Wiring Multiple El25 Units To The Telco Line - Chamberlain Elite EL25 Installation Manual

Wiring Multiple EL25 Units to Telco Line
Up to 7 EL25s can share the same phone line. The bypass boards allow the EL25 units to be
disconnected without interrupting normal telephone operation.
• When the EL25 units are in use , the bypass switches must be set to the operate position.
• When the EL25 units are disconnected , the bypass switches must be set to the bypass position.
Bypass Board for Unit 1
OPERATE
Home Phone
Ring
Ring
Tip
I m p o r t a n t : T h e V o l t m e t e r
measurement between the Tip
and Ring should read between
48 and 53 VDC.
Never run Data wires and
High Voltage wires in the
s a m e c o n d u i t . T h e h i g h
voltage wires may interfere
with the data wires, possibly
c a u s i n g t h e s y s t e m t o
malfunction.
Do Not overload the removable
terminal block connectors. One
wire per hole.
Bypass Board for Unit 2
BYPASS
Tip 4 3 2 1 Ring Tip
HOME SYSTEM TELCO
Ring
Tip
Important: The Bypass
Boards (located inside
t h e p r o p e r t y ) a l l o w
access to the phone in
case any of the EL25s
fail.
Use 18-24 AWG
2 twisted pair
Resident
Ring
3
8
4
Tip
Telco
Ring
1
9
2
Tip
Unit ID 1
Output Board
(See page 2)
Page 7
Last Bypass Board
OPERATE BYPASS
Ring Tip 4 3 2 1 Ring Tip
HOME SYSTEM TELCO
Tip
Ring
Important: You must program the Unit ID's for
each
EL25 wired in the series. See
Unit Set-Up"
C
Resident
1
2
C
Telco
C
3
4
Unit ID 2
C
Output Board
(See page 2)
BYPASS
Telco Entrance Box
Ring Tip
Demarcation Point
TELCO
Tip
Ring
"Multiple
page 19.
NO
10
NC
Com
NO
Ring
11
NC
8
Tip Com
NO
12
NC
Com
Ring
9
Tip
NO
13
NC
Com