2–16 Hardware description
Hitachi Unified Storage Hardware Service Guide
Rear panel
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Figure 2-19: DBS rear panel
Legend:
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POWER, LOCATE, ALARM LEDs
See I/O Module (ENC), DBS, DBSD, DBL, and DBLD Drive Boxes on page 2-
42.
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IN Port
Connects to a CBSS, CBSL, CBL, or CBLD Controller Box or a DBS, DBL,
DBX, or DBF Drive Box.
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IN Port LED
ON when IN port is connected to a CBSS, CBSL, CBL, CBLD, DBS, DBSD,
DBL, DBLD, DBX, or DBF.
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Out Port LED
See I/O Module (ENC), DBS, DBSD, DBL, and DBLD Drive Boxes on page 2-
42.
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OUT Port
See I/O Module (ENC), DBS, DBSD, DBL, and DBLD Drive Boxes on page 2-
42.
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Console Port
Not used.
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Power Unit
See Power Unit for CBXSS, CBXSL, CBSS, and CBSL Controller Boxes on
page 2-45 and Power Unit for DBSD/DBLD Drive Box on page 2-46.
NOTE: The DBSD rear panel is identical to the figure above, except the AC
receptacles are replaced by receptacles for accommodating DC power.
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