TDM-500i Intelligent Dialer and Annunciator
Telefire's TDM-500i Intelligent Dialer is intended for use in fire, security and safety systems to call automatically dial and play pre-recorded voice messages on alarm and trouble events to
emergency services and key personnel. The TDM-500i is available in two configurations:
TDM-500i the standard version that uses
24 VDC sourse. TDM-500i/12 an optional version that uses 12 VDC sourse.