C.O. / Phone
N.O. contacts to doorbell
switch, camera control, etc.
C.O. LINE
N.O. COM N.C.
N.O.
N.C.
C.O. / Phone Line Input
N.C.
N.O.
C.O.
C.O. LINE
N.O. COM N.C.
N.O.
N.C.
IMPORTANT: Electronic devices are susceptible to lightning and power station electrical surges from both the AC outlet and the telephone line.
It is recommended that a surge protector be installed to protect against such surges.
!
* Note: To increase surge protection, fasten a wire from the screw terminal to Earth Ground (grounding rod, water pipe, etc.)
A. Basic Installation
* Note: To increase surge protection, fasten
a wire from the screw terminal to Earth
Ground (grounding rod, water pipe, etc.)
3
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