2–6 Hardware description
Hitachi Unified Storage Hardware Service Guide
Rear panel
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Figure 2-4: CBXSS Controller Box rear panel
Legend:
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Two Controllers
Controller 0 (left) and Controller 1 (right)
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Host Interface Option
See Host I/O Boards for CBXSS and CBXSL Controller Boxes on page 2-38.
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Fibre Channel Ports
See Fibre Channel ports on page 2-35.
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PATH 0 Expansion Port
Connects to a DBS or DBL Drive Box. Do not connect to a DBX Drive Box.
LED above port shows when a link is made:
• BLUE ON = Drive Box is connected and link status is normal.
• ORANGE ON = a Hitachi Storage Navigator Modular 2 wizard indicates
that a SAS (ENC) cable must to be inserted into the port.
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LAN 0 Maintenance Port
• Left LED: Link Status (green)
• Right LED: Port Activity (yellow)
See Maintenance port on page 2-37.
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LAN 1 Management Port
• Left LED: Link Status (green)
• Right LED: Port Activity (yellow)
See Management port on page 2-37.
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Power Unit
See Power Unit for CBXSS, CBXSL, CBSS, and CBSL Controller Boxes on
page 2-45.
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Main Switch
Powers the storage system ON and OFF. When power is OFF, turn on power
by holding this switch longer than 1 second. When power is ON, turn off
power by holding this switch longer than 3 seconds.
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Reset Switch and Controller LEDs
Use the Reset switch only when instructed by Hitachi Support. For LEDs,
see CBXSS/CBXSL controller LEDs on page 2-34.
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Uninterruptible Power Supply Port
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