Digitus Switcher User manual

- 1 -
1
4-Port Pocket
USB KVM Switch with USB 2.0 Hub
Manual

- 2 -
Index
1. INTRODUCTION............................................................................................. 3
1.1 F EATURES ...................................................................................................... 3
1.2 P HYSICAL D IAGRAM ......................................................................................... 4
1.3 P ACKAGE C ONTENTS ....................................................................................... 4
2. SPECIFICATIONS .......................................................................................... 5
2.1 ERAL .............................................................................................................. 5
2.2 LED I NDICATORS ............................................................................................. 6
3. INSTALL THE USB KVM SWITCH ................................................................. 7
3.1 S YSTEM R EQUIREMENTS .................................................................................. 7
3.2 H ARDWARE I NSTALLATION ................................................................................. 7
3.3 Notice for Sun Micro System user.................................................................. 7
3.4 P OWERING U P THE S YSTEMS ............................................................................ 7
3.5 D RIVER I NSTALLATION ...................................................................................... 7
3.6 U SING THE OSD P ROGRAM .............................................................................. 10
4. SWITCHING THE USB KVM SWITCH............................................................ 13
*AUTO-SWITCH FUNCTION............................................................................... 15
*AUTO-SCAN FUNCTION................................................................................... 15
*Sun Micro System Key Emulation...................................................................... 17

- 3 -
3
1. Introduction
Thank you for purchasing our USB KVM Switch! You now have a high
quality and durability system that can give you the control over multiple
computers/servers from one console (Mouse, Keyboard and Monitor).
1.1Features
1. Controls 4 computers from a single console (Keyboard/Mouse) over USB
connection using standard USB cables.
2. Supports PS/2 and USB Keyboard/Mouse (Hot-Key function supports
only on PS/2 Keyboard).
3. Fully compliant with the USB 2.0 specification.
4. Supports Windows, Linux, Mac OS9/OSX, SunMicro Solaris 8 (For Sun
Micro users, the external power adaptor is necessary when using the
KVM Switch).
5. Supports 3 USB 2.0 downstream ports.
6. 4 computers can share 3 USB 2.0 Downstream ports.
7. Supports 3 types of switching: hardware push button, Hot-Keys on PS/2
keyboard, and On-Screen-Display (OSD) utility software (for Windows
only).
8. OSD and LED display for easy status monitoring.
9. OSD utility indicates:
1. Power status of connected computer(s).
2. Active host computer.
10.Provide HUB switching in independent method or combination with the
host switching( AutoSwitch mode ).
11.Auto-Scan function (Time interval can be adjusted between 5-20
seconds when the Auto-Scan function is enable).
12.Supports VGAresolutions up to 2048x1536 @ 85HZ.
13.Plug and Play (Windows 98/SE users might need your Windows CD to
install the HID driver for USB Keyboard/Mouse).

- 4 -
1.2Physical Diagram
1.3 Package Contents
The product you purchased should contain the equipment and
accessories shown as follows:
1. USB KVM Switch.
2. 2 pcs. KVM cable sets, 1,8 m
3. CD with users manual, On-Screen-Display(OSD) utility.
Host LED HUB
Push Button
AutoScan Button AutoScan LED C Hub AutoSwitch LED

- 5 -
5
2. Specifications
2.1 General
Specification
Operating Temperature 5~ 40°C
Humidity 0%~80%RH
Dimensions (LxWxH) 200 x 82 x 44mm
Unit Weight 721g
Number Of Computer Controlled 4
PS/2 Keyboard & Mouse Support Yes
Keyboard Hot-Key Switching Supported Yes (By PS/2 Keyboard only)
USB 2.0 Downstream ports 3
Compliant with USB Version USB 1.0 / USB 1.1 / USB 2.0
Compliant with HID Version USB HID 1.1, 2.0
Over-Current protection design for USB
Downstream ports Yes
Power By Host or ExternalAdaptor (Optional)
Basic Power Consumption DC 5V
Bus-Power limit current protection 500mA (When external adaptor applied)
Output Voltage 5V
Output Current 2A
OSD (On Screen Display) Yes (Application Program, Windows only)
DDC, DDC2 monitor Yes (Max. Resolution: 2048x1536)
Hot Pluggable Yes (USB & PS/2)
Auto-Scan function Yes (5 ~20 seconds)
Support Sun Micro Serious Yes
Support Mac Serous Yes
Support Linux Serious Yes
Device driver No

- 6 -
2.2 LED Indicators
l Power status LED indicator:
On (Green): The power is connected and the device is ready to work.
Off: No power is connected.
l USB 2.0 Downstream Ports LED Indicator:
ON (Green): USB ports are ready to work.
Off: USB ports are in over-current condition or are not ready to work.
Note:
If over-current situation happens for certain USB downstream ports, the
corresponding USB 2.0 indicator will turn OFF to indicate that these ports
is not working now. When over-current situation is solved, the USB
indicator will turn ON again.
l Auto-Switch LED Indicator:
ON: Auto Switch mode is on.
Off(Green): Auto Switch mode is off.
l Auto-Scan LED Indicator:
Off: Auto Scan mode is off.
ON (Green): Auto Scan mode is on.
l PC Host LED Indicator (Red):
ON: Indicates which Host PC is selected.
l HUB LED Indicator (Green):
ON: Indicates which Host connect with the three USB 2.0 downstream
HUB ports.

- 7 -
7
3. Install USB KVM Switch
3.1 System Requirements
APC with 1 spare USB port and 1 VGA port.
Windows 98 or later, Mac OS9/OSX, Solaris 8 (SUN BLADE 100), Linux
Kernel 2.3 or later.
3.2 Hardware Installation
Make sure that the USB port of your computer is enabled and working
properly.
Connect the USB cable Type-A end to the USB port of your computer,
and the USB cable Type-B end to the any available upstream on USB
KVM Switch.
Connect the VGA male-to-female cable between the video port of your
computer and video port that corresponds to the USB port you selected in
step 2.
Repeat steps 1-3 for any other computers you are connecting up. Up to 4
computers can be connected at the same time.
Plug the power adaptor cable into the USB KVM Switch (optional).
3.3 Notice for Sun Micro System user
Since some Sun Micro system will detect the monitor information, if
system fail to get information from the Monitor, then you won’t get any
screen came out. So for safety, “YOU MUST SWITCH USB KVM
SWITCH TO THE SUN MICRO SYSTEM”before you power on the Sun
Micro System.After you seeing the screen from the Sun Micro System,
then you can switch to any other Host. If you have multiple Sun Micro
systems, then you have to repeat this procedure one by one.
3.4 Powering up USB KVM Switch
USB KVM Switch supports USB plug & play technology. All the
components can be added and removed at any time without the need to
shut the unit down.
3.5 Driver Installation (Windows 98/SE only)
After you connect USB KVM Switch to your PC, Win 98 will automatically
detect the device and prompt for the driver installation. Please install USB
KVM Switch by following the instruction from Step A-E.Please have your
Windows 98 CD ready.

- 8 -
Fig. A
Fig. B
Fig. C
A. Press “Next”to
Continue.
(Ref. Fig. A)
B. Tick “Search for the
best driver for your
device”and press “Next”
to continue.
(Ref. Fig. B).
C. Please insert the
“Windows 98”CD into
your CD-ROM drive. Tick
“CD-Rom drive”
and press
“Next”to continue.
(Ref. Fig. C)

- 9 -
9
Fig. D
Fig. D1
* The driver might be located in a different directory from the figure
above.
D. Press “Next”to start
the installation process.
(Ref. Fig. D)
D1. 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. *
(Ref. Fig. D1)

- 10 -
Fig. D2
Fig. E
3.6 Using the OSD program
Fig. F
D2. Press “OK”to
continue
(Ref. Fig. D2)
E. Press “Finish”and
Windows has finished
installing the USB Human
Interface Device driver for
PS/2 keyboard & mouse.
(Ref. Fig. E)