Q2 Single choice Flag Which of the following statements are true about the dry contact card of the integrated UPS? A After the BCB port of dry contact card is connected, the BCB port can be used only ifit is enabled on the monitoringsoftware. B The EPO port can be normally open or normally closed. C The UPS dry contact card can be used to detect the switch status of the battery system. D The dry contact card cannot detect the status of an external battery switch. Correct answer