User's Guide
Using Data Cartridges for the LTO-3A
Quantum A-Series Tape Drives User’s Guide 62
Using Data Cartridges for the LTO-3A
Loading a Tape 
Cartridge 2
To load an Ultrium tape cartridge into the A-Series LTO-3A tape drive, 
gently insert the cartridge into the slot:
• Push the cartridge further into the drive until the drive senses the 
cartridge and automatically completes the load operation.
Please refer to Loading a Data Cartridge
.
Unloading a Tape 
Cartridge 2
To unload an Ultrium tape cartridge from the A-Series LTO-3A tape 
drive, either:
• Use a library or host command to unload the tape.
• Press the load/unload button on the front panel of the drive.
Please refer to Unloading a Data Cartridge
.
If you move the 
write-protect 
switch from its 
left (enabled) 
position to its 
right (disabled) 
position
Not Visible The data cartridge becomes 
write-enabled after a variable 
amount of seconds.
Caution: After you press the load/unload button, several 
minutes can elapse before the drive ejects the 
cartridge. Do not power down the tape drive or the 
host computer until the drive has completely ejected 
the cartridge.
Write-protect 
Switch Position
Orange 
Write-protect 
Indicator Result










