Cisco Nexus 7000 - Page 175

6-21
Cisco Nexus 7000 Series Hardware Installation and Reference Guide
OL-23069-07
Chapter 6 Installing Power Supplies
Connecting a DC Power Supply to DC Power Sources
Figure 6-10 Connecting a PIU to a Power Supply and a 3- or 6-kW Power Supply for Input Source Redundancy
+
-
+
-
+
-
+
-
+
-
+
-
+
-
+
-
+-+
-
+
-
+
-
-+
-+
-+
-+
5
6
5
6
1
1
1
1
4
4
4
4
2
2
3 3
345615
2
2
1 3-kW DC power supply (1 to 4) 4 6-kW DC power supply (1 to 4)
2 Power interface unit (PIU) 5 Connections for 3 kW of available power
3 Two DC power grids 6 Connections for 3 kW of reserve power (input
source redundancy)