Operator's Guide

Glossary
ACL 4/52 Operator’s Guide49
O
offline Not ready for communications with a host. This
mode is required for configuration, diagnostic, and
maintenance operations.
online Ready for communications with a host.
P
PC Personal computer
pick The act of removing a cartridge from one location in
preparation for placing it in another location.
place The act of placing a cartridge in a location after it
has been picked from another location.
PROM Programmable read-only memory
R
RAM Random access memory
rear panel The rear cosmetic panel of the library that
contains the AC power switch, AC power receptacle and
connectors for attaching external cabling to the library.
S
SCSI Small computer system interface. A
communications standard for attaching peripheral
equipment to computers.
SDA Status Display Area. This is a 16-character (5x7 dot-
matrix Liquid Crystal Display {LCD}) /2-line display. It
shows status messages that describe the operating state of
the library. It is also used for displaying menu options
while the library is in the Menu Mode.
T
tape drive The mechanism that reads and writes data
from and to a tape cartridge.
U
UL Underwriters Laboratories
V
vertical belt The drive belt connecting the vertical motor
to the vertical axis assembly.