Glossary
GL-2
March 2001
8820-A2-GN20-30
FTP
File Transfer Protocol. A TCP/IP standard protocol that allows a user on one host to access
and transfer files to and from another host over a network, provided that the client supplies
a login identifier and password to the server.
GranDSLAM
A high-density DSLAM supporting a variety of DSL transport types and network services.
HDSL
High-bit-rate Digital Subscriber Line. A technique for high bandwidth, bidirectional
transmission over copper wire for T1 and E1 services.
IDSL
ISDN DSL using 2B1Q line code.
Internet
The worldwide internetwork, which predominantly uses the TCP/IP protocol suite.
intranet
Private network that uses Internet software and Internet standards. The intranet is reserved
for use by people who have been given the authority and passwords necessary to use that
network.
IP
Internet Protocol. An open networking protocol used for internet packet delivery.
IP address
Internet Protocol address. The address assigned to an internet host.
IPC
Interworking Packet Concentrator. A device that concentrates traffic from multiple LANs
onto a high-speed WAN interface.
ISN
Interservice Network.
ISP
Internet Service Provider. A vendor who provides direct access to the Internet.
LAN
Local Area Network. A privately owned and administered data communications network
limited to a small geographic area.
MAC
Media-specific Access Control. A protocol where packets transmitted over LAN ports are
encapsulated in Ethernet II MAC frames.
MAC Address
Media Access Control Address. The unique fixed address of a piece of hardware, normally
set at the time of manufacture and used in LAN protocols.
MCC card
Management Communications Controller Card. The card in a Hotwire DSLAM system or
stack that is used primarily for monitoring and configuring the Hotwire DSLAM.
MCP
Management Communications Processor. The circuit card used to provide consolidated
management access for DSL cards in a DSLAM.
MIB
Management Information Base. A database of managed objects used by SNMP to provide
network management information and device control.
MVL
Multiple Virtual Lines. MVL technology transforms a single copper pair into multiple virtual
lines to support multiple services simultaneously. All references to DSL cards refer to both
DSL and MVL cards, unless specifically noted.
NAP
Network Access Provider. The provider of the physical network that permits connection of
service subscribers to NSPs.
NAS
Network Access Server.
NEBS
Network Equipment-Building System. A set of requirements for the reliability and usability of
equipment, established by Bellcore.
OCn
Optical Carrier level
n signal. The fundamental transmission rate for SONET. OC3
represents a transmission rate of about 155 Mbps.
OpenLane
A standards-based network management system providing diagnostics, real-time
performance monitoring, historical reports, and health and status indications for Paradyne
SNMP-managed devices.
