Psu Led - Western Digital Ultrastar Data60 User Manual

User Guide
1.7.3 IOM Fan LED
The IOM Fan has a single LED that has three distinct states, one each for a fault condition, identification,
and power off.
Figure 9: IOM Fan LED
Table 10: IOM Fan LED Identification
LED Name
1.7.4 PSU LED
The PSU has a single multi-function LED. See the table below for a detailed functional description.
Color
IOM Fan LED Amber
Blink @ 2 Hz (50% duty cycle) – IOM Fan is being identified
Blink @ 1 Hz (50% duty cycle) – IOM Fan is reporting faults
Off – IOM Fan is on and reporting no faults
Note: LEDs have a 50% duty cycle (On
for 2 seconds, off for less than a second).
Behavior
1. Overview
1.7 LEDs
10