
SC21H- N
2PORT KVM  
COMBINER SWITCH
Interact with two computers presented on the same display at the same time using  
a single set of keyboard, mouse, video and audio peripherals.
The KVM Combiner switch offered by HSL provides 
increased productivity in challenging multi-computer 
KVM COMBINER HIGHLIGHTS
Enhance user experience by eliminating the need 
for multiple peripheral sets.
Increase work eciency
View content on one large screen instead of multiple 
small screens while saving desk area in space 
restricted environments.
Flexible screen layout
Determine how computer screens are presented on 
the combiner screen. Switch between Side-by-Side, 
Picture-in-Picture and Custom display layouts that t 
user needs.
Smoothly switch between computers  
(Virtual Display Technology) 
Automatically switch control from one computer 
to another by dragging the mouse cursor over the 
computer’s display border. Peripherals switch to the 
next computer without having to press any buttons once 
the mouse is passing the display border.
environments where users are required to view and 
interact with two computers simultaneously. 
Native touch screen support
Interact with all the computers that are connected 
to the KVM Combiner using touch screen gestures. 
No need to install any driver or software.
Copy & Paste
Transfer text and files between all the computers 
that are connected to the KVM through the KVM (no 
network connection is needed between parties). Use 
standard copy and paste keyboard key combinations 
(CTRL+C / CTRL+V) or mouse context-menu commands to 
transfer data between computers that are connected to the KVM. 
      to switch PCs
Speakers
PC #2
PC #1
Multiple Sources
Freeze Audio
Assign the audio port to a specific computer 
while switching the keyboard, video, mouse and 
USB peripherals to the other computer. Useful for 
scenarios where a user has to listen to audio originating 
from one computer while working on another computer.
© 2017 High Sec Labs Ltd. All rights reserved. All trade names are trademarks or registered trademarks of respective manufacturers listed. 
Specications are subjected to change without prior notice. Multiple patents pending. HDC15304 Rev 1.0
HSL 2-Port K VM Combiner Switch System Diagram
Single        
Keyboard & Mouse
KVM 
KVM 
COMBINER
COMBINER

SPECIFICATION
PART NUMBER  SC21H-N
No. of Sources 2
CONSOLE PORTS
Displays 1 x HDMI 1.4
Max Output Resolution Supporting resolutions up to 1900x1200
Mouse and Keyboard
USB Type A
Audio Jack  3.5 mm Jack
Microphone Jack 3.5 mm Jack
USB 3.0 Port N/A
COMPUTER PORTS
Display Type 1 x HDMI 1.4
Max Input Resolution 1920 x 1200
Mouse and Keyboard
USB Type B
Audio Jack  3.5 mm Jack
Microphone Jack 3.5 mm Jack
USB 3.0 Port N/A
PHYSICAL
Dimensions 177 x 82 x 35 mm / 6.9 x 3.2 x 1.3 inches
Weight 0.52 kg (1.1 lbs)
POWER
Power Requirements 12V DC, 1.5A
AC Input 100 to 240V AC
Power Type External
ENVIRONMENTAL
Operating Temperature 32° to 104° F (0° to 40° C)
Storage Temperature -4° to 140° F (-20° to 60° C)
Humidity  0-80% RH, non-condensing
SOFTWARE
Supported OS Windows, Linux, Mac
CERTIFICATION
Product Certication CE, RCM, FCC class B, VCCI, TUV US, TUV Canada
GENERAL INFO
Made In ISRAEL
Product life-cycle 10 years 
Warranty 2 Years
SC 21H-N
OPERATIONAL HIGHLIGHTS
Save valuable desk space
Allow users that work in space 
restricted environments 
to interact with multiple 
computers in spite of having 
limited desk space.
SC21H- N
Reduce costs 
Use a single set of peripherals 
with multiple computers. 
Obviate the need for 
purchasing and installing 
dedicated, per-computer 
peripheral sets.
© 2017 High Sec Labs Ltd. All rights reserved. All trade names are trademarks or registered trademarks of respective manufacturers listed. 
Specications are subjected to change without prior notice. Multiple patents pending. HDC15304 Rev 1.0