Digitus DS-12874 User manual

KVM Switch, 2x1 HDMI,
HDMI Out, USB, 4Kx2K@60Hz
Quick Installation Guide
DS-12874

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Table of Contents
1. INTRODUCTION ........................................................................... 2
2. FEATURES .................................................................................... 3
3. PACKAGE CONTENTS ................................................................... 3
4. SPECIFICATIONS........................................................................... 4
5. PANEL DESCRIPTION.................................................................... 5
6. CONNECTION AND OPERATION .................................................. 7
7. CONNECTION DIAGRAM............................................................ 10
1. INTRODUCTION
The DIGITUS® 2-Port KVM Switch is a high-performance HDMI-KVM
switcher. It routes high-definition video (in multiple resolutions up to
4kx2k@60Hz) and audio from any one of the several sources to
display units. This HDMI-KVM switcher not only has the key-press-
switching function, but also has intelligent function as well as hot
pluggable function.

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2. FEATURES
•Use a monitor, a mouse and a keyboard to operate two
computers.
•USB ports for mouse and keyboard
•Audio connections for microphone/speaker
•Integrated USB hub with 2x USB 3.0 connections for additional
peripheral equipment
•Switching between the PCs via switch on the KVM switch,
remote control or hot key on the keyboard
•External receiver for signals from remote control included.
•Compatible with HDMI 2.0 / HDCP 2.2 / HDR / FreeSync / 3D
•LED status and functional displays on the front side
•Wall installation possible
•Plug and Play – no driver installation required.
•Support infrared remote-control function
•Support Windows /Linux/Apple Mac OS
3. PACKAGE CONTENTS
•1x KVM Switch, 2-Port, 4K60Hz, 2x HDMI in, 1x HDMI out
•1x Power adapter for KVM switch
•2x USB 3.0 connection cable (USB B to USB A)
•2x HDMI cable
•1x Infrared remote control
•1x Infrared recipient with connection cable
•2x Mounting bracket for table/ wall installation
•1x User manual

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4. SPECIFICATIONS
Connectors
Console Connectors
USB 2.0-A x2(Back)
HDMI Female x1(Back)
3.5mm Stereo Jack
(Green, 1 Front, 1 Back) x2
3.5mm Stereo Jack
(Pink, 1 Front, 1 Back) x2
KVM Connectors

USB 3.0-B x2(Back)
HDMI Female x2(Back)
3.5mm Stereo Jack (Green, Back) x2

3.5mm Stereo Jack (Pink, Back) x2
USB HUB Connectors
USB 3.0-A x2(Front)
Resolution
Max Resolution
3840x2160@60Hz,
4096x2160@60Hz
Operating Frequency
HDMI Bandwidth
18G
Mechanical
Material
Metal
Size (L-W-H)
178x75x26mm
Weight (Net)
366.3g
Environmental
Operating
Temperature
0°C to 45°C
Operating Humidity
10% to 85 % RH (no condensation)
Storage Temperature
-10°C to +80°C
Storage Humidity
5% to 90 % RH (no condensation)
Power Requirement
External Power Supply
DC 5V

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Power Consumption
(Max)
12W
ESD Protection
Human Body Model
±8kV (air-gap discharge) &± 4kV (contact
discharge)
5. PANEL DESCRIPTION
Front Panel
1) Power Button: Press to turn on/off the unit.
2) Power Indicator: The LED will light up once the DC/5V is
provided and the unit is turned on.
3) Input Selection: When PC1/PC2 is selected, the corresponding
“Select” lights up to indicate input selection(“Select” LEDs
flash in a loop under automatic switching mode). “Online” LED
lights up when the corresponding USB-B port is connected.
4) IR EXT: Connect IR Extender to this port for IR signal reception
from the remote control.
5) IR: For IR signal reception from the remote control.

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6) : 3.5mm MIC input port.
7) : 3.5mm stereo output port.
8) : USB 3.0 ports, mainly used for connecting to printers,
scanners, U-disk, etc.
Back Panel
9) Output ports:
Connect to a mouse or a keyboard.
Connect to a keyboard or a mouse.
Connect to an amplifier.
Connect to a MIC.
Connect “HDMI Out” to HDMI display.
10) PC1 input ports:
Respectively connect to HDMI, USB, MIC, stereo ports of PC1.
11) PC2 input ports:
Respectively connect to HDMI, USB, MIC, stereo ports of PC2.
12) DC 5V: Plug the 5V DC power supply into the unit.

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6. CONNECTION AND OPERATION
Operation
1) Connect PCs to USB-B ports of the unit with USB cables;
Respectively connect MIC and stereo ports of the PCs to those
(above the “HDMI In”) of the unit with 3.5mm audio cables;
Connect PCs to “HDMI In” ports of the unit with HDMI cables.
2) Connect keyboard and mouse to the USB-A ports on the back
panel of the unit; Respectively connect microphones and
amplifiers to the mic and stereo ports (on the front
panel/above “HDMI Out”) of the unit with 3.5mm audio cables;
Connect a display to “HDMI Out” of the unit with HDMI cable.
3) Power the unit with DC 5V and press the power button, the
“Power” indicator lights up. The USB-B ports are connected
normally and the “Online” indicators light up. “Select” lights up
to indicate the current selected PC.
4) Press the buttons on the front panel of the unit to select input,
the corresponding “Select” lights up. After selection, the display
shows corresponding image, and the selected PC can be
controlled by a set of keyboard and mouse.
5) Remote control works the same as manual buttons.
1,2: For input selection. 1 specifies PC1 and 2
specifies PC2.
, : For loop switching. Order: PC1→PC2
→PC1→….
6) For external function, connect printer/scanner/U-disk to the
USB-A ports on the front panel of the unit.
Special Function Operation:
1) Mouse traversal function:

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Place the mouse on the far-right side of the display and
continue to slide to the right for 2 seconds, the unit
automatically switches to the next port. Switching order is : PC1
→PC2→PC1→…;
2) USB-B detection switching function:
•When the unit detects that a PC is connected to the USB-B
port of the unit, the unit immediately switches to this PC and
the corresponding “Online” and “Select” indicators light up.
(For example: When PC1 is connected already, PC2 is
connected to the unit through USB-B port, then the unit
immediately switches to PC2.
•When the current selected PC is powered off or the USB
cable is dialed out, the unit automatically switches to the
next PC with the power on and the USB port connected.
3) Hotkey function (It doesn’t work on functional keyboard and
only the 2 USB-A ports on the back panel can get access to this
function.)
Number
Hotkey Combination
Function Description
1
Scroll Lock++1Scroll Lock
+→or↓
Switch to the next port
2
Scroll Lock++ Scroll Lock
+←or↑
Switch to the previous port
3
Scroll Lock++ Scroll Lock
+[N
2
]
Switch to PC N
4
Scroll Lock++ Scroll Lock
+S
3
Automatic switching function
(Default: 15 seconds)
5 Scroll Lock++ Scroll Lock
+I+[N4]+[Enter]
Set the automatic
switching interval
(5~999 seconds)
6
Scroll Lock++ Scroll Lock
+B+ [0]
5 Buzzer off
Scroll Lock++ Scroll Lock
+B+ [1]
5
Buzzer on (Default: on)
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Scroll Lock++ Scroll Lock
+F+L+A+S+H+[Enter]
All resume hotkey default mode 6

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Note
•Hot keys are not case-sensitive.
•Buzzer sounds when switching between PC1 and PC2.
1“++” means to press 2 times in rapid succession. For example:
“Scroll Lock ++ Scroll Lock + 1” means to press the Scroll Lock
button twice in rapid succession and then press number “1”
button. The detection between each hotkey code times out for 5
seconds. For example, if the Scroll Lock button is pressed for the
first time, and then the Scroll Lock button is pressed after more
than 5 seconds, the hotkey combination is invalid.
2“N” here indicates the number of the PC. For example, to switch to
PC2, the hotkey combination is “Scroll Lock ++ Scroll Lock + 2”.
3 Turn on this function, then HDMI, MIC and the speaker will enter
the automatic switching mode without USB. Press (except the
space bar) any key to exit to the port before the automatic
switching, press the space bar to stay at the currently switched
port. When switching automatically, the “Select” LED flashes at the
same time.
4“N” here indicates the number of switching interval which can be
5(seconds) to 999 (seconds).
5 “1” means on, “0” means off.
6This mode only has relation to the hotkey function of Number 4
and Number 6.

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7. CONNECTION DIAGRAM
Front Panel
①.
IR Extender
②.
Mic
③.
Amplifier
④.
USB Devices
Back Panel
①.
Mouse
②. Keyboard
③. HDMI Display
④.
Amplifier
⑤.
Mic
⑥. PC 1
⑦. PC 2
⑧.
Power Supply

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Hereby Assmann Electronic GmbH, declares that the Declaration of
Conformity is part of the shipping content. If the Declaration of
Conformity is missing, you can request it by post under the below
mentioned manufacturer address.
www.assmann.com
Assmann Electronic GmbH
Auf dem Schüffel 3
58513 Lüdenscheid
Germany