IBM DCS9550 1S1 manual Power Cord Connection 2.11.1 Parts Check List, Procedure

Installation

).

Figure 2–13Activating the Anti-tamper Lock

4Remove the key.

De-activationis 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.

Note A drive carrier cannot be installed if its anti-tamper lock is activated outside the enclosure.

2.11Power Cord Connection

2.11.1Parts Check List

•Power cord to requisite local standards

2.11.2Procedure

1Attach the power cord to the Power Supply/Cooling Modules.

2Attach the power cord to the in-line IEC connector in this cord.

3Switch on each Power Supply/Cooling Module. The PSU Good and AC Fail LEDs on the PSU indicate whether AC mains power is present.

Caution The power connections must always be disconnected prior to removal of the Power Supply/Cooling module from the enclosure.

30 IBM System Storage DCS9550 1S1 Storage Expansion Unit Installation, Service, and User Guide