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Emerald® 4K KVM-over-IP Extender - DisplayPort, Single-Monitor, V-USB 2.0, Audio

4K 60 Pixel perfect extension and switching over IP with direct Virtual Machine access.

Item #:  4K KVM-over-IP Extender - DisplayPort, Single-Monitor, V-USB 2.0, Audio


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

  • Pixel-perfect Video up to 4K60
  • Dual stream technology to allow full interoperability between HD transmitters and receivers.
  • Transparent USB 2.0 and audio
  • Ultra-low latency


Emerald 4K transmitters and receivers deliver pixel-perfect video with HD or 4K/60 resolutions over an IP network.

Users working on the system experience fast and easy-to-use access to their target servers with premium video quality and a rich peripheral set supporting stereo audio and up to any four true emulated USB 2.0 devices including Wacom® tablets. Administrators require comprehensive management with convenient configuration options in line with high-level security and reliable operation.

Emerald 4K Transmitters are infinitely scalable, starting as simple extenders, or part of a smaller switchable matrix over a network, or by adding a Boxilla on the network you can have a KVM over IP switchable system or hundreds or even thousands of devices providing access across locations.

System Design
Emerald comprises of a choice of transmitters connecting computers or virtual machines to the system and receivers adding the user consoles. Uniquely Emerald offers a range the EMS range of Emerald network switches this allows management of the entire KVM network and monitoring of the system down to port level, A range of SFP/SFP+ transceivers prove best performing video quality and KVM extensions over the required distances.

Use the Emerald units featured on this page to connect DisplayPort and consoles with resolutions up to 4K/60, transparent USB 2.0, and bi-directional analog audio to your Emerald system.

Instant access across the whole Enterprise
Emerald makes access simple, enabling you to scale access infinitely and gradually across buildings, campuses, and the wide-area network, using your existing network infrastructure - with switching between sources at speeds of less than half a second.

Digital video at its best
Emerald is the first KVM platform that supports pixel-perfect 4K DisplayPort video at 60 Hz over standard IP network switches using copper or fiber cable. Image transmission with mathematical lossless compression visualizes every single pixel at 60 fps with 8-bit color depth. If you are not ready for 4K yet, start with the Emerald SE or PE options supporting one or two full HD DVI/DP video heads with resolutions up to 1920 x 1200 - and migrate to 4K at your own pace by transitioning individual user groups when the need arises.

As more physical servers are replaced by virtualization allowing greater availability, better scalability, and therefore a higher return on investment. Emerald simplifies access to both physical and virtual servers with virtual machine support for VMware, Microsoft, and Citrix, using RDP, RemoteFX, and PCoIP. Emerald receivers connect to a virtual machine with additional hardware required and no training for the user.

Fail-safe operation
All Emerald 4K and PE transmitters and receivers feature copper or fiber connectivity through two flexible SFP+ slots.

Your 24/7 operation requires network resilience. Use the redundant network ports on the Emerald units to provide continuous, uninterrupted operation in the event one network experiences loss of service. Connect the endpoints either through two alternative direct links, a direct link, and a network connection, or two independent networks.

Network Requirements
For HD video, Emerald requires a standard Gigabit Ethernet network and possibly a 10 Gigabit aggregate switch, depending on how many endpoints you have. For a 4K pixel-perfect video, you'll need a standard 10 Gigabit Ethernet network with a 100 Gigabit aggregate switch. For both, the network infrastructure required by Emerald can be built with IEEE 802.3 standards-based components from Black Box or other manufacturers.

Tech Specs

Product Includes:

Transmitter Includes

  • (1) USB Type-A to B Cable, 6-ft. (1.8-m)
  • (1) DisplayPort Male to Male Cable, 6-ft. (1.8-m)
  • (2) 3.5mm Audio Cables, 5-ft. (1.5-m)
  • (1) 12-VDC Power Supply and Power Clips

Receiver Includes

  • (1) 12-VDC Power Supply and Power Clips

Kit Includes

  • All components for Transmitter and Receiver
  • (2) SFP+ (LSP421)


Compatibility Note:

  • Emerald4K_Firmware_v6.0 firmware is compatible with other 6.0 endpoints.
  • The EMD4000R can connect to the EMD4000T, EMD200DV-T, Emerald SE/PE Transmitters using 6.x firmware or higher, but not to an Emerald SE/PE Receiver to an EMD4000T.
  • Firmware 6.0 is not compatible with Firmware 1.4.
  • EMD4000T cannot be accessed by any version of RemoteApp to date.

* 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.



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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