
Fiducials
Figure 5. Library Locating Fiducials |
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Figure 5 shows a B1A or E1A with a single fiducial | . The fiducial is used |
by cartridge-handling devices to locate and remember where the tape subsystem device is installed. Do not cover or change the fiducial.
Drive Power
The power switch is located on the back of each device. This toggle switch controls the distribution of ac power to the associated device. Certain subsystem configurations have additional controls for distribution of ac power to the device.
It is recommended that all SCSI ports be taken offline before powering off the drive. See “Services Menu” on page 33.
Indicators and Icons
This section describes the indicators on the 3590.
Chapter 3. Drive Operator Panel and Controls 13