StarTechcom Switch SV231DPDDUA User Manual

2 Port Dual DisplayPort USB KVM Switch  
with Audio & USB Hub  
SV231DPDDUA  
*actual product may vary from photos  
DE: Bedienungsanleitung - de.startech.com  
FR: Guide de l'utilisateur - fr.startech.com  
ES: Guía del usuario - es.startech.com  
IT: Guida per l'uso - it.startech.com  
NL: Gebruiksaanwijzing - nl.startech.com  
PT: Guia do usuário - pt.startech.com  
Manual Revision: 01/11/2012  
 
Table of Contents  
Introduction............................................................................................1  
Packaging Contents ................................................................................................................................. 1  
System Requirements.............................................................................................................................. 1  
Front View.................................................................................................................................................... 2  
Rear View...................................................................................................................................................... 2  
Installation ..............................................................................................3  
Hardware Installation .............................................................................................................................. 3  
Driver Installation...................................................................................................................................... 4  
Operation ................................................................................................5  
Front Panel................................................................................................................................................... 5  
HotKey Control........................................................................................................................................... 5  
Alternative Hotkey Commands............................................................................................................ 8  
Change Leading Hotkey......................................................................................................................... 9  
Specifications..........................................................................................10  
Technical Support ..................................................................................11  
Warranty Information............................................................................11  
Instruction Manual  
i
 
Introduction  
The SV231DPDDUA 2-Port USB Dual DisplayPort KVM Switch with Audio and USB 2.0  
Hub combines next generation digital display standards with seamless KVM control,  
allowing you to switch between 2 dual head or twin DisplayPort systems. Also ideal  
for systems with a single DisplayPort output, and a second video source such as DVI or  
HDMI, using a low cost accessory adapter.  
Delivering multi-computer control for high-res multimedia applications, the dual view  
KVM supports resolutions of 2560x1600 (@60 Hz) with DisplayPort HD audio, as well as  
2-channel analog stereo audio and microphone input.  
Suitable for high quality static imaging, such as medical applications (MRI, X-ray, etc.), a  
maximum resolution of 3840x2400 is supported at reduced refresh rates  
Backed by a StarTech.com 3-year warranty and free lifetime technical support.  
Packaging Contents  
1 x SV231DPDDUA KVM switch  
1 x Power Adapter  
1 x Rubber Feet  
1 x Instruction Manual  
System Requirements  
DisplayPort enabled display device (e.g. monitor, projector, TV, etc.)  
DisplayPort enabled computer system/video card  
USB enabled computer system  
Standard 104-key wired USB keyboard  
Standard 3-button wired USB mouse  
3.5mm mini-jack Microphone and/or Speakers (OPTIONAL)  
Instruction Manual  
1
 
Front View  
Port Selection/Link  
LED  
Port Selection  
Button  
Rear View  
Instruction Manual  
2
 
Installation  
NOTE: Prior to the installation, please power off all devices that will be connected to  
this system.  
Ensure that all devices you will connect are properly grounded.  
Place cables away from fluorescent lights, air conditioners, and machines that are likely  
to generate electrical noise.  
If you experience any problems using a USB KVM switch, the following BIOS setup  
changes may be necessary for PC users and not necessary for Mac users:  
Set HALT ON ERROR to ALL BUT KEYBOARD.  
In PNP AND PCI SETUP, set PNP OS INSTALLED to YES and set USB IRQ to ENABLED.  
Different systems may use different naming, so contact your system manufacturer for  
further assistance with these settings.  
Hardware Installation  
*installation pictures are representations only  
1. Plug one or two monitor(s) into the Console’s DisplayPort connector; plug a USB  
keyboard and a USB mouse into the dedicated USB keyboard and mouse ports on  
the KVM switch. If using audio, also connect speakers with 3.5mm mini-jack plugs.  
2. Use male-to-male DisplayPort video cable(s) to connect the DisplayPort  
connector(s) on the computer’s video card, to one of the KVM’s PC ports (i.e. PC1).  
3. Use a USB type A-B Cable to connect the KVM’s USB port (type B, square connector)  
Instruction Manual  
3
 
for the PC port used in Step 2, and the USB port on the computer (type A, flat  
connector). If using audio, connect 3.5mm mini-jack cables from the PC port to the  
sound card.  
NOTE: A DisplayPort + USB KVM combo cable is also available which can be used in  
place of separate individual cables, StarTech.com ID: DP4N1USB6.  
4. Repeat Steps 2 and 3 for each PC port on the KVM switch, or each computer you  
wish to use on the KVM.  
5. OPTIONAL: Connect any other USB peripherals you wish to share between the  
connected computers/devices to the extra USB Hub ports on the Console side.  
6. Connect the external power adapter from a wall outlet to the power connector on  
the rear panel of the KVM switch.  
7. Power up the first computer/device and wait for it to fully boot and test keyboard/  
mouse functionality.  
8. Once operation has been successfully confirmed, switch to the next port and power  
up that computer/device and confirm.  
9. Once completed for all computers/devices connected to the KVM switch, you  
should be able to switch between ports freely.  
Driver Installation  
No driver installation is required for the KVM switch, as the keyboard and mouse  
use generic USB keyboard/mouse drivers that are already installed on any operating  
system that fully supports USB.  
Instruction Manual  
4
 
Operation  
Front Panel  
Port Selection/Link LED  
The LED turns green when the connected computer is powered-on. The corresponding  
LED will also illuminate red when that PC port is currently selected.  
Port Selection Button  
Each push of the Selection Button on the front of the KVM switch will immediately  
switch between the two ports on the KVM switch.  
AutoScan  
The system automatically scans through the power-on computers in sequence with a  
fixed interval (see Scan Time below).  
Scan Time  
Four options are available for users to set the Scan Time duration, it Includes 3, 8, 15  
and 30 seconds.  
Note: Scan Time is set to 3 seconds by default.  
HotKey Control  
A Hotkey command is a short keyboard sequence for selecting a computer, activating  
computer scan, etc. A hotkey sequence starts with two left <CTRL> keystrokes  
(successively within 0.2 seconds) followed by one or two more keystrokes. A built-in  
tone generator creates a high-pitch beep for correct hotkey command; otherwise, one  
low-pitch beep is generated for errors and the bad key sequence will not be forwarded  
to the selected computer.  
NOTE: Press and hold Left <SHIFT> and press <NumLock> twice, then release <SHIFT>  
followed by pressing left <CTRL> once, which will enable / disable the hotkey feature.  
To select a computer:  
Left <CTRL> + Left <CTRL> + <1>  
(Example: Selects the computer at port 1.)  
Left <CTRL> + Left <CTRL> + <2>  
(Example: Selects the computer at port 2.)  
NOTE: Do not use the keypad on the right-side of the keyboard.  
Instruction Manual  
5
 
Auto Scan  
The KVM automatically scans through the powered-on computers in sequence on a  
fixed time interval (see Scan Time below).  
Note: The keyboard and mouse are not operable during Auto Scan.  
To start Auto Scan:  
Left <CTRL> + Left <CTRL> + <F1>  
To abort the Auto Scan mode, press the left <CTRL> key twice. When Auto Scan detects  
any keyboard or mouse activity, it suspends the scanning till the activity stops; it then  
resumes with the next computer in sequence. The length of the Auto Scan interval  
(Scan Time) is adjustable, see below.  
Manual Scan allows users to manually switch back and forth between powered-on  
computers.  
Left <CTRL> + Left <CTRL> + <F2>  
To select the previous or the next computer, press <UP> or <DOWN> arrow keys. To  
abort the Manual Scan, press any other key.  
Scan Time  
Four options are available for users to set the Scan Time duration, it Includes 3, 8, 15  
and 30 seconds.  
Note: Scan Time is set to 3 seconds by default.  
To adjust Scan Rate, set the scan time of duration before switching to the next computer:  
Left <CTRL> + Left <CTRL> + <F3>  
The KVM Switch generates 1 to 4 beeps indicating a scan time duration for 3, 8, 15 or  
30 seconds respectively.  
Instruction Manual  
6
 
Audio Lock  
There are two options for Audio Lock: ON and OFF. When ON, audio selection follows  
computer selection. When OFF, audio selection stops following computer selection. It  
is useful if you want to listen to a particular computer’s audio signal while operating  
other computers.  
Left <CTRL> + Left <CTRL> + <F5>  
The KVM switch beeps once or twice corresponding to ON and OFF respectively.  
To change which computer port the audio stays on to the currently selected port, press  
the following hotkey:  
Left <CTRL> + Left <CTRL> + <A>  
USB-Port Rule  
There are two settings for USB-Port Rule: ON or OFF.  
When set to ‘ON, the USB Hub ports follows computer selection.  
When set to ‘OFF, the USB Hub ports stays on the currently selected PC port.  
Pressing the hotkey below to turn ON/OFF the USB-Port Rule on both USB Hub ports:  
Left <CTRL> + Left <CTRL> + <F7>  
To change the PC port that the USB hub stays on to the currently selected PC port,  
press the following hotkey:  
Left <CTRL> + Left <CTRL> + <U>  
NOTE: Please make sure that installation of the USB device has been accomplished  
before switching to the next computer.  
Instruction Manual  
7
 
Alternative Hotkey Commands  
In addition to the Left <CTRL> + Left <CTRL> hotkeys, there are two alternative hotkey  
sequences available.  
1. For the following operations, users may press <ScrollLock> twice instead of pressing  
left <CTRL> twice.  
To select a computer:  
<ScrollLock> + <ScrollLock> + <1>  
(Example: Select the computer at port 1.)  
<ScrollLock> + <ScrollLock> + <2>  
(Example: Select the computer at port 2.)  
NOTE: Do not use the keypad at the right of the keyboard.  
2. For those keyboards that do not have or support <ScrollLock>, please press and  
HOLD the Left <SHIFT> and press <NumLock> twice instead of pressing Left  
<CTRL> twice.  
To select a computer:  
hold Left <SHIFT> + press <NumLock> + press <NumLock>  
then release <SHIFT> + Press <1>  
Example: Select the computer at port 1.)  
hold Left <SHIFT> + press <NumLock> + press <NumLock>  
then release <SHIFT> + press <2>  
(Example: Select the computer at port 2.)  
NOTE: Do not use the keypad at the right of the keyboard.  
Instruction Manual  
8
 
Change Leading Hotkey  
The default leading hotkey sequence involves pressing the left <CTRL> twice in  
succession (e.g. left <CTRL> + left <CTRL>). This can be changed to the right <CTRL>  
key instead, to avoid accidental activation due to using the left <CTRL> key for  
functions such as Copy/Paste.  
To change the leading hotkey sequence to Right <CTRL>:  
Left <CTRL> + Left <CTRL> + hold <ALT> + press Right <CTRL>  
All hotkey commands that previously required pressing the Left <CTRL> will be  
switched to requiring the right <CTRL> instead.  
To change the leading hotkey sequence back to Left <CTRL>:  
Right <CTRL> + Right <CTRL> + hold <ALT> + press Left <CTRL>  
Instruction Manual  
9
 
Specifications  
Number of Ports  
2
2 x DisplayPort  
1 x USB type B  
Computer Connectors  
(per port)  
2 x 3.5mm mini-jack  
2 x DisplayPort  
4 x USB type A  
Console Connectors  
2 x 3.5mm mini-jack  
2560x1600@60Hz  
(higher resolutions may be supported  
at lower refresh rates)  
Maximum Video Resolution  
DDC2B Support  
Audio  
Yes  
Yes  
No  
On Screen Display  
Cascadable  
No  
Switching Modes  
Power Adapter  
Enclosure Material  
Operating Temperature  
Storage Temperature  
Humidity  
Front Panel Button, Hotkey  
9~12VDC, 1.5A  
Metal  
0°C ~ 40°C (32°F ~ 104°F)  
-20°C ~ 60°C (-4°F ~ 140°F)  
0 ~ 80% RH  
Dimensions (WxHxD)  
Weight  
161.0mm x 57.5mm x 100.0mm  
1200g  
Instruction Manual  
10  
 
Technical Support  
StarTech.com’s lifetime technical support is an integral part of our commitment to  
provide industry-leading solutions. If you ever need help with your product, visit  
documentation, and downloads.  
Warranty Information  
This product is backed by a three year warranty.  
In addition, StarTech.com warrants its products against defects in materials  
and workmanship for the periods noted, following the initial date of purchase.  
During this period, the products may be returned for repair, or replacement with  
equivalent products at our discretion. The warranty covers parts and labor costs only.  
StarTech.com does not warrant its products from defects or damages arising from  
misuse, abuse, alteration, or normal wear and tear.  
Limitation of Liability  
In no event shall the liability of StarTech.com Ltd. and StarTech.com USA LLP (or their  
officers, directors, employees or agents) for any damages (whether direct or indirect,  
special, punitive, incidental, consequential, or otherwise), loss of profits, loss of business,  
or any pecuniary loss, arising out of or related to the use of the product exceed the  
actual price paid for the product. Some states do not allow the exclusion or limitation  
of incidental or consequential damages. If such laws apply, the limitations or exclusions  
contained in this statement may not apply to you.  
Instruction Manual  
11  
 
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parts. StarTech.com was founded in 1985 and has operations in the United States,  
Canada, the United Kingdom and Taiwan servicing a worldwide market.  
 

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