The Door Entry Controller is part of the Door Entry Controller system that dramatically expands the potential installation sites for door phone speakers.
Features
Universal connection to door phone system limited to ground/loop start trunk connection
May be used with door phones, PABX systems, electronic key systems, 1A2 key systems or single line telephones
Custom ringing mode distinguishes door phone calls from C.O. calls
Call waiting tones indicate which door phone is calling and distinguish a door phone call from a C.O. line call.
Calls can be placed on hold when visitors call from the door phone. Selectable Auto Answer feature allows remote audio monitoring (silent monitoring) of door phone location .
Provides two touch tone controlled N.O. and N.C. dry contact closures for door strikes or gate openers
Allows two door phones to share a single telephone line with a residential or business telephone system. Plastic cone speaker with puncture-resistant, protective screen
Built-in tank battery for C.O. applications
Auxiliary contact output for doorbells, cameras, etc.