User guide

Introduction 1–9
Hitachi Unified Storage VM Block Module Hardware User Guide
Figure 1-6: DBL and DBS drive box (rear panel)
Item Name Color Description
1 POWER LED Green OFF - no power is supplied to the system
ON - Power is supplied to the system
READY LED Green ON - normal operation. Storage system is operational.Fast blink -
internal processing. Storage system is operational.Slow blink -
offline download processing completed (maintenance).
LOCATE LED Orange ON - nonfatal error. Storage system can remain operating.
Contact technical support. See Getting Help in the preface of this
manual.
2 ENC IN - Connects the drives to the ENC OUT port in the control chassis,
either directly, or via another drive box with daisy chained cables.
3 ENC IN LED Green ON - Indicates that the port is connected to an OUT port in the
controller. This can be directly or indirectly, as described above.
4 ENC OUT
connector
- Connects the drives to the ENC IN port in the control chassis,
either directly, or via another drive box with daisy chained cables.
5 ENC OUT LED Green ON - Indicates that the port is connected to an IN port in the
controller. This can be directly or indirectly, as described above.
6 Console port - RJ-45 connector, not used
7 Power Supply - Converts 200 VAC to the DC voltages used by the drives and the
ENC adapters.
8 RDY (Ready)
LED
Green OFF - no power is supplied to the system or the power supply has
failed.
ON - The power supply is operating normally.
9 AC IN LED Green ON - AC input is normal.
10 ALM (Alarm)
LED
Red Power supply has failed. Contact technical support. See Getting
help on page 3-xi in the preface of this manual.
11 AC Socket - For IEC60320-C14 plug, 200 - 240 VAC +8% - 6% 50/60 Hz