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Parts Check List; Procedure - IBM DCS9550 1S1 Installation & Service Manual

Storage expansion unit
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Installation
).
Figure 2–13
4
Remove the key.
De-activation is the reverse of this procedure. To deactivate, rotate the key in an anti-
clockwise direction until the indicator is no longer visible in the aperture beside the key.
2.11
Power Cord Connection
2.11.1

Parts Check List

• Power cord to requisite local standards
2.11.2

Procedure

1
Attach the power cord to the Power Supply/Cooling Modules.
2
Attach the power cord to the in-line IEC connector in this cord.
3
Switch on each Power Supply/Cooling Module. The PSU Good and AC Fail LEDs on the PSU
indicate whether AC mains power is present.
30
Activating the Anti-tamper Lock
Note
A drive carrier cannot be installed if its anti-tamper lock is activated
outside the enclosure.
Caution
The power connections must always be disconnected prior to removal of
the Power Supply/Cooling module from the enclosure.
IBM System Storage DCS9550 1S1 Storage Expansion Unit Installation, Service, and User Guide

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