Pdu A; Pdu B; Pdms - HP 6400/8400 User Manual

Figure 17 Dual PDU—rear view

1. PDU B

2. PDU A

PDU A
PDU A connects to AC PDM A1–A4.
A PDU A failure:
Disables the power distribution circuit
Removes power from from the left side of the rack
Disables disk enclosure PS 1
Disables the left power supplies in the controllers
PDU B
PDU B connects to AC PDM B1–B4.
A PDU B failure:
Disables the power distribution circuit
Removes power from the right side of the rack
Disables disk enclosure PS 2
Disables the right power supplies in the controllers

PDMs

Depending on the rack, there can be up to eight PDMs mounted in the rear of the rack:
The PDMs on the left vertical rail connect to PDU A
The PDMs on the right vertical rail connect to PDU B
22 EVA6400/8400 hardware
3. Main circuit breaker
4. Circuit breakers