VULCAN 2-AB is an addressable low profile addressable flasher that can be configured in the field to operate in shadow address or auxiliary modes. They can also be produced with short circuit isolators. Up to 64 VULCAN 2 A Sounder & Beacon devices can be connected to a single loop depending on the loop load. While all VULCAN 2 A series of devices have dipswitch address setting, Tone and Mode selection is done through a jumper. Normally, VULCAN 2 A series of products are used with a detector, ie at the bottom of the detector, but with a separate cover option, it can also be used as an addressable device alone.