User's Guide

Glossary
Quantum|ATL PowerStor L500 Series Tape Library User’s Guide 101
data rates and greater immunity to electrical interference. RS-422
supports multipoint connections.
S Scalability
The capability provided by the DLT tape drive family
to read tapes from previous generations of drives. Allows users to
upgrade to a faster, higher capacity DLT drive, yet still be able to
read tape recorded on an older system. Often referred to as
backward compatibility.
SCSI
Small Computer System Interface, a communications
standard for attaching peripheral equipment to computers.
Self-cleaning head
All DLT tape drive have self-cleaning heads
that continuously wipe the tape clean as it passes over the head.
T Tape drive
The mechanism that reads and writes data from and to
a tape cartridge.
UUL
Underwriters Laboratories.