessory (not for use with 2 port
version)
The LINDY CPU Switch has been designed to be used
either on a desktop or mounted in a 19 inch rack. If the
LINDY CPU Switch is to be used on a desktop then you
will need to stick the supplied self-adhesive rubber feet
to the underside of the LINDY CPU Switch. If the LINDY
CPU Switch is to be mounted in a 19 inch rack then you
will need to fit the rack mounting brackets to the side of
the LINDY CPU Switch. Do this using the brackets and
screws provided.
2.3 Connecting your devices
Ensure that the power is disconnected from the LINDY CPU Switch and all devices which are to be
attached.
LINDY CPU 2 & 4 Switches LINDY CPU 4 OSD, 8 OSD & 16 OSD Switches
Connect the shared keyboard,
PS/2 mouse and monitor to
the connectors at the front of
the LINDY CPU Switch (see
Figures 1 and 2).
Next connect each computer system unit in turn with the keyboard cable, mouse cable and video
cable. Any unused computer connections can be left unconnected. To connect computers with
serial mouse connections and AT style keyboard connections use the adapters supplied in the
cabling pack as shown below. Alternatively, if you have chosen not to purchase the cable pack,
refer to Appendix B for cable specifications.
Connect the shared keyboard, PS/2 mouse and monitor to the
connectors at the rear of the LINDY CPU Switch (see Figures
3, 4 and 6). You may connect your keyboard monitor and
mouse to control port A or B. If you are connecting two sets of
keyboards, monitors and mice then you do not need to use the
same brands or mix of devices on each control port. For
example, you may wish to use a two button PS/2 mouse on one
port and a Microsoft® IntelliMouse on the other.
Page 10 Installation & Use – English Guide LINDY ELECTRONICS LTD
The LINDY CPU Switch is now ready for connection to the mains using the mains power adapter
supplied. It is important to apply power to the LINDY CPU Switch first, then power on the monitor
and each of the computers in turn. Failure to switch the LINDY CPU Switch and computers on in
the correct order can lead to the mouse and/or keyboard not being recognised by the computers
when they are switched on.
2.4 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 emulates Microsoft® compatible serial, IntelliMouse and PS/2 mice, so
ensure that your PC software is configured for a Microsoft® mouse of the correct type. Refer to
the list of supported drivers in section 2.1.
• LINDY CPU Switch supports VGA/SVGA (XGA/XGA2 only supported by OSD models) 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.
2.5 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 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.
LINDY ELECTRONICS LTD Installation & Use – English Guide Page 11
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 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 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 2.6 for details.
Keyboard and mouse mode switching - The LINDY CPU Switch 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
channel is switched thus ensuring maximum software compatibility. The <NUM LOCK>, <CAPS
LOCK> and <SCROLL LOCK> states are an obvious example of this process.
2.6 Re-enabling a disconnected PS/2 mouse
If you disconnect the shared PS/2 mouse from the LINDY CPU Switch by accident during
operation then the mouse operation will be lost when the mouse is plugged back in. To avoid
having to reboot the entire system in this situation the LINDY CPU Switch is fitted with an
automatic mouse recovery system.
With the PS/2 mouse disconnected, change the channel using the keypad or keyboard hotkeys.
The LINDY CPU Switch detects that the mouse has been disconnected and triggers the automatic
recovery system. Plug in the PS/2 mouse and the LINDY CPU Switch will re-initialise it.
IMPORTANT NOTE
LINDY CPU 4 OSD, 8 OSD & 16 OSD Switches only
Alternatively you can reset the keyboards and mice by holding the SELECT and AUTO
keys down together for 5 seconds. A complete power off reset of the connected
keyboards and mice will then be performed. This function only resets the shared
keyboard and mice that are plugged into ports A and B. It does not affect the status of
any of the other ports on the switch or the CPU connections.
Page 12 Installation & Use – English Guide LINDY ELECTRONICS LTD
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