Bosch FAS-420-TM Series Aspirating Smoke Detectors LSN improved version - Manual (Page 4)

4
| |
4
5 -
V -
V +
b1 +
a1 -
Shield
V -
V +
a2 -
b2 +
Shield
Data +
Data -
LS
N
LS
N
1b
2b
3b
4b
5b
6a 6b
7a
8a 8b
7b
2a
3a
4a
5a
1a
X4
1
2
3
X2
X3
FAS
-420-
TM
se
ries