Sun Microsystems Netra T4 AC100, Service And System Reference Manual

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1-10 Netra T4 AC100/DC100 Service and System Reference Manual • August 2001
1.4.3 PSU LEDs
The PSU status LEDs are located at the left hand end of the PSU (see
FIGURE 1-4
).
1.4.3.1 Netra T4 AC100 System
FIGURE 1-4
PSU Status LEDs (Netra T4 AC100 System)
TABLE 1-3
PSU Status LED Functions
LED Icon Color Function
AC Input OK Green Illuminated when AC is present and above
85 VAC
PSOK Green Illuminated when output voltages are within
operating range
Flashes when PSU is in Standby mode
Fail Amber Illuminated when PSU is in a Fault condition
Off when PSU is enabled (OK)
Flashes if unit is within 10˚C of thermal
shutdown or has shutdown