User's Guide
Using Data Cartridges for the LTO-3A
Quantum A-Series Tape Drives User’s Guide 63
Write Protecting a Tape 
Cartridge 2
Ultrium tape cartridges have a sliding write-protect switch at the right-
rear corner as shown in figure 20
. 
Figure 20 Ultrium Tape 
Cartridge Write-Protect Switch
Sliding the write-protect 
switch toward the . . . Enables data to be . . . 
center of the cartridge 
(the Locked position), 
read from the cartridge, but not written to 
it. (This is the write-protected position.)
corner of the cartridge 
(the Unlocked position), 
both read from and written to the 
cartridge. (This is the write-enabled 
position.)
Write protect switch (unlocked)
Unlocked
Locked
Front










