Lenovo ThinkSystem SR860, Руководство по обслуживанию

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cord. To remove all electrical current from the device, ensure that all power cords are disconnected
from the power source.
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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 power source.
• Connect to properly wired power sources 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 ac power cords, dc power sources, network connections,
telecommunications systems, and serial cables before you open the device covers, unless you
are instructed otherwise in the installation and configuration procedures.
• Connect and disconnect cables as described in the following table when you install, move, or
open covers on this product or attached devices.
To Connect: To Disconnect:
1. Turn OFF all power sources and equipment that is to
be attached to this product.
2. Attach signal cables to the product.
3. Attach power cords to the product.
• For ac systems, use appliance inlets.
4. Attach signal cables to other devices.
5. Connect power cords to their sources.
6. Turn ON all the power sources.
1. Turn OFF all power sources and equipment that is to
be attached to this product.
• For ac systems, remove all power cords from the
chassis power receptacles or interrupt power at
the ac power distribution unit.
2. Remove the signal cables from the connectors.
3. Remove all cables from the devices.
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CAUTION:
Never remove the cover on a power supply or any part that has this label attached.
Chapter 3
.
Hardware replacement procedures
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