Gefen Switch EXT DPKVM 422 User Manual

2x2 DPKVM  
Switch  
EXT-DPKVM-422  
User Manual  
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CONTENTS  
1
2
3
4
5
6
7
8
9
Introduction  
Operation Notes  
Features  
Panel Layout  
Panel Descriptions  
Connecting the 2x2 DPKVM Switch  
Operating the 2x2 DPKVM Switch  
RMT-2IR Remote Control Description  
RMT-21IR Remote Installation  
10 Infared (IR) Code Channel Conguration  
11 RS-232 Serial Control Interface  
12 Additional Switching Options  
13 Specications  
14 Warranty  
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INTRODUCTION  
Congratulations on your purchase of the 2x2 DPKVM Switch. Your complete  
satisfaction is very important to us.  
Gefen  
Gefen is a unique product line catering to the growing needs for innovative home  
theater solutions. We specialize in total integration for your home theater, while  
also focusing on going above and beyond customer expectations to ensure you  
get the most from your hardware. We invite you to explore our distinct product  
line and hope you nd your solutions. Don’t see what you are looking for here?  
Please call us so we can better assist you with your particular needs.  
The Gefen 2x2 DPKVM Switch  
Switch between two computers (each using two graphic DisplayPort outputs)  
effortlessly, using the Gefen 2x2 DPKVM Switch. With the output utilizing two  
displays and two USB 2.0 ports, users can switch audio, video and USB for each  
computer. Access two computers from one workstation without having to use a  
network. Switch through the front panel “select” button, using the supplied IR  
remote control, the RS-232 serial port, or the IP control. The 2x2 DPKVM Switch  
is compatible with all operating systems using DisplayPort and USB.  
How It Works  
Connect two DisplayPort high-denition displays, USB 2.0 keyboard/mouse, or  
other USB 2.0 peripherals to the 2x2 DPKVM Switch output. Connect the  
DisplayPort, USB and audio ports on both computers to the 2x2 DPKVM Switch  
input using the supplied cables.  
1
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OPERATION NOTES  
READ THESE NOTES BEFORE INSTALLING OR  
OPERATING THE 2X2 DPKVM SWITCH  
The 2x2 DPKVM Switch supports Pass-through EDID. The Switch will use  
the EDID from the currently active input.  
Dual Link resolutions up to 2560 x 1600 are supported.  
2
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FEATURES  
Features  
Switches two high-denition displays between two DisplayPort-equipped  
computers with audio/video and USB peripherals  
Supports up to 1920 x 1200 with a single link monitor  
Supports up to 2560 x 1600 with dual link monitor  
Supports RGB and YCbCr color spaces  
Rack mountable  
Save space on your desktop Supports  
USB 2.0 Compatible and backward compatible with USB 1.1 devices.  
Application  
Ideal for Computer Work station  
Package Includes  
(1) 2x2 DPKVM Switch  
(4) 6-foot DisplayPort cables  
(2) 6-foot USB 2.0 cables  
(2) 6-foot 3.5mm mini-stereo audio cables  
(1) IR Remote Control (RMT-2IR)  
(1) RS-232 Serial Cable  
(1) 5V DC Locking Power Supply  
(1) AC Power Code  
(1) Set of Rack Ears  
(1) User Manual  
3
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PANEL LAYOUT  
Front Panel  
2
3
4
1
Back Panel  
10  
12  
9
14  
6
8
11  
13  
5
7
4
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PANEL DESCRIPTIONS  
1
I/R Receiver  
Receives I/R signal from the handheld Infrared remote control unit included with the 2x2  
DVI KVM Switch.  
2
3
4
5
LED Input Status Indicator 1 & 2  
This currently selected source input will be indicated with an active LED.  
Input Selector Button  
Pressing this button will cycle the input, 1 or 2, which will be selected for output.  
Power Indicator  
This LED indicator will glow bright red when the power is turned on.  
5V DC Locking Power Connector  
Connect the included 5V DC locking power supply to this connector.  
6
7
DisplayPort Input  
This port will accept a single standard DisplayPort source device. Four ports are available  
for use.  
DisplayPort Output  
This port will accept a single standard DisplayPort output device. The currently selected  
DisplayPort input source will be output via this port.  
8
9
Audio Input Connector (3.5 mm Mini Stereo)  
Connect audio source device to this port using the 3.5mm mini stereo cable. There are  
two ports available and they are associated with display port inputs 1 & 2 respetively.  
Audio Output Connector (3.5mm Mini Stereo):  
Connect Audio devices to these ports usin 3.5 mm mini-stereo cables. Audio will output for  
the currently selected input source.  
10 IR Extender Port:  
Connect IR extender reciever (EXT-RMT-EXT-IR) to this port.  
11 USB Out Port (1-2):  
Connect USB devices to these ports. There will be two ports available for simultaneous  
connection of the two USB devices.  
12 USB In Port (1-2):  
Connect USB source devices to these ports. There are two ports available for use and  
are associated with DisplayPort inputs 1 & 2, respecitvely.  
13 RS-232 Serial Port  
This port is used for serial communication using and RS-232 controll deviice. For more  
details, refer to page 16.  
14 Console Control Switch Port  
This port is used for contact closure-type remote control.  
5
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CONNECTING THE 2X2 DPKVM SWITCH  
Connecting Source Devices to the 2x2 DPKVM Switch  
1. Connect up to two DisplayPort source devices to the DisplayPort inputs on  
the 2x2 DPKVM Switch using the included DisplayPort cables.  
2. Connect up to two audio sources to the 3.5mm analog audio mini-jack inputs  
using the included audio cables.  
3. Connect up to two USB source devices to the USB Type B inputs using the  
included USB Type A to B cables.  
4. Connect a DisplayPort supported display to the DisplayPort output on the  
2x2 DPKVM Switch.  
5. Connect an audio device to the 3.5mm analog audio mini-jack output using  
a user supplied 3.5mm analog audio cable.  
6. Connect up to two USB devices to the USB Type A inputs.  
7. Connect the included 5V locking power supply to the power receptacle on  
the 2x2 DPKVM Switch  
8. Connect the opposite end of the power supply to an open wall socket power  
source.  
Wiring Diagram for the 2x2 DPKVM Switch  
DISPLAYPORT CABLE  
MINI STEREO AUDIO CABLE  
USB CABLE  
DisplayPort KVM Switcher  
Computer  
Computer  
DisplayPort Display  
w/USB & Audio  
DisplayPort Display  
w/USB & Audio  
EXT-DPKVM-422  
ATTENTION: This product should always be connected to a  
grounded electrical socket.  
6
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OPERATING THE 2X2 DPKVM SWITCH  
How to Operate the 2x2 DPKVM Switch  
Switching can be accomplished via the front panel selector button, infrared  
(IR) remote control, or the RS-232 communications port. Additional switching  
options can be found on page 12  
1
2
3
For information on switching via the front panel selector button, please see  
this page.  
For information on switching via the infrared (IR) remote control, please see  
page 8.  
For information on switching via RS-232 serial communications, please see  
page 11.  
Switching - Front Panel Selector Button  
Switching can be accomplished via the front panel selector button. This  
button will alternate between Inputs 1 & 2. Each press of this button will  
change the selected input.  
Front Panel Input Selector  
7
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RMT-2IR REMOTE CONTROL DESCRIPTION  
1
2
1
2
Pressing this button will select Input 1 as the source. All devices connected to the  
input ports labeled 1 will be selected and output.  
Pressing this button will select Input 2 as the source. All devices connected to the  
input ports labeled 2 will be selected and output.  
8
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RMT-2IR REMOTE INSTALLATION  
To use the RMT-2IR remote, remove the battery cover on the back of the remote  
to reveal the battery compartment. Insert the included battery into the open battery  
slot. The positive (+) side should be facing up. Ensure that both DIP (Dual Inline  
Package) switches are in the OFF position. Replace the battery cover. The remote  
ships with 2 batteries. One battery is needed for operation and the other battery is  
complimentary.  
Empty Battery Slot  
IR Code DIP Switches  
CAUTION: Risk of explosion if battery is replaced by an incorrect  
type. Dispose of used batteries according to the instructions.  
9
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INFRARED (IR) CODE CHANNEL CONFIGURATION  
How to Resolve IR Code Conicts  
In the event that IR commands from other remote controls conict with the supplied  
RMT-2IR remote control, changing the remote channel will alleviate this issue. The  
RMT-2IR remote control and the 2x2 DPKVM Switch both have banks of DIP (Dual  
Inline Package) switches for conguring the remote channel that both units use to  
communicate. These settings must exactly match each other for proper operation.  
The DIP switch bank on the RMT-2IR is located underneath the battery cover. DIP  
switch banks for the 2x2 DPKVM Switch are located on the underside of the unit  
beneath a black piece of metallic tape. Switches 1 and 2 on the RMT-2IR directly  
correspond to DIP Switches 1 and 2 on the 2x2 DPKVM Switch. Only switches 1 and  
2 (of 4 in that bank) are used for IR Code settings.  
Remote Channel 0:  
Default  
Remote Channel 1:  
Remote Channel 3:  
1
1
2
2
1
1
2
2
Remote Channel 2:  
Left: Picture of the opened rear battery  
compartment of the IR remote showing the  
exposed DIP Switch bank between the battery  
chambers.  
2x2 DPKVM Switch DIP Switch Settings  
Remote Channel 1:  
Default  
Remote Channel 2:  
1
2
3
4
1
2
3
4
Remote Channel 3:  
Remote Channel 4:  
3
4
1
2
1
2
3
4
10  
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RS-232 SERIAL CONTROL INTERFACE  
What features are available via the RS-232 serial communications port?  
The 2x2 DPKVM Switch can accept commands through the RS-232 serial  
communications port located on the rear panel. The current RS-232 control  
features are:  
Switching of inputs.  
How do I use these features?  
These features were initially intended for utilization by custom installers in  
automated setups. However, these features can be tested by using any  
Windows PC with the Hyperterminal program.  
What pins are used for communication with the 2x2 DPKVM Switch?  
Only pins 2 (Receive), 3 (Transmit), and 5 (Ground) are used for  
communication. A null-modem adapter should not be used with this product.  
5 4 3 2 1  
1 2 3 4 5  
9 8 7 6  
6 7 8 9  
Only Pins 2 (RX), 3 (TX), and 5 (Ground) are used on the RS-232 serial interface  
What are the communication port settings?  
Bits per second ..................................................................................... 19200  
Data bits ....................................................................................................... 8  
Parity ...................................................................................................... None  
Stop bits ......................................................................................................1  
Flow Control .......................................................................................... None  
Switching/Routing Binary Table  
ASCII  
1
RMT-2IR Button Binary  
1
00110001  
2
2
00110010  
11  
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ADDITIONAL SWITCHING OPTIONS  
The underside of the 2x2 DPKVM Switch features a DIP switch bank that is used to  
congure additional features. DIP switch 3 is used to control the function of Contact  
Closure-type remote controls on the rear panel.  
This port can be congured to accept  
additional switching devices  
ON  
OFF  
1
2
3
4
1
2
3
4
IR Channel  
IR Channel  
Remote/Closure  
Not Used  
DIP Switch 3  
Enabling DIP switch 3 will allow the user to utilize a contact closure type  
of remote control such as Gefen product # EXT-RMT-2x2 to initiate input  
switching. By default, this switch is in the OFF position and will rely on the  
standard switching methods outlined previously in this manual.  
DIP Switch 4  
Not Used  
Note: After resetting DIP switches, the unit must be power-cycled.  
12  
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SPECIFICATIONS  
Input Connector....................................................(4) DisplayPort (from computers)  
Output Connector...........................................................(2) DisplayPort (to display)  
Input Connector..........................................(2) USB 2.0 Type “B” (from computers)  
Output Connector..................................(2) USB 2.0 Type “A” (to keyboard/mouse)  
Input Connector...............................(2) 3.5mm analog L/R audio (from computers)  
Output Connector................(1) 3.5mm analog L/R audio (to speakers or amplier)  
Color Spaces.................................................................................RGB and YCbCr  
Dimensions..................................................................... 8.41”W x 1.57”H x 4.23”D  
13  
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WARRANTY  
Gefen warrants the equipment it manufactures to be free from defects in material  
and workmanship.  
If equipment fails because of such defects and Gefen is notied within two (2)  
years from the date of shipment, Gefen will, at its option, repair or replace the  
equipment, provided that the equipment has not been subjected to mechanical,  
electrical, or other abuse or modications. Equipment that fails under conditions  
other than those covered will be repaired at the current price of parts and labor in  
effect at the time of repair. Such repairs are warranted for ninety (90) days from  
the day of reshipment to the Buyer.  
This warranty is in lieu of all other warranties expressed or implied, including  
without limitation, any implied warranty or merchantability or tness for any  
particular purpose, all of which are expressly disclaimed.  
1. Proof of sale may be required in order to claim warranty.  
2. Customers outside the US are responsible for shipping charges to and from  
Gefen.  
3. Copper cables are limited to a 30 day warranty and cables must be in their  
original condition.  
The information in this manual has been carefully checked and is believed to  
be accurate. However, Gefen assumes no responsibility for any inaccuracies  
that may be contained in this manual. In no event will Gefen be liable for  
direct, indirect, special, incidental, or consequential damages resulting from  
any defect or omission in this manual, even if advised of the possibility of such  
damages. The technical information contained herein regarding the features and  
specications is subject to change without notice.  
For the latest warranty coverage information, refer to the Warranty and Return  
PRODUCT REGISTRATION  
Please register your product online by visiting the Register Product page  
under the Support section of the Gefen Web site.  
14  
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Rev A1  
20600 Nordhoff St., Chatsworth CA 91311  
1-800-545-6900 818-772-9100 fax: 818-772-9120  
Pb  
This product uses UL listed power supplies.  
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