Quick Reference Guide

Reference Guide for the Model RT338 ISDN Router
4
Glossary
PPP
See Point-to-Point Protocol.
PSTN
Public Switched Telephone Network.
Password
Authentication Protocol
PAP. A method of enabling security on PPP links. When the link is
established, a password is sent by the caller. See Challenge Handshake
Authentication Protocol.
Plain Old Telephone
Service
POTS. The standard analog phone system.
Point-to-Point Protocol
PPP. A protocol allowing a computer using TCP/IP to connect directly to the
Internet.
RFC
Request For Comment. Refers to documents published by the Internet
Engineering Task Force (IETF) proposing standard protocols and procedures
for the Internet.
RIP
See Routing Information Protocol.
Routing Information
Protocol
RIP. A protocol in which routers periodically exchange information with one
another so that they can determine minimum distance paths between sources
and destinations.
S/T Interface
The four-wire ISDN interface or reference point at the user or local side of
the NT1. See also U interface.
Service Profile Identifier
SPID. A number assigned by the telephone company to an attached device,
used to identify the characteristics of that device.
SPID
See Service Profile Identifier.
subnet mask
See netmask.
U Interface
The two-wire ISDN interface or reference point at the telephone company
side of the NT1. See also S/T interface.
unnumbered links
See numbered links.
WAN
See wide area network.
wide area network
WAN. A long distance link used to extend or connect remotely located local
area networks.
Glossary.fm Page 4 Friday, October 6, 2000 5:36 PM