Nokia DNT2Mi sp/mp - Manual (Page 35)

Installing DNT2Mi
DN01145897 © Nokia Corporation 35 (128)
Issue 2-0 en Nokia Proprietary and Confidential
Figure 20. Principle of a negative-grounded DC power system
Figure 21. Principle of a positive-grounded DC power system
-48V system
Earthing bar
+ bar
+
-
Fuse 2 A max. 10 A
1.0 mm
2
1.0 mm
2
+
-
E
+48V system
Earthing bar
- bar
+
-
Fuse 2 A max. 10 A
1.0 mm
2
1.0 mm
2
+
-
E