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■ Door Ajar Switch Contacts (2) – input from door ajar device.
■ Door Bell Button Contacts (2) – input from door bell/chime
button.
■ Shield Contact (1) – used for shielding audio speaker wires.
■ Speaker Contacts (2) – provides audio connection to door
speaker(s).
Host system RJ11 (J1 Host) modular jack interface —This
jack is provided for connection to your own telephone set, or
business telephone system (PBX or EKTS) (the host system).
Central Office RJ11 (J2) modular jack interface —This jack is
provided for connection to a C.O. telephone line (from
telephone company’s central office).
WARNING: RISK OF ELECTRICAL SHOCK —
EQUIPMENT MUST BE PROPERLY GROUNDED.
Your AT&T equipment requires a properly grounded
three-prong power receptacle for safe operation. Have
the receptacle checked by a qualified electrician before
connecting this equipment. Do not cut or remove the
third (ground) prong from the power transformer. Do
not use two-prong extension cords or adapters to
defeat the safety features of this equipment. If you
have a two-prong receptacle, it must be replaced with
a three-prong receptacle, installed by a qualified
electrician.
Installation Procedures 2-7