Users Guide

266 Glossary
ROM
Acronym for read-only memory, which is memory from
which data may be read, but to which data cannot be
written.
RPM
Abbreviation for Red Hat Package Manager, which is a
package-management system for the Red Hat
Enterprise Linux operating system that helps
installation of software packages. It is similar to an
installation program.
SAC
Acronym for Microsoft’s Special Administration
Console.
SAP
Abbreviation for Service Access Point.
SEL
Acronym for system event log.
SMI
Abbreviation for systems management interrupt.
SMTP
Abbreviation for Simple Mail Transfer Protocol, which
is a protocol used to transfer electronic mail between
systems, usually over an Ethernet.
SMWG
Abbreviation for Systems Management Working
Group.
SNMP
Abbreviation for Simple Network Management
Protocol, which is a protocol designed to manage nodes
on an IP network. DRAC 5s are SNMP-managed
devices (nodes).
SNMP trap
A notification (event) generated by the DRAC 5 or the
BMC that contains information about state changes
on the managed system or about potential hardware
problems.
SSH
Abbreviation for Secure Shell.
SSL
Abbreviation for secure sockets layer.
TAP
Abbreviation for Telelocator Alphanumeric Protocol,
which is a protocol used for submitting requests to a
pager service.
TCP/IP
Abbreviation for Transmission Control
Protocol/Internet Protocol, which represents the set of
standard Ethernet protocols that includes the network
layer and transport layer protocols.
TFTP
Abbreviation for Trivial File Transfer Protocol, which
is a simple file transfer protocol used for downloading
boot code to diskless devices or systems.
UPS
Abbreviation for uninterruptible power supply.
USB
Abbreviation for Universal Serial Bus.
UTC
Abbreviation for Universal Coordinated Time. See
GMT.
VLAN
Abbreviation for Virtual Local Area Network.