Dbw Drive Box; I/O Module (Enc) For Dbw Drive Box - Hitachi CBXSS Hardware Service Manual

DBW Drive Box

This section describe the following components on the DBW Drive Box:
• I/O Module ENC — see
• Power Unit —
• Drive Box drawer —
• Fan Module —

I/O Module (ENC) for DBW Drive Box

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The DBW I/O Module has a Drive Box with the connectors shown and
described in
Legend
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I/O Module (ENC) for DBW Drive
Power Unit for DBW Drive Box on page 2-58
DBW Drive Box drawer on page 2-59
DBW Fan Module on page 2-60
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Figure 2-38: DBW I/O Module (ENC) LEDs
LED Color
External Port Green
Activity
ALM Orange
RDY Green
Figure 2-39.
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Figure 2-39: DBW Drive I/O Module connectors
Connector
SAS Port A (IN)
SAS Port B (OUT)
SAS Port C
Hardware description
Hitachi Unified Storage Hardware Service Guide
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Description
ON = port is linked up.
Blinking = data is being transferred.
ON = failure with I/O Module (ENC), rendering
the module unusable. Visit the HDS Support
Portal at portal.hds.com.
Blinking = after an I/O Module (ENC) failure, logs
are collected from the failed I/O Module (ENC).
During the collection, this LED blinks. When log
collection completes, this LED goes ON.
ON = I/O Module is operating normally.
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Description
Connects to CBSS, CBSL, CBL, DBS, DBL,
DBF, DBX, or DBW.
Connects to DBS, DBL, DBF, DBX, or DBW.
Not used.
Box, below
2–57