Ihse 474, Draco 474 User Manual

IHSE GmbH

Maybachstrasse 11
88094 Oberteuringen
Germany

[e-mail]
www.ihse.de

Tel. [phone]
Fax [phone]

User Manual

Edition: 2014-04-15

Draco

KVM Extender

Model:

474 Series

Draco KVM Extender

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. 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.

Contents

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Contents

1 About This Manual ....................................................................... 7

1.1 Scope.................................................................................. 7

1.2 Validity ................................................................................ 7

1.3 Cautions and Notes ............................................................ 7

2 Safety Instructions....................................................................... 8

3 Description ................................................................................... 9

3.1 Application .......................................................................... 9

3.2 System Overview .............................................................. 10

3.3 Product Range .................................................................. 11

3.3.1 Part Numbers ...................................................... 11

3.3.2 Chassis ............................................................... 11

3.3.3 KVM-Extender Modules ...................................... 12

3.3.4 Upgrade Modules................................................ 13

3.3.5 Devices for free configuration ............................. 14

3.4 Accessories Upgrade Kits ................................................. 15

3.5 Accessories....................................................................... 16

3.6 Device Views .................................................................... 16

3.6.1 2-fold Vario Chassis 474-BODY2/2R .................. 16

3.6.2 2-fold Vario Chassis 474-BODY2N ..................... 17

3.6.3 4-fold Vario Chassis 474-BODY4/4R .................. 18

3.6.4 6-fold Vario Chassis 474-BODY6R ..................... 19

3.6.5 6-fold Vario Chassis 474-BODY6BP................... 20

3.6.6 6-fold Vario Chassis 474-BODY6BPF................. 21

3.6.7 21-fold Vario Chassis 474-BODY21R ................. 22

3.6.8 Model L- / R474-BSHC / -BVHC ......................... 23

3.6.9 Model L- / R474-BSHS / -BSHX / -BVHS / -BVHX

............................................................................ 23

3.6.10 Model L- / R474-BSHCR / -BVHCR .................... 24

3.6.11 Model L- / R474-BSHSR / -BVHSR .................... 24

3.6.12 Model L- / R474-BSHCV..................................... 25

3.6.13 Model L- / R474-BSHSV / -BSHXV..................... 25

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3.6.14 Model L- / R474-BXH.......................................... 26

3.6.15 Model L- / R474-BXE .......................................... 26

3.6.16 Model L- / R474-BUE.......................................... 26

3.6.17 Model L- / R474-BAX / -BSX............................... 27

3.6.18 Model L- / R474-BAP .......................................... 27

3.6.19 Model L- / R474-BXP .......................................... 28

3.6.20 Model L- / R474-BDX.......................................... 28

3.6.21 Model L- / R474-BAH.......................................... 29

3.6.22 Model L- / R474-BDH.......................................... 29

3.6.23 Model L- / R474-BAE .......................................... 30

3.6.24 Model L- / R474-BDE.......................................... 30

3.6.25 Model L- / R474-BDD.......................................... 31

3.6.26 Model L- / R474-BDA.......................................... 31

3.6.27 Model L- / R474-BXTC........................................ 32

3.6.28 Model L- / R474-BXTS........................................ 32

3.7 Status LEDs ...................................................................... 33

3.7.1 Status KVM-Extender Module............................. 33

3.7.2 Status KVM-Extender Module VGA / DVI-I ......... 34

3.7.3 Status Upgrade Module Digital Audio ................. 35

3.7.4 Status Upgrade Module USB-HID....................... 36

3.7.5 Status Upgrade module USB 2.0 embedded ...... 37

3.7.6 Status Upgrade Module USB 2.0 ........................ 38

4 Installation .................................................................................. 39

4.1 Package Contents............................................................. 39

4.2 System Setup.................................................................... 41

4.2.1 KVM-Extender Setup .......................................... 41

4.2.2 Setup of Upgrade Modules ................................. 42

4.3 Example Applications........................................................ 43

4.4 Operating Modes .............................................................. 45

4.5 Overview Upgrade Modules.............................................. 46

5 Configuration.............................................................................. 47

5.1 Transmission Parameters ................................................. 47

Contents

2014-04-15 5

5.2 DDC Settings .................................................................... 47

5.3 Command Mode ............................................................... 48

5.4 USB-HID Ghosting............................................................ 50

5.5 Configuration File.............................................................. 51

5.5.1 Parameters for CPU Units................................... 51

5.5.2 Parameters for CON Units .................................. 52

5.5.3 Parameters for CPU und CON Units................... 53

6 Operation .................................................................................... 54

6.1 Download of DDC Information .......................................... 54

6.2 Parallel Operation of redundant CPU Units....................... 54

7 Specifications............................................................................. 56

7.1 Interfaces .......................................................................... 56

7.1.1 DVI-D Single Link................................................ 56

7.1.2 DVI-I Single Link ................................................. 56

7.1.3 USB-HID ............................................................. 56

7.1.4 PS/2 .................................................................... 57

7.1.5 USB 2.0 (transparent) ......................................... 57

7.1.6 RJ45 (Interconnect) ............................................ 57

7.1.7 Fiber SFP Type LC (Interconnect) ...................... 58

7.1.8 Serial Interface.................................................... 58

7.1.9 Analog Audio Interface........................................ 59

7.1.10 Serial Interface RS422........................................ 60

7.1.11 Digital Audio Interface......................................... 61

7.2 Interconnect Cable............................................................ 62

7.2.1 Cat X ................................................................... 62

7.2.2 Fiber.................................................................... 64

7.3 Supported Peripherals ...................................................... 65

7.3.1 USB-HID Devices ............................................... 65

7.3.2 USB 2.0 Devices ................................................. 65

7.4 Connector Pinouts ............................................................ 66

7.5 Power Supply.................................................................... 71

7.6 Environmental Conditions ................................................. 72

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7.7 Size................................................................................... 73

7.8 Shipping Weight................................................................ 74

8 Troubleshooting......................................................................... 75

8.1 General Failures ............................................................... 75

8.2 Blank Screen..................................................................... 76

8.3 USB-HID ........................................................................... 77

8.4 Serial Connection.............................................................. 78

8.5 Analog Audio..................................................................... 78

8.6 Digital Audio...................................................................... 79

8.7 Upgrade Module USB-HID................................................ 80

8.8 USB 2.0 embedded........................................................... 81

8.9 USB 2.0............................................................................. 82

9 Technical Support ...................................................................... 83

9.1 Support Checklist.............................................................. 83

9.2 Shipping Checklist ............................................................ 83

10 Certificates.................................................................................. 84

10.1 CE Declaration Of Conformity........................................... 84

10.2 North American Regulatory Compliance ........................... 85

10.3 Product Safety .................................................................. 85

10.4 WEEE ............................................................................... 86

10.5 RoHS/RoHS 2................................................................... 86

11 Glossary...................................................................................... 87

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About This Manual

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1 About This Manual

1.1 Scope

This manual describes how to install your KVM Extender, 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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2 Safety Instructions

To ensure reliable and safe long-term operation of your KVM Extender
please note the following guidelines:

Installation

 Only use in dry, indoor environments.
 The KVM Extender 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 KVM Extender. There are no

user serviceable parts inside.

 Please contact your dealer or manufacturer if there is a fault.

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Description

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3 Description

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3.1 Application

The KVM Extender is used to increase the distance between a source
(computer, CPU) and its console (keyboard, mouse, and other peripheral
devices).

The KVM Extender is designed for use with Cat X (Twisted Pair)
interconnect cables or fiber interconnect cables.

The KVM Extender with Cat X interconnect cables is unsuitable for
connection between buildings where a fiber optic based product should be
used instead.

The KVM Extender with fiber interconnect cables can also be used with
applications in environments which are subject to electromagnetic
interference. Electromagnetic interference can limit the maximum distance
and reliability of operation.

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3.2 System Overview

The KVM Extender consists of at least one CPU module and one
CON module. The various modules are summarized respectively in a
vario chassis (2-fold, 4-fold or 6-fold) at CPU site and CON site (CPU and
CON Unit).

The CPU module is connected directly to the source (computer, CPU)
using the supplied cables.

The CON module is connected to the console (monitor, keyboard and
mouse).

The CPU Unit and the CON modules communicate with each other
through the interconnect cables.

1

2

4

5

7

6

3

System Overview

1 Source (computer, CPU)
2 KVM Extender CPU Unit
3 Interconnect cable
4 KVM Extender CON Unit
5 Console (monitor, keyboard, mouse)
6 Second monitor (option, only with Dual-Head devices)
7 USB-HID devices (option, only with 4x USB-HID devices)

See Chapter

4.3, Page 43 for installation examples.

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Description

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3.3 Product Range

3.3.1 Part Numbers

Part numbers for Connections via Cat X or Fiber Cable

All devices are available in the following versions:

 Connection via Cat X cable (x = "C")
 Connection via Single-mode fiber cable (x = "S")
 High speed connection (3.125 Gbit/s) via Single-mode fiber cable

(x = "X")

Fiber devices can be used with Multi-mode and Single-mode cables (see
Chapter 7.2.2, Page 64).

Part numbers for CPU Unit and CON Unit

The part numbers for the CPU Unit and the CON Unit can be derived from
the part number of the complete device.

 CPU Unit: L474
 CON Unit: R474

All devices in the K474 series are technically compatible with devices in
the K477 series.

3.3.2 Chassis

Model Description

474-BODY2

Empty chassis for up to 2 boards, 1x external power
supply unit

474-BODY2R

Empty chassis for up to 2 boards, 1x external power
supply unit, preparation for redundancy for a second
power supply unit (external)

474-BODY2N

Empty chassis for up to 2 boards, 1x internal power
supply unit, preparation for redundancy for a second
power supply unit (external)

474-BODY4

Empty chassis for up to 4 boards, 1x external power
supply unit

474-BODY4R

Empty chassis for up to 4 boards, 1x external power
supply unit, preparation for redundancy for a second
power supply unit (external)

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Model Description

474-BODY6R

Empty chassis for up to 6 boards, 1x internal power
supply unit, preparation for redundancy for a second
power supply unit (external)

474­BODY6BP

Empty chassis for up to 6 boards, active backplane, 2x
internal power supply unit (redundancy)

474­BODY6BPF

Empty chassis for up to 6 boards, active backplane, 2x
internal power supply unit (redundancy) with connectors
on rear side

474­BODY21/4U

Empty chassis for up to 21 boards, 1x internal power
supply unit, preparation for redundancy for a second
power supply unit (internal)

3.3.3 KVM Extender Modules

Model Description

L474-BSHx
R474-BSHx

Single-Head module for 1x DVI-D Single Link
(up to 1920x1200) with 2x USB-HID

L474-BSHxR
R474-BSHxR

Single-Head module for 1x DVI-D Single Link
(up to 1920x1200) with 2x USB-HID and redundant

connector for interconnect cables
L474-BSHxV
R474-BSHxV

Single-Head module for 1x DVI-I (VGA / DVI) Single

Link (up to 1920x1200) with 2x USB-HID

L474-BVHx

Single-Head module for 1x DVI-I (VGA / DVI onboard)

Single-Link (up to 1920x1200) with 2x USB-HID
L474-BVHxR

Single-Head module for 1x DVI-I (VGA / DVI onboard)

Single-Link (up to 1920x1200) with 2x USB-HID and

redundant connector for interconnect cables

Description

2014-04-15 13

3.3.4 Upgrade Modules

Model Description

L474-BXH
R474-BXH

Upgrade module with 2x USB-HID

L474-BXE
R474-BXE

Upgrade module with 2x USB 2.0

L474-BAX
R474-BAX

Upgrade module with Analog Audio / Serial RS232

(bidirectional)

L474-BAP
R474-BAP

Upgrade module with Analog Audio / Serial RS232

(bidirectional) and PS/2

L474-BSX
R474-BSX

Upgrade module with Analog Audio / Serial RS422

(bidirectional)

L474-BXP
R474-BXP

Upgrade module with PS/2 (only available with upgrade

module Analog Audio / Serial)

L474-BDX
R474-BDX

Upgrade module with Digital Audio (unidirectional)

L474-BAH
R474-BAH

Upgrade module with Analog Audio / Serial RS232

(bidirectional) and 2x USB-HID

L474-BUE
R474-BUE

Upgrade module with Analog Audio (bidirectional) and

2x USB 2.0

L474-BAE
R474-BAE

Upgrade module with Analog Audio / Serial RS232

(bidirectional) and 2x USB 2.0

L474-BDH
R474-BDH

Upgrade module with Digital Audio (unidirectional) and

2x USB-HID

L474-BDE
R474-BDE

Upgrade module with Digital Audio (unidirectional) and

2x USB 2.0

L474-BDD
R474-BDD

Upgrade module with Digital Audio (bidirectional)

L474-BDA
R474-BDA

Upgrade module with Digital Audio (unidirectional) and

Analog Audio / Serial (bidirectional)

L474-BXTx
R474-BXTx

USB 2.0 upgrade module with 4x USB 2.0

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3.3.5 Devices for free configuration

Model Description

DRACO
VARIO 2

Draco extender for free configuration in a 2-slot vario

chassis, external power supply unit
DRACO

VARIO 2R

Draco extender for free configuration in a 2-slot vario

chassis, external power supply unit, preparation for

redundancy for a second external power supply unit
DRACO

VARIO 2N

Draco extender for free configuration in a 2-slot vario

chassis, internal power supply unit, preparation for

redundancy of an external power supply unit
DRACO

VARIO 4

Draco extender for free configuration in a 4-slot vario

chassis, external power supply unit
DRACO

VARIO 4R

Draco extender for free configuration in a 4-slot vario

chassis, external power supply unit, preparation for

redundancy of a second external power supply unit
DRACO

VARIO 6R

Draco extender for free configuration in a 6-slot vario

chassis, internal power supply unit, preparation for

redundancy of an external power supply unit
DRACO

VARIO 6BP

Draco extender for free configuration in a 6-slot vario

chassis, active backplane, 2x internal power supply unit

(redundancy)
DRACO

VARIO 6BPF

Draco extender for free configuration in a 6-slot vario

chassis, active backplane, 2x internal power supply unit

(redundancy) with connectors on rear side
DRACO

VARIO 21/4U

Draco extender for free configuration in a 21-slot 4U

vario chassis, internal power supply unit, preparation for

redundancy for a second external power supply unit

When using redundant power supply units, the load will be shared
between units.

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Description

2014-04-15 15

3.4 Accessories Upgrade Kits

Model Description

474-2RMK 19"/1U rack mount kit for 2-fold chassis
474-

2NRMK

19"/1U rack mount kit for 2-fold chassis with internal PSU

474-4RMK 19"/1U rack mount kit for 4-fold chassis
474-6RMK 19"/1U rack mount kit for 6-fold chassis
474-

VPLATE

Fastening strips for screw or snap on for 2-, 4- and 6-fold
chassis

474­OPTRED

Retrofitting for redundant power supply option (without

power supply) for 2- and 4-fold chassis
474-PSU2 Power supply for 2-fold chassis (spare or redundancy)
474-PSU4 Power supply for 4-fold chassis (spare or redundancy)
474-PSU6 Power supply for 6-fold chassis (spare or redundancy)
474-PSU21 Power supply for 6-fold-chassis (spare or redundancy)
474-BLND1 Blind plate 3U/4HP for 2-, 4- and 6-fold chassis
474-BLND2 Blind plate 3U/8HP for 2-, 4- and 6-fold chassis

KVM Extenders and the power supply units can get warm and must not be
installed in closed rooms with no air circulation. For rack-mount
installations, at least 0.5 U (height unit) is required above the extenders
for ventilation.

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3.5 Accessories

Model Description

026-2A Serial cable 1.8 m (RS232)
247-U1 USB cable 1.8 m (Type A to B)
260-5G International power supply unit 100...240VAC / 5VDC / 3 A
260-5U International power supply unit 100...240VAC / 5VDC / 4 A
436-AA VGA cable 1.8 m (VGA to DVI-I)
436-ID DVI-D cable 1.8 m (DVI-D)
445-2H DVI-D splitter cable
455-CK Stereo jack cable 1.6 m (3.5 mm Stereo)
455-CR RCA cable 2.5 m (Cinch male connector)
455-CT TOSLINK cable 1.8 m (F05 male connector)
455-CX Mini-XLR cable 1.8 m (3 pole)

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3.6 Device Views

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3.6.1 2-fold Vario Chassis 474-BODY2/2R

CPU and CON Unit

1

2

3

4

Rear View

1 Slot for modules #1
2 Connect to 5VDC power supply (standard)
3 Slot for modules #2
4 Connect to 5VDC power supply (redundancy, optional)

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Description

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3.6.2 2-fold Vario Chassis 474-BODY2N

CPU and CON Unit

1

2

3

4

Rear View

1 Slot for modules #1
2 Connect to power supply (standard)
3 Slot for modules #2
4 Connect to 5VDC power supply (redundancy)

The 2-fold vario chassis with an internal power supply is not equipped with
a fuse on its primary side. Therefore the protection against excessive
currents has to be provided by the electrical installation of the building.

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3.6.3 4-fold Vario Chassis 474-BODY4/4R

CPU and CON Unit

3

4

5

1

2

6

Rear View

1 Slot for modules #3
2 Slot for modules #1
3 Connect to 5VDC power supply (standard)
4 Slot for modules #4
5 Slot for modules #2
6 Connect to 5VDC power supply (redundancy, optional)

For operation with three KVM Extender CON modules and a USB 2.0
CON module in a 4-fold vario chassis, two power supplies are necessary.
In this case, redundancy is inapplicable.

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Description

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3.6.4 6-fold Vario Chassis 474-BODY6R

CPU and CON Unit

3

4

5

1

2

6

8

7

Rear View

1 Slot for modules #5
2 Slot for modules #3
3 Slot for modules #1
4 Connect to power supply (standard)
5 Connect to 5VDC power supply (standard)
6 Slot for modules #6
7 Slot for modules #4
8 Slot for modules #2

For operation with KVM Extender modules in a 6-fold vario chassis, two
power supplies are necessary. In this case, redundancy is inapplicable.

The 6-fold vario chassis is not equipped with a fuse on its primary side.
Therefore the protection against excessive currents has to be provided by
the electrical installation of the building.

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3.6.5 6-fold Vario Chassis 474-BODY6BP

CPU and CON Unit

123

Front View

1 Connect to power supply 1
2 Connect to power supply 2 (redundancy)
3 Grounding

3

45

1

2

6

Rear View

1 Slot for modules #5
2 Slot for modules #3
3 Slot for modules #1
4 Slot for modules #6
5 Slot for modules #4
6 Slot for modules #2

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Description

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3.6.6 6-fold Vario Chassis 474-BODY6BPF

CPU and CON Unit

3

67

1

2

8

4 5

Rear View

1 Slot for modules #5
2 Slot for modules #3
3 Slot for modules #1
4 Connect to power supply 1
5 Connect to power supply 2 (redundancy)
6 Slot for modules #2
7 Slot for modules #4
8 Slot for modules #6

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3.6.7 21-fold Vario Chassis 474-BODY21R

CPU and CON Unit

1

Rear View

1 Slots for modules #1 - #21

1

2

3

4

Front View

1 Connect to power supply 2
2 Locking for power supply 2 (redundancy)
3 Locking for power supply 1 (standard)
4 Connect to power supply 1

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Description

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3.6.8 Model L- / R474-BSHC / -BVHC

CPU Module CON Module

12

3

4

12

3

4

Rear View Rear View

1 Service port
2 Connect to interconnect cable
3 To CPU: USB-HID
4 To CPU: DVI-D,

DVI-I (only L474-BVHC)

1 Service port
2 Connect to interconnect cable
3 Connect to USB-HID devices
4 Connect to DVI monitor

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3.6.9 Model L- / R474-BSHS / -BSHX / -BVHS / -BVHX

CPU Module CON Module

12

3

4

12

3

4

Rear View Rear View

1 Service port
2 Connect to interconnect cable
3 To CPU: USB-HID
4 To CPU: DVI-D,

DVI-I (only L474-BVHS / -BVHX)

1 Service port
2 Connect to interconnect cable
3 Connect to USB-HID devices
4 Connect to DVI monitor

The configuration of the onboard DVI-I extender is described in the user
manual for the Media / DVI converter K238-5V (Download

).

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Draco KVM Extender

24 2014-04-15

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3.6.10 Model L- / R474-BSHCR / -BVHCR

CPU Module CON Module

3

4

15

2

15432

Rear View Rear View

1 Service port
2 Connect to interconnect cable 1
3 Connect to interconnect cable 2
4 To CPU: USB-HID
5 To CPU: DVI-D,

DVI-I (only L474-BVHCR)

1 Service port
2 Connect to interconnect cable 1
3 Connect to interconnect cable 2
4 Connect to USB-HID devices
5 Connect to DVI monitor

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3.6.11 Model L- / R474-BSHSR / -BVHSR

CPU Module CON Module

3

4

15

2

3

15

2

4

Rear View Rear View

1 Service port
2 Connect to interconnect cable 1
3 Connect to interconnect cable 2
4 To CPU: USB-HID
5 To CPU: DVI-D,

DVI-I (only L474-BVHSR)

1 Service port
2 Connect to interconnect cable 1
3 Connect to interconnect cable 2
4 Connect to USB-HID devices
5 Connect to DVI monitor

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Description

2014-04-15 25

3.6.12 Model L- / R474-BSHCV

CPU Module CON Module

12 3

4

56

12

3

4

5

Rear View Rear View

1 Service port (KVM)
2 Connect to interconnect cable
3 To CPU: USB-HID
4 To CPU: DVI-I (VGA / DVI)
5 IR receiver for remote control
6 Service port (DVI-I)

1 Service port
2 Connect to interconnect cable
3 Connect to USB-HID devices
4 IR receiver for remote control
5 Connect to DVI monitor

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3.6.13 Model L- / R474-BSHSV / -BSHXV

CPU Module CON Module

12 3

4

5 6

12

3

4

5

Rear View Rear View

1 Service port (KVM)
2 Connect to interconnect cable
3 To CPU: USB-HID
4 To CPU: DVI-I (VGA / DVI)
5 IR receiver for remote control
6 Service port (DVI-I)

1 Service port
2 Connect to interconnect cable
3 Connect to USB-HID devices
4 IR receiver for remote control
5 Connect to DVI monitor

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Draco KVM Extender

26 2014-04-15

3.6.14 Model L- / R474-BXH

CPU Module CON Module

1

1

Rear View Rear View

1 To CPU: USB-HID 1 Connect to USB-HID devices

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3.6.15 Model L- / R474-BXE

CPU Module CON Module

1

1

Rear View Rear View

1 To CPU: USB 2.0 1 Connect to USB 2.0 devices

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3.6.16 Model L- / R474-BUE

CPU Module CON Module

1

1

23

Rear View Rear View

1 To CPU: USB 2.0 1 Audio IN

2 Audio OUT
3 Connect to USB 2.0 devices

When using USB audio within a KVM matrix, instant switching is not
possible due to the deregistration and registration process of the USB.

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Description

2014-04-15 27

3.6.17 Model L- / R474-BAX / -BSX

CPU Module CON Module

1

2

3

123

Rear View Rear View

1 Connect to serial (D-Sub 9)
2 Audio IN
3 Audio OUT

1 Connect to serial (D-Sub 9)
2 Audio IN
3 Audio OUT

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3.6.18 Model L- / R474-BAP

CPU Module CON Module

1

2

3

45

123

45

Rear View Rear View

1 Connect to serial (D-Sub 9)
2 Audio IN
3 Audio OUT
4 To CPU: PS/2 mouse
5 To CPU: PS/2 keyboard

1 Connect to serial (D-Sub 9)
2 Audio IN
3 Audio OUT
4 Connect to PS/2 mouse
5 Connect to PS/2 keyboard

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Draco KVM Extender

28 2014-04-15

3.6.19 Model L- / R474-BXP

CPU Module CON Module

1

234

1

2

Rear View Rear View

1 Connect to local PS/2 mouse
2 Connect to local PS/2 keyboard
3 To CPU: PS/2 mouse
4 To CPU: PS/2 keyboard

1 Connect to PS/2 mouse
2 Connect to PS/2 keyboard

The upgrade module L- / R474-BXP is only available in combination with
the upgrade modules L- / R474-BAX and –BAH. A separate slot is
required for each module.

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3.6.20 Model L- / R474-BDX

CPU Module CON Module

1

3

2

1

3

2

Rear View Rear View

1 S/PDIF input (RCA)
2 AES/EBU input (Mini-XLR)
3 S/PDIF input (TOSLINK)

1 S/PDIF output (RCA)
2 AES/EBU output (Mini-XLR)
3 S/PDIF output (TOSLINK)

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Description

2014-04-15 29

3.6.21 Model L- / R474-BAH

CPU Module CON Module

1

2

3

4

123

4

Rear View Rear View

1 Connect to serial (D-Sub 9)
2 Audio IN
3 Audio OUT
4 To CPU: USB-HID

1 Connect to serial (D-Sub 9)
2 Audio IN
3 Audio OUT
4 Connect to USB-HID devices

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3.6.22 Model L- / R474-BDH

CPU Module CON Module

1

3

4

2

1

3

2

4

Rear View Rear View

1 S/PDIF input (RCA)
2 AES/EBU input (Mini-XLR)
3 S/PDIF input (TOSLINK)
4 To CPU: USB-HID

1 S/PDIF output (RCA)
2 AES/EBU output (Mini-XLR)
3 S/PDIF output (TOSLINK)
4 Connect to USB-HID devices

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Draco KVM Extender

30 2014-04-15

3.6.23 Model L- / R474-BAE

CPU Module CON Module

1

2

3

4

123

4

Rear View Rear View

1 Connect to serial (D-Sub 9)
2 Audio IN
3 Audio OUT
4 To CPU: USB 2.0

1 Connect to serial (D-Sub 9)
2 Audio IN
3 Audio OUT
4 Connect to USB 2.0 devices

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3.6.24 Model L- / R474-BDE

CPU Module CON Module

1

3

4

2

1

3

2

4

Rear View Rear View

1 S/PDIF input (RCA)
2 AES/EBU input (Mini-XLR)
3 S/PDIF input (TOSLINK)
4 To CPU: USB 2.0

1 S/PDIF output (RCA)
2 AES/EBU output (Mini-XLR)
3 S/PDIF output (TOSLINK)
4 Connect to USB 2.0 devices

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Description

2014-04-15 31

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3.6.25 Model L- / R474-BDD

CPU Module CON Module

1

3

2

4

5

6

1

3

2

4

5

6

Rear View Rear View

1 S/PDIF input (RCA)
2 AES/EBU input (Mini-XLR)
3 S/PDIF input (TOSLINK)
4 S/PDIF output (RCA)
5 AES/EBU output (Mini-XLR)
6 S/PDIF output (TOSLINK)

1 S/PDIF output (RCA)
2 AES/EBU output (Mini-XLR)
3 S/PDIF output (TOSLINK)
4 S/PDIF input (RCA)
5 AES/EBU input (Mini-XLR)
6 S/PDIF input (TOSLINK)

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3.6.26 Model L- / R474-BDA

CPU Module CON Module

1

3

2

4

5

6

1

3

2

4

5

6

Rear View Rear View

1 S/PDIF input (RCA)
2 AES/EBU input (Mini-XLR)
3 S/PDIF input (TOSLINK)
4 Connect to serial (D-Sub 9)
5 Audio IN
6 Audio OUT

1 S/PDIF output (RCA)
2 AES/EBU output (Mini-XLR)
3 S/PDIF output (TOSLINK)
4 Connect to serial (D-Sub 9)
5 Audio IN
6 Audio OUT

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Draco KVM Extender

32 2014-04-15

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3.6.27 Model L- / R474-BXTC

CPU Module CON Module

12

3

12

3

4

Rear View Rear View

1 Service port
2 Connect to interconnect cable
3 To CPU: USB 2.0

1 Service port
2 Connect to interconnect cable
3 Connect to USB 2.0 devices

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3.6.28 Model L- / R474-BXTS

CPU Module CON Module

12

3

12

3

4

Rear View Rear View

1 Service port
2 Connect to interconnect cable
3 To CPU: USB 2.0

1 Service port
2 Connect to interconnect cable
3 Connect to USB 2.0 devices

Only one USB 2.0 CON module may be installed per chassis.

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Description

2014-04-15 33

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3.7 Status LEDs

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3.7.1 Status KVM Extender Module

The KVM Extender module is fitted with a multi color LED on both sides
for overall status indication and with two further LEDs on the back side for
indication of the connection status.

CPU Module CON Module

2

3

1

12

3

231

2

3

1

Rear View Rear View

LED 1 and 2: Connection Status

Pos. LED Status Description

Off Connection available 1

Failure LED

(green)

On or
Flashing

Connection failure (flashing for about
20 s following a connection failure)

Flashing No connection via interconnect cable 2

Status LED

(green)

On Connection available

LED 3: USB and Video Status

LED color Description

Red Device ready

Violet

Connection and USB signal (interconnect) available

Green Connection and video signal available

Light Blue

Connection, USB and video signal available
(operating status)

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Draco KVM Extender

34 2014-04-15

3.7.2 Status KVM Extender Module VGA / DVI-I

The KVM Extender module with VGA / DVI-I input is fitted with a multi­color LED on the front side of the CPU Unit for indication of connection
status. Further information is available via on screen display (OSD) (see
manual for the Media / DVI Converter K238-5V (Download)).

CPU Module

Front View

LED 1: Connection Status VGA / DVI-I

LED color Description

Dark Red No video signal; monitor not detected

Red Video signal not supported; monitor not detected

Green Video signal supported; monitor not detected

Blue No video signal; monitor detected

Violet Video signal not supported; monitor detected

Light Blue Video signal supported; monitor detected

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Description

2014-04-15 35

3.7.3 Status Upgrade Module Digital Audio

The upgrade module digital audio is fitted with a further multi-color LED on
the rear side for indication of the connection status:

CPU Module CON Module

1

1

Rear View Rear View

LED 1: Digital Audio Status

LED color Description

Red No signal

Light Blue CPU Unit: S/PDIF signal (RCA) available

Violet CPU Unit: AES/EBU signal (Mini-XLR) available

Blue CPU Unit: S/PDIF signal (TOSLINK) available

Green CON Unit: Signal available

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Draco KVM Extender

36 2014-04-15

3.7.4 Status Upgrade Module USB-HID

The upgrade module USB-HID is fitted with three further LEDs on the rear
side for indication of the connection status:

CPU Module CON Module

1

23

1

23

Rear View Rear View

Pos. LED Status Description

Off

No USB-HID device or not supported
USB device connected

Flashing
fast

USB-HID device active

1, 2

Device LED

(orange)

On

USB-HID device ready or KVM
Extender in command mode

Off  No power supply voltage

 CPU Unit: KVM Extender in

command mode or no connection

 CON Unit: Keyboard in command

mode

Flashing
slowly

CON Unit: KVM Extender in command
mode or no connection

3

Status LED

(orange)

Flashing
fast

Operating status

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Description

2014-04-15 37

3.7.5 Status Upgrade module USB 2.0 embedded

The upgrade module USB 2.0 embedded is fitted with three further LEDs
on the rear side for indication of the connection status:

CPU Module CON Module

1

23

1

23

Rear View Rear View

Pos. LED Status Description

Off No USB 2.0 device connected 1

Status LED

(green)

Flashing
slowly

USB 2.0 device connected

Off

No connection to source (computer,
CPU) available

Flashing
slowly

 Connection to source (computer,

CPU) available

 No USB 2.0 device connected

2

Status LED

(green)

On

 Connection to source (computer,

CPU) available

 USB 2.0 device(s) connected

Off

No connection between CON and CPU
module

3

Status LED

(green)

On

Connection between CON and CPU
module available

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Draco KVM Extender

38 2014-04-15

3.7.6 Status Upgrade Module USB 2.0

The upgrade module USB 2.0 is fitted with a multi color LED on both sides
for overall status indication and with two further LEDs on the back side for
indication of the connection status.

CPU Module CON Module

12

3

12

3

12

3

12

3

Rear View Rear View

Pos. LED Status Description

Off Connection available 1

Failure LED

(green)

On or
Flashing

Connection failure (flashing for about
20 s following a connection failure)

Off No connection via interconnect cable 2

Status LED

(green)

On Connection available

LED 3: USB 2.0 Status

LED color Description

Red

Device ready

Green

Only connection available, no USB 2.0 signal

Green /
light blue
flashing

Connection available, no USB 2.0 device
connected

Light blue

Connection and USB 2.0 signal available
(operating status)

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Installation

2014-04-15 39

4 Installation

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4.1 Package Contents

Your extender package contains the following items:

KVM Extender:

 KVM Extender pair (CPU Unit and CON Unit) in the vario chassis
 1x (redundancy 2x) 5VDC international power supply unit per KVM

Extender unit

 1x (redundancy 2x) country-specific power cord
 Quick Setup
 DVI video cable (1.8 m, DVI-D male-to-male)

 USB cable (1.8 m, type A to type B)

Additional content for KVM Extender module VGA / DVI-I (replaces
DVI-D cable):

 VGA cable (1.8 m, VGA male to DVI-I male)

 Infrared remote control

Additional content for upgrade module Analog Audio / Serial:

 Serial cable (1.8 m, D-Sub 9 male connector)

 Stereo jack cable (1.6 m, 3.5 mm male connector)

Draco KVM Extender

40 2014-04-15

Additional content for upgrade module serial (RS422):

 Serial cable (1.8 m, D-Sub 9 male connector)

Additional content for upgrade module Digital Audio:

 RCA cable (2.5 m, Cinch male connector)

 TOSLINK cable (1.8 m, F05 male connector)

Additional content for upgrade module USB-HID:

 USB cable (1.8 m, USB type A to type B)

Additional content for upgrade module PS/2:

 2x PS/2 cable (1.8 m, 6-pole connector)

Additional content for upgrade module USB 2.0 embedded:

 USB cable (1.8 m, USB type A to type B)

Additional content for upgrade module USB 2.0:

 USB cable (1.8 m, USB type A to type B)

If anything is missing, contact your dealer.

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Installation

2014-04-15 41

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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.

 Please verify that interconnect cables, interfaces, and handling of the

devices comply with the requirements (see Chapter 7, Page 56).

4.2.1 KVM Extender Setup

1. Switch off all devices.

CON Unit Installation

2. Connect your monitor(s), keyboard and mouse to the CON Unit.

3. Connect the CON Unit with the interconnect cable(s).

4. Connect the 5VDC power supply to the CON Unit.

CPU Unit Installation

5. Connect the source (computer, CPU) to the CPU Unit with the
supplied cables. Please ensure the cables are not strained.

6. Connect the CPU Unit to the interconnect cable(s).

7. Connect the 5VDC power supply to the CPU Unit.

8. Power up the system.

To power up the system, the following sequence is recommended:
Monitor – CON Unit – CPU Unit – source.

The basic module with VGA / DVI-I input is connected as above. For a
complete and detailed description of the setup and configuration of the
VGA option, see the manual of the Media- / DVI-Converter K238-5V
(Download

).

Draco KVM Extender

42 2014-04-15

4.2.2 Setup of Upgrade Modules

The modules can be hot plugged.

Upgrade Module Analog Audio / Serial:

1. Connect the audio source to the CPU Unit (e.g. CPU audio output
with audio input, CPU audio input with audio output).

2. Connect the audio output on the CON Unit to headphones or suitable
speakers.

3. Connect the audio input on the CON Unit to a suitable microphone.

Upgrade Module Serial RS422:

1. Connect the CPU to the CPU Unit by using the serial cable.

2. Connect the CON Unit to the serial connector of the input device.

Upgrade Module Digital Audio:

1. Connect the digital audio source to the audio input of the CPU Unit.

2. Connect the audio output of the CON Unit to suitable speakers or
audio amplifiers.

If several active sources are connected, Mini-XLR input takes priority.
The audio signal is available at all outputs.

Upgrade Module USB-HID:

1. Connect the CPU to the CPU Unit (USB-HID 2).

2. Connect the USB-HID devices to the CON Unit (Connect to
USB-HID devices 2).

Upgrade Module PS/2:

1. Connect the CPU to a CPU unit with cables for PS/2 devices.

2. Connect the PS/2 devices to the CON unit (Connector to PS/2
devices).

Upgrade Module USB 2.0 Embedded:

1. Connect the CPU to the CPU Unit (USB 2.0).

2. Connect the USB 2.0 devices to the CON Unit (Connect to
USB 2.0 devices).

Installation

2014-04-15 43

Upgrade Module USB 2.0:

1. Connect the CPU to the CPU Unit (USB 2.0).

2. Connect the USB 2.0 devices to the CON Unit (Connect to
USB 2.0 devices).

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4.3 Example Applications

This section illustrates typical installations of KVM Extenders:

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1

2

4

5

3

KVM Extender (Single-Head)

1

2

4

5

8

3

KVM Extender (Single-Head with Digital / Analog Audio)

Draco KVM Extender

44 2014-04-15

1

2

4

5

7

6

3

KVM Extender (Dual-Head with 4x USB-HID)

1 Source (computer, CPU)
2 KVM Extender CPU Unit
3 Interconnect cable
4 KVM Extender CON Unit
5 Console (monitor, keyboard, mouse)
6 Second monitor (option, only with Dual-Head devices)
7 USB 2.0 devices (option, only with 2x USB 2.0 devices)
8 Audio sink (optional, only with devices with Analog Audio / Serial

option or Digital Audio option)

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Installation

2014-04-15 45

4.4 Operating Modes

This section illustrates an overview of possible operating modes of the
KVM Extender by combining the various available modules.

Matrix 1

Matrix 2

CPU Unit

CPU Unit

CON Unit

CPU

FILTER TOP

OK

HS

FAN TRAY

OK

HS

FAN TRAY

OK

HS

FAN TRAY

OK

HS

FAN TRAY

FILTER TOP

DVI-D

VGA

DVI-I

R474-BSHCR

R474-BSHC

L474-BSHC

L474-BVHC

VGA

L474-BSHCR

L474-BVHCR

VGA

Overview Operating Modes

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4.5 Overview Upgrade Modules

This section illustrates an overview of the available types of upgrade
modules for the KVM Extender.

CPU Unit

CON Unit

L474-BDX

L474-BAX

L474-BSX

L474-BXH

L474-BXE

L474-BXTC

L474-BAP

R474-BDX

R474-BAX

R474-BSX

R474-BXE

R474-BAP

R474-BXH

R474-BXTC

2 x HID

2 x HID

2 x HID

Full Speed

Full Speed

Full Speed

2.0

2.0

2.0

High Speed

High Speed

High Speed

2.0

2.0

2.0

Analog
Audio

+RS232

/

2 x HID

2 x HID

2 x HID

Full Speed

Full Speed

Full Speed

2.0

2.0

2.0

High Speed

High Speed

High Speed

2.0

2.0

2.0

Analog

Audio

+RS232

Analog

Audio

+RS422

Analog

Audio

+RS232

/

Analog

Audio

+RS232

Analog
Audio

+RS422

Overview Upgrade Modules

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Configuration

2014-04-15 47

5 Configuration

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5.1 Transmission Parameters

The device operates with a proprietary compression method.
In default configuration, the device adapts dynamically to monitor

resolution and image content. This configuration is suitable for almost all
conditions and should only be modified if image quality is not fully
satisfactory.

In exceptional cases the displayed video image may exhibit "frame
dropping" (loss of single pictures) or color effects.

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5.2 DDC Settings

By default, the device transmits the factory preset DDC information to the
CPU. This information is suitable in most cases.

Downloading of the DDC information of the console monitor can be
performed during normal operation (see Chapter

6.1, Page 54).

For special requirements, DDC information can be retrieved and uploaded
as a binary file to both the CPU Unit and the CON Unit.

Connect your computer with a USB mini cable to the service port of the
CPU Unit or CON Unit.

The data area of the unit is now accessible as a flash drive "Extender".

Uploading DDC Information

Copy the binary file containing your specific DDC information to the flash
drive of the CPU Unit or CON Unit.

The current DDC information is replaced.

Retrieving DDC Information

Copy the file "DDC-EDID.bin" on the flash drive of the CPU Unit to your
computer.

To open the binary file, you have to install a suitable software, e.g.
WinDDCwrite, on your computer. Contact your dealer for this purpose.

Reset to Factory DDC Information

Delete the file called "DDC-EDID.bin" on the flash drive of the CPU Unit.
By deleting this file, the factory DDC Information is restored.

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5.3 Command Mode

During normal use, the console keyboard functions in the usual manner.
However, for all KVM Extenders with USB-HID support, you can set the
keyboard into a Command Mode by using a specific 'Hot Key' sequence.
While in Command Mode, several functions are performed via keyboard
commands. To exit Command Mode, press <Esc>.

While in Command Mode, the Shift and Scroll LEDs 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> / ('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)

Configuration

2014-04-15 49

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 (from 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>

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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5.4 USB-HID Ghosting

This function allows specific keyboard and mice descriptors (device
descriptions) to be permanently stored in the CPU unit. This eliminates the
need to register and deregister the keyboard and mouse on an operating
system each time there is a shared use of a source (computer, CPU) by
two or more consoles within a KVM matrix.

The following table lists the keyboard commands for the configuration of
USB-HID Ghosting:

Function Keyboard Command

Writes the device descriptions of
the input devices connected to the
CON Unit into the CPU Unit.
Activating the emulation in the
CPU Unit.

<'Hot Key'>, <h>, <w>, <Enter>

Activates the emulation of already
stored device descriptions in the
CPU Unit

<'Hot Key'>, <h>, <e>, <Enter>

Deactivates the emulation of
active device descriptions in the
CPU Unit. The input devices
connected to the CON Unit will be
now passed transparently to the
source (computer, CPU).

<'Hot Key', <h>, <d>, <Enter>

Deactivates the emulation of
active device descriptions in the
CPU Unit. Deletes the
descriptions out of the CPU Unit.
The input devices connected to
the CON Unit will be now passed
transparently to the source
(computer, CPU).

<'Hot Key', <h>, <r>, <Enter>

When using a USB combo device as a USB-HID input device, switching to
a CPU Unit with activated USB-HID Ghosting may cause limited
functionality.

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Configuration

2014-04-15 51

5.5 Configuration File

The KVM Extender contains a configuration file (Config.txt) to set specific
parameters and to read out device and video information. You can find it
on the flash drive of the KVM Extender. The flash drive can be opened by
a mini USB connection to a computer.

The configuration file can be edited with all common text editors.

After setting a parameter, the KVM Extender needs to be restarted.

To ensure correct identification and acceptance of the parameters, the
start command #CFG has to be written into the first line of the Config.txt
file.

5.5.1 Parameters for CPU Units

You can write the following parameters into the configuration file of a CPU
Unit.

DDC-Management

Parameter Function

ENAHPDET Enable hotplug switch for K238-5x series
LOCKEDID Activate DDC write protection

Digital-Audio

Parameter Function

SRC32000

Activate sample rate conversion, sample rate
32 kHz (only with digital audio upgrade module)

SRC44100

Activate sample rate conversion, sample rate
44,1 kHz (only with digital audio upgrade
module)

SRC48000

Activate sample rate conversion, sample rate
48 kHz (only with digital audio upgrade module)

SRC96000

Activate sample rate conversion, sample rate
96 kHz (only with digital audio upgrade module)

SRC_NONE

Deactivate sample rate conversion (only with
digital audio upgrade module)

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Compression

Parameter Function

MEDCPRATE Activate medium compression rate
MINCPRATE Activate low compression rate
MAXCPRATE Activate high compression rate

Parallel Operation

Parameter Function

KBDCON

Activate Keyboard Connect (only with redundant
CPU Units)

MOUCON

Activate Mouse Connect (only with redundant
CPU Units)

RELEASETIME=n

Release timer n = 0...9 seconds for Mouse and
Keyboard Connect, without parameter =
10 seconds

5.5.2 Parameters for CON Units

You can write the following parameters into the configuration file of a CON
Unit.

Output Settings

Parameter Function

1080p50Hz Always display 50 Hz when using 1920x1080
DISEXTOSD Deactivate extender OSD
ENAFRAME

Show orange colored frame when losing
extender connection

ENAHOLDPIC

Show last transmitted picture highlighted by an
orange colored frame when losing connection

ENADDCTX

Activate DDC transmission by unplugging and
connecting the monitor back to the CON Unit

CENTERMODE

Simulate the native resolution of Dual-Link
monitors by an additional black frame in order to
enable Instant Switching (482 series only).

Configuration

2014-04-15 53

5.5.3 Parameters for CPU und CON Units

You have to write the following parameters into the configuration file of
both CON Unit and CPU Unit.

Local switching

Parameter Function

BLANKSCR

Activate dark switching between local and
remote console by keyboard or mouse event
(only with HDMI extenders and local control by
an USB-HID CON upgrade module)

PRIVATEMODE

Activate switching of video and control between
local and remote console by keyboard
commands (only with HDMI extenders and local
control by an USB-HID CON upgrade module)

USB 2.0 embedded

Parameter Function

ENAUSB11

Activate USB 1.1 mode for USB 2.0 embedded
upgrade modules (only with USB 2.0 embedded
upgrade module)

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6 Operation

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6.1 Download of DDC Information

By default, data from the internal DDC list is reported to the source
(computer, CPU). If these are not optimal settings for the display device,
the DDC information of the console monitor can be downloaded and
stored internally. The devices have to be configured accordingly (see

Chapter 5.2, Page 47).

On all KVM Extenders with USB-HID support, the user can load the DDC
information of the console monitor via keyboard command under operating
conditions.

1. Enter Command Mode with the 'Hot Key' (see Chapter

5.2, Page 47).

2. Press the <a> key to download the DDC information of the console
monitor.

The screen will go black for a short time.
At the same time Command Mode is closed and the keyboard LEDs

return to previous status.
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.

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6.2 Parallel Operation of redundant CPU Units

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
parallely controlling CON Units, proceed as follows:

1. Connect a redundant CPU Unit to any source (computer, CPU) by
using a mini USB connection.

Operation

2014-04-15 55

2. Open the file "Config.txt" that is located on the appearing flash drive
of the extender.

3. In order to activate the function of taking over control by keyboard,
write the parameter KBDCON into the second line of the file.
In order to activate the function of taking over control by mouse, write
the parameter MOUCON into the second line of the file.
In order to activate the function of taking over control by keyboard and
mouse, write the parameters in the second and third line with one
parameter per line.

4. Activate the release timer by writing the parameter RELEASETIME=n
into the next free 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
10 seconds by default.

5. Save your changes.

6. 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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7 Specifications

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7.1 Interfaces

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7.1.1 DVI-D Single Link

The video interface supports the DVI-D protocol. All signals that comply
with DVI-D Single Link norm can be transmitted. This includes 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 DVI-I Single Link

The video interface supports the DVI-I protocol. All analog (VGA) or digital
(DVI) signals that comply to DVI-I 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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7.1.3 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.

Specifications

2014-04-15 57

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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7.1.4 PS/2

Our devices with PS/2 interface support the use of a PS/2 keyboard and
mouse.

Keyboard

Compatible with most PS/2 keyboards, even with various special
keyboards. Certain keyboards with additional functions can be run with
special firmware.

Mouse

Compatible with most 2-button, 3-button and scroll mice.

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7.1.5 USB 2.0 (transparent)

KVM Extender 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. 12 Mbits).

Each USB 2.0 port provides a maximum current of 500 mA (high power).

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7.1.6 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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7.1.7 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 ().

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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7.1.8 Serial Interface

The serial interface option supports a full-duplex transmission with a real
hardware handshake up to a Baud rate of 115,200 Baud.

The CON Unit is cabled as DTE (Data Terminal Equipment, like CPU
output) and can be connected directly to DCE devices (Data
Communication Equipment).

 A touch screen can be connected directly to the CON Unit.
 To connect to a serial printer (or any other DTE instead of DCE

device), you need a null modem cable (crossed cable) between CON
Unit and the device.

Operation of several devices:

The serial interface transmits 6 signals (3 for each direction). Normally,

4 of the 6 signals are handshake signals (in addition to RxD and TxD).

The following configurations, however, can be realized using special
adapter splitting cables:

 Three single 2-wire transmissions
 Two transmissions with a handshake signal
 A serial mouse and a single 2-wire transmission.

In this case, choose X-ON / X-OFF software handshake for traffic control
at printer and PC.

Specifications

2014-04-15 59

Connection Format

DTE (Data Terminal Equipment)

Speed

Up to 115,200 Baud

Data Format

Format independent

Data Transmission

 RxD (Receive Data)
 TxD (Transmit Data)

Traffic Control

The following signals are transmitted
(hardware handshake):

 RTS (Request To Send)
 CTS (Clear To Send)
 DTR (Data Terminal Ready)
 DSR (Data Set Ready)

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7.1.9 Analog Audio Interface

The analog audio option supports a bidirectional stereo audio

transmission, in near-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 to 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 also provide pre-amplification of a microphone. Open
the CON Unit, locate the 'MIC' jumper on the audio board and close the
pins.

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Specifications Analog Audio

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)

Specifications Analog Audio USB 2.0

Transmission Format Digitized virtually CD quality audio, 16 bit

(8, 11.025, 16, 22.05, 32, 44.1, 48 KHz)

Signal Level

Line-Level (5 Volt Pk-Pk maximum)

Input Impedance

20 KOhm

Connections CPU Unit

1x USB type B female connector

Connections CON Unit 2x 3.5 mm stereo jack plug

(audio in & audio out)

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7.1.10 Serial Interface RS422

KVM Extenders with a serial interface RS422 (D-Sub 9) support a

differential full duplex transmission up to a Baud rate of 115,200 Baud.
The CPU unit is designed as controlling device and can, for example, be

connected directly to video or media servers.
The CON unit is designed as a controlled device and so can be connected

directly to remote controllers.

Connection Format

Sony Standard

Speed

Up to 115,200 Baud

Data Format

Format independent

Data Transmission

 Rx + (Receive Data)
 Rx – (Receive Data)
 Tx + (Transmit Data)
 Tx – (Transmit Data)

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Specifications

2014-04-15 61

7.1.11 Digital Audio Interface

The digital audio option supports the unidirectional transmission of digital
audio data.

Up to three sources can be connected to the CPU Unit. The active source
is transmitted. If several sources are active, the XLR signal takes priority,
otherwise the first active signal.

The three connectors on the CON Unit provide concurrent digital audio.
KVM Extenders with the digital audio option include an inbuilt sample rate

converter that provides predefined sample frequencies at the output of the
CON Unit.

The user can set directly the following parameters by using a configuration
file:

 Activate or deactivate sample rate converter in the Config.txt file on

the flash drive of the KVM Extender.

 If the sample rate converter is activated, the following characteristics

are valid:
140 dB dynamic range and -120 dB total harmonic distortion + noise.

 Set sample frequency of the sample rate converter by writing the

parameter in a new line. The following sample frequencies are
available:

– 32.0 kHz (write SRC32000 in Config.txt file of the CPU unit)
– 44.1 kHz (write SRC44100 in Config.txt file of the CPU unit)
– 48.0 kHz (write SRC48000 in Config.txt file of the CPU unit)
– 96.0 kHz (write SRC96000 in Config.txt file of the CPU unit)

 You can use a delay for converting the sample rate. The time is set in

milliseconds and separated from the parameter for the sample rate by
a semicolon (e.g. SRC4410;12). You can set the following delays for
the sample rates:

– 32.0 kHz: 3 - 60 ms
– 44.1 kHz: 2 - 44 ms
– 48.0 kHz: 2 - 40 ms
– 96.0 kHz: 1 - 20 ms

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 To deactivate the sample rate converter, write SRC_NONE in the

Config.txt file of the CPU unit.

Compatibility

AES/EBU, S/PDIF, EIAJ CP1201,
IEC 60958

Standards

Dolby Digital, DTS, PCM

Bit Depth

24 bit

Sample Rate

32 to 192 kHz

CPU Unit (Inputs)  Mini-XLR (AES/EBU; symmetrical,

lockable)

 Coaxial (S/PDIF; RCA, Cinch)
 Optical (S/PDIF; TOSLINK)

CON Unit (Outputs)  Mini-XLR (AES/EBU; symmetrical,

lockable)

 Coaxial (S/PDIF; RCA, Cinch)
 Optical (S/PDIF; TOSLINK)

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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.
 If the site has 3-phase AC power, try to ensure that CPU Unit and

CON Unit are on the same phase.

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.

Specifications

2014-04-15 63

Type of Interconnect Cable

The KVM Extender 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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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)
Multi-mode 50μm 400 m (1,300 ft)
Multi-mode 62.5μm 200 m (650 ft)

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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Specifications

2014-04-15 65

7.3 Supported Peripherals

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7.3.1 USB-HID Devices

The KVM Extender 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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7.3.2 USB 2.0 Devices

KVM Extender models featuring a transparent USB 2.0 connection use
Extreme USB Technology from Icron Technologies.

This technology supports all types of USB 2.0 devices, however the
manufacturer cannot guarantee compatibility with every device on the
market. Please contact your dealer if any issues are found.

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7.4 Connector Pinouts

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Connector DVI-D Single-Link

1.............................8 C1 C2

C5

17...........................24

C3 C4

Pin Signal Pin Signal Pin Signal

1 T.M.D.S data 2 – 9 T.M.D.S data 1 – 17 T.M.D.S data 0 –
2 T.M.D.S data 2 + 10 T.M.D.S data 1 + 18 T.M.D.S data 0 +
3

T.M.D.S data 2
GND

11

T.M.D.S data 1
GND

19

T.M.D.S data 0

GND
4 n.c. 12 n.c. 20 n.c.
5 n.c. 13 n.c. 21 n.c.
6 DDC Input (SCL) 14

+5VDC high
impedance

22

T.M.D.S clock

GND
7

DDC Output
(SDA)

15 GND 23 T.M.D.S clock +

8 Internal use 16

Hot Plug
recognition

24 T.M.D.S clock –

C1 Internal use C3 Internal use
C2 n.c. C5 GND C4 Internal use

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Specifications

2014-04-15 67

Connector DVI-I Single-Link

1.............................8 C1 C2

C5

17...........................24

C3 C4

Pin Signal Pin Signal Pin Signal

1 T.M.D.S data 2– 9 T.M.D.S data 1– 17 T.M.D.S data 0–
2 T.M.D.S data 2+ 10 T.M.D.S data 1+ 18 T.M.D.S data 0+
3

T.M.D.S data 2
GND

11

T.M.D.S data 1
GND

19

T.M.D.S data 0

GND
4 n.c. 12 n.c. 20 n.c.
5 n.c. 13 n.c. 21 n.c.
6 DDC Input (SCL) 14

+5VDC high
impedance

22

T.M.D.S clock

GND
7

DDC Output
(SDA)

15 GND 23 T.M.D.S clock+

8 V-sync 16

Hot Plug
recognition

24 T.M.D.S clock–

C1 Red signal C3 Blue signal
C2 Green signal C5 GND C4 H-sync

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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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68 2014-04-15

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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Connector PS/2

Picture Pin Signal

1 DATA
2 GND
3 VCC (+ 5VDC)
4 CLK
5 n.c.
6 n.c.

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RJ45

Picture Pin Signal Pin Signal

1 D1+ 5 D3–

2 D1– 6 D2–

3 D2+ 7 D4+

8..........1

4 D3+ 8 D4–

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Specifications

2014-04-15 69

Fiber SFP Typ LC

Picture Diode Signal

1 Data OUT

12

2 Data IN

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Power Supply

Picture Pin Signal

Inside VCC (+5VDC)

Outside GND

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D-Sub 9 (Serial) RS232

Picture Pin Signal Pin Signal

1 n.c. 6 DSR

2 RxD 7 RTS

3 TxD 8 CTS

4 DTR 9 n.c.

1.................5

6...........9

5 GND

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D-Sub 9 (Serial) RS422 Controlled Device

Picture Pin Signal Pin Signal

1 GND 6 Rx-GND

2 RxA 7 RxB

3 TxB 8 TxA

4 Tx-GND 9 n.c.

1.................5

6...........9

5 n.c

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D-Sub 9 (Serial) RS422 Controlling Device

Picture Pin Signal Pin Signal

1 GND 6 Tx-GND

2 TxA 7 TxB

3 RxB 8 RxA

4 Rx-GND 9 n.c.

1.................5

6...........9

5 n.c.

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3.5 mm Stereo Jack Plug

Picture Pin Signal

1 GND
2 Audio IN / OUT L

12 3

3 Audio IN / OUT R

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RCA (Cinch)

Picture Pin Signal

1 GND

1 2

2 Data IN / OUT

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Mini-XLR

Picture Pin Signal

1 GND

2 Data +

132

3 Data –

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Specifications

2014-04-15 71

TOSLINK

Picture Diode Signal

1

1 Data IN / OUT

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7.5 Power Supply

AC Power Supply

Model Max. Current Max. Voltage Frequency

474-BODY2N 700 mA max. 100-240 V 50/60 Hz

474-BODY6R 1,400 mA max. 100-240 V 47-63 Hz
474-BODY6BP 800 mA max. 100-240 V 50/60 Hz
474-BODY6BPF 800 mA max. 100-240 V 50/60 Hz
474-BODY21/4U 4,000 mA max. 2x 100-240 V 50/60 Hz

DC Power Supply

Model Max. Current Max. Voltage

474-BODY2/2R 3,000 mA 5 VDC
474-BODY2N 5,000 mA 5 VDC
474-BODY4/4R 5,000 mA 5 VDC
474-BODY6R 8,000 mA 5 VDC

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Power Requirement

Power Requirement
(per Unit)

KVM Extender:

 Single-Head devices: max. 800 mA
 Onboard DVI-I devices: max. 1,200 mA
 VGA: max. 1,700 mA
 Redundancy devices: max. 1,050 mA

Upgrade Modules:

 Analog Audio / Serial: max. 300 mA
 Serial(RS422): max. 150 mA
 Digital Audio: max. 300 mA
 USB-HID: max. 300 mA
 PS/2: max. 650 mA
 USB 2.0 embedded: max. 1,100 mA
 USB 2.0: max. 2,500 mA

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7.6 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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Specifications

2014-04-15 73

7.7 Size

Devices in the 2-fold Vario Chassis 1

CPU Unit / CON Unit

145 x 147 x 41 mm (5.7" x 5.8" x 1.7")

Shipping Box

210 x 140 x 165 mm (8.3" x 5.5" x 6.5")

Devices in the 2-fold Vario Chassis 2

CPU Unit / CON Unit

221 x 147 x 41 mm (8.7" x 5.8" x 1.7")

Shipping Box

550 x 365 x 115 mm (21.7" x 14.4" x 4.5")

Devices in the 4-fold Vario Chassis

CPU Unit / CON Unit

293 x 147 x 41 mm (11.5" x 5.8" x 1.7")

Shipping Box

550 x 365 x 115 mm (21.7" x 14.4" x 4.5")

Devices in the 6-fold Vario Chassis 6R

CPU Unit / CON Unit

442 x 147 x 41 mm (17.4" x 5.8" x 1.7")

Shipping Box

760 x 365 x 115 mm (29.9" x 14.4" x 4.5")

Devices in the 6-fold Vario Chassis 6BP / 6BPF

CPU Unit / CON Unit

442 x 250 x 41 mm (17.4" x 9.8" x 1.7")

Shipping Box

550 x 372 x 155 mm (21.7" x 14.6" x 6.1")

Devices in the 21-fold Vario Chassis

CPU Unit / CON Unit

482 x 462 x 176 mm (19.0" x 18.2" x 6.9")

Shipping Box

645 x 574 x 368 mm (25.4" x 22.6" x 14.5")

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7.8 Shipping Weight

Devices in the 2-fold Vario Chassis 1

CPU Unit / CON Unit

0.4 kg (0.9 lb)

Shipping Box

2.2 kg (4.9 lb)

Devices in the 2-fold Vario Chassis 2

CPU Unit / CON Unit

0.8 kg (1.8 lb)

Shipping Box

2.6 kg (5.7 lb)

Devices in the 4-fold Vario Chassis

CPU Unit / CON Unit

0.9 kg (2.0 lb)

Shipping Box

3.4 kg (7.5 lb)

Devices in the 6-fold Vario Chassis 6R

CPU Unit / CON Unit

1.4 kg (3.1 lb)

Shipping Box

4.6 kg (10.1 lb)

Devices in the 6-fold Vario Chassis 6BP / 6BPF

CPU Unit / CON Unit

2.5 kg (5.5 lb)

Shipping Box

3.5 kg (7.7 lb)

Devices in the 21-fold Vario Chassis

CPU Unit / CON Unit

10.0 kg (22.1 lb)

Shipping Box

14.5 kg (32.0 lb)

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Troubleshooting

2014-04-15 75

8 Troubleshooting

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8.1 General Failures

Diagnosis Possible Reason Measure

Parameter not set or
saved

 Write parameter into Config.txt

file and save changes.

Start Commanc #CFG
not set

 Write start command #CFG into

first line of the Config.txt file.

Parameter written
incorrectly

 Check correct spelling and

capitalization.

Config.txt
parameter
without function

Extender not restarted  Restart extender.

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8.2 Blank Screen

CPU Module CON Module

231

12

3

231

2

3

1

Rear View Rear View

Diagnosis Possible Reason Measure

LED 3 off

Power supply

 Check power supply units and

the connection to the power
network.

LED 1 on or
LED 2 off

Connection between
CON Unit and CPU Unit

 Check interconnect cables and

connections.

CPU Unit:
LED 3 red or
yellow

No video signal detected
by source (computer,
CPU)

 Check DVI-D cable to CPU
 Download DDC information from

console monitors (see
Chapter

6.1, Page 54).

Reboot CPU if necessary.

No monitor detected

 Check connection, length and

quality of the DVI-D cable to
monitor, tighten cable
thumbscrews.

CON Unit:
LED 3 red or
yellow

No video signal detected
from CPU Unit

 Check connection, length and

quality of interconnect cables
between the units.

 Download DDC information from

console monitors (see
Chapter

6.1, Page 54).

Reboot CPU if necessary.

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Troubleshooting

2014-04-15 77

8.3 USB-HID

CPU Module CON Module

231

12

3

231

2

3

1

Rear View Rear View

Diagnosis Possible Reason Measure

Keyboard LEDs
Shift and Scroll
are blinking

Keyboard in Command
Mode

 Press <Esc> to leave Command

Mode.

CPU Unit:
LED 3 green or
violet

No USB connection to
CPU

 Check connection of USB cable

to CPU; select another USB port
if necessary.

 Remove USB and power cable

and restart CPU. Connect power
cable first.

CON Unit:
LED 3 green or
violet

Problems with USB
connection

 Check connection of USB cable

to USB-HID device.

 Remove DVI and power cable

and restart CON Unit. Connect
power cable first.

No USB-HID device  Connect USB-HID device.

USB device
without function

USB-HID device is not
supported

 Contact dealer if necessary.

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8.4 Serial Connection

Diagnosis Possible Reason Measure

Settings of the serial
interface

 Check Baud rate and general

settings.

No serial connection to
CPU

 Check connection via serial

cable.

Serial device
not operational

No serial connection to
end device (e.g. touch
screen, keyboard)

 Connect serial end device and

switch it on.

 Check connection via serial

cable.

Touch screen
not operational

Hardware handshake

 Adjust serial interface to X-ON /

X-OFF software handshake.

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8.5 Analog Audio

Diagnosis Possible Reason Measure

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.

CON Unit:
No signal at
audio output

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.

CPU Unit:
No signal at
audio output
(microphone)

No audio connection to
audio sink (e.g. CPU)

 Check connection to CPU.
 Check connection of audio cable.
 Check audio configuration.

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Troubleshooting

2014-04-15 79

8.6 Digital Audio

CPU Module CON Module

1

1

Rear View Rear View

Diagnosis Possible Reason Measure

No audio connection to
CPU / audio source

 Connect digital audio source.
 Check connection of audio cable.

CPU Unit:
LED 1 red

No signal  Switch digital audio source on.

 Activate digital output at CPU /

audio source.

No audio connection to
audio sink
(e.g. speakers)

 Connect digital audio sink.
 Check connection of audio cable.

CON Unit:
LED 1 red

No signal  Check signal at CPU Unit.

No signal /
LEDs 1 OK

Digital Silence at active
audio source

 Check LEDs at CPU Unit.
 Check audio format.
 Change audio input.

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8.7 Upgrade Module USB-HID

CPU Module CON Module

1

23

1

23

Rear View Rear View

Diagnosis Possible Reason Measure

LED 1 / 2 off Device at higher / lower

USB-HID port not
detected

 Check connection of USB cable

to USB-HID device.

 Connect USB-HID device.
 Contact dealer if necessary.

CPU Unit:
LED 3 off

Connection between
CON Unit and CPU Unit

 Check interconnect cable and

connectors.

CON Unit:
LED 3 off

Keyboard in Command
Mode

 Press <Esc> to leave Command

Mode.

Connection between
CON Unit and CPU Unit

 Check interconnect cable and

connections.

CON Unit:
LED 3 flashing
slowly

Keyboard in Command
Mode

 Press <Esc> to leave Command

Mode.

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Troubleshooting

2014-04-15 81

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8.8 USB 2.0 embedded

CPU Module CON Module

1

23

1

23

Rear View Rear View

Diagnosis Possible Reason Measure

CPU & CON
Unit:
LED 3 off

No connection to CPU

 Check connection USB cable to

CPU; select another USB port if
necessary.

 Remove USB and power cable

and restart CPU. Connect power
cable first.

CPU & CON
Unit:
LED 2 off

No connection between
CON Unit and CPU Unit

 Check interconnect cable and

connectors.

No USB 2.0 device  Connect USB 2.0 device.

CPU & CON
Unit:
LED 2 off and
USB 2.0 device
without function

USB 2.0 device is not
supported

 Check installation at the CPU,

also the necessary drivers.

 New connection of the USB 2.0

device.

 Contact dealer if necessary.

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8.9 USB 2.0

CPU Module CON Module

12

3

12

3

12

3

12

3

Rear View Rear View

Diagnosis Possible Reason Measure

CPU Unit:
All LEDs off

No connection to CPU

 Check connection USB cable to

CPU; select another USB port if
necessary.

 Remove USB and power cable

and restart CPU. Connect power
cable first.

CON Unit:
LED 3 red

Connection between
CON Unit and CPU Unit

 Check interconnect cable and

connectors.

No USB 2.0 device  Connect USB 2.0 device.

CON Unit:
LED 3 flashing
green / light
blue and
USB 2.0 device
without function

USB 2.0 device is not
supported

 Check installation at the CPU,

also the necessary drivers.

 New connection of the USB 2.0

device.

 Contact dealer if necessary.

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Technical Support

2014-04-15 83

9 Technical Support

Prior to contacting support please ensure you have read this manual, and
then installed and set-up your KVM Extender 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:

 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

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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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:
474 Series

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.

Certificates

2014-04-15 85

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 Product Safety

The product safety of the devices is proven by the compliance to the
following standards:

 IEC 60950-1A1:2010
 EN 60950-1/A12:2011
 UL 60950-1-2007
 CAN/CSA-C22.2 60950-1-07

The compliance is verified and confirmed by TÜV Süd, Germany.

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10.4 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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10.5 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

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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.
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.
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

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88 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 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.

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 89

Term Explanation

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.

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