Safety Precautions - Silicon Graphics 1450 User Manual

C.
007-4274-001
Appendix C

Safety Precautions

The power supply in this product contains no user-serviceable parts. There may be more
than one supply in this product. Refer servicing only to qualified personnel.
Do not attempt to modify or use the supplied AC power cord if it is not the exact type
required.
The DC push button on/off switch on the system does not turn off system AC power. To
remove AC power from the system, you must unplug each AC power cord from the wall
outlet or power supply.
SAFETY STEPS: Whenever you remove the top and front covers in a non hot-swap or
non hot-plug operation, follow these steps:
1. Turn off all peripheral devices connected to the system.
2. Turn off the system by using the push button on/off power switch on the system.
3. Unplug the AC power cord from the system or from wall outlets.
4. Label and disconnect all cables connected to I/O connectors or ports on the back of
the system.
5. Provide some electrostatic discharge (ESD) protection by wearing an antistatic wrist
strap attached to chassis ground of the system-any unpainted metal surface-when
handling components.
6. Do not operate the system with the covers removed.
After you have completed the preceding six safety steps, any user can remove the top
cover. However, only qualified service personnel can remove the front cover.
For proper cooling and airflow, always reinstall the chassis covers before turning on the
system. Operating the system without the covers in place can damage system parts. To
install the covers:
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