Belkin 4-port Plus Advanced Secure DVI-I KVM Switch



End-Of-Life (EOL)
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Recommended replacement: Adder AVSC1104

The Belkin F1DN104C-3 Advanced Secure DVI-I KVM Switch offers superior security and data protection by providing true data path isolation between systems and networks. The Belkin F1DN104C-3 is fully compatible with legacy and new government systems and exceeds NIAP security requirements. Using uni-directional data paths with optical diodes, it prevents peripherals from being used to leak information from one computer system to another. Additional security is provided through the F1DN104C-3 KVM's end-to-end tamper-proof system that prevents physical tampering, and its intuitive user interface reduces user-switching errors by providing clear identification. Expect the best compatibility out-of-the-gate with a Belkin F1DN104C-3 Secure KVM solution that's designed and vigorously tested to work seamlessly with common systems and peripherals used by the defense and intelligence community. The F1DN104C-3 KVM model features support for a peripheral CAC reader.

Belkin F1DN104C-3 Features:

  • CAC Reader Support
  • Dedicated processors with emulators for every port: Isolated port paths for video, audio, peripherals, and smart card readers prevent data leaks between computers
  • Unidirectional data paths: Optical data diodes prevent peripherals from being used to breach systems
  • Display security: Protected display interface prevents data leakage via the monitor
  • Peripheral management: USB device detection prevents unauthorized peripheral usage
  • Anti-tampering: Internal electrical sensors render unit inoperable if opened
  • Multi-platform support: Supports cross-platform systems, including DVI-D, DVI-I, and VGA video interface technologies with Belkin Smart Cables
  • Uni-body chassis: Minimizes entry points and prevents physical tampering
  • Secure labeling: Holographic tamper-evident product label provides visual indication and prevention of tampering
  • Customizable port coloring and naming: Facilitates port identification and reduces user switching errors
  • Fast switching: No keyboard or mouse delays when switching ports
  • Intelligent common access card (CAC) switching: Prevents unwanted system log-off while switching ports (available on certain models)
  • Easy mounting: Uses an integrated mounting track to allow under-desk or side-wall mounting, creating extra desk space
  • High retention connectors: Semi-locking USB ports prevent accidental disconnection
  • Secure packaging: Tamper-evident packaging ensures product is not tampered with during transport
  • Multi-monitor support: Connects two monitors for each system (for certain models) to increase user productivity

Belkin F1DN104C Backend
Belkin 4-port Advanced Secure KVM Switch Back View
(F1DN104C depicted here)

Belkin F1DN104C-3 Requirements:

  • Console
    • DVI-D Single-Link or Dual-Link compatible monitor
    • USB or PS/2 keyboard and mouse
    • Audio cable (optional)
  • Computers
    • DVI-D Single-Link or Dual-Link compatible graphics card and port
    • VGA compatible monitor (optional)
    • USB ports
    • Audio port (optional)

Belkin F1DN104C-3 Package Content:

  • 1 Belkin F1DN104C-3 Secure DVI-I KVM Switch
  • 1 6ft. (1.8m) USB Cable
  • 1 12V 1.5A DC Power Supply and Power Cord
  • 10 Interchangeable Port Color Chips (Multiple Colors)
  • 12 Port-Naming Labels
  • 1 User Manual

Belkin F1DN104C-3 Specifications:

Height 1.7  in. (4.32 cm.)
Width 12.5 in. (31.75 cm.)
Depth6.4 in. (16.26 cm.)
Weight3.9 lbs. (1.77 kg.)
Operating Temperature32-104 F (0-40 C)
Storage Temperature

-4-140 F (-20-60 C)


0-80% RH, Non-condensing

On Line/Selected4
Port SelectionFront Panel Pushbuttons
Video Resolution2560 x 1600 @ 60 Hz
Power Consumption12V DC, 1.5A
Scan Interval5 seconds default (1-99 secs)
Supported Hardware 
EmulationUSB keyboard/mouse
Keyboard, Mouse & Monitor2 x USB Type A
2 x 6-pin Mini-DIN (PS/2)
1 x DVI-I dual-link
Audio1 x Mini-phone 3.5mm
Computer Connectors4 x USB Type B
4 x DVI dual-link
4 x Mini-phone 3.5mm
Approved Agency FCC, EAL 2+
Warranty3 years
UPC / EAN Barcode icon
UPC 745883694617
EAN 0745883694617
Question: not connected. What is the fix?
Answer: Thank you for your inquiry,

For troubleshooting your unit, I would reccomend contacting Belkin support - they can help you walk through your application to figure out what the issue is.

If it turns out the F1DN104C is just not right for your application, please feel free to contact your KVM Switches Online sales representative and we will gladly help you find the right switch.