Before you begin
DANGER
When working on or around the system, observe the following precautions:
Electrical voltage and current from power, telephone, and communication
cables are hazardous. To avoid a shock hazard:
v If IBM supplied a power cord(s), connect power to this unit only with the
IBM provided power cord. Do not use the IBM provided power cord for
any other product.
v Do not open or service any power supply assembly.
v Do not connect or disconnect any cables or perform installation,
maintenance, or reconfiguration of this product during an electrical storm.
v The product might be equipped with multiple power cords. To remove all
hazardous voltages, disconnect all power cords.
v Connect all power cords to a properly wired and grounded electrical outlet.
Ensure that the outlet supplies proper voltage and phase rotation according
to the system rating plate.
v Connect any equipment that will be attached to this product to properly
wired outlets.
v When possible, use one hand only to connect or disconnect signal cables.
v Never turn on any equipment when there is evidence of fire, water, or
structural damage.
v Disconnect the attached power cords, telecommunications systems,
networks, and modems before you open the device covers, unless
instructed otherwise in the installation and configuration procedures.
v Connect and disconnect cables as described in the following procedures
when installing, moving, or opening covers on this product or attached
devices.
To disconnect:
1. Turn off everything (unless instructed otherwise).
2. Remove the power cords from the outlets.
3. Remove the signal cables from the connectors.
4. Remove all cables from the devices.
To connect:
1. Turn off everything (unless instructed otherwise).
2. Attach all cables to the devices.
3. Attach the signal cables to the connectors.
4. Attach the power cords to the outlets.
5. Turn on the devices.
v Sharp edges, corners and joints might be present in and around the system.
Use care when handling equipment to avoid cuts, scrapes and pinching.
(D005)
Attention: Even though many of these components are hot-swappable, they are
intended to be used only when your system is not active (no I/O operations). If
your system is powered on and processing I/O operations, go to the management
GUI and follow the fix procedures. Initiating the replacement actions without the
assistance of the fix procedures can result in loss of data or loss of access to data.
Chapter 5. Control enclosure 307
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