Discontinued.4-Port HDMI KVM Switch with 4K HD and audio

replaced by SM-UHN-4S

What is the HDN-4P?

The HDN-4P is a 4-port HDMI KVM switch. Outfitted with 4K-ready HDMI and USB 2.0 connectors, the HDN-4P allows users to take command of up to four connected computer systems via keyboard, mouse, and monitor.

How to Control the HDN-4P

The HDN-4P is easy to control through a few simple methods:

  • Front Panel Buttons: simple push buttons allow users to switch operation between connected computer systems with ease.
  • RS-232 Commands: the HDN-4P features RS-232 compatibility, making it easy to control via RS-232 commands.
  • TCP/IP: connect to SmartAVI’s optional web-based control client for easy management of the HDN-4P.

Applications for HDN-4P

The HDN-4P is a terrific addition to any manager’s workspace. Supervisors in office settings, industrial control rooms, and server hubs can easily take control of multiple connected systems using the HDN-4P’s KVM control functionality: simply connect the HDN-4P to systems’ HDMI and USB ports, and start working!


Switch KVM control on four connected computers
from one workstation with a HDMI monitor

  • Supports resolutions up to 3840×2160 (@30Hz)
  • HDCP compliant
  • Zero pixel loss with TMDS signal correction
  • Supports all USB 2.0 devices, including keyboard
    and mouse
  • Supports Windows, Mac and Linux
  • Rack mountable in a standard 19 inch rack
  • Supports control via RS-232
  • Hot key commands for quick channel selection
  • Independent (asynchronous) switching of KVM and
    peripheral USB ports. Users can scan a document
    and save in another computer
  • Complete keyboard emulation for error free
  • Front panel keys for manual switching
  • DP and DVI supported with adaptors, backwards
    compatible with prior HDMI versions
  • Office Buildings
  • Server hubs
  • Industrial control rooms
  • Hospitals
  • Schools
  • Police stations
  • Government Services
  • … and more!
Format HDMI 1.4
Input Interface (4) HDMI (female)
Output Interface (1) HDMI (female)
Resolution up to 4K x 2K (3840 x 2160 @30Hz)
1080P @ 120Hz and 1080P 3D @60Hz
DDC 5 volts p-p (TTL)
Input Equalization Automatic
Input Cable Length Up to 20 ft.
Output Cable Length Up to 20 ft.
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 KVM Devices
(2) USB 2.0 Type A Transparent
Front Panel Buttons, Select/Switch between sources and view the current selected channel.
RS-232 DB9 Female – 9600 N,8,1, No flow control
Hotkeys Via Keyboard
Power External 100-240 VAC/ 5VDC2A
Dimensions 2” H x 5.75” D x 12.75” W
Weight 3.5 lbs
Approvals UL, CE, ROHS Compliant
Operating Temp 23 to 95°F (-5 to 35°C)
Storage Temp. -4 to 185 °F (-20 to 85 °C)
Humidity up to 95%RH (No Condensation)
Emulation Keyboard and Mouse
Part No. Description
HDN-4PS 4-Port HDMI KVM Switch with 4K HD and audio. Includes: [HDN-4P & (PS5VDC2A)]

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