TRENDnet Switch TK 423K User Manual

Quick Installation Guide  
TK-423K  
 
1. Before You Start  
Package Contents  
?TK-423  
?Quick Installation Guide  
?AC Power Adapter (5V DC, 2A)  
?4 sets of KVM Cables  
System Requirements  
?PS/2 or USB Keyboard  
?PS/2 or USB Mouse  
?VGA Compatible Monitor  
?KVM cables  
?Windows 98SE/ME/2000/2003 Server/Vista, Linux, and Netware.  
Application  
4-Port USB PS/2 Audio  
KVM Switch Kit  
(TK-423K)  
PC 3  
PC 1  
Speakers  
LCD Monitor  
Microphone  
USB or PS/2  
Mouse  
USB or PS/2  
Keyboard  
PC 4  
PC 2  
1
 
English  
2. How to Install  
1. Turn OFF all computers and their  
peripherals, and then disconnect all  
power cords.  
2. Connect the shared PS/2 or USB  
keyboard, monitor, PS/2 or USB  
mouse, speakers (optional) and  
microphone (optional) to the KVM  
switch's Console Port.  
Connecting to USB Computer  
To KVM  
3. Use the KVM cables to connect  
your PC to the KVM Switch. Then  
proceed to step 6.  
Note: Do not connect the PS/2  
keyboard cable to your computer.  
To Computer via USB  
2
 
English  
Connecting to PS/2 Computer  
4. Connect the USB to PS/2 mouse  
adapter to the USB connector.  
5. Use the KVM cables to connect  
your PC to the KVM Switch.  
To Mouse  
To Keyboard  
Port  
Port  
To VGA port  
To Computer via PS/2  
6. Connect the included audio cables  
to the KVM switch and to your PC.  
7. Connect the included AC Power  
Adapter to the KVM switch and  
then to a power outlet.  
Your installation is now complete.  
3
 
English  
3. Operation  
Note: To switch between computers, you can use the front-panel push buttons  
or the Hot Key commands.  
LED Indicators  
Red LED light: KVM cable is  
connected and PC is powering the  
KVM switch.  
Green LED light: Indicates the  
selected PC port is active, whether  
the computer is turned on or off.  
Push Buttons  
Press the push buttons to switch  
between computers.  
Hot-Key Commands  
A keyboard hot-key command consists of three keystrokes:  
Hot-Key command = ScrLk + ScrLk + Command key(s)  
After pressing the ScrLk key, you have 2 seconds to press the ScrLk key again.  
You then have another 2 seconds to press a command key. If you do not press  
a key within 2 seconds, the switch will exit hot-key mode.  
To select a specific PC port:  
ScrLk  
ScrLk  
X
x = 1~4 for PC channel number  
+
+
Select PC =  
For a list of all the Hot-Key commands, please see the Quick Reference Sheet.  
4
 
English  
Quick Reference Sheet for TK-423  
Front-Panel  
Hot-Keys  
Description  
Command  
Buttons  
Press the Push Button  
for a specific port to  
switch to that port  
Select PC  
Select the active PC channel  
ScrLk  
ScrLk  
+
+
ScrLk  
ScrLk  
+
+
X
Press the Push Button  
for a specific port to  
switch to that port  
Select the next lower PC  
connected channel  
Next lower channel  
Next higher channel  
Previous channel  
(Arrow up)  
Press the Push Button  
for a specific port to  
switch to that port  
ScrLk  
ScrLk  
Select the next higher PC  
connected channel  
+
+
(Arrow down)  
Backspace  
Toggle between the previous  
channel and current channel.  
ScrLk  
ScrLk  
ScrLk  
ScrLk  
- - -  
- - -  
+
+
+
+
Select Audio/MIC  
Channel  
Select the active Audio/Mic  
channel  
Fx  
Q
Enable the binding of PC port  
and Audio/Mic port switching.  
(Once this feature is enabled,  
PC and Audio/Mic switching is  
bound together. This feature is  
enabled by default.  
Bind PC and  
Audio/Mic Switching  
ScrLk  
ScrLk  
ScrLk  
ScrLk  
- - -  
- - -  
+
+
+
+
Unbind PC and  
Audio/Mic Switching  
Disable the binding of PC and  
Audio/Mic switching.  
W
Toggle On/Off beep sound  
during Autoscan mode.  
Autoscan Beep  
Sound On/Off  
ScrLk  
ScrLk  
ScrLk  
ScrLk  
B
- - -  
- - -  
+
+
+
+
Console Mouse/  
Keyboard Reset  
Reset Mouse/Keyboard on the  
console side  
END  
Press and hold down  
button 4 for over 8  
seconds, then release  
Define Hotkey  
Sequence  
(default = ScrLK +  
ScrLK)  
ScrLk  
ScrLk  
H
Y
+
+
+
Select the hotkey preceding  
sequence among 5 options  
the button and press  
Y
Y = Scroll Lock, Caps Lock, Esc, F12 or  
Num Lock  
the  
key.  
Y = Scroll Lock, Caps  
Lock, Esc, F12 or  
Num Lock  
Autoscan through every  
connected channel for quick  
screen browsing of each  
channel  
Press any push  
button  
ScrLk  
ScrLk  
ScrLk  
S
Autoscan  
+
+
ScrLk  
S
X
+
+
+
(X) = 0~9  
Autoscan with  
Programmable  
Delay Time  
1 = 10 seconds  
2 = 20 seconds  
3 = 30 seconds  
4 = 40 seconds  
5 = 50 seconds  
Specify a delay within a range  
of 10-100 seconds  
6 = 60 seconds  
7 = 70 seconds  
8 = 80 seconds  
9 = 90 seconds  
0 = 100 seconds  
- - -  
Press any button  
or key  
Press any key on keyboard  
Stop Autoscan  
Stop Autoscan activity  
Note:  
If you have defined a different hotkey preceding sequence key (e.g. Caps Lock, Esc, F12), press that button instead  
of scroll lock. For example, if you want to turn off activate autoscan and have defined the hotkey preceding sequence key as  
F12, press F12 + F12 + S.  
5
 
English  
Specifications  
Management:  
4 computers  
1 x USB keyboard Type A  
1 x USB mouse Type A  
1 x PS/2 keyboard 6-pin mini din female  
1 x PS/2 mouse 6-pin mini din female  
1 x VGA HDB 15-pin female  
1 x 3.5mm audio in/out jack  
Console Port Connectors:  
1 x 3.5mm microphone in/out jack  
4 x VGA HDB 15-pin female  
4 x 3.5mm audio in/out jack  
4 x 3.5mm microphone in/out jack  
PC Port Connectors:  
VGA Resolution:  
Port Selection:  
LED Segment:  
Keyboard State:  
2048 x 1536  
Push Button and Hot-Key Commands  
Per Port : PC Active (Green)  
Saved and restored  
Auto-Scan Intervals:  
10 ~ 100 seconds  
External AC Power Adapter : 5V DC, 2.5A  
255 x 117.5 x 45 mm  
Power:  
Dimensions:  
Weight:  
935g (2.07lbs)  
Temperature:  
Operating: 0° ~ 40° C (32° ~ 104° F)  
Humidity:  
0%~90%, Non-Condensing  
FCC and CE  
Certifications:  
6
 
Troubleshooting  
Q1: Do I need to use the included external AC adapter?  
A1: You must use the included external AC adapter with the TK-423 KVM switch.  
Q2: I have the KVM switch connected properly, but my keyboard and mouse don’t  
work. What should I do?  
A2: First, make sure the power adapter is plugged into your KVM switch. Second,  
make sure your PS/2/USB ports are working properly by connecting your mouse  
and keyboard directly to the PS/2 or USB port computer. Third, once you confirm  
that the PS/2 or USB ports are functional, please reboot your computers, and try to  
use the KVM switch again. Fourth, if your computer is running Windows 98SE,  
you may need to download and install the USB hot fix. Please go to this link for  
Once the hot fix is installed, follow the installation instructions in Section 2.  
Q3: Can I connect or disconnect the KVM cables while the computers are turned  
on?  
A3: Yes, you can connect or disconnect the KVM cables while the computers are  
turned on, because the interface is Hot-Pluggable.  
Q4: Will the KVM switch restore the keyboard settings between computers?  
A4: Yes, the KVM switch will restore the keyboard settings when switching  
between computers. (i.e.: Caps Lock, Num Lock, etc.)  
Q5: How do I switch from one computer to another with the KVM switch?  
A5: You can switch computers by pressing the Push Buttons on the KVM switch or  
using the Hot Key commands. Go to Section 3 Operation for more information.  
If you still encounter problems or have any questions regarding the TK-423K, please  
contact Trendnet’s Technical Support Department.  
7
 
Limited Warranty  
TRENDnet warrants its products against defects in material and  
workmanship, under normal use and service, for the following lengths of  
time from the date of purchase.  
TK-423 - 2-Year Warranty  
If a product does not operate as warranted above during the applicable  
warranty period, TRENDnet shall, at its option and expense, repair the  
defective product or part, deliver to customer an equivalent product or  
part to replace the defective item, or refund to customer the purchase  
price paid for the defective product. All products that are replaced will  
become the property of TRENDnet. Replacement products may be new  
or reconditioned.  
TRENDnet shall not be responsible for any software, firmware,  
information, or memory data of customer contained in, stored on, or  
integrated with any products returned to TRENDnet pursuant to any  
warranty.  
There are no user serviceable parts inside the product. Do not remove  
or attempt to service the product by any unauthorized service center.  
This warranty is voided if (i) the product has been modified or repaired  
by any unauthorized service center, (ii) the product was subject to  
accident, abuse, or improper use (iii) the product was subject to  
conditions more severe than those specified in the manual.  
Warranty service may be obtained by contacting TRENDnet office within  
the applicable warranty period for a Return Material Authorization (RMA)  
number, accompanied by a copy of the dated proof of the purchase.  
Products returned to TRENDnet must be pre-authorized by TRENDnet  
with RMA number marked on the outside of the package, and sent  
prepaid, insured and packaged appropriately for safe shipment.  
8
 
WARRANTIES EXCLUSIVE: IF THE TRENDnet PRODUCT DOES NOT  
OPERATE AS WARRANTED ABOVE, THE CUSTOMER'S SOLE  
REMEDY SHALL BE, AT TRENDnet'S OPTION, REPAIR OR  
REPLACEMENT. THE FOREGOING WARRANTIES AND REMEDIES  
ARE EXCLUSIVE AND ARE IN LIEU OF ALL OTHER WARRANTIES,  
EXPRESSED OR IMPLIED, EITHER IN FACT OR BY OPERATION OF  
LAW, STATUTORY OR OTHERWISE, INCLUDING WARRANTIES OF  
MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.  
TRENDnet NEITHER ASSUMES NOR AUTHORIZES ANY OTHER  
PERSON TO ASSUME FOR IT ANY OTHER LIABILITY IN  
CONNECTION WITH THE SALE, INSTALLATION MAINTENANCE OR  
USE OF TRENDnet'S PRODUCTS.  
TRENDnet SHALL NOT BE LIABLE UNDER THIS WARRANTY IF ITS  
TESTING AND EXAMINATION DISCLOSE THAT THE ALLEGED  
DEFECT IN THE PRODUCT DOES NOT EXIST OR WAS CAUSED BY  
CUSTOMER'S OR ANY THIRD PERSON'S MISUSE, NEGLECT,  
IMPROPER INSTALLATION OR TESTING, UNAUTHORIZED  
ATTEMPTS TO REPAIR OR MODIFY, OR ANY OTHER CAUSE  
BEYOND THE RANGE OF THE INTENDED USE, OR BY ACCIDENT,  
FIRE, LIGHTNING, OR OTHER HAZARD.  
LIMITATION OF LIABILITY: TO THE FULL EXTENT ALLOWED BY LAW  
TRENDnet ALSO EXCLUDES FOR ITSELF AND ITS SUPPLIERS ANY  
LIABILITY, WHETHER BASED IN CONTRACT OR TORT (INCLUDING  
NEGLIGENCE), FOR INCIDENTAL, CONSEQUENTIAL, INDIRECT,  
SPECIAL, OR PUNITIVE DAMAGES OF ANY KIND, OR FOR LOSS OF  
REVENUE OR PROFITS, LOSS OF BUSINESS, LOSS OF  
INFORMATION OR DATE, OR OTHER FINANCIAL LOSS ARISING OUT  
OF OR IN CONNECTION WITH THE SALE, INSTALLATION,  
MAINTENANCE, USE, PERFORMANCE, FAILURE, OR INTERRUPTION  
OF THE POSSIBILITY OF SUCH DAMAGES, AND LIMITS ITS LIABILITY  
TO REPAIR, REPLACEMENT, OR REFUND OF THE PURCHASE PRICE  
PAID, AT TRENDnet’S OPTION. THIS DISCLAIMER OF LIABILITY FOR  
DAMAGES WILL NOT BE AFFECTED IF ANY REMEDY PROVIDED  
HEREIN SHALL FAIL OF ITS ESSENTIAL PURPOSE.  
Governing Law: This Limited Warranty shall be governed by the laws of  
the state of California.  
AC/DC Power Adapter, Cooling Fan,Power Supply, and Cables carry a  
1 Year Warranty  
9
 
Certifications  
This equipment has been tested and found to comply with FCC and CE Rules.  
Operation is subject to the following two conditions:  
(1) This device may not cause harmful interference.  
(2) This device must accept any interference received. Including interference that may  
cause undesired operation.  
Waste electrical and electronic products must not  
be disposed of with household waste. Please  
recycle where facilities exist. Check with you Local  
Authority or Retailer for recycling advice.  
NOTE: THE MANUFACTURER IS NOT RESPONSIBLE FOR ANY RADIO OR TV  
INTERFERENCE CAUSED BY UNAUTHORIZED MODIFICATIONS TO THIS  
EQUIPMENT. SUCH MODIFICATIONS COULD VOID THE USER’S AUTHORITY TO  
OPERATE THE EQUIPMENT.  
ADVERTENCIA  
En todos nuestros equipos se mencionan claramente las caracteristicas del adaptador de  
alimentacón necesario para su funcionamiento. El uso de un adaptador distinto al  
mencionado puede producir daños fisicos y/o daños al equipo conectado. El adaptador  
de alimentación debe operar con voltaje y frecuencia de la energia electrica domiciliaria  
existente en el pais o zona de instalación.  
 
TRENDnet Technical Support  
.
US Canada  
Toll Free Telephone: 1(866) 845-3673  
24/7 Tech Support  
.
.
.
.
.
Europe (Germany France Italy Spain Switzerland UK)  
Toll Free Telephone: +00800 60 76 76 67  
English/Espanol - 24/7  
Francais/Deutsch - 11am-8pm, Monday - Friday MET  
Worldwide  
Telephone: +(31) (0) 20 504 05 35  
English/Espanol - 24/7  
Francais/Deutsch - 11am-8pm, Monday - Friday MET  
Product Warranty Registration  
Please take a moment to register your product online.  
20675 Manhattan Place  
Torrance, CA 90501  
USA  
 
Copyright ©2007. All Rights Reserved. TRENDnet.  

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