Users Guide

subsystem
A secondary or subordinate system, capable of operating independently of, or asynchronously
with, a controlling system.
SUPP Support.
sync Synchronous, synchronize. Occurring with a regular or predictable time relationship.
System-managed encryption
Tape encryption is set up implicitly through the device driver.
T
tachometer, tach
A device that emits pulses that are used to measure/check speed or distance.
tape cartridge
A container that holds magnetic tape, that can be processed without separating it from the
container.
tape void
An area in the tape in which no signal can be detected.
TCP/IP
Transmission Control Protocol/Internet Protocol.
TCU Tape control unit.
TH Thermal.
thread/load operation
A procedure that places tape along the tape path.
TM Tapemark.
transport mode
End-to-end communications security in which the end-point computers do the security
processing.
trusted certification
In cryptography, a trustworthy certificate that is not registered with a certificate authority.
tunnel mode
Port-to-port communications security in which security is provided to several machines by a
single node.
U
UART Universal asynchronous receiver/transmitter.
UL Underwriter's Laboratories.
unload
Prepare the tape cartridge for removal from the drive.
utilities
Utility programs.
utility programs
A computer program in general support of the processes of a computer; for instance, a diagnostic
program.
uv Under voltage.
258 Dell PowerVault TL2000 Tape Library and TL4000 Tape Library: User's Guide