SMART-AVI HDN-4DUO User manual

4-Port Dual HDMI KVM Switch
with USB 2.0 and Audio Sharing
ACCESS AND CONTROL
UP TO 4 COMPUTERS
FROM A SINGLE WORKSTATION
Quick Start Guide
VIDEO
Format HDMI 1.4, 1.0
Input Interface (8) HDMI (female)
Output Interface (2) HDMI (female)
Resolution Up to 4K (3840x2160 @30Hz)
DDC 5 volts p-p (TTL)
Input Equalization Automatic
Input Cable Length Up to 20 ft.
Output Cable Length Up to 20 ft.
AUDIO
Input Interface (4) 3.5 mm Stereo Audio
Output Interface (1) 3.5 mm Stereo Audio
Impedance 600 Ohm
Frequency Response 20 Hz to 20 kHz
Nominal Level 0-1.0 V
Common Mode Rejection at 60 dB
USB
Signal Type USB 2.0, 1.1, and 1.0
w/ internal hub
Input Interface (4) USB Type B
Output Interface (2) USB 1.1 Type A for K/M
(2) USB 2.0 Type A Transparent
CONTROL
Front Panel
Buttons, Select/Switch between
sources and view the current
selected channel
RS-232 DB9 Female - 115200, N, 8, 1,
No ow control
Hot Keys Via Keyboard
OTHER
Power 100-240 VAC/ 5VDC4A
Dimensions 3” H x 5.75” D x 12.75” W
Weight 3.95 lbs
Approvals UL, CE, ROHS Compliant
Operating Temp. 32-131°F (0-55 °C)
Storage Temp. -4-185 °F (-20-85 °C)
Humidity Up to 95%
Emulation Keyboard and Mouse
NOTICE
The information contained in this document is
subject to change without notice. SmartAVI makes
no warranty of any kind with regard to this material,
including but not limited to, implied warranties of
merchantability and tness for particular purpose.
SmartAVI will not be liable for errors contained
herein or for incidental or consequential damages in
connection with the furnishing, performance or use of
this material.
No part of this document may be photocopied,
reproduced, or translated into another language
without prior written consent from SmartAVI
Technologies, Inc.
800.AVI.2131, 702.800.0005
2455 W Cheyenne Ave, Suite 112
North Las Vegas, NV 89032
SmartAVI.com
TECHNICAL SPECIFICATION
HDN-4DUO
WHAT’S IN THE BOX
PART NO. Q-TY DESCRIPTION
HDN-4DUO-S 1
4-Port Dual-Head HDMI
KVM Switch with USB 2.0
and Audio Sharing
PS5VD4A 1 PS5VD4A Power Supply
Quick Start Guide 1

1. Ensure that power is disconnected from the HDN-4 Duo.
2. Connect the HDMI cables, and USB cables (male-A to male-B) from the computers to the respective ports on the HDN-4
Duo.
3. Optionally connect Audio cables from the computers to the respective ports on the HDN-4 Duo.
4. Optionally connect RS-232 for control functions.
5. Connect a USB keyboard and USB mouse to the two USB ports marked for keyboard & mouse on the HDN-4 Duo.
6. Optionally connect up to 2 USB 2.0 devices to the HDN-4 Duo.
7. Optionally Connect speakers to the Audio Out port on the HDN-4 Duo.
8. Connect the displays to the HDMI Output ports on the HDN-4 Duo.
9. Power on the HDN-4 Duo.
Note: The two USB ports on the right are dedicated for keyboard and mouse emulation only. The two on the left are for
other USB peripherals (ash drives, printers, etc.)
HDN-4DUO FRONT HDN-4DUO BACK
HARDWARE INSTALLATIONSYSTEM CONTROL
CUSTOM HOTKEY TRIGGERS
There are three ways to control the HDN-4DUO: Keyboard
HotKeys, RS-232 Serial Commands, and Front Panel
Buttons.
The settings for the serial connection are as follows:
Baud rate: 115200; Data Bits: 8; Parity: None; Stop Bits: 1;
Flow Control: None.
The following commands can be used:
Users are able to customize the keys that trigger Hotkeys.
The following keys are allowed:
CTRL (Left / Right), ALT, SHIFT (Left / Right),
Caps Lock, Scroll Lock, F1-F12
Change HK Trigger
HK + HK + X + desired hotkey
View Current HK Trigger
Use the RS-232 command: //??[ENTER]
Reset HK Trigger
Run “Factory Defaults” command.
Default HotKey Trigger
CTRL (Left)
Command HotKey RS-232
All USB, audio, video [CTRL][CTRL]
[port#][ENTER]
//m[port#]
[ENTER]
Audio Only [CTRL][CTRL]
a[port#][ENTER]
//a[port#]
[ENTER]
KM Only [CTRL][CTRL]
c[port#][ENTER]
//c[port#]
[ENTER]
USB Only [CTRL][CTRL]
u[port#][ENTER]
//u[port#]
[ENTER]
Learn EDID [CTRL][CTRL]
e[ENTER] //e[ENTER]
Trigger Hotplug [CTRL][CTRL]
h[ENTER] //h[ENTER]
Reset Software [CTRL][CTRL]r//r[ENTER]
Factory Defaults [CTRL][CTRL]f//f[ENTER]
Same as front panel
◄ M1 button [HK][HK]↑ N/A
Same as front panel
M2 ► button [HK][HK]↓N/A
Get Port Status N/A //??[ENTER]