Nortel Networks 8000 Series - Manual (Page 38)

38 Adding and replacing DC power supplies
313070-E Rev 00
Figure 13 Removing the plastic safety cover from the DC power supply
8 Note the positions of the ground stud and of the positive and negative power
inputs (
Figure 14 and Figure 15 on page 39 ).
The +VDC and -VDC inputs to the power supply are isolated from frame
ground. Either +VDC or -VDC may be referenced to frame ground for +48
VDC (nominal) or -48 VDC (nominal) applications.
Figure 14 DC power supply input and ground stud location (8004)
10412FA
-DC
+DC
10299FA
-DC
+DC
1
3
2
1 = Ground stud
2 = Positive power inputs
3 = Negative power inputs