User Guide
1. Overview
1.11 LEDs
1.11
LEDs
1.11.1
Front and Rear IO LEDs
The Ultrastar Data102 has a number of LEDs on the exterior of the enclosure that display various system
statuses. The three LEDs on the front mirror three on the rear, allowing the general status of the enclosure
to be determined from either side of the rack.
Figure 6:
Front LEDs Location
Table 8:
Front LEDs Identification
Number
LED Name
Color
Behavior
1
Identify
Blue
Blink
@ 1 Hz (50% duty cycle) – Blinks only when Identification
has been activated. Will blink when
any
component is
identified.
2
Fault
Amber
Blink
@ 1 Hz (50% duty cycle) – Enclosure has a fault
Off
– Enclosure has no fault
3
Power
Green
Solid
– Powered On
In addition to the three enclosure status LEDs, the rear provides LEDs for the Ethernet and SAS ports.
10