Chamberlain TAC1 - Manual (Page 6)

6
WIRING THE UNIT WITH A TELCO LINE
WIRING THE UNIT WITHOUT A TELCO LINE
Ring Ring
Tip
Ring
Tip Tip
Ring
Tip
Telco Entrance Box
Demarcation Point
Ringer Equivalence Number (REN) = 5
The unit can be a stand alone system that allows
communication between the unit and the resident’s phones.
PHONE
LINE
TIP
RING
TIP
RING
Ring Ring Ring Ring
Tip
Telco Entrance Box
Demarcation Point
Telco
Tip Tip Tip
Ringer Equivalence Number (REN) = 5
INSTALLATION
>> WIRING THE UNIT WITH A TELCO LINE AND
WIRING THE UNIT WITHOUT A TELCO LINE
Never run data wires and high voltage wires in the same conduit. The high voltage wires may interfere with the data wires
and cause the system to malfunction.