Instruction Manual

0038a

Figure 54 Rack-mounted 252638–001 PDM

1. PDM mounting brackets, right-side orientation.

Rack AC power distribution

The power distribution in an Enterprise Virtual Array rack is the same for all variants. The site AC input

voltage is routed to the dual PDU assembly mounted in the rack lower rear. Each PDU distributes AC to a

maximum of four PDMs mounted on the left and right vertical rails (see Figure 55).

• PDMs 1 th

rough 4 connect to receptacles A through D on PDU 1. Grey power cords connect

these PDMs to the number 1 drive enclosure p ower supp lies and to the upper controller enclosure.

• PDMs 5 through 8 connect to receptacles A through D on PDU 2. Black power cords connect

these P

DMs to the number 2 drive enclosure power supplies and to the lower controller enclosure.

NOTE:

ThelocationsofthePDUsandthePDMsarethesameinallracks.

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Storage system hardware components