IHSE GmbH
Maybachstrasse 11
88094 Oberteuringen
Germany
info@ihse.de
www.ihse.de
Tel. +49 7546-9248-0
Fax +49 7546-9248-48
User Manual
Edition: 2014-04-15
Draco
U-Switch
Model:
K476-4U
K476-8U
K476-4U2
Draco U-Switch
2 2014-04-15
Copyright
© 2014. All rights reserved. This information may not be reproduced in any
manner without the prior written consent of the manufacturer.
Information in this document is subject to change without notice.
Trademarks
All trademark and trade names mentioned in this document are
acknowledged to be the property of their respective owners.
Disclaimer
While every precaution has been taken during preparation of this manual,
the manufacturer assumes no liability for errors or omissions. Neither does
the manufacturer assume any liability for damages resulting from the use
of the information contained herein.
The manufacturer reserves the right to change specifications, functions, or
circuitry of the product without notice.
The manufacturer cannot accept liability for damage due to misuse of the
product or due to any other circumstances outside the manufacturer’s
control (whether environmental or installation related). The manufacturer
shall not be liable for any loss, damage, or injury arising directly, indirectly,
incidentally, or consequently from the use of this product.
Contents
2014-04-15 3
Contents
1 About This Manual ....................................................................... 5
1.1 Scope.................................................................................. 5
1.2 Validity ................................................................................ 5
1.3 Cautions and Notes ............................................................ 5
2 Safety Instructions....................................................................... 6
3 Description ................................................................................... 7
3.1 Application .......................................................................... 7
3.2 System Overview ................................................................ 8
3.3 Product Range .................................................................... 9
3.4 Upgrade Kits ....................................................................... 9
3.5 Accessories......................................................................... 9
3.6 Device Views .................................................................... 10
3.6.1 Model K476-4U ................................................... 10
3.6.2 Model K476-8U ................................................... 11
3.6.3 Model K476-4U2 ................................................. 12
3.7 Status LEDs ...................................................................... 14
4 Installation .................................................................................. 16
4.1 Package Contents............................................................. 16
4.2 System Setup.................................................................... 16
4.3 Example Applications........................................................ 17
5 Configuration.............................................................................. 19
5.1 Command Mode ............................................................... 19
5.2 External Display (optional) ................................................ 21
5.3 External Control (optional) ................................................ 21
6 Operation .................................................................................... 22
6.1 Switching a Source ........................................................... 22
6.1.1 Switching via Keyboard....................................... 22
6.1.2 Switching via Mouse (Panning)........................... 22
6.1.3 External Switching (optional)............................... 23
Draco U-Switch
4 2014-04-15
7 Specifications............................................................................. 24
7.1 Interfaces .......................................................................... 24
7.1.1 USB-HID ............................................................. 24
7.1.2 RJ10 / 4P4C........................................................ 25
7.2 Supported Peripherals ...................................................... 25
7.2.1 USB-HID Devices ............................................... 25
7.3 Connector Pinouts ............................................................ 26
7.4 Power Supply.................................................................... 27
7.5 Environmental Conditions ................................................. 27
7.6 Size................................................................................... 27
7.7 Shipping Weight................................................................ 27
7.8 MTBF ................................................................................ 28
8 Troubleshooting......................................................................... 29
8.1 USB-HID ........................................................................... 29
9 Technical Support ...................................................................... 30
9.1 Support Checklist.............................................................. 30
9.2 Shipping Checklist ............................................................ 30
10 Certificates.................................................................................. 31
10.1 CE Declaration Of Conformity........................................... 31
10.2 North American Regulatory Compliance........................... 32
10.3 WEEE ............................................................................... 32
10.4 RoHS/RoHS 2................................................................... 32
11 Glossary...................................................................................... 33
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About This Manual
2014-04-15 5
1 About This Manual
1.1 Scope
This manual describes how to install your U-Switch, how to operate it and
how to perform trouble shooting.
1.2 Validity
This manual is valid for all devices listed on the front page. The product
code is printed on the base of the devices.
1.3 Cautions and Notes
The following symbols are used in this manual:
This symbol indicates an important operating instruction that should be
followed to avoid any potential damage to hardware or property, loss of
data, or personal injury.
This symbol indicates important information to help you make the best use
of this product.
This symbol indicates best practice information to show recommended
and optimal ways to use this product in an efficient way.
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Draco U-Switch
6 2014-04-15
2 Safety Instructions
To ensure reliable and safe long-term operation of your U-Switch please
note the following guidelines:
Installation
Only use in dry, indoor environments.
The U-Switch and the power supply units can get warm. Do not
situate them in an enclosed space without any airflow.
Do not place the power supply directly on top of the device.
Do not obscure ventilation holes.
Only use power supplies originally supplied with the product or
manufacturer-approved replacements. Do not use a power supply if it
appears to be defective or has a damaged chassis.
Connect all power supplies to grounded outlets. In each case, ensure
that the ground connection is maintained from the outlet socket
through to the power supply's AC power input.
Do not connect the link interface to any other equipment, particularly
network or telecommunications equipment.
Take any required ESD precautions.
In order to disconnect the device completely from the electric circuit, all
power cables have to be removed.
Repair
Do not attempt to open or repair a power supply unit.
Do not attempt to open or repair the U-Switch. There are no user
serviceable parts inside.
Please contact your dealer or manufacturer if there is a fault.
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Description
2014-04-15 7
3 Description
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3.1 Application
The U-Switch is used to handle several sources (computer, CPU, KVM
Extender CON Units) and several monitors with one keyboard and mouse
set only.
The U-Switch is especially suitable for use with KVM switches and KVM
extenders of the Draco family.
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Draco U-Switch
8 2014-04-15
3.2 System Overview
The U-Switch is connected to the sources (computer, CPU, KVM extender
CON Units) by using the included cables.
Keyboard and mouse are also connected to the device.
1
2 3
1 Sources (computer, CPU, KVM Extender CON Units)
2 U-Switch
3 Keyboard, mouse
See Chapter
4.3, Page 17 for installation examples.
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Description
2014-04-15 9
3.3 Product Range
Model Description
K476-4U U-Switch 4 Port
K476-8U U-Switch 8 Port
K476-4U2 U-Switch for parallel switching of 2x4 ports
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3.4 Upgrade Kits
Model Description
455-8G 19"/1U rack mount kit to mount up to 2 devices
455-1K Mounting plate to mount by screws
455-2K Mounting plate to mount by snap on
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3.5 Accessories
Model Description
260-5U International power supply unit 100...240VAC / 5VDC / 4 A
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Draco U-Switch
10 2014-04-15
3.6 Device Views
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3.6.1 Model K476-4U
1
2
3
4
5 6 7 8 9 10 11 12
Rear View
1 Connect to RJ10 / 4P4C (Port 1)
2 To CPU 1: USB-HID
3 Connect to RJ10 / 4P4C (Port 2)
4 To CPU 2: USB-HID
5 Connect to RJ10 / 4P4C (Port 3)
6 To CPU 3: USB-HID
7 Connect to RJ10 / 4P4C (Port 4)
8 To CPU 4: USB-HID
9 Connect to USB-HID devices 1
10 Connect to USB-HID devices 2
11 Service port
12 Connect to 5VDC power supply
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Description
2014-04-15 11
3.6.2 Model K476-8U
1
13 14 15 16 17 18 19 20
2
3
4
5 6 7 8 9 10 11 12
Rear View
1 Connect to RJ10 / 4P4C (Port 1)
2 To CPU 1: USB-HID
3 Connect to RJ10 / 4P4C (Port 2)
4 To CPU 2: USB-HID
5 Connect to RJ10 / 4P4C (Port 3)
6 To CPU 3: USB-HID
7 Connect to RJ10 / 4P4C (Port 4)
8 To CPU 4: USB-HID
9 Connect to USB-HID devices 1
10 Connect to USB-HID devices 2
11 Service port
12 Connect to 5VDC power supply
13 Connect to RJ10 / 4P4C (Port 5)
14 To CPU 5: USB-HID
15 Connect to RJ10 / 4P4C (Port 6)
16 To CPU 6: USB-HID
17 Connect to RJ10 / 4P4C (Port 7)
18 To CPU 7: USB-HID
19 Connect to RJ10 / 4P4C (Port 8)
20 To CPU 8: USB-HID
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Draco U-Switch
12 2014-04-15
3.6.3 Model K476-4U2
1
13 14 15 16 17 18 19 20
2
3
4
5 6 7 8 9 10 11 12
21 22
Rear View
1 Connect to RJ10 / 4P4C (Port 1)
2 To CPU 1.1: USB-HID
3 Connect to RJ10 / 4P4C (Port 2)
4 To CPU 2.1: USB-HID
5 Connect to RJ10 / 4P4C (Port 3)
6 To CPU 3.1: USB-HID
7 Connect to RJ10 / 4P4C (Port 4)
8 To CPU 4.1: USB-HID
9 Connect to USB-HID devices 1
10 Connect to USB-HID devices 2
11 Service port
12 Connect to 5VDC power supply
13 Connect to RJ10 / 4P4C (Port 5)
14 To CPU 1.2: USB-HID
15 Connect to RJ10 / 4P4C (Port 6)
16 To CPU 2.2: USB-HID
17 Connect to RJ10 / 4P4C (Port 7)
18 To CPU 3.2: USB-HID
19 Connect to RJ10 / 4P4C (Port 8)
20 To CPU 4.2: USB-HID
21 Connect to USB-HID devices 3
22 Connect to USB-HID devices 4
Description
2014-04-15 13
The USB-B connectors 1.2–4.2 have to be connected to additional USBHID modules on extender site in order to allow parallel switching with
USB-B connectors 1.1–4.1.
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14 2014-04-15
3.7 Status LEDs
The U-Switch is fitted with a multi color LED on both sides for indication of
connection status:
12
Front View
Pos. LED Status Description
Off Device not ready 1
Status
(green)
On Device ready
Off Power supply not available 2
Power
(red)
On Power supply available
Description
2014-04-15 15
1
6 7 8 9
2
3
4
5
Rear View
Pos. LED Status Description
Off No connection to CPU 1 1
USB Status
CPU 1 (green)
On Connection to CPU 1
Off No connection to CPU 2 2
USB Status
CPU 2 (green)
On Connection to CPU 2
Off No connection to CPU 3 3
USB Status
CPU 3 (green)
On Connection to CPU 3
Off No connection to CPU 4 4
USB Status
CPU 4 (green)
On Connection CPU 4
Off Device not ready 5
Power
(red)
On Device ready
Off No connection to CPU 5 6
USB Status
CPU 5 (green)
On Connection to CPU 5
Off No connection to CPU 6 7
USB Status
CPU 6 (green)
On Connection to CPU 6
Off No connection to CPU 7 8
USB Status
CPU 7 (green)
On Connection to CPU 7
Off No connection to CPU 8 9
USB Status
CPU 8 (green)
On Connection to CPU 8
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Draco U-Switch
16 2014-04-15
4 Installation
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4.1 Package Contents
Your extender package contains the following items:
U-Switch
5VDC international power supply unit
German power cord
Quick Setup
4x USB cable (1.8 m, type A to type B)
Additional content for K476-8U / K476-4U2:
8x USB cable (1.8 m, type A to type B)
If anything is missing, contact your dealer.
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4.2 System Setup
First time users are recommended to setup the system with the CPU Unit
and the CON Unit in the same room as a test setup. This will allow you to
identify and solve any cabling problems, and experiment with your system
more conveniently.
1. Switch off all devices.
2. Connect the USB cables to the CPUs (CON Units) and to the USwitch.
3. Connect mouse and keyboard to the U-Switch.
4. Connect the 5VDC power supply with the U-Switch.
5. Power up the system.
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Installation
2014-04-15 17
4.3 Example Applications
This section illustrates typical installations of the U-Switch:
1
32 4
U-Switch (Direct CPU connection)
1 Source (computer, CPU)
2 Switch button (see Chapter
5.3, Page 21)
3 U-Switch
4 Keyboard, mouse
Draco U-Switch
18 2014-04-15
21
43 5
U-Switch (In combination with Draco KVM switch)
1 Draco KVM Switch
2 CON Units
3 Monitor LEDs (see Chapter
5.2, Page 21)
4 U-Switch
5 Keyboard, mouse
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Configuration
2014-04-15 19
5 Configuration
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5.1 Command Mode
The U-Switch has a Command Mode that allows several functions via
keyboard command during normal use.
To enter Command Mode use a 'Hot Key' sequence and to exit Command
Mode, press <Esc>. While in Command Mode, the LEDs Shift and Scroll
on the console keyboard will flash.
In Command Mode normal keyboard and mouse operation will cease.
Only selected keyboard commands are available.
If there is no keyboard command executed within 10 s after activating
Command Mode, it will be automatically deactivated.
The following table lists the keyboard commands to enter and to exit
Command Mode and to change the 'Hot Key' sequence:
Function Keyboard Command
Enter Command Mode
(default)
2x <Right Shift> (or 'Hot Key')
Exit Command Mode <Esc>
Change 'Hot Key' sequence <current 'Hot Key'>, <c>,
<new 'Hot Key' code>, <Enter>
Until 2011-30-09:
<Left Ctrl> + <Left Shift> + <c>,
<'Hot Key' Code>, <Enter>
<Key> + <Key> Press keys simultaneously
<Key>, <Key> Press keys successively
2x <Key> Press key quickly, twice in a row
(similar to a mouse double-click)
Draco U-Switch
20 2014-04-15
The 'Hot Key' sequence to enter Command Mode can be changed. The
following table lists the 'Hot Key' Codes for the available key sequences:
'Hot Key' Code 'Hot Key'
0 Freely selectable (2012-01-12)
2 2x <Scroll>
3 2x <Left Shift>
4 2x <Left Ctrl>
5 2x <Left Alt>
6 2x <Right Shift>
7 2x <Right Ctrl>
8 2x <Right Alt>
In a KVM switch configuration, choose different 'Hot Keys' for the
KVM Extender and the Draco U-Switch.
Set freely selectable 'Hot Key' (exemplary)
In order to set a freely selectable 'Hot Key' (e.g. 2x <Space>), use the
following keyboard sequence:
<current 'Hot Key'>, <c>, <0>, <Space>, <Enter>
Reset 'Hot Key'
In order to set a 'Hot Key' back to default settings of the extender, press
the key combination <Right Shift> + <Del> within 5 s after switching on the
CON unit or plugging in a keyboard.
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Configuration
2014-04-15 21
5.2 External Display (optional)
The U-Switch has a RJ10 interface at each USB-HID port for CPUs (see
Chapter 7.1.2, Page 25). It provides the current status of the port, e.g. for
control of a status LED.
5.3 External Control (optional)
The U-Switch has a RJ10 interface at each USB-HID port for CPUs (see
Chapter 7.1.2, Page 25). The current switching status can be changed by
a potential-free contact, e.g. by a button.
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Draco U-Switch
22 2014-04-15
6 Operation
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6.1 Switching a Source
6.1.1 Switching via Keyboard
From your console, you can switch via keyboard sequence between
different monitors.
1. Open Command Mode with the 'Hot Key' (see Chapter
5.1, Page 19).
2. Enter the number of the specific source or monitor and confirm with
<Enter>.
At the same time Command Mode is closed and the keyboard LEDs
return to previous status.
Keyboard and mouse are connected to the specified source or
monitor.
When using the numeric keypad for switching, a confirmation of the
switching operation by using the key <Enter> is not necessary.
6.1.2 Switching via Mouse (Panning)
When panning the mouse cursor beyond the border of the monitor, you
can switch from your console between different monitors that are in
vertical or horizontal position to each other.
Monitors that are only arranged horizontally (e. g. 4x1, 8x1) has to be
operated with the one-dimensional Multi-Screen mode. Monitors that are
arranged vertically and horizontally (e. g. 2x2, 4x2) has to be operated
with the two-dimensional Multi-Screen mode.
1. Activate the switching via mouse by executing the following keyboard
sequences:
– One-dimensional mode: 'Hot Key', <x>, <1>, <Enter>
– Two-dimensional mode: 'Hot Key', <x>, <2>, <Enter>
2. Move the mouse pointer beyond the border of the monitor to the
vertically or horizontally located monitor.
The switching operation will be immediately executed to the
connected source (computer, CPU) by passing over the mouse
pointer.
Operation
2014-04-15 23
3. Deactivate the switching via mouse by executing the following
keyboard sequence:
'Hot Key', <x>, <0>, <Enter>
An additional software for calibration and positioning of the mouse pointer
is not necessary.
6.1.3 External Switching (optional)
Optionally, you can connect a button with a RJ10 interface to switch to the
respective source or monitor.
The RJ10 interface is separately available for each USB-HID port with
CPU connection.
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7 Specifications
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7.1 Interfaces
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7.1.1 USB-HID
Our devices with USB-HID interface support a maximum of two devices
with USB-HID protocol. Each USB-HID port provides a maximum current
of 100 mA.
Keyboard
Compatible with most USB keyboards. Certain keyboards with additional
functions may require custom firmware to operate. Keyboards with an
integral USB Hub (Mac keyboards e.g.) are also supported.
Mouse
Compatible with most 2-button, 3-button and scroll mice.
Other USB-HID devices
The proprietary USB emulation also supports certain other USB-HID
devices, such as specific touch screens, graphic tablets, barcode
scanners or special keyboards. Support cannot be guaranteed, however,
for every USB-HID device.
Only two USB-HID devices are supported concurrently, such as keyboard
and mouse or keyboard and touch screen. A hub is allowed, but it does
not increase the number of HID devices allowed.
To support other USB 'non-HID' devices, such as scanners, web cams or
memory devices, choose our devices with transparent USB support.
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Specifications
2014-04-15 25
7.1.2 RJ10 / 4P4C
This interface is used to establish a customer specific communication with
the U-Switch.
External Status LED
For control of an external Status LED to show the status of the respective
port, please proceed as follows:
Connect the anode of your LED with pin 1 and the cathode with pin 2. Use
a suitable series resistor that you connect in series. The interface supplies
3.3 V output voltage with 15 mA max.
External Button
To control a port by an external button, please proceed as follows:
Use an NC (normally closed) contact as a switch. This contact has to
short-circuit pin 3 and pin 4 for switching.
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7.2 Supported Peripherals
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7.2.1 USB-HID Devices
The U-Switch will support most USB-HID devices, including the vast
majority of keyboards and mice currently on the market. Many other kinds
of HID devices such as bar-code scanners and touch screens may also be
compatible
It is not possible to guarantee support for all available USB-HID devices.
In certain cases, custom firmware may be required.
USB-HID (and other) devices that are not supported as standard will
normally operate with our devices featuring transparent USB support.
Please note that concurrent operation of more than two USB-HID devices
is not possible even if you use a USB hub.
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Draco U-Switch
26 2014-04-15
7.3 Connector Pinouts
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Connector USB Type B
Picture Pin Signal Color
1 VCC (+5VDC) Red
2 Data – White
3 Data + Green
132
4
4 GND Black
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Connector USB Type A
Picture Pin Signal Color
1 VCC (+5VDC) Red
2 Data – White
3 Data + Green
1
3
2 4
4 GND Black
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Connector Mini USB Type B
Picture Pin Signal Color
1 VCC (+5VDC) Red
2 Data – White
3 Data + Green
4 n.c. –
....5
1
5 GND Black
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RJ10 / 4P4C
Picture Pin Signal
1
LED +
2
LED –
3
Dry Contact
1..4
4
GND
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Specifications
2014-04-15 27
Power Supply
Picture Pin Signal
Inside VCC (+5VDC)
Outside GND
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7.4 Power Supply
Voltage
5 VDC
Power Requirement
K476-4U: max. 500 mA
K476-8U: max. 700 mA
K476-4U2: max. 700 mA
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7.5 Environmental Conditions
Operating Temperature
41 to 113°F (5 to 45°C)
Storage Temperature
–13 to 140°F (–25 to 60°C)
Relative Humidity
Max. 80% non-condensing
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7.6 Size
U-Switch 209 x 143 x 42 mm (8.2" x 5.6" x 1.7")
Shipping Box 280 x 180 x 130 mm (11.0" x 7.1" x 5.1")
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7.7 Shipping Weight
U-Switch
0.6 kg (1.3 lb)
Shipping Box
1.1 kg (2.4 lb)
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Draco U-Switch
28 2014-04-15
7.8 MTBF
The following table contains the mean time between failure (MTBF) in
power-on hours (POH). The estimate is based on the FIT rates of the
parts included. FIT rates are based on normalized environmental
conditions of T = 60°C and activation energy (Ea) of 0.7 eV. Calculations
are based on 90% confidence limit.
We estimate that inside the housing, temperature will be 15°C higher than
the ambient temperature. Therefore, the MTBF calculation refers to an
ambient temperature of 45°C. The humidity is limited to 60%.
4-Port U-Switch
487,000 POH
8-Port U-Switch
361,000 POH
2x 4-Port U-Switch
357,000 POH
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Troubleshooting
2014-04-15 29
8 Troubleshooting
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8.1 USB-HID
Diagnosis Possible Reason Measure
Keyboard LEDs
Shift and Scroll
are flashing
Keyboard in Command
Mode
Press <Esc> to leave Command
Mode.
No USB-HID device Connect USB-HID device.
USB device
without function
USB-HID device is not
supported
Check compatibility.
Contact dealer if necessary.
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Draco U-Switch
30 2014-04-15
9 Technical Support
Prior to contacting support please ensure you have read this manual, and
then installed and set-up your U-Switch as recommended.
9.1 Support Checklist
To efficiently handle your request it is necessary to complete our checklist
for support and problem cases (Download). Keep the following information
available before you call:
Company, name, phone number and email
Type and serial number of the device (see bottom of device)
Date and number of sales receipt, name of dealer if necessary
Issue date of the existing manual
Nature, circumstances and duration of the problem
Involved components (such as graphic source/CPU, OS, graphic
card, monitor, USB-HID/USB 2.0 devices, interconnect cable)
including manufacturer and model number
Results from any testing you have done
9.2 Shipping Checklist
1. To return your device, contact your dealer to obtain a RMA number
(Return-Material-Authorization).
2. Package your devices carefully, preferably using the original box.
Add all pieces which you received originally.
3. Note your RMA number visibly on your shipment.
Devices that are sent in without a RMA number cannot be accepted. The
shipment will be sent back without being opened, postage unpaid.
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Certificates
2014-04-15 31
10 Certificates
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10.1 CE Declaration Of Conformity
The products listed below in the form as delivered comply with the
provisions of the following European Directives:
2004/108/EG Council Directive on the approximation of the laws of
the Member States relating to electromagnetic
compatibility
CE Marking 2009
Product list:
K476-4U, K476-8U K476-4U2
The products comply with the following harmonized standards for
Information Technology Equipment:
EN 55022:2006 + A1:2007 (Class A)
EN 55024:1998 + A1:2001 + A2:2003
This declaration certifies the conformity to the specified directives but
contains no assurance of properties. The safety instructions and
installation guidelines noted in this manual shall be considered in detail.
Compliance with the specifications for cable lengths and types is
mandatory.
Manufacturer:
IHSE GmbH
Maybachstrasse 11
88094 Oberteuringen
Deutschland
Oberteuringen, 26 January 2010
The Management
Use in a Domestic Environment
This is a Class A product. In a domestic environment, this product may
cause radio interference in which case the user may be required to take
adequate measures.
Draco U-Switch
32 2014-04-15
10.2 North American Regulatory Compliance
This equipment has been found to comply with the limits for a Class A
digital device, pursuant to Part 15 of the FCC Rules. These limits are
designed to provide reasonable protection against harmful interference
when the equipment is operated in a commercial environment. This
equipment generates, uses, and can radiate radio frequency energy and,
if not installed and used in accordance with the instruction manual, may
cause harmful interference to radio communications. Operation of this
equipment in a residential area is likely to cause harmful interference in
which case the user will be required to correct the interference at his own
expense.
Changes or modifications not expressly approved by the party responsible
for compliance could void the user’s authority to operate the equipment.
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.
All power supplies are certified to the relevant major international safety
standards.
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10.3 WEEE
The manufacturer complies with the EU Directive 2012/19/EU on the
prevention of waste electrical and electronic equipment (WEEE).
The device labels carry a respective marking.
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10.4 RoHS/RoHS 2
This device complies with the Directive 2011/65/EU of the European
Parliament and of the council of 8 June 2011 on the restriction of the use
of certain hazardous substances in electrical and electronic equipment
(RoHS 2, RoHS II).
The device labels carry a respective marking.
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Glossary
2014-04-15 33
11 Glossary
The following terms are commonly used in this guide or in video and KVM
technology:
Term Explanation
AES/EBU
Digital audio standard that is officially known as
AES3 and that is used for carrying digital audio
signals between devices.
Cat X Any Cat 5e (Cat 6, Cat 7) cable
CGA
The Color Graphics Adapter (CGA) is an old analog
graphic standard with up to 16 displayable colors and
a maximum resolution of 640x400 pixels.
Component
Video
The Component Video (YPbPr) is a high-quality
video standard that consists of three independently
and separately transmittable video signals, the
luminance signal and two color difference signals.
Composite Video
The Composite Video is also called CVBS and it is
part of the PAL TV standard.
CON Unit
Component of a U-Switch or Media Extender to
connect to the console (monitor(s), keyboard and
mouse; optionally also with USB 2.0 devices)
Console Keyboard, mouse and monitor
CPU Unit
Component of a U-Switch or Media Extender to
connect to a source (computer, CPU)
CVBS
The analog color video baseband signal (CVBS) is
also called Composite Video and it is part of the PAL
TV standard.
DDC
The Display Data Channel (DDC) is a serial
communication interface between monitor and
source (computer, CPU). It allows a data exchange
via monitor cable and an automatic installation and
configuration of a monitor driver by the operating
system.
Dual Access
A system to operate a source (computer, CPU) from
two consoles
Dual Link
A DVI-D interface for resolutions up to 2560x2048 by
signal transmission of up to 330 MPixel/s (24-bit)
Dual-Head A system with two video connections
Draco U-Switch
34 2014-04-15
Term Explanation
DVI
Digital video standard, introduced by the Digital
Display Working Group (http://www.ddwg.org
). Single
Link and Dual Link standard are distinguished. The
signals have TMDS level.
DVI-I
A combined signal (digital and analog) that allows
running a VGA monitor at a DVI-I port – in contrast to
DVI-D (see DVI).
EGA
The Enhanced Graphics Adapter (EGA) is an old
analog graphic standard, introduced by IBM in 1984.
A D-Sub 9 connector is used for connection.
Fiber Single-mode or multi-mode fiber cables
HDMI
An interface for an all-digital transmission of audio
and video data. It is differentiated between the HDMI
standards 1.0 to 1.4a.
The signals have TMDS level.
KVM Keyboard, video and mouse
Mini-XLR
Industrial standard for electrical plug connections
(3 pole) for the transmission of digital audio and
control signals
Multi-mode
62.5µ multi-mode fiber cable or 50µ multi-mode fiber
cable
OSD
The On-Screen-Display is used to display information
or to operate a device.
Quad-Head A system with four video connections
RCA (Cinch)
A not standardized plug connection for transmission
of electrical audio and video signals, especially with
coaxial cables
S/PDIF
A digital audio interconnect that is used in consumer
audio equipment over relatively short distances.
SFP
SFPs (Small Form Factor Pluggable) are pluggable
interface modules for Gigabit connections. SFP
modules are available for Cat X and fiber
interconnect cables.
Single Link
A DVI-D interface for resolutions up to 1920x1200 by
signal transmission of up to 165 MPixel/s (24-bit).
Alternative frequencies are Full HD (1080p), 2K HD
(2048x1080) and 2048x1152.
Single-Head A system with one video connection
Single-mode 9µ single-mode fiber cable
Glossary
2014-04-15 35
Term Explanation
S-Video (Y/C)
The S-Video (Y/C) is a video format transmitting
luminance and chrominance signals separately.
Thereby it has a higher quality standard than CVBS.
TOSLINK
Standardized fiber connection system for digital
transmission of audio signals (F05 plug connection)
Triple-Head A system with three video connections
USB-HID
USB-HID devices (Human Interface Device) allow for
data input.
There is no need for a special driver during
installation; "New USB-HID device found" is reported.
Typical HID devices include keyboards, mice,
graphics tablets and touch screens. Storage, video
and audio devices are not HID.
VGA
Video Graphics Array (VGA) is a computer graphics
standard with a typical resolution of 640x480 pixels
and up to 262,144 colors. It can be seen as a
follower of the graphics standards MDA, CGA and
EGA.
=== Ende der Liste für Textmarke Inhalt ===
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