The Addressable VULCAN 2 DS is available as a detector sounder, Beacon or combined sounder /Beacon. This particular device permits a conventional detector to be connected to the addressable loop via the sounder and/or Beacon. There are also versions available incorporating a loop isolator. All VULCAN 2 DS devices have dip-switch Address setting while tome selection is via a jumper. Shadow Sounder and detector Sounder setting are also achieved using the 8 way dip switch and a jumper respectively.