70
7.3
Addressable Loop Wiring
7.3.1
Addressable Loop Wiring - Class B (formerly Style 4)
Figure 18 Addressable Loop Wiring - Class B (Style 4)
7.3.2
Addressable Loop Wiring - Class A (formerly Style 6)
Figure 19 Addressable Loop Wiring - Class A (Style 6)
Notes:
When an SLC device is powered by the AUX output, the supervision of the power
pathway shall match the SLC pathway performance requirements.
i
CLASS B
WIRING
ION SMOKE
DETECTOR
PHOTO SMOKE
DETECTOR
HEAT DETECTOR
PULL STATION
OUTPUT MODULE
M
M
A
LO
O
P
1
B
+
-
+
-
CLASS A
WIRING
ION SMOKE
DETECTOR
PHOTO SMOKE
DETECTOR
HEAT DETECTOR
INPUT MODULE
OUTPUT MODULE
M
M
A
LO
O
P
1
B
+
-
+
-