Siemens FDOOTC241 - Use of Shielded Cables

Mounting / Installation
70
Building Technologies A6V10209291_f_en_--
Fire Safety & Security Products 05.02.2010
5.12.1.2 Use of shielded cables
The shielding of the FDnet line must be connected in the detector base with
auxiliary terminals DBZ1190-xx.
Unshielded cables are recommended in principle for the connection of external
alarm indicators.
Two connection variants A or B are possible if a shielded cable is used:
+
-
+
-
+
-
+
-
+
-
+
-
LINE
+
-
+
-
+
-
1
2
3
+
-
+
-
+
-
+
-
+
-
+
-
2
4
A
B
4
+
+
3
1 Control panel 3 Auxiliary terminals
DBZ1190-AA/DBZ1190-AB
2 Detector base FDB221/FDB221-AA,
FDB222
4 External alarm indicator DJ119x