Number Item Description
1 LINK LED Green: Link status is normal.
2 ACT LED Orange: Data is being transferred.
3 LAN 2 LAN port used by the user.
4 LAN 1 Maintenance LAN port used by service
personnel.
5 LAN ALARM LED Red: LAN blade can be removed.
6 Uninterruptible power
supply (UPS) port
N/A
Back-end modules
The back-end modules (BEMs), also called disk boards (DKBs), control the transfer of
data between the drives and cache memory. The back-end module LEDs indicate the
operating status of the module.
Back-end modules
Chapter 2: System controller
Hitachi Virtual Storage Platform G700 Hardware Reference Guide 25
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