Digitus DS-12800 User Manual

DVI Desktop 4-Port

Audio-Combo-KVM Switch

User’s Manual

(DS-12800)

4 Ports USB 2.0 DVI KVM Switch with HUB and Au di o User’s Manual

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Index

1 INTRODUCTION .................................................................................................................................... 2

1.1 FEATURES ......................................................................................................................... 2

1.2 PHYSICAL DIAGRAM ......................................................................................................... 3

1.3 PACKAGE CONTENTS ......................................................................................................... 3

2 SPECIFICA TIONS ................................................................................................................................... 4

2.1 GENERAL .......................................................................................................................... 4

2.2 LED INDICATORS .............................................................................................................. 5

3 INSTALLATION ...................................................................................................................................... 6

3.1 SYSTEM REQUIREMENTS ................................................................................................... 6

3.2 HARDWARE INSTALLATION ............................................................................................... 6

3.3

FIRMWARE DOWNLOAD CONNECTOR……………………………………………………7

3.4

USB ENUMERATION TIME .................................................................................................. 7

3.5 NOTICE FOR SUN MICRO SYSTEM USER ............................................................................ 7

3.6 DRIVER INSTALLATION ...................................................................................................... 8

4 OPERATIONS ......................................................................................................................................... 11

4.1 HOST SELECTION ............................................................................................................. 1 1

4.2 USB HUB SELECTION ..................................................................................................... 12

4.3 AUDIO SELECTION .......................................................................................................... 13

4.4 AUTO-SCAN FUNCTION: .................................................................................................. 14

4.5 BUZZER SETUP ................................................................................................................ 14

4.6 RESTORE FACTORY DEFAULT SETTINGS............................................................................ 14

4.7 HOT KEY SUMMARY ....................................................................................................... 15

4.8 SUN MICRO SYSTEM FUNCTION KEY EMULATION: ......................................................... 17

5 DISPLAY INTERFACE CONNECTION ............................................................................................... 18

5.1 DISPLAY INTERFACE INTRODUCTION ............................................................................... 18

5.2 CONNECT TO DVI MONITOR (DIGITAL INTERFACE) ........................................................ 19

5.3 CONNECT TO VGA MONITOR (ANALOG INTERFACE) ...................................................... 19

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1 Introduction

Thank you for purchasing of 4 Ports USB 2.0 DVI KVM Switch with USB 2.0
HUB and Audio. You now have a high quality and durability system to control

multiple computers/servers from one console (Mouse, Keyboard, Monitor,
Microphone and Speaker).

1.1 Features

1 Controls 4 computers from a single console (keyboard/mouse) over USB connection by

using standard USB cables.

2 Supports PS/2 keyboard/mouse and USB keyboard/mouse.
3 Compliant with USB Specification Revision 2.0 and USB Device Class Definition

for HID Revision 1.11.

4 Four computers can share two USB downstream ports.
5 Supports two types of switching:

a. Push button on front panel

b. Hot keys on PS/2 and USB keyboard
6 LED display for easy status monitoring.
7 Supply Microsoft Intellimouse 3 ~ 5 Key Mouse & Microsoft Natural Keyboard Pro

series.

8 Supports DVI-I interface.
9 Supports WUXGA resolutions up to 1920 x 1200 @ 60HZ.
10 Supports Windows 98/98SE/2000/Me/Xp/VISTA, Linux, MAC OS9/OSX,

SUNMICRO Solaris 8 or later.

11 Provide HUB switching in independent method or combination with the host

switching (USB HUB Auto-Switch mode).

12 Provides audio switching in independent method.
13 Auto-Scan function (Time interval can be adjusted between 5-20 seconds when the

Auto-Scan function is enabled).

14 Plug and Play (Windows 98/SE users might need your Windows CD to install the

HID driver for USB keyboard/mouse.)

15 KVM firmware is upgradeable via on-board mini-USB download connector

and external mini-programmer.

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1.2 Physical Diagram

1.3 Package Contents

The product you purchased should contain the equipment and accessories shown
as follows:

1 1 x 4 Ports USB 2.0 DVI KVM Switch with USB 2.0 HUB and Audio.

2 2 x USB cable.

3 2 x DVI-D cable.

4 2 x Audio cable.

5 1 x External power adaptor DC 5V 2A

6 1 x User’s Manual

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2 Specifications

2.1 General

Specification

Number Of Computer Controlled 4
Selection Method Push Button/Hot Key

LEDs

Host Selected LED (RED)
HUB Selected LED (Green)

Auto Switch & Auto Scan LED (Green)
Compliant with USB Version USB1.0 / USB1.1 / USB2.0
Compliant with HID Version USB HID 1.11

PC Connectors

Video 4 x DVI-I WUXGA female
USB 4 x USB Type B female
Microphone 4 x Audio Jack Female (Pink)
Speaker 4 x Audio Jack Female (Green)

Console port

Video 1 x DVI-D WUXGA female
Keyboard 1 x PS/2 6 pin mini-DIN female
Microphone 1 x Audio Jack Female (Pink)

Speaker 1 x Audio Jack Female (Green)
USB Downstream ports 2 x USB Type A female
Auto-Scan Interval 5,10,15,20 sec
DDC, DDC2 monitor Yes(Max.Resolution:1920x1200 @60Hz)

Operating system supported

Win 98/98SE/ME/2000/XP/Vista,
Mac OS9/X, Linux, Sun Micro OS

Cables Included 2 sets of USB, DVI and audio cable
Cable Length 1.8M
Power By External Adaptor
Output Voltage 5V
Output Current 2A
Hot Pluggable Yes

Firmware upgrade connector Mini USB female

Dimensions (LxWxH) 280 x 91 x 54 mm
Unit Weight 1018g

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2.2 LED Indicators

 Host Selected Indicators (RED)

ON: Indicates which PC is available and selected.
Flash: Indicates which Host PC is selected but is not available

 Hub Selected Indicators (GREEN)

Indicates which PC is connecting with USB downstream ports..

 Hub auto-switch / Auto-Scan Indicator (GREEN)

ON: Hub Auto-Switch mode is active. The USB HUB will switch with PC.
OFF: Hub Auto-Switch mode is inactive. The USB HUB is independent from

PC and must be switched by hot key.
Flash: Auto-Scan mode is active.

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3 Installation

3.1 System Requirements

1 Computer: PC with 1 spare USB port and 1 DVI port.
2 Operating system: Windows 98/98SE/2000/ME/XP/Vista, Mac OS9/OSX, Linux

Kernel 2.3 or later, Solaris 8 or later, Sun Micro OS.

3 DVI cable to computer: 1 DVI-I or DVI-D male-to-male cable per computer. (DVI-D

cable is accessoriy).

4 USB cable: 1 USB cable with one Type-A end and one Type-B end per computer.

(accessoriy)

5 Audio cable: 1 audio cable with speaker and micphone per computer. (accessoriy)
6 One monitor supports DVI interface, and one DVI-D cable to monitor.
7 USB and/or PS/2 keyboard/mouse as you want.
8 One speaker and micphone with relative cable if necessary.
9 Other USB device to USB downstream port if necessary.

Notes: The typical display connection is DVI monitor, if you want to use VGA
monitor instead, please refer section 5 “Display Interface Connection” for detail.

3.2 Hardware Installation

1 Connect USB and/or PS/2 keyboard/mouse to the specific front ports of KVM.
2 Connect all audio cable to each computer, KVM, speaker and micphone if necessary.
3 Connect other USB devices to USB downstream ports if necessary.
4 Connect the monitor DVI cable to the monitor output port of KVM.

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5 Apply DC 5V power adaptor to power this KVM Switch.
6 Connect the DVI cable between the DVI port on the computer’s display card and the

DVI input port of KVM.

7 Make sure that the USB function of your computer is enabled and working properly.

Connect the USB cable’s Type-A end to the computer’s USB port, and the cable’s
Type-B end to the KVM’s USB upstream port.

8 Turn on the computers and make sure that the USB ports are enabled and working

properly.

3.3 Firmware download connector

The min-USB female connector on the rear of KVM switch is for firmware
upgrade function. To update your KVM firmware, please contact with your dealer.

3.4 USB enumeration time

This KVM Switch supports USB plug & play; all the components can be added
and removed at any time without the need to shut the unit down. However, it will
take several seconds to enumerate USB device, the time consumed depends on the
number of USB devices and the speed of computer.

3.5 Notice for Sun Micro System user

Due to some Sun Micro systems do not support the USB 2.0 HUB feature during
the booting period, if you are using such Sun Micro System, it is possible that you

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will see the system show up keyboard detected failed message, screen go to blank
for few minutes, then the login screen will come out.

Since Sun Micro system does not support multiple keyboard and mouse, please
make sure only one set of keyboard and mouse on your KVM and your Sun Micro
computer.

Depends on the display card settings, it’s possible that you can not see the boot
message on DVI monitor until the login window is displayed. The boot message
may display on traditional VGA channel instead.

3.6 Driver Installation

3.6.1 OS without driver installation

No driver is needed for the following operation systems.

1. Windows ME/2000/2003/XP/VISTA

2. MAC OS9/OSX

3. Linux kernel 2.3 or later

4. Sun Micro Solaris 8 or later

3.6.2 W indows 98/SE

After you connect this KVM Switch to your PC, Windows 98 will automatically
detect the device and prompt for the driver installation. Please prepare your
Windows 98 CD ready, and install the driver by following the instructions.

A. Press “Next” to Continue.

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B. Tick “Search for the best
driver for your device” and
press “Next” to continue.

C. Please insert the
“Windows 98” CD into your
CD-ROM drive. Tick
“CD-Rom drive” and press
“Next” to continue.

D. Press “Next” to start the
installation process.

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E. Sometimes Windows
cannot locate the necessary
driver automatically. So you
need to choose “Browse” to
specify the location of the
driver on your “Windows
98” CD manually.

F. Press “OK” to continue.

G. Press “Finish” to finish
installing the USB Human
Interface Device driver for
keyboard & mouse.

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4 Operations

4.1 Host Selection

4.1.1 Host Switch by Push Button

You can switch to any desired USB host connection by pushing the push button on
the front panel of KVM Switch.

4.1.2 Hot Key Support

The hot key function is working on both PS/2 and USB keyboard which is plugged
at port marked with keyboard logo of the KVM. However, there is no hot key
support for USB keyboard which is plugged to the USB downstream ports which
locate on upper part of the KVM.

4.1.3 Change Leading Hot Key

The leading hot key is [Scroll Lock] by default. However, you can change the
leading hot key if you want. By pressing [Ctrl] twice, [New Hot Key], then press

[Enter], you can change the leading hot key. The available leading hot key are
[Scroll Lock], [Num Lock] and [Caps Lock].

 Setup leading hot key to [Scroll Lock]

[Ctrl] + [Ctrl] + [Scroll Lock] + [Enter]

 Setup leading hot key to [Num Lock]

[Ctrl] + [Ctrl] + [Num Lock] + [Enter]

 Setup leading hot key to [Caps Lock]

[Ctrl] + [Ctrl] + [Caps Lock] + [Enter]

4.1.4 Specific Channel Selection

You can select the computer you want to control by the following hot keys:

[Hot Key] + [Hot Key] + [1]: Switch control to host 1
[Hot Key] + [Hot Key] + [2]: Switch control to host 2
[Hot Key] + [Hot Key] + [3]: Switch control to host 3
[Hot Key] + [Hot Key] + [4]: Switch control to host 4

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4.1.5 Channel Shift Function

 Switch control to previous host:

[Hot Key] + [Hot Key] + [Left Arrow]

 Switch control to next host

[Hot Key] + [Hot Key] + [Right Arrow ] or

[Hot Key] + [Hot Key] + [Enter]

4.1.6 [ALT] Channel Shift Function

[ALT] channel shift function is OFF by default. After [ALT] channel shift
function is enabled, you can press left [ALT] or right [ALT] key twice, the active

host will automatically shift to left or right one channel (channel decrease /
increase to next).

 Enable/Disable [ALT] channel shift function

[Hot Key] + [Hot Key] + [ALT] + [Enter]

 Switch control to previous host

[Left AL T] + [Left AL T]

 Switch control to next host

[Right ALT] + [Right ALT]

4.1.7 Host Selected Indicator

The Host Selected LED (Red LED) on KVM front panel indicates the host port
status:

 OFF: Indicates the host port is not selected.
 ON: Indicates the host port is available and selected.
 Flash: Indicates the host port is selected but is not available

4.2 USB Hub Selection

4.2.1 USB Hub Switch by Push Button

You must enable Hub Auto-Switch function before you can use push button to
switch USB Hub. There are two ways to toggle Hub Auto-Switch alternatively:
Press any push button on KVM front panel for 3 seconds.
By using hot key: [Hot Key] + [Hot Key] + [H]

After Hub Auto-Switch function is enabled, the Hub auto-switch / Auto-Scan
Indicator on front panel will turn ON statically, and USB hub can be switched
along with selection of host port by push button on front panel. The USB hub

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switching time is one second later after port switch, the reason to delay the USB
hub switch is to decrease USB enumeration loading if user changes active port
very fast.

4.2.2 Hot Key Switch for USB Hub Selection

If Hub Auto-Switch function is disabled, the USB hub switch is independent
from host port. You can use the following hot keys to switch USB hub to specific
port:

[Hot Key] + [Hot Key] + [Q]: Switch USB hub to port 1
[Hot Key] + [Hot Key] + [W]: Switch USB hub to port 2
[Hot Key] + [Hot Key] + [E]: Switch USB hub to port 3
[Hot Key] + [Hot Key] + [R]: Switch USB hub to port 4

If Hub Auto-Switch function is enabled, USB hub will be switched along with
selection of host port by Hot Key. In this mode, hot key [Hot Key] + [Hot Key] +

[Q/W/E/R] for USB hub switching are disabled.

[Hot Key] + [Hot Key] + [1]: Switch both host and hub to port 1
[Hot Key] + [Hot Key] + [2]: Switch both host and hub to port 2
[Hot Key] + [Hot Key] + [3]: Switch both host and hub to port 3
[Hot Key] + [Hot Key] + [4]: Switch both host and hub to port 4

4.2.3 Hub Selected Indicator

The Hub Selected LED (Green LED) on KVM front panel indicates the USB hub
selection status:

OFF: Indicates the USB hub is not active at this port.
ON: Indicates the USB hub is active at this port.

4.3 Audio Selection

The audio selection is always independent from host port separately, and you
must use the following hot keys to switch audio to specific port. There is no any
indicator for audio selection.

[Hot Key] + [Hot Key] + [Z]: Switch audio to port 1
[Hot Key] + [Hot Key] + [X]: Switch audio to port 2
[Hot Key] + [Hot Key] + [C]: Switch audio to port 3
[Hot Key] + [Hot Key] + [V]: Switch audio to port 4

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4.4 Auto-Scan Function:

4.4.1 Activate Auto-Scan

Press [Hot Key] + [Hot Key] + [S] will activate Auto-Scan function, and the
KVM will shift the display through all the ports sequentially.

4.4.2 Auto-Scan time Interval

The default time interval of Auto-Scan is 5 seconds. You can press the numeric key
[1], [2], [3], [4] to adjust the time interval during auto-scan. The mapping table is:

n Scan Interval

[1]

5 sec.

[2]

10 sec.

[3]

15 sec.

[4]

20sec.

4.4.3 Stop Auto-Scan

Press push button on KVM front panel or any keys on keyboard excluding number
key [1], [2], [3] and [4] to turn off the Auto-Scan function, the monitor screen will
jump back to the original host port before auto-scan.

4.5 Buzzer Setup

Press [Hot Key] + [Hot Key] + [B], the buzzer sound will be disabled / enabled
alternately. The buzzer sound default setting is ON.

4.6 Restore factory default settings

Press [Hot Key] + [Hot Key] + [F10] to restore factory default settings:

 Leading hot key: Scroll Lock
 [ALT] channel shift function: OFF
 Hub Auto-Switch function: OFF
 Buzzer: ON
 Auto-Scan time interval: 5 seconds

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4.7 Hot Key Summary

Step 1 Step2 Action

Set leading hot key to [Scroll Lock]

Set leading hot key to [Caps Lock]
Set leading hot key to [Num Lock]

Enable/Disable USB HUB Auto-Switch

Switch to host 1
Switch to host 2
Switch to host 3
Switch to host 4

Switch next host

Switch the upper one host

Switch the next one host

Switch to the audio 1
Switch to the audio 2
Switch to the audio 3
Switch to the audio 4

Switch to the HUB 1

(Available only USB Hub Auto-Switch disabled)

Switch to the HUB 2

(Available only USB Hub Auto-Switch disabled)

Switch to the HUB 3

(Available only USB Hub Auto-Switch disabled)

Switch to the HUB 4

(Available only USB Hub Auto-Switch disabled)

Enable/Disable buzzer

Enable/Disable [ALT] channel shift

(L) (L)

Switch the upper one host

(Available only [ALT] channel shift enabled)

(R) (R)

Switch the next one host

(Available only [ALT] channel shift enabled)

Restore to factory default settings.

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Start to Auto-Scan

No [Hot Key]

needed

*

Auto-Scan time interval is 5 seconds

(Available only when Auto-Scan function is ON)

*

Auto-Scan time interval is 10 seconds

(Available only when Auto-Scan function is ON)

*

Auto-Scan time interval is 15 seconds

(Available only when Auto-Scan function is ON)

*

Auto-Scan time interval is 20 seconds

(Available only when Auto-Scan function is ON)

* Notice: To adjust the interval time for Auto Scan, you do not need to press the

[Hot Key], and this can be used only by normal number key.

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4.8 Sun Micro System Function Key Emulation:

There are 16 special functions on the Sun Micro system keyboard, the KVM Switch can emulate

these function keys. Here is the mapping table for Sun Micro function key emulation. To active these
emulation, you have to press the LEFT Window KEY first (this key usually is located between the
left [Ctrl] and left [Alt]), then choice the second relative key.

Sun Micro System

Function Key

Emulation Key

Stop L_Win & L_Alt

Props L_Win & L_Ctrl

Compose L_Win & L_Shift

Front L_Win & F1
Open L_Win & F2

Find L_Win & F3

Again L_Win & F4

Undo L_Win & F5

Copy L_Win & F6

Paste L_Win & F7

Cut L_Win & F8

Help L_Win & F11

Power L_Win & F12

Mute L_Win & 1

Volume Down L_Win & 2

Volume UP L_Win & 3

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5 Display Interface Connection

5.1 Display Interface Introduction

As well as digital signals, the DVI connector includes pins providing the same analog
signals found on a VGA connector, allowing a VGA monitor to be connected with a
simple plug adapter. This feature was included in order to make DVI universal, as it
allows either type of monitor (analog or digital) to be operated from the same connector.

Depending on what kind of signal implemented, the type of DVI connectors have:

 DVI-D (digital only)

 DVI-A (analog only)

 DVI-I (integrated, digital & analog)

 DVI/VGA converter

DVI to VGA converter

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5.2 Connect to DVI Monitor (Digital Interface)

If you connect the KVM switch to monitor’s DVI port with DVI-D cable, then the video
signal from display card MUST be in digital interface. You can connect KVM switch with
your display card of each computer via DVI-I or DVI-D cable.

Interface to display card Signal Type Support Status

DVI-I Analog/Digital Yes
DVI-D Digital Yes
DVI-A Analog No

VGA / DVI converter Analog No

5.3 Connect to VGA Monitor (Analog Interface)

If you connect the KVM switch to monitor’s VGA port with DVI to VGA converter,
then the video signal from display card MUST be in analog interface. You can connect
KVM switch with your display card of each computer via DVI-I cable or DVI to VGA
converter. You may need additional VGA extension cable for each DVI to VGA converter.

Interface to display card Signal Type Support Status

DVI-I Analog/Digital Yes
DVI-D Digital No
DVI-A Analog Yes

VGA / DVI converter Analog Yes

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Disclaimer

Information in this document is subject to change without notice. The manufacturer does not make any representations or
warranties (implied or otherwise) regarding the accuracy and completeness of this document and shall in no event be liable for
any loss of profit or any other commercial damage, including but not limited to special, incidental, consequential, or other
damages.

No part of this document may be reproduced or transmitted in any form by any means, electronic or mechanical, including
photocopying, recording or information recording and retrieval systems without the express written permission of the
manufacturer.

All brand names and product names used in this document are trademarks, or registered trademarks of their respective holders.

FCC Statement

This device generates and uses radio frequency and may cause interference to radio and television reception if not installed and
used properly. This has been tested and found to comply with the limits of a Class B computing device in accordance with the
specifications in Part 15 of the FCC Rules. These specifications are designed to provide reasonable protection against such
interference in a residential installation. However, there is no guarantee that interference will not occur in a particular installation.
If this device does cause harmful interference to radio or television reception, which can be determined by plugging the device
in and out, the user can try to correct the interference by one or more of the following measures:

 Reorient or relocate the receiving antenna.
 Increase the separation between the device and receiver.
 Connect the computer into an outlet on a circuit different from that to which the receiver is connected.
 Consult the dealer or an experienced radio/TV technician for help.