20
4G CELLULAR
ALARM COMMUNICATOR
INSTALLATION (cont.)
(INSTALLATION continued next page)
L
Radio Daughterboard
Telephone Line Interface Module
To RJ31X (House Phone Line)
To Alarm Panel
To
A
C
Tr
an
sf
or
m
er
To
B
at
te
ry
Note: All Circuits are power-limited,
except for battery connections. A ¼ inch
spacing is required between power-
limited circuits and non-power limited
circuits for UL compliant installations
Dip Switches
Led 1
Led 2
Led 3
Led 4
Led 5
FIGURE 1: 4550-CB PC BOARD DETAILS