Sun Microsystems 2000E installation manual Symbols, Problem Precaution

1

To protect both yourself and the equipment, observe the following precautions:

Table 1-1Safety 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	Look for any broken or twisted springfingers and replace any damaged
	springfingers	screen or board with a new assembly.
Wrist strap or	ESD	Wear a conductive wrist strap or foot strap when handling printed circuit
Foot strap		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	Attach all cabinet cover panels after performing service work on the system.
	and overheating
Filler panels	System damage	Install card cage filler panels in all unused card cage slots. Open slots
	and overheating	severely reduce the cooling capability of the system.
SBus slot covers	System damage	Install SBus slot covers in all unused system board SBus slots. Openings on
	and overheating	the backs of system boards reduce the cooling capability of the system.

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.

1-2 SPARCserver 2000E Power Supply Installation Manual—April 1995