Digitus Desktop 4-PortAudio-Combo-KVM Switch User manual

Desktop 4-Port
Audio-Combo-KVM Switch
User’s Manual
(DS-12403)

4 Ports USB 2.0 KVM Switch with HUB and Audio User’s Manual
- 1 -
Index
1INTRODUCTION .................................................................................................................................... 2
1.1 FEATURES ......................................................................................................................... 2
1.2 PHYSICAL DIAGRAM ......................................................................................................... 3
1.3 PACKAGE CONTENTS......................................................................................................... 3
2SPECIFICATIONS ................................................................................................................................... 4
2.1 GENERAL .......................................................................................................................... 4
2.2 LED INDICATORS .............................................................................................................. 5
3INSTALLATION...................................................................................................................................... 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
4OPERATIONS.........................................................................................................................................11
4.1 HOST SELECTION .............................................................................................................11
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

4 Ports USB 2.0 KVM Switch with HUB and Audio User’s Manual
- 2 -
1Introduction
Thank you for purchasing of 4 Ports USB 2.0 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
1Controls 4 computers from a single console (keyboard/mouse) over USB connection by
using standard USB cables.
2Supports PS/2 keyboard/mouse and USB keyboard/mouse.
3Compliant with USB Specification Revision 2.0 and USB Device Class Definition
for HID Revision 1.11.
4Four computers can share two USB downstream ports.
5Supports two types of switching:
a. Push button on front panel
b. Hot keys on PS/2 and USB keyboard
6LED display for easy status monitoring.
7Supply Microsoft Intellimouse 3 ~ 5 Key Mouse & Microsoft Natural Keyboard Pro
series.
8Supports VGA interface.
9Supports 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.

4 Ports USB 2.0 KVM Switch with HUB and Audio User’s Manual
- 3 -
1.2 Physical Diagram
1.3 Package Contents
The product you purchased should contain the equipment and accessories shown
as follows:
11 x 4 Ports USB 2.0 KVM Switch with USB 2.0 HUB and Audio.
22 x USB & VGA cable set.
32 x Audio cable.
41 x External power adaptor DC 5V 2A
51 x User’s Manual

4 Ports USB 2.0 KVM Switch with HUB and Audio User’s Manual
- 4 -
2Specifications
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 VGA WUXGA male
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 VGA 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, VGA 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

4 Ports USB 2.0 KVM Switch with HUB and Audio User’s Manual
- 5 -
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.

4 Ports USB 2.0 KVM Switch with HUB and Audio User’s Manual
- 6 -
3Installation
3.1 System Requirements
1Computer: PC with 1 spare USB port and 1 VGA port.
2Operating system: Windows 98/98SE/2000/ME/XP/Vista, Mac OS9/OSX, Linux
Kernel 2.3 or later, Solaris 8 or later, Sun Micro OS.
3VGA cable to computer: 1 VGA female-to-male cable per computer. (accessoriy).
4USB cable: 1 USB cable with one Type-A end and one Type-B end per computer.
(accessoriy)
5Audio cable: 1 audio cable with speaker and micphone per computer. (accessoriy)
6One monitor supports VGA interface, and one VGA cable to monitor.
7USB and/or PS/2 keyboard/mouse as you want.
8One speaker and micphone with relative cable if necessary.
9Other USB device to USB downstream port if necessary.
3.2 Hardware Installation
1Connect USB and/or PS/2 keyboard/mouse to the specific front ports of KVM.
2Connect all audio cable to each computer, KVM, speaker and micphone if necessary.
3Connect other USB devices to USB downstream ports if necessary.
4Connect the monitor VGA cable to the monitor output port of KVM.
5Apply DC 5V power adaptor to power this KVM Switch.
6Connect the VGA cable between the VGA port on the computer’s display card and the
VGA input port of KVM.
7Make sure that the USB function of your computer is enabled and working properly.

4 Ports USB 2.0 KVM Switch with HUB and Audio User’s Manual
- 7 -
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.
8Turn 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
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

4 Ports USB 2.0 KVM Switch with HUB and Audio User’s Manual
- 8 -
make sure only one set of keyboard and mouse on your KVM and your Sun Micro
computer.
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 Windows 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.

4 Ports USB 2.0 KVM Switch with HUB and Audio User’s Manual
- 9 -
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.