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4Site II KVM Switch

Simultaneously display video from four USB or PS/2 computers and enjoy resolutions up to 1900 x 1200, too!

Item #:  KVM Switch


Call 877-877-2269 for pricing and to place order.
Please Note: Once ordered, this product cannot be cancelled or returned for credit.
Call for Pricing
*Price excludes GST

Product Features

  • Control four PS/2 or USB servers with just one PS/2 or USB keyboard, one PS/2 or USB mouse, and one VGA or DVI monitor.
  • Maximum VGA resolution of 1600 x 1200; maximum DVI resolution of 1900 x 1200.


  • Switch via pushbuttons, keyboard commands, or mouse.
  • Great for control rooms, server farms, and security systems.
  • Less than 1U high. The Rackmount kit is included.
  • View video from your computers in three modes: one-to-one Full-Screen Mode, four-in-one Quad Mode, or three-on-one Picture-in-Picture (PiP) Mode.
  • Support for up to (4) peripheral USB 2.0 devices to switch automatically or manually between ports.
  • No software needed.

One for all.
The new 4Site II gives you true KVM switching for controlling four servers from one keyboard and mouse. Plus, it gives you the ability to display the video from those four servers on one monitor - all at the same time, and in real-time!

This ServSwitch is a real bonus if you work in a control room or need to keep track of multiple screens. You can view them all on one monitor at your workstation instead of setting up a bank of monitors.

You have three modes to view the video from your different computers: one-to-one Full-Screen Mode, four-in-one Quad-Mode, and three-on-one Picture-in-Picture (PiP) Mode.

One-to-one Full-Screen Mode.
In Full-Screen Mode, the video from one of the four connected CPUs or servers is displayed on the entire screen and in maximum resolution. The operation of the keyboard and mouse automatically switches to the selected CPU or server.

Four-in-one Quad Mode.
In Quad Mode, the screen is split into four fields of equal size. Each field displays the live video from one of the connected CPUs or servers. Select keyboard and mouse operation from the field of the corresponding computer.

Three-on-one Picture-in-Picture Mode.
In the Picture-in-Picture (PiP) mode, you can display the full-screen video from one of your computers. Then, video from up to three other computers is shown as thumbnail images down the right-hand margin of the screen. This way, you can monitor one computer while simultaneously keeping an eye on the other three. You can also scale the images to comfortable viewing size.

Compatible and simple.
4Site II gives you the flexibility to use all types of monitors and video equipment. It supports all combinations of analog VGA and digital DVI video cards, monitors, even cameras. The switch automatically determines the resolution of the monitor and each of the four servers. For clear, sharp video, resolutions up to 1920 x 1200 at 60 Hz (digital) are supported. For even more versatility, the switch is compatible with both PS/2 or USB keyboards and mice.

You can switch between the three operation modes, and select your keyboard and mouse operation by using the buttons on the front of the switch, keyboard commands, or mouse functions.

Use almost anywhere.
You can use this switch in a variety of environments, such as in control rooms, server farms, security systems, and anywhere you need to monitor multiple video sources. Additionally, the 4Site II supports up to (4) peripheral USB 2.0 devices to switch automatically or manually between ports.

Visualize everything.
You can also use the 4Site II to tie up to four KVM switching systems together. Centralize management for the ultimate KVM switching experience!

Connect it to a ServSwitch Octet™ for use in large-scale systems. You can even control it remotely over the Internet with the ServSwitch Wizard™ IP.

Tech Specs

Product Includes:
  • (1) ServSwitch 4-Site II+
  • (1) Power Cord
  • (2) Rackmount Ears with Hardware
  • CD-ROM with User Manual
  • (1) USB Type A Male to (2) PS/2 Female Adapter Cable
  • (1) Flash Upgrade Kit DB9 to RJ45 Cable
  • (1) VGA to DVI-I Adapter

Product works with:
  • 4Site cables (EHN900024U)
    Questions? Call our FREE Tech Support.

    * Technical specification weight is the unit weight. It is not the packaged shipping weight. For shipping weight, please contact Black Box customer service at 1-877-877-2269.

  • Support


    Double Diamond Warranty Diamond

    Double Diamond™ Warranty (Standard)

    Take the risk out of equipment purchases with the Double Diamond™ Warranty from Black Box Network Services.

    The Double Diamond Warranty is our warranty that protects your Black Box® brand products* from accidental damage, including drops, water, and power surges.

    During the warranty period, Black Box Network Services will repair or replace your damaged equipment within one week of receipt at NO CHARGE!*

    Plus, get an Extended Double Diamond Warranty.

    You can also extend your warranty or protect a previously purchased Black Box® brand product** for an additional year—for only 10% of the purchase price! Or, extend your coverage for a full three years for only 20% of the purchase price!

    Ordering an extended warranty is easy: When viewing a product in your shopping cart, just select the one or three years of additional coverage in the dropdown menu under “Warranty Options.” For details, contact Customer Service at 724-746-5500.

    * Warranty subject to certain exclusions and limitations ** Certain products may not be eligible.

    What’s more, we also have a 45-day return policy. Simply call Customer Service for a Return Authorization (RA) number, return your product in new condition and in the original package, and receive a full refund.


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