Manage secure keyboard & mouse operations on four computers over multiple displays.


  • Validated to EAL 4+ security standards
  • Complies with Common Criteria Protection Profile 2.1
  • Manage four connected computers in isolation
  • Unidirectional data paths
  • Virtual Display Technology for automatic switching
  • Independent audio switching
  • Dedicated processors for emulation
  • USB port protection
  • CAC Port


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


Host Computer Input Ports 4 x isolated USB Type B and Audio input ports to connect computers
4 x isolated keyboard and mouse device emulators
Console Ports 4x USB Type-B connector for user-authentication device
USB Type-A jacks for keyboard and mouse
2x PS/2 jacks for keyboard and mouse
RDC Port to connect HSL Remote Desktop Controller (RJ-45 jack)
Channels isolation with optical data-diode and two separate host emulators
USB Type-A Jack for uder-authentication device
User Control Channel switching via Virtual Desktop Technology (VDT) – KM operation will switch to current cursor location
Manual channel selection via Hotkeys
Status LED’s in front panel to indicate current selected channel
User may set mouse speed, acceleration other cursor behaviors
Power AC input cable IEC-3 jack
Internal power supply.
Power input 90-240V AC, 0.2A maximum at 110VAC
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
Changing Firmware (on ROM) cannot cause leakage between channels or data export
Isolated power supplies for each device emulator
Battery powered anti-tampering system to disable product in case of mechanical intrusion
Special holographic Temper Evident Labels
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
Environmental Temperature range: Operating - 0ºC to 40ºC (32ºF to 104ºF); Storage - -20ºC to 60ºC (-4ºF to 140ºF)
Humidity: Operating - 20 to 80% non condensing; Storage – 10 to 90% non condensing
Altitude: 0 to 10,000 ft
Regulatory Compliance Safety: UL/cUL60950,EN60 950
EMI/EMC: FCC Class B, CE Mark, EN55022B, VCCI
Security Accreditations Common Criteria EAL 4+ certified
Complies with latest NIAP Peripheral Sharing Switch (PSS) For Human Interface Devices Ver 2.1
Physical Characteristics Dimensions: 135(D) x 320 (W) x 50 (H) mm / 5.3 (D) x 12.6 (W) x 2.0 (H) inch
Device weight: 1.5 Kg. (3.3 lbs.)
Shipping Weight: 1.8 Kg (4.0 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

K304E-SHrt 4-Port Secure Keyboard & Mouse Switch

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