Figure 8: Ground Start - Bosch radlonlcs D6412 Installation Manual

The PO 1 jumper is not used when interfacing PO 2, 3 or 4 to a D133 or D134.
See Figure 8 for details.
You must connect a proper earth ground reference to the earth ground terminal.
IMPORTANT
Ground start not for use in Fire or combined Fire/Burglary applications. You can not use ground start
telephone systems for Fire or combined Fire/Burglary applications.
WARNING
PO 1 Configuration for Ground Start
PO 2, 3, 4 Configuration using a D133/D134 for Ground Start
© 2002 Radionics
PO 1 Jumper Open
JP2-PO1
Select
R
Y
G
B
Alrm
PO1 +
A B L-1
+
JP2-PO1
Select
R
Y
G
B
Alrm PO1 +
A B L-1
+

Figure 8: Ground Start

D6412/D4412 Installation Guide
Telephone Connections
JP1
AUXILIARY
Installer
-
Com L-2 L-3 Com L-4 L-5 Com
JP1
AUXILIARY
Installer
-
Com L-2 L-3 Com L-4 L-5 Com
D133/D134
Page 27
D6412/D4412
R
R1
T1
T
L-6 L-7 Com L-8
R
R1
T1
T
L-6 L-7 Com L-8
45349D