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Hardware Implementation
2-24 Quantum DLT 7000 Tape Drive
Table 2–10 POST/Media Ready Activity
Stage Activity
1 The LEDs along the right-hand side of the front panel light in sequence from
top to bottom. All LEDs remain lit for a few seconds.
2 The LEDs along the left-hand side of the front panel light together for about
three seconds then turns off. POST is complete after this stage.
3 The green Operate Handle, orange Write Protected, and amber Use Cleaning
Tape LEDs turn off. The amber Tape in Use LED blinks while the tape drive
initializes.
4 Following initialization, the tape drive is in one of the states described in Table
2-11. Upon completion, the POST is successful. If the POST is not successful,
refer to Section 2.6 Troubleshooting.
Table 2–11 Tape Drive States Following Initialization
State LED Display and Activity
A tape cartridge is present and
the handle is down.
The tape drive loads the medium from the cartridge. The
Tape In Use LED stops blinking and remains on. The LED next
to the tape’s actual density is on. When the Density Override
LED blinks, a density may be selected. The tape drive is ready
for use and the media is positioned at BOT.
No tape cartridge present. The Tape in Use LED = Off. The Operate Handle LED = On.
Insert/Release Handle is unlatched. Tape drive beeper sounds
tone to signal that the handle may be raised and a tape
cartridge inserted.
A tape cartridge is present, but
the handle is up (not
recommended).
The Tape In Use LED = Off. The Operate Handle LED flashes.
When the Insert/Release Handle is lowered, the cartridge
loads. If handle will not lower, ensure the tape cartridge is
pushed all the way into the tape drive.
The tape drive detects an error
condition.
Right- or left-hand LEDs blink repeatedly. Try to unload the
tape and reinitialize the tape drive by pressing the Unload
button or turn the drive power off then back on. The LEDs
stop blinking and the drive attempts to reinitialize. Note that
after pressing the Unload button you may have to wait five
minutes before the Operate Handle LED lights due to the
retry. The LEDs light steadily, then turn off if the test
succeeds.
The drive is powered on with
the handle in open position.
Operate Handle LED is blinking. Close the Insert/Release
Handle and wait for LED to light steadily.