Green LED Amber LED Description
Flicker On Link at low speed with activity
Flash Flash (opposite green LED) Location requested
External SAS LED status
Table 8: External SAS LED statuses
Green LED Amber LED Description
Off Off
Fault or no power
On Off Link at high speed, no activity
Flicker Off Link at high speed with activity
Off On No link or no cable connected
On On Link at low speed, no activity
Flicker On Link at low speed, with activity
Flash Flash (opposite of the green LED) Location requested
Data port (SAS connected JBODs) LED status
Table 9: Data port SAS LED statuses
Green LED Amber LED Description
Off Off
Fault or no power
On Off Link at high speed, no activity
Flicker Off Link at high speed with activity
Off On No link or no cable connected
On On Link at low speed, no activity
Drive enclosure I/O module status LEDs
The following LEDs and indicators are used to verify drive enclosure I/O module operation.
External SAS LED status 19
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