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Indicator Activity During Power-on Selftest
Powering up the system power, the drive performs the power-on selftest (POST). The sequence of
events are:
STAGE
WHAT HAPPENS
1.
The indicators on the right side turn on sequentially, from top to bottom. All indicators stay on for
a few seconds.
2.
The indicators on the left side turn on simultaneously for approximately three seconds, and then
turn off.
3.
The green Operate Handle indicator, the yellow Use Cleaning Tape indicator, and the orange Write
Protected indicator turn off.
The yellow Tape in Use indicator blinks while the tape drive initializes.
4.
After initialization, the drive is in one of the following four states:
DRIVE STATE
1. No cartridge is loaded 1. The yellow Tape In Use indicator is off
2. A cartridge is
loaded and the
handle is down
3. A cartridge is
loaded, but the
handle is up (not
recommended)
4. The drive detects
an error condition
Result: POST completes in about 15 seconds and the drive responds normally to all commands.
However, it might take longer for the media to become ready. After a bus reset, the tape drive re-
sponds within a bus selection time-out period.
INDICATOR DISPLAYS AND ACTIONS
2. The green Operate Handle indicator is on
3. The handle is unlatched
4. The drive beeps
You can now raise the handle and insert a cartridge.
The drive loads the cartridge. When the yellow Tape In Use indicator stops flashing and
stays on, the indicator turns on next to the label of the tape's native density. For
example, if the actual tape density is 2.6 GB, then the indicator turns on next to the 2.6
label. You can now select a density. The drive is ready for use.
The yellow Tape In Use indicator flashes and turns off. The green Operate Handle
indicator flashes. The handle should then be lowered and the cartridge loads.
All four right-side or left-side indicators blink repeatedly. You may try to unload the
tape and reinitialize the drive by pressing the unload button. The indicators stop
blinking and the drive tries to reinitialize.
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