HARDWARE INSTALLATION
1. Ensure that power is disconnected from D2H-4P Duo.
2. Connect the DisplayPort cables, Audio and USB cables (male type-A to male type-B ) from the computers to the
respective ports on the D2H-4P Duo.
3. Optionally connect RS-232 for control functions.
4. Connect the USB keyboard and mouse to the two USB ports on the right .
Note: The 2 USB ports on the right are dedicated for keyboard and mouse with full emulation. The 2 on the left
are for other USB peripherals (flash drives, printers, etc.)
5. Connect speakers to the out connector on the D2H-4P Duo.
6. Connect the HDMI Displays to the OUT connector on the D2H-4P Duo.
7. Power on the displays, Computers and other devices. Power on the D2H-4P Duo.
COMMANDS HOTKEYS RS-232 CONTROL
Switch all devices (KVM, USB 2.0, and Audio) [CTRL] [CTRL] m [port #] [ENTER] //m [port #] [ENTER]
Switch KVM only [CTRL] [CTRL] c [port #] [ENTER] //c [port #] [ENTER]
Switch USB 2.0 only [CTRL] [CTRL] u [port #] [ENTER] //u [port #] [ENTER]
EDID Learning [CTRL] [CTRL] e [ENTER] //e [ENTER]
Same as front panel ◄M1 button [CTRL] [CTRL] ↑n/a
Same as front panel M2 ►button [CTRL] [CTRL] ↓n/a
Reset [CTRL] [CTRL] r //r
Factory Default Reset [CTRL] [CTRL] f //f
Switch Audio only [CTRL] [CTRL] a [port #] [ENTER] //a [port #] [ENTER]
OVERVIEW
D2H-4P Duo is a dedicated multi-platform KVM switch
capable of managing four 4K computers through a
single, central workstation. Built with ultra-HD ready
HDMI outputs, the D2H-4P Duo offers full video emu-
lation directly from the device. Up until now, Display-
Port switches lost emulated picture when discon-
nected from monitors, leading to confusion and disor-
ganization upon reconnecting. With the D2H-4P Duo,
full EDID-assisted HDMI video emulation ensures vis-
ual workspaces and screen resolutions are remem-
bered every time. The D2H-4P Duo is DisplayPort 1.2
and HDMI compliant, supporting screen resolutions
up to 4K Ultra-HD (3840x2160 @ 30Hz) for remark-
able and responsive video emulation. Additionally, the
D2H-4P Duo is USB peripheral-friendly. The D2H-4P
Duo is also easy to control with both a simple front-
panel interface, as well as RS-232 functionality.
FEATURES
Full EDID video emulation via HDMI outputs for
dual screen displays
KVM control between four connected computers
from a single workstation
Supports resolutions up to 4K (3840x2160
@30Hz)
DisplayPort 1.2 and HDMI compliant
Zero pixel loss with TMDS signal correction
Supports all USB 2.0 devices, including keyboard
and mouse
FRONT PANEL CONTROL
To switch ports using the front panel, press the M1 or
M2 button to navigate between connected com-
puters. EDID learning is also done through the front
panel buttons by pressing both buttons simultane-
ously.