Network Acronyms

Call on us for all that...

      M  (monitoring, modems, muxes, & microwave)
      A   (antennas, amplifiers, access, aggregation, analyzers, & ADSL2+)
      T   (T1, transmission, triple-play, & trapservers)
      T   (T3, timing, toners, & test)   
      E   (extenders & ethernet)
      R   (radios, remotes, & routers)
      S   (SNMP, SONET, surge protection, & synchronization)

Copyright 2002-2017 IBEX Systems

23B+D = 23 B" Channels + 1 "D" Channel"
2B+D = 2 B" Channels + 1 "D" Channel"
2B1Q = Two Bits in One Quarternary
30B+D = 30 B" Channels + 1 "D" Channel"
AAL = ATM Adaptation Layer
AAP = Alternate Access Provider
AAR = Automatic Alternate Routing
ABATS = Automatic Bit Access Test System
ABM = Asynchronous Balanced Mode
ABR = Available Bandwidth Rate
ABR = Available Bit Rate
AC = Access Control
ACD = Automatic Call Distribution
ACF = Access Coordination Function
ACF = Advanced Communications Function
ACF = Access Control Field
ACK = Acknowledgement
ACM = Address Complete Message
ACO = Automatic Cut Off
ACSE = Association Control Service Element
ADC = Analog to Digital Converter
ADCCP = Adv Data Comm Control Procedure
ADM = Add/Drop Multiplexer
ADM = Asynchronous Disconnected Mode
ADM = Add/Drop Multiplexer
ADM 3X = DS3 Add-Drop Multiplex
ADPCM = Adaptive Differential Pulse Code Modulation
ADPCM = Adaptive Differential Pulse Code Mod.
ADSL = Asymmetric Digital Subscriber Line
ADSS = All Dielectric Self-Supporting
ADTS = Automated Digital Terminal Systems
AFPS = Automatic Facility Protection Switching
AFSK = Audio Frequency Shift Keying
AIN = Advanced Intelligent Network
AIS = Alarm Indication Signal
AIS-L = Alarm Indication Signal - Line
AIS-P = Alarm Indication Signal - Path
AIS-V = Alarm Indication Signal - Virtual (Tributary)
AIU = Analog Interface Unit
AL = Access Link
ALI = Automatic Location Indication
ALIT = Automatic Line Insulation Test
ALPS = Automatic Loop Protection Switching
ALS = Active Line State
AMA = Automatic Message Accounting
AMI = Alternate Mark Inversion
AMPS = Advanced Mobile Phone Service
AN = Access Node
ANC = Access network Controller
ANI = Automatic Number Identification
ANM = ANswer Message
ANR = Auto Network Routing
ANS1 = Abstract Syntax Notation 1
ANSI = American National Standards Institute
AOC = ADSL overhead control channel
AON = All Optical Network
AP = Access Point
AP = Action Point
APDU = Application Protocol Data Unit
API = Application Programming Interface
APPC = Advanced Program to Program Comm
APR = Alarm Processing Remote
APS = Automatic Protection Switching
ARD = Automatic Ring Down
ARP = Address Resolution Protocol
ARQ = Automatic Retransmission Request
AS56 = Accunet Switched 56
ASB = Application Specific Bits
ASCII = American Std Code for Info Interchange
ASDS = Accunet Sprectrum of Digital Device Svc
ASE = Applications Service Element
ASN.1 = Abstract Syntax Notation One
ASP = Application Service Provider
AT = Access Tandems
ATD = Asynchronous Time Division
ATIS = Alliance for Tel Ind Solutions
ATM = Asynchronous Transfer Mode
ATM-LI = ATM Link Identifier
ATMM = ATM Layer Management
ATM-PCI = ATM Protocol Control Information
ATM-SDU = ATM Service Data Unit
ATU-C = ADSL Transceiver Unit - Central office end
ATU-R = ADSL Transceiver Unit - Remote terminal end
AU = Administrative Unit
AUG = AU Group
AUI = Attachment Unit Interface
AVS = AVailable Seconds
B = Bearer Channel
B3ZS = Bipolar 3 Zero Substitution/Suppression
B6ZS = Bipolar 6 Zero Substitution
B8ZS = Bipolar 8 Zero Substitution
B8ZS = Bipolar 8 Zero Suppression
BA = Buffer Allocation
BAF = Bellcore AMA Format
BAsize = Buffer Allocation
Bc = Committed Burst Size
BC = Bearer Capability
BCC = Block Check Code
BCD = Binary Coded Decimal
BCI = Bit Count Integrity
BCM = Bit Compression Multiplexer
BCN = BeaCoN
B-CPE = Broadband Customer Premises Equipment
BCS = Binary Synchronous Communication
BDCS = Broadband Digital Cross-connect Sys
BECN = Backward Explicit Congestion Notification
BER = Bit Error Rate
BERT = Bit Error Rate Tester
BES = Bursty Errored Second
BEtag = Beginning/End Tag
BGP = Border Gateway Protocol
BIB = Backward Indicator Bit
BICI = Broadband InterCarrier Interface
B-ICI = Broadband Isdn InterCarrier Interface
BIP = Bit Interleaved Parity
BIP-N = Bit Interleaved Parity - N
BISDN = Broadband Integrated Services Digital Network
BISYNC = Binary Synchronous Communications
BITS = Building Integrated Timing Supply
BIU = Basic Information Unit
BLER = Block Error Rate
BMS = Bandwidth Management System
BNS = Broadband Network Switch
BOC = Bell Operating Company
BOM = Beginning of Message
BOP = Bit Oriented Protocol
BORSCHT = Battery feed, Overvoltage protection, Ringing, Signaling, Hybrid, & Testing
BPOP = Building Point of Presence
BPS = Bits Per Second
BPV = Bipolar Violation
BRA = Basic Access Rate
BRI = Basic Rate Interface (ISDN)
BRITE = Basic Rate Interface Transmission Extension
BRT = Broadband Remote Terminal
BRZ = Bipolar Return to Zero
BSC = Base Station Controller
BSC = Binary Synchronous Communications
BSN = Backward Sequence Number
BSP = Bell System Practice
BSRF = Basic System Reference Frequency
BSS = Base Station Subsystem
BSS = Basic Service Set
BSS = Broadband Switching System
BTAG = Beginning of TAG
BTS = Base Station Transceiver
BWB = Bandwidth Balancing
C/R = Command/Response
C/R = Control/Response - indication bit
C/R Bit = Command Response Bit
CAC = Connectionless Admission Control
CAL = Customer Access Line
CAN = Campus-Area Network
CAP = Carrier-less Amplitude Phase (modulated)
CAP = Competitive Access Provider
CAS = Channel Associated Signaling
CASE = Common Application Service Elements
CATV = Cable Television
CBCU = Centralized Broadband Control Unit
CBO = Continuous Bit Stream Oriented
CBQ = Class-Based Queuing
CBR = Constant Bit Rate
Cc = Committed Burst Size
CC = Call Control
CC = Composite Clock
CCC = Clear Channel Capability
CCH = Connections per Circuit-hr in Hundreds
CCIS = Common Channel Interoffice Signaling
CCITT = Comite Consultatif Internationale Telegraphique et Telephonique
CCK = Composite Clock
CCM = Customer Control & Mgmt
CCR = Customer Controlled Reconfiguration
CCR = Commitment, Concurrency, & Recovery
CCS = Common Channel Signaling
CCS = Hundred Call Seconds
CCS = Common Channel Signaling
CCSA = Common Control Switching Arrangement
CCU = Common Control Unit
CD = Count Down
CDMA = Code Division Multiple Access
CDO = Community Dial Office
CDPD = Cellular Digital Packet Data
CDV = Cell Delay Variation
CDVT = Cell Delay Variance Tolerance
CE = Connection Element
CEP = Connection End Point
CEPT = Conference of European Postal Telecom
CES = Circuit Emulation Service
CEV = Controlled Environment Vault
CF = Coin First
CFA = Carrier Failure Alarm
CGA = Carrier Group Alarm
CH = Cell Header
CHTML = Compact Hyper Text Markup Language
CI = Customer Installation
CI = Continuation Identifier
CIB = CRC Indication Bit
CID = Craft Interface Device
CIR = Committed Information Rate
CIR = Cell Insertion Ratio
CIU = Communications Interface Unit
CL = Common Language
CLEC = Competitive Local Exchange Carrier
CLIR = Calling Line Identity Restriction
CLIST = Command List
CLLM = Consolidated Link Layer Mgmt
CLN = ConnectionLess Network
CLNP = Connection-Less Network Protocol
CLNS = Connection-Less Network Service
CLP = Cell Loss Priority (CLP Bit)
CLS = Connectionless Service
CLTS = Connection-Less Transport Service
CMD = Circuit Mode Data
CMDR = Command Reject
CMI = Code Mark Inversion
CMIP = Common Management Info Protocol
CMIS = Common Mgmt Info Service
CMISE = Common Management Information Service Element
CMOT = CMIP over TCP/IP
CMT = Connection Management
CND = Calling Number Delivery
CNF = Confirmed
CNM = Customer/Communications Network Management
CO = Central Office/Connection Oriented Svc
COC = Central Office Connection
COCF = Connection Oriented Converge Function
CODEC = COder-DECoder
COFA = Change of Frame Alignment
CO-LAN = Central Office Local Area Network
COM = Continuation of Msg
COMPANDER = COMpressor/exPANDER
CON = Concentrator
CON = Connection Oriented Network
CONP = Connection Network Protocol
CONS = Connection-Oriented Network Services
COPS = Common Open Policy Service
CORBA = Common Object Request Broker Architecture
COS = Class of Service
COT = Central Office Terminal
CP = Cell Payload
CP = Customer Premises
CP = Central Processor
CP = Common Part
CPCS = Common Part Convergence Sublayer
CPE = Customer Premise Equipment
CPI = Computer-PBX Interface
CPI = Common Parti Indicator
C-PLANE = Control Plane
CPMI = Customer Proprietary Network Info
CPN = Customer Premises Node
CPNI = Customer Proprietary Network Information
CPP = Calling Party Pays
CPS = Customer Premises System
CPU = Central Processor Unit
CR = Call Reference
CRC = Cyclic Redundancy Check
CRF = Connection Related Function
CRIS = Customer Records Info System
CRS = Cell relay Service
CRV = Call Reference Value
CRV = Coding Rule Violation
CS = Convergence Sublayer
CSA = Canadian Standards Association
CSA = Carrier Service Area
CSAP = Core Service Access Point
CSC = Common Signaling Channel
CSDU = Core Service Data Unit
CSH = Convergence Sublayer Header
CSI = Convergence Sublayer Indicator
CSMA/CD = Carrier Sense Multiple Access/Collision Detect
CSPDN = Circuit Switched Public Data Network
CS-PDU = Convergence Layer PDU
CST = Convergence Sublayer Trailer
CSU = Channel Service Unit
CT = Channel Termination
CT = Computer Telephony
CTS = Clear to Send
CTS = Customer Test Service
CU = Channel Unit
CUG = Closed User Group
CV = Coding Violation
CVSD = Continuously Variable Slope Delta Modulation
CWC = Center Weighted Control
CXR = Carrier
 

Copyright 2002-2017 IBEX Systems   All rights reserved.  No reproduction without written permission. 

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D = Delta or Data
D/I = Drop and Insert
D3 = Third generation channel bank (24 channels on T1)
D4 = Fourth generation channel bank (48 channels on 2T1's or T1C)
DA = Destination Address
DACS = Digital Access & Cross-Connect System
DAS = Dual Attached Station
DASD = Direct Access Storage Device
DASS = Digital Access Signaling System
DAVIC = Digital Audio Video Council
dB = deciBell
dBm = dB relative to one milliwatt
DBN = Dial-Back Number
dBrn = dB relative to noise
dBrnc = dB relative to noise (C-Notch or C-Message)
DBS = Direct Broadcast Satellite
DCA = Distributed Comm Channel
DCB = Digital Channel Bank
DCC = Data Comm Channel
DCC = Digital Cross Connect
DCC = Direct Connect Card
DCCX = Direct Circuit Control Exchange
DCD = Digital Clock Distributor
DCE = Data Circuit-terminating Equipment
DCE = Data Communications Equipment
DCF = Distributed Coordination Function
DCF = Dispersion Compensating Fiber
DCN = Data Communications Network
DCS = Digital Cross-connect System
DDCMP = Digital Data Comm Msg Protocol
DDD = Direct Distance Dialing
DDS = Dataphone Digital Service (registered trademark of AT&T C0.)
DDS = Digital Data Service
DDS/SC = Digital Data Svc w/ Secondary Channel
DDSD = Delay Dial Start Dial
DE = Discard Eligibility
DF = Distributing Frame
DFC = Data Flow Control
DFL = Distributed Feedback Laser
DFRI = Datacom Reference Frame Input
DHCP = Dynamic Host Configuration Protocol
DID = Directed Inward Dialing
DL = Data Link
DLC = Data Link Connection
DLC = Digital Loop Carrier
DLCI = Data Link Connection Identifier
DM = Disconnected Mode
DMI = Digital Multiplex Interface
DMPB = Digital Multipoint Bridging
DMPU = Derived MAC Protocol Data Unit
DMS = Digital Multiplex System
DMT = Discrete Multitone
DN = Directory Number
DNIC = Data Network Identification Code
DNIC = Data Network Interface (2B+D ISDN)
DNIC = Data Network Interface Circuit
DNIS = Dialed Number Identification Service
DNS = Domain Name System
DOCSIS = Data Over Cable Service Interface Specification
DoV = Data Over Voice
DP = Dial Pulse
DPA = Distributed Power Architecture
DPBX = Digital Private Brance Exchange
DPC = Destination Signal Transfer Point Code
DPCM = Differential Pulse Code Modulation
DPDU = Data (link) Protocol Data Unit
DPL = Digital Power Line
DPNSS = Digital Private Network Signaling System
DPO = Dial Pulse Originate
DPT = Dial Pulse Terminate
DPT = Dynamic Packet Transport
DQDB = Distributed Queue Dual Bus
DS-0 = Digital Signal level Zero (64Kbps data/voice channel)
DS-1 = Digital Signal Level One (1.544 Mbps = 24 DSO))
DS-2 = Digital Signal Level Two (6.312 Mbps = DS1 x 4 mux = 96 DS0)
DS-3 = Digital Signal Level Three (44.736 Mbps = DS2 x 7 mux = 672 DS0)
DSAP = Destination Service Access Point
DSG = Default Slot Generator
DSI = Digital Speech Interpolation
DSL = Digital Subscriber Line
DSLAM = Digital Subscriber Line Access Multiplexer
DSP = Digital Signal Processor
DSP = Display System Protocol
DSS1 = D-channel Signaling System 1
DSSS = Direct Sequence Spread Spectrum
DSU = Digital Service Unit
DSU = Data Service Unit
DSX = Digital Signal Cross-connect
DT = Data Transfer
DTAU = Digital Test Access Unit
DTE = Data Terminal Equipment
DTF = Dial Tone First
DTF = Digital Transmission Facility
DTI = Digital Trunk Interface
DTMF = Dual Tone Multiple Frequency
DTR = Data Terminal Ready
DTS = Digital Terminal Systems
DTU = Data Terminal Unit
DTX-1 = Digital Sig Cross-connect - Level 1 (DS1)
DUP = Data User Part
DUS = Do not Use for Synch
DVI = Digital Video Interactive
DVI = Digital Video Interleaved
DWDM = Dense Wavelength Division Multiplexing
DX = Duplex
DXC = Digital Cross Connect
DXI = Data Exchange Interface
E-1 = European T-1" (DS-1) at 2.048 Mbps"
EA = Extended Address (bit)
EAI = Enterprise Application Integration
EBCDIC = Extended Binary Coded Decimal Information Code
EBU = European Broadcasting
EC = Echo Canceling
EC = Error Correction
ECC = Error Checking Code
ECN = Explicit Congestion Notification
EC-n = Electrical Carrier (e.g., EC-1)
ECSA = Exchange Carriers Standards Assoc
ED = Ending Delimiter
EDFA = Erbium-Doped Fiber Amplifier
EDI = Electronic Data Interchange
EDSX = Electronic Digital Signal Cross-Connect
EFCI = Explicit Forward Congestion Indication
EFD = Event Forwarding Discriminator
EFS = Error Free Seconds
EGP = Exterior Gateway Protocol
ELEC = Ethernet Local Exchange Carrier
ELFEXT = Equal Level Far End Crosstalk
EM = Element Manager
EMI = Electromagnetic Interference
EML = Element Management Layer
EMS = Element Management System
ENQ = Enquiry
EOC = Embedded Operations Channel
EOC = Embedded Overhead Channel
EOM = End of Message
EOT = End of Transmission
EPSCS = Enhanced Private Switch Controlled System
EPSCS = Enhanced Pvt Switched Comm Service
ERL = Echo Return Loss
ERM = Explicit Rate Marketing
ERS = Errored Second
ES = Errorred Second
ES = End System
ESB = Errored Second type B
ESF = Extended Superframe Format
ESFDL = Extended Super Frame Data-Link
ESG = Enhanced Service Gateway
ESS = Electronic Switching System
ET = Exchange Termination
ETAG = End of TAG
ETN = Electronic Tandem Network
ETO = Equalized Transmit Only
ETSI = European Telecommunications Standards Institute
ETX = End of Text
EXZ = Excess Zeros
F = Final/Framing
FAD = Frame Assembler/Disassembler
FADU = File Access Data Unit
FAS = Frame Alignment Signal
FAW = Frame Alignment Word
FB = Framing Bit
FBWA = Fixed Broadband Wireless Access
FC = Frame Control
FCC = Federal Communications Commission
FCOT = Fiber optic Central Office Terminal
FCS = Frame Check Sequence
FDDI = Fiber Distributed Data Interface
FDI = Feeder Distribution Interface
FDL = Facilities Data Link
FDM = Frequency Division Multiplexing
FDMA = Frequency Division Multiple Access
FE = Frame synchronization bit error Event
FEA = Far End Alarm
FEAC = Far End Alarm and Control
FEBE = Far End Block Error
FEBE-f = Far End Block Error Count - fast data
FEBE-i = Far End Block Error Count - interleaved data
FEC = Forward Error Correction
FECC-f = Forward Error Correction Count - fast data
FECC-i = Forward Error Correction Count - interleaved data
FECN = Forward Explicit Congestion Notification
FELB = Far End Loop Back
FEP = Front-End Processor
FERF = Far End Receive Failure
FEXT = Far-End Cross Talk
FGA = Feature Group A
FH = Frame Handler
FHSS = Frequency Hopping Spread Spectrum
FI = Facility Identification
FIB = Forward Indicator Bit
FIC = Frame Identification Code
FID = Format IDentification
FIFO = First In/First Out
FISU = Fill-In Signaling Unit
FITL = Fiber In The Loop
FLL = Fixed Loss Loop
FO = Fiber Optic
FOTS = Fiber Optical Transmission System
FP = Function Processor
FPDU = Frame relay Protocol Data Unit
FPS = Framing Pattern Sequence
FR = Frame Relay
FR PVC = Frame Relay Permanent Virtual Connection
FRAD = Frame Relay Assembler/Disassembler
FRAD = Frame Relay Access Device
FRATM = Frame Relay Asynch Transfer Mode
FRBS = Frame Relay Bearer Service
FRF-LMI = Frame Relay Forum - Local Management Interface
FRI = Frame Relay Interface
FRNNI = Frame Relay Net to Net Interworking
FRS = Frame Relay Service
FRS = Frame Relay Switch
FRSS = Frame Relay Switching System
FRUNI = Frame Relay User Network Interface
FR-SSCS = Frame Relay Service Specific Convergence Sub-layer
FS = Failed Second
FS = Frame Status
FSK = Frequency Shift Keying
FSN = Forward Sequence Number
FT-1 = Fractional T-1
FTAM = File Transfer, Access, & Mgmt
FTP = File Transfer Protocol
FTSC = Federal Telecommunications Standards Committee
FTTC = Fiber to the Curb
FTTH = Fiber to the House
FTTL = Fiber to the Loop
FTTN = Fiber to the Neighborhood
FUNI = Frame (relay) User Network Interface
FX = Foreign Exchange
FXO = Foreign Exchange Office
FXS = Foreign Exchange Subscriber
FXS = Foreign Exchange Station
 

Copyright 2002-2017 IBEX Systems   All rights reserved.  No reproduction without written permission. 

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GBS = General Broadcast Server
GFC = Generic Flow Control
GFI = General Format Identifier
GGP = Gateway to Gateway Protocol
GGSN = Gateway GPRS Support Node
GNE = Gateway Network Element
GOS = Grade of Service
GOSIP = Government Open System Interconnection Profiles
GPRS = General Packet Radio Service/System
GPS = Global Positioning System
GS = Ground Start
GSM = Global System for Mobile (telecommunications)
GTF = GPS Time & Frequence
GTXC = Global Telephone Exchange Carrier
HCDS = High Capacity Digital Service
HCM = High Capacity Multiplexing
HCS = Header Check Sequence
HCV = High Capacity Voice
HDB3 = High-Density Bipolar Three-Bit substitution
HDLC = High-level Data Link Control
HDML = Handheld Device Markup Language
HDSL = High bit-rate Digital Subscriber Line
HDSL2 = High bit-rate Digital Subscriber Line w/ 6dB noise margin
HDT = Host Digital Terminal
HDTV = High Density TeleVision
HE = Header Extension
HEC = Header Error Control
HEL = Header Extension Length
HFC = Hybrid Fiber Coax
HIPPI = HIgh-speed Peripheral Parallel Interface
HLF = Higher Layer Functions
HLM = Heterogeneous LAN Mgmt
HLPI = High Layer Protocol Identifier
HLR = Home Location Register
HOPS = Horizontally Oriented Protocol Structure
HPAD = Host Packet Assembler-Disassembler
HRC = Hybrid Ring Control
HSCWD = High Speed Circuit Switched Data
HSSI = High Speed Serial Interface
HTML = Hypertext Markup Language
HTTP = Hypertext Transfer Protocol
HTU = HDSL Transmission Unit
HTU-C = HDSL Transmission Unit - Central Office
HTU-R = HDSL Transmission Unit - Remote
IA = Integrated Access
IAB = Internet Advisory Board
IAD = Integrated Access Device
IAM = Initial Address Message
IAT = Integrated Access Terminal
IBEX = Information Business EXchange - www.ibexsystems.com
IBR = Intermediate Bit Rate
ICB = Individual Case Basis
ICCF = Interexchange Carrier Compatibility Forum
ICI = InterCarier Interface
ICIP = Inter-Carrier Interface Protocol
ICL = Inserted Connection Loss
ICMP = Internet Control Message Protocol
IC-POT = Interexchange Carrier-Point of Termination
ID = Identification
IDCP = Internet Device Control Protocol
IDF = Intermediate Distribution Frame
IDLC = Integrated Digital Loop Carrier
IDS = Intrusion Detection System
IDT = Information Distribution Company
IDT = Integrated Digital Terminal
IDU = Interface Data Unit
IE = Information Element
IEC = Interexchange Carrier
IEEE = Institute of Electrical and Electronics Engineers
IETF = Internet Engineering Task Force
I-Frame = Information Frame
IG = Interface Group
IGP = Interior Gateway Protocol
IGRP = Interior Gateway Routing Protocol
IIME = Intra-network, Inter-SSS Mapping Entity
IIS = Internet Information Server
IISP = Interim Interswitch Signaling Protocol
ILEC = Incumbent/Independent Local Exchange Carrier
ILMI = Interim Local Management Interface
ILRM = Interim Local Management Interface
IMP = Interface Message Processors
IMPDU = Initial MAC Protocol Data Unit
IMS = Interactive Multimedia Server
IMSI = International Mobile Subscriber Identity
IN = Intelligent Network
INA = Information Network Architecture
IND = Indication
INE = Intelligent Network Element
INE = Intelligent Network Element
IO = Inter-Office
IOC = Inter-Office Channel
IOC = Inter-Office Channel
IP = Intelligent Peripheral
IP = Internet Protocol
IPM = Interpersonal Messaging System
IPS = Instructions Per Second
IPSec = Internet Protocol Security
IPX = Internet Packet eXchange
IRIG = Inter Range Instruction Group
IS = Intermediate System
ISDN = Integrated Services Digital Network
ISDNUP = Integrated Services Digital Network User Part
ISDU = Isochronous Service Data Unit
ISID = Idle Signal Identification
ISM = Instrumentation, Scientific, and Medical
ISO = Intn'l Standards Organization
ISP = Internet Service Provider
ISSI = Inter-Switching System Interface
ISSIP = Inter-Switching System Interface Protocol
ISSP = Interim Interswitch Signaling Protocol
ISUP = ISDN User Part
ITFS = Instructional Television Fixed Services
ITU = International Telecommunication Union
IWF = InterWorking Function
IWU = InterWorking Unit
IXC = IntereXchange Carrier
JIS = Jurisdictional Interstate Service
JPEG = Joint Picture Expert Group
L2-PDU = Layer 2 Protocol Data Unit
LAN = Local Area Network
LAN PHY = LAN Physical Layer
LANE = LAN Emulation
LANE = Local Area Network Emulation
LAPB = Link Access Protocol Balanced
LAPD = Link Access Procedure D channel
LAPF = Link Access Protocol Frame relay
LATA = Local Access & Transport Area
LAW = Local Area Wireless
LBO = Line Build Out
LCA = Line Circut Address
LCGN = Logical Channel Group Number
LCI = Logical Connection Identifier
LCN = Logical Channel Number
LCP = Link Control Protocol
LCS = Lan Configuration Server
LDAP = Lightweight Directory Access Protocol
LDC = LATA Distribution Channel
LDM = Limited Distance Modem
LDS = Local Digital Switch
LEC = Lan Emulation Client
LEC = Local Exchange Carrier
LEN = Local Exchange Node
LEN = Line Equipment Number
LES = Lan Emulation Server
LET = Line Equipment Transfer
LFC = Local Functional Capabilities
LGE = Loop- or Ground-Start Exchange
LGS = Loop- or Ground-Start Subscriber
LI = Length Indicator
LIDB = Line Information Database
LIU = Line Interface Unit
LLB = Line Loop Back
LLC = Low Layer Compatibility
LLC = Logical Link Connection
LLC = Logical Link Control
LLDL = Low Level Data Link
LMC = Loop Maintenance Center
LMDS = Local Multipoint Distribution Service
LME = Layer Management Entity
LMI = Local Mgmt Interface
LMOS = Loop Maintenance Operations System
LMU = Line Monitor Unit
LNNI = Lan emulation Network-to-Net Interface
LNP = Local Number Portability
LOF = Loss Of Frame
LOH = Line Overhead
LOP = Loss Of Pointer
LOP-L = Loss Of Pointer - Line
LOP-P = Loss Of Pointer - Path
LOP-V = Loss Of Pointer - Virtual
LOS = Line Of Sight
LOS = Loss Of Signal
LOSW = Loss Of Synchronous Word
LPC = Linear Predictive Coding
LPDP = Local Policy Decision Point
LPR = Local Primary Reference
LPU = Line Protection Unit
LRB = Loop Reverse Battery
LRN = Local Routing Number
LS = Loop Start
LSAP = Link Service Access Point
LSB = Least Significant Bit
LSMS = Local Service Management System
LSOA = Local Service Order Administration
LSSU = Link Status Signaling Unit
LSSU = Link Status Signal Unit
LT = Line Termination
LTC = Longitudinal Time Code
LTE = Line Terminating Equipment
LTE = Line Terminal Equipment
LU = Logical Unit
LULT = Line Unit/Line Termination
LUNI = Lan emulation UNI
L-UNI = Lan emulation User Network Interface
LUNT = Line Unit Network Termination
LXT = Local Exchange Terminal
MAC = Media Access Control
MAC = Media Access Control
MAN = Metropolitan Area Network
MAN = Metropolitan Area Network
MAPDU = Management Application Protocol Data Unit
MAU = Media/Multiple Access Unit
MCU = Multiplexer Control Unit
MDCP = Media Device Control Protocol
MDEV = Mean time DEViation
MDF = Main Distribution Frame
MDS = Multipoint Distribution Service
MDTP = Media Device Transport Protocol
MF = Multiple Frequency
MFAS = Multi-Frame Alignment Signal
MGCP = Media Gateway Control Protocol
MGCP = Media Gateway Control Protocol
MIB = Management Information Base
MID = Muliplex Identifier
MID = Message Identifier
MIME = Multipurpose Internet Mail Extension
MIPS = Million Instructions Per Second
MIS = Mgmt Info System
MIS = Mgmt Info System
MIX = Multimedia Internet Exchange
MLHG = Multi-Line Hunt Group
MLM = Multi-Longitudinal Mode
MLT = Metalic Loop Test
MMDS = Multichannel Multipoint Distribution Service
MMDS = Multimedia Data Services
MMDX = Multimedia Data Services
MO = Managed Object
MOC = Managed Object Classes
MPEG = Motion Picture Expert Group
MPL = Maximum Packet Lifetime
M-PLANE = Management Plane
MPLS = Multi-Protocol Label Switching
MPLS = Multi-Protocol Layer Switching
MPoA = Multiple Protocol over ATM
MRF = Multilink Frame Relay
MSA = Metropolitan Statistical Area
MSDM = Multipoint Substrate Data Mux
MSF = Mean Switching Frequency
MSO = Multiple Service Operator
MSP = Maintenance Svc Provider
MSS = MAN Switching System
MSS = MAN Switching System
MSU = Message Signaling Unit
MTAU = Metalic Test Access Unit
MTP = Message Transfer Part
MTIE = Maximum Time Interval Error
MTS = Message Telephone System
MTSO = Mobile Telephone Switching Office
MTU = Max Trans Unit
MTU = Max Trans Unit
MUB = MultiUse Bearer service
MUX = Multiplexer
MVC = Multicast Virtual Circuit
MVNO = Mobile Virtual Network Operator

Copyright 2002-2017 IBEX Systems   All rights reserved.  No reproduction without written permission. 

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N(r) = Receive Sequence Number
N(s) = Send Sequence Number
NADH = North American Digital Hierarchy
NAK = Negative Acknowledgement
NANP = North American Numbering Plan
NAS = Network Attached Storage
NAT = Network Attached Storage
NAT = Network Address Translation
NC = Network Channel
NCC = Network Communications Controller
NCI = Network Channel Interface
NCP = Network Control Program
NCP = Network Control Point
NCP = Network Control Protocol
NCTE = Network Channel Terminating Equipment
NDF = New Data Flag
NE = Network Element
NEXT = Near End Cross Talk
NFAS = Non-associated Facility Signaling
NGDLC = Next Generation Digital Loop Carrier
NGN = Next Generation Network
NI = Network Interface
NI-1 = National ISDN-1
NI-2 = National ISDN-2
NIC = Network Interface Card
N-ISDN = Narrowband ISDN
NIST = National Inst Stds + Tech
NIU = Network Interface Unit
NLOS = Near Line of Sight
NLPID = Network Level Protocol ID
NMA = Network Management and Administration
NMA = Network Monitoring and Analysis
NMC = Network Management Center
NML = Network Management Layer
NMP = Network Management Protocol
NMS = Network Management System
NNI = Network Network Interface
NNI = Network Node Interface
NNI = Network-to-Network Interface
NNTP = Network News Transport Protocol
NOC = Network Operations Center
NOS = Network Operating System
NOTE = Network Office Terminating Equipment
NPA = Numbering Plan Area
NPAC = Number Portability Administration Center
NPDU = Network Protocol Data Unit
NPRN = Network Performance Report Message
NPSI = Network Packet Switching Interface
NRIC = National Reliability and Interoperability Council
NRSC = Network Reliability Steering Committee
NRZ = Non-Return-To-Zero
NS = Network Supervision
NSA = Non-Service Affecting
NSAP = Network Service Access Point
NSC = Network Service Center
NSDU = Network Service Data Unit
NSI = Network Service Interface
NSO = Network Synch Operation
NTE = Network Terminating Equipment
NTP = Network Time Protocol
NT-n = Network Termination - n
NUI = Network User Interface
NYIIX = New York International Internet Exchange
OA&M = Operations, Administration, & Maint
OADM = Optical Add-Drop Multiplexer
OAM = Operation And Maintenance
OAM&P = Opns, Admin, Maint, & Provisioning
OAM&P = Operations, Administration, Maintenance
OAMP = Operations, Administration, Maintenance, Provisioning
OC = Optical Carrier
OC-1 = Optical Carrier Level 1 (51.84 Mbps)
OC-12 = Optical Carrier Level 12 (622.08 Mbps)
OC-3 = Optical Carrier Level 3 (155.52 Mbps)
OC-N = Optical Carrier Level N
OC-n = Optical Carrier (e.g., OC-3)
OCU = Office Channel Unit
OCUDP = Office Channel Unit Data Port
OCXO = Ovenized Crystal Oscillator
OC-x = Optical Carrier (e.g., OC-3)
OE = Originating Equipment
OEO = Optical-Electrical-Optical
OFA = Optical Fiber Amplifier
OFDM = Orthogonal Frequency Division Multiplexing
OH = Overhead
OID = Organizational ID
OIM = Operations Interface Module
OLNS = Originating Line Number Screening
OLP = On-Line Provisioning
OM = Operational Measurement
ONA = Open Network Architecture
ONI = Operator Number Identification
ONU = Optical Network Unit
OOD = Object Oriented Design
OOF = Out Of Frame
OOS = Out of Synchronization
OOS = Out Of Service
OOS = Out Of Synchronization
OPN = Outage Performance Monitoring
OPS/INE = Operations System/Intelligent Network Element
OPX = Off-Premises Extension
OR = Office Regenerator
ORB = Office Repeater Bay
OS = Operating System
OS = Operations System
OSI = Open Systems Interconnection
OSI = Open System Interface
OSPF = Open Shortest Path First
OSS = Operations Support System
OSS = Operator Services System
OTC = Operating Company
OTDR = Optical Time Domain Reflectometer
OUI = Organizationally Unique Identifier
OW = Order Wire
P/F = Poll/Final bit
PA = Pointer Adjustment
PABX = Private Automatic Branch Exchange
PAD = Packet Assembler/Disassembler
PAM = Pulse Amplitude Modulation
PAW = Personal Area Wireless
PBX = Private Branch Exchange
PC = Path Control
PCF = Point Coordination Function
PCI = Protocol Control Info
PCI = Physical Channel Interface
PCM = Pulse Code Modulation
PCMCIA = Personal Computer Memory Card International Association
PCR = Peak Cell Rate
PCS = Personal Communications Services
PCTF = Per-Call Test Failure
PCU = Packet Control Unit
PD = Protocol Discriminator
PDH = Plesiochronous Digital Hierarchy
PDI V = Payload Defect Indicator - Virtual
PDI-P = Payload Defect Indicator - Path
PDN = Packet Data Network
PDN = Public Data Network
PDP = Policy Decision Point
PDU = Protocol Data Unit
PEP = Policy Enforcement Point
PFDL = Policy Framework Definition Language
PFM = Packet Forwarding module
PGS = Pair Gain System
PHF = Packet Handling Function
PHS = Packet Handling System
PHY = PHYsical layer
PHYM = Physical Layer Management
PHY-PCI = Physical Layer Protocol Control Information
PHY-SAP = Physical Layer-Service Access Point
PHY-SDU = Physical Layer-Service Data Unit
PIB = Policy Information Base
PID = Process/Protocol ID
PID = Path Identification
PING = Packet INternet Groper
PIP = Pre-Impulsing Pulse
PJC = Pointer Justification Count
PKI = Public Key Infrastructure
PL = Pad Length
PL = Private Line
PLA = Programmable Logic Array
PLAR = Private Line Automatic Ringdown
PLB = Payload Loop Back
PLC = Power Line Carrier
PLCP = Physical Layer Convergence Protocol
PLCP = Physical Layer Convergence Protocol
PLLC = Permanent Logical Link Connection
PLS = Private Line service
PM = Performance Monitoring
PMD = Physical Media Dependent
PMD = Packet Mode Data
PMD = Physical Media Dependent
PNNI = Private Network-to-Network Interface
PNNI = Private Network Node Interface
POH = Path Overhead
PON = Passive Optical Network
POP = Point Of Presence
POP = Post Office Protocol
POR = Path Oriented Routing System
PoS = Packet Over SONET
POS = Point of Sale
POT = Point Of Termination
POTS = Plain Old Telephone Service
PPDN = Public Packet Data Network
PPDU = Presentation PDU
PPP = Point to Point Protocol
PPS = Packets Per Second
PPSN = Public Packet Switched Network
PRA = Primary Rate Access
PRBS = Pseudo-Random Binary Sequence
PRBS = Pseudo-Random Bit Sequence
PRC = Primary Reference Clock
PRCA = Proportional Rate Control Algorithm
PRD = Pseudo-Random Downstream
PRI = Primary Rate Interface (ISDN)
PRM = Protocol Reference Model
PRM = Performance Report Message
PRS/R = Primary Reference Source/Receiver
PRU = Pseudo-Random Upstream
PS = Protection Switching
PSDM = Premium Substrate Data Mux
PSDS = Public Switched Digital Service
PSELFEXT = Power Sum Equal Far End Cross Talk
PSK = Pulse Shift Keying
PSM = Precision Synchronization Monitoring
PSN = Packet Switched Network
PSNEXT = Power Sum Near End Cross Talk
PSTN = Public Switched Telephone Network
PSX = Power System Exchange
PT = Payload Type
PTE = Path Terminating Equipment
PTI = Payload Type Indicator
PTM = Packet Transfer Mode
PTT = Postal, Telephone and Telegraph Authority
PTT = Push To Talk
PU = Physical Unit
PU = Policing Unit
PVC = Permanent Virtual Circuit/Connection

 

Copyright 2002-2017 IBEX Systems   All rights reserved.  No reproduction without written permission. 

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Q = Quiet
Q.SAAL = Q.Signal Atm Adaptation Layer
QA = Queued Arbitrated
QAM = Quadrature Amplitude Modulation
QL = Quality Level
QLLC = Qualified Logical Link Control
QoS = Quality of Service
QPA = Quality Performance Analysis
QRS = Quasi Random Signal
QRSS = Quasi Random Signal Sequence
R = Ring
RACF = Remote Access Control Facility
RAD = Remote Antenna Driver
RAI = Remote Alarm Indication
RALB = Resource All Busy
RARP = Reverse Address Resolution Ptotocol
RAS = Remote Access Server
RAS = Remote Access Service
RASP = Remote Antenna Signal Processing
RBOC = Regional Bell Operating Company
RBS = Robbed Bit Signaling
RCV = Receive
RDA = Remote Database Access
RDF = Remote Distribution Frame
RDI = Remote Defect Indicator
RDI-L = Remote Defect Indicator - Loop
RDI-P = Remote Defect Indicator - Path
RDI-V = Remote Defect Indicator - Virtual
RDT = Remote Digital Terminal
RE = Relaying Entity
REJ = REJect, S-format
REL = RELease
REN = Ringer Equivalent Number
RES = REServed for network synchronization
RFCs = Request For Comments
RFI = Radio Frequency Interference
RFT = Remote Fiber Terminal
RI = Routing Indicator
RIM = Request Initialization Mode
RIP = Routing Information Protocol
RLCI = Receive Line Clock Input
RLDI = Receive Line Data Input
RM = Record Marking
RM = Resource Management
RMN = Remote Multiplexer Node
RNC = Radio Network Controller
RNR = Receiver Not Ready
RO = Remote Oscillator
ROH = Receiver Off Hook
ROS = Remote Operations Service
ROSE = Remote Operations Service Element
RPOA = Recognized Private Operating Agency
RPR = Resilient Packet Ring
RR = Ready Receive
RSL = Request & Status Link
RSS = Remote Switching Sites
RSS = Remote Switching System
RSU = Remote Switching Unit
RT = Remote Terminal
RTA = Rural Trading Area
RTHC = Remote Track and Hold Clock
RTS = Request To Send
RTU = Remote test Unit
RU = Request/response Unit
RVI = Reverse Interrupt
RX = Receive
RZ = Return to Zero
S = Supervisory frame
SA = Service Affecting
SA = Source Address
SAA = Service Adaptive Access
SABM = Set Asynchronous Balanced Mode
SAI = System Alarm Interface
SAM = Service Access Multiplexer
SAMI = SAM Interface
SAN = Storage Area Network
SAP = Service Access Point
SAPI = Service Access Point Indetifier
SAR = Segmentation And Reassembly
SARM = Set Asynchronous Response Mode
SAR-PDU = Segmentation and Reassembly PDU
SAS = Single Attached Station
SBX = Small Business Exchange
SC = Sequence Count
SCAI = Switch-to-Computer Applications Interface
SCC = Switching Control Center
SCCP = Signaling Connection Control Part
SCCS = Switching Control Center System
SCE = Service Creation Environment
SC-FDE = Single Carrier Frequency Domain Equalization
SCIU = Synch Clock Insertion Unit
SCP = Service Control Point
SCR = Sustainable Cell Rate
SD = Starting Delimiter
SDCU = Synchronous Data Channel Unit
SDDN = Software Defined Data Network
SDH = Synchronous Digital Hierarchy (SONET)
SDLC = Synchronous Data Link Control
SDM = Subrate Data Multiplexer
SDN = Software Defined Network
SDP = Session Description Protocol
SDP = Service Definition and Provisioning
SDP = Session Description Protocol
SDS = Switched Digital Service
SDSL = Symmetric Digital Subscriber Line
SDU = Service Data Unit
SE = Switching Element
SEAL = Simple & Efficient Adaptation Layer
SEC = SDH Equipment Clock
SEFL = Single Ended Fault Locating
SEP = Signalling End Point
SES = Severely Errored Second
SF = SuperFrame
SF = Single Frequency
SFD = Start Frame Delimiter
S-Frame = Supervisory Frame
SGCP = Simple Gateway Control Protocol
SGML = Standard Generic Markup Language
SGSN = Serving GPRS Support Node
SH = SAR Sublayer Header
SHR = Self-Healing Ring
SI = Sequenced Information
SIF = Signaling Information Field
SINAD = Signal-to-Noise Plus Distortion (ratio)
SIO = Service Information Octet
SIP = SMDS Interface Protocol
SIP = Session Initiation Protocol
SIPS = SMDS Interface Protocol
SIR = Sustained Information Rate
SIT = Special Information Tone
SL = Service Layer
SLA = Service Level Agreement
SLC = Subscriber Loop Carrier
SLIC = Subscriber Line Interface Card
SLIP = Serial Line Interface Protocol
SLIP = Serial LIne Internet Protocol
SLLC = Switched Logic Link Connection
SMASE = Systems Management Application Service Element
SMC = Switch Maintenance Center
SMC = SONET Minimum Clock
SMDF = Subscriber Maintenance Distributing Frame
SMDS = Switched Multi-megabit Data Service
SMF = Single Mode Fiber
SML = Service Management Layer
SMP = SONET Min Clock
SMPTE = Society of Motion Picture Tv Eng
SMS = Service Management System
SMS = Short Message Service
SMT = Station Management
SMTP = Simple Mail Transfer Protocol
SN = Sequence Number
SNA = Systems Network Architecture
SNAP = Sub Network Access Protocol
SNI = Subscriber-Network Interface
SNMP = Simple Network Mgmt Protocol
SNTP = Simplified Network Time Protocol
SNP = Sequence Number Protection
SNR = Signal to Noise Ratio
SO = Serving Office
SO/S = Smart Omni-Orderwire Station
SOA = Service Order Administration
SOH = Section Overhead
SOH = Start Of Header
SOHO = Small Office/Home Office
SONET = Synchronous Optical Network
SP = SAR Sublayer Payload
SPANS = Simple Protocol for ATM Net Solutions
SPC = Stored Program Control
SPCS = Stored Program Control System
SPE = Synchronous Payload Envelope
SPID = Service Profile ID
SPN = Subscriber Premises Network
SPQR = Senatus et Populus Qui Roma
SPRM = Supplementary Performance Report Message
SQL = Synch Quality Level
SQR = Signal to Quantizing noise Ratio
SRL = Singing Return Loss
SRP = Spatial Reuse Protocol
SRTS = Synchronous Residual Time Stamp
SS = Supervisory Center
SS7 = Signaling System 7
SSCOP = Svc Specific Connection Oriented Protocol
SSCS = Service Specific Convergence Sublayer
SSL = Secure Socket Layer
SSM = Single Segment Message
SSM = Synchronization Status Message
SSP = Service Switching Point
SSS = SMDS Switching System
SSU = Session Support Utility
SSU = Synch Supply Unit
ST = Segment Type
ST = SAR Sublayer Trailer
ST2E = Stratum 2 Enhanced (rubidium clock)
ST3E = Stratum 3 Enhanced (quartz clock)
STDM = Statistical Time Division Multiplexer
STE = Section Terminating Eqpt
STE = Section Terminal Equipment
STM = Synchronous Transport Mode
STM = Synchronous Transfer Module
STP = Signal Transfer Point
STP = Spanning Tree Protocol
STP = Shielded Twisted Pair
STP = Signaling Transfer Point
STP = Shielded Twisted Pair
STS = Synchronous Transport Signal
STS = Synchronous Transfer Signal
STS-1 = Synchronous Transport Signal (level)-1 (51.84 Mbps)
STS-3 = Synch Transport Signal - level 3 (155.52 Mpbs)
STS-3C = Synch Trans Sig - level 3 concatenated (155.52 Mpbs)
STS-N = Synchronous Transport Signal - Level N
STU = Straum/Synch Traceability Unknown
SU = Segmentation/Signaling Unit
SUERM = Signaling Unit Error Rate Monitor
SVC = Switched Virtual Circuit
SVC = Switched Virtual Call
SVC = Switched Virtual Connection
SWAP = Shared Wireless Access Protocol
SWF = Switched Fractional
SWF-DS1 = Switched Fractional DS1
SYN = Synchronization Character
SYNTRAN = SYNchronous TRANsmission
 

Copyright 2002-2017 IBEX Systems   All rights reserved.  No reproduction without written permission. 

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T = Tip
T-1 = DS-1 Rate Service (1.544 Mbps)
T-2 = DS-2 Rate Service (6.312 Mbps)
T-3 = DS-3 Rate Service (44.736 Mbps)
TA = Terminal Adapter/Transfer Arrangement
TAC = Terminal Access Circuit
TACS = Total Access Communications System
TALI = Transport Adapter Layer Interface
TAP = Test Access Path
TAPI = Telephony Application Programming Interface
TASI = Time Assigned Speech Interpolation
TAU = Test Access Unit
TAU = Average Time constant
TAXI = Transparent Asych Tx - rx Interface
TC = Transmission Convergence
TC = Transport Connection
TC = Terminating Channel
TCA = Threshold Crossing Alert
TCAP = Transaction Capabilities Application Part
TCM = Time Compression Multiplexing
TCM = Tandem Connection Maintenance
TCP = Transmission Control Protocol
TCP = Transport Control Protocol
TCP/IP = Transmission Control Protocol/Internet Protocol
TDEV = Time DEViation
TDM = Time Division Multiplexing
TDMA = Time Division Multiple Access
TDR = Time Domain Reflectometer
TE = Terminal Endpoint/Equipment
TEI = Terminal Endpoint Identifier
TELRIC = Total Element Long-Run Incremental Cost
TFO = Tandem Free Operation
TFTP = Trivial File Transfer Protocol
TG = Trunk Group
TH = Transmission Header
THL = Trans-Hybrid Loss
TIMS = Transmission Impairement Measuring Set
TIP = Terminal ID
TIRKS = Trunk Integrated Records Keeping System
TL1 = Transaction Language 1
TLP = Transmission Level Point
TLPU = Telecommunications Line Protector Unit
TLWS = Trunk and Line Work Station
TM = Traffic Management
TMC = Time slot Management Channel
TMN = Telecommunications Management Network
TN = Telephone Number
TNC = Transit Node Clock
TNC-E = Transit Node Clock - Enhanced
TOD = Time Of Day
TOH = Transport Overhead
ToS = Type of Service
TOS = Testing Operation System
TPAD = Terminal Packet Assembler/Disassembler
TPDDI = Twisted-Pair Distributed Data Interface
TPDU = Transport Protocol Data Unit
TPI = Tip-Party Identification
TR = Technical Reference
TRX = Tandem Repeater Exchange
TSC = Test System Controller
TSDU = Transport Service Data Unit
TSGR = Transport System Generic Requirements
TSI = Time Slot Interchange
TSID = Test Signal Identification
TSG = Timing Signal Generator
TSR = Terabit Switch Router
TTR = Timed Token Rotation
TTU = Tandem T-1 Unit
TVAR = Time VARiance
TX = Transmit
U = U interface
UAS = UnAvailable Seconds
UBR = Unspecified Bit Rate
UBS = Unknown & Broadcast Server
UDC = Universal Digital Channel
UDLC = Universal Digital Loop Carrier
UDP = Universal Data Protocol
UDP = User Datagram Protocol
UI = Unit Interval
UI = Unnumbered Information (frame)
UI-Frame = Unnumbered Information Frame
UMTS = Universal Mobile Telecommunications System
UNI = User Network Interface
UNI = User-to-Network Interface
UNICODE = UNIversal trunk-out-of-service Code
UPC = Usage Parameter Control
U-Plane = User Plane
UPS = Uninterruptible Power System
URL = Uniform Resource Locator
URL = Universal Resource Locator
USI = User System Interface
USOC = Universal Service Order Code
UTC = Universal Time Coordinated
UTP = Unshielded Twisted Pair
UU = User to User
VAN = Value Added Network
VAZO = Violating All-Zero Octet
VBR = Variable Bit Rate
VC = Virtual Container/Circuit
VC = Virtual Channel
VCC = Virtual Channel Connection
VCFC = Virtual Circuit Flow Control
VCI = Virtual Channel Identifier
VCI = Virtual Connection Identifier
VCI = Virtual Circuit Identifier
VCL = Virtual Channel Link
VCS = Virtual Circuit Switch
VCX = Virtual Channel Cross-connect
VDSL = Very high bit rate Digital Subscriber Line
VDT = Video Dial Tone
VF = Voice Frequency
VG = Voice Grade
VGPL = Voice Grade Private Line
VLAN = Virtual Local Area Network
VN = Virtual Network
VNS = Virtual Network System
VoATM = Voice Over ATM
VoB = Voice Over Broadband
VOD = Video On Demand
VoDSL = Voice Over DSL
VOFDM = Vector Orthogonal Frequency Division Multiplexing
VoFR = Voice Over Frame Relay
VoIP = Voice Over Internet Protocol
VP = Virtual Path
VPC = Virtual Path Connection
VPCI = Virtual Path Connection ID
VPI = Virtual Path Identifier
VPL = Virtual Path Link
VPN = Virtual Private Network
VPN = Virtual Private Network
VPT = Virtual Path Terminator
VPX = Virtual Path Cross-connect
VQC = Vector Quantizing Code
VQC = Voice Quantizing Code
VQL = Vector Quantizing Level
VQL = Variable Quantizing Level
VSAT = Very Small Aperature Satellite
VT = Virtual Terminal/Tributary
VT = Virtual Tributary
VTAM = Virtual Telecom Access Method
VTU = VCI Translation Unit
VXML = Voice Extensible Markup Language
WAN = Wide Area Network
WAN PHY = WAN Physical Layer
WAP = Wireless Application Protocol
WATS = Wide Area Telephone Service
WAW = Wide Area Wireless
WDCS = Wideband Digital Cross-connect
WDCX = Wideband and Broadband Digital Cross-connect
WDM = Wavelength Division Multiplexing
WECA = Wireless Ethernet Compatibility Alliance
WEP = Wired Equivalent Privacy
WFA = Work Force Administration
WFQ = Weighted Fair Queuing
WML = Wireless Markup Language
XA-FR = Exchange Access Frame Relay
XAME = eXchange Access Mapping Entity
XA-SMDS = Exchange Access Switched Multi-megabit Data Service
XC = Cross-Connect
XI = X Identification (frame)
XML = Extensible Markup Language
ZBTSI = Zero Byte Time-Slot Interchange
ZCS = Zero Code Suppression

Bc = Committed B

Copyright 2002-2017 IBEX Systems.  All rights reserved.  No reproduction without written permission. 

IBEX Systems
150 Greenfield Drive
Bloomingdale, IL  60108-3016 USA
tel:  630 307-3634  
www.ibexsystems.com

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