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Master Terminal Unit (MTU)

Abbreviation(s) and Synonym(s):

Control Server


  A controller that also acts as a server that hosts the control software that communicates with lower-level control devices, such as Remote Terminal Units (RTUs) and Programmable Logic Controllers (PLCs), over an ICS network. In a SCADA system, this is often called a SCADA server, MTU, or supervisory controller.
NIST SP 800-82 Rev. 2 under Control Server

  See Control Server.
NIST SP 800-82 Rev. 2