Abbreviations

100GAUI

100 Gb/s Attachment Unit Interface

10P

Label to indicate “pertains to 10PASS-TS port-type”

10P/2B

Label to indicate “pertains to 10PASS-TS and 2BASE-TL port-types”

2.5GPII

2.5 Gb/s PCS Internal Interface

2.5GSEI

2.5 Gb/s Storage Enclosure Interface

200GAUI-n

200 Gb/s Attachment Unit Interface over n lanes

200GMII

200 Gb/s Media Independent Interface

200GXS

200GMII Extender Sublayer

25GAUI

25 Gigabit Attachment Unit Interface

25GMII

25 Gigabit Media Independent Interface

2B

Label to indicate “pertains to 2BASE-TL port-type”

2-PAM

Two level pulse amplitude modulation

400GAUI-n

400 Gb/s Attachment Unit Interface over n lanes

400GMII

400 Gb/s Media Independent Interface

400GXS

400GMII Extender Sublayer

50GAUI

50 Gb/s Attachment Unit Interface

50GMII

50 Gb/s Media Independent Interface

5GSEI

5 Gb/s Storage Enclosure Interface

8802-3

ISO/IEC 8802-3 (IEEE Std 802.3)

8802-5

ISO/IEC 8802-5 (IEEE Std 802.5)

ACRF

Attenuation to crosstalk ratio, far-end

AFEXT

Alien FEXT

AIS

Alarm Indication Signal

ALSNR

Alien limited signal-to-noise ratio

AN

Auto-Negotiation

ANEXT

Alien NEXT

ANSI

American National Standards Institute

ASIC

Application-specific integrated circuit

ASN.1

Abstract Syntax Notation One as defined in ISO/IEC 8824:1990

AXI

Advanced Extensible Interface

AUI

Attachment unit interface

BCH

Bose, Ray-Chaudhuri, Hocquenghem

BER

Bit error ratio

BERT

Bit error ratio tester

BiDi

Bidirectional

BIP

Bit Interleaved Parity

BP

Backplane

BPSK

Binary phase shift keying

BR

Bit rate

BT

Bit time

C2C

Chip-to-chip

C2M

Chip-to-module

CAT3

Category 3 balanced cable

CAT4

Category 4 balanced cable

CAT5

Category 5 balanced cable

CAT6

Category 6 balanced cabling

CAUI-n

100 Gb/s Attachment Unit Interface over n lanes

CCDN

Coax cable distribution network

CD0

Clocked data zero

CD1

Clocked data one

CDR

Clock and data recovery

CGMII

100 Gb/s Media Independent Interface

CID

Company ID (in Clause 50, Consecutive Identical Digit)

CJPAT

Continuous jitter test pattern

CLT

Coax line terminal

CMIP

Common management information protocol as defined in ISO/IEC 9596-1:1991

CMIS

Common management information service as defined in ISO/IEC 9595:1991

CMOS

Complementary metal oxide semiconductor

CNU

Coax network unit

CO

Central office

COM

Channel Operating Margin

CP

Cyclic prefix

CPE

customer premises equipment

CPPI

100 Gb/s Parallel Physical Interface

CPR

coupled power ratio

CRC

cyclic redundancy check

CRPAT

continuous random test pattern

CRU

clock recovery unit

CRV

code rule violation

CS0

control signal zero

CS1

control signal one

CVH

clocked violation high

CVL

clocked violation low

CW

continuous wave

DA

destination address

DCD

duty cycle distortion

DCR

direct current resistance

DDJ

data dependent jitter

DFB

distributed feedback

DFE

decision feedback equalizer

DGD

differential group delay

DIC

deficit idle count

DJ

deterministic jitter

DLL

Data Link Layer

DME

Differential Manchester encoding

DMT

discrete multi-tone

DP-DQPSK

dual polarization differential quadrature phase shift keying

DPI

direct power injection

DQPSK

differential quadrature phase shift keying

DSL

digital subscriber line

DSQ

double square

DTE

data terminal equipment

DUT

device under test

DWDM

dense wavelength division multiplexing

ECH

envelope continuation header

EEE

Energy-Efficient Ethernet

EFM

Ethernet in the first mile

EIA

Electronic Industries Association

ELFEXT

equal-level far-end crosstalk

eMAC

express Media Access Control

EMC

electromagnetic compatibility

EMI

electromagnetic interference

EOB

end of burst delimiter

EPD

End_of_Packet delimiter

EPoC

EPON protocol over coax

EPON

Ethernet Passive Optical Network

EQ

envelope quantum

EQT

envelope quantum time

ERDI

Enhanced Remote Defect Indication

ERL

effective return loss

ESD

end of stream delimiter

ESH

envelope start header

FAS

frame alignment signal

FC-PH

Fibre Channel—Physical and Signaling Interface

FCS

frame check sequence

FDDI

Fibre Distributed Data Interface

FEC

Forward Error Correction

FECL

FEC Lane

FEXT

Far-End Crosstalk

FIFO

First In, First Out

FIR

Finite Impulse Response

FLP

Fast Link Pulse

FOIRL

Fiber Optic Inter-Repeater Link

FOMAU

Fiber Optic Medium Attachment Unit

FOMDI

Fiber Optic Medium Dependent Interface

FOPMA

Fiber Optic Physical Medium Attachment

FOTP

Fiber Optic Test Procedure

FSM

Finite State Machine

FSW

Frame Synchronization Word

GLID

Group Link ID

GMII

Gigabit Media Independent Interface

GMP

Generic Mapping Procedure (see ITU-T G.709)

GPON

Gigabit-capable Passive Optical Network (see ITU-T G.984.2 [B48])

gRS

Generic Reconciliation Sublayer

HCB

Host Compliance Board

HFC

Hybrid Fiber Coax

HH

Header Hub

IB

Indicator Bits

IEC

International Electrotechnical Commission

IFEC

Inverse RS-FEC

IH

Intermediate Hub

IPG

Interpacket Gap

IRL

Inter-Repeater Link

ISI

Intersymbol Interference Penalty

ISO

International Organization for Standardization

LACP

Link Aggregation Control Protocol

LACPDU

Link Aggregation Control Protocol Data Unit

LAG ID

Link Aggregation Group Identifier

LAN

Local Area Network

LAUI

50 Gb/s Attachment Unit Interface

LCD

Loss Of Code-Group Delineation

LCL

Longitudinal Conversion Loss Sdc11/Sdc22

LCTL

Longitudinal Conversion Transmission Loss Sdc12/Sdc21

LD

Local Device

LDPC

Low Density Parity Check

LED

Light Emitting Diode

LLC

Logical Link Control

LLDP

Link Layer Discovery Protocol (see IEEE Std 802.1AB-2009)

LLDPDU

LLDP Data Unit (see IEEE Std 802.1AB-2009)

LLID

Logical Link Identifier

LOF

Loss Of Framing

LOP

Loss Of Pointer

LOS

Loss Of Signal

LP

Link Partner

LPI

Low Power Idle

LSB

Least Significant Bit

LSDV

Link Segment Delay Value

LT

Line Termination

LVDS

Low-Voltage Differential Signals

MAC

Media Access Control

MACI

MA_CONTROL.indication

MACR

MA_CONTROL.request

MADI

MA_DATA.indication

MADR

MA_DATA.request

MAN

Metropolitan Area Network

MAU

Medium Attachment Unit

MC

Message Code

MCB

Module Compliance Board

MCRS

Multi-Channel Reconciliation Sublayer

MDAFEXT

Multiple Disturber Alien Far-End Crosstalk

MDANEXT

Multiple Disturber Alien Near-End Crosstalk

MDELFEXT

Multiple-Disturber Equal-Level Far-End Crosstalk

MDFEXT

Multiple-Disturber Far-End Crosstalk

MDI

Medium Dependent Interface

MDIO

Management Data Input/Output

MDNEXT

Multiple-Disturber Near-End Crosstalk

MER

Modulation Error Ratio

MFAS

Multi-Frame Alignment Signal

MFVS

Maintain Full Voltage Signature

MIB

Management Information Base

MII

Media Independent Interface

MLCC

Multi-Level Coset Code

MLID

Management Link ID

MMD

MDIO Manageable Device

MMF

Multimode Fiber

MMSI

MAC Merge Service Interface

MP

Message Page

MPCP

Multipoint Control Protocol

MPS

Maintain Power Signature

MSB

Most Significant Bit

Mux

Multiplexer

NEXT

Near-End Crosstalk

NID

Network Interface Device

NLP

Normal Link Pulse

NP

Next Page

NPA

Next Page Algorithm

NRZI

Non Return to Zero Invert on Ones

NT

Network Termination

NTT

Need To Transmit

OAM

Operations, Administration, and Maintenance

OAMPDU

OAM Protocol Data Unit

ODN

Optical Distribution Network

OFDM

Orthogonal Frequency Division Multiplexing

OFDMA

Orthogonal Frequency Division Multiple Access

OFL

Overfilled Launch

OFSTP

Optical Fiber System Test Procedure

OH

Overhead

OIF

Optical Internetworking Forum

OLT

Optical Line Terminal

OMA

Optical Modulation Amplitude

ONU

Optical Network Unit

OPU3

Optical Channel Payload Unit 3

ORLT

Optical Return Loss Tolerance

OSNR

Optical signal-to-noise ratio

OTN

Optical Transport Network

OUI

Organizationally Unique Identifier

P2MP

Point to Multipoint

P2P

Point to Point

P2PE

Point-to-Point Emulation

PAF

PME Aggregation Function

PAM

Pulse Amplitude Modulation

PCB

Printed Circuit Board

PCS

Physical Coding Sublayer

PCSL

PCS Lane

PD

Powered Device

PDB

Physical Data Block

PDU

Protocol Data Unit

PDV

Path Delay Value

PFC

Priority-based Flow Control

PHD

Physical Header Data

PHS

Physical Header Subframe

PHY

Physical Layer Device

PI

Power Interface

PICS

Protocol Implementation Conformance Statement

PIPO

Parallel In Parallel Out

PISO

Parallel In Serial Out

pk-pk

Peak-to-Peak

PLCA

Physical Layer Collision Avoidance

PLID

Physical Layer ID

PLL

Phase Locked Loop

PLM

Path Label Mismatch

PLS

Physical Signaling Sublayer

PMA

Physical Medium Attachment

pMAC

Preemptable Media Access Control

PMD

Physical Medium Dependent

PME

Physical Medium Entity

PMI

Physical Medium Independent

PMS-TC

Physical Media Specific - Transmission Convergence

PoDL

Power over Data Lines

PoE

Power over Ethernet

POF

Plastic Optical Fiber

ppd

Peak-to-Peak Differential

PRBS

Pseudo Random Bit Sequence

PSAACRF

Power Sum Alien Attenuation to Crosstalk Ratio Far-End

PSANEXT

Power Sum Alien Near-End Crosstalk

PSD

Power Spectral Density

PSE

Power Sourcing Equipment

PVV

Path Variability Value

QAM

Quadrature Amplitude Modulation

QC-LDPC

Quasi-Cyclic Low-Density Parity Check

RD

Running Disparity

REI

Remote Error Indication

RF

Radio Frequency

RFER

RS-FEC Frame Error Ratio

RFI

Radio Frequency Interference

RIN

Relative Intensity Noise

RJ

Random Jitter

RMS

Root Mean Square

ROFL

Radial Overfilled Launch

RS

Reconciliation Sublayer

RS-FEC

Reed-Solomon Forward Error Correction

RTT

Round Trip Time

SA

Source Address

SCB

Single Copy Broadcast

SCCP

Serial Communication Classification Protocol

SC-FEC

Staircase FEC

SDH

Synchronous Digital Hierarchy

SDV

Segment Delay Value

SEF

Severely Errored Frame

SELV

Safety Extra Low Voltage

SER

Symbol Error Ratio

SERDES

Serializer and Deserializer Circuit

SES

Severely Errored Second

SFD

Start-of-Frame Delimiter

SFDR

Spurious Free Dynamic Range

SHDSL

Single-Pair High-Speed Digital Subscriber Line

SIPO

Serial In Parallel Out

SI-POF

Step Index Plastic Optical Fiber

SLD

Start of LLID Delimiter

SMF

Single-Mode Fiber

SMSR

Side Mode Suppression Ratio

SNR

Signal-to-Noise Ratio

SONET

Synchronous Optical Network

SPD

Start_of_Packet Delimiter

SPE

Synchronous Payload Envelope

SR

Symbol Rate

SSD

Start-of-Stream Delimiter

ST

Symbol Time

STA

Station Management Entity

STP

Shielded Twisted Pair (copper)

STS

Synchronous Transport Signal

SVV

Segment Variability Value

TBI

Ten-Bit Interface

TC

Transmission Convergence

TCL

Transverse Conversion Loss Scd11/Scd22

TCM

Trellis Coded Modulation

TCTL

Transverse Conversion Transmission Loss Scd12/Scd21

TDMA

Time Division Multiple Access

TDP

Transmitter and Dispersion Penalty

TDR

Time Domain Reflectometer

THP

Tomlinson-Harashima Precoder

TIA

Telecommunications Industry Association

TLV

Type/Length/Value

TP-PMD

Twisted Pair, Physical Medium Dependent (ANSI INCITS 263)

TPS-TC

Transport Protocol Specific Transmission Convergence Sublayer

TQ

Time Quantum

TSS

Test Signal Structure

TSSI

Time Synchronization Service Interface

TWDP

Transmitter Waveform and Dispersion Penalty

UCT

Unconditional Transition

UI

Unit Interval

UJ

Uncorrelated Jitter

IEEE Std 802.3-2022

IEEE Standard for Ethernet, Section One

ULID

User Link ID

UP

Unformatted Page

UPBO

Upstream Power Backoff

UTP

Unshielded Twisted Pair

VC

Virtual Container

VDSL

Very High Speed Digital Subscriber Line

VECP

Vertical Eye Closure Penalty

VLAN

Virtual Bridged Local Area Network (see IEEE Std 802.1Q)

VTU

VDSL Transceiver Unit

VTU-O

VTU at the Central Office End

VTU-R

VTU at the Remote End

WAN

Wide Area Network

WCMB

Worst-Case Modal Bandwidth

WDM

Wavelength Division Multiplexing

WIS

WAN Interface Sublayer

WWDM

Wide Wavelength Division Multiplexing

XAUI

10 Gigabit Attachment Unit Interface

xDSL

Generic Term Covering the Family of All DSL Technologies

XGMII

10 Gigabit Media Independent Interface

XGXS

XGMII Extender Sublayer

XLAUI

40 Gb/s Attachment Unit Interface

XLGMII

40 Gb/s Media Independent Interface

XLPPI

40 Gb/s Parallel Physical Interface

xMII

Generic Media Independent Interface

XNP

Extended Next Page

XS

Extender Sublayer

XSBI

10 Gigabit Sixteen-Bit Interface

XTALK

Crosstalk