Atlona Technologies Atlona 2x1 Mini DisplayPort KVM Switch (Powerless)

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Atlona 2x1 Mini DisplayPort KVM Switch. Model: AT-MDP21

The Atlona AT-MDP21 is a Mini DisplayPort switcher which allows users to connect up to two Mini DisplayPort computers to a single display. The AT-MDP21 has 2 individual Mini DisplayPort and 4 USB inputs and an individual Mini DisplayPort output to a Display as well as 2 USB outputs for keyboard and a mouse. Supporting digital video resolutions up to 1920x1200, the AT-MDP21 is perfect for users looking to use a single Mini DisplayPort Monitor, such as the Apple 24" Cinema Display with multiple Mini DisplayPort computers. The switcher is featured with 2 push-buttons on the front panel which will allow user to select channels # 1 or # 2. The MDP21 is a passive switch without a need of a separate power.

Connection Instructions:

  • Connect supplied Mini DisplayPort cables from your computers to each input on the switch.
  • Connect Supplied 4 x USB Cables (2 x USB cable per computer) from both computers to the switcher USB inputs.
  • Connect Mini DisplayPort monitor to the output of the switch
  • Connect Keyboard and Mouse to Both outputs of the switch
  • Switch between input # 1 and # 2 to verify the signal is going though

Notes: The AT-MDP21 is mainly designed to work with Apple 24" Led Display

Note: All Atlona Products which are designed for Mac users are being tested at the Apple Lab in Cupertino to ensure perfect compatibility between all the Apple computers and Displays


  • 2 x Mini DisplayPort inputs and 1mini DisplayPort output KVM Switch.
  • 4 USB inputs and 2 USB outputs.
  • 2 input select buttons on front panel to select the input sources.
  • Passive mechanical Switch, doesn't require power
  • Supports digital video resolutions up to 1920x1200
  • Supports high-speed uncompressed digital video.

Technical Specifications:

  • Type of Switcher: 2 inputs to 1 output, (Mechanical) Mini DisplayPort KVM Switch
  • Video Resolutions: up to 1920x1200
  • Controls: Select buttons on the front panel
  • Signal Support: High-speed Uncompressed digital video and audio
  • Safety Approvals: RoHS (2002/95/EC)
  • Dimensions (LxWxH): 6.25”x 5” x 1.23”(160mm x 134.8mm x 32mm)
  • Shipping Weight: 0.3 Kgs / 0.65 lbs


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