![Bosch FPA-5000 Wiring Manual Download Page 218](http://html.mh-extra.com/html/bosch/fpa-5000/fpa-5000_wiring-manual_39340218.webp)
L
SN 0300 A
AUX1 LSN1 AUX2 LSN2
+ – a– b+ + – a– b+
ATB 420 LSNi
4
LSN
AUX
aLSN1
bLSN1
aLSN2
bLSN2
+U
0V
G
NDE
SUA1
SUA2
ATB 420 LSNi
1
T
L
N
a
1
T
L
N
b
2
T
L
N
a
2
T
L
N
b
U
+
V
0
1
A
U
S
2
A
U
S
1
T
L
N
a
1
T
L
N
b
2
T
L
N
a
2
T
L
N
b
U
+
V
0
1
A
U
S
2
A
U
S
218 en | Wiring
Modular Fire Panel
2016.07 | 12.6 | F.01U.009.201
Wiring Guide
Bosch Sicherheitssysteme GmbH