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Ring Generator
Your AT&T Door Phone Controller provides a ring generator
signal which can ring devices that respond to either 20 Hz or
60 Hz frequencies. The ringer will automatically adapt to a 50
Hz line by ringing at 25 Hz.
A Ringer Equivalence (REN) of 2 is supported by the AT&T
Door Phone Controller.
C.O. Line Jack
Mechanical
Input has a REN of 0.5, Type B.
Front Panel
Back Panel
Dimensions and Weight
The AT&T Door Phone Controller’s control unit PCB is
mounted in a molded plastic enclosure with a metal back panel.
The front panel is protected by a flip down cover. You have
access to controls and connections on the front panel and back
panel.
The front panel controls and indicators consist of:
■ one page volume control
■ one talkback volume control
■ one 8 position DIP switch
■ one power indicator (green LED)
The back panel connections consist of:
■ one strain relieved cord approximately 6 feet in length
attached to a wall mount transformer
■ one RJ11 jack for the telephone/PBX interface
■ one RJ11 jack for Central Office interface
■ one connector mounted terminal strip.
Length: 10.5'', Width: 9.5'', Height: 2.5'', Weight: 5.5 Lbs.
C-2 Specifications