Edwards EST 3-MODCOM 10/03 These horns include a series

These horns include a series diode and are suitable for use in applications requiring electrical supervision of signaling circuit installation wiring

For use with 276

Visual alarm verification day and night

which are conventional smoke detectors that can transmit a maintenance trouble signal to the FACP indicating the need for cleaning and a supervisory ‘freeze’ signal when the ambient temperature falls below the detector rating of approximately 45 °F

Edwards EST 3-MODCOM 10/03 These horns include a seriesThe Edwards EST 3 MODCOM Modem Dialer (DACT) version is a two way local rail module that performs a variety of off premise communications functions for the EST3 system. The 3 MODCOM Modem Communicator has an internal V. 32bis 14. 4K baud full duplex modem. The modem permits upload and download of system data remotely via a telephone line. In addition, the 3 MODCOM has a Digital Alarm Communications Transmitter (DACT) or dialer function that transmits