Appendix F Status Checks with LEDs
F.1. LED Type
221
Blinking periodically
with 1 Hz
When using SAS RAID card.
F.1.9 MMB
The MMB comes equipped with the Active LED, Ready LED and Location LED. The Active LED indicates the
active MMB, and the Ready LED indicates the MMB firmware status. Location LED is used to specify the
MMB.
After the MMB firmware starts, the active MMB turns on the Active LED. The Ready LED blinks while MMB
firmware startup is in progress. The Ready LED stays on when the startup is completed.
TABLE F.14 MMB LED
Indicates the MMB status.
Indicates whether there is an error in the MMB.
Indicates whether the MMB is the active or standby MMB.
TABLE F.15 MMB (device) status and LED display
MMB startup is in progress.
The MMB has started normally
(Ready status).
An error occurred in the MMB.
The MMB is the standby MMB.
The MMB is the active MMB.
The MMB is being located.
F.1.10 LAN
The LAN port comes equipped with the following LEDs. LAN ports in an IOU and LAN ports in a MMB have
same LEDs.
TABLE F.16 LAN LEDs
Indicates the Link status and Activity status of
a 100M LAN.
Indicates the communication speed of a 100M
LAN.
Indicates the Link status and Activity status of
a GbE LAN.
Mounted only on the MMB
and IOU
Indicates the communication speed of a GbE
LAN.
Mounted only on the MMB
and IOU
Indicates the Link status and Activity status of
a 10GbE LAN.
Mounted only on the MMB
and IOU
Indicates the communication speed of a
10GbE LAN.
Mounted only on the MMB
and IOU
(*1) It is not enough to confirm the ‘Link’ state by only checking that Link LED is turning on. You can confirm
that the LAN port is Link ‘state’ by not only checking that Link LED is turning on but also checking that
the particular LAN port is ‘Enabled’ by MMB Web-UI.
TABLE F.17 LAN LED and Linkup Speed
