ATEN CE-252R Bedienungsanleitung
User Manual
CE-252R/L
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 CE-252L KVM Extender (Local Unit)
1 CE-252R KVM Extender (Remote Unit)
1 User Manual
1 User Guide
2 KVM Cables
2 Power Adapters
2 Rack Mount Kits
If anything is damaged or missing, contact your dealer.
Copyright ©2006 ATEN® International Co., Ltd.
Manual Part No. PAPE -1278 -100G
Printing Date: 09/2006
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.
CE252.fm Page 1 Friday, September 15, 2006 12:08 PM
Note: This equipment has been tested and found to
complywiththelimitsforaClassBdigitaldevice,pursuant
to Part 15 of the FCC Rules. These limits are designed to
provide reasonable protection against harmful
interference in a residential installation. This equipment
generates, uses and can radiate radio frequency energy,
and if not installed and used in accordance with the
instruction manual, may cause 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 which the receiver is connected;
Consult the dealer or an experienced radio/television
technician for help.
This product is RoHS compliant.
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OVERVIEW
The CE-252R/L offers local and remote access to your KVM
installation. Both (local and remote) KVM extenders support
PS/2 consoles and can be located up to 300 m (1000 feet) apart.
You can reliably manage a large number of computers via a KVM
switch. Additional computers can also be connected to the
remote KVM extender.
The CE-252R/L also features Automatic Gain Control, which
compensates signal strength as the distance between the local
and remote KVM extenders varies (over Cat 5 cables). This
translates into high resolution video (up to 2048 x 1536) at a
lower cost.
The CE-252R/L uses a custom ASIC to ensure the utmost
reliability and compatibility. This technology comprises automatic
distance sensing and signal strength (gain) adjustment.
Setup is easy - simply connect the computer system box (or KVM
switch) and Local Console to the CE-252 Local Unit; run a Cat. 5
cable to the CE-252 Remote Unit (up to 300 meters away); finally
plug the Remote Console into the Remote Unit.
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Features
Built-in ASIC for greater reliability and compatibility
Cat.5 cable to connect the local and remote units up to 300
meters apart
Dual console operation – control the system from both the
local and remote consoles
Push button selection – sequential selection between local
and auto mode
High resolution video – up to 1024 x 768 @ 60Hz, 300 meters
VGA, SVGA, and multisync monitor support
Local monitor supports DDC; DDC2; DDC2B
Two gain control modes provided for the sharpest video
quality – adjustable (manual) or automatic
Adjustable gain control – manually adjusts signal strength
Automatic gain control – automatically adjusts signal
strength
Easy to install – no software required – connecting cables to
the devices is all it takes
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System Requirements
Consoles
Two VGA, SVGA, or Multisync monitors capable of the
highest resolution that you will be using on any computer in
the installation
Two PS/2 style keyboards
Two PS/2 style mice
Note: If you connect a DDC type monitor to the Local Unit, the
monitor that connects to the Remote Unit must be able to
support the highest video resolution that the DDC monitor
can provide.
Computers
The following equipment must be installed on each computer
that is to be connected to the system:
A VGA, SVGA, or Multisync card
A 6-pin mini-DIN mouse port
A 6-pin mini-DIN Keyboard port
Cables
Although it is possible to use standard KVM cables to link
computers with PS/2 type keyboard and mouse ports to the
CE-252R/L, for optimal signal integrity ATEN recommends
using the KVM Cables provided with this package.
For best performance, use Category 5 (or better) cables to
connect the CE-252 Local and Remote Units.
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Hardware Overview
CE-252 Local Front View
#Description Function
1 CPU Port
(KVM Port)
Section
KVM cable connector
2 Local LED On: local console active
Off: remote console active
Flash: neither console active
3 Remote LED On: remote console active
Off: local console active
Flash: neither console active
4 Push Button Press to choose the operating mode:
Local: only local console controls system
Auto: both consoles control system
1 2 3 4
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CE-252 Remote Front View
#Description Function
1 CPU Port (KVM Port)
Section KVM cable connector
2 Manual Gain Control Use a flathead screwdriver or other similar object
to manually adjust the signal gain
3 Auto/Manual Gain
Selection Switch Auto: the unit automatically adjusts the signal gain
Manual: signal gain is set using the Manual Gain
Control
4 Hotkey Selection
Switch Select CTRL + CTRL or SCROLL LOCK +
SCROLL LOCK as the hotkey. (When changing
hotkey settings, you must disconnect and then
reconnect the Remote Unit's power adapter cable
for the new settings to take effect.)
5 Local LED On: remote console is accessing local PC or is
able to access local PC
Off: remote console is not accessing local PC
Flash: connection to the local PC failed
6 Remote LED On: remote console is accessing remote PC
Off: remote console is not accessing remote PC
1 2
3 4
5 6
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CE-252L / CE-252R Rear View
#Description Function
1 Power Jack The AC Power Adapter cable connects here
2 Keyboard/Mouse
Ports PS/2 ports for keyboard (purple) and mouse (green)
3 Remote I/O The Category 5 cable that connects the two units
plugs in here
4 Monitor Port The monitor connects to this port
1
4
3
2
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Hardware Installation
Before you Begin
Setting up the CE-252 is simply a matter of plugging in the
cables. Refer to the installation diagram on the following page
(the numbers in the diagram correspond to the numbered steps)
and do the following:
1. Connect the local console devices (mouse, keyboard and
monitor) to the ports on the rear of the Local Unit (CE-252L).
2. Plug the provided KVM cable into the appropriate connector
on the front of the CE-252L, then plug the connectors on the
other end of the KVM cable into the appropriate ports on the
computer system (or Console section of the KVM switch - if
you are using one).
Each connector is marked with an identifying icon.
3. Connect one end of a Category 5 twisted pair cable to the
Remote I/O port on the CE-252L, then plug the other end of
the Category 5 twisted pair cable into the Remote I/O port on
the CE-252R.
4. Connect one of the provided power adapters into an AC
source, then connect the adapter's power cable to the Power
Jack on the rear of the CE-252L.
1. Ensure that all equipment to be connected is pow-
ered off.
2. Make sure that all devices you will be connecting up
are properly grounded.
3. Unplug the power cords of any computers that have
the Keyboard Power On function.
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5. Connect the remote console devices (mouse, keyboard and
monitor) to the ports on the rear of the Remote Unit (CE-
252R).
6. Plug the provided KVM cable into the appropriate connector
on the front of the CE-252R, then plug the connectors on the
other end of the KVM cable into the appropriate ports on the
computer system (or Console section of the KVM switch - if
you are using one).
Each connector is marked with an identifying icon.
7. Connect the other provided power adapter into an AC source,
then connect the adapter's power cable to the Power Jack on
the CE-252R.
Installation Diagram
Local Front View Remote Front View
2
Local Rear View
3
4
1
1
Power
adapter
cable
Remote Rear View
7
5
5
KVM
cable
6
Cat. 5
cable
Local PC Remote P
C
CE252.fm Page 10 Friday, September 15, 2006 12:08 PM
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