HP StoreEver LTO Ultrium Tape Blades - Manual (Page 42)

At power on On
The drive is idle and there is no encryption key. Off
The tape drive is reading/writing unencrypted data from another host
or unloading a cartridge.
Off with Ready flashing green
The drive is idle but the encryption key is loaded. The drive is ready to
read/write encrypted data.
On (solid blue)
The drive is reading/writing encrypted data.
On (solid blue) with Ready flashing
green
There is an encryption related error. This is cleared after unload executes
or successful encryption/decryption resumes. See also “
Encryption
troubleshooting ” on page 63.
Alternate flashing, blue and amber
NOTE:
The Encryption LED only functions if you are using backup software that supports hardware encryption
and this feature is enabled in the backup application. See
http://www.hp.com/go/connect for backup
application compatibility.
Understanding LEDs 42