Chamberlain ELITE EL25 - Manual (Page 13)

Page 11
Wiring with No Telco Line
Wiring with No Telco Line
The unit can be a stand alone system that allows communication between the unit and a resident’s phones.
Single Unit
Tip
Ring
Tip
Ring
RES
TELCO
Use 18-24 AWG
2 twisted pair
Output Board
(See page 6)
NOTE: Ringer Equivalence Number (REN) of “5” maximum.
Never run Telco wires and High
Voltage wires in the same
conduit. The high voltage wires
may interfere with the Telco
wires, possibly causing the
system to malfunction.
Multiple Units (Up to 7)
Tip
Ring
Tip
Ring
RES
TELCO
Tip
Ring
Tip
Ring
RES
TELCO
To next unit (Unit ID 3 then 4 etc.)
Use 18-24 AWG
2 twisted pair
IMPORTANT: You must program the unit ID's for each
unit wired in the series. See Keypad Programming Manual.
IMPORTANT: Only disable the Telco mode of the unit farthest
away from the house. See “Disable Telco Mode” in the
Keypad Programming Guide.
Unit ID 1
Output Board
(See page 6)
Unit ID 2
Output Board
(See page 6)
Home Phone
NOTE: Ringer Equivalence Number (REN) of “5” maximum.