Number Item Description
1 RDY2 Green: Normal operation
Off: Erroneous operation or out of operation
2 RDY1 Green: Normal operation
Off: Erroneous operation or out of operation
3 AC IN Green: Indicates that AC input is normal.
4 ALM (REPLACE) Red: Indicates when the power supply can be
replaced.
Host port expansion chassis
The host port expansion chassis contains various interconnect adapters that connect a host
system to storage and other network devices. The interconnect adapters include PCIe boards
and iSCSI and FC cards. For more information, contact customer support.
Host port expansion chassis front panel bezel LEDs
Host port expansion chassis
Chapter 2: Hardware overview
Hitachi Virtual Storage Platform E990 Hardware Reference Guide 28