Telephone Wiring Connections

Product Update
Bosch Security Systems
130 Perinton Parkway
Fairport, NY 14450
Concerns: DS7400 Telephone Wiring Connections
(800) 289-0096
(888) 886-6189
Affects:
DS7420i Dual Phone Line/Bell Module
Date:
October 31, 1995
The Wiring Diagram shown in the Installation Instructions for the DS7420i Dual Phone Line/Bell Supervision
Module references wiring the DS7420i to the DS7400Xi Control Panel.
The telephone wiring connections between the DS7400 or DS7400X and DS7420i are different than the
DS7400Xi. When using the DS7420i with the DS7400 or DS7400X, wire terminals 21 through 24 as
follows:
DS7420i
Terminal
Terminal
Terminal
Terminal
21
22
23
24
DS7400 or
DS7400X
Terminal 14
Terminal 13
Terminal 16
Terminal 15
to
to
to
to
Function
Control
Control
Control
Control
Line Ring
House Ring
House Tip
Line Tip
All other wiring connections shown in the DS7420i Installation Instructions are correct for all panels.
Refer to the Control Panel Reference Guide for programming information.
Product Update
Bosch Security Systems
130 Perinton Parkway
Fairport, NY 14450
Concerns: DS7400 Telephone Wiring Connections
(800) 289-0096
(888) 886-6189
Affects:
DS7420i Dual Phone Line/Bell Module
Date:
October 31, 1995
The Wiring Diagram shown in the Installation Instructions for the DS7420i Dual Phone Line/Bell Supervision
Module references wiring the DS7420i to the DS7400Xi Control Panel.
The telephone wiring connections between the DS7400 or DS7400X and DS7420i are different than the
DS7400Xi. When using the DS7420i with the DS7400 or DS7400X, wire terminals 21 through 24 as
follows:
DS7420i
Terminal
Terminal
Terminal
Terminal
21
22
23
24
to
to
to
to
DS7400 or
DS7400X
Terminal 14
Terminal 13
Terminal 16
Terminal 15
Function
Control
Control
Control
Control
Line Ring
House Ring
House Tip
Line Tip
All other wiring connections shown in the DS7420i Installation Instructions are correct for all panels.
Refer to the Control Panel Reference Guide for programming information.
© 2004 Bosch Security Systems
130 Perinton Parkway, Fairport, New York, USA 14450-9199
Customer Service: (800) 289-0096; Technical Support: (888) 886-6189
02/04
DS7420i Product Update
P/N: 30687D Page 2
© 2004 Bosch Security Systems
130 Perinton Parkway, Fairport, New York, USA 14450-9199
Customer Service: (800) 289-0096; Technical Support: (888) 886-6189
02/04
DS7420i Product Update
P/N: 30687D Page 2