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Service Guide
Expansion Unit System Unit Locations
Description of the Disk Expansion Unit
The disk expansion unit is used to increase the number of media devices and/or disk drives.
All hardware components inside the disk expansion unit are accessible from the left side
after having removed the unit covers.
Power Supply
Rear Fan
Disk Drives
ECB Card
Operator Panel
Key Mode Switch
Media Devices
or Disk Drives
From the left side of the disk expansion unit, the following modules are accessible:
•
Up to two 5.25-inch half height media devices (optional). Up to two 3.5-inch half height
disk drive can be installed instead.
•
The operator panel (mandatory)
•
The key mode switch (mandatory)
•
The ECB card (mandatory)
•
Up to two disk drives (optional) in the bottom tray
•
Up to two disk drives (optional) in the upper tray
•
One external cooling fan (mandatory)
•
The power supply (mandatory).
Summary of Contents for 7012 G Series
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Page 6: ...vi Service Guide...
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Page 98: ...3 1520 8 Service Guide...
Page 183: ...7 2 Service Guide Covers and Chassis 4 8 9 2 3 1 18 7 14 15 12 13 10 11 16 17 5 6...
