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Steelhead Appliance Installation and Configuration Guide
Overview of the Steelhead Appliance
Series xx20 Rev-A and Rev-B Status Lights and Ports
Figure 1-19. Back Panel
The following table summarizes the power supply LEDs for the Model 3020, 3520, 5520, 6020, and 6120.
LED Button
Color
Condition
Description
Power
Green
ON
System On
OFF
System Off
Hard Disk Drive
Amber
FLASHING
Hard Disk Drive Activity
OFF
No Activity
Network
Green
ON
Linked
FLASHING
LAN Activity
OFF
Disconnected
Overheat
Red
ON
System Overheat
OFF
System Normal
Error
Red
ON
One or more power module failures
OFF
System Normal
LED Button
Color
Condition
Description
Power
Green
ON
Power supply running.
Amber
ON
Over voltage and current detected. Power
supply is shut down and only standby
power is enabled.