User`s guide

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Appendix B
B. SGI 1400 Server Rackmount Installation
Safety Guidelines
Before you remove a server cover, observe these safety guidelines:
• Only technically qualified personnel should mount the server in a rack.
• Turn off all peripheral devices connected to the server.
• Turn off the server using thepush-button on/offpower switch on the front panelof
the server, and unplug the AC power cord from each power supply or wall outlet.
• Label and disconnect all peripheral cables attached to the I/O panel on the back of
the server.
Server Precautions
Warning:
SERVER POWER ON/OFF: The push-buttonon/offpower switchon the front
panel of the server does not turn off the AC power. To remove AC power from the
server, you must unplug each AC power cord from each power supply or wall outlet.
HAZARDOUS CONDITIONS—POWER SUPPLY AND POWER SHARE BACKPLANE: Hazardous
voltage, current, and energylevels arepresent insidethe power supply and thepower
sharebackplaneenclosures. Thereare nouser-serviceablepartsinside them;servicing
should only be done by technically qualified personnel.
HAZARDOUS CONDITIONS—DEVICES AND CABLES: Hazardous electrical conditionsmay
be present on power, telephone, and communication cables. Turn off the server and
disconnect telecommunications systems, networks, modems, and each power cord
attached to the server before opening it. Otherwise, personal injury or equipment
damage can result.