1
I/O group 0
2
SAN Volume Controller node A
3
2145 UPS-1U A
4
SAN Volume Controller node B
5
2145 UPS-1U B
6
I/O group 1
7
SAN Volume Controller node C
8
2145 UPS-1U C
9
SAN Volume Controller node D
10
2145 UPS-1U D
11
Redundant ac-power switch 1
12
Redundant ac-power switch 2
13
Site PDU X (C13 outlets)
14
Site PDU Y (C13 outlets)
Figure 17. A four-node SAN Volume Controller cluster with the redundant ac-power switch
feature
Chapter 2. Redundant ac-power switch
19
