IBM LTO, User Manual

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LVDS library controller card LED
1) Controller LED
Color Description
Flashing green Controller needs boot code.
Yellow In the process of powering up.
Yellow n flashes
Pause
Yellow n flashes
Controller failed power-on test.
n=1; ROM error
n=3; microprocessor error
n=4; controlled RAM error
n=5; non-volatile RAM error
n=6; volatile RAM error
Green Controller passed power-on test.
2) SCSI LED
Color Description
Green No bus connected or low voltage differential SCSI bus
connected.
Flashing green Single-ended SCSI bus attached. SCSI performance
may be reduced. SCSI cable length restrictions apply.
Yellow Incorrect SCSI bus type. Single-ended, low-voltage
terminator attached.
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LTO Autoloader: User’s Guide