Dictionary
A
ACAE: Air Conditioning Airflow Efficiency
Access Control and Monitoring System (ACAMS)
Access Card
Access Control
Access Control Unit (ACU)
Access Level
Access Point
AHU: Air Handling Unit
Airside Economizer
Aisle
Alarm Input
Alarm Mask
ATS: Automatic Transfer Switch
Available Space
Attenuation
Auto-Iris Lens
B
BACnet
BAS (Building Automation System)
Backbone
Barcode
Battery
Bend Radius
Bend-Insensitive Fiber (BIF)
BICSI
Blocking
Bonding
Branch Circuit
BTU: British Thermal Unit
Building Automation System (BAS)
Buffer Capacity
Building Management Software (BMS)
Building Information Modeling (BIM)
Building Intelligence (BI)
Building Energy Management Systems (BEMS)
Building Productivity
Burn In
Bypass Airflow
C
Cabinet
CAC: Cold Aisle Containment
CCD Image Sensor
Calibrated Vectored Cooling (CVC)
Category 5e (Cat 5e)
Category 6 (Cat 6)
Central Patching
Cleave
Closed Circuit Television (CCTV)
Certified Protection Professional (CPP)
Calibrated Vector Cooling (CVC)
CapEx
Cat 6 Cable
CCTV
Ceiling to Deck Height
CFD: Computational Fluid Dynamics
CFM: Cubic Feet per Minute
Chilled Water System
Chiller
Chiller Feeds
Closed Coupled Cooling
Cloud Computing
Cloud Storage API
Cold Aisle
Cold Spot
Colocation
Commissioning
Communication Protocols
Computerized Maintenance Management System (CMMS)
Concurrently Maintainable
Condensate Piping
Condenser
Containment
Converged Infrastructure
Cooling Tower
Conduit
Construction Document Technology (CDTC)
Core
CRAC
CRAC
CRAH
Critical Load
Cricital Cooling Load
Cutout
CW: Chilled Water
CWR
CWS
D
Data Center
Data Center Shell
DC: Direct Current
Dedicated Hosting
Delay
Dehumidification
Dehumidifying | Humidifying (D/H)
Delta T
Device Address
Digital Signage Processing (DSP)
Digital Twin City
Digital Video Recorder (DVR)
Direct Current (DC)
Direct Space
Disarm
Discharge Rate
Distribution Cell
Distribution Frame
Distribution Panel
Door Control Relay
Door Forced
Door Held
Door Held Time / Door Open Time
Door Switch Monitor (DSM)/ Door Contact
Double Interlock Pre-Action Fire Sprinkler
Down Flow
Downtime
E
F
G
GPH: Gallons per hour
Green Data Center
Ground
Ground Fault
H
Hall-POD
Halon
Harmonic Distortion
HDG
HDTV
Heat Exchanger
HEPA (High Efficiency Particle Accumulation)
Hertz
History
Host Panel
Hosting
Horizontal Distribution Area (HDA)
Hot Air
Hot Aisle/ Cold Aisle
Hot Gas Line
Humidification
Humidifier
HVAC
Hybrid Cloud
I
IEEE (Institute of Electrical and Electronics)
Image Compression
Impedance
Infrared
Infrared Scanning
Infrastructure as Service (Iaas)
Inlet Air
Inrush Current
Insertion Loss
Intelligent Power Management
Intelligent Building
Intelligent Office
Intermediate Distribution Area (IDA)
Indoor GIS Mapping
Interlock
Internet Service Provider
Inergen
IoT – Internet of Things
IP (Internet Protocol)
IP Address
IP Camera
ISDN
Isolation Relay
K
L
LAN (Local Area Network)
Latent Cooling
Latent Cooling Capacity
Lavalier
LCD
LCoS
Lead Acid Battery
Leak Detection
Leasing Activity
Leasing Space
LED
Lightning Arrester
Lights Out Server Room
Line Noise
Liquid Cooling
Liquid Line
Load
Load Balancing
Load Bank
Local Audible Alarm (LAL)
Local Moniter
Locking Hardware
Loose Tube Buffering
Loss Budget
Low Voltage System
Local Monitor
Loudspeaker
Low Smoke Zero Halogen (LSZh)
Lumen
LUX
M
Mag Lock
Magnetic Reader
Magnetic Stripe
MAH: Makeup Air Handler
Make-Up Air
Managed Hosting
Managed Services
Manual Transfer Switch (MTS)
Man Trap
Mass Marketing Hosting
Matrix Switcher
Maximum Temperature Rate of Change
MBP/MBC
MBC: Main Circuit Breaker
MDA (Main Distribution Area
Megapixel IP Camera
Mean Time Between Failures (MTBF)
Mean Time to Repair (MTTR)
Mixer
Modbus
Mode
Modular
Modulator
Motion Detection
Multi-Mode Fiber
MPEG
MPEG-2
MPEG-4
Multi-Tenant
Multiplexing
Multipoint
MW
N
N+1 Redudancy
Near End Crosstalk (NEXT)
NEBS
NEC
Net Absorption
Net Rental Rate
Network Cabinets
Network Camera
Network Cross Connections
Network Video Recorder
New Space
NFPA
Nominal Cooling Capacity
NTSC
O
Occupied Space
OCP
OM3
OM4
Omni-Directional
OpEx
Optical Turnstile
Output Relays
Overcooling
P
Packet Acceleration
PAL
Pan
Parallel Generator System
Parasitic Load
Passive Infrared (PIR)
Personal Identification (PIN)
PDP
PDU: Power Distribution Unit
Pedestal
PH
Phantom Power
Phase
Pink Noise
Pixel
Plasma Display Panel (PDP)
Platform as a Service
Plenum
Point-to-Point
Point-Source
Pole
Pole Position
Portal
Potential Transformer
Power
Power Density
Power Factor
Power Over Ethernet
Prefabrication
Preleased Space
Premium Colocation
Pre-Action
Pre-Action Fire Sprinkler
Precision Air Conditioning
Pressure DIfferential
Primary Loop
Private Cloud
Programmable Logic Controller
Proximity
Proximity Reader
PTZ
PUE
Public Cloud
Pump Package
Pumps
Punch Down
R
Rack
Rack Unit (RU)
Radio Frequency (RF)
Radio Frequency Interference (RFI)
RAH: Recirculation Air Handler
Raised Floor
Rear Screen Projection
Reader
Recirculation
Redundancy
Relative Humidity
Reliability
Remote Host
Remote Replication
Request to Exit (REX)
Resolution
REST
Return Air
Return Loss
Reverberant Sound
RF System
RFI
RH
RGBHV
RGBS
RGSB
Riser Cable
Rope Detector
Row Based Cooling
RPP
RTU
RU
S
S+S
SAN: Storage Area Network
Scalability
Scaler
SCFM
Scan Conversion
SDTV
Secondary Loop
Security Equipment Enclosure (SEC)
Security Operation Center (SOC)
Seebeck Effect
Sensible Cooling Capacity
Sensible Heat
Sensible Heat Ratio
Server
Server Cabinets
Server Room
Set Point
Shared Hosting
Sheath
Shear Lock
Short Cycling
Shotgun Microphone
Shunt Time
Signal Generator
Signal to Noise Ratio
Single-Mode Fiber
Single Phase
Single Tenant
Smart Building
Smart Building Software
Smart Building IoT
Smart Commercial Buildings
Smart Office
Smart City
Smart Card
Spare/Space
Spike
Spike/ Surge Protector
Splice
Splitter
Spot Detector
SSID
Stand Alone
Status Switch
Standard Temperature and Pressure
Standby Generator
Static Transfer Switch
Step Down Transformers
Streaming Video and Audio
Strength Member
Strike
Stringer
Structured Cablng
Storeroom Function
STS
Subwoofers
Sub Floor
Supply Air
Supervision
Surge
Surface Mount Microphone
Surround Sound
S-Video
Switcher
Switchgear
Sync
T
Tailgating
Tampering Alarm
Tenant Experience
Tensile Strength
Thermistor
Thermoelectric Cooling
THHN
Three Phase
Throw Distance
TIA-942
TIA/EIA-568-B
Tier I
Tier II
Tier III
Tier IV
Tight Buffer
Tilt
Time Zone
Tons
Traditional Non Scalable UPS
Transaction
Transformer
Transient Voltage Surge Surpressor
Turning Vane
Turnstile
TVSS
Tweeters
U
U
UL
Unified Computing System
Uninterruptible Cooling
Up Flow
UPS
UPS Powers
Usable KVA per Circuit
Usable Kw per Circuit
Usable VA per Circuit
Utility Power
V
VA
Vale Regulated Sealed Cell
Vapor Barrier
Venting
VFD
Video Server
Viewing Angle
Viewing Cone
Virtualization
VMware Backup
VoIP
Volt
Voltage
W
WAN
Water-Cooled System
Water Cooling
Water Detector
Waterside Economizer
Watt
Wiegand
Wet Bulb Temperature
Wg
White Noise
Wholesale Data Center
Wholesale Turnkey
Wireless Network Camera
WLAN
Woofers
Work Cell
Workplace Productivity
Workplace Experience Strategy
Workplace Experience App
WPA
WPSFL Watts per Square Foot
WUE: Water Usage Effectiveness