Sun Microsystems 6.0005E+11 manual Symbols, Problem Precaution

2

Table 2-1 Safety Precautions (Continued)

Item	Problem	Precaution
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	Re-install all cabinet cover panels after performing any service work on
	and overheating	the system.
Card cage slot filler	System damage	Make sure all empty board slots have a filler panel installed.
panels and load boards	and overheating	NOTE: You must use load boards instead of filler panels in the 16-slot
		Enterprise 6000 system card cage.

2.2 Symbols

The following symbols mean:
	WARNING	Hazardous voltages are present. To
		reduce the risk of electrical shock and
		danger to personal health, follow the
		instructions.
!	WARNING	Risk of personal injury. To reduce the
		risk, follow the instructions.
	CAUTION	Risk of equipment damage. To reduce
!
		the risk, follow the instructions.
	SURFACE	CAUTION: Hot surfaces. Avoid
		contact. Surfaces are hot and may
		cause personal injury if touched.
	AC	A terminal to which alternating
		current or voltage may be applied.
	ON	The principal and stand-by switches
		are in the ON position; the system is
		powered on.

2-2 Ultra Enterprise 6000/5000/4000 Systems Manual—November 1996