User's Manual

Configuring and Operating the DLT4000 Basic Tape Drive
DLT4000/DLT4500/DLT4700 Cartridge Tape Subsystem 3-19
3.6.2 Data Protection
When the cartridge write-protect switch is moved to the left, the drive turns on the
write protect LED immediately. But, if the drive is writing to the tape, write protect
does not take effect until the write completes.
Table 3-3 describes what happens to data protection when you move the write-protect
switch before loading the cartridge.
Table 3-3 Before Loading the Cartridge
If you move the write-protect switch …… Then ……
To the left, the tape is write-protected; the
orange indicator on the cartridge shows
You cannot write data to the tape.
To the right, the tape is write-enabled You can write data to the tape (if it
is not software write-protected).
Table 3-4 describes what happens to data protection when you move the write-protect
switch during operation.
Table 3-4 After Loading the Cartridge and Operating
If you move the write-protect switch …… Then ……
From the write-protected position to write-
enabled
The tape becomes write-enabled after
a variable amount of time (seconds).
From write-enabled to write-protected The tape becomes write-protected
after a variable amount of time
(seconds).