Installing The Power Cables; Connecting Power To The Exn4000 - IBM EXN4000 Installation And Setup Instructions

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Figure 7. Grounding expansion units

Installing the power cables

Make sure all power supply switches of the expansion unit(s) are in the Off
position.
Connect the power cords to all PSU1 and PSU2 power receptacles for all expansion
units that are being installed by holding the wire clamp up, plugging in the power
cord, and lowering the clamp to secure the power cord.
Connect the power cords to the power sources, making sure that the power
supplies on the left side of the system are connected to a separate AC source than
the power supplies on the right side of the system. This ensures redundant power.
Attention: Do not power on the system at this time.

Connecting power to the EXN4000

Use these instructions to connect power to the EXN4000.
Procedure
1. Make sure all power supply switches on the storage expansion unit (or units)
2. Connect the power cords to each EXN4000 storage expansion unit and secure
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4
Header
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are in the Off position.
each power cord in place with the power cord retainer. Make sure that the
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Header
Dual expansion unit grounding
Multiple expansion unit grounding
Grounding cable
Grounding cables