Number Item Description
4 BACKUP STS Green On : Indicates that power outage has occurred or power
restoration is in progress after power outage.
■
Fast blinking (On and off are repeated at 0.1-second intervals.):
The data is being restored.
■
Slow blinking (On and off are repeated at 0.5-second intervals.):
A planned power off is being executed or the data is being
stored.
5 ALARM Red On: Cache Flash Memories are removable.
Number Item Description
1 ACT/LINK LED Amber: Link status/data transfer status.
2 SPEED LED On: Link speed = 1 Gbps.
Off: Link speed = 10 Mbps/100 Mbps.
3 LAN ALARM LED Red: The removal of the LAN Board is possible.
Controller board
Chapter 2: Hardware overview
Hitachi Virtual Storage Platform E990 Hardware Reference Guide 17
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