BLACK BOX 

BLACK BOX ACXMODH21R DKM MODULAR HOUSING 21 SLOT W/P

Mfg Part Number:  ACXMODH21R  
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Price: $6,892.41 + Free Shipping
Quantity:
In Stock/Mfg Direct Ship
Last Updated: Nov 21, 2025
No Sales Tax except these states
, PO and Wire.

The DKM HD Video and Peripheral Matrix Switch System is comprised of modular housing chassis with 2, 4, 6, or 21 slots and transmitter and receiver interface cards. The DKM extender setup provides the widest range of possible combinations, which makes it easy to customize for your specific application.

  • Four housings are available: desktop housing for two, four, or six boards or a 19-inch, 4U rack for 21 boards.
  • A redundant power supply option is available in some housings.
  • The 21-port chassis has an internal AC/DC power supply.

These new DKM components are part of a modular system. You will need to contact Black Box to have them assembled to fit your application. To configure your DKM HD Video and Peripheral Matrix Switch setup, call our FREE Tech Support.

Main Specification
General Information
Manufacturer Black Box Corporation
Manufacturer Part Number ACXMODH21R
Manufacturer Website Address http://www.blackbox.com
Brand Name Black Box
Product Name Expansion Chassis
Product Type Expansion Chassis
Technical Information
Connectivity Technology Wired
Physical Characteristics
Form Factor Rack-mountable
Height 7"
Width 19"
Depth 18.3"
Weight (Approximate) 16 lb
Miscellaneous
Package Contents
  • Expansion Chassis
  • Power Supply
Compatibility
  • KVM Receiver 2-Way Audio PS/2 Expansion Card
  • KVM Receiver DVI-D USB HID SM Fiber w/Redundant Link
  • KVM Receiver HDMI USB HID 2X CATx Modular Ext. Card
  • KVM Receiver DVI-D USB HID CATx Modular Ext Card
  • KVM Receiver DVI-D USB HID SM Fiber Modular Ext Card
  • KVM Receiver HDMI CATx Modular Ext Expansion Card
  • KVM Receiver, HDMI,SM Fiber, Modular Ext Expansion Card
  • DKM Modular KVM Extender RX Interface Card SDI USB (2) CATx
  • DKM Modular KVM Extender RX Card SDI USB (2) SM Fiber
  • DKM Modular KVM Extender RX Interface Card SDI, CATx
Environmentally Friendly Yes
Country of Origin Germany
TAA Compliant Yes
Warranty
Limited Warranty 2 Year
product information
WARNING:: The plastic used in cable products can expose you to lead and lead components, chemicals known to the State of California to cause cancer, birth defects, or other reproductive harm. For more information go to www.P65Warnings.ca.gov
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