Draco CPU Switch User Manual

Draco CPU Switch User Manual
Draco
484 Series
CPU Switch
User Manual
Edition: 2017-03-31
IHSE GmbH  Maybachstraße 11  88094 Oberteuringen  Germany
info@ihse.com  www.ihse.com  phone: +49 7546-9248-0  fax: +49 7546-9248-48
Draco CPU Switch
Copyright
© 2017. 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. The
manufacturer assumes no 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.
2
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Contents
Contents
1
About This Manual ....................................................................... 6
1.1
Scope .................................................................................. 6
1.2
Validity ................................................................................ 6
1.3
Cautions and Notes ............................................................ 6
2
Safety Instructions ....................................................................... 7
3
Description ................................................................................... 8
3.1
Application .......................................................................... 8
3.2
System Overview ................................................................ 9
3.3
Product Range .................................................................. 10
3.4
Upgrade Kits ..................................................................... 10
3.5
Accessories ....................................................................... 10
3.6
Device Views .................................................................... 11
3.7
4
5
6
Model L484-8VHCWR, -8VECWR ...................... 11
3.6.2
Model L484-8VHSWR, -8VESWR ...................... 12
Status LEDs ...................................................................... 13
Installation .................................................................................. 15
4.1
Package Contents ............................................................. 15
4.2
System Setup .................................................................... 15
4.3
Example Applications ........................................................ 16
Configuration .............................................................................. 17
5.1
Command Mode ............................................................... 17
5.2
Control via Keyboard......................................................... 18
5.3
On Screen Display (OSD) ................................................. 20
5.3.1
Main Menu Item 'Color Settings' ......................... 21
5.3.2
Main Menu Item 'Picture Settings' ....................... 23
5.3.3
Main Menu Item 'Input Settings' .......................... 26
5.3.4
Main Menu Item 'Output Settings' ....................... 27
5.3.5
Main Menu Item 'General Settings' ..................... 29
Operation .................................................................................... 33
6.1
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3.6.1
Optimization of Picture Settings ........................................ 33
3
Draco CPU Switch
6.2
6.3
7
7.2
9
4
Optimization of Output Settings .......................... 33
6.1.2
Optimization of Input Settings ............................. 34
6.1.3
Optimization of Picture Settings .......................... 35
Download of DDC Information .......................................... 35
6.2.1
Download of DDC via Keyboard ......................... 36
6.2.2
Download of DDC via OSD ................................. 36
6.2.3
Further DDC settings .......................................... 37
Shared Operation .............................................................. 37
Specifications ............................................................................. 39
7.1
8
6.1.1
Interfaces .......................................................................... 39
7.1.1
VGA .................................................................... 39
7.1.2
USB-HID ............................................................. 39
7.1.3
USB 2.0 (transparent) ......................................... 39
7.1.4
Analog Audio Interface ........................................ 40
7.1.5
RJ45 (Interconnect) ............................................ 40
7.1.6
Fiber SFP Type LC (Interconnect) ...................... 41
Interconnect Cable ............................................................ 41
7.2.1
Cat X ................................................................... 41
7.2.2
Fiber .................................................................... 42
7.3
Connector Pinouts ............................................................ 43
7.4
Power Supply .................................................................... 45
7.5
Environmental Conditions ................................................. 45
7.6
Size ................................................................................... 45
7.7
Shipping weight ................................................................. 45
Troubleshooting ......................................................................... 46
8.1
Blank Screen ..................................................................... 46
8.2
Picture ............................................................................... 47
8.3
USB-HID ........................................................................... 48
8.4
Analog Audio ..................................................................... 49
Technical Support ...................................................................... 50
9.1
Support Checklist .............................................................. 50
9.2
Shipping Checklist ............................................................ 50
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Contents
10
11
Certificates .................................................................................. 51
10.1
CE Declaration Of Conformity ........................................... 51
10.2
North American Regulatory Compliance ........................... 52
10.3
WEEE ............................................................................... 52
10.4
RoHS/RoHS 2 ................................................................... 53
Glossary ...................................................................................... 54
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5
Draco CPU Switch
1
About This Manual
1.1
Scope
This manual describes how to install your CPU 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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Safety Instructions
2
Safety Instructions
To ensure reliable and safe long-term operation of your CPU Switch
please note the following guidelines:
Installation
 Only use in dry, indoor environments.
 Only use the device according to this User Manual. Failure to follow
these procedures could result in damage to the equipment or injury to
the user or installer.
 The CPU Switch and the power supply units can get warm. Do not
install components 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 CPU Switch. There are no user
serviceable parts inside.
 Please contact your dealer or manufacturer if there is a fault.
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Draco CPU Switch
3
Description
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3.1
Application
The CPU Switch is used to convert and extend video signals of one or
more VGA sources (computer, CPU) into the DVI-D format. The device
functions like a CPU Unit of a KVM extender.
The CPU Switch can be used as a switch between concurrently available
input signals.
Next to the video signal, USB-HID and analogue audio signals can be also
switched and extended.
The CPU Switch can further be used as a scaler, scaling video signals to
a specific output format.
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Description
3.2
System Overview
The input ports of the CPU Switch are connected to the video source(s)
(computer, CPU), using the provided cables or other suitable cables.
The DVI-D monitor is connected to the output of the CON Unit.
System Overview
1
VGA Sources (computer, CPU)
2
CPU Switch (as CPU Unit)
3
KVM extender CON Unit
4
Console (monitor, keyboard, mouse)
See Chapter 4.3, Page 16 for installation examples.
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Draco CPU Switch
3.3
Product Range
Model
Description
L4848VHCWR
8 port CPU Switch as a KVM extender CPU Unit with
integrated analog/digital conversion (up to 1920x1200)
and redundant connector for interconnect cables (Cat X),
USB-HID, local USB 2.0 (High-Speed), Analog Audio
L4848VHSWR
8 port CPU Switch as a KVM extender CPU Unit with
integrated analog/digital conversion (up to 1920x1200)
and redundant connector for interconnect cables (fiber),
USB-HID, local USB 2.0 (High-Speed), Analog Audio
L4848VECWR
8 port CPU Switch as a KVM extender CPU Unit with
integrated analog/digital conversion (up to 1920x1200)
and redundant connector for interconnect cables (Cat X),
USB-HID, USB 2.0 embedded, local USB 2.0 (HighSpeed), Analog Audio
L4848VESWR
8 port CPU Switch as a KVM extender CPU Unit with
integrated analog/digital conversion (up to 1920x1200)
and redundant connector for interconnect cables (fiber),
USB-HID, USB 2.0 embedded, local USB 2.0 (HighSpeed), Analog Audio
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3.4
Upgrade Kits
Model
Description
474-6RMK
19"/1U rack mount kit for CPU Switch
The CPU Switch and the provided power supply units can get warm, for
this reason an installation in closed rooms without air circulation is not
allowed. Please note that you will need at least 0,5 U (height unit) for the
ventilation above the extenders, if you mount them into racks.
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3.5
Accessories
Model
Description
261-6J
VGA cable 2.0 m (VGA male to VGA male)
247-U1
USB cable 1.8 m (Type A to B)
455-CK
Stereo jack cable 1.6 m (3.5 mm Stereo)
474-IECLOCK
IEC connection cable for power supply, lockable
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Description
3.6
Device Views
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3.6.1
Model L484-8VHCWR, -8VECWR
Rear View
1
To CPU 1: VGA (accordingly CPU #2-8)
2
Connect to interconnect cable 1
3
Connect to interconnect cable 2 (redundancy)
4
Connect to power supply 1
5
Connect to power supply 2 (redundancy)
6
To CPU 1: Audio IN (accordingly CPU #2-8)
7
To CPU 1: Audio OUT (accordingly CPU #2-8)
8
To CPU 1: USB (accordingly CPU #2-8)
9
Connect to USB 2.0 devices
10 Service port
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11
Draco CPU Switch
3.6.2
Model L484-8VHSWR, -8VESWR
Rear View
1
To CPU 1: VGA (accordingly CPU #2-8)
2
Connect to interconnect cable 1
3
Connect to interconnect cable 2 (redundancy)
4
Connect to power supply 1
5
Connect to power supply 2 (redundancy)
6
To CPU 1: Audio IN (accordingly CPU #2-8)
7
To CPU 1: Audio OUT (accordingly CPU #2-8)
8
To CPU 1: USB (accordingly CPU #2-8)
9
Connect to USB 2.0 devices
10 Service port
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Description
3.7
Status LEDs
The CPU Switch is fitted with a multi-color LED for indication of the
connection status:
Model L484-8VHCWR, -8VECWR
Rear View
Model L484-8VHSWR, -8VESWR
Rear View
LED 1: Switching Status
Pos. LED
1
Input LED
(green)
Status
Description
Off
Connection not available
On
Video signal available
Flashing
rapidly
Channel selected, no video signal
available
Flashing
slowly
Channel selected, video signal available
LED 2 and 3: Connection Status
Pos. LED
2
3
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Status
Description
Failure LED Off
(green)
On or
Flashing
Connection available
Status LED
(green)
Flashing
No connection via interconnect cable
On
Connection available
Connection failure (flashing for about
20 s following a connection failure)
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Draco CPU Switch
LED 5 and 7: USB and Video Status (Link 1/2)
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LED color
Description
Red
Device ready
Violet
Connection and USB signal (connection to extender)
available
Green
Connection and video signal available
Light
Blue
Connection, USB and video signal available
(operating condition)
LED 4 and 6: Power Supply Unit Status
Pos. LED
4
6
Status
Description
Status
PSU 2
(green)
On
Operating condition
Off
Power supply unit off
Status
PSU 1
(green)
On
Operating condition
Off
Power supply unit off
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Installation
4
Installation
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4.1
Package Contents
Your CPU Switch package contains the following items:

CPU Switch device

2x Country specific power cord

Quick Setup

1x VGA cable (2.0 m, VGA connector to VGA connector)

1x USB cable (1.8 m, type A to type B)

2x Stereo jack cable (1.6 m, 3.5 mm male connector)
If anything is missing, contact your dealer.
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4.2
System Setup
First time users are recommended to setup the device in the same room
as a test setup. This will allow you to identify and solve any cabling
problems, and to experiment with your system more conveniently.
 Please verify that interconnect cables, interfaces and handling of the
devices comply with the requirements (see Chapter 7, Page 39).
1.
Switch off all devices.
2.
Connect the CPU Switch to either a KVM extender CON Unit or a
KVM matrix via the interconnect cable(s).
3.
Connect the sources (computer, CPU) to the CPU Switch using the
provided cables. Please ensure the cables are not strained.
4.
Connect at least one provided power cord to the CPU Switch.
5.
Power up the system.
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Draco CPU Switch
4.3
Example Applications
This section illustrates typical installations of CPU Switches:
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CPU Switch
1
VGA sources (Computer, CPU)
2
CPU Switch (as CPU Unit)
3
KVM matrix (optional)
4
KVM extender CON Unit
5
Console (monitor, keyboard, mouse)
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Configuration
5
Configuration
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5.1
Command Mode
The CPU 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 no keyboard command is 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 <Left 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>
<Key>, <Key>
2x <Key>
2017-03-31
Press keys simultaneously
Press keys successively
Press key quickly, twice in a row
(similar to a mouse double-click)
17
Draco CPU Switch
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 CPU 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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5.2
Control via Keyboard
The CPU Switch connected to a KVM extender KVM extender CON Unit
offers the possibility for control via keyboard.
For this purpose the CPU Switch is equipped with its own Command
Mode that can be used to activate various functions by keyboard
commands and to control the integrated On-screen Display (OSD).
The Command Mode is entered by a keyboard sequence ('Hot Key') and
can be closed using the key <Esc>. When Command Mode is activated,
the keyboard LEDs Shift and Scroll are flashing.
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Configuration
Direct Control
The following table contains the keyboard commands for opening and
closing the Command Mode and for direct control of various converter
functions.
Function
Keyboard Command
Activate Command Mode (default)
2x <Left Shift> (or 'Hot Key'), <v>
Exit Command Mode
<Left Shift> + <Esc>
Configure video settings
automatically (only with VGA /
RGB / EGA input)
2x <Left Shift>, <v>, <a>
Switch to port 1
2x <Left Shift>, <v>, <1>, <Enter>
Switch to port 2
2x <Left Shift>, <v>, <2>, <Enter>
Switch to port 3
2x <Left Shift>, <v>, <3>, <Enter>
Switch to port 4
2x <Left Shift>, <v>, <4>, <Enter>
Switch to port 5
2x <Left Shift>, <v>, <5>, <Enter>
Switch to port 6
2x <Left Shift>, <v>, <6>, <Enter>
Switch to port 7
2x <Left Shift>, <v>, <7>, <Enter>
Switch to port 8
2x <Left Shift>, <v>, <8>, <Enter>
OSD Control
The following table contains the keyboard commands for entering and
exiting the OSD and for navigation and configuration.
Function
Keyboard Command
Open OSD window
2x <Left Shift>, <v>, <o>
Close OSD window
<Esc>
Navigation down in the menu
<Cursor down>
Navigation up in the menu
<Cursor up>
Menu selection
<Enter>
Leave sub menu
<Backspace>
Change of settings in sub menus
or selection of parameter values
<Cursor right> or <Cursor left>
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Draco CPU Switch
5.3
On Screen Display (OSD)
All settings of the CPU Switch can be adjusted via the on screen display
(OSD).
General Structure of the OSD:
The left column shows the range of the main menu, the right column
shows the current submenus with the respective configuration options.
The various configuration and setting options of the CPU Switch are
described below:
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Configuration
5.3.1
Main Menu Item 'Color Settings'
This menu offers color specific settings and configurations for the CPU
Switch.
Menu View 'Color Settings'
Menu Item
Description
Brightness
Adjust brightness of the picture
Contrast
Adjust contrast of the picture
Hue
Change and adjust hue of the picture
(only selectable for video input signals).
Saturation
Adjust saturation of the picture
(only selectable for video input signals).
Sharpness
Adjust sharpness of the picture
Color
Open submenu 'Color' (see Chapter 5.3.1.1,
Page 22).
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21
Draco CPU Switch
5.3.1.1 Submenu 'Color'
This submenu offers advanced color settings for the picture (VGA / RGB /
EGA input only).
Menu View 'Color'
22
Menu Item
Description
Auto Color
Adjust color values automatically
Color Temperature
Adjust color temperature of the picture
sRGB
Activate the use of the standard RGB color range
(Color optimization for tube monitors).
Red
Adjust red color range
Green
Adjust green color range
Blue
Adjust blue color range
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Configuration
5.3.2
Main Menu Item 'Picture Settings'
This menu offers specific picture settings at the CPU Switch.
Menu View 'Picture Settings'
Menu Item
Description
Auto Configuration
Configure picture settings automatically
(VGA / RGB / EGA input only).
Phase
Adjust pixel phase i.e. the best position for the
analog / digital conversion within one pixel
(VGA / RGB / EGA input only).
Example for incorrect pixel phase
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23
Draco CPU Switch
Menu Item
Description
Clock
Adjust pixel clock. The pixel clock shows the
maximum number of the pixels that are horizontally
displayable. Non-visible and inactive pixels are
counted in (VGA / RGB / EGA input only).
Example for a wrong pixel clock.
24
Width
Adjust width of the picture with the number of
pixels.
Height
Adjust height of the picture with the number of
pixels.
Display Control
Open submenu 'Display Control' (see
Chapter 5.3.2.1, Page 25).
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Configuration
5.3.2.1 Submenu 'Display Control'
This submenu offers control options for the display of the picture.
Menu View 'Display Control'
Menu Item
Description
Display Image
Select display option:

'Auto': Scale picture automatically to the
maximum value

'Aspect': Adjust aspect ratio manually

'1:1': Show picture in original size with a black
border

'Panoramic': Scale picture to a non-linear
value (only if there is video input)
Aspect Ratio
Select aspect ratio:
'Auto', '4:3', '14:9', '16:9' or '>16:9'
(only if 'Display Image' is set to 'Aspect Ratio').
Zoom
Zoom picture and determine position of
enlargement (not available in combination with
onboard DVI-I extenders).
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25
Draco CPU Switch
5.3.3
Main Menu Item 'Input Settings'
This menu offers specific settings for Media- / DVIConverter inputs.CPU
Switch.
Menu View 'Input Settings'
Menu Item
Description
Input Select
Select input signal
Channel


26
For CVBS input signal:
Select Composite channel.
For EGA input:
Select EGA, CGA or MDA input signal.
Select Resolution
Select video mode compatible to input signal
(see Chapter 7, Page 39for supported video
modes).
Save settings by leaving the menu (monitor goes
blank for a short time).
Sync Options
Select type of synchronization of the RBG signal.
The type depends from the incoming RGB signal.

'Auto': Automatic adjustment

'Composite (CS)' or 'Sync On Green (SOG)':
Manual adjustment in case of picture failures
(VGA / RGB input only)
Video Input
Display of selected video mode
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Configuration
5.3.4
Main Menu Item 'Output Settings'
This menu offers specific settings for the output of the CPU Switch.
Menu View 'Output Settings'
Menu Item
Description
Output
Select output resolution:

'DDC': Use preferred resolution of the
monitor's DDC at the output

'Select': Select from predefined output
resolutions in the menu item 'Resolution'

'1:1': Use input resolution as output resolution
Note:
The option "DDC" is not available in onboard DVI-I
extenders.
Resolution
If 'Output' is set to 'Select': Select from predefined
output resolutions.
A higher resolution can be selected at any time. If
you select a lower resolution, the number of output
pixels needs to comply with the following rule:

Horizontally: At least 50%

Vertically: At least 33%
(Not available with onboard DVI-I extenders.)
Display Position
Adjust position of picture manually
Video Output
Display of the selected output resolution
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27
Draco CPU Switch



28
Graphic contents with up to 2 mega pixels are scalable (1920x1080).
For the scaling of the 1920x1200 resolution, restrictions apply and the
video will be transmitted 1:1, if applicable.
If you scale resolutions of 1280x1024 or higher, there will be a
reduction of color depth to 16 bit YCbCr.
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Configuration
5.3.5
Main Menu Item 'General Settings'
This menu offers general settings for the CPU Switch.
Menu View 'General Settings'
Menu Item
Description
DDC
Open submenu 'DDC' (see Chapter 5.3.5.1,
Page 30).
Miscellaneous
Open submenu 'Miscellaneous' (see
Chapter 5.3.5.2, Page 31).
Device Address
Assign device ID.
The device ID clearly identifies the device for the
infrared remote control so that settings can be
made for a specific device only.
Manage Settings
Write the existing device settings on the internal
memory of the CPU Switch ('Save'). These settings
can be loaded again if required ('Load'), e.g. after a
firmware update.
T-Adjust
Compensate picture failures due to device
temperature
Save device settings if you have made extensive settings or if you want to
perform a firmware update.
2017-03-31
29
Draco CPU Switch
5.3.5.1 Submenu 'DDC'
This submenu offers DDC specific settings. DDC information is relevant to
output settings for computer or CPU connection.
Menu View 'DDC'
Menu Item
Description
Read DDC
Use the monitor DDC as the device DDC and save
it as DVI or VGA DDC.
Change DDC
Save the device DDC as DVI or VGA DDC
Factory DDC
Use default DDC 'VGA2DVI' as device DDC
MON:
Display of name and type of monitor DDC
DEV:
Display of name and type of the device's DDC that
is provided at the DVI-I input by the CPU Switch.
When saving the DDC as DVI or VGA DDC, the selected type of DDC
must match the video signal of the source (VGA or DVI) (see
Chapter 5.3.3, Page 26: Menu item 'Input Select').
30
2017-03-31
Configuration
5.3.5.2 Submenu 'Miscellaneous'
This submenu offers various device specific settings.
Menu View 'Miscellaneous'
Menu Item
Description
Auto Adjust
Activate or deactivate the automatic configuration
of picture settings after changing the video mode.
Refresh Rate
Change refresh rate if output is set to 'DDC'.
Video Processing
Not used
VBI Processing
Not used
OSD Configuration
Configure OSD display on screen.
Factory Reset
Reset device to factory default (confirmation dialog)
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31
Draco CPU Switch
Submenu 'OSD Configuration'
This submenu offers various settings for the OSD display.
Menu View 'OSD Configuration'
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Menu Item
Description
OSD Timer
Activate and select time of inactivity after which
OSD is closed automatically.
OSD Position
Adjust vertical and horizontal OSD position on
screen.
OSD Transparency Adjust OSD transparency
OSD Zoom
Activate scaling of OSD display
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32
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Operation
6
Operation
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6.1
Optimization of Picture Settings
All common video modes are pre-installed in an internal table of the CPU
Switch. If the input signal corresponds to one of these video modes, the
signal will be automatically detected and the picture will be displayed.
If picture quality is not an optimal or no picture is displayed, proceed as
follows:
1.
Optimize the output settings (see Chapter 6.1.1, Page 33). Thus, the
picture display will be adapted to the properties of the monitor.
2.
Optimize the input settings (see Chapter 6.1.2, Page 34). Check if the
automatically detected video mode corresponds to your input signal.
Alternatively, you can manually select the most suitable video mode,
even if you have an unknown input signal.
3.
Optimize the picture settings for your input signal (see Chapter 6.1.3,
Page 35).
In the unlikely event that the picture cannot be optimized using the
controls provided, please fill in and return the video mode questionnaire
(Download) so that a customer specific video mode can be created.
6.1.1
Optimization of Output Settings
1.
For an analog input signal, display a picture with as much detail as
possible on your graphic source, e.g. a text with black letters on a
white ground (or vice versa).
2.
Open the OSD with the infrared remote control.
3.
Select 'Output Settings' in the main menu (see Chapter 5.3.4,
Page 27).
4.
Select the output resolution in the menu item 'Output':
5.
–
Select 'DDC' to use the preferred resolution of the monitor DDC.
–
If the preferred resolution of the device DDC does not result in an
optimal picture, select 'Factory' and from the menu item
'Resolution' the most suitable resolution for the monitor.
Exit the OSD.
A window appears to save settings. This may take a few seconds.
6.
2017-03-31
Save the settings.
33
Draco CPU Switch
6.1.2
Optimization of Input Settings
For certain analog input signals (VGA / RGB / EGA), if picture quality is
not optimal or no picture is displayed, proceed as follows:
1.
Open the OSD with the infrared remote control.
2.
Select 'Input Settings' in the main menu (see Chapter 5.3.3, Page 26).
3.
Test the recommended resolutions that are listed in the menu item
'Select Resolution'. The menu item is inactive, if there is only one
recommended resolution.
4.
Run the automatic picture adjustment:
–
Select 'Picture Settings' in the main menu (see Chapter 5.3.2,
Page 23).
–
Select the menu item 'Auto Configuration'. Thereby picture size
might change.
5.
Check the test picture: If the vertical lines are displayed clearly,
without smear or tremble, the setting has been successful.
6.
Exit the OSD.
A window appears to save settings. This can take a few seconds.
7.
34
Save the settings.
2017-03-31
Operation
6.1.3
Optimization of Picture Settings
Should Auto Configuration fail to provide the optimal picture, it can be
adjusted manually by following this procedure:
1.
Select 'Picture Settings' in the main menu.
2.
Modify the values in the menu items 'Clock' and 'Phase' until all
picture corruption has disappeared.
3.
If the picture is displaced:
4.
–
Select the menu item 'Display position' in the main menu item
'Output Settings' and position the picture in the upper left corner
of the monitor.
–
Select the menu items 'Width' and 'Height' in the main menu item
'Picture Settings' and modify the values for width and height of
the picture until the monitor is completely filled by the picture.
Exit the OSD.
A window appears to save settings. This can take a few seconds.
5.
Save the settings.
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6.2
Download of DDC Information
Loading DDC information is only relevant if you want to connect a VGA
source. By default, the factory DDC information is reported to the source
(computer, CPU). If these settings do not lead to a satisfying result, the
DDC information of the connected monitor can be downloaded and stored
internally.
There are two options to load the DDC information of the connected
monitor:

By means of a keyboard connected to the KVM extender CON Unit
(see Chapter 6.2, Page 35).

By means of the 'Read DDC' command in the OSD (see Chapter 6.2,
Page 35).
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Draco CPU Switch
6.2.1
Download of DDC via Keyboard
You can load the DDC information of the console monitor via keyboard
command under operating conditions.
1.
Switch to the respective port of the CPU Switch to be used.
2.
Enter Command Mode with the 'Hot Key' (see Chapter 5.1, Page 17).
3.
Press the key <a> to download the DDC information of the console
monitor.
At the same time Command Mode is closed and the keyboard LEDs
return to previous status.
4.
Restart the switched source (computer, CPU)
The video mode has been readjusted. Screen quality should be
optimal. The CPU should now show the console monitor as the
current screen, together with the available video resolutions.
The DDC information of the console monitor was loaded once.
Reloading is possible by repeating the operation.
When transmitting DDC information via keyboard, this will be only
provided to the VGA input that is currently switched on the CPU Switch.
6.2.2
Download of DDC via OSD
1.
Open the OSD with the infrared remote control.
2.
Select 'General Settings' in the main menu (see Chapter 5.3, Page
20).
3.
Select the menu item 'Read DDC' in the submenu 'DDC'.
Select 'DDC' in the menu item 'Factory DDC' to receive the default DDC
information.
4.
Save the DDC as DVI or VGA DDC matching the input video signal.
The DDC information of the connected monitor is saved in the
CPU Switch in the selected format and is displayed at the bottom of
the OSD menu under 'DEV:'.
The source (computer, CPU) can read the DDC information of the
monitor and display the available video resolutions.
36
2017-03-31
Operation
6.2.3
Further DDC settings
If there are special requirements, DDC information can be imported or
exported at the device.
Therefore, please connect the device to a computer via mini USB cable.
1.
Connect the power supply to the CPU Switch.
2.
Connect the CPU Switch to a computer via mini USB cable.
The CPU Switch is now available as a flash drive at the computer with
the serial number of the respective device.
Export of DDC Information
3.
Now you can use the DDC files "DDC-MON.BIN" of the monitor and
"DDC-DEV.BIN" of the CPU Switch by copying them to a local data
storage device.
To open the binary file, you have to install a suitable software. Therefore
contact your dialer.
Import of DDC Information
4.
Copy special DDC information as a binary file to the flash drive of the
CPU Switch.
The existing DDC information in the file "DDC-EDID.BIN" will be
overwritten and is now available exclusively for the active port.
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6.3
Shared Operation
CPU Units with a redundant connector for interconnect cables offer the
possibility for a competing control by two connected CON Units.
Taking over control is performed using a keyboard and/or mouse. The
release timer function determines the release time of the input devices at
one of the CON Units after that control can be taken over from the second
CON Unit.
In order to configure a redundant CPU Unit for the operation with two
competing CON Units, proceed as follows:
1.
Connect a redundant CPU Unit to any source (computer, CPU) by
using a mini USB connection.
2.
Open the file "Config.txt" that is located on the appearing flash drive
of the extender.
2017-03-31
37
Draco CPU Switch
3.
Activate the release timer by writing the parameter RELEASETIME=n
into the second line.
The variable "n" defines the time in seconds and has to be replaced
by the numbers 0 to 9 (e.g. RELEASETIME=5). If this parameter is
not activated at all, the release time is set to 2 seconds by default.
The parameter RELEASETIME=X deactivates the shared operation.
4.
Save your changes.
5.
Reboot the CPU Unit.
Example View – Config.txt
When using redundant CPU Units in combination with a KVM matrix, the
function of competing control will be automatically deactivated in the
extender and will have to be performed by the KVM matrix.
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Specifications
7
Specifications
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7.1
Interfaces
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7.1.1
VGA
The video interface supports the VGA protocol. All signals that comply to
DVI-D Single Link norm can be transmitted. This includes e.g. monitor
resolutions such as 1920x1200@60Hz, Full HD (1080p) or 2K HD (up to
2048x1152). Data rate is limited to 165 MPixel/s.
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7.1.2
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.
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7.1.3
USB 2.0 (transparent)
CPU Switch models with transparent USB 2.0 support allow the
connection of all types of USB 2.0 devices (without restriction). USB 2.0
data transfer is supported, depending on the upgrade module, with USB
high speed (max. 480 Mbit/s) or USB full speed (max. 36 Mbit/s).
Each USB full speed port provides a maximum current of 500 mA (high
power). When using a USB high speed interface with 4 USB ports,
respectively 2 connectors provides a maximum of 500 mA (high power)
and 2 connectors a maximum of 100 mA.
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2017-03-31
39
Draco CPU Switch
7.1.4
Analog Audio Interface
The analog audio option supports a bidirectional stereo audio
transmission, in nearly CD quality.
The audio interface is a 'line level' interface and it is designed to transmit
the signals of a sound card (or another 'line level' device) as well as to
allow the connection of active speakers to the CON Unit.
Stereo audio can be transmitted bidirectionally at the same time.
Connection of a microphone:
Connect the microphone to the 'audio' input of the CON Unit. There are
two ways to establish this connection:

The output of the CPU Unit is connected with the microphone input of
the sound card (red). Adjust the sound card to provide an additional
amplification (20 dB).

The output of the CPU Unit is connected to the audio input of the
sound card (blue). Choose this connection if the microphone has its
own pre-amplifier.
The CON Unit can do the pre-amplification of the microphone as well.
Open the CON Unit, locate the 'MIC' jumper on the audio board and close
the pins.
Transmission Format
Digitized virtually CD quality audio
(16 bit, 38.4 KHz)
Signal Level
Line-Level (5 Volt Pk-Pk maximum)
Input Impedance
47 KOhm
Connections CPU Unit
2x 3.5 mm stereo jack plug
(audio in & audio out)
Connections CON Unit
2x 3.5 mm stereo jack plug
(audio in & audio out)
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7.1.5
RJ45 (Interconnect)
Communication between Cat X devices requires a 1000BASE-T
connection.
Connector wiring must comply with EIA/TIA-568-B (1000BASE-T), with
RJ45 connectors at both ends. All four cable wire pairs are used.
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2017-03-31
Specifications
7.1.6
Fiber SFP Type LC (Interconnect)
Communication of fiber devices is performed via Gigabit SFPs that are
connected to suitable fibers fitted with connectors type LC (see Chapter
7.2.2, Page 42).
The correct function of the device can only be guaranteed with SFPs
provided by the manufacturer.
SFP modules can be damaged by electrostatic discharge (ESD).
 Please consider ESD handling specifications.
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7.2
Interconnect Cable
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7.2.1
Cat X
A point-to-point connection is required. Operation with several patch fields
is possible. Routing over an active network component, such as an
Ethernet Hub, Router or Matrix, is not allowed.
 Avoid routing Cat X cables along power cables.
To maintain regulatory EMC compliance, correctly installed shielded Cat X
cable must be used throughout the interconnection link.
To maintain regulatory EMC compliance, all Cat X cables need to carry
ferrites on both cable ends close to the device.
Type of Interconnect Cable
The CPU Switch requires interconnect cabling specified for Gigabit
Ethernet (1000BASE-T). The use of solid-core (AWG24), shielded, Cat 5e
(or better) is recommended.
Cat X Solid-Core Cable
AWG24
S/UTP (Cat 5e) cable according to EIA/TIA568-B. Four pairs of wires AWG24.
Connection according to EIA/TIA-568-B
(1000BASE-T).
Cat X Patch Cable
AWG26/8
S/UTP (Cat 5e) cable according to EIA/TIA568-B. Four pairs of wires AWG26/8.
Connection according to EIA/TIA-568-B
(1000BASE-T).
The use of flexible cables (patch cables) type AWG26/8 is possible,
however the maximum possible extension distance is halved.
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2017-03-31
41
Draco CPU Switch
Maximum Acceptable Cable Length
Cat X Installation Cable
AWG24
140 m (400 ft)
Cat X Patch Cable
AWG26/8
70 m (200 ft)
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7.2.2
Fiber
A point-to-point connection is necessary. Operation with multiple patch
panels is allowed. Routing over active network components, such as
Ethernet Hubs, Switches or Routers, is not allowed.
Type of Interconnect Cable
(Cable notations according to VDE)
Type of cable
Specifications
Single-mode 9μm





Two fibers 9μm
I-V(ZN)H 2E9 (in-house patch cable)
I-V(ZN)HH 2E9 (in-house breakout cable)
I/AD(ZN)H 4E9 (in-house or outdoor
breakout cable, resistant)
A/DQ(ZN)B2Y 4G9 (outdoor cable, with
protection against rodents)
Multi-mode 50μm



Two fibers 50μm
I-V(ZN)H 2G50 (in-house patch cable)
I/AD(ZN)H 4G50 (in-house or outdoor
breakout cable, resistant)
Multi-mode 62.5μm


Two fibers 62.5μm
I-V(ZN)HH 2G62.5 (in-house breakout
cable)
A/DQ(ZN)B2Y 4G62.5 (outdoor cable,
with protection against rodents)

Maximum Acceptable Cable Length
Type of cable
Maximum Acceptable Cable Length
Single-mode 9μm
10,000 m (32,800 ft)
Multi-mode 50μm (OM3) 1,000 m (3,280 ft)
42
Multi-mode 50μm
400 m (1,300 ft)
Multi-mode 62.5μm
200 m (650 ft)
2017-03-31
Specifications
If you use single-mode SFPs with multi-mode fibers, you normally can
double the maximum acceptable cable length.
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Type of Connector
Connector
LC Connector
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7.3
Connector Pinouts
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Connector VGA
Picture
Pin
Signal
Pin
Signal
1
RED
9
KEY/PWR
2
GREEN
10
GND
3
BLUE
11
ID0/RES
4
ID2/RES
12
ID1/SDA
5
GND
13
HSync
6
RED_RTN
14
VSync
7
GREEN_RTN
15
ID3/SCL
8
BLUE_RTN
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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
GND
Black
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3.5 / 6.35 mm Stereo Jack Plug
Picture
Pin
Signal
1
GND
2
Audio IN / OUT L
3
Audio IN / OUT R
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2017-03-31
43
Draco CPU Switch
RJ45
Picture
Pin
Signal
Pin
Signal
1
D1+
5
D3–
2
D1–
6
D2–
3
D2+
7
D4+
4
D3+
8
D4–
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Fiber SFP Typ LC
Picture
Diode
Signal
1
Data OUT
2
Data IN
Pin
Signal
Inside
VCC (+5VDC)
Outside
GND
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Power Supply
Picture
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44
2017-03-31
Specifications
7.4
Power Supply
AC Power Supply
Model
Max. Current
Max. Voltage
Frequency
L484-8VECWR
700 mA
100-240 V
50/60 Hz
L484-8VESWR
700 mA
100-240 V
50/60 Hz
DC-Spannungsversorgung
Model
Max. Current
Max. Voltage
L484-8VECWR
5.000 mA
5 VDC
L484-8VESWR
5.000 mA
5 VDC
Power Requirement


L484-8VECWR: max. 3.300 mA
L484-8VESWR: max. 3.350 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
L484-8VECWR / -8VESWR
CPU Switch
444 x 143 x 43 mm (17.5" x 5.6" x 1.7")
Shipping Box
550 x 372 x 155 mm (21.7" x 14.6" x 6.1")
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7.7
Shipping weight
L484-8VECWR / -8VESWR
CPU Switch
2.1 kg (4.6 lb)
Shipping Box
3.1 kg (6.8 lb)
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2017-03-31
45
Draco CPU Switch
8
Troubleshooting
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8.1
Blank Screen
CPU Module
Rear View
Diagnosis
Possible Reason
Measure
LED 4/6 off
Power Supply
 Check power supply units and
the connection to the power
network
LED 3 off
No monitor detected
 Check connection, length and
quality of the DVI-D cable to
monitor, tighten cable
thumbscrews.
LED 5 or 7 violet No video signal detected
from CPU Unit
 Check VGA cable to CPU.
 Download DDC information from
console monitorn (see Chapter
6.2, Page 35).
Reboot CPU if necessary.
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2017-03-31
Troubleshooting
8.2
Picture
Diagnosis
Possible Reason
Incorrect picture Incomplete or too long
display
connection to monitor
Measure
 Check connection, length and
quality of the DVI-D cable to
monitor, tighten cable
thumbscrews.
Transmission
parameters not suitable
or not optimally set for
conditions.
 Run 'Auto Configuration'
(see Chapter 5.3.2, Page 23).
 If necessary, set parameters for
picture settings manually (e.g.
phase and clock) (see
Chapter 5.3.2, Page 23).
Parts of the
picture are
missing
Incorrect picture size
 Optimize picture settings (see
Chapter 6.1, Page 33).
Horizontal
picture jitter
Incorrect phase and
clock
 Readjust phase and clock
manually (see Chapter 5.3.2,
Page 23).
Characters are
smeared
Incorrect phase
 Readjust phase manually (see
Chapter 5.3.2, Page 23).
Fine vertical
lines are
missing
Incorrect clock
 Readjust clock manually (see
Chapter 5.3.2, Page 23).
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2017-03-31
47
Draco CPU Switch
8.3
USB-HID
CPU Module
Rear View
Diagnosis
Keyboard LEDs
Shift and Scroll
are blinking
CPU Unit:
LED 5/7 green
or violet
Possible Reason
Keyboard in Command
Mode
Measure
No USB connection to
CPU
 Check connection of USB cable
to CPU; select another USB port
if necessary.
 USB- und Netzkabel entfernen
und CPU Unit neu starten.
Netzkabel zuerst wieder
anschließen.
USB device
without function
No USB-HID device
 Connect USB-HID device.
USB-HID device is not
supported
 Contact dealer if necessary.
 Press <Esc> to leave Command
Mode.
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2017-03-31
Troubleshooting
8.4
Analog Audio
Diagnosis
Possible Reason
Measure
CON Unit:
No signal at
audio output
No audio connection to
CPU / audio source
 Connect analog audio source.
 Check audio cable.
No Signal
 Switch analog audio source on.
 Activate analog output at CPU /
audio source.
No audio connection to
audio sink
(e.g. speakers)
 Connect analog audio sink and
switch it on.
 Check connection of audio cable.
No audio connection to
audio source
(microphone)
 Connect analog audio source
(microphone).
 Check connection of audio cable.
No signal
 Switch analog audio source on.
 Activate analog output at audio
source.
No audio connection to
audio sink (e.g. CPU)
 Check connection to CPU.
 Check connection of audio cable.
 Check audio configuration.
CPU Unit:
No signal at
audio output
(microphone)
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49
Draco CPU Switch
9
Technical Support
Prior to contacting support please ensure you have read this manual, and
then installed and set-up your CPU Switch as recommended.
9.1
Support Checklist
To efficiently handle your request it is necessary that you complete a
support request checklist (Download). Please ensure that you have the
following information available before you call:
9.2

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

Components included in the system (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
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
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:
2014/30/EU
Council Directive on the approximation of the laws of
the Member States relating to electromagnetic
compatibility
2014/35/EU
Council Directive on the harmonization of the laws of the
Member States relating to the making available on the
market of electrical equipment designed for use within
certain voltage limits
CE Marking
Product list:
484 Series
The products comply with the following harmonized standards for
Information Technology Equipment:

EN 55022: 2010/AC:2011 (Class A)

EN 55024:2010 + A1:2015

EN 61000-3-2:2014

EN 61000-3-3:2013

EN 61000-6-2:2005

EN 60950-1:2006/A2:2013
Manufacturer:
Oberteuringen, October 1st, 2016
IHSE GmbH
Maybachstrasse 11
88094 Oberteuringen
Deutschland
The Management
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51
Draco CPU Switch
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.
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.
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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52
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Certificates
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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53
Draco CPU Switch
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
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
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 Composite Video is also called CVBS and it is part of
the PAL TV standard.
54
CON Unit
Component of a KVM Extender 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 KVM Extender 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
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.
DisplayPort
A VESA standardised interface for an all-digital
transmission of audio and video data. It is
differentiated between the DisplayPort standards 1.1
and 1.2. The signals have LVDS level.
Dual Access
A system to operate a source (computer, CPU) from
two consoles
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Glossary
Term
Explanation
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
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 non-standard 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.
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55
Draco CPU Switch
Term
Explanation
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
S-Video (Y/C)
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 ===
56
2017-03-31
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