Table 22: Routing and Control Board Status LEDs
(Continued)
LED
Color
State
Description
Dark
Unlit
The power supply is switched off.
MST
Green
On steadily
The RCB is the primary.
Dark
Unlit
The RCB is the backup.
SATA SSD LEDs
The Serial Advanced Technology Attachment (SATA) solid-state drive (SSD) LEDs indicate the status of
the secondary drive.
describes the LEDs for the secondary SATA drives.
Table 23: Routing and Control Board SSD Status LEDs
LED
Color
State
Description
DISK1 and DISK2
Green
On steadily
A SATA drive is present.
Green
Blinking
The drive is active.
Yellow
On steadily
The drive is active.
Dark
Unlit
The drive is not installed.
Clock LEDs
The clock LEDs indicate whether clocking is active.
describes the clock LEDs.
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