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Upgrading the Hardware 67
Statement 1
DANGER
Electrical current from power, telephone, and communication cables is hazardous.
To avoid a shock hazard:
- Do not connect or disconnect any cables or perform installation, maintenance, or
reconfiguration of this product during an electrical storm.
- Connect all power cords to a properly wired and grounded electrical outlet.
- Connect to properly wired outlets any equipment that will be attached to this product.
- When possible, use one hand only to connect or disconnect signal cables.
- Never turn on any equipment when there is evidence of fire, water, or structural damage.
- 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.
- Connect and disconnect cables as described in the following table when installing,
moving, or opening covers on this product or attached devices.
To Connect: To Disconnect:
1. Turn everything OFF.
2. First, attach all cables to devices.
3. Attach signal cables to connectors.
4. Attach power cords to outlet.
5. Turn device ON.
1. Turn everything OFF.
2. First, remove power cords from outlet.
3. Remove signal cables from connectors.
4. Remove all cables from devices.
Notes
Hazardous conditions, processors and power supplies: Thermal conditions
may be present in the Processor/Memory Complex. Allow all fans to continue
to run until they shut down on their own after power has been turned off. After
the fans stop, you can unplug/disconnect the power cord.
Cooling and airflow: For proper cooling and airflow, always install the
chassis covers before turning on the system. Operating the system without
the covers in place can damage system parts.