Quick Reference Guide

416 Glossary
LED
Abbreviation for light-emitting diode. An electronic device that lights up when a
current is passed through it.
local bus
On a system with local-bus expansion capability, certain peripheral devices (such
as the video adapter circuitry) can be designed to run much faster than they would
with a traditional expansion bus. Some local-bus designs allow peripherals to run
at the same speed and with the same width data path as the system's
microprocessor.
LPTn
The device names for the first through third parallel printer ports on your system
are LPT1, LPT2, and LPT3.
LRA
Abbreviation for local response agent.
mA
Abbreviation for milliampere(s).
MAC
Acronym for media access control, which is a network sublayer between a network
node and the network physical layer.
MAC address
Acronym for media access control address, which is a unique address embedded
in the physical components of a NIC.
mAh
Abbreviation for milliampere-hour(s).
managed system
A managed system is any system that is monitored and managed using Server
Administrator. Systems running Server Administrator can be managed locally or
remotely through a supported Web browser.
See remote management system.
math coprocessor
See coprocessor.