Western Digital Ultrastar Data102 - Page 19

User Guide
1. Overview
1.7 LEDs
Number LED Name Color Behavior
Off – Enclosure has no fault
Note: LEDs have a 50% duty cycle (On
for 2 seconds, off for less than a second).
3 Power Green Solid - Powered On
Figure 7: Rear IO LEDs
Table 8: Rear LED Identification
Number LED Name Color Behavior
1 SAS Link Status Green
Solid – SAS Cable Connected
Off – SAS Cable Not Connected
2
SAS Fault
Status
Amber
Blink @ 1 Hz (50% duty cycle) – SAS connection fault
Off – No SAS connection fault
Note: LEDs have a 50% duty cycle (On
for 2 seconds, off for less than a second).
3 Identification Blue
Blink @ 1 Hz (50% duty cycle) – Blinks only
when Identification has been activated. Will
blink when any component is identified.
4 Fault Amber
Blink @ 1 Hz (50% duty cycle) – Enclosure has a fault
Off – Enclosure has no fault
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