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CONTENTS
Thank you for your purchase of the Linear Doorbell Intercom Security
System. Linear is proud to bring to the public an easy-to-install and use
in-home security and communications system. By using your home’s
electrical wiring to carry sound, the Doorbell Intercom Security System
offers you the opportunity to answer the door from any electrical outlet
on your property.* In addition to the convenience that this product
brings, you will also appreciate the security feature, that makes it
possible to talk to people outside your door, without actually opening it.
*This occurs if all outlets around the property are connected to the same
electrical loop that the household wiring is on. Most homes in the U.S.
will have only one electrical loop on the property.
For technical assistance
Call: 1-800-842-5378
DOORBELL INTERCOM SECURITY SYSTEM . . . . . . . . . . . . . . 4
Wireless Intercom . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
Doorbell Module . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
DOORBELL MODULE INSTALLATION . . . . . . . . . . . . . . . . . . 6
Installing Using Existing Doorbell Wiring . . . . . . . . . . . . . . . . 6
Installing As A New Independent System . . . . . . . . . . . . . . . 8
INTERCOM INSTALLATION . . . . . . . . . . . . . . . . . . . . . . . 10
TESTING THE SYSTEM . . . . . . . . . . . . . . . . . . . . . . . . . 10
TROUBLESHOOTING . . . . . . . . . . . . . . . . . . . . . . . . . . 11
No Sound . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
Poor Sound Quality . . . . . . . . . . . . . . . . . . . . . . . . . . 11
SPECIFICATIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
INSTR
,INSTL,DB-301,ENG
L
ISH
Linear P/N: 216082 B
Si
z
e
: 5.500" x 8.500"
Materi
al
: 60 Lb. W
h
ite C
oated w
ith 80 Lb. W
h
it
e Coated Cov
e
r
Ink: Bl
ack
Sc
al
e: 1-1
3