Acronyms

A | B | C | D | E | F | G | H | I | K |L | M | N | P | R | S | T | U | V | W

A

A
Ampere

ABM
Advanced Battery Management

AC
Alternating Current

AFCI
Arc Fault Circuit Interrupter

AH
Ampere Hour

AM
Advanced Monitored (enclosure power distribution unit or ePDU)

ANSI
American National Standards Institute

ARG
Amphibious Ready Group

ASCII
American Standard Code for Information Interchange

AVR
Automatic Voltage Regulation

B

BA
Basic (enclosure power distribution unit or ePDU)

BBM
Break-Before-Make (Bypass Switch)

BDM
Bypass Distribution Module

BTU
British Thermal Unit

C

CI
Converged Infrastructure

CPU
Central Processing Unit

CRAC
Computer Room Air Conditioner

CRAH
Computer Room Air Handler

CSA
Canadian Standards Association

CSE
Customer Service Engineer

D

DC
Direct Current

DCIE
Data Center Infrastructure Efficiency

DCIM
Data Center Infrastructure Management

DISA
Defense Information Systems Agency

DNS
Domain Name System

DR
Disaster Recovery

DSL
Digital Subscriber Line

DVV or DV2
Data, Voice, Video

E

E911
Enhanced 911

EAA
Energy Advantage Architecture

EBC
Extended Battery Cabinet

EBM
Extended Battery Module

ELT
Emergency Locator Transmitter

EMC
Electromagnetic Compatibility

EMEA
Europe, Middle East, Africa

EMF
Electromagnetic Force

EMI
Electromagnetic Interference

EMS
Energy Management System

EOSL
End of Service Life

ESS
Energy Saver System

F

FCC
Federal Communications Commission

FMC
Fixed/Mobile Convergence

FTP
File Transfer Protocol

G

GFCI
Ground-Fault Circuit Interrupter

GND
Ground

GUI
Graphical User Interface

H

HDD
Hard Disk Drive

HPC
High-Performance Computer

HTML
HyperText Markup Language

HTTP
HyperText Transfer Protocol

HV
High Voltage

HVAC
Heating, Ventilating and Air Conditioning

HW
Hardwired

Hz
Hertz

I

IaaS
Infrastructure as a Service

IDF
Intermediate Distribution Frame

IEC
International Electrotechnical Commission (IEC)

IEEE
Institute of Electrical And Electronics Engineers

IGBT
Insulated Gate Bi-polar Transistor

IP
Internet Protocol

ISO
International Standards Organization

ISP
Internet Service Provider

ITIC
Information Technology Industry Council

K

kAIC
Kiloampere Interrupting Capacity

kVA
Kilovolt ampere

KVM
Keyboard, Video, Mouse

L

LAN
Local Area Network

LCD
Liquid Crystal Display

LED
Light-Emitting Diode

LEED
Leadership in Energy and Environmental Design

LV
Low Voltage

M

M2MI
Machine-to-Machine Interface

MBB
Make-Before-Break (Bypass Switch)

MDF
Main Distribution Frame

ME
Metered (enclosure power distribution unit or ePDU)

MI
Ethernet Monitored (enclosure power distribution unit or ePDU)

MIB
Management Information Base

MOV
Metal Oxide Varistor

MSP
Managed Service Platform

MTBF
Mean Time Between Failure

MTDC
Multi-Tenant Data Center

MTTR
Mean Time To Repair

N

NAS
Network Attached Storage

NEC
National Electrical Code

NEMA
National Electrical Manufacturers Association

NIC
Network Interface Card

NOC
Network Operations Center

NNM
Network Node Manager

P

P2V
Physical to Virtual

PaaS
Platform as a Service

PABX
Private Automatic Branch Exchange

PBX
Private Branch Exchange

PC
Personal Computer

PDM
Power Distribution Module

PDR
Power Distribution Rack

PDU
Power Distribution Unit

PE
Protective Earth

PEBKAC
Problem Exists Between Keyboard and Computer

PF
Power Factor

PFC
Power Factor Correction

PHI
Personal Health Information

PICNIC
Problem in chair not in computer

PMDC
Portable Modular Data Center

PoE
Power over Ethernet

POTS
Plain Old Telephone System

PPDM
PowerPass Distribution Module

PPE
Personal Protective Equipment

PSAP
Public Safety Answering Point

PSTN
Public Switched Telephone Network

PUE
Power Usage Effectiveness

R

RAM
Random Access Memory

REPO
Remote Emergency Power Off

RFI
Radio Frequency Interference

RM
Rackmount (also Rectifier Magazine)

RMA
Return Material Authorization

RMS
Root Mean Square

ROBO
Remote Office/Branch Office

RoHS
Restriction of Hazardous Substances

ROO
Remote On/Off

RPM
Rack Power Module

RPO
Remote Power Off

RPP
Remote Power Panel

S

SasS
Software as a Solution

SAN
Storage Area Network

SATA
Serial Advanced Technology Attachment

SCR
Silicon-Controlled Rectifier

SLA
Service Level Agreement

SNMP
Simple Network Management Protocol

SOA
Service-Oriented Architecture

SPD
Surge Protection Device

SQL
Structured Query Language

SSL
Secure Socket Layer

STS
Static Transfer Switch

SVGA
Super Video Graphics Array

SW
Switched (enclosure power distribution unit or ePDU)

T

T&M
Time and Material

TCP/IP
Transmission Control Protocol/Internet Protocol

TDM
Time-division Multiplexing

THD
Total Harmonic Distortion

TVSS
Transient Voltage Surge Suppressor

U

UC
Unified Communications

UL
Underwriters Laboratory

UPS
Uninterruptible Power System (or Supply)

URL
Uniform Resource Locator

USB
Universal Serial Bus

V

V
Volt

VA
Volt Ampere

Vac
Volts Alternating Current

Vdc
Volts Direct Current

VDI
Virtual Desktop Infrastructure

VGA
Video Graphics Array

VLAN
Virtual LAN

VM
Virtual Machine (view our Virtualization page)

VMMS
Variable Module Management System (download VMMS Data Sheet)

VoIP
Voice over Internet Protocol

VPN
Virtual Private Network

VRLA
Valve Regulated Lead Acid

W

W
Watt

WAN
Wide Area Network

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