DC
Domain Controller

A.N.S.I
American National Standards Institute

BER
bit error rate

DSL
digital subscriber line

DSP
digital signal processing

ELFEXT
equal level far-end crosstalk

FEXT
far-end crosstalk

GMII
Gigabit Media Independent Interface

IEEE
Institute of Electrical and Electronics Engineers

IP
Internet Protocol

ISO
International Organization for Standardization

LAN
local area network

MAC
Media Access Control

MLT
Multilevel Transmit Signal

MM
multimode

NEXT
near-end crosstalk

NIC
network interface card

OSI
Open System Interconnection

PAM
Pulse Amplitude Modulation

PCS
physical coding sublayer

PMA
physical medium attachment

PMD
physical medium dependent

SM
single-mode

SNR
signal-to-noise ratio

STP
shielded twisted pair

UTP
unshielded twisted pair

U
Equal to 1.75 inches (44.45 millimeters)

SSI
Server System Infrastructure

IDC
Internet Data Center

CFM
Cubic Feet per Minute. Measure of Volumetric Airflow.