Verbatim® VRSC-4-1E-NR Remote Supervisory Control without Relay Output Box controls 4 AC or DC digital outputs for the Verbatim®, Verbatim® Secure Front Panel or Verbatim® Gateway. USER MUST SUPPLY RELAYS. A Verbatim® Daughter Card Assembly must be purchased for a Verbatim® or a Verbatim® Secure Front Panel autodialer when ordering Analog Channels, Remote Supervisory Control, Verbatim® Modbus Communications, Local Data Logging, Central Data Logging, or SCADA. Only one card is required regardless of the number of options. A Daughter Card is a standard item on the Verbatim® Gateway.