2 WIRE APT. AMPL./POWER SUPPLY
USE WITH HT3009 SER. HANDSETS AND DZ209 SERIES DIODE BOARDS (MOUNTS INSIDE ENTRY PANEL)
Architects & Engineer's Specs
Power supply/amplifier shall be designed to mount directly into the 'TT' or 'TTM' series lobby entry panel stations. Power supply/amplifier shall contain the system amplifier, power supply, speaker and microphone, all in one 'snap-in' assembly. Unit shall snap onto the panel front speaker/microphone grille.
Power supply/amplifier shall provide the intercom amplification and signalling power for the proper system operation. Power supply/amplifier shall be installed a safe distance from any source of electrical interference.
Contractor shall observe all local and national electrical and building codes.