Power-on Self-Test
When the system power is ON, the DLT drive performs a
1.The LEDs on the right front panel of the DLT drive will turn on sequentially from top to bottom. All LEDs will remain ON for a few seconds.
2.The LEDs on the left front panel will turn ON at the same time for about three seconds and then turn OFF.
3.The Operate Handle, Write Protected, and Use Cleaning Tape LEDs will turn OFF. The Tape in
Use LED will blink while the tape drive initializes.
If the external SCSI bus terminator has a Term Power LED it should also be illuminated.
Drive Status
LED Indicators
After initialization, the drive will be in one of the four states listed in the following table:
Drive State | LED Indicator Displays and Drive Actions |
|
|
1. No cartridge is present. | A. The Tape in Use LED turns OFF. |
| B. The Operate Handle LED turns ON. |
| C. The handle is unlatched. |
| D. The drive beeps momentarily. |
|
|
2. A cartridge is present and the | The drive loads the cartridge. |
handle is down. | When the Tape in Use LED stops blinking and stays ON, the |
| tape’s actual density lights. For example, if the actual tape density |
| is 2.6, then the LED turns ON next to the 2.6 label. |
| When the Density Override LED blinks, select a density setting. |
| The drive is ready for use. |
|
|
3. A cartridge is present, but the | The Tape in Use LED turns OFF. The Operate Handle LED |
handle is up (not | flashes. |
recommended). | When the handle is lowered, the cartridge loads. |
|
|
4. The drive detects an error | All right or left side LEDs blink repeatedly. |
condition. | Try to unload the tape (if present) and reinitialize the drive by |
| |
| pressing the Unload button or switch the power OFF and then |
| ON. The right or left side LEDs stop blinking and the drive tries |
| to reinitialize. The LEDs turn ON with a constant illumination, |
| and then turn OFF if the test succeeds. |
|
|
18 | Operation and Maintenance |
