3PAR InForm® OS 2.3.1 Messages and Operator's Guide (320-200181 Rev B, February 2010)

3.7
Understanding Component Numbering
InForm OS Version 2.3.1 Messages and Operator’s Guide
Figure 3-6. Drive Chassis Cabinet Component Layout
3.3.2 PDU Numbering
For each cabinet, the four Power Distribution Units (PDUs) occupy the lowest chassis bay in the
cabinet.
Numbers for PDUs are assigned:
■ beginning with 0.
■ from top to bottom.
Figure Figure 3-7 illustrates the four PDUs at the bottom of a 3PAR cabinet.
0
Bay
Number
1
2
3
4
5
6
7
8
9
0215_L_R1
Rack
Units (U)
40
38
36
34
32
30
28
26
24
22
20
18
16
14
12
10
8
6
4
2
0
Drive Chassis or
Filler Panel
Drive Chassis or
Filler Panel
Drive Chassis or
Filler Panel
PDU 2
PDU 3
PDU 0
PDU 1
Drive Chassis
Filler Panel
Drive Chassis or
Filler Panel
Drive Chassis or
Filler Panel
Drive Chassis or
Filler Panel
Drive Chassis or
Filler Panel