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Appendix B Components B-23
FIGURE B-15 Front of DAT160-compliant Tape Drive Unit (TAPEU)
The TAPEU has the following characteristics.
■ Active replacement or hot replacement of the TAPEU is possible.
■ Active installation of the TAPEU during system operation is possible.
■ The TAPEU complies with DAT72 (SATA interface) or DAT160 (SAS interface).
■ The DAT160-compliant TAPEU has read/write compatibility with DAT72 and DDS4.
■ By changing the switch setting on the TAPEU, it can be used by each domain.
■ The TAPEU has a label bearing the printed component number and manufacture's serial
number.
TABLE B-3 Status Display of LEDs for DAT160-compliant Tape Drive Unit (TAPEU)
Status of DAT160-compliant TAPEU Status display of LEDs
Clean LED Tape LED Drive LED Ready LED
Power-off status Off Off Off Off
Drive is available Off Off Off Lit
Reading, writing, and seeking
operations
Off Off Off Blinking
Cleaning request Blinking Off Off Off
During cleaning Lit Off Off Blinking
Self test failed Off Blinking Blinking Off
Tape failure Off Blinking Off Off
Drive error Off Off Blinking Off
Firmware failure Off Off Lit Lit
(Status display of LEDs repeats
alternately)
Lit Lit Off Off
Drive LEDTape LEDClean LED
Ready LED