IBM System X High Voltage DC PDU Installation And Maintenance Manual page 24

2. Attach the brackets to the PDU with two M3 x 5 screws per bracket. Use the
3. Align the PDU with the opening in the side of the rack; then, while you hold
4. Route the power cord from the PDU along the side of the rack and secure the
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1U Higher Voltage DC PDU (240V/380V): Installation and Maintenance Guide
screws that come with the PDU.
the PDU in place, attach the brackets to the rack-mounting flanges with four
clip nuts and four M6 screws that come with the PDU.
power cord with the cable straps that come with the PDU.
Short mounting bracket