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Appendix F Status Checks with LEDs
F.1. LED Type
220
C122-E175-01EN
TABLE F.8 IOU LED
LED type
Color
Function
Power
Green
Indicates power state in an IOU.
Alarm
Orange
Indicates whether there is error or not in an IOU.
Location
Blue
Specifies an IOU.
- Can be arbitrarily set to blink or turned off by the user.
- Indicates the component undergoing maintenance when
Maintenance Wizard is running.
TABLE F.9 IOU status and IOU LED display
Status
Power
Alarm
Location
AC off and partition power Off
Off
Off
Off
Partition including IOU Power On
On (green)
Error of IOU
On (orange)
Identifying IOU
(Turn on by Maintenance Wizard)
On (blue)
F.1.6 PCI Express slot of IOU
There is no LED in PCI Express slots of IOU.
To mount and unmounts PCI Express card in an IOU physically, take off the IOU from a cabinet.
F.1.7 DU
DU comes equipped with the following LED. Only Power LED is used. Attention LED is not used.
TABLE F.10 IOU LED
LED type
Color
Function
Power Left
Green
Indicates power state in a DU.
Alarm Right
Green
Indicates power state in a DU.
Attention Left
Orange
Not used.
Attention Right
Orange
Not used.
TABLE F.11 IOU status and IOU LED display
Status
Power Left
Power Right
Attention Left
Attention Right
Partition including PCI Express slot #0 off
On (green)
Off
Off
Partition including PCI Express slot #1 off
On (green)
Off
Off
F.1.8 HDD/SSD
The HDD or SSD comes equipped with the following LEDs.
HDD or SSD in a SB and HDD or SSD in a DU have same LEDs.
TABLE F.12 HDD/SSD LED
LED type
Color
Function
Note
HDD/SSD Access
Green
Indicates the HDD or SSD access status.
Mounted in only HDD or
SSD.
HDD/SSD Alarm
Orange
Indicates whether there is an error in the HDD
or SSD and the hot operation status.
Mounted in only HDD or
SSD.
TABLE F.13 HDD/SSD status and LED display
HDD/SSD status
HDD/SSD Access
HDD/SSD Alarm
Note
Accessing to HDD or SSD
Blinking
Off
Error of HDD or SSD
Off
On
When RAID configuration
breaks.
When Agent is offline.
Indicating location of HDD
or SSD
Off
Blinking periodically
with 3 Hz
When using SAS RAID card.