Nortel Networks Passport ARN Routers User Manual

Installing and Operating Passport ARN Routers

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114200-E Rev 00

CCITT

International Telegraph and Telephone Consultative 
Committee (now ITU-T)

CHAP

challenge handshake authentication protocol

CSMA/CD

carrier sense multiple access with collision detection

CSU

channel service unit

CTS

clear to send

DCD

data carrier detect

DCE

data communications equipment

DCM

Data Collection Module

DLCMI

Data Link Control Management Interface

DSR

data set ready

DSU

data service unit

DTE

data terminal equipment

DTR

data terminal ready

EIA

Electronic Industries Association

FDL

facility data link

HDLC

high-level data link control

IEEE

Institute of Electrical and Electronic Engineers

IP

Internet Protocol

ISDN

Integrated Services Digital Network

ISO

International Organization for Standardization

ITU-T

International Telecommunications 
Union–Telecommunications

LAN

local area network

LED

light-emitting diode

LQR

link quality reporting

MAU

media access unit

NBMA

nonbroadcast multi-access

NEMA

National Electrical Manufacturers Association

NVFS

nonvolatile file system