CH AA - ACRONYMS AND ABBREVIATIONS Flashcards
A/D
Analog-to-Digital
A&E
Architecture and Engineering
ABA
Architectural Barriers Act
ac
Alternating Current
ACEG
Alternating Current Equipment Ground
ACK
Acknowledgment
ACL
Access Control List
ACR
Attenuation-to-Crosstalk Ratio
ACRF
Attenuation-to-Crosstalk Ratio, far-end
ACS
Access Control System
ACWP
Actual Cost of Work Performed
ADA
Americans with Disabilities Act
ADAAG
Americans with Disabilities Act Accessibility Guidelines
ADF
Area Distribution Facility
ADO
Auxiliary Disconnect Outlet
ADPCM
Adaptive Differential Pulse Code Modulation
ADR
Alternative Dispute Resolution
ADSL
Asymmetric Digital Subscriber Line
ADSS
All-Dielectric Self-Support
AEC
- Acoustic Echo Canceller
- Architecture, Engineering, and Construction
AES
Advanced Encryption Standard
AF
Audio Frequency
AFEXT
Alien Far-End Crosstalk
AFF
Above Finished Floor
AGC
Automatic Gain Control
AHJ
Authority Having Jurisdiction
AHU
Air Handling Unit
AI
- Analog Input
- Articulation Index
AIM
Automated Infrastructure Management
AM
Amplitude Modulation
AMES
Architectural, Mechanical, Electrical, Structural
AMI
Alternate Mark Inversion
AMSL
Above Mean Sea Level
ANEXT
Alien Near-End Crosstalk
AO
Analog Output
AP
- Access Point
- Access Provider
APC
Angle Physical Contact
API
Application Programming Interface
AS
Australian Standard
ASCII
American Standard Code for Information Interchange
ASP
Authorized Service Provider
ATM
- Asynchronous Transfer Mode
- Automatic Teller Machine
ATR
All-Thread-Rod
ATS
Automatic Transfer Switch
AUTONEG
Autonegotiation
AV
Audiovisual
AWG
American Wire Gauge
AWS
Advanced Wireless Services
AXT
Alien Crosstalk
BACnet®
Building Automation and Control Network
BAS
Building Automation System
BBC
Backbone Bonding Conductor
BBMD
BACnet® Broadcast management Device
BC
Bonding Conductor
BCT
Bonding Conductor for Telecommunications
BCWP
Budgeted Cost of Work Performed
BCWS
Budgeted Cost of Work Scheduled
BD
Building Distributor
BDA
Bidirectional Amplifier
BDSL
Bit Rate Digital Subscriber
BER
Bit Error Rate
BET
Building Entrance Terminal
BIBB
BACnet® Interoperability Building Block
BIM
Building Information Modeling
BMS
Building Management System
BN
Bonding Network
BNC
Bayonet Neill-Concelman
BOM
Bill of Material
BPSK
Binary Phase Shift Keying
BRI
Basic Rate Interface
BSC
Base Station Controller
BSS
Basic Service Set
BTL
BACnet® Testing Laboratories
BTS
Basic Transceiver Station
BVLL
BACnet® Virtual Link Layer
C
Chrominance Signal
CAD
Computer-Aided Design
CADD
Computer-Aided Drafting and Design
CAFM
Computer-Aided Facility Management
CAN
Campus Area Network
CAP
Carrierless Amplitude and Phase
CAT
Category
CATV
Cable TV
CBC
Coupled Bonding Conductor
CBN
Common Bonding Network
CBS
Core Bore Seal
CCD
Charge Coupled Device
CCK
Complimentary Code Keying
cct
Circuit (European)
CCTV
Closed Circuit TV
CCU
- Coronary Care Unit
- Critical Care Unit
cd
Candela
CD
- Campus Distributor
- Construction Document
CDF
Campus Distribution Facility
CDMA
Code Division Multiple Access
CE
- Common Element
- Conformité Européene
CEBus®
Consumer Electronics Bus
CENELEC
Comité Européen de Normalisation Electrotechnique
CENTREX
Central Exchange
CER
Common Equipment Room
CEV
Controlled Environment Vault
CFR
Code of Federal Regulations (U.S.)
CHCC
Comprehensive Health Care Clinic
C/I
Carrier-to-Interface Ratio
CI
Circuit Integrity
CIA
Confidentiality, Integrity, and Availability
CIC
CEBus® Industry Council
CII
Critical Infrastructure Industry
CIS
Common Intelligibility Scale
ckt
Circuit (U.S.)
CLEC
Competitive Local Exchange Carrier
CM
- Common Mode
- Construction Manager
- Control Module
CMP
Communications Plenum
CMR
Communications Riser
CMRR
Common-Mode Rejection Ratio
CMU
Concrete Masonry Unit
CMUC
Communications Undercarpet
CMX
Communications Residential
CO
- Central Office
- Change Order
CON
Certificate of Need
COR
Close Observation Room
COT
Central Office Terminal
CP
Consolidation Point
CPE
Customer Premises Equipment
CPI
Cost Performance Index
CPM
Critical Path Method
CPU
Central Processing Unit
CPVC
Chlorinated Polyvinyl Chloride
CR
Computer Room
CRAC
Computer Room Air Conditioning
CRC
Cyclic Redundancy Check
CRI
Color Rendition Index
CRO
Construction Ride Out
CRT
Cathode Ray Tube
CSI
Construction Specifications Institute
CSMA/CA
Carrier Sense Multiple Access with Collision Avoidance
CSMA/CD
Carrier Sense Multiple Access with Collision Detection
CSU
Channel Service Unit
CTCSS
Continuous Tone Coded Squelch System
CTR
Common Telecommunications Room
CTS
Clear to Send
CUE
Concrete Universal Enclosure
CWDM
Coarse Wavelength Division Multiplexing
D/A
Digital-to-Analog
DA
- Distributed Automation
- Distribution Amplifier
DAC
Direct Attach Cable
DACR
Digital Alarm Communicator Receiver
DACS
Digital Alarm Communicator System
DACT
Digital Alarm Communicator Transmitter
DARR
Digital Alarm Radio Receiver
DARS
Digital Alarm Radio System
DART
Digital Alarm Radio Transmitter
DAS
- Direct-Attached Storage
- Distributed Antenna System
DAQ
Delivered Audio Quality
DB
Design-Build
dBa
A-Weighted Decibel
dBd
Decibels Related to a Half Wavelength Dipole
dBi
Decibels Related to an Isotropic Radiator
DBS
Direct Broadcast Satellite
dBu
Decibel Unit
dc
Direct Current
DCIE
Data Center Infrastructure Efficiency
DCS
Digital Cellular System
DD
- Design Development
- Design Document
- Distribution Device
DDC
Direct Digital Control
DDS
Dynamic Digital Signage
DECT
Digital Enhanced Cordless Telecommunications
DEPIC
Dual Expanded Plastic Insulated Conductor
DHCP
Dynamic Host Configuration Protocol
DI
Digital Input
DTC
Data Link Control
DM
Differential Mode
DMD
Differential Mode Delay
DMT
Discrete Multitone
DMVPN
Dynamic Multipoint Virtual Private Network
DMZ
Demilitarized Zone
DNR
Digital Noise Reduction
DO
Digital Output
DoS
Denial of Service
DP
Demarcation Point
DS
- Digital Signal
- Distribution System
DS0
Digital Signaling Level Zero
DS1
Digital Signal Level One
DS1C
Digital Signal Level One C
DS2
Digital Signal Level Two
DS3
Digital Signal Level Three
DSL
Digital Subscriber Line
DSP
Digital Signal Processor
DSS
Digital Satellite Signal
DSSS
Direct Sequence Spread Spectrum
DSU
Data Service unit
DSX
Digital Signal Cross-Connect
DTE
Data Terminal Equipment
DTV
Digital TV
DVB
Digital Video Broadcast
DVD
Digital Versatile Disk
DVI-A
Digital Visual Interface - Analog
DVI-D
Digital Visual Interface - Digital
DVI-I
Digital Visual Interface - Integrated
DVMS
Digital Video Management System
DVR
Digital Video Recorder
DVT
Digital Video Technology
E&O
Errors and Omissions
E/O
Electronic-to-Optical
EAC
Electronic Access Control
Eb/NO
Energy Per Bid to Noise Density Ratio
EBC
Equipment Bonding Conductor
ECTFE
Ethylene Chlorotrifluoroethylene
EDA
Equipment Distribution Area
EDP
Electrical Distribution Panel
EEA
European Economic Area
EESS
Earth Exploration-Satellite Service
EF
Entrance Facility
EFM
Ethernet in the First Mile
EFT
Electrical Fast Transient
EHF
Extremely High Frequency
EIA
Electronic Industries Alliance
EIRP
- Effective Isotropic Radiated Power
- Equivalent Isotropic Radiated Power
ELF
Extremely Low Frequency
ELFEXT
Equal Level Far-End Crosstalk
EM
Electromagnetic
EMB
Effective Modal Bandwidth
EMC
Electromagnetic Compatibility
EMI
Electromagnetic Interference
EMP
Electromagnetic Pulse
EMR
Electromagnetic Radiation
EMS
- Emergency Medical Service
- Energy Management System
EMT
Electrical Metallic Tubing
ENI
External Network Interface
ENT
Electrical Non-Metallic Tubing
EO
Electrical Outlet
EoDSL
Ethernet Over Digital Subscriber Line
EOLR
End-of-Line Resistor
EP
Entrance Point
EPO
Emergency Power Off
EPON
Ethernet Passive Optical Network
EPR
Earth Potential Rise
EQ
Equalizer
ER
Equipment Room
ERP
Effective Radiated power
ERRCS
Emergency Responder Radio Coverage Systems
ESD
Electrostatic Discharge
ESF
Extended Superframe
ESMR
Enhanced Specialized Mobile Radio
ESN
Electronic Serial Number
ESS
- Electronic Security and Safety
- Electronic Service Set
ETSI
European Telecommunications Standards Institute
ETL
Electronic Testing Laboratories (Intertek)
EV
Earned Value
F/UTP
Foil Screened With Unshielded Twisted-Pairs
FA
Fire Alarm
FACP
Fire Alarm Control Panel
FAX
Facsimile
FC
- Ferrule Connector
- Fiber Connector
- Fixed Connector
FCC
Federal Communications Commission
FCS
Frame Check Sequence
FD
Floor Distributor
FDDI
Fiber Distributed Data Interface
FDM
Frequency Division Multiplexing
FEC
Forward Error Correction
FEP
Fluorinated Ethylene Propylene
FEXT
Far-End Crosstalk
FHSS
Frequency-Hopping Spread Spectrum
FirstNet
First Responder Network Authority
FIT
Frame Interline Transfer
FLA
Flooded Lead Acid
FLS
Fire-Life-Safety
FM
Frequency Modulation
FMC
Flexible Metal Conduit
FMT
Flexible Metal Tubing
FO
- Fiber Optic
- Field Order
FOV
Field of View
F-PDCH
Forward Packet Data Channel
FR
Fire Retardant
FRS
Family Radio Service
FS
- Factor of Safety
- Fixed Service
FSO
Free Space Optics
FTC
Failure to Capture
FTP
- File Transfer Protocol
- Foil Twisted-Pair
FTTH
Fiber To The Home
FTTO
Fiber To The Office
FTTx
Fiber To The X
FWHM
Full Width Half Maximum
G
Conductance
GAN
Global Area Network
GbE
Gigabit Ethernet
GC
General Contractor
GE
Grounding Equalizer
GEC
Grounding Electrode Conductor
GFCI
Ground Fault Circuit Interrupter
GIS
Geographic Information System
GMP
Guaranteed Maximum Price
GPON
Gigabit Passive Optical Network
GPR
- Ground Penetrating Radar
- Ground Potential Rise
GSM
Global System for Mobile Communications
GUI
Graphical User Interface
HAAT
Height Above Average Terrain
HC
Horizontal Cross-Connect
HCP
Horizontal Connection Point
HD
High Definition
HDA
Horizontal Distribution Area
HDMI
High-Definition Multimedia Interface
HDPE
High Density Polyethylene
HDSDI
High-Definition Serial Digital Interface
HDSL
High Bit-Rate Digital Subscriber Line
HDTV
High Definition TV
HF
High Frequency
HFC
Hybrid Fiber-Coax
HH
Handhole
HIPAA
Health insurance Portability and Accountability Act of 1996
Hostid
Host Identification
HR
Human Resources
HR/DSSS
High Rate Direct Sequence Spread Spectrum
HSAB
high-Speed Air Blown (Procedure)
HSPDA
High-Speed Downlink Packet Access
HTTP
Hypertext Transfer Protocol
HVAC
Heating, Ventilation, and Air-Conditioning
I/O
Input/Output
I
- Current
- In-Phase Signal
IAPP
Interaccess Point Protocol
IB
Intelligent Building
IBC
International Building Code
IBM
Isolated Bonding Network
IBSS
Independent Basic Service Set
IC
- Integrated Circuit
- Intermediate Cross-Connect
ICT
Information and Communications Technology
ICU
Intensive Care Unit
ID
- Identifier
- Inside Diameter
- Intelligent Device
- Intermediate Distributor
IDC
- Initiating Device Circuit
- Insulation Displacement Connector
IDF
Intermediate Distribution Frame
IDS
Intrusion Detection System
IEC
International Electrotechnical Commission
IESS
Integrated Electronic Security Systems
IETF
Internet Engineering Task Force
IF
Intermediate Frequency
IFC
Intrafacility Cabling
IG
Isolated Ground
ILEC
Incumbent Local Exchange Carrier
IMC
Intermediate Metal Conduit
IOR
Index of Refraction
IoT
Internet of Things
IP
- Ingress Protection (e.g., IP52)
- Internet Protocol
IPD
Integrated Project Delivery
IPsec
Internet Protocol Security
IPTS
Interactive Patient TV System
IR
- Infrared
- Insulation Resistance
ISDN
Integrated Services Digital Network
ISM
Industrial, Scientific, and Medical
ISO
International Organization for Standardization
ISOC
Internet Society
ISP
- Inside Plant
- Internet Service Provider
IT
Information Technology
ITB
Invitation to Bid
ITE
Information Technology Equipment