StarTechcom Switch Sv231 User Manual

2 Port Professional PS/2 KVM Switch  
SV231  
*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: 07/12/2012  
 
Table of Contents  
Introduction............................................................................................1  
Packaging Contents ................................................................................................................................. 1  
System Requirements.............................................................................................................................. 1  
Installation ..............................................................................................2  
Front View.................................................................................................................................................... 2  
Rear View...................................................................................................................................................... 3  
Hardware Installation .............................................................................................................................. 4  
Driver Installation...................................................................................................................................... 4  
Configuration..........................................................................................5  
Serial Data Link .......................................................................................................................................... 5  
Automatic Calibration Button and Light .......................................................................................... 5  
Manual Calibration and Settings Menu ............................................................................................ 5  
Commands .................................................................................................................................................. 6  
Transmitter Unit specific commands ................................................................................................. 6  
Image Quality............................................................................................................................................. 7  
Firmware Upgrade.................................................................................................................................... 7  
Troubleshooting.....................................................................................8  
Specifications..........................................................................................10  
Technical Support ..................................................................................11  
Warranty Information............................................................................11  
Instruction Manual  
i
 
Introduction  
Overview  
The StarView SV231 is a computer switch that allows access to two IBM compatible  
computers from one keyboard, mouse and monitor. Switching between computers  
is as easy as pressing the push button or entering hot-key commands from your  
keyboard. There is no interface card and software to install and the StarView is  
independent of the computer operating system. The space-saving design enables you  
to connect all the cables to the back of the SV231.  
Automatic Mouse Conversion  
The StarView Switch enables you to connect computers with PS/2 or serial mouse ports  
(using adapters supplied with each SV231), and control both computers from one PS/2  
mouse. The StarView automatically identifies the mouse and switches to proper mouse  
protocol.  
Features  
Supports both PS/2 and serial mouse  
Cascade configuration expands system capability  
Auto scan automatically selects computers sequentially  
Supports Microsoft IntelliMouse (Pro), IntelliTrackball  
Hot-key functions allow easy computer access  
Built in buzzer for hot-key command confirmation.  
Keyboard states automatically saved and restored when switching computers  
Operating system independent, transparent to all applications  
True plug and play system configuration  
Keyboard and mouse can be hot plugged at any time  
High VGA resolution 1600x1200  
DDC2B compatible  
Power-free operation  
Instruction Manual  
1
 
Installation  
Device Connection  
Turn your computers off. Connect a PS/2 keyboard to the mini-DIN-6 port with a  
KEYBOARD icon and a PS/2 mouse to the mini-DIN-6 port MOUSE icon . Then connect  
your VGA monitor cable directly to the HD-DB- 15 port of CONSOLE as shown in figure  
1.  
The monitor connected to the HD-DB-15 VGA port of the CONSOLE must be capable of  
synchronizing with the computer’s video signal. If you are uncertain about the monitor  
type, please consult the monitor user’s manual. The StarView consumes negligible  
power and is designed to run reliably without an external power adapter.  
Computers Connection  
Now you have two computers to connect to the StarView. Use a male-to-male  
Mini-DIN-6 cable to connect from the first PC’s keyboard port to the corresponding  
KEYBOARD port; and, use another male-to-male Mini-DIN-6 cable from the PC’s mouse  
port to the MOUSE port. Connect your computers VGA port to the HD-DB-15 port of  
the StarView as shown in figure 2 using a VGA male-to-female cable. Follow the same  
procedures for the second computer using the KEYBOARD and MOUSE port.  
Instruction Manual  
2
 
If your computer incorporates a serial mouse, a mouse adapter should be connected to  
the computer’s mouse port as shown in figure 3.  
(Note: use only the mouse adapter supplied with the SV231)  
NOTE:  
1. The StarTech.com SV231’s automatic mouse conversion system allows you to  
connect computers using serial mice.  
2. The mouse adapter can only be used on the PC side and will not work on the  
CONSOLE side.  
3. If your PC uses an AT style keyboard, you will need an “AT-to-PS/2 keyboard  
adapterat the PC side.  
Instruction Manual  
3
 
Initial Power-up  
Make sure all computers and the StarView SV231’s are powered down during  
installation. After connection, power up the computers. The StarView can be powered  
from the computers. This procedure ensures the StarView receive computer settings  
correctly when computer boots.  
NOTE: You may hot plug any addittional powered-down computer to the StarTech.com  
SV231 at any time after the initial power up.  
Operations  
Front Panel Operation  
You may switch to a different computer by pressing the front panel push-button  
directly or by issuing hot-key commands. The front-panel red indicator changes to  
reflect the computer port selected. The indicator flashes while in either Auto Scan or  
Manual Scan mode.  
Hot-key Commands  
Hot-key command is a short keyboard sequence to select a computer or to activate  
computer scan. StarTech.com interprets keystrokes for hot-keys all the time. A hot-key  
sequence starts with two left Ctrl keystrokes followed by one or two more keystrokes.  
A built-in buzzer generates a high-pitch beep for correct hot-key command; otherwise,  
one low-pitch beep for error is generated and the bad key sequence will not be  
forwarded to the selected computer.  
To select a computer: left Ctrl + left Ctrl + 1 Selects the computer  
at port 1. Left Ctrl + left Ctrl + 2 Selects the computer at port 2.  
NOTE: Do not use the keypad at the right of the keyboard.  
To start Auto Scan, automatically scan powered-on computers one by one at a fixed  
interval: 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 until activity stops; it then resumes with the next computer in sequence.  
The length of the Auto Scan interval (Scan Rate) is adjustable, see below.  
Manual Scan enables you to manually switch back and forth between powered-on  
computers left Ctrl + left Ctrl + F2 Press Up or Down to select the previous or the  
next computer in sequence. Press any other key to abort the manual scan.  
To adjust Scan Rate which sets the duration before switching to the next computer  
in AUto Scan: left Ctrl + left Ctrl + F3. The SV231 generates 1 to 4 beeps indicating  
scan interval of 3, 8, 15, and 30 seconds respectively.  
To adjust keyboard typematic rate (characters/sec), this setting over-rides that of  
BIOS and any operating systemL left Ctrl + left Ctrl + F4. The SV231 generates 1to 4  
beeps corresponding to 10, 15, 20 and 30 characters/sec respectively.  
Instruction Manual  
4
 
Appendices  
Specifications  
SV231  
No. of computers supported  
Cascade control PC number  
Front panel button control  
Hot plug-and-play  
2
Up to 4*  
1
Yes  
Hot-key control  
Yes  
Automatic scan interval  
3, 8, 15, 30 seconds  
30M(100ft) at CONSOLE 30M(100ft) at  
PC  
Cable Length (Max)  
VGA  
1600 x 1200, DDC2B  
Computer keyboard connector  
PS/2  
mouse  
monitor  
PS/2, serial (with adapter)  
HD-DB-15 male  
Computer keyboard connector  
PS/2  
mouse  
PS/2  
monitor  
HD-DB-15 female  
Weight  
420g  
H x W x D (mm)  
(in.)  
size  
40x124x70  
1.6x4.9x2.7  
Micro  
Power Supply  
Optional (DC 9V, 500mA)  
Instruction Manual  
5
 
Troubleshooting  
Ensure that all cables are well seated. Check that keyboard/mouse cables are not  
swapped. Label and bundle the cables for each computer to avoid confusion when  
connected to the StarView.  
Symptom  
Causes  
Solutions  
Press and hold down  
the push button for 3  
seconds, the SV231 will  
re-initialize the keyboard  
or mouse, wait for a few  
seconds then plug it  
back in.  
Improper power-up  
sequence. Keyboard  
or mouse not properly  
intialized.  
Keyboard or mouse does  
not work  
Loose keyboard  
connection.  
Make sure keyboard  
Keyboard error on boot  
Keyboard strokes shifted  
cables are well seated.  
The computer was in  
shifted state when last  
switched.  
Press both SHIFT keys.  
All PC’s are off or only  
one PC is turned on. Scan  
mode works for power-on  
computers only.  
Auto Scan does not  
switch PC automatically  
and SV231 beeps.  
Turn computers on. Press  
left Ctrl key twice to abort  
Auto Scan mode.  
All PCs are off or only  
Turn computers on. Press  
any other key to abort  
Manual Scan mode.  
The Up and Down keys do one PC is turned on. Scan  
not work in Manual Scan  
mode works for power-on  
computers only.  
Add a power adapter  
The SV231 fails to  
function occasionally  
Computers do not supply with minimum of DC 9V  
enough power.  
500mA output rating to  
the SPARE power jack.  
Secure the mouse adapter  
to computers COM port.  
Use only the mouse  
adapter that comes with  
the SV231  
Computer can not use  
serial mouse  
Loose mouse adapter  
incorrect mouse adapter.  
Instruction Manual  
6
 
Symptom  
Causes  
Solutions  
In master/slave  
configuration, the master SV231 can be a slave of  
unit must have equal or  
SV231, SV431, SV831,  
and SV1631. If SV231 is a  
master, the SV431, SV831  
nor SV1631 can be its  
slave.  
Not functional in cascade more PC ports than that  
configuration  
of slaves. If SV231 is a  
slave , its master can be  
SV231, SV431, SV831 or  
SV1631.  
Instruction Manual  
7
 
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 3 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  
8
 
Hard-to-find made easy. At StarTech.com, that isn’t a slogan. It’s a promise.  
StarTech.com is your one-stop source for every connectivity part you need. From  
the latest technology to legacy products — and all the parts that bridge the old and  
new — we can help you find the parts that connect your solutions.  
We make it easy to locate the parts, and we quickly deliver them wherever they need  
to go. Just talk to one of our tech advisors or visit our website. You’ll be connected to  
the products you need in no time.  
to access exclusive resources and time-saving tools.  
StarTech.com is an ISO 9001 Registered manufacturer of connectivity and technology  
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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