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1-2 SPARCserver 2000E PowerSupply Installation Manual—April 1995
1
To protect both yourself and the equipment, observe the following precautions:
1.2 Symbols
The following symbols mean:
WARNING Risk of electrical shock.To reduce
the risk, follow the instructions.
WARNING Risk of personal injury. To reduce the
risk, follow the instructions.
Table 1-1 Safety Precautions
Item Problem Precaution
Springfingers Personal injury The springfingers have sharp edges. Use care when handling springfinger-
equipped cabinet screens and system boards.
RFI leakage Keep springfinger-equipped screens and panels in place when the system is
running. These assemblies suppress radio frequency interference (RFI) and
are required by law in many localities.
Damaged
springfingers
Look for any broken or twisted springfingers and replace any damaged
screen or board with a new assembly.
Wrist strap or
Foot strap
ESD Wear a conductive wrist strap or foot strap when handling printed circuit
boards.
ESD mat ESD An approved ESD mat provides protection from static damage when used
with a wrist strap or foot strap. The mat also cushions and protects small
parts that are attached to printed circuit boards.
Cover panels System damage
and overheating
Attach all cabinet cover panels after performing service work on the system.
Filler panels System damage
and overheating
Install card cage filler panels in all unused card cage slots. Open slots
severely reduce the cooling capability of the system.
SBus slot covers System damage
and overheating
Install SBus slot covers in all unused system board SBus slots. Openings on
the backs of system boards reduce the cooling capability of the system.
!