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LOSSARY
firmware
Firmware is the code which resides in the ISDN Modem and controls its behavior. It
differs from software in the form of programs that run on your computer.
IP address
An IP address is a set of numbers that uniquely identifies each device in a network.
ISDN
Integrated Services Digital Network. ISDN provides a digital telephone service
which allows both data and voice communication over the same telephone line
and at significantly faster speeds than the traditional POTs service. There are two
types of lines which provide access to ISDN, BRI and PRI.
ISP
Internet Service Provider. A business that supplies access to the Internet such as
your telephone company or AOL.
Kbps
Kilobits per second. Kbps is the rate at which data is transmitted between
communication equipment such as ISDN modems.
Layer 1
In ISDN communications, the physical layer of communication between the
communications equipment. If layer one is down, there is no ISDN connection
between the devices.
MS-CHAP
Microsoft’s proprietary version of CHAP. See also CHAP.
Multilink PPP
Multilink Point-to-Point Protocol. Multilink PPP is a protocol which provides a
method for combining multiple PPP connections. With a BRI line, Multilink PPP
aggregates the two 56 Kbps or 64 Kbps ISDN B channels, creating a virtual single
digital connection of 112 Kbps or 128 Kbps.
National ISDN
An ISDN standard that enables consistency in ISDN service features across different
vendors’ equipment and switches for North America.
NetBIOS Filtering
NetBIOS filtering is a LAN Modem feature that helps prevent the LAN Modem
from establishing unwanted calls by filtering the DNS requests made by NetBIOS
that inadvertently cause the LAN Modem to place a call. NetBIOS is a protocol
primarily used by Windows 98, 95 and NT for local file and printer sharing.
Network terminator
(NT1)
A network termination device that terminates the ISDN line.An NT1 is built into
the ISDN LAN Modem with the U interface. An NT1 is built into the ISDN LAN
Modem with the U interface (3C892).
PAP
Password Authentication Protocol. PAP is one of two PPP authentication protocols
supported by the ISDN LAN Modem; CHAP is the other. An authentication
protocol requests information to verify a valid user. PAP requests the user’s name
and password for verification.
PC/TCP
PC/TCP is a PC version of TCP/IP created by FTP software.
POTS
Plain old telephone service.
PPP
Point-to-Point Protocol. PPP provides a standard method of transmitting data
through the Internet. PPP is used for communication between a computer and an
Internet service provider.
PPTP
Point-to-Point Tunneling Protocol. A protocol that allows a workstation to
establish a secure multi-protocol connection to a remote, private network via a
locally-dialed ISP account. See also VPN.