ATEN CS231 Bedienungsanleitung

User Manual
CS-231
Read this guide thoroughly and follow the installation and
operation procedures carefully in order to prevent any damage to
the units and/or any devices that connect to them.
This package contains:
1 CS-231 Computer Sharing Device
1 USB KVM Cable
1 Power Adapter
1 Firmware Upgrade Cable
1 DIP Switch Sticker
1 User Manual
1 Quick Start Guide
If anything is damaged or missing, contact your dealer.
© Copyright 2005-2015 ATEN? International Co., Ltd.
Manual Part No. PAPE-1290-100G
ATEN and the ATEN logo are trademarks of ATEN International Co., Ltd. All rights
reserved. All other trademarks are the property of their respective owners.

EMC Information
FEDERAL COMMUNICATIONS COMMISSION INTERFERENCE
STATEMENT: This equipment has been tested and found to comply with
the limits for a Class B digital service, pursuant to Part 15 of the FCC rules.
These limits are designed to provide reasonable protection against harmful
interference in a residential installation. Any changes or modifications
made to this equipment may void the user’s authority to operate this
equipment. This equipment generates, uses, and can radiate radio
frequency energy. If not installed and used in accordance with the
instructions, may cause harmful interference to radio communications.
However, there is no guarantee that interference will not occur in a
particular installation. If this equipment does cause harmful interference to
radio or television reception, which can be determined by turning the
equipment off and on, the user is encouraged to try to correct the
interference by one or more of the following measures:
Reorient or relocate the receiving antenna.
Increase the separation between the equipment and receiver.
Connect the equipment into an outlet on a circuit different from that to which
the receiver is connected.
Consult the dealer or an experienced radio/TV technician for help.
FCC Caution: Any changes or modifications not expressly approved by
the party responsible for compliance could void the user's authority to
operate this equipment.
KCC Statement
유선 제품용 /B급 기기 (가정용 방송 통신 기기 )
이 기기는 가정용 (B 급)전자파적합기기로서 주로 가정에서 사용하는 것
을 목적으로 하며 ,모든 지역에서 사용할 수 있습니다 .
RoHS
This product is RoHS compliant.

- 3 -
Overview
The CS-231 is a powerful, micro-processor controlled computer
sharing device. It is a multi-user, single-tasking device that
enables two users to share the use of a single USB or PS/2
computer from two separate consoles (USB keyboard, USB
mouse, and monitor).
The CS-231 is ideal for small office and home office (SOHO)
environments. All programs, files and resources on the computer
can be easily accessed and shared by both users without the
bother and expense of setting up a costly network environment.
Features
Single computer shared by two USB consoles
Supports USB and PS/2 computers
Multiplatform support (Windows, Mac, Unix, and Linux)
Manual or Auto console selection
Control the system with Hotkeys
Firmware upgradable
Private Mode for a privileged user
Screen Saver function
Choose from four Timeout settings
Supports VGA, SVGA, and MultiSync monitors
No software required

- 4 -
System Requirements
Operating System
Microsoft®Windows®98SE, ME, 2000, XP, 2003 or later
Red Hat Linux 7.1, 7.2, 7.3, 8.0 or later
Mandriva Linux 9.0 or later
SUSE 8.2 or later
FreeBSD 4.2, 4.3, 4.5 or later
Netware 6.0 or later
Netware 5.0 (PS/2 computers only)
Mac OS 8.6, 9.0, 9.1, X, 10.1, 10.2, 10.3, 10.4 or later
Cables
Use ATEN's high-quality, custom cables to ensure reliable
switching among consoles. To purchase ATEN’s custom cables
contact your dealer.
Description Part Number
PS/2 KVM Cables 2L-5202P (1.8 m)
2L-5203P (3 m)
2L-5206P (6 m)
USB KVM Cables 2L-5201U (1.2 m)
2L-5202U (1.8 m)
2L-5203U (3 m)
2L-5205U (5 m)

- 5 -
CS-231 Front View
*In Auto Mode, when neither console is accessing the computer, both Console
LEDs are illuminated.
No. Component Description
1MANUAL/AUTO
Selection
Button
This button is used to switch between Manual and
Auto Modes. The default is Auto Mode. Repeatedly
pressing the button cycles through the modes in the
following order: Auto Mode -> Console 1 (Manual) ->
Console 2 (Manual) -> Auto Mode.
2 C1 LED* Lights when Console 1 accesses the computer.
Turns off when Console 2 accesses the computer.
3 C2 LED* Lights when Console 2 accesses the computer.
Turns off when Console 1 accesses the computer.
4 MANUAL LED Lights to indicate that the CS-231 is set to Manual
Mode. In Auto Mode the LED does not illuminate.
1
234

- 6 -
CS-231 Rear View
*The shape and pin assignment of this 15-pin SPHD connector has been
specifically modified so that only KVM cables designed to work with this switch
may be used. Do NOT attempt to use a cable with ordinary 15-pin VGA
connectors to link this port to the computer.
No. Component Description
1Firmware
Upgrade Port
The firmware upgrade cable connects here and to
the administrator's computer to upgrade the firmware
(see Firmware Upgrade, page 15).
2 DIP Switch This is a 4-pin DIP switch. Use it to set the Timeout,
Private Mode, and Screen Saver functions (see DIP
Switch Settings Table, page 11).
3 Reset Button Press this semi-recessed button to reset the system.
4 Console 2 Ports The cables from the VGA monitor and USB keyboard
and mouse of Console 2 plug in here.
5 Console 1 Ports The cables from the VGA monitor and USB keyboard
and mouse of Console 1 plug in here.
6 Power Jack The power adapter cable plugs in here.
7 PC Port* The 15-pin SPHD connector on the provided KVM
cable plugs in here. At the other end of the cable, the
HDB-15 and USB connector plug into the
corresponding ports on the computer. If the computer
does not have an available USB port, a KVM cable
with PS/2 keyboard and mouse connectors may be
purchased separately.
1 2 34
67
5

- 7 -
Installation
Installing your new CS-231 involves the following seven steps
(refer to the diagram on the following page):
1. Connect the 15-pin SPHD connector on the KVM cable to
the PC port on the CS-231.
2. Connect the VGA video connector on the KVM cable to the
VGA video output port on the computer. Plug the USB
connector into any available USB port.
3. Plug the keyboard, mouse and monitor for the console that
you want to designate as Console 1 into the Console 1 ports.
4. Plug the keyboard, mouse and monitor for the console that
you want to designate as Console 2 into the Console 2 ports.
5. Set the DIP switch (see DIP Switch Settings Table, page 11,
for details).
6. Plug the power adapter into an AC power source; plug the
power adapter cable into the power jack on the CS-231.
7. Power on the computer and monitors.
1. Make sure that power to all the devices you will be
connecting up has been turned off. You must
unplug the power cords of any computers that
have the Keyboard Power On function.
2. To prevent damage to your equipment, make sure
that all devices you will be connecting up are
properly grounded.

- 8 -
Installation Diagram:
1
2
3
4
5
6

- 9 -
Operation
There are two operation modes: Auto Mode and Manual Mode.
Auto Mode
Auto Mode operates according to the following rules:
1. When the CS-231 is turned on it starts in Auto Mode, and
operates on a first-come-first-served basis. Both Console
LEDs are On; the Manual LED is Off.
2. The first user to strike the keyboard or move the mouse
gains control of the computer. As soon as this occurs:
The Console LED that corresponds to the user's console
turns On.
The Console LED for the other console turns Off.
The CS-231 locks onto that user's console.
A message appears on the other user’s monitor indicating
that the system is in use. After 10 seconds, the message
disappears and the user can view the computer display. If
the user strikes the keyboard or moves the mouse, the
OSD message is displayed again.
The user who has control of the computer can prevent the
other user from viewing the computer display by entering
the following Hotkey combination:
[Num Lock]+[-],[D]
If the other user strikes the keyboard or moves the mouse,
a message appears indicating that the system is in use.
After 10 seconds, the message disappears and the
monitor displays a black background. If the user strikes the
keyboard or moves the mouse, the OSD message is
displayed again.
3. If the user who has access does not strike the keyboard or
move the mouse before the Timeout Period (set with DIP
switch pins 1 and 2) elapses:
The CS-231 unlocks from that user's console;
Then, the CS-231 switches to Auto Mode;

- 10 -
Both Console LEDs turn On;
The Manual LED is Off (since the CS-231 is in Auto Mode);
Either console may take control of the computer.
4. To terminate Auto Mode access, repeatedly press the
MANUAL/AUTO Button until the desired console controls the
device.
Timeout
In Auto Mode, the setting of DIP switch pins 1 and 2 determines
the amount of time that passes from the last input by the
controlling console to when the console lock is released. Refer to
the DIP Switch Settings Table, page 11, for the pin settings and
their corresponding Timeout lengths. (See page 9 for more
information about Auto Mode.)
Note: For best results, set the DIP switch pins BEFORE turning
on either the CS-231 or the computer.
Private Mode (Console 1)
Private Mode operates within Auto Mode. In Private Mode, the
Console 1 user can control the computer, while preventing the
Console 2 user from viewing and controlling the computer. The
Timeout Period does not apply in Private Mode.
To enter Private Mode:
1. Make sure that the device is in Auto Mode and that DIP
switch pin 3 is set to the On position.
2. Wait for the Timeout period to expire.
3. From the keyboard of Console 1, press the Shift key six
times within two seconds.
After the Timeout Period expires, Console 1 will display the
computer desktop and have control of the computer. A
message appears on the monitor of Console 2 indicating that
the system is in use. After 10 seconds, the message
disappears and the monitor displays a black background. If
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