User guide
1–10 Introduction
Hitachi Unified Storage VM Block Module Hardware User Guide
Figure 1-7: DBF drive box
Item Description Item Description
Ite
m
Description
1 Flash module Active LED
- lights when flash
module is
activated.Blinks at drive
access
2 Flash module Alarm LED
- lights when flash
module has an error and
should be replaced
3 SAS / ENC Module Power
LED
4 SAS / ENC Module Alarm
LED - indicates fatal
error condition
5 SAS / ENC standard IN
connector
6 SAS / ENC high
performance IN connector
7 ENC adapter - connects
the flash modules to the
BEDs in the controller via
ENC cables.
8 SAS / ENC standard OUT
connector
9 SAS / ENC high
performance OUT
connector
10 Power cord receptacle 11 Power Supply - 220 VAC
input, draws
approximately 265 watts
12 Power Supply Ready 1 LED
- lights when 12 VDC power
#1 is ready.
13 Power Supply Ready 2
LED - lights when 12 VDC
power #2 is ready.
14 Power Supply alarm LED
- lights when power
supply has an error.