Verbatim® VRSC-4-1E Remote Supervisory Control with Relay Output Box controls 4 AC or DC digital outputs for the Verbatim®, Verbatim® Secure Front Panel or Verbatim® Gateway. OPTO-22 relay Dry Reed Output, 10 VA, 100 VDC, 0.5A included. 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.