IBM xSeries 380, Руководство по техническому обслуживанию аппаратной части

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136
Hardware Maintenance Manual: xSer ies 380
Statement 14
CAUTION:
Hazardous voltage, current, and energy levels might be present. Only a qualified
service technician is authorized to remove the covers where the following label is
attached.
Statement 15
CAUTION:
Make sure that the rack is secured properly to avoid tipping when the server unit is
extended.
Statement 16
CAUTION:
Some accessory or option board outputs exceed Class 2 or limited power source
limits and must be installed with appropriate interconnecting cabling in
accordance with the national electric code.
Before you begin
Before you begin to install options in your server, read the following information:
• Become familiar with the safety and handling guidelines provided in Related
service information on page 177. These guidelines will help you work safely while
working with your server or options.
• Make sure you have an adequate number of properly grounded electrical outlets
for your server, monitor, and any other options that you intent to install.
• You do not need to turn off the server to install or replace hot-swap power
supplies, hot-swap drives, or hot-swap fans.
• Ensure that you have an adequate number of properly grounded electrical outlets
for your server, monitor, and any other options that you intend to install.
• Back up all-important data before you make changes to disk drives.