The functions of these ports are described in the below table:
Table 4. EMM port description
Item Name Description
1 Mini-SAS HD port Four Mini-SAS HD connectors that are used for SAS communication and
expansion
2 USB Type-C debug port One serial console port for maintenance use
Drive carrier module LEDs
The two LEDs mounted on the front of each drive carrier module provide the drive status.
The drive module LEDs are identified in the figure, and the LED behavior is described in the table following the figure.
Figure 6. Drive carrier LEDs
1. Drive activity LED
2. Drive status LED
Table 5. Drive carrier LEDs
Item Indicator Description Color Status
1 Drive activity Green
● Blinking green (500 msec on 500
msec off): Drive is spinning up or
spinning down.
● Blinking green (100 msec on, 100
msec off): Drive activity
● Blinking green (50 msec on, 50
msec off): active/idle/standby power
condition
2 Drive status Amber
● Blinking (150 msec on, 150 msec off):
Drive failure
● Blinking (two sec on, one sec off):
Identifying drive
● Blinking (400 msec on, 100 msec off):
Drive rebuilding
● Off: Drive online/drive not present/
drive offline
System overview 9
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