Monitor four computers at once with secure KVM switching


  • Validated to EAL 4+ security standards
  • Complies with Common Criteria Protection Profile 2.1
  • View up to four isolated networks simultaneously and securely
  • Advanced scaling enables no quality loss
  • User-friendly window rescaling
  • Unidirectional data paths
  • No software or firmware required
  • Dedicated processors for emulation
  • USB port protection
  • CAC Port
  • Supports one DVI-D display


  • Government Operations
  • Defense Applications
  • Security Control Rooms
  • Corporate Communications and Server Operations
  • Medical Campuses
  • Airports


Host Computer Input Ports 4 isolated ports to connect computers, each with: DVI-D Female connectors for video; 4 x USB Type-B connectors for keyboard and mouse; 4 x USB Type-B connectors for user authentication device
DVI-D supports DVI or HDMI sources only. VGA can be supported using VGA to DVI Smart-Cable accessory
(sold separately)
Galvanic ports isolation through optical data diodes and isolated power supplies
Plug and Play EDID support - four channels identified as standard displays
Console Ports 2 USB Type-A jacks for keyboard, mouse; 2 PS/2 legacy keyboard and mouse connector; DVI-D display jack for
user display; 3.5 mm stereo jack for amplified speakers or headset; Remote Desktop Controller (RDC) port
Input Video Modes Supported Channel select/status LEDs, channel select push-buttons, keyboard hotkeys (optional – can be disabled)
Video Modes Supported 800 x 600 (4:3) SVGA - 1280 x 1024 (5:4) SXGA - 1920 x 1080 (16:9) HD1080 - 1920 x 1200 (16:10) WUXGA
Output Video
Modes Supported
1024 x 800 (16:10) WXGA - 1280 x 1024 (5:4) SXGA - 1600 x 1200 (4:3) UXGA - 1680 x 1050 (16:10) WSXGA+ 1920 x 1080 (16:9) HD1080 - 1920 x 1200 (16:10) WUXGA - Dual-link displays support [Future]
Security Functions USB ports supporting only keyboard and mouse through host emulation and strong filtering.
Optical Data Diode assures unidirectional flow from devices to computers.
Firmware change can not cause leakage between channels or data export.
Isolated power supplies for each device emulator.
Dedicated port for smart-card reader or biometric device. Port is strongly filtered and monitored.
Firmware resides on ROM.
Battery powered anti-tampering system to disable product in case of mechanical intrusion.
Special holographic Temper Evident Labels.
Power DC input 12V / 5A maximum
Brick power supply included. Power input 90-240V AC
Peripheral Security USB ports supporting only keyboard and mouse through host emulation
Data-diode assures USB unidirectional flow from devices to host
Firmware change can not cause leakage between channels or data export
Security Accreditations Common Criteria EAL 4+ ALC_FLR.3 certified
Complies with latest NIAP Peripheral Sharing Switch (PSS) For Human Interface Devices Ver 2.1
Products are NIAP CPL listed
Physical Characteristics Dimensions: 130(D) x 320 (W) x 50 (H) mm / 5.3 (D) x 12.6 (W) x 2.0 (H) inch
Device weight: 1.2 Kg. (2.6 lbs.)
Shipping Weight: 1.8 Kg (4 lbs) without cables


This is an example of what a setup would look like.
For more detailed information on specific models, call the number in the upper right corner of your screen.


Order Info

Part No.Description
K404F-SH 4-Port Secure KVM Multiviewer (Combiner)

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